Particle Size: Relating to the size of solids.Aerosols: Colloids with a gaseous dispersing phase and either liquid (fog) or solid (smoke) dispersed phase; used in fumigation or in inhalation therapy; may contain propellant agents.Powders: Substances made up of an aggregation of small particles, as that obtained by grinding or trituration of a solid drug. In pharmacy it is a form in which substances are administered. (From Dorland, 28th ed)Nanoparticles: Nanometer-sized particles that are nanoscale in three dimensions. They include nanocrystaline materials; NANOCAPSULES; METAL NANOPARTICLES; DENDRIMERS, and QUANTUM DOTS. The uses of nanoparticles include DRUG DELIVERY SYSTEMS and cancer targeting and imaging.Chemistry, Pharmaceutical: Chemistry dealing with the composition and preparation of agents having PHARMACOLOGIC ACTIONS or diagnostic use.Drug Compounding: The preparation, mixing, and assembling of a drug. (From Remington, The Science and Practice of Pharmacy, 19th ed, p1814)Technology, Pharmaceutical: The application of scientific knowledge or technology to pharmacy and the pharmaceutical industry. It includes methods, techniques, and instrumentation in the manufacture, preparation, compounding, dispensing, packaging, and storing of drugs and other preparations used in diagnostic and determinative procedures, and in the treatment of patients.Drug Carriers: Forms to which substances are incorporated to improve the delivery and the effectiveness of drugs. Drug carriers are used in drug-delivery systems such as the controlled-release technology to prolong in vivo drug actions, decrease drug metabolism, and reduce drug toxicity. Carriers are also used in designs to increase the effectiveness of drug delivery to the target sites of pharmacological actions. Liposomes, albumin microspheres, soluble synthetic polymers, DNA complexes, protein-drug conjugates, and carrier erythrocytes among others have been employed as biodegradable drug carriers.Microspheres: Small uniformly-sized spherical particles, of micrometer dimensions, frequently labeled with radioisotopes or various reagents acting as tags or markers.Suspensions: Colloids with liquid continuous phase and solid dispersed phase; the term is used loosely also for solid-in-gas (AEROSOLS) and other colloidal systems; water-insoluble drugs may be given as suspensions.Excipients: Usually inert substances added to a prescription in order to provide suitable consistency to the dosage form. These include binders, matrix, base or diluent in pills, tablets, creams, salves, etc.Emulsions: Colloids formed by the combination of two immiscible liquids such as oil and water. Lipid-in-water emulsions are usually liquid, like milk or lotion. Water-in-lipid emulsions tend to be creams. The formation of emulsions may be aided by amphiphatic molecules that surround one component of the system to form MICELLES.Lipoproteins, HDL: A class of lipoproteins of small size (4-13 nm) and dense (greater than 1.063 g/ml) particles. HDL lipoproteins, synthesized in the liver without a lipid core, accumulate cholesterol esters from peripheral tissues and transport them to the liver for re-utilization or elimination from the body (the reverse cholesterol transport). Their major protein component is APOLIPOPROTEIN A-I. HDL also shuttle APOLIPOPROTEINS C and APOLIPOPROTEINS E to and from triglyceride-rich lipoproteins during their catabolism. HDL plasma level has been inversely correlated with the risk of cardiovascular diseases.Colloids: Two-phase systems in which one is uniformly dispersed in another as particles small enough so they cannot be filtered or will not settle out. The dispersing or continuous phase or medium envelops the particles of the discontinuous phase. All three states of matter can form colloids among each other.Lipoproteins, LDL: A class of lipoproteins of small size (18-25 nm) and light (1.019-1.063 g/ml) particles with a core composed mainly of CHOLESTEROL ESTERS and smaller amounts of TRIGLYCERIDES. The surface monolayer consists mostly of PHOSPHOLIPIDS, a single copy of APOLIPOPROTEIN B-100, and free cholesterol molecules. The main LDL function is to transport cholesterol and cholesterol esters to extrahepatic tissues.Chitosan: Deacetylated CHITIN, a linear polysaccharide of deacetylated beta-1,4-D-glucosamine. It is used in HYDROGEL and to treat WOUNDS.Inhalation Exposure: The exposure to potentially harmful chemical, physical, or biological agents by inhaling them.Microscopy, Electron, Scanning: Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.Virion: The infective system of a virus, composed of the viral genome, a protein core, and a protein coat called a capsid, which may be naked or enclosed in a lipoprotein envelope called the peplos.Silicon Dioxide: Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.Polyglycolic Acid: A biocompatible polymer used as a surgical suture material.Drug Delivery Systems: Systems for the delivery of drugs to target sites of pharmacological actions. Technologies employed include those concerning drug preparation, route of administration, site targeting, metabolism, and toxicity.Solubility: The ability of a substance to be dissolved, i.e. to form a solution with another substance. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Metal Nanoparticles: Nanoparticles produced from metals whose uses include biosensors, optics, and catalysts. In biomedical applications the particles frequently involve the noble metals, especially gold and silver.Nanocapsules: Nanometer-sized, hollow, spherically-shaped objects that can be utilized to encapsulate small amounts of pharmaceuticals, enzymes, or other catalysts (Glossary of Biotechnology and Nanobiotechnology, 4th ed).Surface Properties: Characteristics or attributes of the outer boundaries of objects, including molecules.Drug Stability: The chemical and physical integrity of a pharmaceutical product.Microscopy, Electron: Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen.Microscopy, Electron, Transmission: Electron microscopy in which the ELECTRONS or their reaction products that pass down through the specimen are imaged below the plane of the specimen.Powder Diffraction: Method of using a polycrystalline powder and Rietveld refinement (LEAST SQUARES ANALYSIS) of X-RAY DIFFRACTION or NEUTRON DIFFRACTION. It circumvents the difficulties of producing single large crystals.Nebulizers and Vaporizers: Devices that cause a liquid or solid to be converted into an aerosol (spray) or a vapor. It is used in drug administration by inhalation, humidification of ambient air, and in certain analytical instruments.Materials Testing: The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TISSUE ADHESIVES; etc., for hardness, strength, durability, safety, efficacy, and biocompatibility.Polymethacrylic Acids: Poly-2-methylpropenoic acids. Used in the manufacture of methacrylate resins and plastics in the form of pellets and granules, as absorbent for biological materials and as filters; also as biological membranes and as hydrogens. Synonyms: methylacrylate polymer; poly(methylacrylate); acrylic acid methyl ester polymer.Wettability: The quality or state of being wettable or the degree to which something can be wet. This is also the ability of any solid surface to be wetted when in contact with a liquid whose surface tension is reduced so that the liquid spreads over the surface of the solid.Lipoproteins: Lipid-protein complexes involved in the transportation and metabolism of lipids in the body. They are spherical particles consisting of a hydrophobic core of TRIGLYCERIDES and CHOLESTEROL ESTERS surrounded by a layer of hydrophilic free CHOLESTEROL; PHOSPHOLIPIDS; and APOLIPOPROTEINS. Lipoproteins are classified by their varying buoyant density and sizes.Particulate Matter: Particles of any solid substance, generally under 30 microns in size, often noted as PM30. There is special concern with PM1 which can get down to PULMONARY ALVEOLI and induce MACROPHAGE ACTIVATION and PHAGOCYTOSIS leading to FOREIGN BODY REACTION and LUNG DISEASES.Delayed-Action Preparations: Dosage forms of a drug that act over a period of time by controlled-release processes or technology.Nanostructures: Materials which have structured components with at least one dimension in the range of 1 to 100 nanometers. These include NANOCOMPOSITES; NANOPARTICLES; NANOTUBES; and NANOWIRES.Quartz: Quartz (SiO2). A glassy or crystalline form of silicon dioxide. Many colored varieties are semiprecious stones. (From Grant & Hackh's Chemical Dictionary, 5th ed)Freeze Drying: Method of tissue preparation in which the tissue specimen is frozen and then dehydrated at low temperature in a high vacuum. This method is also used for dehydrating pharmaceutical and food products.Digestion: The process of breakdown of food for metabolism and use by the body.Apolipoprotein A-I: The most abundant protein component of HIGH DENSITY LIPOPROTEINS or HDL. This protein serves as an acceptor for CHOLESTEROL released from cells thus promoting efflux of cholesterol to HDL then to the LIVER for excretion from the body (reverse cholesterol transport). It also acts as a cofactor for LECITHIN CHOLESTEROL ACYLTRANSFERASE that forms CHOLESTEROL ESTERS on the HDL particles. Mutations of this gene APOA1 cause HDL deficiency, such as in FAMILIAL ALPHA LIPOPROTEIN DEFICIENCY DISEASE and in some patients with TANGIER DISEASE.Animal Feed: Foodstuff used especially for domestic and laboratory animals, or livestock.Air Pollutants, Occupational: Air pollutants found in the work area. They are usually produced by the specific nature of the occupation.Porosity: Condition of having pores or open spaces. This often refers to bones, bone implants, or bone cements, but can refer to the porous state of any solid substance.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).Polystyrenes: Polymerized forms of styrene used as a biocompatible material, especially in dentistry. They are thermoplastic and are used as insulators, for injection molding and casting, as sheets, plates, rods, rigid forms and beads.Calorimetry, Differential Scanning: Differential thermal analysis in which the sample compartment of the apparatus is a differential calorimeter, allowing an exact measure of the heat of transition independent of the specific heat, thermal conductivity, and other variables of the sample.Nanomedicine: The branch of medicine concerned with the application of NANOTECHNOLOGY to the prevention and treatment of disease. It involves the monitoring, repair, construction, and control of human biological systems at the molecular level, using engineered nanodevices and NANOSTRUCTURES. (From Freitas Jr., Nanomedicine, vol 1, 1999).Polyethylene Glycols: Polymers of ETHYLENE OXIDE and water, and their ethers. They vary in consistency from liquid to solid depending on the molecular weight indicated by a number following the name. They are used as SURFACTANTS, dispersing agents, solvents, ointment and suppository bases, vehicles, and tablet excipients. Some specific groups are NONOXYNOLS, OCTOXYNOLS, and POLOXAMERS.Signal Recognition Particle: A cytosolic ribonucleoprotein complex that acts to induce elongation arrest of nascent presecretory and membrane proteins until the ribosome becomes associated with the rough endoplasmic reticulum. It consists of a 7S RNA and at least six polypeptide subunits (relative molecular masses 9, 14, 19, 54, 68, and 72K).Lipids: A generic term for fats and lipoids, the alcohol-ether-soluble constituents of protoplasm, which are insoluble in water. They comprise the fats, fatty oils, essential oils, waxes, phospholipids, glycolipids, sulfolipids, aminolipids, chromolipids (lipochromes), and fatty acids. (Grant & Hackh's Chemical Dictionary, 5th ed)Filtration: A process of separating particulate matter from a fluid, such as air or a liquid, by passing the fluid carrier through a medium that will not pass the particulates. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Poloxamer: A nonionic polyoxyethylene-polyoxypropylene block co-polymer with the general formula HO(C2H4O)a(-C3H6O)b(C2H4O)aH. It is available in different grades which vary from liquids to solids. It is used as an emulsifying agent, solubilizing agent, surfactant, and wetting agent for antibiotics. Poloxamer is also used in ointment and suppository bases and as a tablet binder or coater. (Martindale The Extra Pharmacopoeia, 31st ed)Nanospheres: Spherical particles of nanometer dimensions.Apolipoproteins: Protein components on the surface of LIPOPROTEINS. They form a layer surrounding the hydrophobic lipid core. There are several classes of apolipoproteins with each playing a different role in lipid transport and LIPID METABOLISM. These proteins are synthesized mainly in the LIVER and the INTESTINES.Silver: Silver. An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA.Dust: Earth or other matter in fine, dry particles. (Random House Unabridged Dictionary, 2d ed)Nanotechnology: The development and use of techniques to study physical phenomena and construct structures in the nanoscale size range or smaller.Administration, Inhalation: The administration of drugs by the respiratory route. It includes insufflation into the respiratory tract.TriglyceridesEnvironmental Monitoring: The monitoring of the level of toxins, chemical pollutants, microbial contaminants, or other harmful substances in the environment (soil, air, and water), workplace, or in the bodies of people and animals present in that environment.Tablets: Solid dosage forms, of varying weight, size, and shape, which may be molded or compressed, and which contain a medicinal substance in pure or diluted form. (Dorland, 28th ed)Dosage Forms: Completed forms of the pharmaceutical preparation in which prescribed doses of medication are included. They are designed to resist action by gastric fluids, prevent vomiting and nausea, reduce or alleviate the undesirable taste and smells associated with oral administration, achieve a high concentration of drug at target site, or produce a delayed or long-acting drug effect.Air Pollutants: Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or material. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS.Liposomes: Artificial, single or multilaminar vesicles (made from lecithins or other lipids) that are used for the delivery of a variety of biological molecules or molecular complexes to cells, for example, drug delivery and gene transfer. They are also used to study membranes and membrane proteins.Povidone: A polyvinyl polymer of variable molecular weight; used as suspending and dispersing agent and vehicle for pharmaceuticals; also used as blood volume expander.Latex: A milky, product excreted from the latex canals of a variety of plant species that contain cauotchouc. Latex is composed of 25-35% caoutchouc, 60-75% water, 2% protein, 2% resin, 1.5% sugar & 1% ash. RUBBER is made by the removal of water from latex.(From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). Hevein proteins are responsible for LATEX HYPERSENSITIVITY. Latexes are used as inert vehicles to carry antibodies or antigens in LATEX FIXATION TESTS.Titanium: A dark-gray, metallic element of widespread distribution but occurring in small amounts; atomic number, 22; atomic weight, 47.90; symbol, Ti; specific gravity, 4.5; used for fixation of fractures. (Dorland, 28th ed)Cholesterol, HDL: Cholesterol which is contained in or bound to high-density lipoproteins (HDL), including CHOLESTEROL ESTERS and free cholesterol.X-Ray Diffraction: The scattering of x-rays by matter, especially crystals, with accompanying variation in intensity due to interference effects. Analysis of the crystal structure of materials is performed by passing x-rays through them and registering the diffraction image of the rays (CRYSTALLOGRAPHY, X-RAY). (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Mastication: The act and process of chewing and grinding food in the mouth.Virus Assembly: The assembly of VIRAL STRUCTURAL PROTEINS and nucleic acid (VIRAL DNA or VIRAL RNA) to form a VIRUS PARTICLE.Poaceae: A large family of narrow-leaved herbaceous grasses of the order Cyperales, subclass Commelinidae, class Liliopsida (monocotyledons). Food grains (EDIBLE GRAIN) come from members of this family. RHINITIS, ALLERGIC, SEASONAL can be induced by POLLEN of many of the grasses.Metered Dose Inhalers: A small aerosol canister used to release a calibrated amount of medication for inhalation.Freeze Fracturing: Preparation for electron microscopy of minute replicas of exposed surfaces of the cell which have been ruptured in the frozen state. The specimen is frozen, then cleaved under high vacuum at the same temperature. The exposed surface is shadowed with carbon and platinum and coated with carbon to obtain a carbon replica.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.Air Movements: The motion of air currents.Lipoproteins, VLDL: A class of lipoproteins of very light (0.93-1.006 g/ml) large size (30-80 nm) particles with a core composed mainly of TRIGLYCERIDES and a surface monolayer of PHOSPHOLIPIDS and CHOLESTEROL into which are imbedded the apolipoproteins B, E, and C. VLDL facilitates the transport of endogenously made triglycerides to extrahepatic tissues. As triglycerides and Apo C are removed, VLDL is converted to INTERMEDIATE-DENSITY LIPOPROTEINS, then to LOW-DENSITY LIPOPROTEINS from which cholesterol is delivered to the extrahepatic tissues.Centrifugation, Density Gradient: Separation of particles according to density by employing a gradient of varying densities. At equilibrium each particle settles in the gradient at a point equal to its density. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Cellulose: A polysaccharide with glucose units linked as in CELLOBIOSE. It is the chief constituent of plant fibers, cotton being the purest natural form of the substance. As a raw material, it forms the basis for many derivatives used in chromatography, ion exchange materials, explosives manufacturing, and pharmaceutical preparations.Administration, Ophthalmic: Application of pharmaceutically active agents on the tissues of the EYE.Cell Line: Established cell cultures that have the potential to propagate indefinitely.Respiratory Protective Devices: Respirators to protect individuals from breathing air contaminated with harmful dusts, fogs, fumes, mists, gases, smokes, sprays, or vapors.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)Surface-Active Agents: Agents that modify interfacial tension of water; usually substances that have one lipophilic and one hydrophilic group in the molecule; includes soaps, detergents, emulsifiers, dispersing and wetting agents, and several groups of antiseptics.Diffusion: The tendency of a gas or solute to pass from a point of higher pressure or concentration to a point of lower pressure or concentration and to distribute itself throughout the available space. Diffusion, especially FACILITATED DIFFUSION, is a major mechanism of BIOLOGICAL TRANSPORT.Air Microbiology: The presence of bacteria, viruses, and fungi in the air. This term is not restricted to pathogenic organisms.Vaccines, Virus-Like Particle: Vaccines using supra-molecular structures composed of multiple copies of recombinantly expressed viral structural proteins. They are often antigentically indistinguishable from the virus from which they were derived.Equipment Design: Methods of creating machines and devices.Spectroscopy, Fourier Transform Infrared: A spectroscopic technique in which a range of wavelengths is presented simultaneously with an interferometer and the spectrum is mathematically derived from the pattern thus obtained.Biological Availability: The extent to which the active ingredient of a drug dosage form becomes available at the site of drug action or in a biological medium believed to reflect accessibility to a site of action.Emulsifying Agents: SURFACE-ACTIVE AGENTS that induce a dispersion of undissolved material throughout a liquid.Polyvinyl Alcohol: A polymer prepared from polyvinyl acetates by replacement of the acetate groups with hydroxyl groups. It is used as a pharmaceutic aid and ophthalmic lubricant as well as in the manufacture of surface coatings artificial sponges, cosmetics, and other products.Chromatography, Supercritical Fluid: A CHROMATOGRAPHY method using supercritical fluid, usually carbon dioxide under very high pressure (around 73 atmospheres or 1070 psi at room temperature) as the mobile phase. Other solvents are sometimes added as modifiers. This is used both for analytical (SFC) and extraction (SFE) purposes.Apolipoproteins B: Major structural proteins of triacylglycerol-rich LIPOPROTEINS. There are two forms, apolipoprotein B-100 and apolipoprotein B-48, both derived from a single gene. ApoB-100 expressed in the liver is found in low-density lipoproteins (LIPOPROTEINS, LDL; LIPOPROTEINS, VLDL). ApoB-48 expressed in the intestine is found in CHYLOMICRONS. They are important in the biosynthesis, transport, and metabolism of triacylglycerol-rich lipoproteins. Plasma Apo-B levels are high in atherosclerotic patients but non-detectable in ABETALIPOPROTEINEMIA.Food Handling: Any aspect of the operations in the preparation, processing, transport, storage, packaging, wrapping, exposure for sale, service, or delivery of food.Submitochondrial Particles: The various filaments, granules, tubules or other inclusions within mitochondria.Lubricants: Compounds that provide LUBRICATION between surfaces in order to reduce FRICTION.Dry Powder Inhalers: A device that delivers medication to the lungs in the form of a dry powder.Apolipoprotein A-II: The second most abundant protein component of HIGH DENSITY LIPOPROTEINS or HDL. It has a high lipid affinity and is known to displace APOLIPOPROTEIN A-I from HDL particles and generates a stable HDL complex. ApoA-II can modulate the activation of LECITHIN CHOLESTEROL ACYLTRANSFERASE in the presence of APOLIPOPROTEIN A-I, thus affecting HDL metabolism.Calcium Phosphates: Calcium salts of phosphoric acid. These compounds are frequently used as calcium supplements.Cholesterol: The principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils.Cholesterol, LDL: Cholesterol which is contained in or bound to low density lipoproteins (LDL), including CHOLESTEROL ESTERS and free cholesterol.Acrylic ResinsMagnetite Nanoparticles: Synthesized magnetic particles under 100 nanometers possessing many biomedical applications including DRUG DELIVERY SYSTEMS and CONTRAST AGENTS. The particles are usually coated with a variety of polymeric compounds.Lactic Acid: A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed)Gold: A yellow metallic element with the atomic symbol Au, atomic number 79, and atomic weight 197. It is used in jewelry, goldplating of other metals, as currency, and in dental restoration. Many of its clinical applications, such as ANTIRHEUMATIC AGENTS, are in the form of its salts.Viscosity: The resistance that a gaseous or liquid system offers to flow when it is subjected to shear stress. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Hydrocarbons, FluorinatedHyperlipidemia, Familial Combined: A type of familial lipid metabolism disorder characterized by a variable pattern of elevated plasma CHOLESTEROL and/or TRIGLYCERIDES. Multiple genes on different chromosomes may be involved, such as the major late transcription factor (UPSTREAM STIMULATORY FACTORS) on CHROMOSOME 1.Temperature: The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms.Vehicle Emissions: Gases, fumes, vapors, and odors escaping from the cylinders of a gasoline or diesel internal-combustion engine. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Random House Unabridged Dictionary, 2d ed)Scattering, Radiation: The diversion of RADIATION (thermal, electromagnetic, or nuclear) from its original path as a result of interactions or collisions with atoms, molecules, or larger particles in the atmosphere or other media. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Nanocomposites: Nanometer-scale composite structures composed of organic molecules intimately incorporated with inorganic molecules. (Glossary of Biotechnology and Nanobiotechology Terms, 4th ed)Lipoproteins, IDL: A mixture of very-low-density lipoproteins (VLDL), particularly the triglyceride-poor VLDL, with slow diffuse electrophoretic mobilities in the beta and alpha2 regions which are similar to that of beta-lipoproteins (LDL) or alpha-lipoproteins (HDL). They can be intermediate (remnant) lipoproteins in the de-lipidation process, or remnants of mutant CHYLOMICRONS and VERY-LOW-DENSITY LIPOPROTEINS which cannot be metabolized completely as seen in FAMILIAL DYSBETALIPOPROTEINEMIA.Micelles: Particles consisting of aggregates of molecules held loosely together by secondary bonds. The surface of micelles are usually comprised of amphiphatic compounds that are oriented in a way that minimizes the energy of interaction between the micelle and its environment. Liquids that contain large numbers of suspended micelles are referred to as EMULSIONS.Aerosol Propellants: Compressed gases or vapors in a container which, upon release of pressure and expansion through a valve, carry another substance from the container. They are used for cosmetics, household cleaners, and so on. Examples are BUTANES; CARBON DIOXIDE; FLUOROCARBONS; NITROGEN; and PROPANE. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Apolipoproteins A: Structural proteins of the alpha-lipoproteins (HIGH DENSITY LIPOPROTEINS), including APOLIPOPROTEIN A-I and APOLIPOPROTEIN A-II. They can modulate the activity of LECITHIN CHOLESTEROL ACYLTRANSFERASE. These apolipoproteins are low in atherosclerotic patients. They are either absent or present in extremely low plasma concentration in TANGIER DISEASE.Ultracentrifugation: Centrifugation with a centrifuge that develops centrifugal fields of more than 100,000 times gravity. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Hydrogen-Ion Concentration: The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH = log 1/2[1/(H+)], where (H+) is the hydrogen ion concentration in gram equivalents per liter of solution. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Rheology: The study of the deformation and flow of matter, usually liquids or fluids, and of the plastic flow of solids. The concept covers consistency, dilatancy, liquefaction, resistance to flow, shearing, thixotrophy, and VISCOSITY.Nanoconjugates: Tailored macromolecules harboring covalently-bound biologically active modules that target specific tissues and cells. The active modules or functional groups can include drugs, prodrugs, antibodies, and oligonucleotides, which can act synergistically and be multitargeting.Adsorption: The adhesion of gases, liquids, or dissolved solids onto a surface. It includes adsorptive phenomena of bacteria and viruses onto surfaces as well. ABSORPTION into the substance may follow but not necessarily.Capsid: The outer protein protective shell of a virus, which protects the viral nucleic acid.Physicochemical Phenomena: The physical phenomena describing the structure and properties of atoms and molecules, and their reaction and interaction processes.Capsules: Hard or soft soluble containers used for the oral administration of medicine.Zinc Oxide: A mild astringent and topical protectant with some antiseptic action. It is also used in bandages, pastes, ointments, dental cements, and as a sunblock.Chromium Compounds: Inorganic compounds that contain chromium as an integral part of the molecule.Time Factors: Elements of limited time intervals, contributing to particular results or situations.Ferric Compounds: Inorganic or organic compounds containing trivalent iron.Alpha Particles: Positively charged particles composed of two protons and two NEUTRONS, i.e. equivalent to HELIUM nuclei, which are emitted during disintegration of heavy ISOTOPES. Alpha rays have very strong ionizing power, but weak penetrability.Aluminum Oxide: An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories.Crystallization: The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Polyesters: Polymers of organic acids and alcohols, with ester linkages--usually polyethylene terephthalate; can be cured into hard plastic, films or tapes, or fibers which can be woven into fabrics, meshes or velours.Pliability: The quality or state of being able to be bent or creased repeatedly. (From Webster, 3d ed)Air Pollution, Indoor: The contamination of indoor air.Chemistry, Physical: The study of CHEMICAL PHENOMENA and processes in terms of the underlying PHYSICAL PHENOMENA and processes.Nasal Sprays: Pharmacologic agents delivered into the nostrils in the form of a mist or spray.Pharmaceutical Preparations: Drugs intended for human or veterinary use, presented in their finished dosage form. Included here are materials used in the preparation and/or formulation of the finished dosage form.Electrophoresis, Polyacrylamide Gel: Electrophoresis in which a polyacrylamide gel is used as the diffusion medium.Food Coloring Agents: Natural or synthetic dyes used as coloring agents in processed foods.Capsid Proteins: Proteins that form the CAPSID of VIRUSES.Skin Absorption: Uptake of substances through the SKIN.Lactose: A disaccharide of GLUCOSE and GALACTOSE in human and cow milk. It is used in pharmacy for tablets, in medicine as a nutrient, and in industry.Cryoelectron Microscopy: Electron microscopy involving rapid freezing of the samples. The imaging of frozen-hydrated molecules and organelles permits the best possible resolution closest to the living state, free of chemical fixatives or stains.Solvents: Liquids that dissolve other substances (solutes), generally solids, without any change in chemical composition, as, water containing sugar. (Grant & Hackh's Chemical Dictionary, 5th ed)Defective Viruses: Viruses which lack a complete genome so that they cannot completely replicate or cannot form a protein coat. Some are host-dependent defectives, meaning they can replicate only in cell systems which provide the particular genetic function which they lack. Others, called SATELLITE VIRUSES, are able to replicate only when their genetic defect is complemented by a helper virus.Starch: Any of a group of polysaccharides of the general formula (C6-H10-O5)n, composed of a long-chain polymer of glucose in the form of amylose and amylopectin. It is the chief storage form of energy reserve (carbohydrates) in plants.Magnetics: The study of MAGNETIC PHENOMENA.Inclusion Bodies, Viral: An area showing altered staining behavior in the nucleus or cytoplasm of a virus-infected cell. Some inclusion bodies represent "virus factories" in which viral nucleic acid or protein is being synthesized; others are merely artifacts of fixation and staining. One example, Negri bodies, are found in the cytoplasm or processes of nerve cells in animals that have died from rabies.Humidity: A measure of the amount of WATER VAPOR in the air.Molecular Sequence Data: Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.Cattle: Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor.Chromatography, High Pressure Liquid: Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed.Tissue Distribution: Accumulation of a drug or chemical substance in various organs (including those not relevant to its pharmacologic or therapeutic action). This distribution depends on the blood flow or perfusion rate of the organ, the ability of the drug to penetrate organ membranes, tissue specificity, protein binding. The distribution is usually expressed as tissue to plasma ratios.Biocompatible Materials: Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.ManikinsKinetics: The rate dynamics in chemical or physical systems.Lung: Either of the pair of organs occupying the cavity of the thorax that effect the aeration of the blood.Rumen: The first stomach of ruminants. It lies on the left side of the body, occupying the whole of the left side of the abdomen and even stretching across the median plane of the body to the right side. It is capacious, divided into an upper and a lower sac, each of which has a blind sac at its posterior extremity. The rumen is lined by mucous membrane containing no digestive glands, but mucus-secreting glands are present in large numbers. Coarse, partially chewed food is stored and churned in the rumen until the animal finds circumstances convenient for rumination. When this occurs, little balls of food are regurgitated through the esophagus into the mouth, and are subjected to a second more thorough mastication, swallowed, and passed on into other parts of the compound stomach. (From Black's Veterinary Dictionary, 17th ed)Thermogravimetry: Technique whereby the weight of a sample can be followed over a period of time while its temperature is being changed (usually increased at a constant rate).Cholesterol Esters: Fatty acid esters of cholesterol which constitute about two-thirds of the cholesterol in the plasma. The accumulation of cholesterol esters in the arterial intima is a characteristic feature of atherosclerosis.Molecular Weight: The sum of the weight of all the atoms in a molecule.Beclomethasone: An anti-inflammatory, synthetic glucocorticoid. It is used topically as an anti-inflammatory agent and in aerosol form for the treatment of ASTHMA.Adhesiveness: A property of the surface of an object that makes it stick to another surface.Propantheline: A muscarinic antagonist used as an antispasmodic, in rhinitis, in urinary incontinence, and in the treatment of ulcers. At high doses it has nicotinic effects resulting in neuromuscular blocking.Respiratory System Agents: Drugs used for their effects on the respiratory system.Ribonucleoproteins: Complexes of RNA-binding proteins with ribonucleic acids (RNA).Oils: Unctuous combustible substances that are liquid or easily liquefiable on warming, and are soluble in ether but insoluble in water. Such substances, depending on their origin, are classified as animal, mineral, or vegetable oils. Depending on their behavior on heating, they are volatile or fixed. (Dorland, 28th ed)Specific Gravity: The ratio of the density of a material to the density of some standard material, such as water or air, at a specified temperature.Lipoproteins, HDL3: Intermediate-density subclass of the high-density lipoproteins, with particle sizes between 7 to 8 nm. As the larger lighter HDL2 lipoprotein, HDL3 lipoprotein is lipid-rich.Chlorofluorocarbons: A series of hydrocarbons containing both chlorine and fluorine. These have been used as refrigerants, blowing agents, cleaning fluids, solvents, and as fire extinguishing agents. They have been shown to cause stratospheric ozone depletion and have been banned for many uses.Phospholipids: Lipids containing one or more phosphate groups, particularly those derived from either glycerol (phosphoglycerides see GLYCEROPHOSPHOLIPIDS) or sphingosine (SPHINGOLIPIDS). They are polar lipids that are of great importance for the structure and function of cell membranes and are the most abundant of membrane lipids, although not stored in large amounts in the system.Phosphatidylcholine-Sterol O-Acyltransferase: An enzyme secreted from the liver into the plasma of many mammalian species. It catalyzes the esterification of the hydroxyl group of lipoprotein cholesterol by the transfer of a fatty acid from the C-2 position of lecithin. In familial lecithin:cholesterol acyltransferase deficiency disease, the absence of the enzyme results in an excess of unesterified cholesterol in plasma. EC 220.127.116.11.Polyethylenes: Synthetic thermoplastics that are tough, flexible, inert, and resistant to chemicals and electrical current. They are often used as biocompatible materials for prostheses and implants.Zea mays: A plant species of the family POACEAE. It is a tall grass grown for its EDIBLE GRAIN, corn, used as food and animal FODDER.Virus Replication: The process of intracellular viral multiplication, consisting of the synthesis of PROTEINS; NUCLEIC ACIDS; and sometimes LIPIDS, and their assembly into a new infectious particle.Cholesterol, VLDL: Cholesterol which is contained in or bound to very low density lipoproteins (VLDL). High circulating levels of VLDL cholesterol are found in HYPERLIPOPROTEINEMIA TYPE IIB. The cholesterol on the VLDL is eventually delivered by LOW-DENSITY LIPOPROTEINS to the tissues after the catabolism of VLDL to INTERMEDIATE-DENSITY LIPOPROTEINS, then to LDL.Sonication: The application of high intensity ultrasound to liquids.Stearic Acids: A group of compounds that are derivatives of octadecanoic acid which is one of the most abundant fatty acids found in animal lipids. (Stedman, 25th ed)Drug Storage: The process of keeping pharmaceutical products in an appropriate location.Phagocytosis: The engulfing and degradation of microorganisms; other cells that are dead, dying, or pathogenic; and foreign particles by phagocytic cells (PHAGOCYTES).Virosomes: Semi-synthetic complex derived from nucleic-acid free viral particles. They are essentially reconstituted viral coats, where the infectious nucleocapsid is replaced by a compound of choice. Virosomes retain their fusogenic activity and thus deliver the incorporated compound (antigens, drugs, genes) inside the target cell. They can be used for vaccines (VACCINES, VIROSOME), drug delivery, or gene transfer.Polysorbates: Sorbitan mono-9-octadecanoate poly(oxy-1,2-ethanediyl) derivatives; complex mixtures of polyoxyethylene ethers used as emulsifiers or dispersing agents in pharmaceuticals.Viral Proteins: Proteins found in any species of virus.Carbon: A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight [12.0096; 12.0116]. It may occur as several different allotropes including DIAMOND; CHARCOAL; and GRAPHITE; and as SOOT from incompletely burned fuel.Hyperlipidemias: Conditions with excess LIPIDS in the blood.Polyethyleneimine: Strongly cationic polymer that binds to certain proteins; used as a marker in immunology, to precipitate and purify enzymes and lipids. Synonyms: aziridine polymer; Epamine; Epomine; ethylenimine polymer; Montrek; PEI; Polymin(e).Models, Biological: Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.Swine: Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA).Desiccation: Removal of moisture from a substance (chemical, food, tissue, etc.).Ventilation: Supplying a building or house, their rooms and corridors, with fresh air. The controlling of the environment thus may be in public or domestic sites and in medical or non-medical locales. (From Dorland, 28th ed)Green Chemistry Technology: Pollution prevention through the design of effective chemical products that have low or no toxicity and use of chemical processes that reduce or eliminate the use and generation of hazardous substances.Lasers: An optical source that emits photons in a coherent beam. Light Amplification by Stimulated Emission of Radiation (LASER) is brought about using devices that transform light of varying frequencies into a single intense, nearly nondivergent beam of monochromatic radiation. Lasers operate in the infrared, visible, ultraviolet, or X-ray regions of the spectrum.Viral Interference: A phenomenon in which infection by a first virus results in resistance of cells or tissues to infection by a second, unrelated virus.Hypertriglyceridemia: A condition of elevated levels of TRIGLYCERIDES in the blood.Cereals: Seeds from grasses (POACEAE) which are important in the diet.RNA, Viral: Ribonucleic acid that makes up the genetic material of viruses.Rabbits: The species Oryctolagus cuniculus, in the family Leporidae, order LAGOMORPHA. Rabbits are born in burrows, furless, and with eyes and ears closed. In contrast with HARES, rabbits have 22 chromosome pairs.Zirconium: Zirconium. A rather rare metallic element, atomic number 40, atomic weight 91.22, symbol Zr. (From Dorland, 28th ed)
Particle size distribution. Distribution of silicate and aluminate phases. Reactivity of hydrating phases. Gypsum/hemihydrates ... H. 0-8000 ft can be used with accelerators and retarders to cover a wide range of well depths and temperatures. J. 12000-16000 ... Emulsion polymers are supplied as suspensions of polymer particles. They contain about 50% solids. Such particles can ... The smaller size of the Cl− ions causes a greater tendency to diffuse into the C-S-H membrane. Eventually the C-S-H membrane ...
Soil separates are specific ranges of particle sizes. The smallest particles are clay particles and are classified as having ... The soil particles separate based on size and sink to the bottom. Sand particles are the largest (2.00 - 0.05 mm) and sink to ... Silt particles are the medium-sized (0.05 - 0.002 mm) and sink to the bottom of the cylinder after the sand. Clay particles are ... Classifications are typically named for the primary constituent particle size or a combination of the most abundant particles ...
Particle size distribution range from 10 nanometers right up to 100 microns. NanoBrook Omni-- Particle Size Analyzer and Zeta ... Brookhaven has an extensive range of products for particle characterization. 90Plus-Particle Size Analyzer. Based on the ... Improved Techniques for Particle Size Determination by Quasi-Elastic Light Scattering by I. D. Morrison, E. G. Grabowski, and C ... particle size, zeta potential, molecular mass and absolute molar mass analysis. Product designs started when their founders ...
Primary jaw crusher product in intermediate feed particle size ranges (100mm > P80 > 20mm) can be ground in Autogenous or Semi- ... Comminution is the reduction of solid materials from one average particle size to a smaller average particle size, by crushing ... For comminution of finer particle size ranges (20mm > P80 > 30 μm) machines like the ball mill, vertical roller mill, hammer ... which related the energy to the sizes of the feed particles and the product particles; Bond's law, which assumes that the total ...
The mixture of rock has a diverse range of particle size. The average annual air temperature is about 48 degrees F and the ... Characteristics: The depth to carbonates ranges from 14 to 24 inches. Thickness of the mollic epipedon ranges from 8 to 20 ... The slopes ranges from 0 to 25 percent depending on location. The subsoil consists of layers of clay and lime accumulations ... Large areas of Houdek soils are also composed of native range. Crops and grasses grown on the Houdek soil also provide habitat ...
Vibratory fluidized bed
Handle products with a wide range of particle size and shape. Minimal fluidization velocity and pressure drop due to the ... The effects of particle size were modelled as well. It was found that. Larger particle need longer time to dry to reach the ... hence it is useful for processing group C particles which have small size of fine particles, into smaller agglomerates. ... Usually the particle size of the feed material is not a controlled parameter unless methods such as grinding are used but doing ...
Tunnel rock recycling
Particles in this size range do also tend to cluster together. These phenomena are called agglomeration and is unfortunate in ... Classification covers the size control of particles < 1mm. Conventional screeners and crushers are not applicable below this ... Classification accuracy will be of relevance as concrete aggregates do have boundary limits according to Particle-size ... These are utilizing the natural gravitational force and the particles corresponding behavior to separate the particles into ...
Particulate matter sampler
Inertial separators are used to eliminate particles outside of the desired size range. If a gas stream containing particles of ... Particles of different sizes have different health effects. ... The larger particles can be collected and removed from the gas ... where the gas particle stream is directed at a greased metal plate and turned at the last moment, causing the larger particles ... different sizes is forced to turn a sharp corner, the inertia of the large particles causes them to separate from the gas ...
As particle size decreases, surface area increases. This results in a more reactive catalytic surface. The reduced scale of ... have investigated the redox dynamics of sulphur with Ni/GDC anode during SOFC operation at mid- and low-range temperatures in ... Under operation of the fuel cell they determined the change of the particle size of and oxidation state and shell formation of ... Electrospray ionization allows a wider range of substances to be analysed than other ionization methods, due to its ability to ...
Combined injectable birth control
Aqueous suspension with defined particle size range. Chinese Injectable No. 2, Mego-E. Approved in China ... Aqueous suspension with defined particle size range. Ciclofem, Ciclofemina, Cyclofem, Cyclofemina, Cyclogeston, Femelin, ... Mestranol 1.0-1.2 mg + norethisterone 10-12 mg in a microcrystalline aqueous suspension of defined particle sizes (125-177 μm)[ ...
The remaining bodies range down to the size of a dust particle. The asteroid material is so thinly distributed that numerous ... For dust particles within the belt, typical temperatures range from 200 K (−73 °C) at 2.2 AU down to 165 K (−108 °C) at 3.2 AU ... an accretion process of sticky collisions caused the clumping of small particles, which gradually increased in size. Once the ... Skirting the inner edge of the belt (ranging between 1.78 and 2.0 AU, with a mean semi-major axis of 1.9 AU) is the Hungaria ...
Typical particle sizes that can be removed by carbon filters range from 0.5 to 50 micrometres. The particle size will be used ... Each particle/granule of carbon provides a large surface area/pore structure, allowing contaminants the maximum possible ... First the water passes through a 20 micrometer interference (mesh or screen filter) filter to remove sand and dust particles, ...
Micronized rubber powder
MRP particle size distributions typically range from 180 µm to 10 µm. Narrower distributions can be achieved depending on the ... However, in all applications the particle size and loading levels depend on the target application. Due to its size and ... For example, the smaller particle sizes of MRP are known to increase the impact strength of certain plastic compositions. ... MRP is a micron-size material that is produced in various sizes, including 80 mesh and down to 300 mesh. MRP is virtually metal ...
An individual particle in this range size is termed a sand grain. Sand grains are between gravel (with particles ranging from 2 ... By another definition, in terms of particle size as used by geologists, sand particles range in diameter from 0.0625 mm (or 1⁄ ... These sizes are based on the Krumbein phi scale, where size in Φ = -log2D; D being the particle size in mm. On this scale, for ... Sand can also refer to a textural class of soil or soil type; i.e., a soil containing more than 85 percent sand-sized particles ...
Particles can be produced in the range of 300 nm to 5 μm with a narrow size distribution. High yields, up to 90%, can be ... The bed provides a humid environment which causes smaller particles to clump, producing more uniform particle sizes, usually ... within the range of 100 to 300 µm. These powders are free-flowing due to the larger particle size. The fine powders generated ... Droplet sizes can range from 20 to 180 μm depending on the nozzle. There are two main types of nozzles: high pressure single ...
"Control of particle size, at micrometric and nanometric range, using supercritical antisolvent precipitation from solvent ... The supercritical fluid methods result in finer control over particle diameters, distribution of particle size and consistency ... the narrower the particle size distribution will be. Faster precipitation times also tend to result in smaller particle ... The term micronization usually refers to the reduction of average particle diameters to the micrometer range, but can also ...
These particles are also in the indicated size range. Physiologically, the Chaetogaster species have already long been known as ... body size. While the biggest species Ch. diaphanus consumes organisms in the size class of about 0.3-3 mm, which mostly ... The size of the worms, and of their setae too, is very variable even within single species. These worms occur mostly in ... The composition of the food items differs between species, as the size of the sucked in food components depends on each species ...
Burst size ranges from 400-1000 particles per cell. A cluster of sphingolipid producing genes have been identified in EhV-86. ... Due to the extremely small size of the algae cells, the average burst size was found to be 25 virus particles per cell. Viral ... Estimates for burst sizes range from 320 to 600 viruses per cell. Members of the genus Prasinovirus infect small unicellular ... Virus particles were found in the subsurface area and in the viroplasm area In 2009, MacKinder et al. elucidated the entry ...
Double mass analysis
There are three particle size classes pertaining to texture: sand, silt and clay. Within those size classes, the particles can ... Sand particles range from 2.0 mm to 0.0625 mm; silt ranges from 0.0625 mm to 0.0039 mm and clays are classified as anything ... including texture and particle size. The ability for water to move through a profile can greatly impact the amount of erosion ... The larger the particles and the higher the volume of macropores, the more likely it is for water to get in between and cause ...
... the area under the frequency curve between two sizes a and b represents the total fraction of the particles in that size range ... sorted according to size. One approach to defining the particle size distribution uses a list of the sizes of every particle in ... a single number-the particle diameter-suffices to describe the size of the particles. However, more complicated particle-size ... This results in the addition of very small, rapidly growing particles to the particle-size distribution. Water coats particles ...
The solid concentration ranges from 25-65 wt%. The mean particle size suitable for pushers must be at least 150 µm. The ... To create the cake layer, the particle size has to be as large as practically possible. Larger particle size increases the ... Paraxylene-Fed as frozen slurry with a particle size ranging from 100 to 400 µm. Purity of 99.9% is available using a single ... Typical particle sizes must be at least 150 μm and average 200 μm. A high viscosity feed lowers throughput. Pushers have a ...
For submicrometre particle sizes, capillaries with diameters in the range of 0.1 to 1 micrometres develop pressures in the ... They are additionally categorized by fine, medium and coarse particle sizes. By matching the material and particle size to the ... A boundary of unit area will intersect all particles within a volume of 2r which is 2Nr particles. So the number of particles n ... If the size of the particle is small (and its curvature is high), these effects become very large in magnitude. The change in ...
The emery is milled and sieved into different mesh sizes. Emery of a certain size range is then bonded to a paper backing to ... The larger the mesh size, the smaller the abrasive particles. Smaller particles abrade smaller amounts of material and are used ... Operations include deburring, polishing, paint removal, corrosion removal, sizing, etc. This is accomplished by moving the ... bonded or sized to paper often with an animal glue for water resistance. Today, synthetic adhesives are used in place of ...
Academy of Natural Sciences of Drexel University
In fact, the size of the crowds flocking to this display prompted the Academy to relocate to its present-and roomier-location ... Studies may range from the analysis of fish tissues for contaminants, monitoring fish populations for environmental assessments ... particle transport in turbulent aquatic systems; and the ecology and control of exotic invasive plants in urban parks. The ... The size and scope of its collections have grown substantially since the early years. Currently, there are over 17 million ...
The abrasive media particle sizes range from 10 micrometres up to about 150 micrometres. Higher pressures are often required. ... The size of the wheel blast machine, and the number and power of the wheels vary considerably depending on the parts to be ... The colours and size of the spark or glow varies significantly, with heavy bright orange sparks from steel shot blasting, to a ... Blasting lead-based paint can fill the air with lead particles which can be harmful to the nervous system. In the US the ...
Aqueous cyclodextrin solutions can generate aerosols in particle size ranges suitable for pulmonary deposition. Large ... Typical cyclodextrins contain a number of glucose monomers ranging from six to eight units in a ring, creating a cone shape: α ... As a result, these molecules have found a number of applications in a wide range of fields. Cyclodextrins can solubilize ... The cyclodextrin concentration does not modify nebulization efficiency in the range tested. Typical cyclodextrins are ...
Filtration quality is usually measured in microns, based on the smallest size particle filtered. The typical range is from 25 ... Typical mesh sizes range from 40 to 600. When using mesh sizes, 40 is the coarsest and 600 is the finest or highest level of ... Disc filters range in size from small units with a 3/4" inlet and outlet used for landscape drip irrigation systems to very ... The filtration quality is based on the quantity and size of particles that the filtering element is able to retain. Higher ...
The distribution of particles should be uniform in terms of number and weight. Very small particle size causes attraction, ... The size range which he covered in the book was from 10−1 to 105 micrometers. Anything smaller than this but bigger than a ... The knowledge and control of the size of particles is of importance in pharmacy and materials science. The size, and hence the ... Micromeritic properties of a particle, i.e. the particle size in a formulation, influence the physical stability of the ...
Bottom: Illustration of a range of ecological pyramids, including top pyramid of numbers, middle pyramid of biomass, and bottom ... Autotrophs and heterotrophs come in all sizes, from microscopic to many tonnes - from cyanobacteria to giant redwoods, and from ... "the continued movement of the particles of earth". Even earlier, in 1768 John Bruckner described nature as "one continued web ... Charles Elton pioneered the concept of food cycles, food chains, and food size in his classical 1927 book "Animal Ecology"; ...
These sand-size particles are often quartz but there are a few common categories and a wide variety of classification schemes ... This can take place at very shallow depths, ranging from a few meters to tens of meters below the surface. The changes that ... The gravel sized particles that make up conglomerates are well rounded while in breccias they are angular. Conglomerates are ... They generally make up most of the gravel size particles in conglomerates but contribute only a very small amount to the ...
Leeds scores range from 0 (least severe) to 10 (most severe) though modified scales have a maximum score of 12. The ... Particles that release nitric oxide into the skin to decrease skin inflammation caused by C. acnes and the immune system have ... Boxcar scars are round or ovoid indented scars with sharp borders and vary in size from 1.5-4 mm across. Ice-pick scars are ... Dose-Ranging Study". Journal of Drugs in Dermatology. 17 (3): 333-338. PMID 29537451.. ...
Sussman, Robert W.; Hall, Roberta L. (April 1972). "Child Transport, Family Size, and Increase in Human Population During the ... Estimates on when this may have occurred range from 5500 to 3000 BCE with most experts putting it closer to 4000 BCE. The ... such as a space station or particle accelerator. Tools and machines need not be material; virtual technology, such as computer ...
... es are not territorial but generally remain in a home range; they may leave the area in search of food. They can use ... The pupil can be adjusted in size and a retinal pigment screens incident light in bright conditions. ... a caecum where the now sludgy food is sorted into fluids and particles and which plays an important role in absorption, the ... Much larger sizes have been claimed for the giant Pacific octopus: one specimen was recorded as 272 kg (600 lb) with an arm ...
Leaf size varies from 2 mm in many scale-leaved species, up to 400 mm long in the needles of some pines (e.g. Apache Pine, ... The ranges of concentrations occurring in well-grown plants provide a useful guide by which to assess the adequacy of ... Lott, John N. A; Liu, Jessica C; Pennell, Kelly A; Lesage, Aude; West, M Marcia (2002). "Iron-rich particles and globoids in ... The size of mature conifers varies from less than one meter, to over 100 meters. The world's tallest, thickest, largest, and ...
The maximum range of a high-energy photon such as an X-ray in matter is infinite; at every point in the matter traversed by the ... Sharpness of a radiographic image is strongly determined by the size of the X-ray source. This is determined by the area of the ... Anwar K (2013). "Nuclear Radiation Detectors". Particle Physics. Graduate Texts in Physics. Berlin: Springer-Verlag. pp. 1-78. ... Medical radiography includes a range of modalities producing many different types of image, each of which has a different ...
The energy required to lift a medium-sized tomato up 1 metre (3 ft 3 in) (assume the tomato has a mass of approximately 100 ... The Large Hadron Collider (LHC) produces collisions of the microjoule order (7 TeV) per particle.. Millijoule. The millijoule ( ... Studio flashes, using larger capacitors and higher voltages, are in the 200-2000 watt-second range. ...
Megalocnus were the largest genus at up to 90 kilograms (200 lb), Acratocnus were medium-sized relatives of modern two-toed ... of their historic range. Human pressures are to blame for the cheetah population crash, including prey loss due to ... smaller particles that can affect a larger array of species. Microplastics make up the bulk of the Great Pacific Garbage Patch ... Over the past 125,000 years, the average body size of wildlife has fallen by 14% as human actions eradicated megafauna on all ...
Unit cell ball-and-stick model of lithium nitride. On the basis of size a tetrahedral structure would be expected, but ... The value listed is the conventional value suitable for trade and commerce; the actual value may range from 6.938 to 6.997 ... However, Perey noticed decay particles with an energy level below 80 keV. Perey thought this decay activity might have been ... The radius of the H− anion also does not fit the trend of increasing size going down the halogens: indeed, H− is very diffuse ...
... the particle size should be in the range of 3.35-1.4 millimetres (0.132-0.055 in). Activated carbon with particle size less ... Particle size distribution. The finer the particle size of an activated carbon, the better the access to the surface area ... A 20×40 carbon is made of particles that will pass through a U.S. Standard Mesh Size No. 20 sieve (0.84 mm) (generally ... Careful consideration of particle size distribution can provide significant operating benefits. However, in the case of using ...
Tor Nørretranders (1998). "Preface". The user illusion: Cutting consciousness down to size (Jonathan Sydenham translation of ... Some non-causal explanations involve invoking panpsychism, the theory that a quality of mind is associated with all particles, ... Furthermore, there are always external constraints on the range of options we can meaningfully try to undertake. As the ... such as probabilistic subatomic particle behavior - theory unknown to many of the early writers on free will. Incompatibilist ...
The removal efficiency is about 96%. Then, the ultra filter (UF) is introduced to remove particles whose minimum size ... For each range, analog to digital conversion is conducted separately, but the only range used is that with the highest ... July 2013), "Neutrino oscillations", Progress in Particle and Nuclear Physics, 71: 150-161, arXiv:1303.2272, Bibcode:2013PrPNP ... From the sharpness of the edge of the ring the type of particle can be inferred. The multiple scattering of electrons is large ...
... semolina particles are irregularly shaped and present in different sizes. Semolina particles become hydrated during ... Within this category various optional ingredients may also be used within specified ranges, including egg white, frozen egg ... The size and shape of the dies in the extruder through which the pasta is pushed determine the shape that results. The pasta is ... Fresh pastas do not expand in size after cooking; therefore, 1.5 pounds (0.68 kg) of pasta are needed to serve four people ...
Philosophical Transactions of the Royal Society
From 1896, they were encouraged to submit typed papers on foolscap-folio-sized paper to lighten the work of getting papers ... gives the first detailed description of protists and bacteria living in a range of environments, sent by the author in a Dutch ... introduced the idea of metal particles that were smaller than the wavelength of light - colloidal sols or what would now be ...
This function average, f3, clearly lies in the range [0,1]. Since the periodic variation A is the average of and therefore ... The phase moiré effect is the basis for a type of broadband interferometer in x-ray and particle wave applications. It also ... Strong moiré visible in this photo of a parrot's feathers (more pronounced in the full-size image) ...
Wide range, e.g., claytronics, synthetic biology Quantum dots Research, experiments, prototypes. LCD, LED Quantum dot laser ... Finally, spherical nanoparticles have three dimensions on the nanoscale, i.e., the particle is between 0.1 and 100 nm in each ... Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 and 1000 ... Wide range, e.g., self health monitoring, self healing material, morphing, ... Nanomaterials: carbon nanotubes Hypothetical, ...
MEMS magnetic field sensor
The range of magnetometers based on piezoelectric resonators is mV/T (millivolt/Tesla), so higher responsivity is generally ... Responsivity (which contributes to resolution) describes the size of the oscillation we can get from devices with same external ... The range of magnetometers based on piezoelectric resonator is a few nT (nanoTesla). ... Integration of MEMS sensor and microelectronics can further reduce the size of the entire magnetic field sensing system. ...
The other types of densification are larger in size compared to a pellet and are compatible with a broad range of input ... Boilers in the range of 500,000 lb/hr of steam, and larger, are in routine operation, using grate, spreader stoker, suspension ... Biomass is a wide-ranging term meaning any source of organic carbon that is renewed rapidly as part of the carbon cycle. ... This process includes grinding the raw biomass to an appropriate particulate size (known as hogfuel), which, depending on the ...
Accipitrid prey size ranges by body mass ranges from 237 g (8.4 oz) for a sparrowhawk to 3.13 kg (6.9 lb) in the imperial eagle ... air particles and pollution run-off water have caused huge concentrations in fish of many different areas, which continues to ... Breeding rangeEdit. This eagle breeds in northern Europe and northern Asia. Their range extends to as far west as southern ... Now the brood sizes have increased, at somewhat less than 1 brood size on average, but still somewhat less productivity than ...
කොලෙස්ටරෝල් - විකිපීඩියා, නිදහස් විශ්වකෝෂය
Since higher blood LDL, especially higher LDL particle concentrations and smaller LDL particle size, contribute to this process ... There is a large range of lipoproteins within blood, generally called, from larger to smaller size: chylomicrons, very low ... In contrast, however, if LDL particle number is low (mostly large particles) and a large percentage of the HDL particles are ... Most testing methods for LDL do not actually measure LDL in their blood, much less particle size. For cost reasons, LDL values ...
Specifically, the hydrodynamic size as related to molecular mass depends on a conversion factor, describing the shape of a ... This allows the apparent molecular mass to be described from a range of techniques sensitive to hydrodynamic effects, including ... of macromolecules depends on volumetric proportion of the dispersed particles in a particular solvent. ... The molecular mass of small to medium size molecules, measured by mass spectrometry, can be used to determine the composition ...
Combustibility and flammability
Combustible dust has been defined as: a solid material composed of distinct particles or pieces, regardless of size, shape, or ... which presents a fire or deflagration hazard when suspended in air or some other oxidizing medium over a range of ... While the particles in a combustible dusts may be of any size, normally they have a diameter of less than 420 μm.[note 1] ... When suspended in air (or any oxidizing environment), the fine particles of combustible dust present a potential for explosions ...
Under temperatures ranging from 700 - 1100 °C, a nickel-based catalyst enables the production of carbon monoxide and hydrogen:[ ... The hand-sized square piece of metal contains microscopic channels with catalytic sites, which continuously convert biodiesel, ... causing failure of the fuel pump due to ingestion of large particles. ... This study showed an advantage over traditional diesel within a certain operating range of the E.G.R. system. ...
The particles that make up matter have rest mass as well - not all particles have rest mass, such as the photon. Matter can be ... A phase is a set of states of a chemical system that have similar bulk structural properties, over a range of conditions, such ... The transfer of energy from one chemical substance to another depends on the size of energy quanta emitted from one substance. ... In chemistry, matter is defined as anything that has rest mass and volume (it takes up space) and is made up of particles. ...
List of atheists in science and technology
... known for his prediction of the existence of a new particle, the Higgs boson, nicknamed the "God particle". He won the ... "There are large numbers of my finest colleagues who are quite devout and believe in God, ranging from an abstract humanist God ... quantified the size of earthquakes. ... "Officially, the particle is called the Higgs boson, but its ... I don't organize my life around that." In Search of the God Particle, by Ana Elena Azpurua, Newsweek Web Exclusive, March 24, ...
پرتو کیهانی - ویکیپدیا، دانشنامهٔ آزاد
These fractions vary highly over the energy range of cosmic rays. A very small fraction are stable particles of antimatter, ... However, there are constraints in weight and size limiting the choices of detectors. ... high-energy particles originating outside the solar system, and solar energetic particles, high-energy particles (predominantly ... These particles as well as muons can be easily detected by many types of particle detectors, such as cloud chambers, bubble ...
Age of the universe
In general this must be done numerically, and the results for a range of cosmological parameter values are shown in the figure ... Assuming an extra background of relativistic particles, for example, can enlarge the error bars of the WMAP constraint by one ... size of the universe at the time of recombination). The light travel time to this surface (depending on the geometry used) ... His measured value for the Hubble constant came very close to the value range generally accepted today. ...
small size, imposed by error-prone replication;. *high guanine and cytosine content, which increases stability and replication ... In segmented RNA viruses, "mating" can occur when a host cell is infected by at least two virus particles. If these viruses ... Compared with other infectious plant pathogens, viroids are extremely small, ranging from 246 to 467 nucleobases. In comparison ... under a wide range of circumstances, the selected strategy would be for each protocell to be haploid, but to periodically fuse ...
19S regulatory particleEdit. The 19S particle in eukaryotes consists of 19 individual proteins and is divisible into two ... For example, studies in mice bearing human skin grafts found a reduction in the size of lesions from psoriasis after treatment ... though they can range from 4 to 25 residues, depending on the organism and substrate. The biochemical mechanism that determines ... Other regulatory particlesEdit. 20S proteasomes can also associate with a second type of regulatory particle, the 11S ...
NIOSHTIC-2 Publications Search - 00177061 - Size range of viable fungal particles from aflatoxin-contaminated corn aerosols.
Size range of viable fungi particles from aflatoxin (1402682) contaminated corn aerosols was studied in 12 samples of Georgia ... Size range of viable fungi particles from aflatoxin (1402682) contaminated corn aerosols was studied in 12 samples of Georgia ... and 94.2 percent of the viable particles were equal to or greater than 3.3microm. Particle size distribution of the major ... Few fungal particles were observed on plates from the fifth and sixth stages of the sampler (less than 2.1 micrometers (microm ...
An overview of micron-ranged particle sizing techniques | Environmental XPRT
Given the wide range of particle sizing technologies and instrumentation on the market, the choice of measurement technique can ... Article An overview of micron-ranged particle sizing techniques. ... An overview of micron-ranged particle sizing techniques. 0 ... This discussion addresses several particle size characterization techniques for micron-ranged particle size distributions. It ... No comments were found for An overview of micron-ranged particle sizing techniques. Be the first to comment! ...
Mercury Porosimetry is used to determine broad particle size distribution ranges
AutoPore IV 9500 Series from Particle and Surface Sciences, characterizes a materials porosity by applying various levels of ... Mercury Porosimetry is used to determine broad particle size distribution ranges. By Particle & Surface Sciences 08 July 2009 ... Home > Mercury Porosimetry is used to determine broad particle size distribution ranges * More About: ... The pressure required to intrude mercury into the samples pores is inversely proportional to the size of the pores. This is ...
Fast, automatic particle size measurement in a wide measuring range | Laboratory Talk
... the ANALYSETTE 22 NanoTec Laser Particle Sizer from Fritsch is suitable for wet and dry particle size... ... Fast, automatic particle size measurement in an extremely wide measuring range!. Reproducible size-reduction and homogenisation ... Fast, automatic particle size measurement in an extremely wide measuring range!. Reproducible size-reduction and homogenisation ... Fast, automatic particle size measurement in a wide measuring range. Jaw Crusher for powerful pre-crushing of hard and very ...
New sizing method for liquidborne particles with high dynamic range | (1998) | Czitrovszky | Publications | Spie
New sizing method for liquidborne particles with high dynamic range Author(s): Aladar Czitrovszky; Attila Nagy; Tamas Mosoni; ... benefit of the developed device is the high dynamic range of the size determination of the micron-size liquid-borne particles ... A new liquid-borne particle counters is described that utilizes an optimized optical set-up to determine the size distribution ... and calculating the testing volume and dependence of the parameters of detected signal on the particle size for pulse height ...
Mastersizer Range, Particle Size Analyser with 3000 & 3000E, Malvern Instruments - Aimil.com
If you are looking for Particle Size Analyser, See Specification. Malvern is best provider of Particle Size Analyzer ... Looking for New Mastersizer Range with 3000 and 3000E? ... Mastersizer Range. Particle Size Analyser. I Would like to ... Mastersizer Range. Particle Size Analyser The new Mastersizer Range with 3000 & 3000E puts Malverns experience and expertise ... Broad measurement range: from 10 nm to 3.5 mm with exceptional resolution in the sub-micron range.. Reproducible, accurate ...
Frontiers | Investigating Particle Size-Flux Relationships and the Biological Pump Across a Range of Plankton Ecosystem States...
Additionally, particle characteristics are transformed while sinking. We compare optically measured particle size spectra ... These measurements allow us to assess the efficacy of size-flux relationships for estimating fluxes from optical particle size ... Additionally, particle characteristics are transformed while sinking. We compare optically-measured particle size spectra ... estimating particle flux from particle size and abundance (measured directly by in situ cameras) is challenging. Sinking rates ...
OSA | Comparison of optically derived particle size distributions: scattering over the full angular range...
For particle sizes ranging from 1 to 100 μm, the concentration was shown to vary over 10 orders of magnitude, and excellent ... Comparison of optically derived particle size distributions: scattering over the full angular range versus diffraction at near ... The volume scattering function (VSF) of particles in water depends on the particles size distribution and composition as well ... "Comparison of optically derived particle size distributions: scattering over the full angular range versus diffraction at near ...
ETIS - The high charge fraction of flame-generated particles in the size range below 3 nm measured by enhanced particle...
The high charge fraction of flame-generated particles in the size range below 3 nm measured by enhanced particle detectors ... The high charge fraction of flame-generated particles in the size range below 3 nm measured by enhanced particle detectors. ... The high charge fraction of flame-generated particles in the size range below 3 nm measured by enhanced particle detectors. ... Flame synthesis; Charge fraction; Sub-3 nm particle; Titanium dioxide; Differential mobility analyzer; Mass spectrometry ...
US6809163B2 - Process for preparing bead polymers with an average particle size in the range from 1 to 40 μM, moulding...
... polymerizing to produce bead polymers having an average particle size of 1 to 40 μm. ... The present invention provides a process for preparing bead polymers having an average particle size of 1 to 40 μm, which ... Reducing the particle size to values in the range from 1 to 40 μm, together with a narrow bead distribution, enables a larger ... The bead polymers to be used for the purposes of the present invention have an average particle size in the range from 1 to 40 ...
Fast, Automatic Particle Size Measurement in an Extremely Wide Measuring Range - - Ideal for Particle Size Analysis in...
Efficient particle size analysis of solids and suspensions in production and quality control as well as in research and ... Particle size distribution? Keep it simple! Compact laser particle size analyzer with extra wide measuring range ... Particle size distribution? Keep it simple! Compact laser particle size analyzer with extra wide measuring range ... Fast, Automatic Particle Size Measurement in an Extremely Wide Measuring Range. Always the right dispersion module: The ...
AMT - Fast time response measurements of particle size distributions in the 3-60 nm size range with the nucleation mode aerosol...
Fast time response measurements of particle size distributions in the 3-60 nm size range with the nucleation mode aerosol size ... Fast time response measurements of particle size distributions in the 3-60 nm size range with the nucleation mode aerosol size ... Fast time response measurements of particle size distributions in the 3-60 nm size range with the nucleation mode aerosol size ... where N(Dp) is the particle size distribution function, and Ki(Dp) the response function of channel i to a particle of size Dp ...
Comparison of optically derived particle size distributions: scattering over the full angular range versus diffraction at near...
For particle sizes ranging from 1 to 100 μm, the concentration was shown to vary over 10 orders of magnitude, and excellent ... 50, 1240 (2011).] can characterize particles in terms of particle subpopulations, which are described by their unique size ... Based on published measurements of cell sizes and intracellular chlorophyll-a [Chl] concentrations over a wide range of ... We also obtained indirect validation of the results for submicrometer particles and for the composition of particles provided ...
Fast | automatic particle size measurement in an extremely wide measuring range! | LabWrench
... automatic particle size measurement in an extremely wide measuring range! - LabWrench ... universally applicable Laser Particle Sizer for efficient dry and wet measurement of particle size distributions down into the ... Due to the especially wide measuring range of 0.01 - 2100 μm, the ANALYSETTE 22 NanoTec is the ideal, ... Fast, automatic particle size measurement in an extremely wide measuring range!. By: FRITSCH Published: May 29 2018 ...
particle size range gold ore
... *. AMIRA P420 Project AMIRA Gold Technology Project P420. The AMIRA Gold Processing Technology ... Hammer Mills Size Reduction Equipment for Bulk Materials While hammer mills handle an exceptionally wide range of material ... grinder macerator hammer mill with output particle size of 1 2 or less ... fine particle milling Rainbow Public School,IDPL. Zirbeads™ Zirconium Oxide Dispersion and Milling Media. : English Ceramic ...
Particle Size Range Gold Ore
... particle size of copper concentrate. particle size range gold ore - Newest Crusher, Grinding Mill ... optimum particle size for copper ore processing particle sizing in sulfide ore flotation slurry. particle size range gold ore ... Particle Size Range Gold Ore. * diameter particle of gold cyanid gold recovery efficiency particle size Xinhai Mining. Jun 09, ... rock gold particle size Gold type Particle size Overall range. More Info Effect of Grind Size on Gold Recovery. Get Price gold ...
particle size range gold ore
... - acherishedbirth.com. Jul 18, 2018· particle size range gold ore ; particle size range gold ore. ... Particle Size Range Gold Ore - greenrevolution.org.in. particle size range gold ore. grades and particle sizes for gold ores - ... Ball Mill Grind Particle Size Analysis For Gold Ore. Particle Size Range Gold Ore. Particle Size In Grinding Mill. gold ore A ... particle size range gold ore. grades and particle sizes for gold ores Crusher Plant Machine A set of data on the particle size ...
narrow particle size range ball mill machine
particle size of clay using ball mill particle size of clay using ball mill. but the mill to the ball clay particle size range ... a new approach for particle size reduction particle size addition, particle size range will be reduced to a much narrower band ... discharge particle size of ball mill what particle size range does ball mill grinding ball mill grinding is one method of ... choose a lab grinding mill based on your sample type, sample capacity, and desired particle size. final particle size can range ...
How To Select A Particle Size Analyzer - HORIBA
... and particle size/composition analyzers using MIP/OES for a wide variety of applications. ... Particle size analyzers, using static and dynamic light scattering techniques, ... Numerous analytical techniques and approaches exist for particle size analysis. Particle size analyzers range from the ... For example, if particle size is large enough, then image analysis can be used to determine both particle size and particle ...
Perylene-3,4:9,10-tetracarboxydiimide - Registration Dossier - ECHA
Range:. >= 99 - <= 100 %. Particle size distribution and range. Particle size distribution and range. Shape category:. ... Range:. > 80 - <= 100 %. Particle size distribution and range. Particle size distribution and range. Shape category:. ... Range of aspect ratio (:1):. >= 1 - <= 3 Fraction of constituent particles in the size range 1-100 nm:. >= 95 - <= 100 %. ... Range of aspect ratio (:1):. >= 1 - <= 5 Fraction of constituent particles in the size range 1-100 nm:. > 80 - <= 100 %. ...
3,6-Bis-biphenyl-4-yl-2,5-dihydro-pyrrolo[3,4-c... - Registration Dossier - ECHA
Particle size distribution and range. Particle size distribution and range. Shape category:. spheroidal. Percentileopen all ... Range of aspect ratio (:1):. >= 1 - <= 6 Fraction of constituent particles in the size range 1-100 nm:. ca. 99 - ca. 100 %. ... Range of length:. ca. 26.9 - ca. 115.4 nm. Typical lateral dimension 1:. ca. 42.3 nm. Range of lateral dimension 1:. ca. 19.2 ... Range of specific surface area:. ca. 80 - ca. 96 m²/g. Typical volume specific surface area:. ca. 117.6 m²/cm³. Range of volume ...
Benzoic acid, 2,3,4,5-tetrachloro-6-cyano-,... - Registration Dossier - ECHA
Particle size distribution and range. Particle size distribution and range. Shape category:. spheroidal. Percentileopen all ... Range of aspect ratio (:1):. >= 1 - <= 8 Fraction of constituent particles in the size range 1-100 nm:. ca. 90 - ca. 95 %. ... Range of length:. ca. 38 - ca. 585 nm. Typical lateral dimension 1:. ca. 54 nm. Range of lateral dimension 1:. ca. 15 - ca. 155 ... Range of specific surface area:. ca. 40 - ca. 50 m²/g. Typical volume specific surface area:. ca. 83 m²/cm³. Range of volume ...
AMT - Performance of diethylene glycol-based particle counters in the sub-3 nm size range
Performance of diethylene glycol-based particle counters in the sub-3 nm size range D. Wimmer1,*, K. Lehtipalo. 2,3, A. ... capable of measuring concentrations of aerosol particles at sizes close to or even at the critical cluster size (1-2 nm). ... Furthermore, two mixing-type particle size magnifiers (PSM) A09 from Airmodus were characterized in parallel. One PSM was ... small shifts in the cut-off size can translate into larger relative errors when measuring particles close to the cut-off size. ...
On-line determination of particle size and density in the nanometer size range<...
Hering, S. V., & Stolzenburg, M. R. (1995). On-line determination of particle size and density in the nanometer size range. ... On-line determination of particle size and density in the nanometer size range. Aerosol Science and Technology. 1995 Jan 1;23(2 ... Hering, Susanne V. ; Stolzenburg, Mark R. / On-line determination of particle size and density in the nanometer size range. In ... Hering, SV & Stolzenburg, MR 1995, On-line determination of particle size and density in the nanometer size range, Aerosol ...
Particle Size Analyzers
500 measures nanoparticle and microparticle size, zeta potential, molecular mass and transmittance in dispersions and solutions ... Particle size analysis over an extensive range. The Litesizer and PSA series together cover the measurement of particle sizes ... Particle Size Analyzers. Particle analysis at the touch of a button. Particle systems can be complex, but measuring them ... LD and the PSA instruments are used for analyzing particles ranging up to the millimeter sizes in liquid or dry dispersions. ...
AnalyzerCharacterizationSingle particleCondensation particle countersMalvern PanalyticalSuspensionsCompositionShearDispersionZeta potentialAnalyzersDensityMicroscopic particlesSmoothed Particle HydrPowdersAbstractSingly-charged particlesCountersReproducible particleCharacterisationFine particlesSoilPolymerConcentrationsSmaller particlesMastersizer RangeBiologicalDispersionsColloidal particlesSieveAgglomerationSlurryOrganicParticulateNanometersAnalysisEfficiency1000Oceanic particlesNano rangeMeasurement of particlePrecursorGranularWideOpticalNanoparticles
- 28 Dynamic range of the HORIBA particle characterization systems 29 Selecting a particle size analyzer When to choose laser diffraction When to choose dynamic light scattering When to choose image analysis 31 References. (sos900.be)
- The choice of particle size analyzer often depends on previous experience. (horiba.com)
- For example, a manufacturing plant may already have a size analyzer and they are looking for an improvement. (horiba.com)
- This may suggest that the analyzer with the higher upper size limit is a better choice than an analyzer with a smaller lower size limit. (horiba.com)
- The stated size range for an analyzer does not apply for all samples and all cases. (horiba.com)
- Choosing an analyzer such that the particle size of the sample is in the middle of the instrument size range is almost always wise. (horiba.com)
- The double size spectrometer uses a differential mobility analyzer and hypersonic impactor in series. (umn.edu)
- The mobility analyzer outputs singly-charged particles of a uniform diameter that are resized by the impactor. (umn.edu)
- The world's first laser diffraction particle size analyzer - the first-ever PSA - was invented in 1967. (anton-paar.com)
- Thus, accuracy, reproducibility, and stability are guaranteed for the entire life of the particle size analyzer. (anton-paar.com)
- The LS 13 320 Series is the most versatile and sophisticated laser diffraction particle sizing analyzer available today. (beckman.com)
- This paper presents an experimental study to evaluate, using a laser particle size analyzer under varying flow conditions, the intrinsic PSD of two expansive clays, a Ca- and a Na-montmorillonite and the influence of biological, chemical, and hydrodynamic factors on their flocculation and PSD. (springer.com)
- The SALD ® 201V Particle Size Analyzer is a compact, economically priced instrument that offers high performance and reliability features for a wide range of food, liquid, cosmetic, and pharmaceutical applications. (news-medical.net)
- This discussion addresses several particle size characterization techniques for micron-ranged particle size distributions. (environmental-expert.com)
- However, this improved instrumentation requires a careful characterization of their cut-off size and the shape of the detection efficiency curve because relatively small shifts in the cut-off size can translate into larger relative errors when measuring particles close to the cut-off size. (copernicus.org)
- Side by side they open up a wide range of possibilities for comprehensive particle characterization. (anton-paar.com)
- The second measure depends on single particle density. (umn.edu)
- The shear forces created by the air flow separate agglomerated particles, and in this way the size of each single particle can be detected. (anton-paar.com)
- Using this technique large, two-dimensional patterns can be created, where the pattern can be manipulated on a single particle level. (cambridge.org)
Condensation particle counters3
- We describe the modifications, operating principles, extensive calibrations, and laboratory and in-flight performance of two NMASS instruments operated in parallel as a 10-channel battery of condensation particle counters (CPCs) in the NASA Atmospheric Tomography Mission (ATom) to investigate NPF and growth to cloud-active sizes in the remote free troposphere. (atmos-meas-tech.net)
- When studying new particle formation, the uncertainty in determining the "true" nucleation rate is considerably reduced when using condensation particle counters (CPCs) capable of measuring concentrations of aerosol particles at sizes close to or even at the critical cluster size (1-2 nm). (copernicus.org)
- The concentration of nanometre-sized particles is frequently measured in terms of particle number concentration using well-established measuring instruments, e.g. condensation particle counters. (vtt.fi)
- With a measuring range of 0.01 - 2100 μm, the ANALYSETTE 22 NanoTec Laser Particle Sizer from Fritsch is suitable for wet and dry particle size analysis of powdery samples, of solids in suspensions and of emulsions. (laboratorytalk.com)
- The ANALYSETTE 22 NanoTec is ideally suited for particle size analysis of powdery samples, of solids in suspensions and of emulsions. (analytica-world.com)
- The LB-550, using a dynamic light scattering technique, is able to measure very concentrated suspensions, up to 40% solids in many cases, over a size range of 1nm-6µm. (horiba.com)
- The volume scattering function (VSF) of particles in water depends on the particles' size distribution and composition as well as their shape and internal structure. (osapublishing.org)
- Extensive laboratory calibrations with a range of particle sizes and compositions show repeatability of the response function of the instrument to within 5-8 % and no sensitivity in sizing performance to particle composition. (atmos-meas-tech.net)
- Retrieving composition and sizes of oceanic particle subpopulations from the volume scattering function. (semanticscholar.org)
- An analysis of dust emissions was undertaken to determine their component composition, PM10 and PM2.5 fine particles proportion and morphological characteristics. (witpress.com)
- 4. The ink composition of claim 2, wherein the pigment comprises particles having a median particle size of approximately 0.01 to 0.4 micron. (google.ca)
- The effect of aluminum doping ratio in AZO nanoparticles (based on Al-nitrate precursor) on structure, phase composition, and particle size has been investigated. (hindawi.com)
- the narrow particle size spectrum is achieved by means of a continuous compressive shear action between two corrugated rollers with a defined roller gap. (watewyloop.be)
- 15. The method of claim 11 , wherein said combining comprises first mixing the metal oxide nanoparticles and polymeric binder particles using rapid shear mixing, followed by addition of activated carbon particles and additional mixing. (google.es)
- The type of rheometer required for measuring these properties is often dependent on the relevant shear rates and timescales as well as sample size and viscosity. (malvern.com)
- State-of-the art dry powder dispersion: the completely new Aero S dry powder dispersion accessory reliably disperses a wide range of dry materials, fragile powders to robust materials. (aimil.com)
- Highest performance wet dispersion: the all new Hydro range of wet dispersion accessories have been designed to provide powerful and rapid dispersion for a wide range of sample types. (aimil.com)
- Each particle size analysis is only as good as its dispersion. (analytica-world.com)
- PSA instruments are the only particle size analyzers that can be configured with fully integrated liquid and dry dispersion modes in one instrument. (anton-paar.com)
- Dry Jet Dispersion (DJD) technology is Anton Paar's patented technique (FR2933314) for efficiently dispersing and precisely analyzing powder particles. (anton-paar.com)
- Particle analyzers are used to determine the physical makeup of individual particulates in aerosols, dispersion, emulsions, powders, and other samples. (globalspec.com)
- The Litesizer series employs light-scattering technology to determine not only particle size, but also zeta potential, transmittance, molecular mass, and the refractive index of nano- and microparticles in liquid dispersions. (anton-paar.com)
- Besides the determination of particle size, the Litesizer™ particle analyzers also offer other analysis options such as the determination of zeta potential, molecular mass, transmittance, and refractive index. (anton-paar.com)
- There are a number of different cuvettes available for the Litesizer™ to measure e.g. particle size and zeta potential of particles in organic as well as in aqueous solvents and also very low volumes of down to 12 µL. (anton-paar.com)
- Particle Size and Shape Analysis, Zeta Potential and NIR-Chemical Imaging. (pharmaceutical-business-review.com)
- Our technologies enable the measurement of parameters such as particle size, shape and zeta potential, biomolecular interactions and stability, rheological properties, elemental concentrations and crystallographic structure. (pharmaceutical-business-review.com)
- Measure the particle size and zeta potential (i.e. the effective surface potential) of particles in dispersions. (ntnu.no)
- Particle size analyzers range from the historical sieve to modern automated light scattering instruments. (horiba.com)
- Different particle size analyzers present different information about the particle sample. (horiba.com)
- Anton Paar's particle size analyzers are fully ISO 13320 compliant to meet your requirements for traceable, accurate, and repeatable results. (anton-paar.com)
- Sinking rates are dependent on several factors, including particle excess density and porosity, which vary based on particle origin and type. (frontiersin.org)
- the af air classifier is primary applied to centrifugal classification of superfine material by size, shape and density of the particle via dry air. (watewyloop.be)
- An on-line, semicontinuous method for the determination of size and effective density (g/cm 3 ) of particles in the 3-50 nm size range was evaluated using laboratory test aerosols. (umn.edu)
- Hering, SV & Stolzenburg, MR 1995, ' On-line determination of particle size and density in the nanometer size range ', Aerosol Science and Technology , vol. 23, no. 2, pp. 155-173. (umn.edu)
- The study demonstrated that by combining realistic target geometry and spectral measurements of pure quartz and magnetite, effects of soil particle size and density could be modeled without functional data fitting or rigorous analysis of material dynamics. (spiedigitallibrary.org)
- ρp: Actual particle density (g/cm3) ρg: Gas or sample matrix density (g/cm3) r2: Least-squares coefficient of determination. (wikipedia.org)
- Colour density, opacity and viscosity depend directly upon the particle size. (ferret.com.au)
- Marine microscopic particles profoundly impact global biogeochemical cycles, but our understanding of their dynamics is hindered by lack of observations. (nature.com)
- A system for identifying microorganisms and other microscopic particles in a fluid, includes a laser that directs a laser beam (14) through a detect zone (20) and a plurality of photodetectors (30) that detect light scattered in different directions from a particle at the detect zone. (google.com)
- In recent years, this air cleaning function has become more important to homeowners, and manufacturers have designed filters that use your heating and air system to remove microscopic particles like dust, pollen, pet dander, bacteria, plant and mold spores, and even smoke from the air in your home. (howstuffworks.com)
Smoothed Particle Hydr1
- The three models PSA 990, PSA 1090, and PSA 1190 are designed to measure a wide range of particle sizes in liquid dispersions or dry powders. (anton-paar.com)
- This paper will cover the importance of particle size measurements in various processes, different types of measurement methods, and the application of light scattering technology to size determinations in wet slurries and dry powders. (spiedigitallibrary.org)
- A sieve analysis can be performed on any type of non-organic or organic granular materials including sands, crushed rock, clays, granite, feldspars, coal, soil, a wide range of manufactured powders, grain and seeds, down to a minimum size depending on the exact method. (wikipedia.org)
- The proposed measurement method was incorporated in a PC- controlled LQB-1-200-L-T liquid-borne laser particle counter developed on the basis of previous APC-03-2 and APC-03-2A air-borne particle counters and a LQB-1-200 liquid-borne particle counter. (spie.org)
- The MET ONE R4800 and R4900 series remote air particle counters are affordable, reliable and provide accurate data in particle monitoring systems. (beckman.com)
- With state of the art capability and multidisciplinary expertise, we tailor the analysis of particles to the needs of our clients and provide consultancy on product development and characterisation. (npl.co.uk)
- We support manufacturers and companies developing novel particles and nanoparticle-based products, enabling advanced characterisation and quality assurance. (npl.co.uk)
- Epidemiological studies have firmly established that fine particles (F) can adversely affect the health of exposed individuals even at exposure levels at or below the current ambient air standard. (epa.gov)
- Fabric filters are one of the most efficient and cost effective types of dust collectors available and can achieve a collection efficiency of more than 99% for very fine particles. (wikipedia.org)
- They can be very efficient at the collection of very fine particles. (wikipedia.org)
- In contrast to the large numerical values noted for flow Reynolds number, particle Reynolds number for fine particles in gaseous mediums is typically less than 0.1. (wikipedia.org)
- A leading supplier of performance polymers with products used in a wide range of applications, including adhesives, coatings, sealants, lubricants, etc. was increasing the production capabilities of one of its four polymer process lines.Ã‚- The increase in production capabilities would come from the upgrade of several process heating sources such as heat exchangers and dryers as well as. (thomasnet.com)
- The particles may also include a core having a hydrogel formed from an acrylic-based polymer. (google.ca)
- the methods may further comprise reacting the (co)telomer particle or agglomerate with one or more polyether polyol, alkyl polyether polyol, polyether amine or alkyl polyether amine, with heating, to form a comb polymer useful, e.g. as a superplasticizer or dispersant. (freepatentsonline.com)
- Further, cellulose is the most abundant natural polymer and has been used for a wide range of applications, such as filtration, food, medicine and healthcare due to its low-toxicity, hydrophilicity, biocompatibility and flexibility. (rsc.org)
- All three biopolymers, xanthan gum, guar gum, and chitosan, can facilitate flocculation through long-range polymer bridging and short-range ion-dipole interaction, hydrogen bonding, and Coulomb force. (springer.com)
- Concentrations measured by the two NMASS instruments flying in parallel are self-consistent and also consistent with measurements made with an optical particle counter. (atmos-meas-tech.net)
- Since doublet formation is a second order rate process, the units of this coefficients are m3s−1 since particle concentrations are expressed as particle number per unit volume (m−3). (wikipedia.org)
- MERVs range from 1 to 16, with a higher number indicating a higher cleaning efficiency because it can filter smaller particles out of the air. (howstuffworks.com)
- i ) distinct large, ribosome- and endoplasmic reticulum-containing granules preferentially found in the membrane pellets during differential centrifugation and ( ii ) smaller particles in the S100 from rat brain homogenates. (pnas.org)
- Microscopic organic particles in the open ocean support a suite of processes, known as the biological carbon pump, which is ultimately responsible for transferring atmospheric CO 2 from the sunlit surface to the abyss. (nature.com)
- Micro-sized particles do not have this biological mobilty. (treehugger.com)
- Colloidal particles may also remain dispersed in liquids for long periods of time (days to years). (wikipedia.org)
- Often, colloidal particles are suspended in water. (wikipedia.org)
- We describe a method for patterning substrates with colloidal particles in any designed two-dimensional structure. (cambridge.org)
- The method is generally applicable and has been demonstrated for a variety of (core-shell) colloidal particles including particles that are interesting for photonic applications like high-refractive index (ZnS)-core - silica shell particles, metallodielectric (gold)-core - silica-shell particles, fluorescently labeled particles and small (several nanometers large) gold particles. (cambridge.org)
- fm 306: size reduction and sieving engineering, iit to grind the given limestone material to a smaller size using a ball mill and to the most common method of particle sized analysis used is sieve analysis. (watewyloop.be)
- Settling chambers will normally only collect very large particles, those that can be separated using sieve trays. (wikipedia.org)
- The most easily understood method of determination is sieve analysis, where powder is separated on sieves of different sizes. (wikipedia.org)
- However, the idea of the notional "sieve", that "retains" particles above a certain size, and "passes" particles below that size, is universally used in presenting PSD data of all kinds. (wikipedia.org)
- It may also be presented in "cumulative" form, in which the total of all sizes "retained" or "passed" by a single notional "sieve" is given for a range of sizes. (wikipedia.org)
- See the separate Mesh (scale) page for details of sieve sizing. (wikipedia.org)
- The complete procedure for this test is outlined in the American Society for Testing and Materials (ASTM) C 136 and the American Association and State Highway and Transportation Officials (AASHTO) T 27 A suitable sieve size for the aggregate underneath the nest of sieves to collect the aggregate that passes through the smallest. (wikipedia.org)
- The results are presented in a graph of percent passing versus the sieve size. (wikipedia.org)
- On the graph the sieve size scale is logarithmic. (wikipedia.org)
- The values are then plotted on a graph with cumulative percent passing on the y axis and logarithmic sieve size on the x axis. (wikipedia.org)
- Particle size analysis, slurry settling rate tests and agitation efficiency analysis were used in identifying causative factors of siltation whiles deflocculation test and grind analysis were conducted to ascertain mitigation measures. (sos900.be)
- particle sizing in sulfide ore flotation slurry. (sos900.be)
- This particle size range was chosen from a materials handling perspective, focussing on material that can be transported by pumping an ore slurry. (zonelektra.nl)
- Get Price ore classifier for slurry particle size classifiion. (zonelektra.nl)
- Sinking particles transport organic carbon produced in the surface ocean to the ocean interior, leading to net storage of atmospheric CO 2 in the deep ocean. (frontiersin.org)
- The majority of organic wastes comprise dyes and used in textile, leather, plastic, and cosmetic industries to impart colour to a wide range of products. (rsc.org)
- I would love to use this health conscientious company like Organic Makeup and have my family switch over to non-micronized mineral makeup, but they do not have a wide range of colors. (treehugger.com)
- 1 Particle size influences many properties of particulate materials and is a valuable indicator of quality and performance. (sos900.be)
- Hence, it is currently assumed by many that particulate forward- and backscattering coefficients detect different oceanic particles. (nature.com)
- The first area concerns itself with particulate contamination of the air and consists of particles of airborne lint, fly ash, dust, pollen, fungus spores, bacteria, and minute liquid aerosols. (google.com)
- While PSA 1090 has been designed with two lasers to resolve particles as small as 40 nanometers, PSA 1190 contains an additional third laser to cover the full measurement range of up to 2.5 millimeters. (anton-paar.com)
- Particle sizes used range from a few nanometers to several micrometers. (cambridge.org)
- Particle size analysis is an important tool in characterizing a wide range of final-product performance factors. (horiba.com)
- Numerous analytical techniques and approaches exist for particle size analysis. (horiba.com)
- The most appropriate selection for a particular application depends on a number of factors including the size range of interest, nature of the sample, the information required from the analysis, the analytical method, and sample throughput. (horiba.com)
- This page reviews key considerations in choosing a particle analysis technique. (horiba.com)
- For example, knowing the sample size range requires some sort of size analysis, even if it is simply looking at a few particles under a microscope or rubbing them between your fingers to feel them. (horiba.com)
- Fast and accurate at-line elemental analysis Built on the experience and success of the proven Epsilon 3 range of XRF spectrometers, the Epsilon 4 is a multi-functional instrument for any industry segment needing elemental analysis from fluorine (F) to americium (Am) in areas from R&D through to process control. (pharmaceutical-business-review.com)
- Its state-of-the-art, laser-based technology permits analysis of particles without the risk of missing either the largest or the smallest particles in a sample. (beckman.com)
- The PSD may be expressed as a "range" analysis, in which the amount in each size range is listed in order. (wikipedia.org)
- Range analysis is suitable when a particular ideal mid-range particle size is being sought, while cumulative analysis is used where the amount of "under-size" or "over-size" must be controlled. (wikipedia.org)
- In practice, particles are irregular - often extremely so, for example in the case of fibrous materials - and the way in which such particles are characterized during analysis is very dependent on the method of measurement used. (wikipedia.org)
- A measuring range of 0.25 to 350µm accomodates most routine analysis requirements. (news-medical.net)
- gold recovery efficiency particle size Xinhai Mining. (sos900.be)
- Higher efficiency models can collect particles down to 10 μm. (wikipedia.org)
- Simple filtration will remove many airborne particulates but their efficiency and the minimum size particle removed have been limited. (google.com)
- The particle-removing efficiency of the filter is inversely related to the energy efficiency of your heating and air system. (howstuffworks.com)
Measurement of particle1
- The micrometre-sized precursor particles with hollow and porous structures obtained by spray pyrolysis turned to nano-sized MgO particles after post-treatment. (elsevier.com)
- b) an amount of a gas effective to produce a suspension of microbubbles when the microbubble precursor particles are dispersed in water. (google.es)
- 17. Solid microbubble precursor particles of claim 16, wherein the microparticles have a particle size less than about 10 μm. (google.es)
- 18. Solid microbubble precursor particles of claim 16, wherein the surfactant is a (C 8 -C 20 )-fatty acid. (google.es)
- Magnetic drum separators are of self-cleaning type and provide continuous removal of ferrous contamination from a wide range of free-flowing bulk and granular materials in high-volume applications.Drums can be ordered with or without housing.Magnetic drum separator system is a complete machine with stainless steel 304 316 housing drive. (ccebamberg.de)
- Sand is a naturally occurring granular material composed of finely divided rock and mineral particles. (wikibooks.org)
- Given the wide range of particle sizing technologies and instrumentation on the market, the choice of measurement technique can be daunting, especially if one is unfamiliar with the options available. (environmental-expert.com)
- A new optical core concentrates the best ever Mastersizer performance into minimum bench space and brings precise resolution across a very wide size range, for wet and dry samples. (aimil.com)
- Magnetic separators iron magnetic separators.A wide range of magnetic iron separator equipment are manufactured by star trace which meet all your iron separation requirements.Magnetic roll iron separator star trace magnetic roll iron separator is a roll type dry magnetic separator with fixed magnet having high field intense and gradient. (ccebamberg.de)
- Dry high intensity magnetic separators dhims.Handles wide range of particle sizes.Effectively attracts paramagnetic and very fine minus 325 mesh ferromagnetic materials.Other components of the rare earth roll separator include a vibratory feeder with a mounted hopper, stainless steel product discharges, tefc gearmotor and. (ccebamberg.de)
- In our extensive product range, we are involved in providing a wide range of magnetic roll separator.Specially design to recover ferromagnetic materials, the offered roll separator is designed and manufactured by our professionals as per the set market norms by utilizing best quality raw material and latest technology. (ccebamberg.de)
- The single-laser PSA 990 covers a wide measuring range of 0.2 μm to 500 μm. (anton-paar.com)
- specifying that particle images appear one unit high and one unit wide in the scene's world coordinate space. (apple.com)
- 1) the ability to separate both soluble and colloidal components over a wide size range, and (2) that in AF4 there is little or no specific interaction that can affect the elution of the samples (as no column material is used). (wur.nl)
- The way in which "size" is expressed is open to a wide range of interpretations. (wikipedia.org)
- Over the past two decades the Commission has proposed wide ranging legislation aimed at directly or indirectly reducing the release of these compounds into the environment, with the objective of reducing human exposure and protecting human health and the environment. (europa.eu)
- Zinc oxide ZnO is a wide band gap (3.4 eV) semiconductor which has broad range of potential uses in optical and electrical applications such as in solar energy conversion, thin film transistors, photocatalysis, nonlinear optics, gas sensors, pigments, cosmetic, LED, anti-UV and low-emission coatings, and photoluminescent and sensor materials [ 1 - 8 ]. (hindawi.com)
- After appropriate screening of active materials (supports, catalyst, membranes, ionomers) and non-active stack hardware (bipolar plates, coatings) in single cell and short stack, these components will be validated in a PEM electrolyser prototype operating at high pressure in a wide temperature range. (europa.eu)
- It occurs in a wide range of minerals including arsenopyrite, pyrite and magnetite. (wikibooks.org)
- These measurements allow us to assess the efficacy of size-flux relationships for estimating fluxes from optical particle size measurements. (frontiersin.org)
- Fog droplet sizes were measured by an optical and an electron microscope and compared to results from the acoustical particle counter. (springer.com)
- Optical scattering is quantified by the volume scattering function (VSF) that measures the fraction of incident light deflected by particles in a given direction per unit distance 10 . (nature.com)
- Chemical and optical properties of pure quartz and magnetite were assigned to particles in the scene based on particle size. (spiedigitallibrary.org)
- By using optical tweezers particles are brought from a reservoir to a surface that carries a surface charge opposite to that of the particles. (cambridge.org)
- i used two different zetasizer instruments to determine nanoparticles' size and i got 2 different z averages, z average (d.nm) and z average (r.nm). (watewyloop.be)
- a polymeric binder matrix present in sufficient amount to adhere the activated carbon particles to each other in the form of a porous water filter block, and wherein the metal oxide nanoparticles are dispersed and encapsulated within the polymeric binder matrix. (google.es)
- 2. The filtration media of claim 1 , wherein the nanoparticles are present in an amount ranging from about 0.1 wt % to about 10 wt %, based upon the total weight of the filtration media. (google.es)
- 9. The filtration media of claim 1 , wherein the weight ratio of nanoparticles to polymeric binder ranges between about 30:1 and about 5:1. (google.es)