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.
A generic grouping for dihydric alcohols with the hydroxy groups (-OH) located on different carbon atoms. They are viscous liquids with high boiling points for their molecular weights.
An ethylene compound with two hydroxy groups (-OH) located on adjacent carbons. They are viscous and colorless liquids. Some are used as anesthetics or hypnotics. However, the class is best known for their use as a coolant or antifreeze.
A clear, colorless, viscous organic solvent and diluent used in pharmaceutical preparations.
Derivatives of propylene glycol (1,2-propanediol). They are used as humectants and solvents in pharmaceutical preparations.
Water swollen, rigid, 3-dimensional network of cross-linked, hydrophilic macromolecules, 20-95% water. They are used in paints, printing inks, foodstuffs, pharmaceuticals, and cosmetics. (Grant & Hackh's Chemical Dictionary, 5th ed)
4-carbon straight chain aliphatic hydrocarbons substituted with two hydroxyl groups. The hydroxyl groups cannot be on the same carbon atom.
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.
Substances that provide protection against the harmful effects of freezing temperatures.
Agents that are used to stimulate evacuation of the bowels.
Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS).
Derivatives of ACETIC ACID which contain an hydroxy group attached to the methyl carbon.
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)
Relating to the size of solids.
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.
Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.
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.
A network of cross-linked hydrophilic macromolecules used in biomedical applications.
Characteristics or attributes of the outer boundaries of objects, including molecules.
(T-4)-Osmium oxide (OsO4). A highly toxic and volatile oxide of osmium used in industry as an oxidizing agent. It is also used as a histological fixative and stain and as a synovectomy agent in arthritic joints. Its vapor can cause eye, skin, and lung damage.
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)
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)
The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
A carrier or inert medium used as a solvent (or diluent) in which the medicinally active agent is formulated and or administered. (Dictionary of Pharmacy, 1986)
An enzyme which catalyzes an endonucleolytic cleavage near PYRIMIDINE DIMERS to produce a 5'-phosphate product. The enzyme acts on the damaged DNA strand, from the 5' side of the damaged site.
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.
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.
Chemistry dealing with the composition and preparation of agents having PHARMACOLOGIC ACTIONS or diagnostic use.
Preservation of cells, tissues, organs, or embryos by freezing. In histological preparations, cryopreservation or cryofixation is used to maintain the existing form, structure, and chemical composition of all the constituent elements of the specimens.
Acrylic acids or acrylates which are substituted in the C-2 position with a methyl group.
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.
The formation of a solid in a solution as a result of a chemical reaction or the aggregation of soluble substances into complexes large enough to fall out of solution.
A condition or physical state produced by the ingestion, injection, inhalation of or exposure to a deleterious agent.
The chemical and physical integrity of a pharmaceutical product.
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.
A diphenylmethane stimulant laxative used for the treatment of CONSTIPATION and for bowel evacuation. (From Martindale, The Extra Pharmacopoeia, 30th ed, p871)
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.
The rate dynamics in chemical or physical systems.
Uptake of substances through the SKIN.
A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during CRYOPRESERVATION. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.
A polyester used for absorbable sutures & surgical mesh, especially in ophthalmic surgery. 2-Hydroxy-propanoic acid polymer with polymerized hydroxyacetic acid, which forms 3,6-dimethyl-1,4-dioxane-dione polymer with 1,4-dioxane-2,5-dione copolymer of molecular weight about 80,000 daltons.
Agents counteracting or neutralizing the action of POISONS.
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)
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).
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)
A trihydroxy sugar alcohol that is an intermediate in carbohydrate and lipid metabolism. It is used as a solvent, emollient, pharmaceutical agent, and sweetening agent.
The sum of the weight of all the atoms in a molecule.
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.
Derivatives of phosphatidic acids in which the phosphoric acid is bound in ester linkage to an ethanolamine moiety. Complete hydrolysis yields 1 mole of glycerol, phosphoric acid and ethanolamine and 2 moles of fatty acids.
The preparation, mixing, and assembling of a drug. (From Remington, The Science and Practice of Pharmacy, 19th ed, p1814)
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.
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.
A group of glucose polymers made by certain bacteria. Dextrans are used therapeutically as plasma volume expanders and anticoagulants. They are also commonly used in biological experimentation and in industry for a wide variety of purposes.
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.
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.
Tree-like, highly branched, polymeric compounds. They grow three-dimensionally by the addition of shells of branched molecules to a central core. The overall globular shape and presence of cavities gives potential as drug carriers and CONTRAST AGENTS.
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.
Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and a stationary phase held in a column. Two types are gas-solid chromatography, where the fixed phase is a solid, and gas-liquid, in which the stationary phase is a nonvolatile liquid supported on an inert solid matrix.
The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds.
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).
Biocompatible materials usually used in dental and bone implants that enhance biologic fixation, thereby increasing the bond strength between the coated material and bone, and minimize possible biological effects that may result from the implant itself.
A biocompatible polymer used as a surgical suture material.
An agent that causes the production of physical defects in the developing embryo.
The complex formed by the binding of antigen and antibody molecules. The deposition of large antigen-antibody complexes leading to tissue damage causes IMMUNE COMPLEX DISEASES.
A subclass of IMIDES with the general structure of pyrrolidinedione. They are prepared by the distillation of ammonium succinate. They are sweet-tasting compounds that are used as chemical intermediates and plant growth stimulants.
Serum albumin from cows, commonly used in in vitro biological studies. (From Stedman, 25th ed)
Organic chemistry methodology that mimics the modular nature of various biosynthetic processes. It uses highly reliable and selective reactions designed to "click" i.e., rapidly join small modular units together in high yield, without offensive byproducts. In combination with COMBINATORIAL CHEMISTRY TECHNIQUES, it is used for the synthesis of new compounds and combinatorial libraries.
Complex compounds in which a dumbbell shaped molecule is encircled by a macrocycle. They are named after rota (wheel) and axis (axle). Notation with a prefix is used to indicate the number of interlocked components. They have potential use in NANOTECHNOLOGY. Rotaxanes have been made with CYCLODEXTRINS and CYCLIC ETHERS.
Chemical reaction in which monomeric components are combined to form POLYMERS (e.g., POLYMETHYLMETHACRYLATE).
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.
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.
A strong dicarboxylic acid occurring in many plants and vegetables. It is produced in the body by metabolism of glyoxylic acid or ascorbic acid. It is not metabolized but excreted in the urine. It is used as an analytical reagent and general reducing agent.
Derivatives of OXALIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that are derived from the ethanedioic acid structure.
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.
A colorless and flammable gas at room temperature and pressure. Ethylene oxide is a bactericidal, fungicidal, and sporicidal disinfectant. It is effective against most micro-organisms, including viruses. It is used as a fumigant for foodstuffs and textiles and as an agent for the gaseous sterilization of heat-labile pharmaceutical and surgical materials. (From Reynolds, Martindale The Extra Pharmacopoeia, 30th ed, p794)
The homogeneous mixtures formed by the mixing of a solid, liquid, or gaseous substance (solute) with a liquid (the solvent), from which the dissolved substances can be recovered by physical processes. (From Grant & Hackh's Chemical Dictionary, 5th ed)
Tendency of fluids (e.g., water) to move from the less concentrated to the more concentrated side of a semipermeable membrane.
Dosage forms of a drug that act over a period of time by controlled-release processes or technology.
The development and use of techniques to study physical phenomena and construct structures in the nanoscale size range or smaller.
The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability.
Alkyl compounds containing a hydroxyl group. They are classified according to relation of the carbon atom: primary alcohols, R-CH2OH; secondary alcohols, R2-CHOH; tertiary alcohols, R3-COH. (From Grant & Hackh's Chemical Dictionary, 5th ed)
A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine).
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.
Deacetylated CHITIN, a linear polysaccharide of deacetylated beta-1,4-D-glucosamine. It is used in HYDROGEL and to treat WOUNDS.
A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.
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.
Materials fabricated by BIOMIMETICS techniques, i.e., based on natural processes found in biological systems.
The presence of free HEMOGLOBIN in the URINE, indicating hemolysis of ERYTHROCYTES within the vascular system. After saturating the hemoglobin-binding proteins (HAPTOGLOBINS), free hemoglobin begins to appear in the urine.
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.
Reagents with two reactive groups, usually at opposite ends of the molecule, that are capable of reacting with and thereby forming bridges between side chains of amino acids in proteins; the locations of naturally reactive areas within proteins can thereby be identified; may also be used for other macromolecules, like glycoproteins, nucleic acids, or other.
Small uniformly-sized spherical particles, of micrometer dimensions, frequently labeled with radioisotopes or various reagents acting as tags or markers.
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.
Derivatives and polymers of styrene. They are used in the manufacturing of synthetic rubber, plastics, and resins. Some of the polymers form the skeletal structures for ion exchange resin beads.
Infrequent or difficult evacuation of FECES. These symptoms are associated with a variety of causes, including low DIETARY FIBER intake, emotional or nervous disturbances, systemic and structural disorders, drug-induced aggravation, and infections.
The properties and processes of materials that affect their behavior under force.
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)
Liquids transforming into solids by the removal of heat.
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).
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.
Elements of limited time intervals, contributing to particular results or situations.
A peptide which is a homopolymer of lysine.
Generating tissue in vitro for clinical applications, such as replacing wounded tissues or impaired organs. The use of TISSUE SCAFFOLDING enables the generation of complex multi-layered tissues and tissue structures.
Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei, protons or electrons. It is employed in clinical applications such as NMR Tomography (MAGNETIC RESONANCE IMAGING).
The study of CHEMICAL PHENOMENA and processes in terms of the underlying PHYSICAL PHENOMENA and processes.
Porphyrins with four methyl and two propionic acid side chains attached to the pyrrole rings.
Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydroxyl groups (1-2 per 100 MW) for effective cross linking of other compounds (ASTRINGENTS). The two main types are HYDROLYZABLE TANNINS and CONDENSED TANNINS. Historically, the term has applied to many compounds and plant extracts able to render skin COLLAGEN impervious to degradation. The word tannin derives from the Celtic word for OAK TREE which was used for leather processing.
The pressure required to prevent the passage of solvent through a semipermeable membrane that separates a pure solvent from a solution of the solvent and solute or that separates different concentrations of a solution. It is proportional to the osmolality of the solution.
The washing of a body cavity or surface by flowing water or solution for therapy or diagnosis.
The thermodynamic interaction between a substance and WATER.
A synthetic disaccharide used in the treatment of constipation and hepatic encephalopathy. It has also been used in the diagnosis of gastrointestinal disorders. (From Martindale, The Extra Pharmacopoeia, 30th ed, p887)
The physical phenomena describing the structure and properties of atoms and molecules, and their reaction and interaction processes.
Substances which are of little or no therapeutic value, but are necessary in the manufacture, compounding, storage, etc., of pharmaceutical preparations or drug dosage forms. They include SOLVENTS, diluting agents, and suspending agents, and emulsifying agents. Also, ANTIOXIDANTS; PRESERVATIVES, PHARMACEUTICAL; COLORING AGENTS; FLAVORING AGENTS; VEHICLES; EXCIPIENTS; OINTMENT BASES.
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)
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.
Derivatives of ACETIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the carboxymethane structure.
Pathological processes of the TESTIS.
Substances or materials used in the course of housekeeping or personal routine.
Spherical particles of nanometer dimensions.
Chemical compounds derived from acids by the elimination of a molecule of water.
The concentration of osmotically active particles in solution expressed in terms of osmoles of solute per liter of solution. Osmolality is expressed in terms of osmoles of solute per kilogram of solvent.
The calcium salt of oxalic acid, occurring in the urine as crystals and in certain calculi.
The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity.
A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.
Agents that produce a soft formed stool, and relax and loosen the bowels, typically used over a protracted period, to relieve CONSTIPATION.
Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed.
Proteins that are chemically bound to a substrate material which renders their location fixed. The immobilization of proteins allows their use in chemical reactions without being diluted by solvent.
Substances used for the detection, identification, analysis, etc. of chemical, biological, or pathologic processes or conditions. Indicators are substances that change in physical appearance, e.g., color, at or approaching the endpoint of a chemical titration, e.g., on the passage between acidity and alkalinity. Reagents are substances used for the detection or determination of another substance by chemical or microscopical means, especially analysis. Types of reagents are precipitants, solvents, oxidizers, reducers, fluxes, and colorimetric reagents. (From Grant & Hackh's Chemical Dictionary, 5th ed, p301, p499)
Property of membranes and other structures to permit passage of light, heat, gases, liquids, metabolites, and mineral ions.
Congenital abnormalities caused by medicinal substances or drugs of abuse given to or taken by the mother, or to which she is inadvertently exposed during the manufacture of such substances. The concept excludes abnormalities resulting from exposure to non-medicinal chemicals in the environment.
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.
Colloids with a solid continuous phase and liquid as the dispersed phase; gels may be unstable when, due to temperature or other cause, the solid phase liquefies; the resulting colloid is called a sol.
A quality of cell membranes which permits the passage of solvents and solutes into and out of cells.
Sorbitan mono-9-octadecanoate poly(oxy-1,2-ethanediyl) derivatives; complex mixtures of polyoxyethylene ethers used as emulsifiers or dispersing agents in pharmaceuticals.
Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, for example Cl2, SO2, NO2, CS2, ozone, mercury vapor, and various unsaturated compounds. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Formation of stones in any part of the URINARY TRACT, usually in the KIDNEY; URINARY BLADDER; or the URETER.
Endoscopic examination, therapy or surgery of the luminal surface of the colon.
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.
The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Cell growth support structures composed of BIOCOMPATIBLE MATERIALS. They are specially designed solid support matrices for cell attachment in TISSUE ENGINEERING and GUIDED TISSUE REGENERATION uses.
A ubiquitous sodium salt that is commonly used to season food.
Agents that soften, separate, and cause desquamation of the cornified epithelium or horny layer of skin. They are used to expose mycelia of infecting fungi or to treat corns, warts, and certain other skin diseases.
A chelating agent relatively more specific for calcium and less toxic than EDETIC ACID.
The removal of an amino group (NH2) from a chemical compound.
A refined petroleum fraction used as a fuel as well as a solvent.
The transformation of a liquid to a glassy solid i.e., without the formation of crystals during the cooling process.
A nonreducing disaccharide composed of GLUCOSE and FRUCTOSE linked via their anomeric carbons. It is obtained commercially from SUGARCANE, sugar beet (BETA VULGARIS), and other plants and used extensively as a food and a sweetener.
Compounds in which one or more of the three hydroxyl groups of glycerol are in ethereal linkage with a saturated or unsaturated aliphatic alcohol; one or two of the hydroxyl groups of glycerol may be esterified. These compounds have been found in various animal tissue.
Chemical analysis based on the phenomenon whereby light, passing through a medium with dispersed particles of a different refractive index from that of the medium, is attenuated in intensity by scattering. In turbidimetry, the intensity of light transmitted through the medium, the unscattered light, is measured. In nephelometry, the intensity of the scattered light is measured, usually, but not necessarily, at right angles to the incident light beam.
Substances used to cause adherence of tissue to tissue or tissue to non-tissue surfaces, as for prostheses.
Theoretical representations that simulate the behavior or activity of chemical processes or phenomena; includes the use of mathematical equations, computers, and other electronic equipment.
Substances that dissociate into two or more ions, to some extent, in water. Solutions of electrolytes thus conduct an electric current and can be decomposed by it (ELECTROLYSIS). (Grant & Hackh's Chemical Dictionary, 5th ed)
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.
The relationship between the dose of an administered drug and the response of the organism to the drug.
The protoplasm and plasma membrane of plant, fungal, bacterial or archaeon cells without the CELL WALL.
A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed)
Artificially produced membranes, such as semipermeable membranes used in artificial kidney dialysis (RENAL DIALYSIS), monomolecular and bimolecular membranes used as models to simulate biological CELL MEMBRANES. These membranes are also used in the process of GUIDED TISSUE REGENERATION.
A series of steps taken in order to conduct research.
A group of compounds having the general formula CH2=C(CN)-COOR; it polymerizes on contact with moisture; used as tissue adhesive; higher homologs have hemostatic and antibacterial properties.
Magnesium oxide (MgO). An inorganic compound that occurs in nature as the mineral periclase. In aqueous media combines quickly with water to form magnesium hydroxide. It is used as an antacid and mild laxative and has many nonmedicinal uses.
A method of separation of two or more substances by repeated distribution between two immiscible liquid phases that move past each other in opposite directions. It is a form of liquid-liquid chromatography. (Stedman, 25th ed)
A product formed from skin, white connective tissue, or bone COLLAGEN. It is used as a protein food adjuvant, plasma substitute, hemostatic, suspending agent in pharmaceutical preparations, and in the manufacturing of capsules and suppositories.
Chromatography on non-ionic gels without regard to the mechanism of solute discrimination.
A group of enzymes catalyzing the endonucleolytic cleavage of DNA. They include members of EC 3.1.21.-, EC 3.1.22.-, EC 3.1.23.- (DNA RESTRICTION ENZYMES), EC 3.1.24.- (DNA RESTRICTION ENZYMES), and EC 3.1.25.-.
The presence of organisms, or any foreign material that makes a drug preparation impure.
Silicone polymers which consist of silicon atoms substituted with methyl groups and linked by oxygen atoms. They comprise a series of biocompatible materials used as liquids, gels or solids; as film for artificial membranes, gels for implants, and liquids for drug vehicles; and as antifoaming agents.
A basic enzyme that is present in saliva, tears, egg white, and many animal fluids. It functions as an antibacterial agent. The enzyme catalyzes the hydrolysis of 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrin. EC 3.2.1.17.
A polyvinyl polymer of variable molecular weight; used as suspending and dispersing agent and vehicle for pharmaceuticals; also used as blood volume expander.
The rotation of linearly polarized light as it passes through various media.
Purifying or cleansing agents, usually salts of long-chain aliphatic bases or acids, that exert cleansing (oil-dissolving) and antimicrobial effects through a surface action that depends on possessing both hydrophilic and hydrophobic properties.
An isomer of 1-PROPANOL. It is a colorless liquid having disinfectant properties. It is used in the manufacture of acetone and its derivatives and as a solvent. Topically, it is used as an antiseptic.
The application of drug preparations to the surfaces of the body, especially the skin (ADMINISTRATION, CUTANEOUS) or mucous membranes. This method of treatment is used to avoid systemic side effects when high doses are required at a localized area or as an alternative systemic administration route, to avoid hepatic processing for example.
A characteristic feature of enzyme activity in relation to the kind of substrate on which the enzyme or catalytic molecule reacts.
Elimination of ENVIRONMENTAL POLLUTANTS; PESTICIDES and other waste using living organisms, usually involving intervention of environmental or sanitation engineers.
Substances that are used in place of blood, for example, as an alternative to BLOOD TRANSFUSIONS after blood loss to restore BLOOD VOLUME and oxygen-carrying capacity to the blood circulation, or to perfuse isolated organs.
Members of the class of compounds composed of AMINO ACIDS joined together by peptide bonds between adjacent amino acids into linear, branched or cyclical structures. OLIGOPEPTIDES are composed of approximately 2-12 amino acids. Polypeptides are composed of approximately 13 or more amino acids. PROTEINS are linear polypeptides that are normally synthesized on RIBOSOMES.
Formation of a firm impassable mass of stool in the RECTUM or distal COLON.
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.
A rigorously mathematical analysis of energy relationships (heat, work, temperature, and equilibrium). It describes systems whose states are determined by thermal parameters, such as temperature, in addition to mechanical and electromagnetic parameters. (From Hawley's Condensed Chemical Dictionary, 12th ed)
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)
A cell line derived from cultured tumor cells.
The generic name for the group of aliphatic hydrocarbons Cn-H2n+2. They are denoted by the suffix -ane. (Grant & Hackh's Chemical Dictionary, 5th ed)
Fusion of somatic cells in vitro or in vivo, which results in somatic cell hybridization.
A chemical reaction in which an electron is transferred from one molecule to another. The electron-donating molecule is the reducing agent or reductant; the electron-accepting molecule is the oxidizing agent or oxidant. Reducing and oxidizing agents function as conjugate reductant-oxidant pairs or redox pairs (Lehninger, Principles of Biochemistry, 1982, p471).
A basic science concerned with the composition, structure, and properties of matter; and the reactions that occur between substances and the associated energy exchange.
The saxifrage plant family of the order ROSALES, subclass Rosidae, class Magnoliopsida. The leaves are alternate and sometimes deeply lobed or form rosettes. The flowers have both male and female parts and 4 or 5 sepals and petals; they are usually in branched clusters. The fruit is a capsule with many seeds.
Electron microscopy in which the ELECTRONS or their reaction products that pass down through the specimen are imaged below the plane of the specimen.
Materials incorporated mechanically in plastics (usually PVC) to increase flexibility, workability or distensibility; due to the non-chemical inclusion, plasticizers leach out from the plastic and are found in body fluids and the general environment.
A pathologic condition of acid accumulation or depletion of base in the body. The two main types are RESPIRATORY ACIDOSIS and metabolic acidosis, due to metabolic acid build up.
A specific protein in egg albumin that interacts with BIOTIN to render it unavailable to mammals, thereby producing biotin deficiency.
A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc.
Electrophoresis in which a polyacrylamide gel is used as the diffusion medium.
Microbial, plant, or animal cells which are immobilized by attachment to solid structures, usually a column matrix. A common use of immobilized cells is in biotechnology for the bioconversion of a substrate to a particular product. (From Singleton & Sainsbury, Dictionary of Microbiology and Molecular Biology, 2d ed)
Pyrolysis of organic compounds at the temperature of a hydrogen-air flame to produce ionic intermediates which can be collected and the resulting ion current measured by gas chromatography.
Polyethylene Glycol 3350 - OTC) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and ... How to Get Rid of Hemorrhoids: Types, Causes and Treatments See Slideshow ... Do not use if you are allergic to polyethylene glycol. Do not use if you have kidney disease, except under the advice and ... Do not use if you are allergic to polyethylene glycol. Do not use if you have kidney disease, except under the advice and ...
MEG is the most important type of ethylene glycol, which is used in fibers, films, and bottles. DEG and TEG glycol is obtained ... Monoethylene Glycol (MEG). Diethylene Glycol (DEG). Triethylene Glycol (TEG). By Application:. Coolant and Heat-Transfer Agent ... Ethylene glycol is a versatile organic compound which has properties such as clarity and viscosity.. Ethylene glycol acts as a ... Challenges to market growth for Global Ethylene Glycol manufacturers. *Key market opportunities of Global Ethylene Glycol ...
Polyalkylene Glycols (PAGs). *Esters. Chapter 6 Market Breakdown by Product Type. *Introduction ... The report does not include separate market data for the very small base oil types and product types covered under the other ... Revenue forecasts for 2025 are given for each bio-lubricant type, base oil, product type, end-use and region. Estimated values ... Each license type allows a set number of users to access the report. Please select an option from the list below. ...
Polyquaternium-116 and Butylene Glycol) is a hair conditioning agent that brings hair back to life. ... Polyquaternium-116 (and) Butylene Glycol Product Function. *Hair Conditioning Agent. Chemical Type ...
The impacts of the anion type, temperature and pH value were also investigated. An increase of the reaction temperature not ... A higher pH value leads to the deprotonation of ethylene glycol. The newly formed glycolate has a higher coordination affinity ... Michael Ruck therefore investigated the formation of BiNi particles in ethylene glycol in a microwave-assisted polyol process ... nanoparticles of 2 nm to 6 nm in diameter and oxidation products of ethylene glycol. Step-wise diffusion of Ni into the Bi- ...
Collected most commonly using these methods: 1 times Site RHNW03, Ethylene glycol pitfalls. Collect Date Range: collected ... Type specimens: paratype of Camponotus woodroffeensis: casent0915777 See something amiss? Send us an email. ...
Does it use Ethylene or Propylene Glycol? What type of lighting do you use in your home and business? ... Ive got many brands and types of CFLs in my house (my lighting is almost all CFL now), and they have wildy different light ... Just imagine the volume and type of toxins that have leached out of landfills into our waterways and oceans over the last ... Philips now owns the Luxeon & Lexel lines, those are architectural lighting type that you can integrate basically anywhere.. ...
Does it use Ethylene or Propylene Glycol? What type of lighting do you use in your home and business? ... Ive got many brands and types of CFLs in my house (my lighting is almost all CFL now), and they have wildy different light ... Just imagine the volume and type of toxins that have leached out of landfills into our waterways and oceans over the last ... Philips now owns the Luxeon & Lexel lines, those are architectural lighting type that you can integrate basically anywhere.. ...
RESOURCE TYPE. *Technical Reference Sheet (1). *Engineering Reference Sheet (23). *Installation Manual (9) ...
Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 50 m³/h, kvmax 170 m³/h, Fluid temperature -20...120°C Rotary actuator ... Wafer types. Fluid. Cold and warm water, water with glycol up to max. 50% vol.. kvs. 50 m³/h. Pattern. 2-way. Pipe connection. ... Control type. DC 2...10 V. Degree of protection. IP54. Electrical connection. Cable. Fail-safe function. Non fail-safe. Manual ... Butterfly valve, 2-way, DN 65, Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 50 m³/h, kvmax 170 m³/h, Fluid ...
Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 75 m³/h, kvmax 260 m³/h, Fluid temperature -20...120°C Rotary actuator ... Wafer types. Fluid. Cold and warm water, water with glycol up to max. 50% vol.. kvs. 75 m³/h. Pattern. 2-way. Pipe connection. ... Control type. DC 2...10 V. Degree of protection. IP54. Electrical connection. Cable. Fail-safe function. Non fail-safe. Manual ... Butterfly valve, 2-way, DN 80, Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 75 m³/h, kvmax 260 m³/h, Fluid ...
Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid temperature -20...120°C Rotary actuator ... Wafer types. Fluid. Cold and warm water, water with glycol up to max. 50% vol.. kvs. 30 m³/h. Pattern. 2-way. Pipe connection. ... Butterfly valve, 2-way, DN 50, Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid ...
Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 820 m³/h, kvmax 2200 m³/h, Fluid temperature -20...120°C ... Wafer types. Fluid. Cold and warm water, water with glycol up to max. 50% vol.. kvs. 820 m³/h. Pattern. 2-way. Pipe connection ... Butterfly valve, 2-way, DN 200, Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 820 m³/h, kvmax 2200 m³/h, Fluid ...
Flange with Lug types PN 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid temperature -20...120°C Rotary actuator fail- ... Lug types. Fluid. Cold and warm water, water with glycol up to max. 50% vol.. kvs. 30 m³/h. Pattern. 2-way. Pipe connection. ... Control type. Open/close. Degree of protection. IP54. Electrical connection. Cable. Fail-safe function. Fail-safe. Manual ... Butterfly valve, 2-way, DN 50, Flange with Lug types PN 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid temperature - ...
Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid temperature -20...120°C Rotary actuator ... Wafer types. Fluid. Cold and warm water, water with glycol up to max. 50% vol.. kvs. 30 m³/h. Pattern. 2-way. Pipe connection. ... Control type. DC 2...10 V. Degree of protection. IP54. Electrical connection. Cable. Fail-safe function. Fail-safe. Manual ... Butterfly valve, 2-way, DN 50, Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid ...
Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid temperature -20...120°C Rotary actuator ... Wafer types. Fluid. Cold and warm water, water with glycol up to max. 50% vol.. kvs. 30 m³/h. Pattern. 2-way. Pipe connection. ... Control type. Open/close. Degree of protection. IP54. Electrical connection. Cable. Fail-safe function. Fail-safe. Manual ... Butterfly valve, 2-way, DN 50, Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid ...
Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid temperature -20...120°C Rotary actuator ... Wafer types. Fluid. Cold and warm water, water with glycol up to max. 50% vol.. kvs. 30 m³/h. Pattern. 2-way. Pipe connection. ... Control type. Open/close. Degree of protection. IP54. Electrical connection. Cable. Fail-safe function. Fail-safe. Manual ... Butterfly valve, 2-way, DN 50, Flange with Wafer types PN 6 / 10 / 16, ps 1600 kPa, kvs 30 m³/h, kvmax 100 m³/h, Fluid ...
Flange with Lug types PN 16, ps 1600 kPa, kvs 3010 m³/h, kvmax 10300 m³/h, Fluid temperature -20...120°C Rotary actuator, 1000 ... Lug types. Fluid. Cold and warm water, water with glycol up to max. 50% vol.. kvs. 3010 m³/h. Pattern. 2-way. Pipe connection. ... Control type. DC 2...10 V. Degree of protection. IP67. Electrical connection. Terminals. Fail-safe function. Non fail-safe. ... Butterfly valve, 2-way, DN 350, Flange with Lug types PN 16, ps 1600 kPa, kvs 3010 m³/h, kvmax 10300 m³/h, Fluid temperature - ...
Cooled Scroll Type Water Chiller Heat Pump. With dependable high quality approach, great reputation and excellent customer ... One of Hottest for Water Cooled Heat Pump - Cryogenic ethylene glycol (brine) unit - Sunvi Detail: Application :. Cryogenic ... One of Hottest for Water Cooled Heat Pump - Cryogenic ethylene glycol (brine) unit - Sunvi. ... 1. Standard chiller: It can provide 3-35 ~C chilled water, or use ethylene glycol solution as refrigerant. It can provide -5-5 ...
VARIOUS CAR OWNERS HAVE EXPRESSED INTEREST IN USING ENGINE COOLANTS MADE WITH PROPYLENE GLYCOL INSTEAD OF ETHYLENE GLYCOL. *YC ... FRONT OF VEHICLE EXPERIENCING A LOW FREQUENCY RUMBLE/GEAR TYPE NOISE. *YC. Bulletin Number: 020797. CONCERNS WITH LOW FREQUENCY ... RUMBLE/ GEAR TYPE NOISE FROM FRONT OF VEHICEL. *NLM. Bulletin Number: 070397. ...
Accessory Type: Paint *Material: Propane , VM&P Naptha , Acetone , Glycol Ethers , Iso-Butyl Alchol ...
Accessory Type: Paint *Material: Propane , VM&P Naptha , Acetone , Glycol Ethers , Iso-Butyl Alchol ...
TABLE 34 TYPES OF BINDERS USED AS EXCIPIENTS. TABLE 35 COMMON TYPE OF BINDERS USED IN THE MARKET. TABLE 36 WORLD BINDERS ... TABLE 24 WORLD GLYCOLS EXCIPIENTS MARKET REVENUE, BY GEOGRAPHY, 2014-2020, ($MILLION). TABLE 25 FEATURES AND BENEFITS OF ... This report segments the world pharmaceutical excipients market on the basis of type, function, and geography. Based on type, ... TABLE 9 WORLD INORGANIC CHEMICAL EXCIPIENTS MARKET REVENUE, BY TYPE, 2014-2020, ($MILLION). TABLE 10 WORLD CALCIUM PHOSPHATE ...
MEGlobals diethylene glycol (DEG) products supplement our monoethylene glycol (MEG) portfolio, augmenting our capabilities to ... polymer with variable crystalline structure and an extremely large range of applications depending on the particular type. ...
... by Type (Alpha Hydroxy Acids & Polysaccharides, Glycerol, and Glycols), by Application, by Region ... ... Based on Type, the Humectants Market was studied across Alpha Hydroxy Acids & Polysaccharides, Glycerol, Glycols, and Sugar ... UV Stabilizers Market Research Report by Type, by Application, by Region - Global Forecast to 2026 - Cumulative Impact of COVID ... Humectants Market Research Report by Source, by Type, by Application, by Region - Global Forecast to 2026 - Cumulative Impact ...
3.1.2 Revenue of n-Butanol in EMEA by Types. 3.2 EMEA Market Status by Types in Major Countries. 3.2.1 Market Status by Types ... 1.3.3 Glycol Ethers. 1.3.4 Direct Solvent. 1.3.5 Other. 1.4 Development History of n-Butanol. 1.5 Market Status and Trend of n- ... 3.2.2 Market Status by Types in Middle East. 3.2.3 Market Status by Types in Africa. 3.3 Market Forecast of n-Butanol in EMEA ... CHAPTER 3 EMEA MARKET STATUS AND FORECAST BY TYPES. 3.1 Whole EMEA Market Status by Types. 3.1.1 Consumption Volume of n- ...
17 Reserved a sample of glycol distearate (4). COLD Found in part (a sample) of glyCOL Distearate ... STONE A type of cake with the first letter (a piece) of Tart replacing the letter represented in the NATO Phonetic Alphabet by ...
For use with Supplemental Coolant Additive (SCA & SCA+) - Ethyl Glycol or Propylene Glycol coolants ... Available Media Type. *Donaldson exclusive Synteq™ - synthetic fiber media for greater filtration efficiency and higher dust- ... Available Media Type. *Donaldson exclusive Synteq™ - synthetic fiber media for greater filtration efficiency and higher dust- ...
What really has me thinking is what type of life you would get out of the fridge. I found a almost one one locally for 20$ if ... I just finished a glycol chiller build (based upon the ideas of others of course!). A 5000 BTU A/C unit, a cooler, and glycol/ ... What if a tank was made and filled with glycol that my SS brewtech pump would cycle to chill my conical? The idea is rough but ... or even more fun bust and shoot pressurized glycol all over. i would add a fan to help keep the air moving around the tank. i ...
Hair Type: Dry. Health Facts: Silicone-Free, Petroleum-Free, Sulfate-Free, Mineral Oil-Free, Phthalate-Free, Propylene Glycol- ...
  • Because it exhibits good compatibility with various coatings resins, Ethylene Glycol Monobutyl Ether Acetate Solvent is used in many coatings applications. (ethersolvent.com)
  • The Ethylene Glycol Monobutyl Ether Acetate (BGA) market research encompasses an exhaustive analysis of the market outlook, framework, and socio-economic impacts. (oxonacf.org.uk)
  • Driven by primary and secondary researches, the Ethylene Glycol Monobutyl Ether Acetate (BGA) market study offers reliable and authentic projections regarding the technical jargon. (oxonacf.org.uk)
  • All the players running in the global Ethylene Glycol Monobutyl Ether Acetate (BGA) market are elaborated thoroughly in the Ethylene Glycol Monobutyl Ether Acetate (BGA) market report on the basis of proprietary technologies, distribution channels, industrial penetration, manufacturing processes, and revenue. (oxonacf.org.uk)
  • In addition, the report examines R&D developments, legal policies, and strategies defining the competitiveness of the Ethylene Glycol Monobutyl Ether Acetate (BGA) market players. (oxonacf.org.uk)
  • The Ethylene Glycol Monobutyl Ether Acetate (BGA) market research focuses on the market structure and various factors (positive and negative) affecting the growth of the market. (oxonacf.org.uk)
  • The study encloses a precise evaluation of the Ethylene Glycol Monobutyl Ether Acetate (BGA) market, including growth rate, current scenario, and volume inflation prospects, on the basis of DROT and Porter's Five Forces analyses. (oxonacf.org.uk)
  • In addition, the Ethylene Glycol Monobutyl Ether Acetate (BGA) market study provides reliable and authentic projections regarding the technical jargon. (oxonacf.org.uk)
  • Identify the factors affecting the Ethylene Glycol Monobutyl Ether Acetate (BGA) market growth - drivers, restraints, opportunities and trends. (oxonacf.org.uk)
  • Examine the Y-o-Y growth of the global Ethylene Glycol Monobutyl Ether Acetate (BGA) market. (oxonacf.org.uk)
  • Analyze trends impacting the demand prospect for the Ethylene Glycol Monobutyl Ether Acetate (BGA) in various regions. (oxonacf.org.uk)
  • Recognize different tactics leveraged by players of the global Ethylene Glycol Monobutyl Ether Acetate (BGA) market. (oxonacf.org.uk)
  • Identify the Ethylene Glycol Monobutyl Ether Acetate (BGA) market impact on various industries. (oxonacf.org.uk)
  • MEGlobal's diethylene glycol (DEG) products supplement our monoethylene glycol (MEG) portfolio, augmenting our capabilities to include applications that require hygroscopicity, lubricants and low volatility. (top20sites.com)
  • I am interested in Tank Package Diethylene Glycol Monobutyl Ether Acetate With Cas Number 124-17-4 could you send me more details such as type, size, quantity, material, etc. (ethersolvent.com)
  • We are a leading Wholesale Trader of diethylene glycol from Ahmedabad, India. (solvo-chem.com)
  • Keeping the track of latest happening in this domain, we are engaged in supplying and trading best quality of Diethylene Glycol . (solvo-chem.com)
  • Obtained from trusted vendors, the offered diethylene glycol is highly appreciated for its precise composition and enhanced shelf life. (solvo-chem.com)
  • With the aid of our rich vendors' base, we have been able to meet the bulk demands of diethylene glycol. (solvo-chem.com)
  • The experimental infinite dilution activity coefficients of several alkanes from n-pentane to n-hexadecane in monoethylene glycol, diethylene glycol, triethylene glycol, and tetraethylene glycol previously reported in the literature, along with the data measured in this work have been modeled using the cubic-plus-association (CPA) equation of state (EoS), Satisfactory results have been obtained using temperature-independent interaction parameters. (archives-ouvertes.fr)
  • Polyethylene (PE) is a thermoplastic polymer with variable crystalline structure and an extremely large range of applications depending on the particular type. (top20sites.com)
  • Scientists at found that antioxident carbon nanoparticles, modified with polyethylene glycol may hold the key to cell-targeted therapy, attacking the invaders and not healthy cells. (mysteriousuniverse.org)
  • By combining polyethylene glycol with hydrophilic carbon clusters (PEG-HCCs) have been proven to remove scavenger reactive oxygen superoxide molecule cells from T-cells without killing the cells. (mysteriousuniverse.org)
  • Apex's propylene glycol free Pure Cardamom Extract can be used to replace vanilla extract in a wide range of applications including cakes, cookies and ice cream. (apexflavors.com)
  • Our Pure Cardamom Extract (Propylene Glycol Free) contains ethyl alcohol, cardamom oil and water. (apexflavors.com)
  • Propylene Glycol Free. (apexflavors.com)
  • E-Liquid/vape juice contains flavourings, nicotine, propylene glycol and vegetable glycerine and, when heated up in a vape device, produces a vapour that resembles smoke. (ecigarettedirect.co.uk)
  • However, yesterday I noticed some of the RV antifreeze ( Propylene Glycol) I had filled them with leaking out of one of the many small and narrow ' surface cracks' on the sidewall. (tractorbynet.com)
  • Depending on how much antifreeze and which type it was put in the tires, it might not be enough residue to affect the slime. (tractorbynet.com)
  • The OP states that he used 'RV antifreeze', which is propylene glycol. (tractorbynet.com)
  • Chemtex Speciality Limited offers a high performance chemical, Inhibited Propylene Glycol which is developed to be used as an industrial coolant, antifreeze heat transfer agent. (chemtex.net)
  • BTW the glycol is used to keep the viscosity of the "fluid" active and is used in many automotive industries(antifreeze). (hackaday.com)
  • Open-loop systems heat the water that you actually use, while closed-loop systems heat an antifreeze-water solution (water and glycol) that transfers its heat to the domestic hot water. (popularmechanics.com)
  • The "ground loop" series is representative of the much more common installation, when an antifreeze fluid (usually propylene glycol) is pumped through the geothermal loop, which results in relatively lower efficiency (although still much higher than other types of heating and cooling equipment. (renewableenergyworld.com)
  • Instead, fully flush your antifreeze before using a new type. (yellowpages.ca)
  • Antifreeze is either made of propylene glycol or ethylene glycol. (yellowpages.ca)
  • Ethylene glycol is more efficient and found in lower-temperature antifreeze, but is highly toxic and can irritate skin. (yellowpages.ca)
  • Picking the right antifreeze comes down to your car's manufacturer, engine type and weather. (yellowpages.ca)
  • For example, consumption of preservative boosters-such as caprylyl glycol, glyceryl caprylate and ethylhexylglycerin-is growing at the expense of traditional preservatives as they also deliver emolliency to formulations, said Kline in its findings. (happi.com)
  • Propylene glycol n-propyl ether (PnP) is a colorless liquid with an ether-like odor. (ethersolvent.com)
  • PnP is a propylene oxide-based, or Pseries, glycol ether. (ethersolvent.com)
  • PnP glycol ether contains min. (ethersolvent.com)
  • I am interested in Pesticide Solvent Dispersing Agent Thinner Propylene Glycol Propyl Ether 99% For Coating Ink could you send me more details such as type, size, quantity, material, etc. (ethersolvent.com)
  • Ethylene glycol butyl ether acetate is a clear liquid with a mild odor. (ethersolvent.com)
  • Ethylene glycol butyl ether acetate is readily biodegradable, and its bioconcentration potential is low. (ethersolvent.com)
  • Ethylene glycol is a versatile organic compound which has properties such as clarity and viscosity. (satprnews.com)
  • While DOT 5 is synthetic based, DOT 5.1 is pretty much a lighter viscosity synthetic poly glycol fluid with DOT 4 performance parameters. (racingjunk.com)
  • For operation with non-aggressive, harmless media , e.g. water or water-glycol mixtures according to VDI 2035 / ÖNORM 5195. (oventrop.com)
  • EQUATE manufactures premium quality Monoethylene Glycol (MEG) and Diethylene. (top20sites.com)
  • We are offering Monoethylene Glycol to our clients. (euroindustrialchemicals.com)
  • In this work, we report the infinite dilution activity coefficients for four n-alkanes (n-pentane, n-hexane, n-heptane, and n-octane) in monoethylene glycol in the temperature range from 298 to 334 K and at atmospheric pressure. (archives-ouvertes.fr)
  • Standard packaging is a 1:100 dilution in 95% Propylene Glycol and 5% ethanol in an Aluminium bottle. (hopsteiner.com)
  • Based on Type, the Humectants Market was studied across Alpha Hydroxy Acids & Polysaccharides, Glycerol, Glycols, and Sugar Alcohols. (reportlinker.com)
  • This could actually be used on roofing and possibly be an addition to tyvek or a new type of roofing felt with this silicon/glycol additive. (hackaday.com)
  • In this report, the Global Ethylene Glycol market is valued at USD XX million in 2019 and is expected to reach USD XX million by the end of 2026, growing at a CAGR of XX% between 2019 and 2026. (satprnews.com)
  • Using Inhibited Propylene Glycol for heat transfer applications instead of brine solutions or uninhibited propylene glycol it cause a reduction in the maintenance costs and thereby improves heat transfer efficiency. (chemtex.net)
  • The more common glycol-based or "conventional" fluids fall under DOT 3 and DOT 4 specifications. (racingjunk.com)
  • Some of the ingredients which won't be found in this formula include petroleum compounds, artificial colors or fragrances, fluoride, parabens, artificial sweeteners, phthalates or glycols. (daizizheng.com)
  • ETHYLENE glycol (automotive anti-freeze) is VERY toxic! (tractorbynet.com)
  • Ethylene glycol is a highly toxic compound found in various household products. (uhblibrary.co.uk)
  • Propylene glycol transfers heat less efficiently and more is needed to get lower freeze temperatures, but it's more viscous and less toxic than ethylene glycol. (yellowpages.ca)
  • Unfortunately the fluid situation isn't as simple as swapping one type of fluid for another. (racingjunk.com)
  • For some time, the Department of Transportation (DOT) has issued a set of stringent specifications for brake fluid types. (racingjunk.com)
  • As you can easily see, the wet boiling point of silicone brake fluid and DOT5.1 is significantly higher than it's glycol-based counterparts. (racingjunk.com)
  • In the case of silicone fluid it's because it does not absorb moisture while standard glycol-based brake fluid does. (racingjunk.com)
  • When you take a look at a can of conventional glycol-based brake fluid, you'll almost always find a warning with regard to using the fluid immediately. (racingjunk.com)
  • Erratum: "On the solvation of the phosphocholine headgroup in an aqueous propylene glycol solution" [J. Chem. (ox.ac.uk)
  • A few firms are making ethylene glycol that's derived from sugar-fermented ethanol rather than fossil fuels. (sustainablebrands.com)
  • They essentially carefully bent the freezer portion downward to the fridge and filled the fridge with glycol. (homebrewtalk.com)
  • Free of lanolin, propylene glycol, colour, perfume and paraben to suit even the most sensitive skin types. (pharmacyonline.com.au)
  • 1. Standard chiller: It can provide 3-35 ~C chilled water, or use ethylene glycol solution as refrigerant. (sunviea-electric.com)
  • Propylene glycol, water and natural flavor. (savoryspiceshop.com)
  • There are 3 main types of lubricants: water-based (the most popular and universal), silicone (similar to the previous version, but they can be used in water) and from petroleum products (ideal for anal entertainment). (mudmorganfieldsite.com)
  • A more efficient open-loop system is a flat-plate collector type that transfers water to an insulated storage tank. (popularmechanics.com)
  • The global Ethylene Glycol market size is projected to reach US$ XX million by 2026, from US$ XX million in 2020, at a CAGR of XX% during 2021-2026. (satprnews.com)
  • 2021-08-06]", TYPE = "Master's thesis", SCHOOL = "Tomas Bata University in Zlín, Faculty of TechnologyZlín", SUPERVISOR = "Ing. (theses.cz)
  • MEG is the most important type of ethylene glycol, which is used in fibers, films, and bottles. (satprnews.com)
  • in short, you need to bend the tubes into the glycol to get adequate heat exchange. (homebrewtalk.com)
  • how hard would it be to bend the glycol tubes that chill the freezer element? (homebrewtalk.com)
  • Ethylene glycol acts as a hydroscopic liquid at room temperature. (satprnews.com)
  • In the cluster compound, that - at room temperature - may be regarded as a perovskite structure type with two complex ions, low temperature ordering of bismuth polycations could be observed. (tu-dresden.de)
  • If you live in a region where the temperature stays above freezing, you can get by with the simpler open-loop type. (popularmechanics.com)
  • What if a tank was made and filled with glycol that my SS brewtech pump would cycle to chill my conical? (homebrewtalk.com)
  • I had a similar idea of using my old chest freezer to keep a container of glycol chilled, then pump that through the conical. (homebrewtalk.com)
  • This compound shows an unusual vacancy ordering of the potassium positions and decomposes topotactically into β'' or β-aluminate-type K(1+x')Fe11O17. (tu-dresden.de)
  • The lugged and wafer butterfly valves are designed for installation between two flanges according to EN 1092-2. (oventrop.com)
  • The glycols used are the same type as those found in many food and skin care products. (loghomecenter.com)
  • Global Ethylene Glycol market has been broken down by major regions, with complete market estimates on the basis of products/applications on a regional basis. (satprnews.com)
  • Bi-particles are encased in a matrix of Ni‑nanoparticles of 2 nm to 6 nm in diameter and oxidation products of ethylene glycol. (tu-dresden.de)
  • Often, these products are used in combination with other benzoates and/or with other types of preservatives, such as phenoxyethanol. (happi.com)
  • Furthermore, the variation in the values of the interaction parameters is discussed for different glycol systems. (archives-ouvertes.fr)
  • I rolled the tire till the hole was above the liquid level and using a lot of glue and sopping the tube/tire thoroughly before inserting the tubeless type plug it has held so far. (tractorbynet.com)
  • If you have a sweet tooth and like the idea of a rich and luxurious chocolate tasting vape liquid or you are a rather fruity person and like the sound of a more exotic type of e liquid, we have the best range of premium e liquid flavours to suit you your vaping requirements. (gosmokefree.co.uk)
  • What types of e-liquid are there? (ecigarettedirect.co.uk)
  • This automated assay is suitable for the diagnosis of ethylene glycol poisoning and is now in routine use, enabling the laboratory to provide a rapid 24 h service with support by gas chromatography-mass spectrometry as necessary. (uhblibrary.co.uk)
  • The piston type spring assisted check valves DN 10 and DN 20 are suitable for Oventrop compression fittings item no. 10271. (oventrop.com)
  • Revenue forecasts for 2025 are given for each bio-lubricant type, base oil, product type, end-use and region. (researchandmarkets.com)
  • Global markets are presented by base oil, product type and end-use industry of biolubricants, along with growth forecasts through 2025. (researchandmarkets.com)

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