Acrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.Ethylene Oxide: 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)Chemical Industry: The aggregate enterprise of manufacturing and technically producing chemicals. (From Random House Unabridged Dictionary, 2d ed)Immediate Dental Implant Loading: Endosseous dental implantation where implants are fitted with an abutment or where an implant with a transmucosal coronal portion is used immediately (within 1 week) after the initial extraction. Conventionally, the implantation is performed in two stages with more than two months in between the stages.Denture, Overlay: Removable prosthesis constructed over natural teeth or implanted studs.Dental Implant-Abutment Design: The plan and delineation of DENTAL IMPLANT fitting with DENTAL ABUTMENT.Carcinogens: Substances that increase the risk of NEOPLASMS in humans or animals. Both genotoxic chemicals, which affect DNA directly, and nongenotoxic chemicals, which induce neoplasms by other mechanism, are included.Denture Retention: The retention of a denture in place by design, device, or adhesion.Intelligence: The ability to learn and to deal with new situations and to deal effectively with tasks involving abstractions.Nitriles: Organic compounds containing the -CN radical. The concept is distinguished from CYANIDES, which denotes inorganic salts of HYDROGEN CYANIDE.Acrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.Styrene: A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.Sociometric Techniques: Methods for quantitatively assessing and measuring interpersonal and group relationships.New JerseyFriends: Persons whom one knows, likes, and trusts.Peer Group: Group composed of associates of same species, approximately the same age, and usually of similar rank or social status.Styrenes: 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.Interpersonal Relations: The reciprocal interaction of two or more persons.Water Supply: Means or process of supplying water (as for a community) usually including reservoirs, tunnels, and pipelines and often the watershed from which the water is ultimately drawn. (Webster, 3d ed)Carcinogenicity Tests: Tests to experimentally measure the tumor-producing/cancer cell-producing potency of an agent by administering the agent (e.g., benzanthracenes) and observing the quantity of tumors or the cell transformation developed over a given period of time. The carcinogenicity value is usually measured as milligrams of agent administered per tumor developed. Though this test differs from the DNA-repair and bacterial microsome MUTAGENICITY TESTS, researchers often attempt to correlate the finding of carcinogenicity values and mutagenicity values.Acrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.Alkylation: The covalent bonding of an alkyl group to an organic compound. It can occur by a simple addition reaction or by substitution of another functional group.Fluorine Compounds: Inorganic compounds that contain fluorine as an integral part of the molecule.Chromatography, High Pressure Liquid: Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed.Signal Transduction: The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway.Cysteine: A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.Glutathione: A tripeptide with many roles in cells. It conjugates to drugs to make them more soluble for excretion, is a cofactor for some enzymes, is involved in protein disulfide bond rearrangement and reduces peroxides.Amino Acids: Organic compounds that generally contain an amino (-NH2) and a carboxyl (-COOH) group. Twenty alpha-amino acids are the subunits which are polymerized to form proteins.Subcellular Fractions: Components of a cell produced by various separation techniques which, though they disrupt the delicate anatomy of a cell, preserve the structure and physiology of its functioning constituents for biochemical and ultrastructural analysis. (From Alberts et al., Molecular Biology of the Cell, 2d ed, p163)Carcinoma, Hepatocellular: A primary malignant neoplasm of epithelial liver cells. It ranges from a well-differentiated tumor with EPITHELIAL CELLS indistinguishable from normal HEPATOCYTES to a poorly differentiated neoplasm. The cells may be uniform or markedly pleomorphic, or form GIANT CELLS. Several classification schemes have been suggested.Acrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.Terminology as Topic: The terms, expressions, designations, or symbols used in a particular science, discipline, or specialized subject area.Safety: Freedom from exposure to danger and protection from the occurrence or risk of injury or loss. It suggests optimal precautions in the workplace, on the street, in the home, etc., and includes personal safety as well as the safety of property.Accidents, Occupational: Unforeseen occurrences, especially injuries in the course of work-related activities.Databases, Chemical: Databases devoted to knowledge about specific chemicals.Ethylene Oxide: 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)Chemical Industry: The aggregate enterprise of manufacturing and technically producing chemicals. (From Random House Unabridged Dictionary, 2d ed)Patents as Topic: Exclusive legal rights or privileges applied to inventions, plants, etc.Immediate Dental Implant Loading: Endosseous dental implantation where implants are fitted with an abutment or where an implant with a transmucosal coronal portion is used immediately (within 1 week) after the initial extraction. Conventionally, the implantation is performed in two stages with more than two months in between the stages.Dictionaries, ChemicalRubber: A high-molecular-weight polymeric elastomer derived from the milk juice (LATEX) of HEVEA brasiliensis and other trees and plants. It is a substance that can be stretched at room temperature to at least twice its original length and after releasing the stress, retract rapidly, and recover its original dimensions fully.Amitrole: A non-selective post-emergence, translocated herbicide. According to the Seventh Annual Report on Carcinogens (PB95-109781, 1994) this substance may reasonably be anticipated to be a carcinogen. (From Merck Index, 12th ed) It is an irreversible inhibitor of CATALASE, and thus impairs activity of peroxisomes.Commerce: The interchange of goods or commodities, especially on a large scale, between different countries or between populations within the same country. It includes trade (the buying, selling, or exchanging of commodities, whether wholesale or retail) and business (the purchase and sale of goods to make a profit). (From Random House Unabridged Dictionary, 2d ed, p411, p2005 & p283)China: A country spanning from central Asia to the Pacific Ocean.Seals, Earless: The family Phocidae, suborder PINNIPEDIA, order CARNIVORA, comprising the true seals. They lack external ears and are unable to use their hind flippers to walk. It includes over 18 species including the harp seal, probably the best known seal species in the world.Hevea: A plant genus of the family EUPHORBIACEAE, order Euphorbiales, subclass Rosidae. Commercial natural RUBBER is mainly obtained from Hevea brasiliensis but also from some other plants.Rubber Dams: Sheets of latex rubber punched and placed over the teeth during dental procedures to isolate the field of operation from the rest of the oral cavity (Jablonski; Illustrated Dictionary of Dentistry, 1982). Rubber dams are useful in preventing the swallowing of instruments or restorations during dental work.United StatesFur Seals: A group comprised of several species of eared seals found in two genera, in the family Otariidae. In comparison to SEA LIONS, they have an especially dense wooly undercoat.Noise, Transportation: Noise associated with transportation, particularly aircraft and automobiles.Acrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.Styrene: A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.Styrenes: 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.Butadienes: Four carbon unsaturated hydrocarbons containing two double bonds.Fraud: Exploitation through misrepresentation of the facts or concealment of the purposes of the exploiter.Chemical Industry: The aggregate enterprise of manufacturing and technically producing chemicals. (From Random House Unabridged Dictionary, 2d ed)China: A country spanning from central Asia to the Pacific Ocean.Epoxy Compounds: Organic compounds that include a cyclic ether with three ring atoms in their structure. They are commonly used as precursors for POLYMERS such as EPOXY RESINS.Counterfeit Drugs: Drugs manufactured and sold with the intent to misrepresent its origin, authenticity, chemical composition, and or efficacy. Counterfeit drugs may contain inappropriate quantities of ingredients not listed on the label or package. In order to further deceive the consumer, the packaging, container, or labeling, may be inaccurate, incorrect, or fake.Ethylene Oxide: 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)Acrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.Marketing: Activity involved in transfer of goods from producer to consumer or in the exchange of services.Research Report: Detailed account or statement or formal record of data resulting from empirical inquiry.Styrene: A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.Styrenes: 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.Foundations: Organizations established by endowments with provision for future maintenance.Dietetics: The application of nutritional principles to regulation of the diet and feeding persons or groups of persons.Journalism, Medical: The collection, writing, and editing of current interest material on topics related to biomedicine for presentation through the mass media, including newspapers, magazines, radio, or television, usually for a public audience such as health care consumers.Publications: Copies of a work or document distributed to the public by sale, rental, lease, or lending. (From ALA Glossary of Library and Information Science, 1983, p181)Research Design: A plan for collecting and utilizing data so that desired information can be obtained with sufficient precision or so that an hypothesis can be tested properly.Acrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.Styrene: A colorless, toxic liquid with a strong aromatic odor. It is used to make rubbers, polymers and copolymers, and polystyrene plastics.Styrenes: 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.Elastomers: A generic term for all substances having the properties of stretching under tension, high tensile strength, retracting rapidly, and recovering their original dimensions fully. They are generally POLYMERS.Halogenated Diphenyl Ethers: Compounds that contain two halogenated benzene rings linked via an OXYGEN atom. Many polybrominated diphenyl ethers are used as FLAME RETARDANTS.Flame Retardants: Materials applied to fabrics, bedding, furniture, plastics, etc. to retard their burning; many may leach out and cause allergies or other harm.Ferns: Seedless nonflowering plants of the class Filicinae. They reproduce by spores that appear as dots on the underside of feathery fronds. In earlier classifications the Pteridophyta included the club mosses, horsetails, ferns, and various fossil groups. In more recent classifications, pteridophytes and spermatophytes (seed-bearing plants) are classified in the Subkingdom Tracheobionta (also known as Tracheophyta).Polybrominated Biphenyls: Biphenyl compounds which are extensively brominated. Many of these compounds are toxic environmental pollutants.Phenyl Ethers: Ethers that are linked to a benzene ring structure.Hydrocarbons, BrominatedAcrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.Biofuels: Hydrocarbon-rich byproducts from the non-fossilized BIOMASS that are combusted to generate energy as opposed to fossilized hydrocarbon deposits (FOSSIL FUELS).Gasoline: Volative flammable fuel (liquid hydrocarbons) derived from crude petroleum by processes such as distillation reforming, polymerization, etc.Capitalism: A political and economic system characterized by individual rights, by private or corporate ownership of capital goods, and by prices, production, and the distribution of goods that are determined mainly by competition in a free market. (From Merriam-Webster's Collegiate Dictionary, 10th ed)Toes: Any one of five terminal digits of the vertebrate FOOT.Electronics: The study, control, and application of the conduction of ELECTRICITY through gases or vacuum, or through semiconducting or conducting materials. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Genome: The genetic complement of an organism, including all of its GENES, as represented in its DNA, or in some cases, its RNA.Hydrogen: The first chemical element in the periodic table. It has the atomic symbol H, atomic number 1, and atomic weight [1.00784; 1.00811]. It exists, under normal conditions, as a colorless, odorless, tasteless, diatomic gas. Hydrogen ions are PROTONS. Besides the common H1 isotope, hydrogen exists as the stable isotope DEUTERIUM and the unstable, radioactive isotope TRITIUM.Ethylene Oxide: 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)Hydrogen Bonding: A low-energy attractive force between hydrogen and another element. It plays a major role in determining the properties of water, proteins, and other compounds.Acrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.Copyright: It is a form of protection provided by law. In the United States this protection is granted to authors of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works. This protection is available to both published and unpublished works. (from Circular of the United States Copyright Office, 6/30/2008)Documentation: Systematic organization, storage, retrieval, and dissemination of specialized information, especially of a scientific or technical nature (From ALA Glossary of Library and Information Science, 1983). It often involves authenticating or validating information.Hazardous Substances: Elements, compounds, mixtures, or solutions that are considered severely harmful to human health and the environment. They include substances that are toxic, corrosive, flammable, or explosive.Inorganic Chemicals: A broad class of substances encompassing all those that do not include carbon and its derivatives as their principal elements. However, carbides, carbonates, cyanides, cyanates, and carbon disulfide are included in this class.Occupational Exposure: The exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation.Air Pollutants, Occupational: Air pollutants found in the work area. They are usually produced by the specific nature of the occupation.Threshold Limit Values: Standards for limiting worker exposure to airborne contaminants. They are the maximum concentration in air at which it is believed that a particular substance will not produce adverse health effects with repeated daily exposure. It can be a time-weighted average (TLV-TWA), a short-term value (TLV-STEL), or an instantaneous value (TLV-Ceiling). They are expressed either as parts per million (ppm) or milligram per cubic meter (mg/m3).Software: Sequential operating programs and data which instruct the functioning of a digital computer.1,4-alpha-Glucan Branching Enzyme: In glycogen or amylopectin synthesis, the enzyme that catalyzes the transfer of a segment of a 1,4-alpha-glucan chain to a primary hydroxy group in a similar glucan chain. EC 2.4.1.18.
(1/105) Activation of the kallikrein-kinin system in hemodialysis: role of membrane electronegativity, blood dilution, and pH.

BACKGROUND: The kallikrein-kinin system activation by contact with a negatively charged surface has been promulgated to be responsible for hypersensitivity reactions. However, to explain the low frequency and heterogeneity of hypersensitivity reactions, we hypothesized that not only the electronegativity of the membrane, but also other physicochemical parameters could influence the activation of the contact phase system of plasma assessed by the measurement of kallikrein activity and bradykinin concentration. METHODS: Plasma kallikrein activity using chromogenic substrate (S2302) and plasma bradykinin concentration (enzyme immuno assay) were measured during the perfusion of human plasma (2.5 ml/min) through minidialyzers mounted with six different membranes [polyacrylonitrile (PAN) from Asahi (PANDX) and from Hospal (AN69), polymethylmethacrylate (PMMA) from Toray, cellulose triacetate (CT) from Baxter, cuprophane (CUP) from Akzo and polysulfone (PS) from Fresenius]. RESULTS: A direct relationship was shown between the electronegativity of the membrane assessed by its zeta potential and the activation of plasma during the first five minutes of plasma circulation. With the AN69 membrane, the detection of a kallikrein activity in diluted plasma but not in undiluted samples confirmed the importance of a protease-antiprotease imbalance leading to bradykinin release during the first five minutes of dialysis. With PAN membranes, the use of citrated versus heparinized plasma and the use of various rinsing solutions clearly show a dramatic effect of pH on the kallikrein activity and the bradykinin concentration measured in plasma. Finally, increasing the zeta potential of the membrane leads to a significant increase of plasma kallikrein activity and bradykinin concentration. CONCLUSIONS: Our in vitro experimental approach evidences the importance of the control of these physicochemical factors to decrease the activation of the contact system.  (+info)

(2/105) Intravitreous transplantation of encapsulated fibroblasts secreting the human fibroblast growth factor 2 delays photoreceptor cell degeneration in Royal College of Surgeons rats.

We developed an experimental approach with genetically engineered and encapsulated mouse NIH 3T3 fibroblasts to delay the progressive degeneration of photoreceptor cells in dark-eyed Royal College of Surgeons rats. These xenogeneic fibroblasts can survive in 1. 5-mm-long microcapsules made of the biocompatible polymer AN69 for at least 90 days under in vitro and in vivo conditions because of their stable transfection with the gene for the 18-kDa form of the human basic fibroblast growth factor (hFGF-2). Furthermore, when transferred surgically into the vitreous cavity of 21-day-old Royal College of Surgeons rats, the microencapsulated hFGF-2-secreting fibroblasts provoked a local delay of photoreceptor cell degeneration, as seen at 45 days and 90 days after transplantation. This effect was limited to 2.08 mm2 (45 days) and 0.95 mm2 (90 days) of the retinal surface. In both untreated eyes and control globes with encapsulated hFGF-2-deficient fibroblasts, the rescued area (of at most 0.08 mm2) was significantly smaller at both time points. Although, in a few ocular globes, surgical trauma induced a reorganization of the retinal cytoarchitecture, neither microcapsule rejection nor hFGF-2-mediated tumor formation were detected in any treated eyes. These findings indicate that encapsulated fibroblasts secreting hFGF-2 or perhaps other agents can be applied as potential therapeutic tools to treat retinal dystrophies.  (+info)

(3/105) Health hazards in the production and processing of some fibers, resins, and plastics in Bulgaria.

Results of the toxicological studies of working conditions, general and professional morbidity, and complex examinations carried out on workers engaged in the production of polyamides, polyacrylonitrile fibers, polyester fibers and poly (vinyl chloride) resin, urea-formaldehyde glue, glass fibre materials and polyurethane resins are given. An extremely high occupational hazard for workers in the production of poly (vinyl chloride) resin and porous materials from polyurethane resins and urea-formaldehyde glue has been established. Cases of vinyl chloride disease, poisoning from formaldehyde, isocyanates, and styrene were noted. Prophylactic measures were taken in Bulgaria to lessen the occupational hazard in the productions as set forth included limitation of the work day to 6 hr, free food, additional bonus and leave, and annual physical examinations of workers.  (+info)

(4/105) Induction of oxidative stress and oxidative damage in rat glial cells by acrylonitrile.

Chronic treatment of rats with acrylonitrile (ACN) resulted in a dose-related increase in glial cell tumors (astrocytomas). While the exact mechanism(s) for ACN-induced carcinogenicity remains unresolved, non-genotoxic and possibly tumor promotion modes of action appear to be involved in the induction of glial tumors. Recent studies have shown that ACN induced oxidative stress selectively in rat brain in a dose-responsive manner. The present study examined the ability of ACN to induce oxidative stress in a rat glial cell line, a target tissue, and in cultured rat hepatocytes, a non-target tissue of ACN carcinogenicity. Glial cells and hepatocytes were treated for 1, 4 and 24 h with sublethal concentrations of ACN. ACN induced an increase in oxidative DNA damage, as evidenced by increased production of 8-hydroxy-2'-deoxyguanosine (8-OH-dG) in glial cells but not in rat hepatocytes. Hydroxyl radical formation following ACN treatment was also selectively increased in glial cells. Following 1 and 4 h of ACN exposure, the levels of the non-enzymatic antioxidant glutathione, as well as the activities of the enzymatic antioxidants catalase and superoxide dismutase were significantly decreased in the rat glial cells. Lipid peroxidation and the activity of glutathione peroxidase were not affected by ACN treatment in rat glial cells. No changes in any of these biomarkers of oxidative stress were observed in hepatocytes treated with ACN. These data indicate that ACN selectively induced oxidative stress in rat glial cells.  (+info)

(5/105) Encapsulation in hollow fibres of xenogeneic cells engineered to secrete IL-4 or IL-13 ameliorates murine collagen-induced arthritis (CIA).

A strategy of gene therapy using IL-4 or IL-13 xenogeneic transfected cells encapsulated into permeable hollow fibres (HF) was used to treat CIA. Hydrogel-based hollow fibres were obtained from AN-69 copolymer, already known for its biocompatibility and tolerance in rodents. Permeability to IL-4 and lack of cell leakage from the fibres were ascertained in vitro and in vivo. Chinese hamster ovary (CHO) fibroblasts transfected with mouse IL-4 gene were encapsulated in HF (6.25 x 105 cells/HF). IL-4 was detected in vitro in the culture supernatant of filled fibres for at least 19 days. IL-4 or IL-13 transfected CHO cells encapsulated in HF were implanted in the peritoneum of mice on days 11-13 after immunization with type II collagen. Control mice were treated with fibre containing CHO cells transfected with beta-galactosidase (betagal) gene; a positive control group consisted of mice treated by subcutaneous injection of 106 cells on days 10 and 25. Mice were monitored for signs of arthritis by observers unaware of the status of animals. Results of these experiments indicate that severity of the articular disease was significantly reduced in the groups of mice treated with CHO/IL-4 or CHO/IL-13 cells encapsulated in HF, compared with control groups receiving CHO/betagal cells encapsulated in HF. Histological analysis confirmed these data and extended them to a better inhibitory effect of encapsulated cells compared with free cells on inflammatory and destructive joint disease. Moreover, such long-term treatment with HF was well tolerated; macroscopic and histological aspects of peritoneal cavity were moderately inflammatory. Thus, our results may have important implications for clinical use of gene transfected cells as therapeutic agents in the treatment of autoimmune diseases.  (+info)

(6/105) Nitrilase of Rhodococcus rhodochrous J1. Conversion into the active form by subunit association.

Nitrilase-containing resting cells of Rhodococcus rhodochrous J1 converted acrylonitrile and benzonitrile to the corresponding acids, but the purified nitrilase hydrolyzed only benzonitrile, and not acrylonitrile. The activity of the purified enzyme towards acrylonitrile was recovered by preincubation with 10 mM benzonitrile, but not by preincubation with aliphatic nitriles such as acrylonitrile. It was shown by light-scattering experiments, that preincubation with benzonitrile led to the assembly of the inactive, purified and homodimeric 80-kDa enzyme to its active 410-kDa aggregate, which was proposed to be a decamer. Furthermore, the association concomitant with the activation was reached after dialysis of the enzyme against various salts and organic solvents, with the highest recovery reached at 10% saturated ammonium sulfate and 50% (v/v) glycerol, and by preincubation at increased temperatures or enzyme concentrations.  (+info)

(7/105) Nitrile hydratase and amidase from Rhodococcus rhodochrous hydrolyze acrylic fibers and granular polyacrylonitriles.

Rhodococcus rhodochrous NCIMB 11216 produced nitrile hydratase (320 nkat mg of protein(-1)) and amidase activity (38.4 nkat mg of protein(-1)) when grown on a medium containing propionitrile. These enzymes were able to hydrolyze nitrile groups of both granular polyacrylonitriles (PAN) and acrylic fibers. Nitrile groups of PAN40 (molecular mass, 40 kDa) and PAN190 (molecular mass, 190 kDa) were converted into the corresponding carbonic acids to 1.8 and 1.0%, respectively. In contrast, surfacial nitrile groups of acrylic fibers were only converted to the corresponding amides. X-ray photoelectron spectroscopy analysis showed that 16% of the surfacial nitrile groups were hydrolyzed by the R. rhodochrous enzymes. Due to the enzymatic modification, the acrylic fibers became more hydrophilic and thus, adsorption of dyes was enhanced. This was indicated by a 15% increase in the staining level (K/S value) for C. I. Basic Blue 9.  (+info)

(8/105) Acrylonitrile-induced morphological transformation in Syrian hamster embryo cells.

Acrylonitrile (ACN) is a monomer used in the synthesis of rubber, fibers and plastics. Previous studies demonstrated that ACN induces brain neoplasms (predominately astrocytomas) in rats following chronic treatment. While the mechanisms of ACN-induced glial cell carcinogenicity have not been completely elucidated, investigations by our group and others have suggested a role for the induction of oxidative stress and the resultant oxidative damage in this process. In vitro cell transformation models are useful for detecting and studying the mechanisms of chemical carcinogenesis. Cell transformation by chemical carcinogens in Syrian hamster embryo (SHE) cells exhibits a multistage process similar to that observed in vivo, for both non-genotoxic and genotoxic carcinogens. In the present study, the ability of ACN to induce morphological transformation and oxidative damage was examined in SHE cells. ACN induced an increase in morphological transformation at doses of 50, 62.5 and 75 microg/ml (maximum sub-toxic dose tested) following 7 days of continuous treatment. SHE cells exposed to ACN for 24 h failed to increase morphological transformation. Morphological transformation by ACN was inhibited by co-treatment with the antioxidants alpha-tocopherol and (-)-epigallocathechin-3 gallate (EGCG) for 7 days. Treatment of SHE cells with 75 microg/ml ACN produced a significant increase in 8-hydroxy-2'-deoxyguanosine that was also inhibited by co-treatment with alpha-tocopherol or EGCG. These results support the proposal that oxidative stress and the resulting oxidative damage is involved in ACN-induced carcinogenicity.  (+info)

*  Acrylonitrile
... and derivatives, such as 2-chloro-acrylonitrile, are dienophiles in Diels-Alder reactions. Acrylonitrile is also ... such as styrene-acrylonitrile (SAN), acrylonitrile butadiene styrene (ABS), acrylonitrile styrene acrylate (ASA), and other ... Acrylonitrile is harmful to aquatic life. Acrylonitrile has been detected in the atmosphere of Titan, a moon of Saturn. ... Acrylonitrile Fact Sheet: Support Document (CAS No. 107-13-1). epa.gov Sun X (Jan 2014). "Cytotoxic effects of acrylonitrile on ...
*  Polybutadiene acrylonitrile
... (PBAN) copolymer, also noted as polybutadiene-acrylic acid-acrylonitrile terpolymer is a copolymer ...
*  Acrylonitrile styrene acrylate
... (ASA), also called acrylic styrene acrylonitrile, is a thermoplastic developed as an alternative ... are chemically grafted with styrene-acrylonitrile copolymer chains, and embedded in styrene-acrylonitrile matrix. The acrylate ... "Acrylonitrile Styrene Acrylate (ASA) Plastic , UL Prospector". plastics.ides.com. Retrieved 2017-01-11. "~/media/Main/Files/ ... to acrylonitrile butadiene styrene (ABS), but with improved weather resistance, and is widely used in the automotive industry. ...
*  Acrylonitrile butadiene styrene
ABS is derived from acrylonitrile, butadiene, and styrene. Acrylonitrile is a synthetic monomer produced from propylene and ... Acrylonitrile butadiene styrene (ABS) (chemical formula (C8H8)x·​(C4H6)y·​(C3H3N)z) is a common thermoplastic polymer. Its ... The proportions can vary from 15 to 35% acrylonitrile, 5 to 30% butadiene and 40 to 60% styrene. The result is a long chain of ... ABS - acrylonitrile butadiene styrene On Designsite.dk, lists applications. Retrieved 27 October 2006. Market Study Engineering ...
*  Styrene-acrylonitrile resin
Styrene acrylonitrile resin is a copolymer plastic consisting of styrene and acrylonitrile. It is also known as SAN. It is ... The acrylonitrile from SAN containers has been found to migrate to content in variable amounts. Acrylonitrile is classified as ... The relative composition is typically between 70 and 80% by weight styrene and 20 to 30% acrylonitrile. Larger acrylonitrile ... The copolymer has a glass transition temperature greater than 100 °C owing to the acrylonitrile units in the chain, thus making ...
*  National Historic Chemical Landmarks
"Sohio Acrylonitrile Process". National Historic Chemical Landmarks. American Chemical Society. Retrieved 2017-11-11. " ... introduced by Sherwin-Williams in 1941 The Sohio process for production of acrylonitrile, developed by Sohio in 1957 and ...
*  Ethylene oxide
Currently, most acrylonitrile (90% in 2008) is produced by the SOHIO method, which is based on the catalytic oxidation of ... "The Sohio Acrylonitrile Process". National Historic Chemical Landmarks. American Chemical Society. Archived from the original ... producing acrylonitrile: HO-CH2CH2-CN → CH2=CH-CN + H2O When reacting with the hydrogen sulfide, ethylene oxide forms 2- ...
*  Polyacrylonitrile
Acrylonitrile is commonly employed as a comonomer with styrene, e.g. acrylonitrile, styrene and acrylate plastics. PAN absorbs ... It is a component repeat unit in several important copolymers, such as styrene-acrylonitrile (SAN) and acrylonitrile butadiene ... All commercial methods of production of PAN are based on free radical polymerization of Acrylonitrile (AN). Most of the cases, ... Almost all polyacrylonitrile resins are copolymers made from mixtures of monomers with acrylonitrile as the main component. It ...
*  Microcellular plastic
acrylonitrile butadiene styrene Miller, Dustin. "Microcellular Plastics Lab - University of Washington". faculty.washington.edu ... "Ultrasound assisted cyclic solid-state foaming for fabricating ultra-low density porous acrylonitrile-butadiene-styrene foams ...
*  Ammoxidation
An important application of this process is the production of acrylonitrile: CH3CH=CH2 + 3/2 O2 + NH3 → NCCH=CH2 + 3 H2O ... "Sohio Acrylonitrile Process - American Chemical Society". American Chemical Society. Retrieved 11 July 2017. Peter Pollak, ... doi:10.1002/14356007.a17_363 "The Sohio Acrylonitrile Process". National Historic Chemical Landmarks. American Chemical Society ... Several million tons of acrylonitrile are produced in this way annually. The solvent acetonitrile is a byproduct of this ...
*  Hydrophosphination
The carbanion intermediate would attack another molecule of acrylonitrile affording a product that would be expected from many ... 1990, 1701.Pringle, P. G.; Smith, M. B. (1990). "Platinum(0)-catalysed hydrophosphination of acrylonitrile". Journal of the ... such as acrylonitrile inserts into the Pt-P bond and then reductively eliminate to afford the hydrophosphinated acrylonitrile. ... "Platinum-Catalyzed Acrylonitrile Hydrophosphination via Olefin Insertion into a Pt−P Bond". Journal of the American Chemical ...
*  Copolymer
Acrylonitrile butadiene styrene is a common example. Copolymers section of Polymer article Thermoplastic elastomer Tholin ... Commercially relevant copolymers include acrylonitrile butadiene styrene (ABS), styrene/butadiene co-polymer (SBR), nitrile ... rubber, styrene-acrylonitrile, styrene-isoprene-styrene (SIS) and ethylene-vinyl acetate, all formed by chain-growth ...
*  Formyl cyanide
3. Unsaturated Aliphatics: Acrolein, Acrylonitrile, Maleic Anhydride". Journal of the Air & Waste Management Association. 40 ( ... the pollutant acrylonitrile reacts with hydroxyl radical forming formyl cyanide, hydroperoxyl and formaldehyde: CH2=CHCN + OH ...
*  2-Vinylpyridine
Acrylonitrile is the solvent for the reaction. Vinylpyridine is sensitive to polymerization. It may be stabilized with a free ... An alternative synthesis involves the reaction of acrylonitrile and acetylene below 130-140 ̊C in the presence of organocobalt ...
*  2-Methyleneglutaronitrile
... of acrylonitrile are formed. During the electrochemical hydrooligomerization of acrylonitrile, these are trimers, such as 1,3,6 ... The DABCO-catalyzed acrylonitrile dimerization of 2,4-dicyano-1-butene after 10 days at room temperature is with 40% yield ... The reaction of acrylonitrile with tributylphosphine affords 2-methyleneglutaronitrile in a modest yield of about 10% after ... A new class of acrylonitrile oligomers", J. Org. Chem. 30 (5): pp. 1351-1356, doi:10.1021/jo01016a003 M.M. Baizer, J.D. ...
*  2015 Tennessee train derailment
It comprised two locomotives and 57 freight cars, at least two of which were carrying acrylonitrile. Other railcars in the ... UTLX 901717 LEAKED 24,500 GALLONS OF ACRYLONITRILE STABILIZED. Jamieson, Alastair; Walters, Shamar; Nelson, Chris. "Tennessee ...
*  Copper(II) acetate
It has been used for hydroamination of acrylonitrile. It combines with arsenic trioxide to form copper acetoarsenite, a ...
*  Bathtub liner
100% ABS Acrylonitrile Butadiene Styrene is nearly indestructible. Disadvantages: it doesn't manage as well with UV light, ... ABS Acrylonitrile Butadiene Styrene, used as the foundation and provides dimensional stability and then layered with 15% ...
*  DSM (company)
ChemicaInvest consists of three business units; Aliancys (composite resins), AnQore (acrylonitrile) and Fibrant (caprolactam). ...
*  Atom-transfer radical-polymerization
... and acrylonitrile. ATRP are successful at leading to polymers of high number average molecular weight and a narrow ... "Photoinduced Metal-Free Atom Transfer Radical Polymerization of Acrylonitrile". ACS Macro Letters. 4 (2): 192-196. doi:10.1021/ ...
*  UA120
A solid propellant, polybutadiene acrylonitrile, was used as fuel. The stage had an external diameter of 120 inches. Attitude ...
*  Life on Titan
The proposed chemical base for these membranes is acrylonitrile, which has been detected on Titan. Called an "azotosome" (' ... An analysis of Cassini data, completed in 2017, confirmed substantial amounts of acrylonitrile in Titan's atmosphere. In order ... "Absolute Intensities of the Infrared Bands of Gaseous Acrylonitrile". J Mol Spectrosc. 194: 206-210. Bibcode:1999JMoSp.194.. ...
*  Benzyl alcohol
... reacts with acrylonitrile to give N-benzylacrylamide. This is an example of a Ritter reaction: C6H5CH2OH + ...
*  Reissert reaction
"Acid-Catalyzed Condensation of a Reissert Compound with Acrylonitrile". The Journal of Organic Chemistry. 31 (12): 4110. doi: ...
*  Brominated vegetable oil
... the other three are acrylonitrile copolymers, mannitol, and saccharin. BVO is currently permitted as a food additive in Canada ...
Acrylonitrile | Compliance and Methodology  Acrylonitrile | Compliance and Methodology
Acrylonitrile Overview. For those looking to keep abreast of the global Acrylonitrile market, our independent, unbiased pricing ... This is the ICIS pricing methodology for acrylonitrile. ICIS quotes acrylonitrile prices in Asia-Pacific, Europe and the US ... Acrylonitrile Methodology - 23 November 2016 This entry was posted on November 29, 2016. by Sam Weatherlake. Methodology ... Whether you buy or sell Acrylonitrile or related products, you need to know about the prices and the factors driving the prices ...
more infohttps://www.icis.com/compliance/commodities/acrylonitrile/
Acrylonitrile butadiene styrene Manufacturers & Suppliers, China acrylonitrile butadiene styrene Manufacturers & Factories  Acrylonitrile butadiene styrene Manufacturers & Suppliers, China acrylonitrile butadiene styrene Manufacturers & Factories
China acrylonitrile butadiene styrene manufacturer & factory list, find qualified Chinese acrylonitrile butadiene styrene ... Acrylonitrile-butadiene-styrene Resins Factory Acrylonitrile Butadiene Styrene Plastic Acrylonitrile Butadiene Styrene Abs ... New Z-ABS Natual Color White and Grey 3D Printing Filament (Acrylonitrile Butadiene Styrene Terpolymer) 1.75mm ... New Z-ABS Natual Color White and Grey 3D Printing Filament (Acrylonitrile Butadiene Styrene Terpolymer) 1.75mm ...
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Global Styrene Acrylonitrile Copolymer Market Research Report 2017  Global Styrene Acrylonitrile Copolymer Market Research Report 2017
Styrene Acrylonitrile Copolymer Report by Material, Application, and Geography - - Market research report and industry analysis ... Global Styrene Acrylonitrile Copolymer Market Research Report 2017 Global Styrene Acrylonitrile Copolymer Market Research ... Part I Styrene Acrylonitrile Copolymer Industry Overview. Chapter One Styrene Acrylonitrile Copolymer Industry Overview. 1.1 ... Part V Styrene Acrylonitrile Copolymer Marketing Channels and Investment Feasibility. Chapter Fifteen Styrene Acrylonitrile ...
more infohttps://www.marketresearch.com/9Dimen-Research-v4004/Global-Styrene-Acrylonitrile-Copolymer-Research-11135585/
Advancements in Acrylonitrile, Genome Editing, Wearables, Hydrogen Fuel Production, and Building Control Systems  Advancements in Acrylonitrile, Genome Editing, Wearables, Hydrogen Fuel Production, and Building Control Systems
Keywords: Acrylonitrile, genome editing, Parkinson's disease, hydrogen fuel, building control systems ... This edition of the Inside R&D TOE profiles innovations in acrylonitrile production from biomass, genome editing, and wearables ... Advancements in Acrylonitrile, Genome Editing, Wearables, Hydrogen Fuel Production, and Building Control Systems Share this: ... Innovations in Acrylonitrile, Genome Editing, Wearables, Hydrogen Fuel Production, and Building Control Systems * Making ...
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Acrylonitrile in Mumbai,Acrylonitrile Manufacturers and Suppliers from india  Acrylonitrile in Mumbai,Acrylonitrile Manufacturers and Suppliers from india
Get contact details of Acrylonitrile Manufacturers, Wholesale Acrylonitrile Exporters, Best Acrylonitrile Traders & ... Deals in Styrene Acrylonitrile Resin, Styrene Butadiene Styrene, Titanium Dioxide (Grade - R - 104), acrylonitrile, General ... Deals in Acrylonitrile, Aniline Oil, Butyl Acetate, Benzene, Acetic Acid, Acetone, Butyl Alcohol ... Deals in styrene acrylonitrile, Polystyrene, High Density Polyethylene, Recycled Plastic Granules, Polypropylene, Polycarbonate ...
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Global ABS (Acrylonitrile Butadiene Styrene) Market Research Report 2016 : ReportsnReports  Global ABS (Acrylonitrile Butadiene Styrene) Market Research Report 2016 : ReportsnReports
Notes: Production, means the output of ABS (Acrylonitrile Butadiene Styrene)... ... 106 Pages Report] Check for Discount on Global ABS (Acrylonitrile Butadiene Styrene) Market Research Report 2016 report by ... Global ABS (Acrylonitrile Butadiene Styrene) Market Research Report 2016 Table of Contents Global ABS (Acrylonitrile Butadiene ... 1.2 ABS (Acrylonitrile Butadiene Styrene) Segment by Type 1.2.1 Global Production Market Share of ABS (Acrylonitrile Butadiene ...
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US6133349A - Acrylonitrile/styrene/acrylic/filler compositions and methods for making same 
        - Google Patents  US6133349A - Acrylonitrile/styrene/acrylic/filler compositions and methods for making same - Google Patents
The compositions preferably are substantially free of cross-linked acrylonitrile/styrene copolymer. ... a physical mixture of an uncross-linked acrylonitrile/styrene copolymer and a cross-linked alkyl acrylate/graft (meth)acrylate ... The uncross-linked acrylonitrile/styrene copolymers useful in the present invention preferably have an acrylonitrile content in ... Acrylate-styrene-acrylonitrile composition and method of making the same US4032507A (en) * 1973-02-08. 1977-06-28. Velsicol ...
more infohttps://patents.google.com/patent/US6133349?oq=6175559
Acrylonitrile Styrene Acrylic (asa) in Egypt - Manufacturers, Exporters and Suppliers - Egypt Yellow Pages Online  Acrylonitrile Styrene Acrylic (asa) in Egypt - Manufacturers, Exporters and Suppliers - Egypt Yellow Pages Online
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Acrylonitrile Butadiene Styrene (abs) in Egypt - Manufacturers, Exporters and Suppliers - Egypt Yellow Pages Online  Acrylonitrile Butadiene Styrene (abs) in Egypt - Manufacturers, Exporters and Suppliers - Egypt Yellow Pages Online
Manufacturer of Acrylonitrile Butadiene Styrene (abs), Suppliers of Acrylonitrile Butadiene Styrene (abs), Dealers of ... No Companies found for acrylonitrile butadiene styrene (abs). See Also *ACRYLONITRILE - STYRENE - ACRYLIC (ASA) ...
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Acrylonitrile Butadiene Styrene Abs Sheets in Ethiopia - Manufacturers, Exporters and Suppliers - Ethiopia Yellow Pages Online  Acrylonitrile Butadiene Styrene Abs Sheets in Ethiopia - Manufacturers, Exporters and Suppliers - Ethiopia Yellow Pages Online
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Methyl Methacrylate Acrylonitrile Butadiene/styrene (mabs) Manufacturers, Stockists, Suppliers, Dealers in Dubai - Dubai Yellow...  Methyl Methacrylate Acrylonitrile Butadiene/styrene (mabs) Manufacturers, Stockists, Suppliers, Dealers in Dubai - Dubai Yellow...
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Global Acrylonitrile Butadiene Styrene (ABS) Market Size- 2016 Analysis, Cost, Consumption, segment, Sales Revenue 2021 -...  Global Acrylonitrile Butadiene Styrene (ABS) Market Size- 2016 Analysis, Cost, Consumption, segment, Sales Revenue 2021 -...
This research report has segmented the Acrylonitrile Butadiene Styrene (ABS) market based on the segments covering all the ... The market research report by QY Research provides detailed study on the overall Acrylonitrile Butadiene Styrene (ABS) market ... Tagged abs, acrylonitrile, butadiene, global, styreneBy marketstudysiteLeave a comment Leave a Reply Cancel reply. Enter your ... Global Acrylonitrile Butadiene Styrene (ABS) Market Size- 2016 Analysis, Cost, Consumption, segment, Sales Revenue 2021. The ...
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Global Acrylonitrile Butadiene Styrene (ABS) Market 2016 Industry Trends, Sales, Supply, Demand, Analysis & Forecast to 2021 -...  Global Acrylonitrile Butadiene Styrene (ABS) Market 2016 Industry Trends, Sales, Supply, Demand, Analysis & Forecast to 2021 -...
This research report has segmented the Acrylonitrile Butadiene Styrene (ABS) market based on the segments covering all the ... The market research report by QY Research provides detailed study on the overall Acrylonitrile Butadiene Styrene (ABS) market ... Tagged abs, acrylonitrile, butadiene, global, styreneBy marketstudysiteLeave a comment Leave a Reply Cancel reply. Enter your ... Global Acrylonitrile Butadiene Styrene (ABS) Market 2016 Industry Trends, Sales, Supply, Demand, Analysis & Forecast to 2021. ...
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Acrylonitrile Butadiene Styrene (abs) in Kolkata, Acrylonitrile Butadiene Styrene (abs) Products, Acrylonitrile Butadiene...  Acrylonitrile Butadiene Styrene (abs) in Kolkata, Acrylonitrile Butadiene Styrene (abs) Products, Acrylonitrile Butadiene...
Acrylonitrile Butadiene Styrene (abs) Products, Acrylonitrile Butadiene Styrene (abs) Suppliers in Kolkata, Acrylonitrile ... Kolkata Yellow Pages Online > Plastics and Rubber > Acrylonitrile Butadiene Styrene (abs) Acrylonitrile Butadiene Styrene (abs ... Looking for Acrylonitrile Butadiene Styrene (abs) in Kolkata ? Where to Get Acrylonitrile Butadiene Styrene (abs) in Kolkata?. ... Showing 1 - 2 of 2 Results found for the search Acrylonitrile Butadiene Styrene (abs) in 0.01 sec.. ...
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Lapcabby Unicabby 20h - 20 Shelf - Acrylonitrile Butadiene Styrene [abs] - 24.6 Width X 20.1 Depth X 46.5 Height - Blue - For...  Lapcabby Unicabby 20h - 20 Shelf - Acrylonitrile Butadiene Styrene [abs] - 24.6 Width X 20.1 Depth X 46.5 Height - Blue - For...
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Acrylonitrile - Wikipedia  Acrylonitrile - Wikipedia
"Acrylonitrile_msds".. *^ a b "Acrylonitrile". Immediately Dangerous to Life and Health Concentrations (IDLH). National ... "Acrylonitrile: Carcinogenic Potency Database". berkeley.edu. *^ a b Acrylonitrile Fact Sheet: Support Document (CAS No. 107-13- ... acrylonitrile butadiene styrene (ABS), acrylonitrile styrene acrylate (ASA), and other synthetic rubbers such as acrylonitrile ... Acrylonitrile and derivatives, such as 2-chloroacrylonitrile, are dienophiles in Diels-Alder reactions. Acrylonitrile is also a ...
more infohttps://en.wikipedia.org/wiki/Acrylonitrile
Polybutadiene acrylonitrile - Wikipedia  Polybutadiene acrylonitrile - Wikipedia
Polybutadiene acrylonitrile (PBAN) copolymer, also noted as polybutadiene-acrylic acid-acrylonitrile terpolymer is a copolymer ...
more infohttps://en.wikipedia.org/wiki/Polybutadiene_acrylonitrile
ATSDR - Toxicological Profile: Acrylonitrile  ATSDR - Toxicological Profile: Acrylonitrile
Toxicological profile for acrylonitrile. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service. ...
more infohttps://www.atsdr.cdc.gov/ToxProfiles/tp.asp?id=447&tid=78
Acrylonitrile Market Research Reports  Acrylonitrile Market Research Reports
Interested in Acrylonitrile Market Reports? Find and compare what Top Markets Research publishers have to offer. Contact our ... Acrylonitrile market in ROW. About Acrylonitrile Acrylonitrile is a colorless and clear liquid with a slightly pungent odor. It ... Imported Acrylonitrile in 2016 ## ##. ## The World Market: Acrylonitrile Export Supplies in 2016 ## ## AFRICA:. * Acrylonitrile ... Acrylonitrile (AN) Markets in China. China's demand for Acrylonitrile (AN) has grown at a fast pace in the past decade. In the ...
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The 2016 World Forecasts of Acrylonitrile-Butadien  The 2016 World Forecasts of Acrylonitrile-Butadien
1.2 The World Market: Acrylonitrile-Butadiene Rubber (NBR) Export Supplies in 2016 9. 1.3 The World Market: Acrylonitrile- ... The 2016 World Forecasts of Acrylonitrile-Butadiene Rubber (NBR) Export Supplies. Published On: Jun, 2015 , No of Pages: 65 , ... In what follows, this report begins by summarizing the world market for acrylonitrile-butadiene rubber (nbr) exports. The total ... 3 ASIA: EXPORT SUPPLIES OF ACRYLONITRILE-BUTADIENE RUBBER (NBR) 18. 3.1 Executive Summary 18. 3.2 Burma 21. 3.3 China 22. 3.4 ...
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  • For those looking to keep abreast of the global Acrylonitrile market, our independent, unbiased pricing information, news and market analysis is an invaluable resource. (icis.com)
  • Whether you buy or sell Acrylonitrile or related products, you need to know about the prices and the factors driving the prices in the global Acrylonitrile market as they happen. (icis.com)
  • The market research report by QY Research provides detailed study on the overall Acrylonitrile Butadiene Styrene (ABS) market size, its financial positions, its unique selling points, key products, and key developments. (wordpress.com)
  • This research report has segmented the Acrylonitrile Butadiene Styrene (ABS) market based on the segments covering all the domains in terms of type, country, region, forecasting revenues, and market share, along with analysis of latest trends in every sub-segment. (wordpress.com)
  • Several of the pathways of metabolism of the suspected carcinogen acrylonitrile (AN) were identified previously in this laboratory with the use of subcellular fractions and purified enzymes (Guengerich, F. P., Geiger, L. E., Hogy, L. L., and Wright, P. L., Cancer Res. (aacrjournals.org)
  • The National Cancer Institute (USA) nominated MeAN for research because of its potential for human exposure, the common features shared with the known carcinogen acrylonitrile and the shortcoming of knowledge in toxicity and carcinogenicity of MeAN. (wikipedia.org)
  • For clear insight into regional Acrylonitrile markets, you need in-depth price reports direct from those regions. (icis.com)
  • The flammability of acrylonitrile-butadiene-sytrene resin is significantly decreased by adding thereto a combination of a brominated aromatic ether and iron or chromium naphthenate.The brominated aromatic ethers which may be used are illustrated by the generalized structure: ##STR1## in which x is 2 to 5 and y is 0 to 5, provided x plus y equals at least 2. (patentgenius.com)
  • Larger acrylonitrile content improves mechanical properties and chemical resistance, but also adds a yellow tint to the normally transparent plastic. (wikipedia.org)
  • Acrylonitrile Industry Outlook in France to 2020 - Market Size, Price Trends and Trade Balance Summary GlobalData's new report, 'Acrylonitrile Industry Outlook in France to 2020 - Market Size, Price Trends and Trade Balance', provides in-depth coverage of France's Acrylonitrile industry and presents major market trends. (reportbuyer.com)
  • It is classified as a Class 2B carcinogen (possibly carcinogenic) by the International Agency for Research on Cancer (IARC), and workers exposed to high levels of airborne acrylonitrile are diagnosed more frequently with lung cancer than the rest of the population. (wikipedia.org)
  • Acrylonitrile has been shown to increase rates of cancer appearance in high dosage tests in male and female rats and mice. (wikipedia.org)
  • No reviews were found for Nychem - Model 1561X87 - High Acrylonitrile Emulsions . (environmental-expert.com)