Trifluoroacetic Acid: A very strong halogenated derivative of acetic acid. It is used in acid catalyzed reactions, especially those where an ester is cleaved in peptide synthesis.Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed)Chromatography, High Pressure Liquid: Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed.Fluoroacetates: Derivatives of acetic acid with one or more fluorines attached. They are almost odorless, difficult to detect chemically, and very stable. The acid itself, as well as the derivatives that are broken down in the body to the acid, are highly toxic substances, behaving as convulsant poisons with a delayed action. (From Miall's Dictionary of Chemistry, 5th ed)Spectrophotometry, Ultraviolet: Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, for example Cl2, SO2, NO2, CS2, ozone, mercury vapor, and various unsaturated compounds. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)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)Chromatography, Liquid: Chromatographic techniques in which the mobile phase is a liquid.Reproducibility of Results: The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.Chromatography, Reverse-Phase: A chromatography technique in which the stationary phase is composed of a non-polar substance with a polar mobile phase, in contrast to normal-phase chromatography in which the stationary phase is a polar substance with a non-polar mobile phase.Tandem Mass Spectrometry: A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the precursor ions are mass-selected by a first mass analyzer, and focused into a collision region where they are then fragmented into product ions which are then characterized by a second mass analyzer. A variety of techniques are used to separate the compounds, ionize them, and introduce them to the first mass analyzer. For example, for in GC-MS/MS, GAS CHROMATOGRAPHY-MASS SPECTROMETRY is involved in separating relatively small compounds by GAS CHROMATOGRAPHY prior to injecting them into an ionization chamber for the mass selection.Galactitol: A naturally occurring product of plants obtained following reduction of GALACTOSE. It appears as a white crystalline powder with a slight sweet taste. It may form in excess in the lens of the eye in GALACTOSEMIAS, a deficiency of GALACTOKINASE.Aldehyde Reductase: An enzyme that catalyzes reversibly the oxidation of an aldose to an alditol. It possesses broad specificity for many aldoses. EC 1.1.1.21.Diabetic Retinopathy: Disease of the RETINA as a complication of DIABETES MELLITUS. It is characterized by the progressive microvascular complications, such as ANEURYSM, interretinal EDEMA, and intraocular PATHOLOGIC NEOVASCULARIZATION.Imidazolidines: Compounds based on reduced IMIDAZOLINES which contain no double bonds in the ring.Retina: The ten-layered nervous tissue membrane of the eye. It is continuous with the OPTIC NERVE and receives images of external objects and transmits visual impulses to the brain. Its outer surface is in contact with the CHOROID and the inner surface with the VITREOUS BODY. The outer-most layer is pigmented, whereas the inner nine layers are transparent.Sorbitol: A polyhydric alcohol with about half the sweetness of sucrose. Sorbitol occurs naturally and is also produced synthetically from glucose. It was formerly used as a diuretic and may still be used as a laxative and in irrigating solutions for some surgical procedures. It is also used in many manufacturing processes, as a pharmaceutical aid, and in several research applications.Retinal DiseasesDiabetes Mellitus, Experimental: Diabetes mellitus induced experimentally by administration of various diabetogenic agents or by PANCREATECTOMY.Sugar Alcohol Dehydrogenases: Reversibly catalyzes the oxidation of a hydroxyl group of sugar alcohols to form a keto sugar, aldehyde or lactone. Any acceptor except molecular oxygen is permitted. Includes EC 1.1.1.; EC 1.1.2. and EC 1.1.99.Diabetes Mellitus, Type 2: A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.Patents as Topic: Exclusive legal rights or privileges applied to inventions, plants, etc.Methylcellulose: Methylester of cellulose. Methylcellulose is used as an emulsifying and suspending agent in cosmetics, pharmaceutics and the chemical industry. It is used therapeutically as a bulk laxative.2-Amino-5-phosphonovalerate: The D-enantiomer is a potent and specific antagonist of NMDA glutamate receptors (RECEPTORS, N-METHYL-D-ASPARTATE). The L form is inactive at NMDA receptors but may affect the AP4 (2-amino-4-phosphonobutyrate; APB) excitatory amino acid receptors.Foramen Ovale, Patent: A condition in which the FORAMEN OVALE in the ATRIAL SEPTUM fails to close shortly after birth. This results in abnormal communications between the two upper chambers of the heart. An isolated patent ovale foramen without other structural heart defects is usually of no hemodynamic significance.Sulfadimethoxine: A sulfanilamide that is used as an anti-infective agent.Acrylamides: Colorless, odorless crystals that are used extensively in research laboratories for the preparation of polyacrylamide gels for electrophoresis and in organic synthesis, and polymerization. Some of its polymers are used in sewage and wastewater treatment, permanent press fabrics, and as soil conditioning agents.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.Carcinogens: Substances that increase the risk of NEOPLASMS in humans or animals. Both genotoxic chemicals, which affect DNA directly, and nongenotoxic chemicals, which induce neoplasms by other mechanism, are included.Nitrosamines: A class of compounds that contain a -NH2 and a -NO radical. Many members of this group have carcinogenic and mutagenic properties.Aminobutyrates: Derivatives of BUTYRIC ACID that contain one or more amino groups attached to the aliphatic structure. Included under this heading are a broad variety of acid forms, salts, esters, and amides that include the aminobutryrate structure.Thymine Nucleotides: Phosphate esters of THYMIDINE in N-glycosidic linkage with ribose or deoxyribose, as occurs in nucleic acids. (From Dorland, 28th ed, p1154)Deoxyribonucleotides: A purine or pyrimidine base bonded to a DEOXYRIBOSE containing a bond to a phosphate group.Kinetics: The rate dynamics in chemical or physical systems.Substrate Specificity: A characteristic feature of enzyme activity in relation to the kind of substrate on which the enzyme or catalytic molecule reacts.Thymidine Kinase: An enzyme that catalyzes the conversion of ATP and thymidine to ADP and thymidine 5'-phosphate. Deoxyuridine can also act as an acceptor and dGTP as a donor. (From Enzyme Nomenclature, 1992) EC 2.7.1.21.Adenosine Triphosphate: An adenine nucleotide containing three phosphate groups esterified to the sugar moiety. In addition to its crucial roles in metabolism adenosine triphosphate is a neurotransmitter.Nucleosides: Purine or pyrimidine bases attached to a ribose or deoxyribose. (From King & Stansfield, A Dictionary of Genetics, 4th ed)ThymidineDatabases, Pharmaceutical: Databases devoted to knowledge about PHARMACEUTICAL PRODUCTS.Pharmacological Processes: The metabolism of drugs and their mechanisms of action.Petroleum: Naturally occurring complex liquid hydrocarbons which, after distillation, yield combustible fuels, petrochemicals, and lubricants.Great BritainNetherlands: Country located in EUROPE. It is bordered by the NORTH SEA, BELGIUM, and GERMANY. Constituent areas are Aruba, Curacao, Sint Maarten, formerly included in the NETHERLANDS ANTILLES.Polymers: Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS).Coordination Complexes: Neutral or negatively charged ligands bonded to metal cations or neutral atoms. The number of ligand atoms to which the metal center is directly bonded is the metal cation's coordination number, and this number is always greater than the regular valence or oxidation number of the metal. A coordination complex can be negative, neutral, or positively charged.Disclosure: Revealing of information, by oral or written communication.Pyran Copolymer: Copolymer of divinyl ether and maleic anhydride that acts as an immunostimulant with antineoplastic and anti-infective properties. It is used in combination with other antineoplastic agents.Acrylic ResinsDurapatite: The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.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)Osteoporosis: Reduction of bone mass without alteration in the composition of bone, leading to fractures. Primary osteoporosis can be of two major types: postmenopausal osteoporosis (OSTEOPOROSIS, POSTMENOPAUSAL) and age-related or senile osteoporosis.Tooth: One of a set of bone-like structures in the mouth used for biting and chewing.Bone and Bones: A specialized CONNECTIVE TISSUE that is the main constituent of the SKELETON. The principle cellular component of bone is comprised of OSTEOBLASTS; OSTEOCYTES; and OSTEOCLASTS, while FIBRILLAR COLLAGENS and hydroxyapatite crystals form the BONE MATRIX.Osteoporosis, Postmenopausal: Metabolic disorder associated with fractures of the femoral neck, vertebrae, and distal forearm. It occurs commonly in women within 15-20 years after menopause, and is caused by factors associated with menopause including estrogen deficiency.Bone Density: The amount of mineral per square centimeter of BONE. This is the definition used in clinical practice. Actual bone density would be expressed in grams per milliliter. It is most frequently measured by X-RAY ABSORPTIOMETRY or TOMOGRAPHY, X RAY COMPUTED. Bone density is an important predictor for OSTEOPOROSIS.Bone Remodeling: The continuous turnover of BONE MATRIX and mineral that involves first an increase in BONE RESORPTION (osteoclastic activity) and later, reactive BONE FORMATION (osteoblastic activity). The process of bone remodeling takes place in the adult skeleton at discrete foci. The process ensures the mechanical integrity of the skeleton throughout life and plays an important role in calcium HOMEOSTASIS. An imbalance in the regulation of bone remodeling's two contrasting events, bone resorption and bone formation, results in many of the metabolic bone diseases, such as OSTEOPOROSIS.Bone Resorption: Bone loss due to osteoclastic activity.Bone Density Conservation Agents: Agents that inhibit BONE RESORPTION and/or favor BONE MINERALIZATION and BONE REGENERATION. They are used to heal BONE FRACTURES and to treat METABOLIC BONE DISEASES such as OSTEOPOROSIS.Cataract: Partial or complete opacity on or in the lens or capsule of one or both eyes, impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or etiology (cause and time of occurrence). (Dorland, 27th ed)Lens, Crystalline: A transparent, biconvex structure of the EYE, enclosed in a capsule and situated behind the IRIS and in front of the vitreous humor (VITREOUS BODY). It is slightly overlapped at its margin by the ciliary processes. Adaptation by the CILIARY BODY is crucial for OCULAR ACCOMMODATION.Glycosylation End Products, Advanced: Products derived from the nonenzymatic reaction of GLUCOSE and PROTEINS in vivo that exhibit a yellow-brown pigmentation and an ability to participate in protein-protein cross-linking. These substances are involved in biological processes relating to protein turnover and it is believed that their excessive accumulation contributes to the chronic complications of DIABETES MELLITUS.L-Iditol 2-Dehydrogenase: An alcohol oxidoreductase which catalyzes the oxidation of L-iditol to L-sorbose in the presence of NAD. It also acts on D-glucitol to form D-fructose. It also acts on other closely related sugar alcohols to form the corresponding sugar. EC 1.1.1.14Blindness: The inability to see or the loss or absence of perception of visual stimuli. This condition may be the result of EYE DISEASES; OPTIC NERVE DISEASES; OPTIC CHIASM diseases; or BRAIN DISEASES affecting the VISUAL PATHWAYS or OCCIPITAL LOBE.Cataract Extraction: The removal of a cataractous CRYSTALLINE LENS from the eye.Crystallins: A heterogeneous family of water-soluble structural proteins found in cells of the vertebrate lens. The presence of these proteins accounts for the transparency of the lens. The family is composed of four major groups, alpha, beta, gamma, and delta, and several minor groups, which are classed on the basis of size, charge, immunological properties, and vertebrate source. Alpha, beta, and delta crystallins occur in avian and reptilian lenses, while alpha, beta, and gamma crystallins occur in all other lenses.

H14[NaP5W30O110] as a heterogeneous recyclable catalyst for the air oxidation of thiols under solvent free conditions. (1/5)

The catalytic oxidation of thiols to the corresponding disulfides using Preyssler's catalyst H(14)[NaP(5)W(30)O(110)] has been studied. These highly selective oxidations gave good yields of the target disulfides.  (+info)

Evaluation of polyphenolic profile and nutritional value of non-traditional fruit species in the Czech Republic--a comparative study. (2/5)

 (+info)

P6981, an arylstibonic acid, is a novel low nanomolar inhibitor of cAMP response element-binding protein binding to DNA. (3/5)

 (+info)

Atmospheric acid gases in Tokushima, Japan, monitored with parallel plate wet denuder coupled ion chromatograph. (4/5)

During the summer of 2011 and winter of 2012, we continuously measured trace acid gas concentrations in Tokushima, Japan, using a parallel plate wet denuder coupled ion chromatograph. The average concentrations of hydrochloric acid (HCl), nitrous acid (HONO), nitric acid (HNO(3)), and sulfur dioxide (SO(2)) were, respectively, 0.54, 1.20, 1.17, and 3.22 mug m(-3) in the summer, and 0.09, 1.06, 0.46, and 5.11 mug m(-3) in the winter. In the summer, concentrations of all the acid gases increased after sunrise and showed a strong diurnal pattern with daytime maxima and nighttime minima, but the time at which concentration levels began to increase and the pace of increase differed among the acid gases. The concentration of HONO increased sharply immediately after sunrise, while concentrations of the other three gases began increasing about one and half hours later. SO(2) showed the fastest rate of increase, followed by HNO(3) and HCl. These differences were likely attributable to the formation processes of gaseous substances.  (+info)

A low pH-inducible, PhoPQ-dependent acid tolerance response protects Salmonella typhimurium against inorganic acid stress. (5/5)

The acid tolerance response enables Salmonella typhimurium to survive exposures to potentially lethal acidic environments. The acid stress imposed in a typical assay for acid tolerance (log-phase cells in minimal glucose medium) was shown to comprise both inorganic (i.e., low pH) and organic acid components. A gene previously determined to affect acid tolerance, atbR, was identified as pgi, the gene encoding phosphoglucoisomerase. Mutations in pgi were shown to increase acid tolerance by preventing the synthesis of organic acids. Protocols designed to separate the stresses of inorganic from organic acids revealed that the regulators sigma38 (RpoS), Fur, and Ada have major effects on tolerance to organic acid stress but only minor effects on inorganic acid stress. In contrast, the two-component regulatory system PhoP (identified as acid shock protein ASP29) and PhoQ proved to be important for tolerance to inorganic [corrected] acid stress but had little effect against organic acid stress. PhoP mutants also failed to induce four ASPs, confirming a role for this regulator in acid tolerance. Acid shock induction of PhoP appears to occur at the transcriptional level and requires the PhoPQ system. Furthermore, induction by acid occurs even in the presence of high concentrations of magnesium, the ion known to be sensed by PhoQ. These results suggest that PhoQ can sense both Mg2+ and pH. Since phoP mutants are avirulent, the low pH activation of this system has important implications concerning the pathogenesis of S. typhimurium. The involvement of four regulators, two of which are implicated in virulence, underscores the complexity of the acid tolerance stress response and further suggests that features of acid tolerance and virulence are interwoven.  (+info)

*Biginelli reaction

The Biginelli reaction is a multiple-component chemical reaction that creates 3,4-dihydropyrimidin-2(1H)-ones 4 from ethyl acetoacetate 1, an aryl aldehyde (such as benzaldehyde 2), and urea 3. It is named for the Italian chemist Pietro Biginelli. This reaction was developed by Pietro Biginelli in 1891. The reaction can be catalyzed by Brønsted acids and/or by Lewis acids such as copper(II) trifluoroacetate hydrate and boron trifluoride. Several solid-phase protocols utilizing different linker combinations have been published. Dihydropyrimidinones, the products of the Biginelli reaction, are widely used in the pharmaceutical industry as calcium channel blockers, antihypertensive agents, and alpha-1-a-antagonists. The reaction mechanism of the Biginelli reaction is a series of bimolecular reactions leading to the desired dihydropyrimidinone. According to a mechanism proposed by Sweet in 1973 the aldol condensation of ethylacetoacetate 1 and the aryl aldehyde is the ...

*Mack Swain

L'incontro col cinema nel 1913, chiamato dal boss Mack Sennett per la sua neonata casa di produzione cinematografica Keystone per recitare al fianco di Mabel Normand, Roscoe Arbuckle, Chester Conklin. Diede vita al personaggio di Ambrose, galante, erculeo dongiovanni, dagli occhi infossati in orbite scure, un paio di maestosi baffoni e un ciuffo a dividere la fronte spaziosa. Nel 1914 sarà partner di Charlie Chaplin nei suoi primi cortometraggi Keystone. Con Syd Chaplin e Gloria Swanson alcune apparizioni tra il 1915 e il 1916. Ambrose lascerà la Keystone nel 1917 per seguire Ford Sterling e Pathé Lehrman alla L-KO. La prematura scomparsa di Eric Campbell, magnifica spalla nel ruolo del cattivo, gli varrà la chiamata di Chaplin per sostituirlo in alcuni film seguenti il 1917 e fino alla memorabile interpretazione di Giacomone (Big Jim) nel capolavoro La febbre dell'oro del (1925).. Seguirono collaborazioni e partecipazioni con Harold Lloyd, Ben Turpin, Mary Pickford. Fu di nuovo con Sennett ...

*Sodium hydroxide

... , also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH− . Sodium hydroxide is a highly caustic base and alkali that decomposes proteins at ordinary ambient temperatures and may cause severe chemical burns. It is highly soluble in water, and readily absorbs moisture and carbon dioxide from the air. It forms a series of hydrates NaOH·nH 2O. The monohydrate NaOH·H 2O cystallizes from water solutions between 12.3 and 61.8 °C. The commercially available "sodium hydroxide" is often this monohydrate, and published data may refer to it instead of the anhydrous compound. As one of the most simple hydroxides, it is frequently utilised alongside neutral water and acidic hydrochloric acid to demonstrate the pH scale to chemistry students. Sodium hydroxide is used in many industries: in the manufacture of pulp and paper, textiles, drinking water, soaps and ...

*Spent caustic

... is a waste industrial caustic solution that has become exhausted and is no longer useful (or spent). Spent caustics are made of sodium hydroxide or potassium hydroxide, water, and contaminants. The contaminants have consumed the majority of the sodium (or potassium) hydroxide and thus the caustic liquor is spent, for example, in one common application H2S (gas) is scrubbed by the NaOH (aqueous) to form NaHS (aq) and H2O (l), thus consuming the caustic. Ethylene spent caustic comes from the caustic scrubbing of cracked gas from an ethylene cracker. This liquor is produced by a caustic scrubbing tower. Ethylene product gas is contaminated with H 2S(g) and CO2(g), and those contaminants are removed by absorption in the caustic scrubbing tower to produce NaHS(aq) and Na 2CO 3(aq). The sodium hydroxide is consumed and the resulting wastewater (ethylene spent caustic) is contaminated with the sulfides and carbonates and a small fraction of organic compounds. Refinery spent caustic comes ...

*Soda-lime glass

... , also called soda-lime-silica glass, is the most prevalent type of glass, used for windowpanes and glass containers (bottles and jars) for beverages, food, and some commodity items. Glass bakeware is often made of tempered soda-lime glass. Soda-lime glass accounts for about 90% of manufactured glass. Soda-lime glass is relatively inexpensive, chemically stable, reasonably hard, and extremely workable. Because it can be resoftened and remelted numerous times, it is ideal for glass recycling. Soda-lime glass is prepared by melting the raw materials, such as sodium carbonate (soda), lime, dolomite, silicon dioxide (silica), aluminium oxide (alumina), and small quantities of fining agents (e.g., sodium sulfate, sodium chloride) in a glass furnace at temperatures locally up to 1675 °C. The temperature is only limited by the quality of the furnace superstructure material and by the glass composition. Relatively inexpensive minerals such as trona, sand, and feldspar are usually used ...

*Drano

... (stylized as Drāno) is a drain cleaner product manufactured by S. C. Johnson & Son. According to the National Institutes of Health's Household Products Database, the crystal form is composed of: Sodium hydroxide (lye), NaOH Sodium nitrate, NaNO3 Sodium chloride (salt), NaCl Aluminium shards, Al After Drano crystals are added to water, the reaction works as follows: Aluminium reacts with lye: 2NaOH + 2Al + 2H2O → 3H2 + 2NaAlO2, although the exact species in solution may be NaAl(OH)4. The release of hydrogen gas stirs the mixture and improves the interaction between the lye and the materials clogging the drain. It's possible that pressure may build up inside the pipe, causing the hot, caustic solution to spurt out of the drain. Sodium nitrate reacts with hydrogen: 2NO3− + 9H2 → 2NH3 + 6H2O. This removes hydrogen, which poses a fire and explosion hazard and produces ammonia, which is also capable of decomposing organic material, albeit less aggressively than lye. Crystal Drano was ...

*Sodium stannate

... , formally sodium hexahydoxostannate(IV), is the inorganic compound with the formula Na2[Sn(OH)6]. This colourless salt forms upon dissolving metallic tin or tin(IV) oxide in sodium hydroxide, and is used as a stabiliser for hydrogen peroxide. In older literature, stannates are sometimes represented as having the simple oxyanion SnO32−, in which case this compound is sometimes named as sodium stannate-3-water and represented as Na2SnO3·3H2O, a hydrate with three waters of crystallisation. The anhydrous form of sodium stannate, Na2SnO3, is recognised as a distinct compound with its own CAS Registry Number, 12058-66-1 , and a distinct materials safety data sheet. Alkali metal stannate compounds are prepared by dissolving elemental tin in a suitable metal hydroxide, in the case of sodium stannate by the reaction: Sn + 2 NaOH + 4 H2O → Na2[Sn(OH)6] + 2 H2 A similar reaction occurs when tin dioxide is dissolved in base: SnO2 + 2 NaOH + 2 H2O → Na2[Sn(OH)6] The anhydrous form can ...

*Favorskii rearrangement

The Favorskii rearrangement, named for the Russian chemist Alexei Yevgrafovich Favorskii, is most principally a rearrangement of cyclopropanones and α-halo ketones which leads to carboxylic acid derivatives. In the case of cyclic α-halo ketones, the Favorskii rearrangement constitutes a ring contraction. This rearrangement takes place in the presence of a base, sometimes hydroxide, to yield a carboxylic acid but most of the time either an alkoxide base or an amine to yield an ester or an amide, respectively. α,α'-Dihaloketones eliminate HX under the reaction conditions to give α,β-unsaturated carbonyl compounds. The reaction mechanism is thought to involve the formation of an enolate on the side of the ketone away from the chlorine atom. This enolate cyclizes to a cyclopropanone intermediate which is then attacked by the hydroxide nucleophile. Usage of alkoxide anions such as sodium methoxide, instead of sodium hydroxide, yields the ring-contracted ester product. In the related Wallach ...

*2,4,6-Trinitrobenzenesulfonic acid

Trinitrobenzenesulfonic acid (C6H3N3O9S) is an nitroaryl oxidizing acid. Due to its extreme oxidative properties, if mixed with reducing agents including hydrides, sulfides, and nitrides, it may begin a vigorous reaction that culminates in almost immediate detonation. The aromatic nitro compounds may explode in the presence of a base such as sodium hydroxide or potassium hydroxide even in the presence of water or organic solvents because of the explosive tendencies of aromatic nitro compounds which increase in the presence of multiple nitro groups. Not much is known about this compound, but it is used as a peptide terminal amino group neutralizer and is currently being investigated for its effects on the immune system. Its primary usage is primarily to neutralize peptide terminal amino groups in scientific research. Occasionally it is used as a detonator for certain other explosive compounds. It is also used to induce Crohn's Disease in the colon of laboratory animals in order to model ...

*Sodium cocoate

... is a generic name for the mixture of fatty acid salts (acid salts) of coconut oil that is used in soap making. Sodium cocoate is produced by hydrolysis of the ester linkages in coconut oil with sodium hydroxide, a strong base. "SODIUM COCOATE ,, Skin Deep® Cosmetics Database , EWG". www.ewg.org. Retrieved 2017-04-16. Sodium laurate Sodium myristate Sodium ...

*Orbite Technologies

... Inc. is a Canadian cleantech company based in Montreal, Canada. It specialized in extracting processes for mining industry, especially alumina extraction. Its main asset is the Orbite process which can be used as a cheaper and pollution-free replacement of the Bayer process as well as a way to treat red mud. The Orbite process is an industrial means to refine aluminum ores (such as bauxite) to produce alumina (aluminum oxide) patented by Orbite Alumnae using acid rather than sodium hydroxide like in the Bayer process. It's also a way to treat red mud in order to extract the minerals it still contains. It does not produce any industrial waste in significant quantity. The process uses hydrochloric acid that is entirely recovered by the end of the process. It works well with low quality bauxite and many other raw materials. The Orbite process is divided in four steps: aluminum ore preparation, leaching, extraction of alumina, extraction of iron and calcination. First, the raw ...

*Hofmann rearrangement

The Hofmann rearrangement is the organic reaction of a primary amide to a primary amine with one fewer carbon atom. The reaction is named after its discoverer - August Wilhelm von Hofmann. This reaction is also sometimes called the Hofmann degradation, and should not be confused with the Hofmann elimination. The reaction of bromine with sodium hydroxide forms sodium hypobromite in situ, which transforms the primary amide into an intermediate isocyanate. The formation of an intermediate nitrene is not possible because it implies also the formation of an hydroxamic acid as a byproduct, which has never been observed. The intermediate isocyanate is hydrolyzed to a primary amine, giving off carbon dioxide. Base abstracts an acidic N-H proton, yielding an anion. The anion reacts with bromine in an α-substitution reaction to give an N-bromoamide. Base abstraction of the remaining amide proton gives a bromoamide anion. The bromoamide anion rearranges as the R group attached to the carbonyl carbon ...

*Diprobase

... is an emollient, specifically targeted at eczema and dermatitis. It is an occlusive emollient, meaning that it restores the layer of oil on the surface of the skin to slow water loss. This gives its tendency to make the applied area sticky. Diprobase contains no 'active ingredients'. It is made from a combination of liquid paraffin, white soft paraffin and water, as well as cetomacrogol and cetostearyl alcohol as emulsifying agents, chlorocresol as an antimicrobial preservative, phosphoric acid, sodium dihydrogenphosphate and sodium hydroxide. Dry skin results from lack of water in the outer layer of skin cells (the stratum corneum). When this layer becomes dehydrated it loses its flexibility and becomes cracked, scaly and sometimes itchy. The stratum corneum contains natural water-holding substances that retain water seeping up from the deeper layers of the skin, and water is also normally retained in the stratum corneum by a surface film of natural oil (sebum) and broken-down skin ...
0061] In addition to the rich solvent interface 19, the acid recovery apparatus 27 would comprise at least one acid extraction unit 14. The acid extraction unit 14 would comprise whatever equipment was necessary to effect the removal or recovery of at least one of the absorbed acid gas fractions from the rich solvent 9. In this particular case, two acid extraction units 14 are shown, to demonstrate the concept of the capture and/or removal of more than one acid gas fraction, by the conduct of more than one acid extraction step. Specifically, there is shown a first acid extraction unit 14 which would comprise whatever equipment or process was necessary to recover a first recovered acid gas fraction 15. The first recovered acid gas fraction 15 is in this case shown as well as a first recovered acid gas fraction discharge interface 20 which would basically be an interface to a storage tank or other apparatus into which the recovered acid gas fraction 15 would be conveyed. In this particular case ...
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Carroll, J. J. (2010) Injection Profiles, in Acid Gas Injection and Carbon Dioxide Sequestration, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470893210.ch9 ...
The MSA Advantage® Organic Vapor/Acid Gas Cartridge helps provide protection against a variety of organic gases in your work environment. Buy here now!
The present invention provides a functionalized adsorbent for removal of acid gases, which comprises a pore-expanded mesoporous support having a pore volume of between 0.7 and 3.6 cc/g, a median pore
|p|NIOSH-approved for sites that expose workers to certain acid gases and organic vapors. This cartridge does not protect against particulates unless used with either a North pancake filter or a N95 or N99 non-oil particulate pre-filter.|/p| |p| |/p
Lookup HS Codes for Egypt vi 28.11.21 Carbon dioxide ( corbonic acid gas ) , compressed or liquefied.. Avalara LandedCosts helps determine your duty rates and other import taxes for Egypt.
A metrology lab would like to monitor the waste stream (water) from an Ion Chromatograph (IC) with a high/low alarm and local display.
The Dionex Ion-Exchange Chromatograph we have is an IC25 Ion Chromatograph attached with an AS50 Autosampler, an EG40 Eluent Generator, and an LC25 Chromatography Oven.. The Dionex IC25 Ion Chromatograph performs isocratic ion analyses using conductivity detection. The IC25 integrates pump and detector functions in a single instrument. The microprocessor-based, dual-piston, variable-speed, delivery system pumps eluents at precisely controlled flow rates. The IC25 electronics provide sensitive, accurate detection and quantification of ionic analytes in liquid and ion chromatography. This is especially useful for analytes that lack UV chromophores and cannot be determined with adequate sensitivity by UV absorbance. A Digital Signal Processor (DSP) provides high speed control of pump flow and pressure.. Technical Data:. IC25 Ion Chromatograph. · Pump: Dual-piston, variable speed stroke of 100 µL; user-selectable constant pressure or constant flow feedback control. · Flow Rate: 0.04 to 10.0 ...
The use of sorbent tube samplers and ion chromatography as an analytical tool for monitoring airborne inorganic acids was evaluated. Five organic acids were used: phosphoric-acid (7664382), bromic-acid (7789313), nitric-acid (7697372), hydrochloric-acid (7647010), and sulfuric-acid (7664939). Collection tubes were made from glass tubing approximately 13 centimeters in length, packed with silica ge
Any cryogenic gas separation process requires the upstream removal of H2S, CO2 and COS as typical sour gas impurities to meet the specification.
Acidic gases containing carbon dioxide are removed from a normally gaseous mixture by absorbing CO2 from the gaseous mixture with an aqueous solution comprising a basic alkali metal salt or hydroxide and an activator or promoter system for the salt or hydroxide which contains (i) at least one non-sterically hindered diamine defined as having both a primary and a tertiary amino moiety wherein the primary amino moiety is attached to a primary carbon atom, and (ii) an amino acid, and desorbing at least partially the absorbed CO2 from the aqueous solution.
Skid Mounted Amine Unit - posted in Industrial Professionals: Dear Friends,As a part of supply of various Amine solvents (for Acid Gas removal from sour gases) along with technical services, we are planning to provide skid mounted amine unit / pilot-scale unit to the valued customers for the evaluation of the Amine solvent at their site. As the sour gas quality (acid gas content) & conditions (temp, press) may differ for application to application, we are interested to optimize the des...
Colby offers various programs for non-traditional students at Colby. Non-traditional students include high school seniors, College employees, faculty/staff spouses and dependents, area residents, and visiting students. More details can be found in the Non-Traditional Students at Colby Policy.. ...
End User : HESS - Pertamina Jambi Merang EPC : Tripatra (TPEC). Equipment :. ACHE :Stabilizer NGL Product Cooler (SK-35-E-01). ACHE : De-Ethanizer NGL Cooler (SK-45-E-03). ACHE : Expander Compressor After Cooler (SK-45-E-05). ACHE : Sales Gas Compressor After Cooler (SK-50-E-01 A/B). ACHE : Lean Solvent Cooler (SK-25-E-04). ACHE : Acid Gas Condenser (SK-25-E-05). ACHE : Regeneration Gas Cooler (SK-30-E-01). ACHE : Treated Gas Cooler (SK-25-E-02). STHE : De-Ethanizer Reboiler (SK-45-E04 A/B). STHE : Stabilizer Reboiler (SK-35-E-03). STHE : Amine Feed Product Regency (SK-25-E-01). STHE : Amine Reboiler (SK-25-E-06). ...
Paramount Ductless Enclosures are self-contained work stations, also known as ductless fume hoods, that use carbon filters to rid the laboratory of annoying or unsafe concentrations of organic solvents, formaldehyde, acid gases, ammonia, or radioisotopes. Unlike traditional fume hoods, they require no ducting so they can be moved from lab to lab. Paramount Ductless Enclosures are capable of using both carbon and 99.99% efficient HEPA filters for removing gaseous and particulate contaminants. Filters used in the Paramount are sold separately and come in seven types Ammonia-Amine, Acid-Sulfur, Organic Vapor, Formaldehyde-Formalin, Radioisotope, Mixed Bed and HEPA. Receive a technical analysis of the right product for your application with our Chemical Assessment form.. Let Labconco determine the life of your Carbon Filter. Fill out the Chemical Assessment Form and submit it to us.. ...
In the morning early, before dawn, the first sounds heard in a small house were the click, click, click of the kitchen-maid striking flint and steel over the tinder in the box. When the tinder was ignited, the maid blew upon it till it glowed sufficiently to enable her to kindle a match made of a bit of stick dipped in brimstone [sulphur]. The cover was then returned to the box, and the weight of the flint and steel pressing it down extinguished the sparks in the carbon. The operation was not, however, always successful; the tinder or the matches might be damp, the flint blunt, and the steel worn; or, on a cold, dark morning, the operator would not infrequently strike her knuckles instead of the steel; a match, too, might be often long in kindling, and it was not pleasant to keep blowing into the tinder-box, and on pausing a moment to take breath, to inhale sulphurous acid gas, and a peculiar odour which the tinder-box always exhaled ...
Paramount Ductless Enclosures are self-contained work stations, also known as ductless fume hoods, that use carbon filters to rid the laboratory of annoying or unsafe concentrations of organic solvents, formaldehyde, acid gases, ammonia, or radioisotopes. Unlike traditional fume hoods, they require no ducting so they can be moved from lab to lab. Paramount Ductless Enclosures are capable of using both carbon and 99.99% efficient HEPA filters for removing gaseous and particulate contaminants. Filters used in the Paramount are sold separately and come in seven types Ammonia-Amine, Acid-Sulfur, Organic Vapor, Formaldehyde-Formalin, Radioisotope, Mixed Bed and HEPA. Receive a technical analysis of the right product for your application with our Chemical Assessment form.. Let Labconco determine the life of your Carbon Filter. Fill out the Chemical Assessment Form and submit it to us.. ...
Industry expert Tony OLenick discusses the differences between the structures of traditional natural oils and non-traditional natural oils.
The Non-traditional Student Scholarship is available to students attending Southwest Georgia Technical College. You must be enrolled in a program with underrepresented gender and have a minimum 2....
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The last decade has witnessed a steady decline in the dollar values of many of the traditional agricultural export crops (TAEs) from developing countries and has highlighted the risks of depending upon a very narrow export base for foreign exchange earnings. Breaking the dependence upon the traditional primary commodities and diversifying into higher value or added value exports is not easy. This report provides an overview of the market for non-traditional agricultural exports (NTAEs). In particular, the report focuses upon the trends in international trade in these products, the trade and import policies of the major destination buyers, the extent of the adding-up problem for selected NTAEs, the lessons learned, and the prospects for developing niche markets for organic and fair trade NTAEs. The report provides detailed statistical data on trends in the export of NTAEs during the ten-year period 1992 to 2001, both in volume and value terms, analyses the contribution of developing countries and
The last decade has witnessed a steady decline in the dollar values of many of the traditional agricultural export crops (TAEs) from developing countries and has highlighted the risks of depending upon a very narrow export base for foreign exchange earnings. Breaking the dependence upon the traditional primary commodities and diversifying into higher value or added value exports is not easy. This report provides an overview of the market for non-traditional agricultural exports (NTAEs). In particular, the report focuses upon the trends in international trade in these products, the trade and import policies of the major destination buyers, the extent of the adding-up problem for selected NTAEs, the lessons learned, and the prospects for developing niche markets for organic and fair trade NTAEs. The report provides detailed statistical data on trends in the export of NTAEs during the ten-year period 1992 to 2001, both in volume and value terms, analyses the contribution of developing countries and
Abstract: The effect of treatment with different inorganic acids (HNO3, CH3COOH, and H3PO4) on the activity of CuO/γ-Al2O3 nanostructured catalysts selective catalytic reduction of NO by hydrocarbons (HC-SCR) using CH4 as a reducing agent in a tubular fixed-bed reactor (TFBR) at temperatures from 623-1023 K in the presence of oxygen was studied. A CuO/γ-Al2O3 nanostructured catalyst was prepared by incipient wetness impregnation approach of copper nitrate and γ-alumina support. The catalysts were characterized using AEM and XRD. The experimental results show that the support γ-alumina with a 6 N HNO3 solution at the calcinations temperature of 873 K obvious promoting effects on the higher activity due to greater acidity of the transforming NO reaction over a CuO/γ-Al2O3 nanostructured catalyst, because the acidic pretreatment provides the acidic sites for the catalyst surface and improved the dispersion of copper species and the reactivity over the catalyst reaction system with NO-CH4-O2. ...
Acid Ammonium Factory - Select 2017 high quality Acid Ammonium Factory products in best price from certified Chinese Acid Salt manufacturers, Inorganic Acid suppliers, wholesalers and factory on Made-in-China.com
Acid Ammonium Price - Select 2017 high quality Acid Ammonium Price products in best price from certified Chinese Acid Salt manufacturers, Inorganic Acid suppliers, wholesalers and factory on Made-in-China.com
Your child wants a pet, but maybe dogs and cats arent your speed. Check out these kid-friendly pet options that both you and your child will enjoy.
Stellarix is a global research and analytics company, with particular focus on the practice of Critical Innovation. Our exceptional research proficiency and analytical depth help us blend non-traditional and conventional consulting approaches to deliver business breakthroughs.
0070]In the method A, as shown in FIG. 1B, only the carbonic acid gas laser was irradiated at first to each of specimens. On the other hand, in the method B, a UV light was irradiated simultaneously with the carbonic acid gas laser to each of the specimens. The UV light was irradiated by using a spot UV irradiation device for a range of about 8 mm radius with the radiation region of the carbonic acid gas laser as a center. In this case, the laser was irradiated within a range from room temperature (with no heating) to 400° C. using a substrate temperature as a parameter both for the method A and the method B. The carbonic acid gas laser was irradiated in the continuous oscillation mode and the laser irradiation energy was 160 J/cm2. The irradiation region of the carbonic acid gas laser was defined as 6 mm×2 mm and irradiation was conducted over the entire surface of a glass substrate by moving a moveable substrate stage. In this embodiment, the irradiation time was set to 600 micro-seconds and ...
This report is a comprehensive research of inorganic acid market in Pakistan. The report starts with giving brief country profile for Pakistan, including
Air Scrubbers included in the Orion Series include Emergency Scrubbers, Hospital Scrubbers, Odor Control Scrubbers, ETO EO & PO Scrubbers and Particulate
Air Scrubbers included in the Orion Series include Emergency Scrubbers, Hospital Scrubbers, Odor Control Scrubbers, ETO EO & PO Scrubbers and Particulate
This article explores the experiences of men in non-traditional occupations. In particular it focuses on the dynamics of career entry, career orientation (namely, a preference for intrinsic or extrinsic rewards) and the possible existence, nature and consequences of role strain. Four occupational groups are examined: nurses, cabin crew, librarians and primary school teachers. The results suggest that men fall into three main categories: seekers (who actively chose the female occupation), finders (who did not actively seek a non-traditional career but who found the occupation in the process of making general career decisions) and settlers (who actively chose the occupation, often as a result of dissatisfaction with a more masculine job, and who then settled in their non-traditional career). Settlers, in particular, are associated with a more intrinsic career orientation and express a desire to remain close to occupational and professional practice. Role strain is prevalent in mens ...
The PILS (Particle Into Liquid Sampler) is an aerosol-sampling device to be connected to ion chromatographs and other devices.. PILS, developed at the Georgia Institute of Technology, collects ambient aerosols into a liquid sample stream, which is then fed into an ion chromatograph for analysis.. This allows semi-continuous measurements with a time resolution of 5-15min.. Thus, changes in aerosol composition can be followed in real time.. Aerosol fractions of PM1 up to PM10 (particles smaller than 1um up to smaller than 10 um) can be trapped, depending on the used cyclone or impactor to remove larger particles.. Acidic and alkaline gases are removed by denuders in front of the PILS.. No further sample preparation is required.. Other analysis methods using liquid samples can be connected.. MARGA offers an approach in which particulate matter and acidic gases are directly sampled in the water phase, followed by online analysis of its ingredients - which allows fully automatic monitoring.. ...
Samsung Electronics Co., Ltd. failed to contact authorities for 15 hours after two separate leaks of hydrofluoric acid gas killed one contractor and injured four others at its chip plant, about 70 ... | Occupational Safety and Health
AirPols air pollution control solutions are making the world better through cleaner air. Designer of wet scrubbers, venturi, acid gas absorbers & WESPs.
Dr. Sholls research focuses on materials whose macroscopic dynamic and thermodynamic properties are strongly influenced by their atomic-scale structure. Much of this research involves applying computational techniques such as molecular dynamics, Monte Carlo simulations and quantum chemistry methods to materials of interest. Although the groups work is centered on computational methods, it involves extensive collaboration with experimental groups and industrial partners.. Current topics in the Sholl group include:. Molecular Adsorption and Transport in Nanoporous Materials. The nanoscale pores that permeate zeolites, MOFs and other molecular sieves make them ideal materials for many applications requiring shape-selective catalysis and separations. We are investigating the macroscopic response of microporous materials to multicomponent sorbate mixtures with an emphasis on computational screening of novel materials for membrane and adsorption applications.. Acid Gas Interactions With ...
Australian Standard 2724: Ambient Air - Particulate Matter: As 2724.2-1987: Determination of Suspended Matter Expressed as Equivalent Black Smoke by Filter Paper Soiling, to be Used in Conjunction with as 2509- Determination of Acid Gases (Expressed as Sulphur Dioxide), 9780726245268, available at Book Depository with free delivery worldwide.
Yevhen I. Holubnyak, Blaise A.F. Mibeck, Jordan M. Bremer, Steven A. Smith, James A. Sorensen, Charles D. Gorecki, Edward N. Steadman, and John A. Harju. 21.1 Introduction 393. 21.2 Northwest McGregor Location and Geological Setting 395. 21.3 The Northwest McGregor Field, E. Goetz #1 Well Operational History 395. 21.4 Reservoir Mineralogy 397. 21.5 Preinjection and Postinjection Reservoir Fluid Analysis 398. 21.6 Major Observations and the Analysis of the Reservoir Fluid Sampling 400. 21.7 Laboratory Experimentations 401. 21.8 2-D Reservoir Geochemical Modeling with GEM 402. 21.9 Summary and Conclusions 403. 21.10 Acknowledgments 404. 21.11 Disclaimer 404. 22. Comparison of C02 and Acid Gas Interactions with reservoir fluid and Rocks at Williston Basin Conditions ...
The barium and lead content makes Corning glass blocks susceptible to staining by acids and alkalis after polishing. We recommend this glass not be used or stored in conditions that will result in exposure to acid gases or excessive humidity. This page gives a general description of the product and materials. It is the responsibility of the users of this page, to ensure that the proposed application of the product is appropriate and that such application complies with all relevant local and national legislation, standards, code of practice and other requirements. To the extent allowed by law, Corning SAS hereby disclaims all liability arising from any error or omission from this page and all the consequences of relying on it. The information contained herein is based upon data considered to be accurate. However, no warranty is expressed or implied regarding the performance of this product. They only applicable warranties are those that are set out in a contract between the seller and the buyer. ...
Madam Chairman, thank you for inviting me to testify about EPAs ongoing efforts to protect our health by reducing the air pollution that affects millions of Americans. I know this subject very personally because my son is one of the more than 25 million Americans battling asthma. Let me begin my testimony with a matter of fact: pollution, such as mercury and particulate matter, shortens and reduces the quality of Americans lives and puts at risk the health and development of future generations. We know mercury is a toxin that causes neurological damage to adults, children and developing fetuses. We know mercury causes neurological damage, including lost IQ point in children. And we know particulate matter can lead to respiratory disease, decreased lung function and even pre-mature death. These pollutants - and others including arsenic, chromium and acid gases -come from power plants. These are simple facts that should not be up for debate. However, Madam Chairman, while Americans across the ...
This topic has 1 study abstract on Probiotics (non-traditional) indicating that it may have therapeutic value in the treatment of Lectin-Induced Toxicity
An etchant includes hydrogen peroxide (H2O2), and a mixed solution including at least one of an organic acid, an inorganic acid, and a neutral salt.
Polyaniline-deposited paper composites doped with three inorganic acids were prepared via in situ polymerization, and their flame-retardant properties were investigated. Both the conductivity and flame retardancy of the composite increased with the i
This is definitely a new fruit for me to learn about, although that is not hard since Im not very adventurous when it comes to produce. I am also curious about what both the skin and the nut taste like. I think it kind of looks like a tiny brain before it is open- I wonder if that is a strange site seeing hundreds of them hanging off a tree. Are these commonly seen in markets in Southeast Asia, or are they more rurally used? Also, what are some uses for the oil? ...
This is definitely a new fruit for me to learn about, although that is not hard since Im not very adventurous when it comes to produce. I am also curious about what both the skin and the nut taste like. I think it kind of looks like a tiny brain before it is open- I wonder if that is a strange site seeing hundreds of them hanging off a tree. Are these commonly seen in markets in Southeast Asia, or are they more rurally used? Also, what are some uses for the oil? ...
The traditional stroke symptoms: sudden onset of weakness in one side, coordination problems, trouble talking and loss of vision, may not be the only ones to watch out for in the case of women, who may display signs of a stroke in a different way, according to research presented at the 2009 International Stroke Conference ...
The membrane that surrounds a certain type of living cell has a surface area of 4.4 x 10-9 m2 and a thickness of 1.6 x 10-8 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 4.1. (a ...
Introduction. Customer cost and time investment make decisions about postsecondary enrollment among the most important in the lives of many people and their families. Many factors may influence an individuals decisions regarding postsecondary education: what to study, where to enroll, and the level of degree to obtain. However, what is frequently unavailable to facilitate choice is information about the formal education process and the world of work most people enter coincidentally, and information about post-graduation employment and earnings. Forming reasonable expectations about the context of the education and work experience is essential to realistic strategies for educational success and goes well beyond information in the course catalogue. Currently in Wyoming, very few sources exist that link education and labor market outcomes. The Research & Planning (R&P) section of the Wyoming Department of Workforce Services produces reports in tabular and interactive graphic form, and supporting ...
Listeria Monocytogenes: Factory Cleaning, Thermal Inactivation and Acid Tolerance Response By Eben van Tonder 6 January 2018 (Update: 2/2018) Summary In light of the unprecedented listeria outbreak in South Africa, we examine processes and procedures at the cutting plant, factory cleaning, thermal inactivation and acid tolerance response of Listeria monocytogenes. We question everything we do…
20 Reasons Why Your Stomach Hurts - Health - 20 Reasons Why Your Stomach Hurts. allowing food and acid from the stomach to splash upwards. The Right Probiotics for Your Stomach Problems and More. I had terrible stomach problems for about 2 weeks, severe stomach cramps (fainted from pain in past), hot stomach (assume acid. nausea, bad gas and really bad.. 9 Potential Causes For Severe Stomach Pains. Food poisoning can cause serious stomach discomfort due to a bacterial or parasitic. nausea, vomiting, fever, gas,. Any time gas is combined with problems like bloody stools, nausea or vomiting, gas problems associated with acid reflux are. Allowing stomach acid to back.. Mar 1, 2005. Gas, indigestion, or perhaps gastritis (an inflammation of the lining of the stomach ) can cause abdominal pain. Pepto-Bismol is indicated for indigestion, heartburn, upset stomach, nausea, and diarrhea. Children. It offers the advantage of prompt relief from the antacids and acid reduction from the H2RA.. Is your ...
The Ion Chromatograph is used for the determination of anions in a water sample. Water sample is injected into a column where the anions in the sample are separated based on their charge. They are then sent through a conductivity detector and displayed as a peak on a computer. Samples at Keck are generally analyzed for Fluoride, Chloride, Nitrate and Sulfate but the instrument has the ability to perform analyses for Bromide, Nitrite, and Phosphorus as well. The Flow Injection component mixes pre-made reagents with a water sample to produce a color detectable by a flow cell at a particular visible wavelength. This is again produced on a computer screen as a quantifyable peak. The ion chromatograph as well as the flow injection component is widely used in ongoing projects with acid rain research in the Adirondacks and Lake George watershed studies.. ...
Streptococcus pneumoniae, one of the major causes of morbidity and mortality in humans, faces a range of potentially acidic conditions in the middle and late stages of growth in vitro, in diverse human fluids during the infection process, and in biofilms present in the nasopharynx of carriers. S. pneumoniae was shown to develop a weak acid tolerance response (ATR), where cells previously exposed to sublethal pHs (5·8-6·6) showed an increased survival rate of up to one order of magnitude after challenge at the lethal pH (4·4, survival rate of 10−4). Moreover, the survival after challenge of stationary phase cells at pH 4·4 was three orders of magnitude higher than that of cells taken from the exponential phase, due to the production of lactic acid during growth and increasing acidification of the growth medium until stationary phase. Global expression analysis after short-term (5, 15 and 30 min, the adaptation phase) and long-term (the maintenance phase) acidic shock (pH 6·0) was performed by
Having a 40mm NATO NBC filter is all well and good and will save me from NBCs and regular lab chemicals like acid gases, organic vapors ext. Now Im not really too worried about NBC shit but I dont want to have to shell out lots of green every time I use up a filter. Are there 40mm cartriges that will just provide regular protection yet also fit on the real gas mask platform as apposed to some lame halfmask? I have searched and found nothing - please reply ...
AirPols air pollution control solutions are making the world better through cleaner air. Designer of wet scrubbers, venturi, acid gas absorbers & WESPs.
It is perhaps not difficult to understand the reluctance of the jury to visit Mr. Salmons place of business, as they were advised to do by the Lord Chief Justice; but at last they were persuaded to go. When a medical witness called the smell amonioniacal, the Chief Justice suggested that perhaps demoniacal would be nearer the mark. His lordship also observed that on his visit he was shocked at the horrible smells which proceeded from Rotherhithe, the parish which adjoins Bermondsey. Such atrocious stenches were, he said, a scandal to the sanitary condition of the country ; and he asked, not unnaturally, what was the use of Boards of Health and Inspectors of Nuisances if such abominable nuisances were allowed? Dr. Letheby, who is a Sanitary Inspector, appeared as a witness for the defence in this case. Dr. Letheby does not consider carbonic acid gas at all offensive; he had, indeed, "recognized" the effluvium from the manufactory, but he could not say that it amounted to a nuisance. In his ...
It is unfeasible to surname all non-traditional business fields that exploit CAD technology. then, this article will name only these fields: building and building, medical, dental and robotics industry.. A focused form of CAD called BIM (Building Information Modeling) has been urbanized as a procedure that monitor and manage all discipline concerned in erecting a arrangement.. The point of BIM is to ensure that all discipline that contribute in erect a structured work together synergistically during the scheme cycle. These discipline include water supply, misuse management, current and gas supply, heat and ventilation, connections and all other participant. When BIM is properly execute, it minimizes cost, minimizes rework, and create an efficient arrangement that is ecofriendly and conforms to all narrow standards.. A particular form of CAD called CADx or CADe (Computer-Aided Diagnosis) has been urbanized as a medical process that assist doctors and radiologists in the construal of medical ...
It is unfeasible to surname all non-traditional business fields that exploit CAD technology. then, this article will name only these fields: building and building, medical, dental and robotics industry.. A focused form of CAD called BIM (Building Information Modeling) has been urbanized as a procedure that monitor and manage all discipline concerned in erecting a arrangement.. The point of BIM is to ensure that all discipline that contribute in erect a structured work together synergistically during the scheme cycle. These discipline include water supply, misuse management, current and gas supply, heat and ventilation, connections and all other participant. When BIM is properly execute, it minimizes cost, minimizes rework, and create an efficient arrangement that is ecofriendly and conforms to all narrow standards.. A particular form of CAD called CADx or CADe (Computer-Aided Diagnosis) has been urbanized as a medical process that assist doctors and radiologists in the construal of medical ...
The Non-Traditional Workspaces Series is supported by RingCentral, the leading business phone system designed for todays small businesses, entrepreneurs, and mobile professiona...
To characterize atmospheric dissolved iron over Newark, a large metropolitan city on US east coast, size-segregated (0.056-18 μm in aerodynamic diameter) aerosols were collected in downtown Newark, New Jersey during August to October 2012. Aerosols samples were analyzed for Fe(II) and total dissolved iron (Fe(TD)) by UV/Visible spectroscopy, and water soluble compounds were analyzed by ion chromatograph (IC). Results from this study showed that Fe(II) concentrations were 2.1 ng m−3 (range: 1.2-4.2 ng m−3), Fe(TD) concentrations were 2.4 ng m−3 (range: 1.3-4.9 ng m−3). Dissolved iron (Fe(II) and Fe(TD)) in general appeared as bi-modal size distribution, was mainly accumulated in the fine mode. The highest concentration of dissolved iron displayed in the fine mode, which was associated with high concentrations of sulfate, oxalate and nitrate, suggesting the potential for Fe-acids interactions. Dissolved iron presented positive correlations with sulfate in the coarse mode, and with nitrate in the
Latitude and longitude information was collected using various hand-held GPS units. Location coordinates were recorded in a field notebook and subsequently transferred to the project database. The pH values were measured in the field using various digital pH meters. The pH meter was calibrated at least once per day using a 2- to 3-point calibration with pH standards of 4, 7, and 10. Surface water samples taken for cation and anion analysis were filtered in the field using a 0.45 micron filter and peristaltic pump, following standard clean techniques. Anion concentrations were determined at the U.S. Geological Survey (USGS) laboratories in Menlo Park, California using a DIONEX ICS-2000 ion chromatograph with hydroxide eluent. Alkalinity (as bicarbonate) was analyzed by potentiometric titration on samples with pH , 5.Samples that contain more than about 100 mg/L of any one analyte are diluted prior to analysis, resulting in more than one detection limit per analyte. In some cases bdl is used as ...
A blend of inorganic acids with a low foam detergent designed to rapidly attack scale and stone to leave metal surfaces sparkling and is especially formulated to passivate and re-passivate stainless steel.This acid blend will help remove the stubborn protein stain (blue rainbow) as well as food deposits like starch. ...
The invention relates to a composition for caring for human keratinous fibres comprising, in a physiologically acceptable medium: a) at least one compound chosen from arginines, their organic or inorganic acid salts and their derivatives; b) at least one compound of the formula (I) in which R1 = H or -CH3; R2 = H or -CH3; R3 = -CH3, R1 and R2 not simultaneously being H, or else a Centella asiatica extract comprising a compound or a mixture of compounds of formula (I); and optionally c) at least one compound of formula (II) in which w+x+y+z has a mean value of 4.
There are currently 95 sites in the NAMN - at 59 of these sites, an active diffusion denuder methodology using the CEH DELTA (DEnuder for Long Term Atmospheric sampling) system (where power is available) is used to provide the main spatial and temporal patterns of NH3 across the UK. Aerosol NH4+ is monitored at a subset of DELTA sites. A secondary network of ALPHA (Adapted Low-cost Passive High-Absorption) samplers are employed at a further 49 sites to assess regional and local scale variability in air NH3 concentrations. To provide an ongoing validation of the ALPHA sampler, the method is calibrated against the DELTA method at 12 sites within the network.. ...
ZGS general purpose interface for two-electrode measurements. ZGS has the same functionality as ZG2 but is integrated in an active parallel plate sample cell for usage with Novocontrol temperature control systems. Especially recommended for dielectric or conductive samples which can be prepared between parallel plate electrodes like e.g. polymers, semiconductors, glasses, and liquids or powders with not to high ion conductivity (electrode polarization).. Most accurate and straightforward solution for parallel plate electrode configurations. Specification applies at the cell electrodes position ...
Vijf meetmethoden om ammonium aerosol in buitenlucht te meten zijn onderling vergeleken. In een laboratoriuimopstelling is onderzocht of ammonium door vervluchtigen bij monstername verloren gaat en of dit dan op een eenvoudige manier toch afgevangen kan worden. Verschillende meetmethoden kunnen simultaan bemonsteren van een manifold die voor dit onderzoek is ontwikkeld. Het ammonium aerosol is in verschillende samenstellingen en met verschillende vochtigheden bestudeerd. De Low Volume Sampler zoals deze gebruikt wordt in het Landelijk Meetnet Luchtkwaliteit in Nederland leidt tot een onderschatting van de concentratie. Een annular denuder systeem geeeft een beter scheding van gassen en deeltjes en zou een betere meetmethode kunnen zijn mmaar deze methode is te arbeidsintensief en te kwetsbaar voor een atuomatisch meetnet. Een veldstudie met buitenlucht met een veel complexere samenstelling en processen zou meer duidelijkheid moeten geven ove een eventuele correctie voor de LVS ...
Have you studied electric fields and conductors under their influence by any chance? The question can be solved using fields with those parameters alone, however the physical description is accurate. I am scratching my head to understand why as an undergrad lesson in such a specific problem physicists usually tackle he makes an assumption that would result in no potential difference, instead of there being one ...
Hi, I want to address a problem that have been giving me headaches for some time now. If I try to simulate a fluid (e.g. water) injected between two
Taiwans art galleries are facing a major challenge - how to attract non-traditional art lovers to walk through their doors. One gallery owner has come up with an innovative idea - a Mobile Art Gallery placed inside a five-star hotel. The idea is that people who stay at high-end hotels with relatively deeper pockets can have easier access to art works, thus increasing the chance of them buying art. Take a look at this mobile gallery to learn more:
As you may know, I have been teaching BIO101 (and also the BIO102 Lab) to non-traditional students in an adult education program for about twelve years now. Every now and then I muse about it publicly on the blog (see this, this, this, this, this, this and this for a few short posts about various…
o Were field staff levels adequate for the response? o Were staff adequately trained to respond using non-traditional approaches o Were field staff able to respond to the outbreak in a timely manner? o Were geographic or population gaps in coverage identified? o What were the partner services indicators for the outbreak? What could bias the o Were cases interviewed, managed, and closed in a timely fashion? Were cases o Were field staff able to contact and interview cases? o Were necessary supplies available (blood draw kits, treatment, mobile vans, etc.)? What could have been done to make these supplies more readily available? o Were there staff or supplies that would have been necessary or helpful that were not readily available? How could these be secured in the future?  Clinical Services ...
UH Federalist Society: Litigating for Liberty: Non-traditional Public Interest Law Commission Approves Charter School Accountability Contract ...
Im a little bit country and a little bit rock-n-roll, a little bit West Elm and a little bit Pottery Barn. Im sharing these pictures with you as a source of inspiration. Mainly, the wall arrangements above the bed. I love the unexpected, and these two non-traditional displays set me off. While requiring a bit more time, and many more holes in the wall, they add a huge wallop of character and style ...
D6735 - 01(2009) Standard Test Method for Measurement of Gaseous Chlorides and Fluorides from Mineral Calcining Exhaust Sources-Impinger Method , analyte spiking, gaseous chlorides and fluorides, HCl , HF, hydrochloric acid gas, hydrofluoric acid gas, hydrogen chloride, hydrogen fluoride, impinger method, mineral calcining, paired trains, Sampling air/atmospheric materials/applications, Analyte spiking technique, Combustion effluents, Gaseous chlorides/fluorides, Hydrochloric acid (HCL), Hydrofluoric acid, Impinger method, Mineral calcining process,
Sulfur recycling activated alumina is white spherical particles, insoluble in water and organic solvents, can be dissolved in acid and alkali solution, and has absorption phenomena in the air, does not crack, and swell after absorbing water. It has high strength, resistance to sulfate poisoning and thermal stability characteristics. This product is used as catalysts in petrochemical and other industries processing acidic staff, turning them into sulfur and recycling by changing these staff through liquefaction. It can be used as a catalyst for Claus sulfur recycling unit, the conversion rate high, long life, is effect in flue gas desulphurization. Suitable to H2S acid gas refinery, natural gas desulphurization plant, city gas plant and petrochemical plants, chemical plants Claus sulfur recycling process. ...
preserved in the crystals of gas-hydrate ice (methane, ammonia, carbonic acid gas and other frozen gases). With a temperature rise from one volume of ice there can be formed 100-150 v olumes of gas. Consequences. 1. The formation of soot under the stony crust as a result of thermal decomposition of methane in the conditions of the absence of air-access. During this process the comet gets «dried» being still in cosmic space. The soot formation on the surface of the stony layer in the conditions of incomplete methane burning when entering the Earths atmosphere. 2. The high reflective capability of soot is the cause of the blindingly bright fire-ball, the powerful dust trail and the unusualy bright twilight over Western Siberia and Europe. 3.Discovering «the corks» from the stony layer as a result of the gas pressure growth reaching the explosive level. 4. Discrete and prolonged gas emissions from the «uncorked» holes. The emissions look like jet-engine exhaust trailes and \contain stone ...
Plainly put, SERRF generates enough power each year to supply 35,000 residential homes with electricity and has reduced the volume of solid waste entering a landfill by over four million cubic yards. Thats equivalent to trash the length and width of a football field piled three times the height of the Empire State Building.. Since the facility began operation, SERRF has processed approximately 10 million tons of solid waste in an environmentally safe and responsible manner. Using state-of-the-art pollution control technology, SERRF has been able to greatly reduce the amount of pollutants that naturally form during the combustion of refuse.. SERRF is equipped with The Best Available Control Technology (BACT). Air emissions which result from burning waste are controlled by several measures. SERRF uses ammonia to control nitrogen oxides, lime slurry to control sulfur oxides and acid gases, and a multi-chamber fabric filter baghouse for removal of particulate matter. When the flue gas is finally ...
In its May 2007 submission to the UNFCCC, the World Coal Institute implied that CCS technology was already well established, albeit more expensive. The WCI stated that there is already a "wide body of expertise developed through operational experience from; industrial-scale CCS projects, underground injection of CO2 for enhanced oil recovery, and the use of analogous technologies such as acid gas injection and natural gas storage. These practical experiences are complemented by numerous research-scale CCS projects, research programmes, stakeholder networks and partnerships." While acknowledging that CCS technologies "add to the cost of supplying energy services" it argued that "incentives and policies are needed that address these additional costs thereby enabling CCS to be deployed."[11]. "Allowing CCS activities to be eligible to receive revenues generated by the CDM is an important step for the worldwide deployment of this vital mitigation technology, permitting developing countries to meet ...
Paramount® Ductless Enclosures are self-contained work stations that use carbon filters to rid the laboratory of annoying or unsafe concentrations of organic solvents, formaldehyde, acid gases, ammonia, or radioisotopes. Unlike traditional fume hoods, they require no ducting so they can be moved from lab to lab. Paramount® Ductless Enclosures are capable of using both carbon and 99.99% efficient HEPA filters for removing gaseous and particulate contaminants. Filters used in the Paramount® are sold separately and come in seven types: Ammonia-Amine, Acid-Sulfur, Organic Vapor, Formaldehyde-Formalin, Radioisotope, Mixed Bed and HEPA.. Exclusive features include a patented slotted rear baffle to promote horizontal laminar air flow, Clean-Sweep™ air foil, upper containment sash foil and upper dilution air supply.. Other features:. ...
in many laboratories. There is a simple explanation of popularity of this book: the whole information accumu lated there is for everyday use in any (experimental) bio chemical laboratory. The book consists of seven parts. The first part con tains many recipes of commonly used solutions. One can find description of preparation of various buffers and standard solutions of many proteins, enzymes, and antibiotics. The first chapter ends with two tables. The first contains information on concentration, molarity, pH, and other characteristics of commercially available organic and inorganic acids, ethanolamine, β mercap toethanol, etc. The second table contains information on sterilization cycles and drying cycles for surgical instru ments and glass and plastic ware and tips. The second part describes methods of isolation and purification of DNA, RNA, use of protease and ribonu clease inhibitors and also detergents. The third part of this book deals with various solutions for electrophoresis of proteins and
The FHS series integrates a counter current scrubber with a traditional fumehood design to reduce space requirements, eliminate the need for a remote scrubber and significantly reduce installation and maintenance costs. The standard FHS series unit is capable of removing up to 99% of acidic contaminants up to 500 PPM. These units, originally designed for perchloric acid elimination, are effective in controlling the complete spectrum of industrial inorganic acids including Hydrochloric, Hydrofluoric, Sulphuric and Nitric acids and Aqua Regia ...
3,822,216 ACID OR MINERAL ANION STABILIZATION OF SILICA SOLS David P. Schaefer, Hinsdale, Ill., assignor to Nalco Chemical Company, Chicago, Ill. No Drawing. Filed Sept. 29, 1972, Ser. No. 293,691 Int. Cl. B01j 13/00; C01b 33/14 US. Cl. 252-313 S 5 Claims ABSTRACT OF THE DISCLOSURE In the stabilization of highly concentrated sols of the silica type ranging from 35-50% concentration, which have been subjected to sequential double deionization through cationic and anionic beds, the addition to the sol of a small amount of an anion of an inorganic acid amounting to 0.01 to 0.15 weight percent of the anion based upon a 50% silica sol product. The specific anion is selected from sulfuric, phosphoric, hydrochloric, and nitric and is added directly or obtained by utilization of impurities in the silica sol and omission of anion bed treatment. The stabilization effectively prevents gelation during subsequent alkalization as in the preferred ammoniation. In modern technology of silica sol preparation the ...
Aboriginal traditions, cultural practices and skills are guarded from misinterpretation and degradation by being carefully and respectfully handed down from generation to generation. Canada Government, Public Sector Borden Ladner Gervais LLP 27 Nov 2012
Surveillance data suggests that approximately one third of the 82 000 HIV infected adults in the UK remain undiagnosed - that is, they are living with the infection but do not know this. The majority of HIV testing in the UK to date has taken place in sexual health clinics and in antenatal care. Published National guidelines advocate routine HIV testing of 16-65 year olds in more general healthcare settings in parts of the country with relatively high rates of HIV (more than 2 per thousand individuals diagnosed locally). The HINTS Study investigates the utility, feasibility and acceptability, to patients and staff, of offering routine HIV testing in four general medical settings, all set in areas of high HIV prevalence. The settings comprise: Primary Care, Outpatients, an Acute Care Unit and an Emergency Department ...
November 21, 2012 By HEALTHeCAREERS.com Most people searching for nurse practitioner jobs look in hospitals and clinics--and no surprise, since according to the Bureau of Labor Statistics (BLS) the vast plurality of all nurses work in hospitals.
This article will highlight our recent work using conjugated oligomers as precursors to electroactive polymer films and self-assembling nanomaterials. One area of investigation has focused on nonbenzenoid aromaticity in the context of charge delocalization in conjugated polymers. In these studies, polymerizable pi-conjugated units were coupled onto unusual aromatic cores such as methano[10]annulene. This article will also show how biologically-inspired assembly of molecularly well-defined oligopeptides that flank pi-conjugated oligomers has resulted in the aqueous construction of 1-dimensional nanomaterials that encourage electronic delocalization among the pi-electron systems.
According to the National Center for Education Statistics, in 2011 there were 17.6 million undergraduates enrolled in higher education institutions. Of that population, 25% of them were over the age of 25 and another 25% were over the age of 30. This number continues to grow as it is estimated that by 2019, students over 25 will increase by another 23%. This new majority filling campuses are called the non-traditional student. Unlike traditional students who are 18-22 years old, fresh out of high school and a dependent of their parents, non-traditional students are typically over the age of 25, financially independent and work full time.
The SGA Scholarship for Non- Traditional Students is available to full- time non- traditional students at Edinboro University of Pennsylvania. You must be at least 24 years old at the time of enrol...
An electrosurgical system for sealing vessels using capacitive (RF) dielectric heating and a method thereof are provided. The system includes an electrosurgical instrument having an end effector with parallel plate electrodes that will clamp onto a vessel and maintain a specified gap distance; however, the electrodes will be coated with a non-conductive dielectric material. Such an end effector will ensure that direct conduction between the electrodes does not occur through tissue or fluids and effectively creates a parallel plate capacitor with a dielectric, e.g., tissue and coating, in between the plates. The electrosurgical instrument will be activated with an AC signal at a specified RF frequency, e.g., a Debye resonance frequency, via an electrosurgical generator. An effective AC current will flow through the tissue and cause heating due to fictional losses from rotating polar molecules in the tissue.
... for female, sophomores, juniors, seniors, graduate, or non-traditional students attending Murray State University. Applicants must have a minimum 3.0 GPA and submit a non-traditional student essay. Number of awards and award amount may vary. Nonrenewable; but recipients may reapply and compete annually.. ...
The purpose of this half-day course is to describe diffusion-weighted imaging acquisition methods, with a focus on pulse sequences. The knowledge obtained in the course should allow the participant to pursue new strategies for acquiring non-traditional diffusion-weighted imaging data and potential applications. The participant will gain knowledge of the benefits and limitations of these advanced methods. ...
Dominic Schnider, Head of Non-traditional Asset Classes at UBS Wealth Management, discusses coppers recent slump and his bearish stance on the precious metal. He sees the latter falling to $1,050 this year.
Nearly 100 percent of them are non-traditional, Withers said. They have families, jobs, are older than most campus students, and may have been out of school for a number of years. Most are female, though every class includes a few males. Classes are also becoming more internationally diverse. Many students are not close enough to a campus to attend college in the traditional way ...
Hi, best wishes to you on this lovely Sunday. :-) I have a small concern that I was wondering if youd care to consider: blocking due to user names. Moments ago Dvergne blocked new user LordByron with an expiry time of 6 months with this reason: ("Silly and/or foul username. Account may be recreated as a first name and last initial"). I was wondering if we are being a bit too hasty in blocking for this reason? Certainly we have had way too many spammers/vandals/inappropriate name accounts, and have had to block way more than we should, but to block so quickly before a single edit is made, in a case like this where the use name is not particularly inappropriate, could this be a bit hasty on our part? Could we be discouraging legitimate users? I was just thinking that many older users such as myself, have "nonstandard" user names: Karajou, Conservative, JMR10, are a few other editors that come to mind. We are all valued, responsible editors, although we have non-traditional user names. Just a ...
Today, I thought Id share one of a handful of haiku journals that I really love: Haiku Canada Review. HCR is the publication of Haiku Canada, which is a society of "haiku poets and enthusiasts." The review publishes works by members and non-members alike, both traditional and non-traditional haiku, as well as haiku-related essays, haibun, linked verse (renga), and reviews. The issue Im looking at also has 9 pages of haiku in French; Im not sure if this is a regular feature. The magazine comes with a $25 membership and is, in my estimation, something of a bargain if you cost out how many good poems there are (and if you figure out how to do that, let me know). It is published 3 times a year in February, May and October, which means Im at least one issue behind, reading-wise. In addition, Haiku Canada Sheets often accompany issues, usually focusing on the work of one particular member. More of that below ...
The purpose of this course is to examine theoretical and empirical issues relating to the social psychological and psychological study of African-Americans. Specific attention will be given to: (1) traditional social psychological and non-traditional approaches (Afrocentric) to the study of … Continue reading →. ...
This year, the NFL increased its credential allotment to “non-traditional” media by 20 percent, and Bleacher Report was fortunate enough to be one of those groups credentialed in...
Hi, best wishes to you on this lovely Sunday. :-) I have a small concern that I was wondering if youd care to consider: blocking due to user names. Moments ago Dvergne blocked new user LordByron with an expiry time of 6 months with this reason: ("Silly and/or foul username. Account may be recreated as a first name and last initial"). I was wondering if we are being a bit too hasty in blocking for this reason? Certainly we have had way too many spammers/vandals/inappropriate name accounts, and have had to block way more than we should, but to block so quickly before a single edit is made, in a case like this where the use name is not particularly inappropriate, could this be a bit hasty on our part? Could we be discouraging legitimate users? I was just thinking that many older users such as myself, have "nonstandard" user names: Karajou, Conservative, JMR10, are a few other editors that come to mind. We are all valued, responsible editors, although we have non-traditional user names. Just a ...
D5987 - 96(2015) Standard Test Method for Total Fluorine in Coal and Coke by Pyrohydrolytic Extraction and Ion Selective Electrode or Ion Chromatograph Methods , coal, coal products, coke, fluorine content, ion chromatograph, ion-selective electrode, pyrohydrolysis, tube-furnace ,,
SOUTH HADLEY - Presstek has agreed to pay $31,975 and perform a supplemental environmental project to resolve violations related to a chemical spill at one of the companys South Hadley facilities, which is now closed.. On Oct. 30, 2006, 751 pounds of hydrofluoric acid, a hazardous chemical, were released to the environment through a ventilation fan in the Presstek facility, according to a statement from the U.S. Environmental Protection Agency on Wednesday.. The company, which is based in Hudson, N.H., manufactures digital plates for the printing industry.. The release caused the evacuation of approximately 90 residents living within a one-mile radius of the facility and required that South Hadley public schools be closed as a precautionary measure the following day.. EPAs Emergency Response office responded to the release, assisted with acid gas air monitoring support, and provided technical expertise to state and local emergency response teams.. EPA also developed an assessment strategy for ...
Chapter List Functional/Application Index A absorbent Potassium hydroxide absorbent, acid gases 2-Aminobutanol; Dimethylamine; Hisolve MDM; Methyldiethanolamine absorbent, baby food Delios absorbent, diet food Delios absorbent, gas scrubbing Diethanolamine absorbent, health food Delios absorbent, ion exchange Sodium silicoaluminate absorbent, NO x 1,3-Dioxolane absorbent, organic synthesis 2-Aminobutanol absorbent, sports food Delios absorption promoter Imwitor 742 absorption promoter, cosmetics Glyceryl caprate; Imwitor 408; Imwitor 412 absorption promoter, fat-soluble vitamins Lutrol E 1500; Lutrol E 3350; Lutrol E 4000; Lutrol E 6000 absorption promoter, oral pharmaceuticals Labrasol absorption promoter, pharmaceuticals Lauryl pyrrolidone; Surfadone LP-300 absorption promoter, rectal pharmaceuticals Imwitor 408; Imwitor 412; Labrasol absorption promoter, sl. Learn more about Part IV: Functional/Application Index on GlobalSpec.
Helenin, the active principle of Helenium Autumnale, is a crystalline substance of the empirical formula, C20H25O5; its melting point is 167° to 168°, and in water solution it reacts neutral. It reduces alkaline copper mannite solution on slight warming, but does not reduce this solution even on long standing in the cold. It gives with yeast, both before and after boiling with dilute hydrochloric acid solutions, no carbon dioxide gas formation, is optically inactive, and gives no osazone. The color test for carbohydrates with the Molisch reaction is negative. It contains then no carbohydrate group in the molecule, and is therefore no glucoside. It decolorizes solutions of Bromine in chloroform after one or two minutes in the cold completely, without evolution of hydrobromic acid gas. Accordingly one can conclude that Helenin contains unsaturated bonds, double linkages, which probably account for its property of reducing copper mannite solutions.. The pharmacological action of crystalline ...
The Global Activated Carbon Market is expected to reach USD 10.15 billion by 2024, according to a new report by Grand View Research, Inc. Increasing demand for air & water purification in the coal-fired plants, clinker cement industries is expected to drive the demand for granular and powdered activated carbon.. Activated carbon possesses a high degree of micro porosity and adsorption properties, owing to which it is preferred in air and water purification across various end-use industries. Applications in the removal of mercury, acid gas toxins along with metallic emissions from coal & oil powered plants are expected to fuel industry growth. Rising concerns regarding drinking water safety along with a shift in trend towards adopting healthy lifestyle are anticipated to drive market demand.. Increasing environmental pollution due to industrial and vehicular emissions is projected to fuel air purification segment. Water treatment applications include municipal treatment, domestic water filters, ...
A study carried out at the University of Pretoria characterised aerosol particle morphology of residential coal combustion smoke. The general approach in this study was on individual particle conglomerations because the radiative, environmental, and health effects of particles may depend on specific properties of individual particles rather than on the averaged bulk composition properties. A novel, miniature denuder system, developed and tested at the University of Pretoria, was used to capture particle emissions from the coal fires. The denuder consists of two silicone rubber traps (for gas phase semi-volatile organic compound monitoring) in series separated by a quartz fibre filter (for particle collection). The denuders were positioned 1 m away from the fire and were connected to pumps that sampled ~5 litres of air over a 10 min sampling interval. A JSM 5800LV Scanning Electron Microscope with a Thermo Scientific EDS was used to analyse the structure and morphology of different aerosol samples from

Remediated Sequence 









- 1PH0: Non-carboxylic Acid-Containing Inhibitor of PTP1B Targeting the Second Phosphotyrosine...Remediated Sequence - 1PH0: Non-carboxylic Acid-Containing Inhibitor of PTP1B Targeting the Second Phosphotyrosine...

Targeting the Second Phosphotyrosine Binding Site with Non-Carboxylic Acid-Containing Ligands. ... Non-carboxylic Acid-Containing Inhibitor of PTP1B Targeting the Second Phosphotyrosine Site. ... See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005). ...
more infohttp://www.rcsb.org/pdb/explore/remediatedSequence.do?structureId=1PH0

Table of Contents - Acta Poloniae Pharmaceutica - Drug Research - PTFarmTable of Contents - Acta Poloniae Pharmaceutica - Drug Research - PTFarm

Comparative study of antithrombotic and antiaggregatory activity of acetylsalicylic acid, ticlopidine and a new noncarboxylic ... Thin-layer chromatographic anałysis ofnalidixic acid, oxolinic acid and cinoxacin. Hanna Hopkała, Dorota Kowalczuk WIĘCEJ The ... Extraction of Acid Orange 12 with Aliqnat 336 and the analysis of some metal ons by using silica gel impreg-nated with the ion- ... The effect of acetylsalicylic acid on the stability of methocarbamol in complex drugs.. Jan Krzek, Małgorzata Starek WIĘCEJ The ...
more infohttps://ptfarm.pl/wydawnictwa/czasopisma/acta-poloniae-pharmaceutica/110/12424

Hydrogen Cyanide | Profiles RNSHydrogen Cyanide | Profiles RNS

Acids, Noncarboxylic [D01.029.260]. *Hydrogen Cyanide [D01.029.260.330]. *Nitrogen Compounds [D01.625]. *Hydrogen Cyanide [ ...
more infohttps://profiles.rush.edu/display/23921

Waste and Recycling Equipment  in Europe | Environmental XPRTWaste and Recycling Equipment in Europe | Environmental XPRT

The SupelMIP SPE - NSAIDs phase is compatible with other non-carboxylic acid anti-inflammatory drugs ... ... The NSAIDs that we have tested so far include: Naproxen, Clofibric Acid, Diclofenac, and Ibuprofen. ... acids and bases over the entire pH-range - Possibility for automating the entire process LiChrolut® EN was especially developed ...
more infohttps://www.environmental-expert.com/waste-recycling/products/location-europe

Adsorption of Pb(II) and Cd(II) by Squid Ommastrephes bartrami MelaninAdsorption of Pb(II) and Cd(II) by Squid Ommastrephes bartrami Melanin

for aromatic C=C and C=N bending and C=O stretching (non-carboxylic acid), it was 1590-1690 ; for C=O stretching ionized COO-, ... Amino acid analysis indicated no change of amino acid composition. SEM images (Figures 5(a), 5(b) and 5(c)) of the squid ... Amino Acid Analysis. The amino acid content of the melanin was measured by the method described previously [8]. Melanin (5 mg) ... L of a pH 2.2 buffer for amino acid analysis. An aliquot of 0.1 mL was injected into the amino acid analyzer (Hitachi High ...
more infohttps://www.hindawi.com/journals/bca/2009/901563/

SMART: PTPc DSPc domain annotationSMART: PTPc DSPc domain annotation

Oxalyl-aryl-Amino Benzoic acid Inhibitors of PTP1B, compound 8b. 1ph0. Non-carboxylic Acid-Containing Inhibitor of PTP1B ... 2014) Nucleic Acids Res doi: 10.1093/nar/gku949. Letunic et al. (2017) Nucleic Acids Res doi: 10.1093/nar/gkx922 ... Protein tyrosine phosphatase 1B with sulfamic acid inhibitors. 2f6v. Protein tyrosine phosphatase 1B with sulfamic acid ... Protein tyrosine phosphatase 1B with sulfamic acid inhibitors. 2f6y. Protein tyrosine phosphatase 1B with sulfamic acid ...
more infohttp://smart.embl.de/smart/do_annotation.pl?DOMAIN=PTPc_DSPc&START=241&END=363&E_VALUE=9.9e-6&TYPE=SMART&BLAST=LHAKVLEFGWPDLHTPALEKICSVCKAMDTWLNADPHNVVVLHNKGNRGRIGVVIAAYLHYSNISASADQALDRFAMKRFYEDKIVPIGQPSQRRYVHYFSGLLSGSIKMNNKPLFLHHVIMH

SMART: PTPc domain annotationSMART: PTPc domain annotation

Non-carboxylic Acid-Containing Inhibitor of PTP1B Targeting the Second Phosphotyrosine Site. 1ptt. CRYSTAL STRUCTURE OF PROTEIN ... 2014) Nucleic Acids Res doi: 10.1093/nar/gku949. Letunic et al. (2017) Nucleic Acids Res doi: 10.1093/nar/gkx922 ... Oxalyl-Aryl-Amino Benzoic Acid inhibitors of PTP1B, compound 17. 1onz. Oxalyl-aryl-Amino Benzoic acid Inhibitors of PTP1B, ... Protein tyrosine phosphatase 1B with sulfamic acid inhibitors. 2f6v. Protein tyrosine phosphatase 1B with sulfamic acid ...
more infohttp://smart.embl.de/smart/do_annotation.pl?DOMAIN=PTPc&

Plus itPlus it

These UGTs also catalyze the glucuronidation of a number of noncarboxylic acid compounds, including both endogenous and ... trifluoroacetic acid in water (A) and 0.1% trifluoroacetic acid in acetonitrile (B) and was delivered at 0.2 ml/min. The mobile ... After adjustment with acetic acid to about pH 5, an aliquot was analyzed by HPLC. A control incubation was conducted at pH 6.8 ... McGurk KA, Remmel RP, Hosagrahara VP, Tosh D, and Burchell B (1996) Reactivity of mefenamic acid 1-O-acyl glucuronide with ...
more infohttp://dmd.aspetjournals.org/content/35/12/2203

Plus itPlus it

A novel series of non-carboxylic acid, non-hydantoin inhibitors of aldose reductase with potent oral activity in diabetic rat ... Zopolrestat is a representative of the carboxylic acid ARI class. The carboxylic acid moiety is indicated by the atoms above ... the carboxylic acid inhibitors (e.g., zopolrestat) penetrate tissues poorly and are not very potent in vivo, whereas the ... perchloric acid and frozen for later analysis. On the day of analysis, samples were thawed, homogenized, and neutralized with ...
more infohttp://diabetes.diabetesjournals.org/content/55/10/2757

3-Amino-2-oxy-propoxy-substituted isothiazoles - Patent # 4119718 - PatentGenius3-Amino-2-oxy-propoxy-substituted isothiazoles - Patent # 4119718 - PatentGenius

... malic acid, pivalic acid, heptanoic acid, lauric acid, propanoic acid, pelargonic acid, oleic acid and the like, and non- ... Examples of useful organic acids are carboxylic acids such as acetic acid, pamoic acid,maleic acid, succinic acid, citric acid ... Examples of usefulinorganic acids are the hydrogen halides i.e. HCl, HBr, HI, phosphoric acid, sulfuric acid, and the like. The ... The pharmaceutically acceptable salts are the acid addition salts of the formula I free base. Suitable acids include organic as ...
more infohttp://www.patentgenius.com/patent/4119718.html

Volume 3.03 | Jan 30 - Dermal Cell NewsVolume 3.03 | Jan 30 - Dermal Cell News

Highly Potent Non-Carboxylic Acid Autotaxin Inhibitors Reduce Melanoma Metastasis and Chemotherapeutic Resistance of Breast ... α and retinoic acid receptor-γ/RXR-β are bound as repressing complexes to their cognate DNA-binding sequence(s) in the thymic ...
more infohttp://www.dermalcellnews.com/issue/volume-3-03-jan-30/

Pyrophosphoric acid - DrugBankPyrophosphoric acid - DrugBank

Pyrophosphoric_acid. PDB Entries. 1xsp / 2bcq / 2bcr / 2bcs / 2bcu / 2e90 / 2e9t / 2e9z / 2ec0 / 2o1c … ... Sodium pyrophosphate (1.0 g/200g) + D-alpha-Tocopherol acetate (0.18 g/200g) + Silicic acid (30 g/200g). Paste, dentifrice. ... Sodium pyrophosphate (1.0 g/200g) + D-alpha-Tocopherol acetate (0.18 g/200g) + Silicic acid (30 g/200g). Paste, dentifrice. ... Pyrophosphoric acid. Accession Number. DB04160 (EXPT01258, DB11055) Type. Small Molecule. Groups. Approved, Experimental. ...
more infohttps://www.drugbank.ca/drugs/DB04160

Potassium alum - DrugBankPotassium alum - DrugBank

Acetylsalicylic acid. Potassium alum may increase the hyperkalemic activities of Acetylsalicylic acid. ... Similar effect is observed in disinfectants where these ions react with the free organic acid and thiol groups of proteins on ... Serum albumin, the main protein of plasma, has a good binding capacity for water, Ca(2+), Na(+), K(+), fatty acids, hormones, ...
more infohttps://www.drugbank.ca/drugs/DB09087

Hydrogen Sulfide
      - Sulfide, Hydrogen
     Summary Report | CureHunterHydrogen Sulfide - Sulfide, Hydrogen Summary Report | CureHunter

Acids: 3146*Noncarboxylic Acids*Hydrogen Sulfide: 1107. *Sulfur Compounds: 135*Hydrogen Sulfide: 1107*Sulfides: 69 ...
more infohttp://www.curehunter.com/public/keywordSummaryD006862-Hydrogen-Sulfide-Sulfide--Hydrogen.do

Nitric Acid
     Summary Report | CureHunterNitric Acid Summary Report | CureHunter

Nitric acid (HNO3). A colorless liquid that is used in the manufacture of inorganic and organic nitrates and nitro compounds ... Acids: 3146*Noncarboxylic Acids*Nitric Acid: 86*aqua regia. *Super Etch. *Tenure Dentin Conditioner ... Nitric Acid. Subscribe to New Research on Nitric Acid Nitric acid (HNO3). A colorless liquid that is used in the manufacture of ... 04/01/2010 - "The nitric acid burn trauma of the skin.". 10/01/2008 - "Chemical burn injuries including nitric acid injuries ...
more infohttp://www.curehunter.com/public/keywordSummaryD017942-Nitric-Acid.do

Design, Synthesis, and Preliminary Bioactivity Evaluation of 2,7-Substituted Carbazole Derivatives as Potent Autotaxin...Design, Synthesis, and Preliminary Bioactivity Evaluation of 2,7-Substituted Carbazole Derivatives as Potent Autotaxin...

Highly potent non-carboxylic acid autotaxin inhibitors reduce melanoma metastasis and chemotherapeutic resistance of breast ... Mills, G.B.; Moolenaar, W.H. The emerging role of lysophosphatidic acid in cancer. Nat. Rev. Cancer, 2003, 3(8), 582-591. ... Albers, H.M.; Hendrickx, L.J.; van Tol, R.J.; Hausmann, J.; Perrakis, A.; Ovaa, H. Structure-based design of novel boronic acid ... Molecular docking study shows that compound III is located in a pocket, which mainly comprises amino acids 209 to 316 in domain ...
more infohttp://www.eurekaselect.com/165013/article

Indian Patents. 214743:DETERGENT COMPOSITIONSIndian Patents. 214743:DETERGENT COMPOSITIONS

In either case, the percentage by weight of the polymer units derived from non-carboxylic acids is preferably less than about ... Preferred carboxylic acids are acrylic acid, hydroxyacrylic acid, methacrylic acid, maleic acid, fumanc acid, itaconic acid, ... fumaric acid, itaconic acid, aconitic acid, mesaconic acid, citraconic acid and methylenemalonic acid. The presence in the ... aconitic acid, crotonic acid, and citraconic acid. The polycarboxylic acids (e.g. maleic acid) can be polymensed in the form of ...
more infohttp://www.allindianpatents.com/patents/214743-detergent-compositions

Aqueous flame retardant composition for mineral fiber-based mat, and mats obtained - SAINT-GOBAIN ADFORSAqueous flame retardant composition for mineral fiber-based mat, and mats obtained - SAINT-GOBAIN ADFORS

... non-carboxylic acrylic-acrylonitrile, carboxylic butyl acrylate, polyvinylidene chloride-acrylic acid, methyl methacrylate- ... polyvinylidene chloride-acrylic acid, methyl methacrylate-styrene, acrylic acid-styrene, polyacrylic acid, or urea-formaldehyde ... styrene, acrylic acid-styrene, polyacrylic acid, or polyurethane resin, a polyester resin, a urea-formaldehyde, melamine- ... 2. The composition of claim 1, wherein the thermoplastic or thermoset resin is a ethyl acrylate-methyl methacrylate, non-carboxylic ...
more infohttp://www.freepatentsonline.com/9447254.html

Patent US3642739 - Process for production of hydroxyl-containing copolymers - Google PatentsPatent US3642739 - Process for production of hydroxyl-containing copolymers - Google Patents

... a carboxylic acid, alcohol, phenol, mercaptan or thiophenol with (B) at least one other noncarboxylic olefinically unsaturated ... Examples of such acids are pivalic acid, alpha,alpha-dimethyldecanoic acid, alpha, alpha-dimethylhexadecanoic acid and mixtures ... such as lauric acid, palmitic acid, stearic acid or mixtures of fatty acids; furthermore, reaction products of ethylene oxide ... This reaction takes place under the influence of acid catalysts, for example, phosphoric acid, sulfuric acid, and complexes of ...
more infohttp://www.google.com/patents/US3642739?dq=3798360

7-amino-2-(((2-methyl-1-(3-phenylpropanoylamino)propyl)hydroxyphosphinoyl)methyl)heptanoic acid | CTD7-amino-2-(((2-methyl-1-(3-phenylpropanoylamino)propyl)hydroxyphosphinoyl)methyl)heptanoic acid | CTD

AcidsAcids, Noncarboxylic ← Phosphorus Acids ← Phosphinic Acids ← 7-. amino-. 2-. (((2-. methyl-. 1-. (3- ... Chemicals ← Amino Acids, Peptides, and Proteins ← Amino Acids ← 7-. amino-. 2-. (((2-. methyl-. 1-. (3-. phenylpropanoylamino) ... Phosphorus Acids ← Phosphinic Acids ← 7-. amino-. 2-. (((2-. methyl-. 1-. (3-. phenylpropanoylamino)propyl)hydroxyphosphinoyl) ... methyl)heptanoic acid 3.. Chemicals ← Organic Chemicals ← Organophosphorus Compounds ← Phosphinic Acids ← 7-. amino-. 2-. (((2- ...
more infohttp://ctdbase.org/detail.go?type=chem&acc=C487111

Durapatite | CTDDurapatite | CTD

AcidsAcids, Noncarboxylic ← Phosphorus Acids ← Phosphoric Acids ← Phosphates ← Calcium Phosphates ← Apatites ← ...
more infohttp://ctdbase.org/detail.go?type=chem&acc=D017886

Investigation of synergistic mechanism and identification of interaction site of aldose reductase with the combination of...Investigation of synergistic mechanism and identification of interaction site of aldose reductase with the combination of...

Maccari R, Ciurleo R, Giglio M, Cappiello M, Moschini R, Corso AD, Mura U, Ottanà R. Identification of new non-carboxylic acid ... and in vitro aldose reductase inhibitory activity of non-carboxylic acid containing 2,4-thiazolidinedione derivatives. Bioorg ... Gigantol and syringic acid synergize to inhibit DC lens opacification in STZ-induced rat model in vivo We next examined the ... Syringic acid was administered at doses of 0, 0.125, 0.625, 1.25, and 2.5 μg/mL. The doses used for the combination are listed ...
more infohttps://bmccomplementalternmed.biomedcentral.com/articles/10.1186/s12906-016-1251-5

US4284548A - Ambient temperature curable hydroxyl containing polymer/silicon compositions 
        - Google PatentsUS4284548A - Ambient temperature curable hydroxyl containing polymer/silicon compositions - Google Patents

... malonic and suberic acids; and dicarboxylic aromatic acids such as phthalic acid, terephthalic acid, isophthalic acid and the ... Any hydroxyl containing organic thermoplastic polymer having at least two hydroxyl radicals which are directly bonded to non-carboxylic ... "dimer acids" such as the dimer of linoleic acid. Hydroxyl-containing monocarboxylic acids (such as ricinoleic acid) can also be ... beta-ethylenically unsaturated carboxylic acids and vinyl esters of saturated fatty acids, and (c) from 10 to 30 percent mer ...
more infohttps://patents.google.com/patent/US4284548

PT98438A - Process for the preparation of susceptible bicylic acid compounds and pharmaceutical compositions containing them 
 ...PT98438A - Process for the preparation of susceptible bicylic acid compounds and pharmaceutical compositions containing them ...

... or groups containing six-membered aromatic rings the non-carboxylic part of the ether containing six-membered aromatic rings ... 4-phenyl-2-quinolyl) -6-hepten-27-1-oic acid, 7-chlorophenylacetic acid, (4-phenyl-2-quinolyl) heptanoic acid 292-dimethyl-6 ... oxyhexanoic acid] 6-C (4-phenyl-2-quinolyl) oxy] hexanoic acid 232- 2-methyl-6 - [(4-phenyl-2-quinolyl) oxy] hexanoic acid 7-C ... 2-piperazinecarboxylic acid 8- (4,5-diphenyl-2-pyrimidylthio) -8,000-hexanoic acid (3-benzylphenyl) -6-heptenoic acid 10000 7 ...
more infohttps://patents.google.com/patent/PT98438A/en

Liste alphabétique			- TermSciences
		Liste alphabétique - TermSciences

Aristolochic Acids. *Arylsulfonic Acids. *Acids, Carbocyclic. *Acids, Heterocyclic. *Acids, Acyclic. *Acids, Noncarboxylic ...
more infohttp://inserm.termsciences.fr/-/Index/Explorer/Alphabet/
  • Eumelanin is a heterogeneous, generally insoluble polymer developed through enzymatic oxidation of the amino acid tyrosine [ 5 - 7 ]. (hindawi.com)
  • Those which bind phosphorylated tyrosine residues may recruit multi-phosphorylated substrates for the adjacent active domains and are more conserved, while the other class have accumulated several variable amino acid substitutions and have a complete loss of tyrosine binding capability. (embl.de)
  • PTPase domains consist of about 300 amino acids. (embl.de)
  • Molecular docking study shows that compound III is located in a pocket, which mainly comprises amino acids 209 to 316 in domain 2 of ATX, and binds with these residues of ATX through van der Waals, conventional hydrogen bonds, and hydrophobic interactions. (eurekaselect.com)
  • Examples of usefulinorganic acids are the hydrogen halides i.e. (patentgenius.com)
  • One exception to such methods has been the use of halosilanes which are known to react at room temperature with hydroxyl containing polymers, however, this procedure has the disadvantage of also producing an undesirable acid by-product, e.g. hydrogen chloride, which if not removed may have a deleterious effect on the performance of the cured composition. (google.com)
  • Researchers demonstrated that in epidermal keratinocytes, unliganded heterodimers of vitamin D receptor/retinoid X receptor (RXR)-α and retinoic acid receptor-γ/RXR-β are bound as repressing complexes to their cognate DNA-binding sequence(s) in the thymic stromal lymphopoietin ( TSLP ) promoter regulatory region. (dermalcellnews.com)
  • Dubois, C.M. Autotaxin promotes cancer invasion via the lysophosphatidic acid receptor 4: Participation of the cyclic AMP/EPAC/Rac1 signaling pathway in invadopodia formation. (eurekaselect.com)
  • Aluminium can cause a decrease in the absorption of Pyrophosphoric acid resulting in a reduced serum concentration and potentially a decrease in efficacy. (drugbank.ca)
  • Calcium can cause a decrease in the absorption of Pyrophosphoric acid resulting in a reduced serum concentration and potentially a decrease in efficacy. (drugbank.ca)
  • Fukuzawa, K. Identification of human plasma lysophospholipase D, a lysophosphatidic acid-producing enzyme, as autotaxin, a multifunctional phosphodiesterase. (eurekaselect.com)
  • Gum tragacanth, the best natural gum for applications where a smooth, non-grainy mucilaginous composition is desirable, is deswelled in the presence of acid or electrolyte, is in particularly shortsupply, and moreover, is among the most expensive of natural gums in use today. (google.com)
  • Yet, three-dimensional structural data show that they share similar conserved structural elements, namely, the phosphate-binding loop encompassing the PTPase signature motif (H/V)C(X)5R(S/T) and an essential general acid/base Asp residue on a surface loop. (embl.de)