Nitrogen Fixation: The process in certain BACTERIA; FUNGI; and CYANOBACTERIA converting free atmospheric NITROGEN to biologically usable forms of nitrogen, such as AMMONIA; NITRATES; and amino compounds.Nitrogen Isotopes: Stable nitrogen atoms that have the same atomic number as the element nitrogen, but differ in atomic weight. N-15 is a stable nitrogen isotope.Nitrogen Compounds: Inorganic compounds that contain nitrogen as an integral part of the molecule.Nitrogen Cycle: The circulation of nitrogen in nature, consisting of a cycle of biochemical reactions in which atmospheric nitrogen is compounded, dissolved in rain, and deposited in the soil, where it is assimilated and metabolized by bacteria and plants, eventually returning to the atmosphere by bacterial decomposition of organic matter.Blood Urea Nitrogen: The urea concentration of the blood stated in terms of nitrogen content. Serum (plasma) urea nitrogen is approximately 12% higher than blood urea nitrogen concentration because of the greater protein content of red blood cells. Increases in blood or serum urea nitrogen are referred to as azotemia and may have prerenal, renal, or postrenal causes. (From Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984)Nitrogen Dioxide: Nitrogen oxide (NO2). A highly poisonous gas. Exposure produces inflammation of lungs that may only cause slight pain or pass unnoticed, but resulting edema several days later may cause death. (From Merck, 11th ed) It is a major atmospheric pollutant that is able to absorb UV light that does not reach the earth's surface.Reactive Nitrogen Species: Nitrogenous products of NITRIC OXIDE synthases, ranging from NITRIC OXIDE to NITRATES. These reactive nitrogen intermediates also include the inorganic PEROXYNITROUS ACID and the organic S-NITROSOTHIOLS.Nitrogen Oxides: Inorganic oxides that contain nitrogen.PII Nitrogen Regulatory Proteins: A family of signal transducing adaptor proteins that control the METABOLISM of NITROGEN. They are primarily found in prokaryotes.Carbon: A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight [12.0096; 12.0116]. It may occur as several different allotropes including DIAMOND; CHARCOAL; and GRAPHITE; and as SOOT from incompletely burned fuel.Ammonia: A colorless alkaline gas. It is formed in the body during decomposition of organic materials during a large number of metabolically important reactions. Note that the aqueous form of ammonia is referred to as AMMONIUM HYDROXIDE.Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical.Fertilizers: Substances or mixtures that are added to the soil to supply nutrients or to make available nutrients already present in the soil, in order to increase plant growth and productivity.Quaternary Ammonium Compounds: Derivatives of ammonium compounds, NH4+ Y-, in which all four of the hydrogens bonded to nitrogen have been replaced with hydrocarbyl groups. These are distinguished from IMINES which are RN=CR2.Glutamate-Ammonia Ligase: An enzyme that catalyzes the conversion of ATP, L-glutamate, and NH3 to ADP, orthophosphate, and L-glutamine. It also acts more slowly on 4-methylene-L-glutamate. (From Enzyme Nomenclature, 1992) EC 6.3.1.2.Urea: A compound formed in the liver from ammonia produced by the deamination of amino acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids.Soil: The unconsolidated mineral or organic matter on the surface of the earth that serves as a natural medium for the growth of land plants.Nitrogen Mustard Compounds: A group of alkylating agents derived from mustard gas, with the sulfur replaced by nitrogen. They were formerly used as toxicants and vesicants, but now function as antineoplastic agents. These compounds are also powerful mutagens, teratogens, immunosuppressants, and carcinogens.Nitrogenase: An enzyme system that catalyzes the fixing of nitrogen in soil bacteria and blue-green algae (CYANOBACTERIA). EC 1.18.6.1.Symbiosis: The relationship between two different species of organisms that are interdependent; each gains benefits from the other or a relationship between different species where both of the organisms in question benefit from the presence of the other.Amino Acids: Organic compounds that generally contain an amino (-NH2) and a carboxyl (-COOH) group. Twenty alpha-amino acids are the subunits which are polymerized to form proteins.Biomass: Total mass of all the organisms of a given type and/or in a given area. (From Concise Dictionary of Biology, 1990) It includes the yield of vegetative mass produced from any given crop.Plant Roots: The usually underground portions of a plant that serve as support, store food, and through which water and mineral nutrients enter the plant. (From American Heritage Dictionary, 1982; Concise Dictionary of Biology, 1990)Glutamine: A non-essential amino acid present abundantly throughout the body and is involved in many metabolic processes. It is synthesized from GLUTAMIC ACID and AMMONIA. It is the principal carrier of NITROGEN in the body and is an important energy source for many cells.AcetylenePlant Leaves: Expanded structures, usually green, of vascular plants, characteristically consisting of a bladelike expansion attached to a stem, and functioning as the principal organ of photosynthesis and transpiration. (American Heritage Dictionary, 2d ed)Digestion: The process of breakdown of food for metabolism and use by the body.Bacterial Proteins: Proteins found in any species of bacterium.Ammonium Compounds: Inorganic compounds that include a positively charged tetrahedral nitrogen (ammonium ion) as part of their structure. This class of compounds includes a broad variety of simple ammonium salts and derivatives.Glutamate Synthase: An enzyme that catalyzes the formation of 2 molecules of glutamate from glutamine plus alpha-ketoglutarate in the presence of NADPH. EC 1.4.1.13.Gene Expression Regulation, Bacterial: Any of the processes by which cytoplasmic or intercellular factors influence the differential control of gene action in bacteria.Allantoin: A urea hydantoin that is found in URINE and PLANTS and is used in dermatological preparations.Nitrites: Salts of nitrous acid or compounds containing the group NO2-. The inorganic nitrites of the type MNO2 (where M=metal) are all insoluble, except the alkali nitrites. The organic nitrites may be isomeric, but not identical with the corresponding nitro compounds. (Grant & Hackh's Chemical Dictionary, 5th ed)Phosphorus: A non-metal element that has the atomic symbol P, atomic number 15, and atomic weight 31. It is an essential element that takes part in a broad variety of biochemical reactions.Culture Media: Any liquid or solid preparation made specifically for the growth, storage, or transport of microorganisms or other types of cells. The variety of media that exist allow for the culturing of specific microorganisms and cell types, such as differential media, selective media, test media, and defined media. Solid media consist of liquid media that have been solidified with an agent such as AGAR or GELATIN.Molecular Sequence Data: Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.Root Nodules, Plant: Knobbed structures formed from and attached to plant roots, especially of LEGUMES, which result from symbiotic infection by nitrogen fixing bacteria such as RHIZOBIUM or FRANKIA. Root nodules are structures related to MYCORRHIZAE formed by symbiotic associations with fungi.Nitrate Reductase: An enzyme that catalyzes the oxidation of nitrite to nitrate. It is a cytochrome protein that contains IRON and MOLYBDENUM.Denitrification: Nitrate reduction process generally mediated by anaerobic bacteria by which nitrogen available to plants is converted to a gaseous form and lost from the soil or water column. It is a part of the nitrogen cycle.Poaceae: A large family of narrow-leaved herbaceous grasses of the order Cyperales, subclass Commelinidae, class Liliopsida (monocotyledons). Food grains (EDIBLE GRAIN) come from members of this family. RHINITIS, ALLERGIC, SEASONAL can be induced by POLLEN of many of the grasses.Photosynthesis: The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide using energy obtained from light rather than from the oxidation of chemical compounds. Photosynthesis comprises two separate processes: the light reactions and the dark reactions. In higher plants; GREEN ALGAE; and CYANOBACTERIA; NADPH and ATP formed by the light reactions drive the dark reactions which result in the fixation of carbon dioxide. (from Oxford Dictionary of Biochemistry and Molecular Biology, 2001)Cyanobacteria: A phylum of oxygenic photosynthetic bacteria comprised of unicellular to multicellular bacteria possessing CHLOROPHYLL a and carrying out oxygenic PHOTOSYNTHESIS. Cyanobacteria are the only known organisms capable of fixing both CARBON DIOXIDE (in the presence of light) and NITROGEN. Cell morphology can include nitrogen-fixing heterocysts and/or resting cells called akinetes. Formerly called blue-green algae, cyanobacteria were traditionally treated as ALGAE.Ecosystem: A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)Animal Feed: Foodstuff used especially for domestic and laboratory animals, or livestock.Genes, Bacterial: The functional hereditary units of BACTERIA.Oxidation-Reduction: A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471).Medicago sativa: A plant species of the family FABACEAE widely cultivated for ANIMAL FEED.Ketoglutaric Acids: A family of compounds containing an oxo group with the general structure of 1,5-pentanedioic acid. (From Lehninger, Principles of Biochemistry, 1982, p442)Bacteria: One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive.Fermentation: Anaerobic degradation of GLUCOSE or other organic nutrients to gain energy in the form of ATP. End products vary depending on organisms, substrates, and enzymatic pathways. Common fermentation products include ETHANOL and LACTIC ACID.Soil Microbiology: The presence of bacteria, viruses, and fungi in the soil. This term is not restricted to pathogenic organisms.Nutritional Requirements: The amounts of various substances in food needed by an organism to sustain healthy life.Rhizobium: A genus of gram-negative, aerobic, rod-shaped bacteria that activate PLANT ROOT NODULATION in leguminous plants. Members of this genus are nitrogen-fixing and common soil inhabitants.Glutamate Dehydrogenase: An enzyme that catalyzes the conversion of L-glutamate and water to 2-oxoglutarate and NH3 in the presence of NAD+. (From Enzyme Nomenclature, 1992) EC 1.4.1.2.GATA Transcription Factors: A family of transcription factors that contain two ZINC FINGER MOTIFS and bind to the DNA sequence (A/T)GATA(A/G).Sinorhizobium meliloti: A species of gram-negative, aerobic bacteria that causes formation of root nodules on some, but not all, types of sweet clover, MEDICAGO SATIVA, and fenugreek.Soybeans: An annual legume. The SEEDS of this plant are edible and used to produce a variety of SOY FOODS.Air Pollutants: Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or material. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS.Carbon Dioxide: A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals.Rumen: The first stomach of ruminants. It lies on the left side of the body, occupying the whole of the left side of the abdomen and even stretching across the median plane of the body to the right side. It is capacious, divided into an upper and a lower sac, each of which has a blind sac at its posterior extremity. The rumen is lined by mucous membrane containing no digestive glands, but mucus-secreting glands are present in large numbers. Coarse, partially chewed food is stored and churned in the rumen until the animal finds circumstances convenient for rumination. When this occurs, little balls of food are regurgitated through the esophagus into the mouth, and are subjected to a second more thorough mastication, swallowed, and passed on into other parts of the compound stomach. (From Black's Veterinary Dictionary, 17th ed)Mutation: Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations.Gene Expression Regulation, Fungal: Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in fungi.Trees: Woody, usually tall, perennial higher plants (Angiosperms, Gymnosperms, and some Pterophyta) having usually a main stem and numerous branches.Agriculture: The science, art or practice of cultivating soil, producing crops, and raising livestock.Sulfur: An element that is a member of the chalcogen family. It has an atomic symbol S, atomic number 16, and atomic weight [32.059; 32.076]. It is found in the amino acids cysteine and methionine.Plant Shoots: New immature growth of a plant including stem, leaves, tips of branches, and SEEDLINGS.Nitrification: A process facilitated by specialized bacteria involving the oxidation of ammonium to nitrite and nitrate.Hydrogen-Ion Concentration: The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH = log 1/2[1/(H+)], where (H+) is the hydrogen ion concentration in gram equivalents per liter of solution. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Manure: Accumulations of solid or liquid animal excreta usually from stables and barnyards with or without litter material. Its chief application is as a fertilizer. (From Webster's 3d ed)Energy Metabolism: The chemical reactions involved in the production and utilization of various forms of energy in cells.Fabaceae: The large family of plants characterized by pods. Some are edible and some cause LATHYRISM or FAVISM and other forms of poisoning. Other species yield useful materials like gums from ACACIA and various LECTINS like PHYTOHEMAGGLUTININS from PHASEOLUS. Many of them harbor NITROGEN FIXATION bacteria on their roots. Many but not all species of "beans" belong to this family.Parenteral Nutrition, Total: The delivery of nutrients for assimilation and utilization by a patient whose sole source of nutrients is via solutions administered intravenously, subcutaneously, or by some other non-alimentary route. The basic components of TPN solutions are protein hydrolysates or free amino acid mixtures, monosaccharides, and electrolytes. Components are selected for their ability to reverse catabolism, promote anabolism, and build structural proteins.Freezing: Liquids transforming into solids by the removal of heat.Atmosphere: The gaseous envelope surrounding a planet or similar body. (From Random House Unabridged Dictionary, 2d ed)Nitrate Reductases: Oxidoreductases that are specific for the reduction of NITRATES.Air Pollution: The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS.Glutamate Synthase (NADH): A FLAVOPROTEIN enzyme for AMMONIA assimilation in BACTERIA, microorganisms and PLANTS. It catalyzes the oxidation of 2 molecules of L-GLUTAMATE to generate L-GLUTAMINE and 2-oxoglutarate in the presence of NAD+.Body Weight: The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.Plants: Multicellular, eukaryotic life forms of kingdom Plantae (sensu lato), comprising the VIRIDIPLANTAE; RHODOPHYTA; and GLAUCOPHYTA; all of which acquired chloroplasts by direct endosymbiosis of CYANOBACTERIA. They are characterized by a mainly photosynthetic mode of nutrition; essentially unlimited growth at localized regions of cell divisions (MERISTEMS); cellulose within cells providing rigidity; the absence of organs of locomotion; absence of nervous and sensory systems; and an alternation of haploid and diploid generations.Diet: Regular course of eating and drinking adopted by a person or animal.Base Sequence: The sequence of PURINES and PYRIMIDINES in nucleic acids and polynucleotides. It is also called nucleotide sequence.Gases: The vapor state of matter; nonelastic fluids in which the molecules are in free movement and their mean positions far apart. Gases tend to expand indefinitely, to diffuse and mix readily with other gases, to have definite relations of volume, temperature, and pressure, and to condense or liquefy at low temperatures or under sufficient pressure. (Grant & Hackh's Chemical Dictionary, 5th ed)Zea mays: A plant species of the family POACEAE. It is a tall grass grown for its EDIBLE GRAIN, corn, used as food and animal FODDER.Amino Acids, Essential: Amino acids that are not synthesized by the human body in amounts sufficient to carry out physiological functions. They are obtained from dietary foodstuffs.Parenteral Nutrition: The administering of nutrients for assimilation and utilization by a patient who cannot maintain adequate nutrition by enteral feeding alone. Nutrients are administered by a route other than the alimentary canal (e.g., intravenously, subcutaneously).Environmental Monitoring: The monitoring of the level of toxins, chemical pollutants, microbial contaminants, or other harmful substances in the environment (soil, air, and water), workplace, or in the bodies of people and animals present in that environment.Panicum: A plant genus of the family POACEAE. The seed is one of the EDIBLE GRAINS used in millet cereals and in feed for birds and livestock (ANIMAL FEED). It contains diosgenin (SAPONINS).Ammonium Chloride: An acidifying agent that has expectorant and diuretic effects. Also used in etching and batteries and as a flux in electroplating.Azotobacter: A genus of gram-negative, aerobic bacteria found in soil and water. Its organisms occur singly, in pairs or irregular clumps, and sometimes in chains of varying lengths.Oxygen: An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Oxidoreductases: The class of all enzymes catalyzing oxidoreduction reactions. The substrate that is oxidized is regarded as a hydrogen donor. The systematic name is based on donor:acceptor oxidoreductase. The recommended name will be dehydrogenase, wherever this is possible; as an alternative, reductase can be used. Oxidase is only used in cases where O2 is the acceptor. (Enzyme Nomenclature, 1992, p9)Nitric Oxide: A free radical gas produced endogenously by a variety of mammalian cells, synthesized from ARGININE by NITRIC OXIDE SYNTHASE. Nitric oxide is one of the ENDOTHELIUM-DEPENDENT RELAXING FACTORS released by the vascular endothelium and mediates VASODILATION. It also inhibits platelet aggregation, induces disaggregation of aggregated platelets, and inhibits platelet adhesion to the vascular endothelium. Nitric oxide activates cytosolic GUANYLATE CYCLASE and thus elevates intracellular levels of CYCLIC GMP.Nitrous Oxide: Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.Models, Biological: Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.Plant Proteins: Proteins found in plants (flowers, herbs, shrubs, trees, etc.). The concept does not include proteins found in vegetables for which VEGETABLE PROTEINS is available.Seawater: The salinated water of OCEANS AND SEAS that provides habitat for marine organisms.Crops, Agricultural: Cultivated plants or agricultural produce such as grain, vegetables, or fruit. (From American Heritage Dictionary, 1982)Ozone: The unstable triatomic form of oxygen, O3. It is a powerful oxidant that is produced for various chemical and industrial uses. Its production is also catalyzed in the ATMOSPHERE by ULTRAVIOLET RAY irradiation of oxygen or other ozone precursors such as VOLATILE ORGANIC COMPOUNDS and NITROGEN OXIDES. About 90% of the ozone in the atmosphere exists in the stratosphere (STRATOSPHERIC OZONE).Feces: Excrement from the INTESTINES, containing unabsorbed solids, waste products, secretions, and BACTERIA of the DIGESTIVE SYSTEM.Saccharomyces cerevisiae: A species of the genus SACCHAROMYCES, family Saccharomycetaceae, order Saccharomycetales, known as "baker's" or "brewer's" yeast. The dried form is used as a dietary supplement.Glutamate Dehydrogenase (NADP+)Kinetics: The rate dynamics in chemical or physical systems.Klebsiella pneumoniae: Gram-negative, non-motile, capsulated, gas-producing rods found widely in nature and associated with urinary and respiratory infections in humans.Methylhistidines: Histidine substituted in any position with one or more methyl groups.Sulfur Dioxide: A highly toxic, colorless, nonflammable gas. It is used as a pharmaceutical aid and antioxidant. It is also an environmental air pollutant.Rhizobiaceae: A family of gram-negative bacteria which are saprophytes, symbionts, or plant pathogens.Biodegradation, Environmental: Elimination of ENVIRONMENTAL POLLUTANTS; PESTICIDES and other waste using living organisms, usually involving intervention of environmental or sanitation engineers.Caseins: A mixture of related phosphoproteins occurring in milk and cheese. The group is characterized as one of the most nutritive milk proteins, containing all of the common amino acids and rich in the essential ones.Amino Acid Sequence: The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION.Animal Nutritional Physiological Phenomena: Nutritional physiology of animals.Phylogeny: The relationships of groups of organisms as reflected by their genetic makeup.Temperature: The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.Peroxynitrous Acid: A potent oxidant synthesized by the cell during its normal metabolism. Peroxynitrite is formed from the reaction of two free radicals, NITRIC OXIDE and the superoxide anion (SUPEROXIDES).Carbon Isotopes: Stable carbon atoms that have the same atomic number as the element carbon, but differ in atomic weight. C-13 is a stable carbon isotope.Random Allocation: A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects.Plant Development: Processes orchestrated or driven by a plethora of genes, plant hormones, and inherent biological timing mechanisms facilitated by secondary molecules, which result in the systematic transformation of plants and plant parts, from one stage of maturity to another.Nutritive Value: An indication of the contribution of a food to the nutrient content of the diet. This value depends on the quantity of a food which is digested and absorbed and the amounts of the essential nutrients (protein, fat, carbohydrate, minerals, vitamins) which it contains. This value can be affected by soil and growing conditions, handling and storage, and processing.Water: A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Abomasum: The fourth stomach of ruminating animals. It is also called the "true" stomach. It is an elongated pear-shaped sac lying on the floor of the abdomen, on the right-hand side, and roughly between the seventh and twelfth ribs. It leads to the beginning of the small intestine. (From Black's Veterinary Dictionary, 17th ed)CreatinineAnaerobiosis: The complete absence, or (loosely) the paucity, of gaseous or dissolved elemental oxygen in a given place or environment. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)Energy Intake: Total number of calories taken in daily whether ingested or by parenteral routes.Arginine: An essential amino acid that is physiologically active in the L-form.DNA, Bacterial: Deoxyribonucleic acid that makes up the genetic material of bacteria.Cattle: Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor.Food, Formulated: Food and dietary formulations including elemental (chemically defined formula) diets, synthetic and semisynthetic diets, space diets, weight-reduction formulas, tube-feeding diets, complete liquid diets, and supplemental liquid and solid diets.Fungal Proteins: Proteins found in any species of fungus.Plant Root Nodulation: The formation of a nitrogen-fixing cell mass on PLANT ROOTS following symbiotic infection by nitrogen-fixing bacteria such as RHIZOBIUM or FRANKIA.Nitrite Reductases: A group of enzymes that oxidize diverse nitrogenous substances to yield nitrite. (Enzyme Nomenclature, 1992) EC 1.Ammonium Sulfate: Sulfuric acid diammonium salt. It is used in CHEMICAL FRACTIONATION of proteins.Escherichia coli: A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc.Lotus: A plant genus of the family FABACEAE. This genus was formerly known as Tetragonolobus. The common name of lotus is also used for NYMPHAEA and NELUMBO.Histidine Ammonia-Lyase: An enzyme that catalyzes the first step of histidine catabolism, forming UROCANIC ACID and AMMONIA from HISTIDINE. Deficiency of this enzyme is associated with elevated levels of serum histidine and is called histidinemia (AMINO ACID METABOLISM, INBORN ERRORS).Species Specificity: The restriction of a characteristic behavior, anatomical structure or physical system, such as immune response; metabolic response, or gene or gene variant to the members of one species. It refers to that property which differentiates one species from another but it is also used for phylogenetic levels higher or lower than the species.Cryopreservation: Preservation of cells, tissues, organs, or embryos by freezing. In histological preparations, cryopreservation or cryofixation is used to maintain the existing form, structure, and chemical composition of all the constituent elements of the specimens.Transcription Factors: Endogenous substances, usually proteins, which are effective in the initiation, stimulation, or termination of the genetic transcription process.Metabolic Networks and Pathways: Complex sets of enzymatic reactions connected to each other via their product and substrate metabolites.Carbohydrate Metabolism: Cellular processes in biosynthesis (anabolism) and degradation (catabolism) of CARBOHYDRATES.Aerobiosis: Life or metabolic reactions occurring in an environment containing oxygen.Potassium Compounds: Inorganic compounds that contain potassium as an integral part of the molecule.Enzyme Repression: The interference in synthesis of an enzyme due to the elevated level of an effector substance, usually a metabolite, whose presence would cause depression of the gene responsible for enzyme synthesis.Gene Expression Regulation, Plant: Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control of gene action in plants.Waste Water: Contaminated water generated as a waste product of human activity.Triticum: A plant genus of the family POACEAE that is the source of EDIBLE GRAIN. A hybrid with rye (SECALE CEREALE) is called TRITICALE. The seed is ground into FLOUR and used to make BREAD, and is the source of WHEAT GERM AGGLUTININS.Helium: Helium. A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. Medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics. (Dorland, 27th ed)Urease: An enzyme that catalyzes the conversion of urea and water to carbon dioxide and ammonia. EC 3.5.1.5.Medicago truncatula: A plant species of the family FABACEAE used to study GENETICS because it is DIPLOID, self fertile, has a small genome, and short generation time.Fresh Water: Water containing no significant amounts of salts, such as water from RIVERS and LAKES.Glutamates: Derivatives of GLUTAMIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the 2-aminopentanedioic acid structure.Sarraceniaceae: A plant family of the order Nepenthales.Sequence Analysis, DNA: A multistage process that includes cloning, physical mapping, subcloning, determination of the DNA SEQUENCE, and information analysis.Glucose: A primary source of energy for living organisms. It is naturally occurring and is found in fruits and other parts of plants in its free state. It is used therapeutically in fluid and nutrient replacement.Microalgae: A non-taxonomic term for unicellular microscopic algae which are found in both freshwater and marine environments. Some authors consider DIATOMS; CYANOBACTERIA; HAPTOPHYTA; and DINOFLAGELLATES as part of microalgae, even though they are not algae.Rhizobium leguminosarum: A species of gram-negative, aerobic bacteria that is found in soil and which causes formation of root nodules on some, but not all, types of field pea, lentil, kidney bean, and clover.Plant Stems: Parts of plants that usually grow vertically upwards towards the light and support the leaves, buds, and reproductive structures. (From Concise Dictionary of Biology, 1990)Preservation, Biological: The process of protecting various samples of biological material.Reactive Oxygen Species: Molecules or ions formed by the incomplete one-electron reduction of oxygen. These reactive oxygen intermediates include SINGLET OXYGEN; SUPEROXIDES; PEROXIDES; HYDROXYL RADICAL; and HYPOCHLOROUS ACID. They contribute to the microbicidal activity of PHAGOCYTES, regulation of signal transduction and gene expression, and the oxidative damage to NUCLEIC ACIDS; PROTEINS; and LIPIDS.Carbon Cycle: The cycle by which the element carbon is exchanged between organic matter and the earth's physical environment.Seasons: Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Operon: In bacteria, a group of metabolically related genes, with a common promoter, whose transcription into a single polycistronic MESSENGER RNA is under the control of an OPERATOR REGION.Eutrophication: The enrichment of a terrestrial or aquatic ECOSYSTEM by the addition of nutrients, especially nitrogen and phosphorus, that results in a superabundant growth of plants, ALGAE, or other primary producers. It can be a natural process or result from human activity such as agriculture runoff or sewage pollution. In aquatic ecosystems, an increase in the algae population is termed an algal bloom.Genes, Fungal: The functional hereditary units of FUNGI.Bradyrhizobium: A genus of gram-negative, aerobic, rod-shaped bacteria usually containing granules of poly-beta-hydroxybutyrate. They characteristically invade the root hairs of leguminous plants and act as intracellular symbionts.Oxidants, Photochemical: Compounds that accept electrons in an oxidation-reduction reaction. The reaction is induced by or accelerated by exposure to electromagnetic radiation in the spectrum of visible or ultraviolet light.Vehicle Emissions: Gases, fumes, vapors, and odors escaping from the cylinders of a gasoline or diesel internal-combustion engine. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Random House Unabridged Dictionary, 2d ed)Leucine: An essential branched-chain amino acid important for hemoglobin formation.Swine: Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA).Azotobacter vinelandii: A species of gram-negative, aerobic bacteria first isolated from soil in Vineland, New Jersey. Ammonium and nitrate are used as nitrogen sources by this bacterium. It is distinguished from other members of its genus by the ability to use rhamnose as a carbon source. (From Bergey's Manual of Determinative Bacteriology, 9th ed)Proline: A non-essential amino acid that is synthesized from GLUTAMIC ACID. It is an essential component of COLLAGEN and is important for proper functioning of joints and tendons.Bioreactors: Tools or devices for generating products using the synthetic or chemical conversion capacity of a biological system. They can be classical fermentors, cell culture perfusion systems, or enzyme bioreactors. For production of proteins or enzymes, recombinant microorganisms such as bacteria, mammalian cells, or insect or plant cells are usually chosen.Light: That portion of the electromagnetic spectrum in the visible, ultraviolet, and infrared range.Transcription, Genetic: The biosynthesis of RNA carried out on a template of DNA. The biosynthesis of DNA from an RNA template is called REVERSE TRANSCRIPTION.Tropical Climate: A climate which is typical of equatorial and tropical regions, i.e., one with continually high temperatures with considerable precipitation, at least during part of the year. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Methionine SulfoximineChlorophyll: Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.Mycorrhizae: Symbiotic combination (dual organism) of the MYCELIUM of FUNGI with the roots of plants (PLANT ROOTS). The roots of almost all higher plants exhibit this mutually beneficial relationship, whereby the fungus supplies water and mineral salts to the plant, and the plant supplies CARBOHYDRATES to the fungus. There are two major types of mycorrhizae: ectomycorrhizae and endomycorrhizae.Eating: The consumption of edible substances.Sheep: Any of the ruminant mammals with curved horns in the genus Ovis, family Bovidae. They possess lachrymal grooves and interdigital glands, which are absent in GOATS.Dietary Fiber: The remnants of plant cell walls that are resistant to digestion by the alimentary enzymes of man. It comprises various polysaccharides and lignins.Alanine Dehydrogenase: An NAD-dependent enzyme that catalyzes the reversible DEAMINATION of L-ALANINE to PYRUVATE and AMMONIA. The enzyme is needed for growth when ALANINE is the sole CARBON or NITROGEN source. It may also play a role in CELL WALL synthesis because L-ALANINE is an important constituent of the PEPTIDOGLYCAN layer.Phaseolus: A plant genus in the family FABACEAE which is the source of edible beans and the lectin PHYTOHEMAGGLUTININS.Inert Gas Narcosis: Progressive mental disturbances and unconsciousness due to breathing mixtures of oxygen and inert gases (argon, helium, xenon, krypton, and atmospheric nitrogen) at high pressure.Molecular Structure: The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.Aspergillus nidulans: A species of imperfect fungi from which the antibiotic nidulin is obtained. Its teleomorph is Emericella nidulans.Methane: The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed)Cloning, Molecular: The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells.Genetic Complementation Test: A test used to determine whether or not complementation (compensation in the form of dominance) will occur in a cell with a given mutant phenotype when another mutant genome, encoding the same mutant phenotype, is introduced into that cell.Water Pollutants, Chemical: Chemical compounds which pollute the water of rivers, streams, lakes, the sea, reservoirs, or other bodies of water.Leghemoglobin: A hemoglobin-like oxygen-binding hemeprotein present in the nitrogen-fixing root nodules of leguminous plants. The red pigment has a molecular weight approximately 1/4 that of hemoglobin and has been suggested to act as an oxido-reduction catalyst in symbiotic nitrogen fixation.Transaminases: A subclass of enzymes of the transferase class that catalyze the transfer of an amino group from a donor (generally an amino acid) to an acceptor (generally a 2-keto acid). Most of these enzymes are pyridoxyl phosphate proteins. (Dorland, 28th ed) EC 2.6.1.Geologic Sediments: A mass of organic or inorganic solid fragmented material, or the solid fragment itself, that comes from the weathering of rock and is carried by, suspended in, or dropped by air, water, or ice. It refers also to a mass that is accumulated by any other natural agent and that forms in layers on the earth's surface, such as sand, gravel, silt, mud, fill, or loess. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed, p1689)Asparagine: A non-essential amino acid that is involved in the metabolic control of cell functions in nerve and brain tissue. It is biosynthesized from ASPARTIC ACID and AMMONIA by asparagine synthetase. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed)Oryza sativa: Annual cereal grass of the family POACEAE and its edible starchy grain, rice, which is the staple food of roughly one-half of the world's population.Rivers: Large natural streams of FRESH WATER formed by converging tributaries and which empty into a body of water (lake or ocean).Minerals: Native, inorganic or fossilized organic substances having a definite chemical composition and formed by inorganic reactions. They may occur as individual crystals or may be disseminated in some other mineral or rock. (Grant & Hackh's Chemical Dictionary, 5th ed; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Amino Acid Transport Systems: Cellular proteins and protein complexes that transport amino acids across biological membranes.Starch: Any of a group of polysaccharides of the general formula (C6-H10-O5)n, composed of a long-chain polymer of glucose in the form of amylose and amylopectin. It is the chief storage form of energy reserve (carbohydrates) in plants.Saccharomyces cerevisiae Proteins: Proteins obtained from the species SACCHAROMYCES CEREVISIAE. The function of specific proteins from this organism are the subject of intense scientific interest and have been used to derive basic understanding of the functioning similar proteins in higher eukaryotes.Biological Transport: The movement of materials (including biochemical substances and drugs) through a biological system at the cellular level. The transport can be across cell membranes and epithelial layers. It also can occur within intracellular compartments and extracellular compartments.Phenotype: The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment.

*  writing as jo(e): Nitrogen derivatives and index cards
During an earlier break, I showed him the project I am working on. I've got hundreds of pieces of creative non-fiction, and I am trying to put them all together into a book. So what I've done is write an index card for each piece of writing, and now I am organizing the hundreds of index cards into a structure that makes sense to me. Once I have the index cards in order, I'll be able to work on the manuscript one chapter at a time. I've already agreed to present one chapter of the manuscript at ......
http://writingasjoe.blogspot.com/2007/04/nitrogen-derivatives-and-index-cards.html
*  SDSU: Nitrogen practices for corn - townnews-aberdeennews
ÐSouth Dakota State University has released a fact sheet discussing nitrogen best ... "Nitrogen Best Management Practices for Corn in South Dakota" was supported in part by the ... Increased nitrogen fertilizer costs and the potential impact to water quality make it ... The SDSU publication discusses basic principles of nitrogen and how it relates to corn ......
http://articles.aberdeennews.com/2008-03-14/news/26431847_1_nitrogen-fertilizer-costs-corn-professor
*  Cherry Comet - Instant Icecreams using Liquid Nitrogen
Liquid Nitrogen has a boiling point of -196 degrees celsius. Making it the perfect ......
http://cherrycomet.com
*  Scientist Russ Brinsfield holds wheat seed - Daily Press
... to keep nitrogen from running into the Chesapeake Bay. ... to keep nitrogen from running into the Chesapeake Bay. (Sun photo by Perry Thorsvik) ... to keep nitrogen from running into the Chesapeake Bay. ... to keep nitrogen from running into the Chesapeake Bay. ......
http://dailypress.com/bal-nitrogen-photo5-photo.html
*  nitrogen-doped carbon containing an embedded network of carbon nanotubes
Page contains details about nitrogen-doped carbon containing an embedded network of ... nitrogen-doped carbon containing an embedded network of carbon nanotubes. Based on. 1 ......
http://nano.nature.com/nano/GR-M6630810
*  Chevrolet Sonic Nitrogen Filled Tires at Family Deal Near Holt, MI 48842
MI 48842 sells nitrogen filled tires for the Chevrolet Sonic at affordable prices. ... Chevrolet Sonic Nitrogen Filled Tires at Family Deal Near Holt, MI 48842. When you hit ... Putting nitrogen in your tires isn't a decision you should take lightly and we want you ... Nitrogen filled tires could add some performance and life to your tires. You might notice ......
http://familydeal.com/article/chevrolet-sonic-nitrogen-filled-tires-Holt-MI-48842-family-deal/29,0,48842,12,1043/
*  Contagion facts, information, pictures | Encyclopedia.com articles about...
... nitrogen •burgeon, sturgeon, surgeon ......
http://encyclopedia.com/social-sciences-and-law/sociology-and-social-reform/sociology-general-terms-and-concepts/contagion
*  Go to What can be done about badly depleted nitrogen levels in Africa's soil?.
Nitrogen: the good and the bad. Nitrogen can be added to the soil via synthetic ... More nitrogen is going into the crops and less as pollution. Consequently, both nitrogen ... Where will this nitrogen come from?. African soils have been mined for their nutrients ... Nitrogen is a vital nutrient for healthy soils and healthy people. To feed its growing ......
http://blog.bioecodev.org/what-can-be-done-about-badly-depleted-nitrogen-levels-in-africas-soil/
*  Pea cultivar and wheat residues affect carbon/nitrogen dynamics in pea...
Pea cultivar and wheat residues affect carbon/nitrogen dynamics in pea-triticale ......
http://openaccess.sruc.ac.uk/handle/11262/11237
*  Greenland Glaciers Lose Enough Ice to Fill Lake Erie, Study Says - Yale E360
The Nitrogen Problem: Why Global Warming Is Making It Worse * E360 Video Contest Winners ......
http://e360.yale.edu/digest/greenland_glaciers_lose_enough_ice_to_fill_lake_erie_study_says
*  MSU News - Lecture on biological nitrogen fixation set for Feb. 23 at MSU
... Directories A-Z Index. University Communications. MSU News Lecture on biological nitrogen fixation set for Feb. 23 at MSU February 9, 2011 -- MSU News Service. Subscribe to MSU Newsletters E-mail:. Bobcat Bulletin Bobcat Bulletin is a weekly e-newsletter designed to bring the most recent and relevant news about Montana State University directly to friends and neighbors via email. Visit Bobcat Bulletin. MSU Today MSU Today e-mail brings you news and events on campus thrice weekly during the academic year. Visit the MSU Today calendar. Subscribe. Recent News Fifth Annual Cat Walk set for Aug. 22. Open house at MSU’s Brick Breeden Fieldhouse set for Aug. 20. MSU suggests routes to help students navigate one-way streets during move-in period. MSU earns top Montana spot in global ranking. Online course helps parents, professionals assist traumatized children. MSU News Service Tel: 406 994-4571 msunews@montana.edu. BOZEMAN -- A free public lecture about biological nitrogen fixation will be given on Wednesday, ...
http://montana.edu/news/9458/lecture-on-biological-nitrogen-fixation-set-for-feb-23-at-msu
*  WQ261 Nitrogen in the Environment: Nitrogen Fixation | University of Missouri Extension
University of Missouri Extension WQ261, Reviewed October 1993 Nitrogen in the Environment: Nitrogen Fixation Scott C. Killpack and Daryl Buchholz Department of Agronomy Nitrogen can be found in many forms in our environment. Nitrogen is also very important for plants to live. The earth's atmosphere is made up of 78 percent nitrogen in the form of a colorless, odorless, nontoxic gas. The same nitrogen gas found in the atmosphere can be found in spaces between soil particles. However, plants are unable to use this form of nitrogen. Certain microorganisms found in the soil are able to convert atmospheric nitrogen into forms plants can use. This is called biological nitrogen fixation. Types of nitrogen fixation In addition to biological fixation that takes place by microorganisms in the soil, fixation can also take place chemically. An example of this is in the fertilizer industry where atmospheric nitrogen N 2 can be combined with hydrogen H + to make anhydrous ammonia NH 3 and other nitrogen fertilizer prod...
http://extension.missouri.edu/publications/DisplayPrinterFriendlyPub.aspx?P=WQ261
*  Nitrogen Fixation Process In Plants To Combat Drought In Various Species Of Legumes -- ScienceDaily
... Your source for the latest research news. Nitrogen Fixation Process In Plants To Combat Drought In Various Species Of Legumes. Date: January 25, 2008 Source: Basque Research Summary: The regulation of the biological fixation of nitrogen in hydric stress conditions varies with the different species of legume plants studied. The regulation of the biological fixation of nitrogen in hydric stress conditions varies with the different species of legume plants studied. Biological fixation of nitrogen. These nitrogen-fixing organisms also called diazotrophs , can fix nitrogen either as free living or in symbiosis with plants. What happens in drought or hydric stress. These results show that the regulation of the BFN in Soya, in hydric stress conditions, is produced at a localised level, in the nodule itself, and that the metabolism of carbon and nitrogen is involved in this. "Nitrogen Fixation Process In Plants To Combat Drought In Various Species Of Legumes." ScienceDaily. Nitrogen Fixation Process In Plants To...
http://sciencedaily.com/releases/2008/01/080123085302.htm
*  Biological nitrogen fixation
... redirect nitrogen fixation biological nitrogen fixation...
https://en.wikipedia.org/wiki/Biological_nitrogen_fixation
*  Late-season nitrogen for soybean? | Ag Professional
Log in or register to post comments. Log in or register to post comments. Log in or register to post comments. aileen123 1 month 2 weeks ago ideal and little stress, ideal and little stress, there is some evidence that the biological nitrogen fixation that is taking place in the soybean root nodule cannot keep up with the plant’s N needs. Log in or register to post comments. aileen123 1 month 2 weeks ago ideal and little stress, ideal and little stress, there is some evidence that the biological nitrogen fixation that is taking place in the soybean root nodule cannot keep up with the plant’s N needs. Log in or register to post comments. aileen123 1 month 2 weeks ago conditions are ideal and conditions are ideal and little stress, there is some evidence that the biological nitrogen fixation that is taking place in the soybean root nodule cannot keep up with the plant’s N needs. Log in or register to post comments. Log in or register to post comments. Log in or register to post comments. aileen123 1 month 2 wee...
http://agprofessional.com/resource-centers/crop-fertility/nitrogen/news/Late-season-nitrogen-for-soybean-218355711.html
*  Nitrogen fixation
... Industrial nitrogen fixation Haber process. Ambient nitrogen reduction. 4 Biological nitrogen fixation 'BNF' occurs when atmospheric nitrogen is converted to ammonia by an enzyme called a nitrogenase. Plants that contribute to nitrogen fixation include the legume family. They contain symbiotic bacteria called rhizobia within nodules in their root systems, producing nitrogen compounds that help the plant to grow and compete with other plants. Although by far the majority of plants able to form nitrogen-fixing root nodules are in the legume family Fabaceae, there are a few exceptions:. Industrial nitrogen fixation. The Ostwald process for the production of nitric acid was discovered in 1902. Frank-Caro process and Ostwald process dominated the industrial fixation of nitrogen until the discovery of the Haber process in 1909. The first dinitrogen complex to be reported was Ru NH 3 5 N 2 2+. Synthetic nitrogen reduction Yandulov 2003|thumb|right In 2003 a related molybdenum amido complex was found to catalyze...
https://en.wikipedia.org/wiki/Nitrogen_fixation
*  PLOS Computational Biology: Metabolic Reconstruction and Modeling of Nitrogen Fixation in Rhizobium
... etli. Other Article Types. Article-Level Metrics. View. Sum of PLOS and PubMed Central page views and downloads. Open Access Peer-reviewed Research Article. Metabolic Reconstruction and Modeling of Nitrogen Fixation in Rhizobium etli. Article. This reconstruction spans 26 metabolic pathways involving central metabolism 44 reactions, amino acids metabolism 136 reactions, purine and pyrimidine metabolism 89 reactions, PHB synthesis 8 reactions, and nitrogen metabolism 19 reactions. Metabolic Pathways for Rhizobium etli The metabolic reconstruction for R. After reviewing the available literature, we can postulate an OF for use in FBA, which represents symbiotic nitrogen fixation in R. From a physiological point of view, there are some other possible explanations for reduced nitrogen fixation when the myo-inositol dehydrogenase enzyme is inactive. From our in silico analysis, we observe that a deletion of myo-inositol dehydrogenase enzyme decreases nitrogen fixation activity, although it is not essential for...
http://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.0030192
*  Resource Optimization and Symbiotic Nitrogen Fixation - Springer
... Search Help. Resource Optimization and Symbiotic Nitrogen Fixation. Affiliated with The Ecosystems Center, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA. Affiliated with Department of Biological, Sciences, Stanford University, Stanford, California 94305, USA. Affiliated with Department of Plant Biology, Carnegie Institution of Washington, Stanford, California 94305, USA; and. Affiliated with The Ecosystems Center, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA. Affiliated with The Ecosystems Center, Marine Biological Laboratory, Woods Hole, Massachusetts 02543, USA. Affiliated with Department of Ecology and Environmental Research, Swedish University of Agricultural Sciences, Box 7072, SE-750 07 Uppsala, Sweden. In temperate forests, symbiotic nitrogen N fixation is restricted to the early phases of succession despite the persistence of N limitation on production late in succession. Because of this optimization, N fixation should be restricted to periods when fixat...
http://link.springer.com/article/10.1007/s10021-001-0018-z
*  Which Comes First? USU Biochemists 'Cracking Code' of Nitrogen Fixation - College of Science - www.u
USU Biochemists 'Cracking Code' of Nitrogen Fixation - College of Science - www.usu.edu. USU Biochemists 'Cracking Code' of Nitrogen Fixation. USU Biochemists 'Cracking Code' of Nitrogen Fixation. USU biochemist Karamatullah Danyal, a doctoral candidate in Professor Lance Seefeldt s lab, uses a quench flow instrument in a glove box, while investigating steps of nitrogen fixation. He's part of a USU team that published two papers in the Sept. 23 Proceedings of the National Academy of Sciences. USU biochemists, from left, Edwin Antony, Nimesh Khadka, Karamatullah Danyal, Lance Seefeldt seated, Sudipta Shaw and Zhi-Yong Yang are studying nitrogen fixation in Seefeldt s lab. In each paper, the researchers, under the leadership of USU biochemistry professor Lance Seefeldt, describe newly discovered insights about nitrogen fixation, a process that converts life-sustaining nitrogen into a form that humans, animals and plants can access. It s an incredible irony, says Seefeldt, professor in USU s Department of Chemis...
https://usu.edu/science/htm/which-comes-first-usu-biochemists-cracking-code-of-nitrogen-fixation/
*  CO2 and light effects on growth, photosynthesis, carbon acquisition and nitrogen fixation of the d
... iazotrophic cyanobacteria Trichodemium - ePIC. Programs. Research Networks. Citation Guide. Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung. EPIC.awi.de. Programs. Research Networks. Citation Guide. CO2 and light effects on growth, photosynthesis, carbon acquisition and nitrogen fixation of the diazotrophic cyanobacteria Trichodemium. 2009 : CO2 and light effects on growth, photosynthesis, carbon acquisition and nitrogen fixation of the diazotrophic cyanobacteria Trichodemium, ASLO, 25 - 30 January 2009, Nice, France. Cite this page as: hdl: 10013/epic.31851 Contact Email: Sven.Kranz@awi.de Related Data:. Abstract: Recent studies on the diazotrophic cyanobacteria Trichodesmium showed a pronounced CO2 dependency in N2- and C-fixation. To this end, we investigated carbon acquisition and nitrogen fixation in Trichodesmium IMS101 under different CO2 and light levels. Nitrogen fixation rates were determined using the acetylene reduction assay, and chlorophyll a fluorescence was measure...
http://epic.awi.de/19938/
*  Publications: Centre for Rhizobium Studies - Murdoch Research Repository
Ardley, J. , Tian, R. , Howieson, J. , Yates, R. , Bräu, L. , Han, J. , Huntemann, M. , Mavromatis, K. , Markowitz, V. , Ivanova, N. , Pati, A. , Goodwin, L. , Woyke, T. , Kyrpides, N. and Reeve, W. Standards in Genomic Sciences, 9 1. Ardley, J.K. , O'Hara, G.W. , Reeve, W.G. , Yates, R.J. , Dilworth, M.J. , Tiwari, R.P. and Howieson, J.G. Archives of Microbiology, 191 4. Ardley, J.K. , De Meyer, S.E. , O'Hara, G.W. , Reeve, W.G. , Yates, R.J. , Dilworth, M.J. and Howieson, J.G. International Journal of Systematic and Evolutionary Microbiology, 62 11. Ardley, J.K. , Reeve, W.G. , O'Hara, G.W. , Yates, R.J. , Dilworth, M.J. and Howieson, J.G. , Howieson, J. 2012 The genetics of symbiotic nitrogen fixation: Comparative genomics of 14 rhizobia strains by resolution of protein clusters. International Journal of Systematic and Evolutionary Microbiology, 64 Pt 4. 2015 High-quality permanent draft genome sequence of the Lebeckia - nodulating Burkholderia dilworthii strain WSM3556T. 2000 Estimation of host-strain com...
http://researchrepository.murdoch.edu.au/view/affiliations/crs.html
*  Microbe Fixes Nitrogen At A Blistering 92 C, May Offer Clues To Evolution Of Nitrogen Fixation -- Sc
... ienceDaily. Your source for the latest research news. Mobile. Follow. Subscribe. Breaking News :. Rocks Show First Photosynthesis That Made Oxygen. Understanding Others' Thoughts Helps Kids to Lie. Extremely Light Storage Device as E-Car Battery. Birds Flew Over the Heads of Dinosaurs. Hog-Nose Rat Discovered. Foot Fossil: Evolutionary Messiness of Walking. Migrating Songbirds Can Be Tricked by Magnets. Fossils Intensify Mystery of Odd Toothy Mammal. Predator Survives, but Ecosystem Crashes. Restoring Vision With Stem Cells. Science News from research organizations. Microbe Fixes Nitrogen At A Blistering 92 C, May Offer Clues To Evolution Of Nitrogen Fixation. Date: December 15, 2006 Source: University of Washington Summary: A heat-loving archaeon capable of fixing nitrogen at a surprisingly hot 92 degrees Celsius, or 198 Fahrenheit, may represent Earth's earliest lineages of organisms capable of nitrogen fixation, perhaps even preceding the kinds of bacteria today's plants and animals rely on to fix nitr...
http://sciencedaily.com/releases/2006/12/061215091006.htm
*  Phosphate availability and the ultimate control of new nitrogen input by nitrogen fixation in the tr
... opical Pacific Ocean. About WHOAS Toggle navigation. View Item. Woods Hole Oceanographic Institution. Marine Chemistry and Geochemistry MC G. View Item. Woods Hole Oceanographic Institution. Marine Chemistry and Geochemistry MC G. View Item. All of WHOAS Communities Collections By Issue Date Authors Titles Keywords This Collection By Issue Date Authors Titles Keywords. Phosphate availability and the ultimate control of new nitrogen input by nitrogen fixation in the tropical Pacific Ocean. The observed trend over the last 20 years has shown a decrease in the dissolved inorganic phosphate DIP pool in the North Pacific gyre, which has been correlated to the increase in di-nitrogen N2 fixation rates. We observed a decrease in DIP concentration from the edges to the centre of the gyre. Nevertheless the DIP concentrations remained above 100 nmol L 1 and T DIP was more than 6 months in the centre of the gyre; DIP availability remained largely above the level required for phosphate limitation to occur and the abs...
https://darchive.mblwhoilibrary.org/handle/1912/2097
*  Tropical forests 'fix' themselves: Nitrogen fixation in tropics has far-reaching implications for gl
... obal warming - Chemistry2011.org. Chemistry 2011 .org All About Chemistry... New to Chemistry2011.org. Chemistry 2011 Home. Chemistry Projects. News & Event Resources. Tropical forests 'fix' themselves: Nitrogen fixation in tropics has far-reaching implications for global warming. 15, 2013 — Tropical forests speed their own recovery, capturing nitrogen and carbon faster after being logged or cleared for agriculture. Researchers working at the Smithsonian Tropical Research Institute in Panama think the discovery that trees "turn up" their ability to capture or "fix" nitrogen from the air and release it into the soil as the forest makes a comeback has far-reaching implications for forest restoration projects to mitigate global warming. "This is the first solid case showing how nitrogen fixation by tropical trees directly affects the rate of carbon recovery after agricultural fields are abandoned," said Jefferson Hall, STRI staff scientist. "Trees turn nitrogen fixation on and off according to the need for n...
http://chemistry2011.org/news/AnalyticalChemistry/EnvironmentalChemistry/AtmosphericChemistry/TropicalForestsFixThemselvesNitrogenFixationInTropicsHasFarreachingImplicationsForGlobalWarming
*  : Nitrogen fixation helps double some African farm yields
: Nitrogen fixation helps double some African farm yields. Top Stories Nitrogen fixation helps double... Our Editorial Affiliate Network. From: Joris Tielens, SciDevNet , More from this Affiliate Published November 5, 2013 08:59 AM Nitrogen fixation helps double some African farm yields RELATED ARTICLES Desert bacteria could help boost crop yields February 6, 2013 03:53 PM. A large-scale research and development project has shown that giving farmers resources and advice on nitrogen fixation through legume plants can double yields and boost incomes in Africa. But not all farmers are benefiting from this practice due to a lack of access to inputs, such as fertilizers says Ken Giller, the leader of the N2Africa project, as a second phase to widen access to the initiative is announced with US$25.3 million funding from the Bill Melinda Gates Foundation for the next five years. This was carried out by a partnership comprising Wageningen University in the Netherlands, the International Centre for Tropical Agricultur...
http://enn.com/top_stories/article/46637
*  ARS Project: Germplasm Enhancement for Improved Biological Nitrogen Efficiency in Common Bean (42024
ARS Project: Germplasm Enhancement for Improved Biological Nitrogen Efficiency in Common Bean 420248 Annual Report Grain Legume Genetics Physiology Research : Research. Page Banner. United States Department of Agriculture Agricultural Research Service. ARS Home. About ARS. ARS Research. National Programs. Research Projects. Scientific Manuscripts. International Programs. Trending Research Topics. Scientific Collaborations. ARS People Locations. Find a person. Find a location. Find an office at headquarters. ARS Newsroom. News Home. Briefing Room. ARS Careers. Careers at ARS Info. Site Map. You are here: Pacific West Area Home / Grain Legume Genetics Physiology Research / Research / Research Project #420248. Project Annual Reports 2013. Related National Programs Plant Genetic Resources, Genomics and Genetic Improvement 301. Plant Diseases 303. Other Research Projects. Research Project:. Germplasm Enhancement for Improved Biological Nitrogen Efficiency in Common Bean. Location: Grain Legume Genetics Physiology ...
http://ars.usda.gov/research/projects/projects.htm?ACCN_NO=420248&fy=2011
*  Probing Core-Hole Localization in Molecular Nitrogen
... An international team of scientists from the University of Frankfurt in Germany, Berkeley Lab, Kansas State University, and Auburn University has now resolved the issue with an appropriate twist of quantum fuzziness. By means of coincident detection of the photoelectron ejected from molecular nitrogen and the Auger electron emitted femtoseconds later, the team found that how the measurements are done determines which description—localized or delocalized—is valid. Artist’s view of the asymmetric angular distributions obtained by coincident detection of the photoelectron emerging from a N 2 molecule blue of the photoelectron left and the Auger electron emitted 7 fs later right for the case of a localized core hole in a N 2 molecule. As the two electrons form an entangled state, the Auger electron right is also localized. Experimentally, one measures the coincident distribution of the photoelectron for a fixed direction of the Auger electron relative to the molecular axis and of the Auger electron for a fix...
http://www-als.lbl.gov/index.php/visitors/access-to-the-als/173-probing-core-hole-localization-in-molecular-nitrogen.html
*  .. Tag: nitrogen fixing plants .. All Nitrogen Fixers Are Not Created Equal: By Eric Toensmeier ..
Tag: nitrogen fixing plants All Nitrogen Fixers Are Not Created Equal: By Eric Toensmeier Eric Toensmeier is the author of Perennial Vegetables and the co author of Edible Forest Gardens Volumes 1/2. He has a wealth of knowledge when it comes to food forestry, permaculture design, and useful plants. What follows is an essay Eric recently wrote about the nitrogen fixing capacities of a variety of plants from different regions. This one’s especially good for the plant geek within you. Learn more by visiting Eric’s website www.perennialsolutions.org .Â. All Nitrogen Fixers Are Not Created Equal. Nitrogen fixing species are a cornerstone of food forestry and other permaculture practices. Through a partnership with symbiotic organisms in their roots, these plants can turn atmospheric nitrogen into nitrogen fertilizers useful to themselves but also becoming available to their neighbors over time through root die back, leaf fall, and chop and drop coppice management. While it does not replace the need to bring in p...
http://thefruitnut.com/tag/nitrogen-fixing-plants/
*  Bernd Masepohl, Ruhr-Universität Bochum, Biologie der Mikroorganismen - ResearchGate
Bernd Masepohl. Are you Bernd Masepohl. Article:. Franz Narberhaus Bernd Masepohl. Journal of Bacteriology 07/2014; 196 19. Article:. Coordinated Expression of fdxD and molybdenum nitrogenase genes promotes nitrogen fixation by Rhodobacter capsulatus in the presence of oxygen. Franz Narberhaus Bernd Masepohl. Expression of fdxD strictly required NifA1 and NifA2, the transcriptional activators of the Mo-nitrogenase genes, but not AnfA, the transcriptional activator of the Fe-nitrogenase genes. Journal of bacteriology 11/2013; 196 3. Article:. DOI:10.1099/mic.0.058487-0 2.56 Impact Factor Source Available from: Franz Narberhaus. Article:. Franz Narberhaus Bernd Masepohl. Article:. Franz Narberhaus Bernd Masepohl. Journal of bacteriology 01/2012; 194 8 :1849-59. Article:. ABSTRACT: The LysR-type regulator MopB represses transcription of several target genes including the nitrogen-fixation gene anfA in Rhodobacter capsulatus at high molybdenum concentrations. DOI:10.1107/S1744309110054710 0.53 Impact Factor Sourc...
http://researchgate.net/researcher/39210599_Bernd_Masepohl
*  Description: Molybdenum, Phosphorous, and Nitrogen Availability Control Rates of Biological N2-fixat
description molybdenum phosphorous and nitrogen availability control rates of biological n fixation in boreal peatlands katherine dynarski skip to content toggle navigation falvey memorial library vu home falvey memorial library all fields title author subject find advanced search falvey home home collections undergraduate honors theses villanova digital collection molybdenum phosphorous and nitrogen availability control rates of biological n fixation in boreal cite this text this email this export record export to refworks export to endnoteweb export to endnote molybdenum phosphorous and nitrogen availability control rates of biological n fixation in boreal peatlands katherine dynarski bsh advisor dr melanie a vile main author dynarski katherine format thesis language english published subjects peatlands a...
http://digital.library.villanova.edu/Record/vudl:302163/Description
*  WANTS POSTDOC IN METAL TOXICITY/NITROGEN FIXATION
... dsrinivas at kean.ucs.mun.ca dsrinivas at kean.ucs.mun.ca. Fri Nov 12 13:18:33 EST 1993. Previous message: Address for Bacharach. Next message: Rosaphil@echonyc.com would like to subscribe to your newsr Messages sorted by:. Greetings: LOOKING FOR POSTDOC POSITION IN METAL TOXICITY OR IN NITROGEN FIXATION My academic background and seven years of experience include a M.Sc in Cytogenetics and Plant Breeding of Crops a M.Phil and a Ph.D in Metal Toxicity on Plants. The research work for the M.Phil was on Toxicity of lead and its interaction with chelating agents in soil-plant systems and for first doctorate degree was on Effects of lead, manganese and chelating agents on some vegetable crops. During that period I was exposed to various physiological and biochemical techniques. Basically, I was involved in the estimation of certain enzymes and proteins besides studying various physiological aspects of plants exposed to metal stress and accumulation of metal ions in various plant parts in the presence and abs...
http://bio.net/bionet/mm/plantbio/1993-November/002045.html
*  IDL-BNC @ IDRC: Studies on symbiotic nitrogen fixation in white clover and field beans
idl bnc idrc studies on symbiotic nitrogen fixation in white clover and field beans english français skip navigation home about idrc digital library idrc library conditions of use search browse themes and sub themes browse items by titles authors subjects date help login log into the idrc digital library subscribe to alerts idl bnc idrc idrc crdi idrc research results résultats de recherches du crdi attribution please use this identifier to share cite or link to this item http hdl handle net title studies x on x symbiotic x nitrogen x fixation x in x white x clover x and x field x beans authors ghobashi x a a e keywords leguminosae bacteria plant x nutrition nitrogen x fixation fava x beans experiments date publisher university x college x of x wales x welsh x plant x breeding x station x aberystwyth x gb description thesis thesis x m sc x university x college x of x wales x uri http x f x f hdl handle net x f x f project number project title project x related x awards x x access idrc x only files in this ite...
http://idl-bnc.idrc.ca/dspace/handle/10625/4016
*  CarPro Fixer Polishing Compound 1 Liter
... Customer Service. 1.800.215.4460 Shipping. Orders usually ship same day. MY ACCOUNT - ORDER HISTORY. Sign In. MY ACCOUNT - ORDER HISTORY. Welcome $$firstName$$. Sign Out. Bookmark this Page Email this page to a Friend. Your Shopping Cart. . . ColorChip Road Rash Paint Chip Repair Kit Dupray Steam Cleaners Duragloss Automotive Appearance Products Eclipse Sun Shade The Edge Buffing Pads 1Z einszett German Car Care Products European License Plates Finish Kare FLEX Polishers Flitz Metal Polish, Fiberglass & Paint Restorer Foamaster Foam Wash Gun Free Bonus. . . Home. Detailing Guides. About Us. Newsletter. Brands. Customer Service. Home. Shop By Brand. Cquartz by CarPro Innovative Nano Coats. CarPro Fixer Polishing Compound 1 Liter CarPro Fixer Polishing Compound 1 Liter. . CarPro Fixer Polishing Compound is a one-step polishing compound made for any kind of paint surface: freshly painted, soft, hard and new ceramic scratch resistant paint. CarPro Fixer Polishing Compound is perfect for prepping your paintwo...
http://superiorcarcare.net/carpro-fixer-compound-liter.html
*  Color (C-41) Fixer
Color C-41 Fixer. Photocentric Ltd. Network - APUG.ORG. DPUG.ORG. Hybridphoto.com - Terms of Service. Privacy Policy. Contact Us. Members: 76,981 Posts: 1,696,235 Online: 869. No Account. Click Here. Remember Me. Forum. FAQ. Today's Posts. Subscribed Threads. My Threads. My Posts. Calendar. Spy. Mark Forums Read. Groups. Blogs. Gallery. Portfolios. Chat. Articles. Videos. Classifieds. Support Us. Mobile. Advanced Search. Forum. APUG English Forums. Darkroom. Color: Film, Paper, and Chemistry. Color C-41 Fixer. Latest Photo. Mom and Daughter by ColColt. Enter the Gallery. Recent Classifieds. FS: Norman Studio Barn Doors 1 Author: mds721 0 view s. Beautiful USA Made Entry Level Author: jimgalli 93 view s. Beautiful USA Made Entry Level Author: jimgalli 91 view s. Doran Darkroom Light Tight fan Author: ParkerSmithPhoto 74 view s. Mamiya TLR 250 mm F/ 6.3 lens, Author: Ron789 66 view s. Recent Articles. Benchtop Photolithography for Author: Mustafa Umut Sarac 245 view s. Leica Lens Glass Tint, Anomalo Author: Mus...
http://apug.org/forums/forum40/114448-color-c-41-fixer.html
*  Dry and wet deposition of nutrients from the tropical Atlantic atmosphere: Links to primary product
... ivity and nitrogen fixation - NERC Open Research Archive. NERC Staff Login. Dry and wet deposition of nutrients from the tropical Atlantic atmosphere: Links to primary productivity and nitrogen fixation. Tools Tools Tools. RDF+XML BibTeX RDF+N-Triples JSON RefWorks Dublin Core Simple Metadata Refer METS Simple Metadata iShare HTML Citation ASCII Citation OpenURL ContextObject EndNote Dublin Core iShare OpenURL ContextObject in Span MODS MPEG-21 DIDL EP3 XML Reference Manager RDF+N3 Multiline CSV. N 2007 Dry and wet deposition of nutrients from the tropical Atlantic atmosphere: Links to primary productivity and nitrogen fixation. Slideshow Figures from published paper DSR54 1704 2007 figures.ppt Restricted to NORA staff only Download 332kB. Text Final submitted text separate file for figures DSR54 1704 2007.doc Restricted to NORA staff only Download 276kB. Official URL: http://dx.doi.org/10.1016/j.dsr.2007.07.001 Abstract/Summary Atmospheric deposition fluxes of soluble nutrients N, P, Si, Fe, Co, Zn to th...
http://nora.nerc.ac.uk/1019/
*  .. The Fixer .. The Fixer .. Share this: .. Like this:
the fixer the fixer become a fan new ronin entertainment is proud to present our first television production the fixer based on the lawson vampire novels by jon f merz called james bond with fangs the fixer tells the story of lawson a cynical jaded part cop spy commando divinely chosen from birth to help protect the balance the line separating humanity and the race of living vampires that has evolved in secret alongside humans over thousands of years called upon to protect his race by rooting out rogues criminals terrorists and ne er do wells lawson dispenses justice with extreme prejudice sarcasm by the bowlful and bullets by the pound lawson s area of operations ao is boston and new england but his previous missions have taken him all over the world what makes the fixer so unique and utterly cool unlike every other vampire story the vampires in lawson s world are not undead they re members of a separately evolving race that has existed in secret for thousands of years they have their own society carefully i...
http://jonfmerz.net/producer/new-ronin-entertainment/the-fixer/
*  spent fixer poll revisited 3 years later
... Benchtop Photolithography for Author: Mustafa Umut Sarac 241 view s. Wet Plate Collodion Silver Iod Author: Mustafa Umut Sarac 326 view s. View Poll Results: what do you do with your spent fixer. pour down the drain. Thread: spent fixer poll revisited 3 years later. Join Date Jan 2005 Location Live Free or Die Shooter Multi Format Posts 4,974 Images. Adv Reply. Reply w/quote. Join Date Jun 2003 Shooter Multi Format Posts 18,542 Blog Entries 16 Images. Join Date Jan 2010 Location Pennsylvania, USA Shooter Multi Format Posts 1,628. Perhaps those of you who take their fixer to a hazmat facilitly could comment on my concern, which is that the hazmat people don't really know what to do with used fixer. Join Date Jan 2010 Location Pennsylvania, USA Shooter Multi Format Posts 1,628. Wash off the Silver Magnet cell with clear water, dry it and put it away for the next time you want to use it. The first time I used the Silver Magnet, it took a little over a week to pull all the silver out of 2-1/2 gallons of used...
http://apug.org/forums/forum37/103658-spent-fixer-poll-revisited-3-years-later-3.html
*  Garden Dictionary Word: nitrogen fixation
Encyclopedia Seeds Forums Plant Finder Videos Search Like us or follow Articles Alpine Garden Annual Garden Bog Garden Bulbs Chihuly Garden Catalogs Compost Common Names Container Garden Dry Garden Easy Veggie Garden Encyclopedia Fence Designs Greenhouse Garden Blog Garden Forums Garden Fountains Garden Designs Garden Guide Garden Plans Garden Videos Garden Words Gardening Tips Garden Webcam Hardiness Zones Herb Garden How to Garden Insects Lawn Care My Garden Perennial Garden Plant Buddy Plant Disease Plant Finder Plant Info Plant This! Poems & Verses Propagation Pumpkins Rose Garden Potting Soil Mix Organic Garden Seeds Shade Garden Trees Tomatoes Vegetable Garden Water Garden Donations Please Campfire Songs Search Reference Garden Dictionary Word: nitrogen fixation nitrogen fixation The conversion of atmospheric nitrogen into an organic form usable by plants and other organisms. This can be through the agency of soil microorganisms, particularly rhizobia living in nodules on the roots of legumes , or b...
http://backyardgardener.com/gardendictionary/nitrogen_fixation.html
*  CH391L/S13/Refactoring Operons - OpenWetWare
However, through a process known as “refactoring,” gene clusters can be recoded to systematically eliminate native regulation cite Temme2012 /cite. This term was first applied in biology to describe the top-down approach of simplifying the phage cite Chan2005 /cite, but it is used here to refer to the bottom-up approach of eliminating native regulation of gene clusters and replacing it with synthetic genetic parts and circuits cite Temme2012 /cite. However, through a process known as “refactoring,” gene clusters can be recoded to systematically eliminate native regulation cite Temme2012 /cite. This term was first applied in biology to describe the top-down approach of simplifying the phage cite Chan2005 /cite, but it is used here to refer to the bottom-up approach of eliminating native regulation of gene clusters and replac it with synthetic genetic parts and circuits. cite Temme2012 /cite. The resulting gene cluster is a set of discrete genetic parts free of native regulation cite Temme2012 /cite. + The desi...
http://openwetware.org/index.php?title=CH391L/S13/Refactoring_Operons&diff=693170&oldid=691519
*  Ilford IF-2 Acid-hypo Fixer
... Photocentric Ltd. Network - APUG.ORG. DPUG.ORG. Hybridphoto.com - Terms of Service. Privacy Policy. Contact Us. Members: 76,978 Posts: 1,696,221 Online: 886. No Account. Click Here. Remember Me. Forum. FAQ. Today's Posts. Subscribed Threads. My Threads. My Posts. Calendar. Spy. Mark Forums Read. Groups. Blogs. Gallery. Portfolios. Chat. Articles. Videos. Classifieds. Support Us. Mobile. Advanced Search. Articles. Recipes. Fixers. Ilford IF-2 Acid-hypo Fixer. Latest Photo. Mom and Daughter by ColColt. Enter the Gallery. Recent Classifieds. Beautiful USA Made Entry Level Author: jimgalli 52 view s. Beautiful USA Made Entry Level Author: jimgalli 53 view s. Doran Darkroom Light Tight fan Author: ParkerSmithPhoto 50 view s. Mamiya TLR 250 mm F/ 6.3 lens, Author: Ron789 54 view s. FS: Kodak Expired 120 Ektachro Author: mds721 75 view s. Recent Articles. Benchtop Photolithography for Author: Mustafa Umut Sarac 244 view s. Leica Lens Glass Tint, Anomalo Author: Mustafa Umut Sarac 490 view s. Michelangelo - Sist...
http://apug.org/forums/forum226/87725-ilford-if-2-acid-hypo-fixer.html
*  Nitrogen-fixing bacteria
nitrogen fixing bacteria nitrogen fixing bacteria redirect nitrogen fixation biological nitrogen fixation...
https://en.wikipedia.org/wiki/Nitrogen-fixing_bacteria
*  When should I use new fixer?
When should I use new fixer. Photocentric Ltd. Network - APUG.ORG. DPUG.ORG. Hybridphoto.com - Terms of Service. Privacy Policy. Contact Us. Members: 76,983 Posts: 1,696,263 Online: 798. No Account. Click Here. Remember Me. Forum. FAQ. Today's Posts. Subscribed Threads. My Threads. My Posts. Calendar. Spy. Mark Forums Read. Groups. Blogs. Gallery. Portfolios. Chat. Articles. Videos. Classifieds. Support Us. Mobile. Advanced Search. Forum. APUG English Forums. Darkroom. B W: Film, Paper, Chemistry. When should I use new fixer. Latest Photo. Two conchs by Peter Rockstroh01. Enter the Gallery. Recent Classifieds. FS: Norman Studio Barn Doors 1 Author: mds721 38 view s. Beautiful USA Made Entry Level Author: jimgalli 140 view s. Beautiful USA Made Entry Level Author: jimgalli 132 view s. Doran Darkroom Light Tight fan Author: ParkerSmithPhoto 99 view s. Mamiya TLR 250 mm F/ 6.3 lens, Author: Ron789 86 view s. Recent Articles. Benchtop Photolithography for Author: Mustafa Umut Sarac 245 view s. Leica Lens Glass Ti...
http://apug.org/forums/forum37/99175-when-should-i-use-new-fixer.html
*  TF-4 Fixer Life
... Network - APUG.ORG. DPUG.ORG. Hybridphoto.com - Terms of Service. Privacy Policy. Contact Us. Members: 76,959 Posts: 1,695,827 Online: 864. Remember Me. Forum. FAQ. Today's Posts. Subscribed Threads. My Threads. My Posts. Mark Forums Read. Blogs. Gallery. Portfolios. Articles. Classifieds. Support Us. Mobile. Advanced Search. Forum. APUG English Forums. Darkroom. TF-4 Fixer Life. Latest Photo. Enter the Gallery. Recent Classifieds. Leica 50mm Summicron V4 Author: nanthor 79 view s. FS: Darkroom Clear Out - Time Author: bjsmith7474 143 view s. FS: Leica 35mm Summicron Versi Author: Nathan King 90 view s. FS: Hasselblad, Nikon, Zeiss, Author: Barlow 99 view s. FS AGFA NEWSFILM graphic fil Author: kubakoziol 79 view s. Recent Articles. Benchtop Photolithography for Author: Mustafa Umut Sarac 235 view s. Leica Lens Glass Tint, Anomalo Author: Mustafa Umut Sarac 440 view s. Michelangelo - Sistine Chapel Author: Mustafa Umut Sarac 461 view s. Divided Attention Author: Bill Burk 827 view s. Wet Plate Collodion ...
http://apug.org/forums/forum37/5135-tf-4-fixer-life-2.html
*  10+ years old fixer does work
... Photocentric Ltd. Network - APUG.ORG. DPUG.ORG. Hybridphoto.com - Terms of Service. Privacy Policy. Contact Us. Members: 76,993 Posts: 1,696,388 Online: 1118. No Account. Click Here. Remember Me. Forum. FAQ. Today's Posts. Subscribed Threads. My Threads. My Posts. Calendar. Spy. Mark Forums Read. Groups. Blogs. Gallery. Portfolios. Chat. Articles. Videos. Classifieds. Support Us. Mobile. Advanced Search. Forum. APUG English Forums. Darkroom. B W: Film, Paper, Chemistry. 10+ years old fixer does work. Latest Photo. Window Shopper by n2mf. Enter the Gallery. Recent Classifieds. FS: Norman Studio Barn Doors 1 Author: mds721 86 view s. Beautiful USA Made Entry Level Author: jimgalli 248 view s. Beautiful USA Made Entry Level Author: jimgalli 220 view s. Doran Darkroom Light Tight fan Author: ParkerSmithPhoto 190 view s. Mamiya TLR 250 mm F/ 6.3 lens, Author: Ron789 131 view s. Recent Articles. Benchtop Photolithography for Author: Mustafa Umut Sarac 248 view s. Leica Lens Glass Tint, Anomalo Author: Mustafa ...
http://apug.org/forums/forum37/126161-10-years-old-fixer-does-work.html
*  ESET Papras Fixer Download - Softpedia
... SOFTPEDIA. DESKTOP. Windows Windows. Games. Drivers. Mac. Linux. MOBILE Phones. Tablets. Android. iOS. Windows Phone. WEB Webscripts. Web Browsers. Softpedia. Windows. Antivirus. Removal Tools. ESET Papras Fixer. ESET Papras Fixer DOWNLOAD NOW 162 KB. 303 downloads. 1.0.0.1 100% CLEAN. Freeware. A lightweight application that was made to help users get rid of the Papras malware that steals sensitive information from infected systems. description download 1 specifications. Keeping the PC clean from any threats involves the use of powerful antivirus solutions, but even if one such tool is installed, the more recent viruses might infiltrate onto the computer. In case one such infection occurs, it is vital that the user can find the proper removal utility and deploy it to clean the system. ESET Papras Fixer is one such application and it targets a specific malware that is quite dangerous because its goal is to leak sensitive information from the infected PC. The Papras trojan allows the attacker to gain acce...
http://softpedia.com/get/Antivirus/Removal-Tools/ESET-Papras-Fixer.shtml
*  Nitrogen Fixation by US and Middle Eastern Chickpeas with Commercial and Wild Middle Eastern Inocula
... : Table 1. Table 1: Mean*  % N fixation, above-ground biomass AGB, below-ground biomass BGB, and seed weight in chickpeas....
http://hindawi.com/journals/isrn/2012/981842/tab1/
*  News
... We use cookies to enhance your visit. By continuing to browse you are agreeing to our use of cookies. About Our Cookies. English Home / Hafan Gymraeg. News. Fixers. Issues. On TV. About. Join Fixers Join Newsletter. Become a Fixer. Become Corporate Partner. Become Community Partner. Become Individual Partner. 17.3k. Love your locks and celebrate your style. Onyi urges women to embrace their natural hair. Click to find out more. Got a question about eating disorders. Click here to find everything you need to know on our new, dedicated site... Anorexia undoubtedly can be cured in the majority of cases. Hear from the experts. Visit our eating disorders site. AWARD ON TOUR. Fixers National Lottery Award has become the competition s most well travelled silverware. Fixers need your support. Click here to donate and fund future Fixers. News. Posted On: 11th Nov 2013 The Power of Love. Fixers Stephen jump for joy at event. Fixer Stephen spreading the positive message. Fixer giving out free hugs. Not letting a di...
http://fixers.org.uk/index.php?module_instance_id=11208&core_alternate_io_handler=view_news&data_ref_id=7895
*  Imaging supplies
Excellent Scratch Resistant. Excellent Dimensional Stability Characteristics. DIAZO PHOTOTOOLS. Excellent dimensional stability Characteristics. NGS -- Diazo Films. LPI-7M Same excellent characteristics as LPI. WHITE CLEAN ROOM VINYL #FS-5-22 22 x28 50 per case #FS-5-20 27 x20 50 per case #FS-5 27 x 23 50 per case #FS-4 25 x 20 100 per case #FS-4-23 23 x 20 100 per case. WHITE PAPER BOARD #NGS-6 30 x 24 50 per case #NGS-5 27 x 23 50 per case #NGS-4 25 x 20 100 per case #NGS-4-23 23 x 20 100 per case. Allied Products: Rapid Access Developer Laser-14 Developer 4x5 quart / carton Mixes 1 part concentrate to 2 parts water Fixer w/Hardener XHF-147 Fixer w/hardener 4x1 gallon Fixer with 4x1 pint hardner per carton. / carton #29026 Fixer Systems Cleaner 4 x 1/2 Gal. / carton. Konica Products: Rapid Access Developer #860 Developer 2.5 gallon cube or 4x1 gallon / carton. / carton Fixer w/Hardener #841 Fixer w/hardener 4x1 gallon fixer with 4x1 pint hardener / carton. Fuji Products: Rapid Access Developer Forte' HQ Dev...
http://fdrspecialproducts.com/imaging.html
*  The Fixer Uppers
... 'The Fixer Uppers' is a 1935 short film starring Laurel and Hardy, directed by Charles Rogers and produced by Hal Roach. Plot Cast Notes References External links. Plot. Christmas card salesman Stan and Ollie are persuaded to help a woman Mae Busch spice up her loveless marriage by making her husband jealous. The spouse involved, a temperamental artist played by Charles Middleton, is however made rather too jealous for comfort, and puts Ollie in peril when he challenges him to a duel to the death at midnight and pledges to track him "to the end of the world" if he does not show up. Stan and Ollie discuss the challenge in a nearby bar and it occurs to them that the husband cannot know where they live, so Ollie complacently telephones him to inform him he will not be there and they both insult him. They then get drunk with a neighbor of the couple played by Arthur Housman. They are discovered when Stan starts snoring and pistols are produced but the wife tells Ollie she has replaced the bullets with blanks...
https://en.wikipedia.org/wiki/The_Fixer_Uppers
*  Klebsiella
'Klebsiella' is a genus of nonmotile, Gram-negative, oxidase-negative, rod-shaped bacteria with a prominent polysaccharide -based capsule. This is thought to be due to distinct sublineages developing specific niche adaptations, with associated biochemical adaptations which make them better suited to a particular environment. They can be found in water, soil, plants, insects, animals, and humans. 2 List of species of the genus 'Klebsiella' Features 'Klebsiella' in humans 'Klebsiella' in plants See also References External links. List of species of the genus 'Klebsiella'. p.' subsp. p.' subsp. p.' subsp. q.' subsp. q.' subsp. 3 'Klebsiella' in humans. 'Klebsiella' species are routinely found in the human nose, mouth, and gastrointestinal tract as normal flora; however, they can also behave as opportunistic human pathogens. 4 'Klebsiella' species are known to also infect a variety of other animals, both as normal flora and opportunistic pathogens. pneumoniae' is the most common cause of nosocomial respiratory tr...
https://en.wikipedia.org/wiki/Klebsiella
*  Browse by Person - InterNano Nanomanufacturing Library
browse by person internano nanomanufacturing library advanced search browse collections document type latest additions person taxonomy year deposit an item about the library internano login create account browse by person up a level export as ascii citation bibtex dublin core ep xml endnote html citation json mets object ids openurl contextobject rdf n triples rdf n rdf xml refer reference manager atom rss rss number of items cherchi carla and gu april z impact of titanium dioxide nanomaterials on nitrogen fixation rate and intracellular nitrogen storage inanabaena variabilis environmental science technology p issn x this list was generated on sun oct edt this project is supported by the national science foundation under grant no cmmi center for hierarchical manufacturing internano nanomanufacturing library is powered by eprints which is developed by the school of electronics and computer science at the university of southampton more information and software credits...
http://eprints.internano.org/view/person/Cherchi=3ACarla=3A=3A.html
*  Did b+w prints (it's been 20 years) QUESTIONS
Advanced Search. 2 Safelights....I have the red one....i read on the Ilford paper I have to use the amber/brown one....I had no choice....prints seem to be fine....any comments. 5 Resin coated paper ILFORD - fix times 1 min and wash times 1 min....thats what they say.....do you guys use more time?. Adv Reply. Reply w/quote. 5 I fix for 1.5m and wash a lot longer than one minute. Join Date Apr 2006 Location Michigan Shooter Multi Format Posts 757. 2 Safelights....I have the red one....i read on the Ilford paper I have to use the amber/brown one....I had no choice....prints seem to be fine....any comments. Basically, the amber safelights emit light further into the green range than do red safelights, which means they can fog some variable contrast VC papers. 5 Resin coated paper ILFORD - fix times 1 min and wash times 1 min....thats what they say.....do you guys use more time?. Some fixers, such as TF-4, work very quickly and have very short fix times 1 minute or less. You get short wash times with alkaline fix...
http://apug.org/forums/forum41/61927-did-b-w-prints-its-been-20-years-questions.html
*  genlib/roundrobin: fix n==1 case (correctly) · m-labs/migen@6e11954 · GitHub
genlib/roundrobin: fix n==1 case correctly · m-labs/migen@6e11954 · GitHub. Skip to content. Sign up Sign in. This repository. Explore. Features. Enterprise. Pricing. Watch. 26. Star. 156. Fork. 34. m-labs. / migen. Code Issues. Pull requests. Pulse Graphs HTTPS clone URL. Subversion checkout URL. You can clone with. . HTTPS or. . Subversion. Download ZIP. Permalink. Browse files genlib/roundrobin: fix n==1 case correctly. Loading branch information ... commit 6e1195415e29958a430f379584a1366d53f07bca. 1 parent b8ff2f2. jordens authored Jul 26, 2013. sbourdeauducq committed Jul 26, 2013. Unified. Split. Showing 1 changed file with 1 addition and 1 deletion. +1. −1.   . migen/genlib/roundrobin.py. Show notes. View. 2   . migen/genlib/roundrobin.py. @@ -5,7 +5,7 @@. class RoundRobin Module :. def init self, n, switch policy = SP WITHDRAW :. self .request = Signal n. - self .grant = Signal max = max 1, n. + self .grant = Signal ma...
https://github.com/m-labs/migen/commit/6e1195415e29958a430f379584a1366d53f07bca
*  Nitrogen-fixing trees
nitrogen fixing trees nitrogen fixing trees redirect nitrogen fixation...
https://en.wikipedia.org/wiki/Nitrogen-fixing_trees
*  Nitrogen-fixing
nitrogen fixing nitrogen fixing redirect nitrogen fixation...
https://en.wikipedia.org/wiki/Nitrogen-fixing
*  henrikbjorn/GravatarBundle · GitHub
... Skip to content. Sign up Sign in. This repository. Explore. Features. Enterprise. Pricing. Watch. 9. Star. 100. Fork. 27. henrikbjorn. / GravatarBundle. Code Issues. Pull requests. Pulse Graphs HTTPS clone URL. Subversion checkout URL. You can clone with. . HTTPS or. . Subversion. Download ZIP. Simple wrapper to gravatar API for Symfony2 - Provides a configurable service and a template helper. http://knpbundles.com/henrikbjorn/GravatarBundle. 118 commits. 1 branch. 5 releases. 22 contributors. PHP 99.6%. Makefile 0.4%. PHP Makefile. Branch: master. Switch branches/tags. Branches. Tags. master. Nothing to show. 1.1.3. 1.1.2. 1.1.1. 1.1.0. 1.0.0. Nothing to show. GravatarBundle. / Merge pull request #40 from alister/feature/profiles. …. Gravatar Profile URL support. latest commit 735c520dcd. henrikbjorn authored Oct 2, 2015. Permalink. Failed to load latest commit information. DependencyInjection. CS fixer apply. Sep 2, 2015. Resources/ config. changed namespace to ornicar. Aug 23, 2011. Templating/ Helper...
https://github.com/henrikbjorn/GravatarBundle
*  "fixing" nitrogen
fixing nitrogen fixing nitrogen redirect nitrogen fixation...
https://en.wikipedia.org/wiki/"fixing"_nitrogen
*  Fixing nitrogen
... redirect nitrogen fixation...
https://en.wikipedia.org/wiki/Fixing_nitrogen
*  Nitrogen fixating
... redirect nitrogen fixation...
https://en.wikipedia.org/wiki/Nitrogen_fixating
*  Nitrogen fixing
... redirect nitrogen fixation...
https://en.wikipedia.org/wiki/Nitrogen_fixing
*  Post #1489640
post pm htf iii join date apr shooter multi format posts originally posted by gerald c koch if the working solution was cloudy then it is beginning to sulfurize nothing can be done to save it and it is best to chuck it the sulfur that is being formed will stick to film and prints and cannot be removed sorry thank you for your reply when i saw it i went it and looked at the bottle of fixer that has sat idle for several days now so i have a new question the cloudiness has settled to the bottom of the jug if i poured off the clear what would i have would it be fixer or just some unknown solution stripped of its constituant chemical of no use at all adv reply reply w quote...
http://apug.org/forums/viewpost.php?p=1489640
*  Nitrogen 14
nitrogen nitrogen redirect isotopes of nitrogen nitrogen...
https://en.wikipedia.org/wiki/Nitrogen_14
*  Nitrogen 15
nitrogen nitrogen redirect isotopes of nitrogen nitrogen...
https://en.wikipedia.org/wiki/Nitrogen_15
*  Biological role of nitrogen
... redirect nitrogen biological role...
https://en.wikipedia.org/wiki/Biological_role_of_nitrogen
*  Nitrogen rule (with regard to Mass Spec)
nitrogen rule with regard to mass spec nitrogen rule with regard to mass spec redirect nitrogen rule...
https://en.wikipedia.org/wiki/Nitrogen_rule_(with_regard_to_Mass_Spec)
*  File:Nitrogen elimination.jpg
file nitrogen elimination jpg file nitrogen elimination jpg summary licensing...
https://en.wikipedia.org/wiki/File:Nitrogen_elimination.jpg
*  Article: Original Q&A about Nitrogen - Who Posted?
article original q a about nitrogen who posted total posts who posted posts agd show thread close window...
http://automags.org/forums/misc.php?do=whoposted&t=264547
*  Terra Nitrogen About To Put More Money In Your Pocket (TNH)
Terra Nitrogen About To Put More Money In Your Pocket TNH. false....
http://forbes.com/sites/dividendchannel/2012/11/12/terra-nitrogen-about-to-put-more-money-in-your-pocket-tnh/?ss=investing
*  EXPLORE SCIENTIFIC 20MM 100° NITROGEN-PURGED WATERPROOF EYEPIECE
explore scientific mm nitrogen purged waterproof eyepiece...
http://eyepiecesetc.com/EXPLORE_SCIENTIFIC_20MM_100_WATERPROOF_EYEPIECE_p/2101200.htm
*  Mephitic
... redirect nitrogen history...
https://en.wikipedia.org/wiki/Mephitic
*  The impact of protein quality on stable nitrogen isotope ratio discrimination and assimilated diet e
... stimation. DeepDyve. Browse. Subject Areas. Journals. Publishers. Log in. Sign up - Get 2 Weeks Free. DeepDyve. Filters. DeepDyve requires Javascript to function. Please enable Javascript on your browser to continue. Whoa. It's like Spotify but for academic articles. Instant Access to Thousands of Journals for just $40/month. Get 2 Weeks Free. The impact of protein quality on stable nitrogen isotope ratio discrimination and assimilated diet estimation. Authors. Charles, Robbins; Laura, Felicetti; Scott, Florin. Abstract. Accurately predicting isotopic discrimination is central to estimating assimilated diets of wild animals when using stable isotopes. Current mixing models assume that the stable N isotope ratio 15 N discrimination ∆ 15 N for each food in a mixed diet is constant and independent of other foods being consumed. Thus, the discrimination value for the mixed diet is the combined, weighted average for each food when consumed as the sole diet. However, if protein quality is a major determinant of...
https://deepdyve.com/lp/springer-journal/the-impact-of-protein-quality-on-stable-nitrogen-isotope-ratio-G9LVVY5seH?key=springer_journal
*  Bow for a woman with muscle disease
Archery Forum. \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n 12-30-2012, 07:25 PM \r\n \r\n \r\n \r\n \r\n #2 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Hutch \r\n \r\n \r\n \r\n View Profile\r\n \r\n \r\n \r\n \r\n \r\n View Forum Posts\r\n \r\n \r\n \r\n \r\n \r\n \r\n Private Message\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n Bow String Depot\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n Join Date Jan 2008 \r\n Location Gilmanton, NH \r\n \r\n Posts 840 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n\r\n \r\n \r\n \r\n \r\n \r\n Welcome to the forum. Reply With Quote \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n'; pd = '\r\n\r\n\r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n 12-30-2012, 07:35 PM \r\n \r\n \r\n \r\n \r\n #...
http://3dshoots.com/forums/showthread.php?38407-Bow-for-a-woman-with-muscle-disease&p=333633&mode=threaded
*  Strontium and stable isotope evidence for diet and mobility in Roman Gloucester, UK - NERC Open Re
... search Archive. nerc.ac.uk. Strontium and stable isotope evidence for diet and mobility in Roman Gloucester, UK. Tools Tools Tools. RDF+XML BibTeX RDF+N-Triples JSON RefWorks Dublin Core Simple Metadata Refer METS Simple Metadata iShare HTML Citation ASCII Citation OpenURL ContextObject EndNote Dublin Core iShare OpenURL ContextObject in Span MODS MPEG-21 DIDL EP3 XML Reference Manager RDF+N3 Multiline CSV. 2009 Strontium and stable isotope evidence for diet and mobility in Roman Gloucester, UK. 2010 Roman Gloucester Isotopes.pdf. Abstract/Summary This paper presents the results of a multi-isotopic oxygen, strontium, carbon and nitrogen isotopes investigation of population and dietary diversity in Roman Gloucester, focusing on individuals found in a late 2nd century AD mass burial pit at London Road, and comparing them to those found in the nearby cemetery. Strontium and oxygen isotope analysis demonstrated considerable diversity in the origins of the Gloucester population, with evidence for both UK and n...
http://nora.nerc.ac.uk/8889/
*  Hoyt Carbon Element
... Thread: Hoyt Carbon Element. \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n 11-16-2011, 08:37 PM \r\n \r\n \r\n \r\n \r\n #2 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n redgriffin38 \r\n \r\n \r\n \r\n View Profile\r\n \r\n \r\n \r\n \r\n \r\n View Forum Posts\r\n \r\n \r\n \r\n \r\n \r\n \r\n Private Message\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n Junior Member\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n Join Date Apr 2011 \r\n Location Pembroke Va. \r\n \r\n Posts 10 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n\r\n \r\n \r\n \r\n \r\n \r\n I will consider trade for Mathews Monster 7 Extreme or Helium 28.5 55-65 draw\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n -' + '->\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n ...
http://3dshoots.com/forums/showthread.php?36690-Hoyt-Carbon-Element&p=303185&mode=threaded
*  Identifying sources of nitrogen to Hanalei Bay, Kauai, utilizing the nitrogen isotope signature of m
... acroalgae. USGS Home. Contact USGS. Search USGS. USGS Publications Warehouse. Contact. Explore recent publications by USGS Authors. Browse all of Pubs Warehouse by Publication type and year. FAQS. Web Service Documentation. Other Resources. Descriptions of US Geological Survey Report Series. USGS Publications Warehouse. Explore. Explore recent publications by USGS Authors. Browse all of Pubs Warehouse by Publication type and year. Documentation. FAQS. Web Service Documentation. Other Resources. Descriptions of US Geological Survey Report Series. Contact. Search:. Identifying sources of nitrogen to Hanalei Bay, Kauai, utilizing the nitrogen isotope signature of macroalgae Environmental Science and Technology By:. E Derse, K.L. Knee, Scott D. Wankel, C. Kendall, C.J. Berg Jr., and A. Paytan. DOI: 10.1021/es0700449 Tweet Links More information:. Publisher Index Page via DOI. Download citation as: RIS. Abstract Sewage effluent, storm runoff, discharge from polluted rivers, and inputs of groundwater have all b...
http://pubs.er.usgs.gov/publication/70031016
*  Grazing experiments and stable isotope signatures from Temora longicornis during a time series at
... Helgoland Roads, North Sea: Indication for a shift in feeding strategy - ePIC. Browse. Author. Year. Platform. Organizations. Programs. Research Networks. Type. Search. Simple. Advanced. About. About. Policies. Citation Guide. Login. Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung. Imprint. Contact. OAI. RSS 2.0. EPIC.awi.de. Home. Browse. Author. Year. Platform. Organizations. Programs. Research Networks. Type. Simple. Advanced. About. About. Policies. Citation Guide. Login Login. Grazing experiments and stable isotope signatures from Temora longicornis during a time series at Helgoland Roads, North Sea: Indication for a shift in feeding strategy. Edit Item. HTML Citation ASCII Citation EndNote BibTeX MODS OpenURL ContextObject in Span MPEG-21 DIDL EP3 XML Dublin Core EndNote Simple Metadata. General Information: Citation: Gentsch, E., Kreibich, T., Hansen, B. and Niehoff, B. 2006 : Grazing experiments and stable isotope signatures from Temora longicornis during a time series at...
http://epic.awi.de/15998/
*  Earliest evidence of cat domestication found in China | Ars Technica
by Akshat Rathi - Dec 16, 2013 9:10 pm UTC Share. 61 Reader Comments Post a reply. reply Mon Dec 16, 2013 3:21 pm Reader Fav. 87 posts. registered May 1, 2012. reply Mon Dec 16, 2013 3:27 pm New Poster. Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. JEDIDIAH wrote: Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Chuckstar wrote: Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains,...
http://arstechnica.com/science/2013/12/earliest-evidence-of-cat-domestication-found-in-china/?comments=1&post=25875889
*  Earliest evidence of cat domestication found in China | Ars Technica
by Akshat Rathi - Dec 16, 2013 9:10 pm UTC Share. 61 Reader Comments Post a reply. reply Mon Dec 16, 2013 3:21 pm Reader Fav. 87 posts. registered May 1, 2012. reply Mon Dec 16, 2013 3:27 pm New Poster. Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. JEDIDIAH wrote: Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Chuckstar wrote: Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains,...
http://arstechnica.com/science/2013/12/earliest-evidence-of-cat-domestication-found-in-china/?comments=1&post=25875901
*  Earliest evidence of cat domestication found in China | Ars Technica
by Akshat Rathi - Dec 16, 2013 9:10 pm UTC Share. 61 Reader Comments Post a reply. reply Mon Dec 16, 2013 3:21 pm Reader Fav. 87 posts. registered May 1, 2012. reply Mon Dec 16, 2013 3:27 pm New Poster. Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. JEDIDIAH wrote: Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Chuckstar wrote: Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains,...
http://arstechnica.com/science/2013/12/earliest-evidence-of-cat-domestication-found-in-china/?comments=1&post=25876667
*  Earliest evidence of cat domestication found in China | Ars Technica
by Akshat Rathi - Dec 16, 2013 9:10 pm UTC Share. 61 Reader Comments Post a reply. reply Mon Dec 16, 2013 3:21 pm Reader Fav. 87 posts. registered May 1, 2012. reply Mon Dec 16, 2013 3:27 pm New Poster. Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. JEDIDIAH wrote: Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Chuckstar wrote: Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains,...
http://arstechnica.com/science/2013/12/earliest-evidence-of-cat-domestication-found-in-china/?comments=1&post=25876971
*  Earliest evidence of cat domestication found in China | Ars Technica
by Akshat Rathi - Dec 16, 2013 9:10 pm UTC Share. 61 Reader Comments Post a reply. reply Mon Dec 16, 2013 3:21 pm Reader Fav. 87 posts. registered May 1, 2012. reply Mon Dec 16, 2013 3:27 pm New Poster. Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. JEDIDIAH wrote: Chuckstar wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains, and will proceed instead to use grain stores as a big pile of mouse bait. Chuckstar wrote: Bearologist wrote: frakkingcylons wrote: the ratio of carbon and nitrogen isotopes can also reveal an animal’s diet That's amazing. Cats, however, do not care for grains,...
http://arstechnica.com/science/2013/12/earliest-evidence-of-cat-domestication-found-in-china/?comments=1&post=25877565
*  Did y'all feel that tremor in the time space continuum
Reply With Quote \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n'; pd = '\r\n\r\n\r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n 03-14-2010, 10:44 PM \r\n \r\n \r\n \r\n \r\n #12 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n JAVI \r\n \r\n \r\n \r\n View Profile\r\n \r\n \r\n \r\n \r\n \r\n View Forum Posts\r\n \r\n \r\n \r\n \r\n \r\n \r\n Private Message\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n Senior Member\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n Join Date Sep 2008 \r\n \r\n \r\n Posts 1,636 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Originally Posted by SMOKIN\' DUALLY \r\n. Reply Wi...
http://3dshoots.com/forums/showthread.php?29905-Did-y-all-feel-that-tremor-in-the-time-space-continuum&p=266214&mode=threaded
*  Buck fever custom bow grips
Reply With Quote \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n'; pd = '\r\n\r\n\r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n 01-23-2011, 10:22 AM \r\n \r\n \r\n \r\n \r\n #3 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n hoytkiller26 \r\n \r\n \r\n \r\n View Profile\r\n \r\n \r\n \r\n \r\n \r\n View Forum Posts\r\n \r\n \r\n \r\n \r\n \r\n \r\n Private Message\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n Member\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n Join Date Apr 2010 \r\n \r\n \r\n Posts 49 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n\r\n \r\n \r\n \r\n \r\n \r\n to top i go\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n -' + '->\r\n \r\n \r\n \r\n \r\n \r\n \r\n. Reply With Quote \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\...
http://3dshoots.com/forums/showthread.php?32857-Buck-fever-custom-bow-grips&p=279118&mode=threaded
*  Isotopic signature
... An 'isotopic signature' also 'isotopic fingerprint' is a ratio of non-radiogenic ' stable isotopes ', stable radiogenic isotopes, or unstable radioactive isotopes of particular elements in an investigated material. The ratios of isotopes in a sample material are measured by isotope ratio mass spectrometry. Stable isotopes Carbon isotopes. Nitrogen isotopes. Oxygen isotopes. Radiogenic isotopes Lead isotopes. Solar system origins. Origins of life. Stable isotopes. Carbon isotopes. Similarly, carbon in inorganic carbonate s shows little isotopic fractionation, while carbon in materials originated by photosynthesis is depleted of the heavier isotopes. The ratio of carbon-13 and carbon-12 isotopes in these types of plants is as follows:. Nitrogen isotopes. 5 Oxygen isotopes. Radiogenic isotopes. Lead isotopes. Lead consists of four stable isotopes : 204 Pb, 206 Pb, 207 Pb, and 208 Pb. Radioactive isotopes. Hot particles, radioactive particles of nuclear fallout and radioactive waste, also exhibit distinct is...
https://en.wikipedia.org/wiki/Isotopic_signature
*  Sequence-specific 1H, 13C and 15N backbone resonance assignments of the 34 kDa catalytic domain of
sequence specific h c and n backbone resonance assignments of the kda catalytic domain of human ptpn westminsterresearch home about browse browse by year browse by research community browse by type browse by people browse by full text advanced search latest additions login repository administrators only statistics sequence specific h c and n backbone resonance assignments of the kda catalytic domain of human ptpn jeeves mark and mcclelland darren m and barr alastair j and overduin michael sequence specific h c and n backbone resonance assignments of the kda catalytic domain of human ptpn biomolecular nmr assignments pp issn full text not available from this repository official url http dx doi org s abstract ptpn is a protein tyrosine phosphatase responsible for inactivation of mapk in leukocytes here we report the back...
http://westminsterresearch.wmin.ac.uk/10876/
*  Reflex Caribou
... You are Unregistered, please register to be able to read posts in all forums and participate in the discussion. FORUMS. Free Classifieds - Used Archery Equipment. WTB: Want to Buy Archery Items. Reflex Caribou. Thread: Reflex Caribou. \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n 03-01-2012, 11:39 AM \r\n \r\n \r\n \r\n \r\n #2 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Peteyur \r\n \r\n \r\n \r\n View Profile\r\n \r\n \r\n \r\n \r\n \r\n View Forum Posts\r\n \r\n \r\n \r\n \r\n \r\n \r\n Private Message\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n\r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n Junior Member\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n Join Date Apr 2011 \r\n Location Michigan \r\n \r\n Posts 14 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n\r\n \r\n \r\n \r\n \r\n \r\n I have a Reflex Highlander that will fill all your needs if you are interested.\r\n \r\n ...
http://3dshoots.com/forums/showthread.php?37103-Reflex-Caribou&p=309533&mode=threaded
*  RCAAP - Connectivity between tropical coastal habitats:using stable isotopes in juvenil...
... Description Tese de mestrado, Biologia Biologia e Gest o de Recursos Marinhos, 2008, Universidade de Lisboa, Faculdade de Ci ncias Mangroves and its adjacent coastal systems such as seagrass meadows, muddy and sandy habitats are well known as nurseries areas for numerous species, particularly penaeid shrimps, one of the most important fishery resources in the world. Making use of carbon and nitrogen stable isotope analysis, the present study, conducted at Inhaca Island south of Mozambique in two mangrove fringed bays Saco and Sangala Bays, intended to investigate the biological connectivity within the mangrove and its adjacent coastal habitats sand flat, mud flat and seagrass meadows in terms of feeding areas for four of the most commercially important penaeid shrimps species in Mozambique Metapenaeus monoceros, M. Different potential food sources mangrove leaves, seagrass leaves, epiphytic algae on the mangrove roots and on seagrass leaves, benthic microalgae, plankton, polychaetes, isopods and sediment...
http://rcaap.pt/detail.jsp?id=oai:repositorio.ul.pt:10451/1223
*  Nitrogen isotope
... redirect isotopes of nitrogen...
https://en.wikipedia.org/wiki/Nitrogen_isotope
*  1H, 15N and 13C backbone resonance assignments of the archetypal serpin α1-antitrypsin - BIROn -
... Birkbeck Institutional Research Online. . BIROn - Birkbeck Institutional Research Online. Home. About. Browse by Year. Browse by School. Browse by Person. Browse by Journal. Browse by Types. Login. Create Account. 1H, 15N and 13C backbone resonance assignments of the archetypal serpin α1-antitrypsin. Nyon, Mun Peak and Kirkpatrick, J. and Cabrita, L.D. and Christodoulou, John and Gooptu, Bibek 2012 1H, 15N and 13C backbone resonance assignments of the archetypal serpin α1-antitrypsin. Biomolecular NMR Assignments 6 2, pp. 153-156. ISSN 1874-2718. Full text not available from this repository. Official URL: http://dx.doi.org/10.1007/s12104-011-9345-y. Abstract. Alpha1-antitrypsin is a 45-kDa 394-residue serine protease inhibitor synthesized by hepatocytes, which is released into the circulatory system and protects the lung from the actions of neutrophil elastase via a conformational transition within a dynamic inhibitory mechanism. Relatively common point mutations subvert this transition, causing polymeri...
http://eprints.bbk.ac.uk/4562/
*  Traceability of bovine meat and bone meal in poultry by stable isotope analysis
... This study analyzed samples of major breast muscle Pectoralis major using mass spectrometry of stable isotopes carbon and nitrogen as a means to assess the presence of MBM in broiler diets, a technique that might be used in the certification of poultry quality. Analysis of carbon and nitrogen stable isotopes may be used to ensure feeding with exclusively vegetable diets, and might also be used as a reliable evaluation tool in broiler meat certification. It has not been confirmed whether or not BSE in humans may be caused by the consumption of poultry originated from birds fed diets containing MBM. The difference between the isotope values in the diets and the muscular tissue is due to isotopic fractioning; this is in accordance with DeNiro Epstein 1976 , who reported that an isotopic signature of the animal represents what was consumed until 2 for 13 C and 3 for 15 N. In addition, considering that the different links in the food chain are normally accompanied by enrichment with heavy isotopes DeNiro Epst...
http://scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2006000100010&lng=en&nrm=iso&tlng=en
*  Isotope analysis
... Ecology. The isotopic oxygen ratios, then, of teeth represent the ratios of the region in which the individual was born and raised. Carbon and nitrogen isotope composition are used to reconstruct diet, and oxygen isotopes are used to determine geographic origin and paleoenvironment. It is common to combine elements in isotopic analysis in archaeology to reconstruct diet, change in water source, migration, and cultural interaction. Carbon isotopes enter the food chain as herbivores consume plants, and oxygen isotopes enter the food chain from consuming meteoric water and water from the diet. lead isotope analysis. Ecology. The main elements used in isotope ecology are carbon, nitrogen, oxygen, hydrogen and sulfur. Certain isotopes can signify distinct primary producers forming the bases of food web s and trophic level positioning. Large differences of δ 13 C between animals indicate that they have different food sources or that their food webs are based on different primary producers i.e. Fry found that a...
https://en.wikipedia.org/wiki/Isotope_analysis
*  .. Thread: For Sale Auto Diagnostic Tools Ford VCM IDS only $750 .. \r\n For Sale Au
Register. Forum. Hybrid Cars By Manufacturer. Ford. Ford Escape Hybrid Mercury Mariner Hybrid. For Sale Auto Diagnostic Tools Ford VCM IDS only $750. Forum Today's Posts. Thread: For Sale Auto Diagnostic Tools Ford VCM IDS only $750. Thread Tools. Threaded Mode. \r\n \r\n \r\n \r\n \r\n \n \r\n jason0595 \r\n \r\n \r\n \r\n \r\n View Profile\r\n \r\n \r\n \r\n \r\n \r\n \r\n View Forum Posts\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Private Message\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n\r\n \r\n \r\n \r\n \r\n \n\r\n \n \r\n\r\n \n\r\n \r\n \r\n \r\n Junior Member\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n Join Date Jul 2009 \r\n \r\n \r\n Posts 0 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n For Sale Auto Diagnostic Tools Ford VCM IDS only $750\r\n \r\n \r\n\r\n\r\n \r\n \r\n \r\n \r\n \r\n \r\nHi, I have one set Ford VCM IDS for sale,this one is brand new and good condition. Reply With Quote \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n\r\n \r\n \r\n \r\n \r\n\r\...
http://hybridcars.com/forums/showthread.php?100900-For-Sale-Auto-Diagnostic-Tools-Ford-VCM-IDS-only-750&p=105305&mode=threaded
*  Hydrogen isotope ratios in animal body protein reflect trophic level - NERC Open Research Archive
... nerc.ac.uk. Help. Contact us. Home. About. Browse. Search. Statistics. NERC Staff Login. Hydrogen isotope ratios in animal body protein reflect trophic level. Tools Tools Tools. RDF+XML BibTeX RDF+N-Triples JSON RefWorks Dublin Core Simple Metadata Refer METS Simple Metadata iShare HTML Citation ASCII Citation OpenURL ContextObject EndNote Dublin Core iShare OpenURL ContextObject in Span MODS MPEG-21 DIDL EP3 XML Reference Manager RDF+N3 Multiline CSV. Birchall, Jennifer ; O'Connell, Tamsin C. ; Heaton, Tim H.E. ; Hedges, Robert E.M. 2005 Hydrogen isotope ratios in animal body protein reflect trophic level. Journal of Animal Ecology, 74 5. 877-881. 10.1111/j.1365-2656.2005.00979.x. Full text not available from this repository. Request a copy. Official URL: http://onlinelibrary.wiley.com/doi/10.1111/jae.200... Abstract/Summary 1Carbon and nitrogen isotope ratios in consumer tissues are known to correlate with diet isotope composition, and nitrogen isotope ratios are observed to increase with increasing tr...
http://nora.nerc.ac.uk/18131/
*  I'm sure this has been asked, but...
... You are Unregistered, please register to be able to read posts in all forums and participate in the discussion. HOME. FORUMS. WHAT'S NEW. FIND SHOOTS. Find Shoots. Add Shoots. Shoots Login. REGISTER CLUB. COMMUNITY. Groups. Albums. Member List. QUICK LINKS. Today's Posts. View Site Leaders. Who's Online. Help. SEARCH. Username:. Password:. Remember Me. Not a member. Register. Forum. Archery Forum. Beginners Archery Range. I'm sure this has been asked, but... Hi folks. We have added a new Introduction forum, where new members can introduce themselves. We hope that everyone will stop by occasionally and say hi. Introductions Forum. Results 1 to 5 of 5. Thread: I'm sure this has been asked, but... Thread Tools Show Printable Version. Subscribe to this Thread. Display Switch to Linear Mode. Switch to Hybrid Mode. Threaded Mode. \r\n \r\n\r\n \r\n \r\n\r\n \r\n \r\n \r\n 04-13-2014, 12:30 PM \r\n \r\n \r\n \r\n \r\n #2 \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n bfisher \r\n \r\n \r\...
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*  Ordovician meteoric carbon and oxygen isotopic values: Implications for the latitudinal variations o
... f ancient stable isotopic values. Contact USGS. USGS Publications Warehouse. Contact. Explore recent publications by USGS Authors. Browse all of Pubs Warehouse by Publication type and year. Web Service Documentation. Descriptions of US Geological Survey Report Series. USGS Publications Warehouse. Explore recent publications by USGS Authors. Browse all of Pubs Warehouse by Publication type and year. Web Service Documentation. Descriptions of US Geological Survey Report Series. Contact. Ordovician meteoric carbon and oxygen isotopic values: Implications for the latitudinal variations of ancient stable isotopic values Palaeogeography, Palaeoclimatology, Palaeoecology By:. Abstract Columnar and clear blocky calcite cement from a Middle Ordovician carbonate succession in east Tennessee is interpreted as meteoric in origin. Meteoric fluid ??18O values calculated from clear blocky calcite are ??. Comparison with meteoric ??18O values from Ordovician units elsewhere suggests that the geographic distribution of th...
http://pubs.er.usgs.gov/publication/70021486
*  USGS: Science Topics: light stable isotope analysis
... USGS Home Contact USGS Search USGS. Science Topics. Laboratory methods. Isotopic analysis. Light stable isotope analysis Analytical technique using mass spectrometry to measure the different isotopic forms of low mass light elements such as oxygen, hydrogen, carbon, nitrogen and sulfur that occur in samples. Carbon isotope analysis 5 items. Oxygen isotope analysis 6 items. Tritium analysis 2 items. Fundamentals of stable isotope geochemistry. Reston Stable Isotope Laboratory. The Reston Stable Isotope Laboratory conducts research on the use of isotope ratio measurements in studies of water resources and environmental quality. Carolina slate belt gold deposits in Virginia, North Carolina, South Carolina, and Georgia. Report of research on the Carolina slate belt and gold deposits in Virginia, North Carolina, South Carolina, and Georgia with geologic mapping, mineralogic, geochemical, and fluid evolution studies, radiogenic dating, and stable isotope studies. Devils Hole, Nevada--A Primer. Direct measureme...
http://usgs.gov/science/science.php?term=654&b=0&n=20
*  Ellis, A.S., Johnson, T.M., and Bullen, T.D., 2004, Using chromium stable isotope ratios to quantify
... CR VI reduction - lack of sorption effects: Environmental Science and Technology, v. Ellis, A.S., Johnson, T.M., and Bullen, T.D., 2004, Using chromium stable isotope ratios to quantify CR VI reduction - lack of sorption effects: Environmental Science and Technology, v. Chromium stable isotope values can be effectively used to monitor reduction of Cr VI in natural waters. We investigate effects of sorption during transport of Cr VI which may also shift Cr isotopes values, complicating efforts to quantify reduction. This study shows that Cr stable isotope fractionation caused by sorption is negligible. Equilibrium fractionation of Cr stable isotopes between dissolved Cr VI and Cr VI adsorbed onto g -Al 2 O 3 and goethite is less than 0.04 0/ 00 53 Cr/ 52 Cr under environmentally relevant pH conditions. A simple transport model suggests that adsorption may cause amplification of a small isotope fractionation along extreme fringes of a plume, leading to shifts in 53 Cr/ 52 Cr values. We therefore suggest th...
http://water.usgs.gov/nrp/proj.bib/Publications/ellis.johnson.bullen.2004abstract.html
*  Base-line variations in stable isotope values in an Arctic marine ecosystem: effects of carbon and n
... itrogen uptake by phytoplankton - Springer. Search Options. Advanced Search. Search Help. Search Menu. Sign up / Log in English. Deutsch. Academic edition. Corporate edition. Skip to: Main content Side column. Home. Contact Us. Look Inside. Get Access. Find out how to access preview-only content. Primary research paper. Hydrobiologia September 2009, Volume 630, Issue 1, pp 63-73 First online: 10 May 2009. Base-line variations in stable isotope values in an Arctic marine ecosystem: effects of carbon and nitrogen uptake by phytoplankton. Tobias Tamelander. Affiliated with Department of Aquatic BioSciences, University of Tromsø Norwegian Polar Institute. Email author., Caroline Kivimäe. Affiliated with Bjerknes Centre for Climate Research, University of Bergen National University of Ireland Galway., Richard G. J Bellerby. Affiliated with Bjerknes Centre for Climate Research, University of Bergen Geophysical Institute, University of Bergen., Paul E. Renaud. Affiliated with Akvaplan-niva., Svein Kristiansen. A...
http://link.springer.com/article/10.1007/s10750-009-9780-2
*  Expression of maternal isotopes in offspring: implications for interpreting ontogenetic shifts in is
... otopic composition of consumer tissues. Document Detail. Expression of maternal isotopes in offspring: implications for interpreting ontogenetic shifts in isotopic composition of consumer tissues. MedLine Citation:. When evaluating ontogenetic shifts in isotopic composition of consumer tissues within the context of a dietary analysis, the isotopic starting point of consumers in the population should not be ignored. Neonate isotopic composition may be different from that of juveniles and adults; in general, neonate tissues are built from maternal resources rather than food resources. Thus, the range of isotope values observed within a population of consumers may be significantly impacted by consumer isotope ratios at birth. We quantified isotopic composition of pregnant pigmy rattlesnake scale tissue, isotopic composition of neonate scale tissue and the degree that neonate scale tissue isotopic composition reflected the isotopic composition of maternal scale tissue. Collectively, neonate isotopic compositi...
http://biomedsearch.com/nih/Expression-maternal-isotopes-in-offspring/17558752.html

Diazotroph: Diazotrophs are bacteria and archaea that fix atmospheric nitrogen gas into a more usable form such as ammonia.Isotopic signature: An isotopic signature (also isotopic fingerprint) is a ratio of non-radiogenic 'stable isotopes', stable radiogenic isotopes, or unstable radioactive isotopes of particular elements in an investigated material. The ratios of isotopes in a sample material are measured by isotope ratio mass spectrometry.Nitrogen trichlorideHuman impact on the nitrogen cycleRenal functionNitrotyrosineNitrogen oxide sensor: A nitrogen oxide sensor or NOx sensor is typically a high-temperature device built to detect nitrogen oxides in combustion environments such as an automobile or truck tailpipe or a smokestack.Pii nitrogen regulatory proteinsCarbon–carbon bond: A carbon–carbon bond is a covalent bond between two carbon atoms. The most common form is the single bond: a bond composed of two electrons, one from each of the two atoms.Ammonia transporterPeroxynitrous acidOrganic fertilizer: Organic fertilizers are fertilizers derived from animal matter, human excreta or vegetable matter. (e.Tetramethylammonium chlorideGlutamine synthetaseUrea reduction ratio: For the Scottish river see: Urr WaterIndex of soil-related articles: This is an index of articles relating to soil.MitozolomideVanadium nitrogenaseSymbiosis Center of Health Care: Symbiosis Center of Health Care (SCHC) is an organization under Symbiosis Society which takes care of health of symbiosis family be it student or staff.http://www.Proteinogenic amino acid: Proteinogenic amino acids are amino acids that are precursors to proteins, and are incorporated into proteins cotranslationally — that is, during translation. There are 23 proteinogenic amino acids in prokaryotes (including N-Formylmethionine, mainly used to initiate protein synthesis and often removed afterward), but only 21 are encoded by the nuclear genes of eukaryotes.Endodermis: The endodermis is the central, innermost layer of cortex in some land plants. It is made of compact living cells surrounded by an outer ring of endodermal cells that are impregnated with hydrophobic substances (Casparian Strip) to restrict apoplastic flow of water to the inside.GlutaminePhenylacetyleneCanna Leaf Roller: Cannas are largely free of pests, but in the USA plants sometimes fall victim the Canna Leaf Roller, which can actually be two different insects. Larva of the Brazilian skipper butterfly (Calpodes ethlius), also known as the Larger Canna Leaf Roller, cut the leaves and roll them over to live inside while pupating and eating the leaf.Ferric uptake regulator family: In molecular biology, the ferric uptake regulator (FUR) family of proteins includes metal ion uptake regulator proteins. These are responsible for controlling the intracellular concentration of iron in many bacteria.Allantoic acidHyponitritePhosphorus deficiency: Phosphorus deficiency is a plant disorder associated with insufficient supply of phosphorus. Phosphorus refers here to salts of phosphates (PO43−), monohydrogen phosphate (HPO42−), and dihydrogen phosphate (H2PO4−).Eagle's minimal essential medium: Eagle's minimal essential medium (EMEM) is a cell culture medium developed by Harry Eagle that can be used to maintain cells in tissue culture.Coles PhillipsFNR regulon: The fnr (fumarate and nitrate reductase) gene of Escherichia coli encodes a transcriptional activator (FNR) which is required for the expression of a number of genes involved in anaerobic respiratory pathways. The FNR (Fumarate and Nitrate reductase Regulatory) protein of E.Aerobic denitrification: Aerobic denitrification or co-respiration the simultaneous use of both oxygen (O2) and nitrate (NO3−) as oxidizing agents, performed by various genera of microorganisms. This process differs from anaerobic denitrification not only in its insensitivity to the presence of oxygen, but also in that it has a higher potential to create the harmful byproduct nitrous oxide.Paddock: A paddock has two primary meanings in different parts of the English-speaking world. In Canada, the USA and UK, a paddock is a small enclosure used to keep horses.Photosynthesis: Photosynthesis is a process used by plants and other organisms to convert light energy, normally from the Sun, into chemical energy that can be later released to fuel the organisms' activities. This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water – hence the name photosynthesis, from the Greek [phōs, "light", and σύνθεσις], synthesis, "putting together".Planktothrix: Planktothrix is a genus of filamentous cyanobacteria (often called blue-green algae). P.EcosystemDry matter: The dry matter (or otherwise known as dry weight) is a measurement of the mass of something when completely dried.Table of standard reduction potentials for half-reactions important in biochemistry: The values below are standard reduction potentials for half-reactions measured at 25°C, 1 atmosphere and a pH of 7 in aqueous solution.Acetonedicarboxylic acidExogenous bacteria: Exogenous bacteria are microorganisms introduced to closed biological systems from the external world. They exist in aquatic and terrestrial environments, as well as the atmosphere.Lactic acid fermentationGemmatimonadetes: The Gemmatimonadetes are a family of bacteria, given their own phylum (Gemmatimonadetes). This bacterium makes up about 2% of soil bacterial communities and has been identified as one of the top nine phyla found in soils; yet, there are currently only six cultured isolates.RhizobiaGlutamate dehydrogenase: Glutamate dehydrogenase (GLDH) is an enzyme, present in most microbes and the mitochondria of eukaryotes, as are some of the other enzymes required for urea synthesis, that converts glutamate to α-ketoglutarate, and vice versa. In animals, the produced ammonia is usually used as a substrate in the urea cycle.Nod factorGlycine soja: Glycine soja, or wild soybean (previously G. ussuriensis) is an annual plant in the legume family.P-AnisidineList of countries by carbon dioxide emissionsSilent mutation: Silent mutations are mutations in DNA that do not significantly alter the phenotype of the organism in which they occur. Silent mutations can occur in non-coding regions (outside of genes or within introns), or they may occur within exons.Peat swamp forest: Peat swamp forests are tropical moist forests where waterlogged soil prevents dead leaves and wood from fully decomposing. Over time, this creates a thick layer of acidic peat.Chilalo Agricultural Development Union: Chilalo Agricultural Development Union (CADU) is the first comprehensive package project established in Arsi Zone, Oromia Region, Ethiopia to modernize traditional subsistence agriculture. The major components of the package programmes include fertilizers, ameliorated seeds, farm credits, marketing facilities, better tools and implements, and improved storage facilities.Wujing Zongyao: The Wujing Zongyao (), or the Complete Essentials for the Military Classics, is a Chinese military compendium written from around 1040 to 1044. It contains the earliest known written formulas for gunpowder, made from saltpeter, sulphur, and charcoal, along with many added ingredients.Warner OlandAlkaliphile: Alkaliphiles are a class of extremophilic microbes capable of survival in alkaline (pH roughly 8.5-11) environments, growing optimally around a pH of 10.Manure management: Manure management refers to capture, storage, treatment, and utilization of animal manures in an environmentally sustainable manner. It can be retained in various holding facilities.Index of energy articles: This is an index of energy articles.Lonchocarpus: Lonchocarpus is a plant genus in the legume family (Fabaceae). The species are called lancepods due to their fruit resembling an ornate lance tip or a few beads on a string.Parenteral nutrition: Parenteral nutrition (PN) is feeding a person intravenously, bypassing the usual process of eating and digestion. The person receives nutritional formulae that contain nutrients such as glucose, amino acids, lipids and added vitamins and dietary minerals.Liquid nitrogen vehicle: A liquid nitrogen vehicle is powered by liquid nitrogen, which is stored in a tank. Traditional nitrogen engine designs work by heating the liquid nitrogen in a heat exchanger, extracting heat from the ambient air and using the resulting pressurized gas to operate a piston or rotary motor.Stratosphere: The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere. It is stratified in temperature, with warmer layers higher up and cooler layers farther down.Nitrate reductase (NADPH): Nitrate reductase (NADPH) (, assimilatory nitrate reductase, assimilatory reduced nicotinamide adenine dinucleotide phosphate-nitrate reductase, NADPH-nitrate reductase, assimilatory NADPH-nitrate reductase, triphosphopyridine nucleotide-nitrate reductase, NADPH:nitrate reductase, nitrate reductase (NADPH2), NADPH2:nitrate oxidoreductase) is an enzyme with system name nitrite:NADP+ oxidoreductase. This enzyme catalises the following chemical reactionAir pollution: Air pollution is the introduction of particulates, biological molecules, or other harmful materials into Earth's atmosphere, causing diseases, death to humans, damage to other living organisms such as animals and food crops, or the natural or built environment. Air pollution may come from anthropogenic or natural sources.Mayo Clinic Diet: The Mayo Clinic Diet is a diet created by Mayo Clinic. Prior to this, use of that term was generally connected to fad diets which had no association with Mayo Clinic.Symmetry element: A symmetry element is a point of reference about which symmetry operations can take place. In particular, symmetry elements can be centers of inversion, axes of rotation and mirror planes.Volumetric heat capacity: Volumetric heat capacity (VHC), also termed volume-specific heat capacity, describes the ability of a given volume of a substance to store internal energy while undergoing a given temperature change, but without undergoing a phase transition. It is different from specific heat capacity in that the VHC is a 'per unit volume' measure of the relationship between thermal energy and temperature of a material, while the specific heat is a 'per unit mass' measure (or occasionally per molar quantity of the material).Southern corn leaf blight: Southern corn leaf blight (SCLB) is a fungal disease of maize caused by the plant pathogen Bipolaris maydis (also known as Cochliobolus heterostrophus in its teleomorph state).Essential amino acid: An essential amino acid or indispensable amino acid is an amino acid that cannot be synthesized de novo (from scratch) by the organism, but must be supplied in its diet. The nine amino acids humans cannot synthesize are phenylalanine, valine, threonine, tryptophan, methionine, leucine, isoleucine, lysine, and histidine (i.Panicum coloratum: Panicum coloratum is a species of grass known by the common names kleingrass, blue panicgrassPanicum coloratum. Tropical Forages.Zinc ammonium chloride: Zinc ammonium chloride, also known as diammonium tetrachlorozincate(2-) (IUPAC name), is a zinc salt commonly used as a flux in the process of hot-dip galvanizing. The CAS registry number is 14639-97-5.Arteriovenous oxygen difference: The arteriovenous oxygen difference, or a-vO2 diff, is the difference in the oxygen content of the blood between the arterial blood and the venous blood. It is an indication of how much oxygen is removed from the blood in capillaries as the blood circulates in the body.Temporal analysis of products: Temporal Analysis of Products (TAP), (TAP-2), (TAP-3) is an experimental technique for studyingGlucose-methanol-choline oxidoreductase family: In molecular biology, the glucose-methanol-choline oxidoreductase family (GMC oxidoreductase) is a family of enzymes with oxidoreductase activity.Nitrous oxide and oxygen: A mix of nitrous oxide 50% and oxygen 50% is a medical analgesic gas, commonly known as Entonox (a registered trademark of BOC) or Nitronox, or colloquially as "gas and air", and is frequently used in pre-hospital care, childbirth and emergency medicine situations by medical professionals such as doctors, nurses, midwives and paramedics.Matrix model: == Mathematics and physics ==Deep chlorophyll maximum: A deep chlorophyll maximum (DCM) is a subsurface maximum in the concentration of chlorophyll in the ocean or a lake. A DCM is not always present--sometimes there is more chlorophyll at the surface than at any greater depth--but it is a common feature of most aquatic ecosystems.Plant breeders' rights: Plant breeders' rights (PBR), also known as plant variety rights (PVR), are rights granted to the breeder of a new variety of plant that give the breeder exclusive control over the propagating material (including seed, cuttings, divisions, tissue culture) and harvested material (cut flowers, fruit, foliage) of a new variety for a number of years.Ozone Action Day: An Ozone Action Day, which can be declared by a local municipality, county or state, is observed at certain times during the summer months, when weather conditions (such as heat, humidity, and air stagnation) run the risk of causing health problems.

(1/6983) Surfactant protein A suppresses reactive nitrogen intermediates by alveolar macrophages in response to Mycobacterium tuberculosis.

Mycobacterium tuberculosis attaches to, enters, and replicates within alveolar macrophages (AMs). Our previous studies suggest that surfactant protein A (SP-A) can act as a ligand in the attachment of M. tuberculosis to AMs. Reactive nitrogen intermediates (RNIs) play a significant role in the killing of mycobacteria. We have demonstrated that RNI levels generated by AMs were significantly increased when interferon-gamma-primed AMs were incubated with M. tuberculosis. However, the RNI levels were significantly suppressed in the presence of SP-A (10 microg/ml). The specificity of SP-A's effect was demonstrated by the use of F(ab')2 fragments of anti-SP-A monoclonal antibodies and by the use of mannosyl-BSA, which blocked the suppression of RNI levels by SP-A. Furthermore, incubation of deglycosylated SP-A with M. tuberculosis failed to suppress RNI by AMs, suggesting that the oligosaccharide component of SP-A, which binds to M. tuberculosis, is necessary for this effect. These results show that SP-A-mediated binding of M. tuberculosis to AMs significantly decreased RNI levels, suggesting that this may be one mechanism by which M. tuberculosis diminishes the cytotoxic response of activated AMs.  (+info)

(2/6983) Effects of nucleoside analog incorporation on DNA binding to the DNA binding domain of the GATA-1 erythroid transcription factor.

We investigate here the effects of the incorporation of the nucleoside analogs araC (1-beta-D-arabinofuranosylcytosine) and ganciclovir (9-[(1,3-dihydroxy-2-propoxy)methyl] guanine) into the DNA binding recognition sequence for the GATA-1 erythroid transcription factor. A 10-fold decrease in binding affinity was observed for the ganciclovir-substituted DNA complex in comparison to an unmodified DNA of the same sequence composition. AraC substitution did not result in any changes in binding affinity. 1H-15N HSQC and NOESY NMR experiments revealed a number of chemical shift changes in both DNA and protein in the ganciclovir-modified DNA-protein complex when compared to the unmodified DNA-protein complex. These changes in chemical shift and binding affinity suggest a change in the binding mode of the complex when ganciclovir is incorporated into the GATA DNA binding site.  (+info)

(3/6983) Effects of the Chinese traditional medicine mao-bushi-saishin-to on therapeutic efficacy of a new benzoxazinorifamycin, KRM-1648, against Mycobacterium avium infection in mice.

The Chinese traditional medicine mao-bushi-saishin-to (MBST), which has anti-inflammatory effects and has been used to treat the common cold and nasal allergy in Japan, was examined for its effects on the therapeutic activity of a new benzoxazinorifamycin, KRM-1648 (KRM), against Mycobacterium avium complex (MAC) infection in mice. In addition, we examined the effects of MBST on the anti-MAC activity of murine peritoneal macrophages (M phi s). First, MBST significantly increased the anti-MAC therapeutic activity of KRM when given to mice in combination with KRM, although MBST alone did not exhibit such effects. Second, MBST treatment of M phi s significantly enhanced the KRM-mediated killing of MAC bacteria residing in M phi s, although MBST alone did not potentiate the M phi anti-MAC activity. MBST-treated M phi s showed decreased levels of reactive nitrogen intermediate (RNI) release, suggesting that RNIs are not decisive in the expression of the anti-MAC activity of such M phi populations. MBST partially blocked the interleukin-10 (IL-10) production of MAC-infected M phi s without affecting their transforming growth factor beta (TGF-beta)-producing activity. Reverse transcription-PCR analysis of the lung tissues of MAC-infected mice at weeks 4 and 8 after infection revealed a marked increase in the levels of tumor necrosis factor alpha, gamma interferon (IFN-gamma), IL-10, and TGF-beta mRNAs. KRM treatment of infected mice tended to decrease the levels of the test cytokine mRNAs, except that it increased TGF-beta mRNA expression at week 4. MBST treatment did not affect the levels of any cytokine mRNAs at week 8, while it down-regulated cytokine mRNA expression at week 4. At week 8, treatment of mice with a combination of KRM and MBST caused a marked decrease in the levels of the test cytokines mRNAs, especially IL-10 and IFN-gamma mRNAs, although such effects were obscure at week 4. These findings suggest that down-regulation of the expression of IL-10 and TGF-beta is related to the combined therapeutic effects of KRM and MBST against MAC infection.  (+info)

(4/6983) Steady-state nitrogen isotope effects of N2 and N2O production in Paracoccus denitrificans.

Nitrogen stable-isotope compositions (delta15N) can help track denitrification and N2O production in the environment, as can knowledge of the isotopic discrimination, or isotope effect, inherent to denitrification. However, the isotope effects associated with denitrification as a function of dissolved-oxygen concentration and their influence on the isotopic composition of N2O are not known. We developed a simple steady-state reactor to allow the measurement of denitrification isotope effects in Paracoccus denitrificans. With [dO2] between 0 and 1.2 microM, the N stable-isotope effects of NO3- and N2O reduction were constant at 28.6 per thousand +/- 1.9 per thousand and 12.9 per thousand +/- 2.6 per thousand, respectively (mean +/- standard error, n = 5). This estimate of the isotope effect of N2O reduction is the first in an axenic denitrifying culture and places the delta15N of denitrification-produced N2O midway between those of the nitrogenous oxide substrates and the product N2 in steady-state systems. Application of both isotope effects to N2O cycling studies is discussed.  (+info)

(5/6983) Experiment of nitrox saturation diving with trimix excursion.

Depth limitations to diving operation with air as the breathing gas are well known: air density, oxygen toxicity, nitrogen narcosis and requirement for decompression. The main objectives of our experiment were to assess the decompression, counterdiffusion and performance aspect of helium-nitrogen-oxygen excursions from nitrox saturation. The experiment was carried out in a wet diving stimulator with "igloo" attached to a 2-lock living chamber. Four subjects of two teams of 2 divers were saturated at 25 msw simulated depth in a nitrogen oxygen chamber environment for 8 days, during which period they performed 32 divers-excursions to 60 or 80 msw pressure. Excursion gas mix was trimix of 14.6% oxygen, 50% helium and 35.4% nitrogen, which gave a bottom oxygen partial pressure of 1.0 bars at 60 msw and 1.3 at 80 msw. Excursions were for 70 min at 60 msw with three 10-min work periods and 40 min at 80 msw with two 10-min work periods. Work was on a bicycle ergometer at a moderate level. We calculated the excursion decompression with M-Values based on methods of Hamilton (Hamilton et al., 1990). Staged decompression took 70 min for the 60 msw excursion and 98 min for 80 msw, with stops beginning at 34 or 43 msw respectively. After the second dive day bubbles were heard mainly in one diver but in three divers overall, to Spencer Grade III some times. No symptoms were reported. Saturation decompression using the Repex procedures began at 40 msw and was uneventful: Grade II and sometimes III bubbles persisted in 2 of the four divers until 24 hr after surfacing. We conclude that excursions with mixture rich in helium can be performed effectively to as deep as 80 msw using these procedures.  (+info)

(6/6983) Nitrogen retention by lambs fed oscillating dietary protein concentrations.

Nitrogen excreted by beef cattle can be retained in manure or lost by volatilization to the atmosphere or by runoff and percolation into surface or ground water. Increasing the retention of dietary N should decrease environmental losses. To this end, the effects of oscillating concentrations of dietary CP on nutrient retention were determined using lambs fed a 90% concentrate diet. Ten St. Croix lambs (average BW = 27 kg) were used in two 5x5 Latin square experiments. Dietary treatments were as follows: 1) 10% CP, 2) 12.5% CP, 3) 15% CP, 4) 10% and 15% CP diets oscillated at 24-h intervals, and 5) 10% and 15% CP diets oscillated at 48-h intervals. Supplemental N was provided by cottonseed meal in Trial 1 and by a 50:50 (N basis) blend of cottonseed meal and urea in Trial 2. Each period of the Latin square lasted 35 d, with excreta collection the final 8 d. Nitrogen retention increased linearly (P<.01) with increasing N intake in both trials (.77, 1.33, and 1.89 g/d for 10, 12.5, and 15% CP, respectively, in Trial 1; .94, 1.78, and 2.19 g/d for 10, 12.5, and 15% CP, respectively, in Trial 2). Compared with continuously feeding the 12.5% CP diet, oscillating the 10 and 15% CP diets on a 24-h basis did not affect N retention (P>.10) in either trial (1.62 and 1.56 g/d for Trials 1 and 2, respectively). Oscillating dietary CP at 48-h intervals did not affect N retention in Trial 2 (1.82 g/d) but increased (P<.05) N retention by 38% in Trial 1 (1.87 g/d). Phosphorus, K, and Na retention and excretion were not affected by dietary treatments in Trial 1. In Trial 2, P retention increased (linear, P<.05) with increasing dietary CP and was greater (P<.05) in lambs on the 48-h oscillation treatment than in lambs fed the 12.5% CP diet. These results suggest that oscillating the dietary CP concentrations might potentially increase the utilization of N by ruminants fed high-concentrate diets.  (+info)

(7/6983) A comparative chemical and histochemical study of the chondrodystrophoid and nonchondrodystrophoid canine intervertebral disc.

The chemical composition of the intervertebral disc of 9-month-old chondrodystrophoid and nonchondrodystrophoid dogs was studied for collagen, noncollagenous protein and glycosaminoglycan. Content of these substances differed significantly between breeds. The differences were most marked in the nucleus pulposus; the noncollagenous protein content of the nonchondrodystrophoid breed was higher than in that of the chondrodystrophoid dogs. The total nitrogen value of the nonchondrodystrophoid nuclei pulposi was less than that of the corresponding chondrodystrophoid discs mainly because of the high collagen content of the latter discs. Histochemically, it was found that the nuclei pulposi of the nonchondrodystrophoid breed contains larger amounts of glycosaminoglycan than in the discs of the chondrodystrophoid breeds.  (+info)

(8/6983) Kinetic impairment of nitrogen and muscle glutamine metabolisms in old glucocorticoid-treated rats.

Aged rats are more sensitive to injury, possibly through an impairment of nitrogen and glutamine (Gln) metabolisms mediated by glucocorticoids. We studied the metabolic kinetic response of adult and old rats during glucocorticoid treatment. The male Sprague-Dawley rats were 24 or 3 mo old. Both adult and old rats were divided into 7 groups. Groups labeled G3, G5, and G7 received, by intraperitoneal injection, 1.50 mg/kg of dexamethasone (Dex) for 3, 5, and 7 days, respectively. Groups labeled G3PF, G5PF, and G7PF were pair fed to the G3, G5, or G7 groups and were injected with an isovolumic solution of NaCl. One control group comprised healthy rats fed ad libitum. The response to aggression induced specifically by Dex (i.e., allowing for variations in pair-fed controls) appeared later in the aged rats (decrease in nitrogen balance from day 1 in adults but only from day 4 in old rats). The adult rats rapidly adapted to Dex treatment, whereas the catabolic state worsened until the end of treatment in the old rats. Gln homeostasis was not maintained in the aged rats; despite an early increase in muscular Gln synthetase activity, the Gln pool was depleted. These results suggest a kinetic impairment of both nitrogen and muscle Gln metabolisms in response to Dex with aging.  (+info)


How long should a liquid nitrogen applied wart take to scab up?


Hi,

Went to the doctors yesterdya. He repeatedly applied liquid nitrogen with q tips to a wart on my left finger. He said it should take 3 weeks to scab up and fall off? Does anyone have personal experience or knowledge of this? I know he is probably right but I just want other opinions.
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Yes, your doctor is right. It usually takes 2-3 weeks. Be patient and do not scratch it.


How much ml of liquid nitrogen to use for 1 popcornsicle?


I'd like to buy a dewar, I want to figure out how much liquid nitrogen to use for the whole day.
What's the ideal size of dewar for a restaurant?
Is it safe to store dewar in room temperature?
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I don't have the slightest idea what you're talking about.


What is the difference between Protein nitrogen and protein mix?


I just bought some Whey protein and see in the nutrition chart two entries for Protein.
One is Protein Nitrogen - 49.5 gms per 100 gms of powder
The second is Protein mix - 76.5 gms per 100 gms of powder
What is the difference between the two?
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Forget about them. You don't need either so you're just wasting your time.

They are junk names for junk supplements and don't mean anything. Supplements for bodybuilding and fat burning are all about marketing to screw you out of your money. Supplements makers are constantly making up new mixes of worthless ingredients and packaging them so you'll think there is something new out there which will work better. They do things like make two supplements, one for men and one for women with exactly the same crap inside the package.

Check out this list of over 60 dangerous supplement products sold with bogus advertising claims which scam-site bodybuilding.com was forced to recall and take off the market --> http://www.usrecallnews.com/2009/11/bodybuilding-com-supplements-recalled-may-contain-steroids.html . Do you really think the world needs 60 different suppelements to build muscle? Of course 60 is just the tip of the ice berg and there are many more than that.

Here are the ingredients in one Hydroxycut product: Green tea extract, caffeine, xanthinol nicotinate, yohimbe HCI, black tea extract, Wu Long tea extract and Rooibos tea extract, cissus quadrangularis extract, aralia mandschurica powder, soy isoflavones, rose hips powder, hibiscus powder, garcinia cambogia extract, L-lycine HCI, diacylglycerol, dandelion powder, juniper powder, terminalia chebula powder, angelica keiskei powder, mangosteen extract, chaste extract, citrus complex, bitter melon powder, black plum powder, soy phospholipids, raspberry extract and policosanol.

So, do you really think black plum powder or bitter melon powder are going to help people burn fat?? How about that Wu Long tea? Sounds like a real fat burner, huh? 

Supplements are scams. Stay away from them.

Good luck and good health!!




What type of bandage to use after liquid nitrogen wart removal?


I just got my wart removed with liquid nitrogen. Does it matter what type of bandage I use?? I bought a bandage that is all adhesive. It is a bandage primarily for blisters. It doesnt breathe at all. It is meant to last for a long period of time. The band aid us called band-aid advanced healing blister
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I think it is fine. You can double-check with a pharmacist.


How many liquid nitrogen treatments do you need before my HPV wart goes away?


I have discovered several warts on my vagina and went to the clinic. I decided on receiving the liquid nitrogen treatment. To date, I have had two treatments and they are still here. I am going to weekly... 

What are your thoughts?
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Sometimes it takes several treatments for visible warts to regress.

If your insurance will approve Aldara....I would probably consider this prescription med since it is a treatment that you can use at home and works with your immune system to help clear visible warts.
Aldara can cause some side affects….just use the cream sparingly and use some like diaper rash cream to protect the skin around the warts.   



How can we put desired amounts of nitrogen gas into the canned ice tea before sealing?


In canned ice tea production we use nitrogen gas for the medium gas and eliminating flavour degredation and oxidation.But ice tea, a  more clear product, does not accepts desired amounts (4-5 atm) of nitrogen gas as peach juice does.Therefore, the cannes are not formed rigid shape.They are loose and lots of cans are being thrown.
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Add some CO2, which dissolves readily. It will give the tea a nice effervescence.


Why are oxides of nitrogen less likely to form in a lean burn engine?


Lean burn engines mix the petrol with more air than usual. One effect of this is to reduce the operating temperature of the engine. Why are oxides of nitrogen less likely to form in a 'lean burn' engine?
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You might want to post this is a cars forum for good answers. This is a pregnancy and parenting forum.


Whats the difference between liquid nitrogen and dried ice?


and where can you buy liquid nitrogen?
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Dry ice is carbon dioxide and is -78.5 degrees C, and  -109.3 degrees F.

Liquid nitrogen is -196 degrees C, and -321 degrees F.

If you buy liquid nitrogen, you will need a special container to store it in, because it evaporates very rapidly.

Both can cause extremely serious burns and you need gloves and tongs to even handle them.

Purchases can be made at an industrial and medical gasses plant or distributor.  Check the internet, or yellow pages.  

Incidentially, the medications that "freeze" warts in the drug store are not liquid nitrogen.  They are a mixture of gasses that are under high pressure, and drop their temperature tremendously when the pressure is released and they "boil" off.  This causes anything they are in contact with to freeze.

Be very careful with any of this stuff!  It is as dangerous as an open flame, when touched with bare skin.