Chloroprene: Toxic, possibly carcinogenic, monomer of neoprene, a synthetic rubber; causes damage to skin, lungs, CNS, kidneys, liver, blood cells and fetuses. Synonym: 2-chlorobutadiene.Pentanes: Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives.Butadienes: Four carbon unsaturated hydrocarbons containing two double bonds.Hemiterpenes: The five-carbon building blocks of TERPENES that derive from MEVALONIC ACID or deoxyxylulose phosphate.Rubber: 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.Neoprene: An oil-resistant synthetic rubber made by the polymerization of chloroprene.Gloves, Surgical: Gloves, usually rubber, worn by surgeons, examining physicians, dentists, and other health personnel for the mutual protection of personnel and patient.Powders: Substances made up of an aggregation of small particles, as that obtained by grinding or trituration of a solid drug. In pharmacy it is a form in which substances are administered. (From Dorland, 28th ed)Starch: Any of a group of polysaccharides of the general formula (C6-H10-O5)n, composed of a long-chain polymer of glucose in the form of amylose and amylopectin. It is the chief storage form of energy reserve (carbohydrates) in plants.RNA, Small Nucleolar: Small nuclear RNAs that are involved in the processing of pre-ribosomal RNA in the nucleolus. Box C/D containing snoRNAs (U14, U15, U16, U20, U21 and U24-U63) direct site-specific methylation of various ribose moieties. Box H/ACA containing snoRNAs (E2, E3, U19, U23, and U64-U72) direct the conversion of specific uridines to pseudouridine. Site-specific cleavages resulting in the mature ribosomal RNAs are directed by snoRNAs U3, U8, U14, U22 and the snoRNA components of RNase MRP and RNase P.Research Report: Detailed account or statement or formal record of data resulting from empirical inquiry.Crystallization: The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Latex: A milky, product excreted from the latex canals of a variety of plant species that contain cauotchouc. Latex is composed of 25-35% caoutchouc, 60-75% water, 2% protein, 2% resin, 1.5% sugar & 1% ash. RUBBER is made by the removal of water from latex.(From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed). Hevein proteins are responsible for LATEX HYPERSENSITIVITY. Latexes are used as inert vehicles to carry antibodies or antigens in LATEX FIXATION TESTS.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.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.Chemical Industry: The aggregate enterprise of manufacturing and technically producing chemicals. (From Random House Unabridged Dictionary, 2d ed)Adhesives: Substances that cause the adherence of two surfaces. They include glues (properly collagen-derived adhesives), mucilages, sticky pastes, gums, resins, or latex.Resins, Synthetic: Polymers of high molecular weight which at some stage are capable of being molded and then harden to form useful components.Bone Cements: Adhesives used to fix prosthetic devices to bones and to cement bone to bone in difficult fractures. Synthetic resins are commonly used as cements. A mixture of monocalcium phosphate, monohydrate, alpha-tricalcium phosphate, and calcium carbonate with a sodium phosphate solution is also a useful bone paste.China: A country spanning from central Asia to the Pacific Ocean.Fraud: Exploitation through misrepresentation of the facts or concealment of the purposes of the exploiter.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.Dental Cements: Substances used to bond COMPOSITE RESINS to DENTAL ENAMEL and DENTIN. These bonding or luting agents are used in restorative dentistry, ROOT CANAL THERAPY; PROSTHODONTICS; and ORTHODONTICS.Complex Mixtures: Mixtures of many components in inexact proportions, usually natural, such as PLANT EXTRACTS; VENOMS; and MANURE. These are distinguished from DRUG COMBINATIONS which have only a few components in definite proportions.Reference Standards: A basis of value established for the measure of quantity, weight, extent or quality, e.g. weight standards, standard solutions, methods, techniques, and procedures used in diagnosis and therapy.Liquid Phase Microextraction: Miniaturized methods of liquid-liquid extraction.Explosive Agents: Substances that are energetically unstable and can produce a sudden expansion of the material, called an explosion, which is accompanied by heat, pressure and noise. Other things which have been described as explosive that are not included here are explosive action of laser heating, human performance, sudden epidemiological outbreaks, or fast cell growth.Triazines: Heterocyclic rings containing three nitrogen atoms, commonly in 1,2,4 or 1,3,5 or 2,4,6 formats. Some are used as HERBICIDES.Manufactured Materials: Substances and materials manufactured for use in various technologies and industries and for domestic use.United States Food and Drug Administration: An agency of the PUBLIC HEALTH SERVICE concerned with the overall planning, promoting, and administering of programs pertaining to maintaining standards of quality of foods, drugs, therapeutic devices, etc.Facility Regulation and Control: Formal voluntary or governmental procedures and standards required of hospitals and health or other facilities to improve operating efficiency, and for the protection of the consumer.Investigational New Drug Application: An application that must be submitted to a regulatory agency (the FDA in the United States) before a drug can be studied in humans. This application includes results of previous experiments; how, where, and by whom the new studies will be conducted; the chemical structure of the compound; how it is thought to work in the body; any toxic effects found in animal studies; and how the compound is manufactured. (From the "New Medicines in Development" Series produced by the Pharmaceutical Manufacturers Association and published irregularly.)Quality Control: A system for verifying and maintaining a desired level of quality in a product or process by careful planning, use of proper equipment, continued inspection, and corrective action as required. (Random House Unabridged Dictionary, 2d ed)Appendix: A worm-like blind tube extension from the CECUM.Pathology, Veterinary: The field of veterinary medicine concerned with the causes of and changes produced in the body by disease.Air Pollutants: Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or material. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS.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.Chemical Processes: The reactions and interactions of atoms and molecules, the changes in their structure and composition, and associated energy changes.Tooth Discoloration: Any change in the hue, color, or translucency of a tooth due to any cause. Restorative filling materials, drugs (both topical and systemic), pulpal necrosis, or hemorrhage may be responsible. (Jablonski, Dictionary of Dentistry, 1992, p253)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.Golf: A game whose object is to sink a ball into each of 9 or 18 successive holes on a golf course using as few strokes as possible.Subarachnoid Hemorrhage, Traumatic: Bleeding into the SUBARACHNOID SPACE due to CRANIOCEREBRAL TRAUMA. Minor hemorrhages may be asymptomatic; moderate to severe hemorrhages may be associated with INTRACRANIAL HYPERTENSION and VASOSPASM, INTRACRANIAL.Nylons: Polymers where the main polymer chain comprises recurring amide groups. These compounds are generally formed from combinations of diamines, diacids, and amino acids and yield fibers, sheeting, or extruded forms used in textiles, gels, filters, sutures, contact lenses, and other biomaterials.Polymers: Compounds formed by the joining of smaller, usually repeating, units linked by covalent bonds. These compounds often form large macromolecules (e.g., BIOPOLYMERS; PLASTICS).Superior Colliculi: The anterior pair of the quadrigeminal bodies which coordinate the general behavioral orienting responses to visual stimuli, such as whole-body turning, and reaching.Acrylonitrile: A highly poisonous compound used widely in the manufacture of plastics, adhesives and synthetic rubber.AcrylatesPatents as Topic: Exclusive legal rights or privileges applied to inventions, plants, etc.Permeability: Property of membranes and other structures to permit passage of light, heat, gases, liquids, metabolites, and mineral ions.

High frequency of codon 61 K-ras A-->T transversions in lung and Harderian gland neoplasms of B6C3F1 mice exposed to chloroprene (2-chloro-1,3-butadiene) for 2 years, and comparisons with the structurally related chemicals isoprene and 1,3-butadiene. (1/9)

Chloroprene is the 2-chloro analog of 1,3-butadiene, a potent carcinogen in laboratory animals. Following 2 years of inhalation exposure to 12.8, 32 or 80 p.p.m. chloroprene, increased incidences of lung and Harderian gland (HG) neoplasms were observed in B6C3F1 mice at all exposure concentrations. The present study was designed to characterize genetic alterations in the K- and H-ras proto-oncogenes in chloroprene-induced lung and HG neoplasms. K-ras mutations were detected in 80% of chloroprene-induced lung neoplasms (37/46) compared with only 30% in spontaneous lung neoplasms (25/82). Both K- and H-ras codon 61 A-->T transversions were identified in 100% of HG neoplasms (27/27) compared with a frequency of 56% (15/27) in spontaneous HG neoplasms. The predominant mutation in chloroprene-induced lung and HG neoplasms was an A-->T transversion at K-ras codon 61. This mutation has not been detected in spontaneous lung tumors of B6C3F1 mice and was identified in only 7% of spontaneous HG neoplasms. In lung neoplasms, greater percentages (80 and 71%) of A-->T transversions were observed at the lower exposures (12.8 and 32 p.p.m.), respectively, compared with 18% at the high exposure. In HG neoplasms, the percentage of A-->T transversions was the same at all exposure concentrations. The chloroprene-induced ras mutation spectra was similar to that seen with isoprene, where the predominant base change was an A-->T transversion at K-ras codon 61. This differed from 1,3-butadiene, where K-ras codon 13 G-->C transitions and H-ras codon 61 A-->G transitions were the predominant mutations. The major finding of K-ras A-->T transversions in lung and Harderian gland neoplasms suggests that this mutation may be important for tumor induction by this class of carcinogens.  (+info)

Multiple organ carcinogenicity of inhaled chloroprene (2-chloro-1,3-butadiene) in F344/N rats and B6C3F1 mice and comparison of dose-response with 1,3-butadiene in mice. (2/9)

Chloroprene (2-chloro-1,3-butadiene) is a high production chemical used almost exclusively in the production of polychloroprene (neoprene) elastomer. Because of its structural similarity to 1,3-butadiene, a trans-species carcinogen, inhalation studies were performed with chloroprene to evaluate its carcinogenic potential in rats and mice. Groups of 50 male and female F344/N rats and 50 male and female B6C3F1 mice were exposed to 0, 12.8, 32 or 80 p.p.m. chloroprene (6 h/day, 5 days/week) for 2 years. Under these conditions, chloroprene was carcinogenic to the oral cavity, thyroid gland, lung, kidney and mammary gland of rats, and to the lung, circulatory system (hemangiomas and hemangiosarcomas), Harderian gland, kidney, forestomach, liver, mammary gland, skin, mesentery and Zymbal's gland of mice. Survival adjusted tumor rates in mice were fit to a Weibull model for estimation of the shape of the dose-response curves, estimation of ED10 values (the estimated exposure concentration associated with an increased cancer risk of 10%) and comparison of these parameters with those for 1,3-butadiene. Butadiene has been identified as a potent carcinogen in mice and has been associated with increased risk of lymphatic and hematopoietic cancer in exposed workers. Shape parameter values for most of the neoplastic effects of chloroprene and 1,3-butadiene were consistent with linear or supralinear responses in the area near the lowest tested exposures. The most potent carcinogenic effect of 1,3-butadiene was the induction of lung neoplasms in female mice, which had an ED10 value of 0.3 p.p.m. Since the ED10 value for that same response in chloroprene exposed mice was also 0.3 p.p.m., we conclude that the carcinogenic potency of chloroprene in mice is similar to that of 1,3-butadiene. Cancer potency of chloroprene is greater in the mouse lung than in the rat lung, but greater in the rat kidney than in the mouse kidney and nearly equivalent in the mammary gland of each species.  (+info)

Kinetic modeling of beta-chloroprene metabolism: II. The application of physiologically based modeling for cancer dose response analysis. (3/9)

beta-Chloroprene (2-chloro-1,3-butadiene; CD), which is used in the synthesis of polychloroprene, caused significant incidences of several tumor types in B6C3F1 mice and Fischer rats, but not in Wistar rats or Syrian hamsters. This project investigates the relevance of the bioassay lung tumor findings to human health risk by developing a physiologically based toxicokinetic (PBTK) model and exploring a tissue specific exposure-dose-response relationship. Key steps included identification of the plausible genotoxic mode of action, experimental quantification of tissue-to-air partition coefficients, scaling of in vitro parameters of CD metabolism for input into the PBTK model, comparing the model with in vivo experimental gas uptake data, selecting an appropriate tissue dosimetric, and predicting a corresponding human exposure concentration. The total daily milligram amount of CD metabolized per gram of lung was compared with the animal bioassay response data, specifically combined bronchiolar adenoma/carcinoma. The faster rate of metabolism in mouse lung agreed with the markedly greater incidence of lung tumors compared with the other rodent species. A lung tissue dose was predicted for the combined rodent lung tumor bioassay data at a 10% benchmark response. A human version of the PBTK model predicted that the lung tissue dose in humans would be equivalent to continuous lifetime daily exposure of 23 ppm CD. PBTK model sensitivity analysis indicated greater dependence of model predictions of dosimetry on physiological than biochemical parameters. The combined analysis of lung tumor response across species using the PBTK-derived internal dose provides an improved alternative to default pharmacokinetic interspecies adjustments for application to human health risk assessment.  (+info)

Kinetic modeling of beta-chloroprene metabolism: I. In vitro rates in liver and lung tissue fractions from mice, rats, hamsters, and humans. (4/9)

Beta-chloroprene (2-chloro-1,3-butadiene, CD) is carcinogenic by inhalation exposure to B6C3F1 mice and Fischer F344 rats but not to Wistar rats or Syrian hamsters. The initial step in metabolism is oxidation, forming a stable epoxide (1-chloroethenyl)oxirane (1-CEO), a genotoxicant that might be involved in rodent tumorigenicity. This study investigated the species-dependent in vitro kinetics of CD oxidation and subsequent 1-CEO metabolism by microsomal epoxide hydrolase and cytosolic glutathione S-transferases in liver and lung, tissues that are prone to tumor induction. Estimates for Vmax and Km for cytochrome P450-dependent oxidation of CD in liver microsomes ranged from 0.068 to 0.29 micromol/h/mg protein and 0.53 to 1.33 microM, respectively. Oxidation (Vmax/Km) of CD in liver was slightly faster in the mouse and hamster than in rats or humans. In lung microsomes, Vmax/Km was much greater for mice compared with the other species. The Vmax and Km estimates for microsomal epoxide hydrolase activity toward 1-CEO ranged from 0.11 to 3.66 micromol/h/mg protein and 20.9 to 187.6 microM, respectively, across tissues and species. Hydrolysis (Vmax/Km) of 1-CEO in liver and lung microsomes was faster for the human and hamster than for rat or mouse. The Vmax/Km in liver was 3 to 11 times greater than in lung. 1-CEO formation from CD was measured in liver microsomes and was estimated to be 2-5% of the total CD oxidation. Glutathione S-transferase-mediated metabolism of 1-CEO in cytosolic tissue fractions was described as a pseudo-second order reaction; rates were 0.0016-0.0068/h/mg cytosolic protein in liver and 0.00056-0.0022 h/mg in lung. The observed differences in metabolism are relevant to understanding species differences in sensitivity to CD-induced liver and lung tumorigenicity.  (+info)

Influence of shooting angle of polishing particle on surface roughness of a cobalt-chromium alloy using a centrifugal shooting type polishing machine. (5/9)

The centrifugal shooting type polishing machine is a recently developed apparatus that seeks to improve the efficiency and environment of polishing removable prostheses. In an attempt to optimize the effectiveness of this apparatus, this study examined the influence of the shooting angle of polishing particle on the surface roughness of cobalt-chromium alloy casting specimens. Polishing was performed for three minutes under five shooting angle conditions: 90 degrees, 60 degrees, 45 degrees, 30 degrees, and 15 degrees. Surface roughness (Ra, Sm) was measured after each polishing stage. There were significant differences (p < 0.01) in Ra between shooting angle of 90 degrees (0.95 microm) and shooting angles of 45 degrees (0.62 microm) or less, and in Sm between 90 degrees (207 microm), 60 degrees (350 microm), and shooting angles of 45 degrees (868 microm) or less. These findings indicated that excellent surface texture was produced when shooting angle was 45 degrees or less.  (+info)

Evaluation of an artificial intelligence program for estimating occupational exposures. (6/9)

Estimation and Assessment of Substance Exposure (EASE) is an artificial intelligence program developed by UK's Health and Safety Executive to assess exposure. EASE computes estimated airborne concentrations based on a substance's vapor pressure and the types of controls in the work area. Though EASE is intended only to make broad predictions of exposure from occupational environments, some occupational hygienists might attempt to use EASE for individual exposure characterizations. This study investigated whether EASE would accurately predict actual sampling results from a chemical manufacturing process. Personal breathing zone time-weighted average (TWA) monitoring data for two volatile organic chemicals--a common solvent (toluene) and a specialty monomer (chloroprene)--present in this manufacturing process were compared to EASE-generated estimates. EASE-estimated concentrations for specific tasks were weighted by task durations reported in the monitoring record to yield TWA estimates from EASE that could be directly compared to the measured TWA data. Two hundred and six chloroprene and toluene full-shift personal samples were selected from eight areas of this manufacturing process. The Spearman correlation between EASE TWA estimates and measured TWA values was 0.55 for chloroprene and 0.44 for toluene, indicating moderate predictive values for both compounds. For toluene, the interquartile range of EASE estimates at least partially overlapped the interquartile range of the measured data distributions in all process areas. The interquartile range of EASE estimates for chloroprene fell above the interquartile range of the measured data distributions in one process area, partially overlapped the third quartile of the measured data in five process areas and fell within the interquartile range in two process areas. EASE is not a substitute for actual exposure monitoring. However, EASE can be used in conditions that cannot otherwise be sampled and in preliminary exposure assessment if it is recognized that the actual interquartile range could be much wider and/or offset by a factor of 10 or more.  (+info)

DNA interstrand cross-linking activity of (1-Chloroethenyl)oxirane, a metabolite of beta-chloroprene. (7/9)

 (+info)

Cross-species transcriptomic analysis of mouse and rat lung exposed to chloroprene. (8/9)

 (+info)

*Chloroprene

... as well as chloroprene. Transportation of uninhibited chloroprene has been banned in the United States by the US Department of ... Chloroprene is the common name for the organic compound 2-chlorobuta-1,3-diene, which has the formula CH2=CCl−CH=CH2. This ... Stabilized chloroprene is in hazard class 3 (flammable liquid). Its UN number is 1991 and is in packing group 1. "NIOSH Pocket ... Chloroprene is produced in three steps from 1,3-butadiene: (i) chlorination, (ii) isomerization of part of the product stream, ...

*HellermannTyton

Chloroprene Rubber. The company produces for diverse markets and industries including Original equipment manufacturers for ...

*Neoprene

"Chloroprene Polymers". Encyclopedia Of Polymer Science and Technology. doi:10.1002/0471440264.pst053. John K. Smith. The Ten- ... Neoprene is produced by free-radical polymerization of chloroprene. In commercial production, this polymer is prepared by free ... Neoprene or polychloroprene is a family of synthetic rubbers that are produced by polymerization of chloroprene. Neoprene ... "A Safer Alternative Replacement for Thiourea Based Accelerators in the Production Process of Chloroprene Rubber". cordis.europa ...

*Ira Williams

A New Synthetic Rubber: Chloroprene and its Polymers". J. Am. Chem. Soc. 53 (11): 4203-4225. doi:10.1021/ja01362a042. CS1 maint ... plastic form of chloroprene that could be processed by the rubber industry. He won the 1946 Charles Goodyear Medal. Patterson, ...

*Vinylacetylene

At one time, chloroprene (2-chloro-1,3-butadiene), an industrially important monomer, was produced via the intermediacy of ... A New Synthetic Rubber: Chloroprene and its Polymers". J. Am. Chem. Soc. 53 (11): 4203-4225. doi:10.1021/ja01362a042. CS1 maint ...

*Wallace Carothers

A New Synthetic Rubber: Chloroprene and its Polymers". J. Am. Chem. Soc. 53 (11): 4203-4225. doi:10.1021/ja01362a042. CS1 maint ... Arnold M. Collins, isolated chloroprene, a liquid which polymerized to produce a solid material that resembled rubber. This ...

*Arnold M. Collins

Further analysis showed that the mass was a polymer of chloroprene, formed with chlorine from the cuprous chloride catalyst. ... A New Synthetic Rubber: Chloroprene and its Polymers". J. Am. Chem. Soc. 53 (11): 4203-4225. doi:10.1021/ja01362a042. CS1 maint ...

*Diene

Chloroprene is related but it is a synthetic monomer. An important reaction for conjugated dienes is the Diels-Alder reaction. ...

*Dendralene

One synthetic route to [4]dendralene starts from chloroprene. This compound is converted to a Grignard reagent by action of ...

*Gerard Bérchet

Chloroprene, now known as neoprene, was the first synthetic rubber. DuPont marketed the product under the name DuPrene in 1931 ... Neoprene or polychloroprene is a synthetic rubber produced by the polymerization of chloroprene. It is used in a wide variety ... Before Bérchet examined his samples Arthur Collins accidentally discovered chloroprene on April 17, 1930 by combining monovinyl ...

*Totex

CR is a chloroprene balloon and was developed in 1966. TX is a latex balloon and was developed in 1988. The TA balloon is the ...

*1,4-Dichlorobut-2-ene

It is an intermediate in the industrial production of chloroprene, and the main impurity in technical grade chloroprene. The (E ... Chloroprene is a monomer for the production of synthetic rubbers such as Neoprene. It is produced from butadiene in a three- ... 1993), "Chlorocarbons, -hydrocarbons (chloroprene)", in Kroschwitz, J. I.; Howe-Grant, M., Kirk-Othmer Encyclopedia of Chemical ... 4-dichlorobut-1-ene with dilute sodium hydroxide solution in the presence of polymerization inhibitors gives crude chloroprene ...

*Thiazolidine

N-Methyl-2-thiazolidinethione is an accelerator for the vulcanization of chloroprene rubbers. Thiazolidines functionalized with ...

*1,3-Butadiene

Other synthetic rubber materials such as chloroprene, and the solvent sulfolane are also manufactured from butadiene. Butadiene ...

*Armenia-China relations

... marking the commencement of the company's chloroprene rubber production in Datong. Shanxi-Nairit joint venture was created ...

*Weather balloon

The balloon itself produces the lift, and is usually made of a highly flexible latex material, though Chloroprene may also be ...

*N-Methyl-2-thiazolidinethione

... which are used as accelerators for the vulcanization of chloroprene rubbers. The compound is prepared by reaction of N- ...

*Charles Stine

Outcomes of the long range research included a synthetic, chloroprene rubber, but the most notable invention came in 1938 with ...

*Elmer Keiser Bolton

... chloroprene) with a copper catalyzed addition of hydrogen chloride. This material was both chemical and light resistant, with ...

*Project Loon

... chloroprene). Initially, the balloons communicated using unlicensed 2.4 and 5.8 GHz ISM bands, and Google claims that the setup ...

*Synthetic rubber

Other synthetic rubbers are prepared from isoprene (2-methyl-1,3-butadiene), chloroprene (2-chloro-1,3-butadiene), and ...

*Petrochemical

... chloroprene; elastomeric polymers are often made with a high percentage of conjugated diene monomers such as 1,3-butadiene, ... isoprene, or chloroprene higher olefins polyolefins such poly-alpha-olefins, which are used as lubricants alpha-olefins - used ...

*Hydrogen chloride

The "acetylene process", used until the 1960s for making chloroprene, starts out by joining two acetylene molecules, and then ... as well as chloroprene. Hydrogen chloride forms corrosive hydrochloric acid on contact with water found in body tissue. ... adds HCl to the joined intermediate across the triple bond to convert it to chloroprene as shown here: This "acetylene process ... hydrogen chloride in the 20th century include hydrochlorinations of alkynes in producing the chlorinated monomers chloroprene ...

*List of MeSH codes (D02)

... chloroprene MeSH D02.455.326.271.665.155 --- aurodox MeSH D02.455.326.271.665.250 --- diphenylhexatriene MeSH D02.455.326.271. ...

*Red List building materials

Chlorofluorocarbons (CFCs) Chlorobenzenes Chloroprene (neoprene) Chromium VI Chlorinated polyvinyl chloride Formaldehyde (added ...
Poly(chloroprene) is a synthetic crystallizable polymer used in several applications, including rubber gloves. The film formation of poly(chloroprene) latex offers opportunities to define structures at length scales between the molecular and macroscopic, thereby adjusting the elastomers mechanical properties. However, the connections between processing and the resultant film properties are not fully understood. Here, we investigate the competition between the coalescence of latex particles to build cohesive strength and their crystallization to raise the elastic modulus. We demonstrate that when coalescence precedes crystallization, the elastomer has greater extensibility and a higher tensile strength compared to when crystallization occurs during coalescence. The mechanical properties of poly(chloroprene) were tuned by blending two colloids with differing gel contents and crystallizabilities. Heating above poly(chloroprene)s melting temperature allows increased particle interdiffusion and ...
We conducted an historical cohort study to investigate the mortality experience of industrial workers potentially exposed to chloroprene (CD) and other substances, including vinyl chloride (VC), with emphasis on cancer mortality, including respiratory system (RSC) and liver. In 1999, the International Agency for Research on Cancer (IARC) classified CD as a possible carcinogen (Group 2B); VC was cl
The competitive framework study Global Chloroprene Rubber (CR) Market is an in-depth study that covers all the aspects of the industry. The research report delivers key insights verified by key industry participants. These include market-leading participants, key clients and consumers, and product types and applications.. The report orders the market in the globe into different portions on the premise of a few industry verticals. It additionally arranges the market in light of the land circulation of the market. Each market portion is then dissected considering its commitment as far as volume delivered (in kilo tons) and the income it produces (in US$).Its aides sourcing experts figure better classification techniques, upgrade investments, comprehend provider and market difficulties, and execute sourcing best practices.. ...
A method is presented for the determination of chloroprene (126998) in air based on adsorption on charcoal, desorption with carbon- disulfide (75150), and gas chromatography. Information is given on the principle of the method, range and sensitivity, interferences, precision and accuracy, apparatus, reagents, standards and calibration, calculations, and the advantages and disadvantages of the meth
Chloroprene (aka Neoprene) - name for organic compound 2-chlorobuta-,3-diene. CR was the first oil resistant synthetic rubber. Toxic - can cause serious illness
Chloroprene Rubber manufacturers - Raj & Co. exporters, suppliers of Styrene Butadiene Rubber india, indian Chloroprene Rubber,Ethylene Propylene Rubber manufacturer, wholesale Styrene Butadiene Rubber suppliers, Chloroprene Rubber, Styrene Butadiene Rubber, Ethylene Propylene Rubber
Residents of St. John the Baptist Parish could have an increased risk of cancer, as the EPA finds the Denka Performance Elastomer plant in LaPlace is releasing carcinogens into the air. Wilma Subra with the Louisiana Environmental Action Network says the facility is releasing huge quantities of chloroprene into the air, which can pose a serious health risk to the community.. "It causes liver cancer, lung cancer, kidney cancer, colon cancer, and leukemia, as well as a lot of acute impacts like burning of the eyes, burning of the skin, respiratory problems," Subra said.. Air testing found residents had been subjected to 88 times the concentration of chloroprene the EPA allows. EPA inspectors found 31 valve leaks in the plant, which did not have the proper tools to measure the chemical emissions. Subra says the company argues not all the violations were made under their watch.. "The inspection was performed shortly after Denka bought the facility from DuPont," Subra said, "So some of those ...
Attention: Either you have JavaScript disabled or your browser does not support JavaScript. To work properly, this site requires that you enable JavaScript.. ...
Objective The current research aimed to investigate the effectiveness of Sternbergs successful intelligence program upon working memory and executive functions of sharp-witted primary school students. The statistical population of the current research consisted of all sharp-witted male students of the city of Isfahan in the academic year of 2015-2016.Method For this purpose, totally 30 sharp-witted male students were selected through multi- stage cluster random sampling method and were randomly assigned to two experimental and control groups (15 students in the experimental group and another 15 students in the control group). The Sternbergs successful intelligence program was administered on the experimental group. The tools used for this research included software to measure working memory and questionnaire (inventory) on rating executive functions of the primary school students. To analyze the research data, multivariate covariance analysis (MANCOVA) was employed.Results Findings revealed that
Most academics dont like competition but in the field of artificial intelligence, everyone wants to square off against the best in their discipline.In June, the International Planning Competition held every two years will take place in New Hampshire.
2-Chloroethenyl dimethyl phosphate | C4H8ClO4P | CID 86500 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
10 accredited schools offering Artificial Intelligence program in USA. Find complete list of Artificial Intelligence schools offers graduate and under graduate degree.
✅ HIGH-QUALITY MATERIAL - Our black gloves are made from very durable and tear-resistant 100% synthetic nitrile polymer that provides maximum durability and better elasticity than vinyl, plus they have better puncture and abrasion resistance than latex and chloroprene, which makes them good to be used with sharp object
A Response kit that contains: MSA Millennium Gas Mask, MSA CBRN Canister, DuPont™ Tychem® CPF 3 Coverall (C3127T), Inner Chloroprene Gloves, Durable Outer Nitrile or Butyl Gloves, 12" Chem Overboots. ...
An EVD Response Kit that contains a N95 mask, non-vented goggles, two pairs of nitrile or chloroprene gloves, and a Kappler ProVent® 10,000 Coverall. Ultrasonic/Taped Seams that passes ASTM standards for both blood and viral penetration which is ideal for bio-hazard protection. ...
Titanium Thigh Support helps to support the thigh and leg, and keep them dry with breathable fabric for best comfort and is made with Chloroprene Rubber.
People are usually pretty quick to admit that artificial intelligence programs are better than most humans at solving a lot of math problems. Human scientists have generally been needed to interpret data and make conclusions, but AI software could be catching up with scientists by coming up with their own hypotheses and conclusions. Here are just a few examples of programs that might be writing up their own PhD dissertations someday. ...
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2(5H)-Furanone,3-[(2R)-2-hydroxy-7-[(2S,- 2S,5R,5S)-octahydro-5-[(1S,4Z)-1-hydroxy- 4-heptadecenyl][2,2-bifuran]-5-yl]heptyl]-5- methyl-,(5S)- (4-chlorophenyl) 3-phenyl-2-phenylmethoxycarbonylamino-propanoate 3-octanoyloxybutyl octanoate Arachidonate hydroxamic acid Calcium, N-(4-((4-(diethylamino)phenyl)(5-hydroxy-2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethylethanaminium hydroxide inner salt aluminum complexes 2-(2-methylbut-3-en-2-yl)phenol 1,1,2,2-Ethanetetracarboxylic 1,2:1,2-diimide 1,2,3,4,5-pentachloro-6-[(Z)-2-chloroethenyl]benzene Cobalt(2+) selenate Amberlite XE-64
Linux and Unix scripts and advice. Shell scripts, Perl scripts and tips for users of all skill levels. From Solaris to Redhat. Financial Intelligence Program
Linux and Unix scripts and advice. Shell scripts, Perl scripts and tips for users of all skill levels. From Solaris to Redhat. Financial Intelligence Program
It took an extra day, but the House of Representatives on Friday approved a bill to reauthorize the nations intelligence programs.
1,3-Butadiene is used as an intermediate in the production of elastomers, polymers, and other chemicals. Of the 1,3-butadiene used in 1978, 44% was used to manufacture styrene-butadiene rubber (a substitute for natural rubber, produced by copolymerization of 1,3-butadiene with styrene), and 19% was used to produce polybutane elastomer (a substance that increases resistance of tire products to wear, heat degradation, and blowouts). Chloroprene monomer, derived from 1,3-butadiene, is used exclusively to manufacture neoprene elastomers for non-tire and latex applications. Commercial nitrile rubber, used largely in rubber hoses, seals, and gaskets for automobiles, is a copolymer of 1,3-butadiene and acrylonitrile. Acrylonitrile- butadiene- styrene resins, usually containing 20%-30% 1,3-butadiene by weight, are used to make parts for automobiles and appliances. Other polymer uses include specialty polybutadiene polymers, thermoplastic elastomers, nitrile barrier resins, and K resins®. 1,3-Butadiene ...
Phenolic resin compositions comprising a polymeric substance having a phenolic OH group such as phenol resins, and a rubber having an epoxy group and an epoxy equivalent of 500 to 30,000 such as butadiene copolymers, acrylic copolymers, chloroprene copolymers and urethane copolymers are provided. These resin compositions exhibit improved properties having overcome the drawback of brittle properties intrinsic of conventional phenolic resins, and also exhibit cold resistance; hence they are used as molding materials, laminating materials, casting materials, binders, etc. Further, molding resin compositions having improved solvent-resistance and metal insert properties are provided.
0074] Then, 0.5 part by mass of stearic acid, 1 part by mass of an aging inhibitor (NOCRAC PA, from Ouchi Shinko Chemical Industrial Co., Ltd.), 30 parts by mass of SRF carbon black (#50, Asahi Carbon Co., Ltd.), parts by mass of FEF carbon black (#60, Asahi Carbon Co., Ltd.), 12 parts by mass of a petroleum process oil (Diana Process Oil, Idemitsu Kosan Co., Ltd.), 1.5 parts by mass of a paraffin wax (Paraffin 130° F., from Nippon Seiro Co., Ltd.), 1.5 parts by mass of vaseline, and 4 parts by mass of magnesium oxide were kneaded with 100 parts by mass of each of the chloroprene elastomer compositions in Examples and Comparative Examples obtained, in a 3 liter kneader (32 rpm, cooling water temperature: 30° C.). The agitation direction was reversed and the mixture was kneaded additionally for 1 minute. 5 Parts by mass of zinc oxide and 0.5 part by mass of ethylene thiourea were blended with the compound by using a 8-inch roll, to give a sheet for evaluation having a thickness of 2.3 mm ...
Now that annual disclosure of the intelligence budget total has become routine, some legislators are seeking more transparency on intelligence spending.. As anticipated, the requested U.S. intelligence budget for Fiscal Year 2015 that was submitted to Congress this week fell below the current years level and continued a decline from the post-9/11 high that it reached in FY 2010.. The "base" funding request for the National Intelligence Program (NIP) for FY 2015 was $45.6 billion, while the base funding request for the Military Intelligence Program (MIP) was $13.3 billion. ("Base" funding does not include funding for "overseas contingency operations," which is to be requested later in the year.). By comparison, the base funding request for the NIP in FY 2014 was $48.2 billion, and the base funding request for the MIP was $14.6 billion. Additional data on intelligence budget appropriations can be found here.. An unclassified summary of the FY 2015 National Intelligence Program budget request ...
By choosing Corning® Gentest™ tissue fractions, you will be able to conduct preclinical metabolism studies to predict the toxicity and pharmacokinetic properties of a drug compound, including metabolic stability, drug-drug interactions, reaction phenotyping, and metabolite identification. Our broad selection of liver and intestinal tissue fractions are highly characterized for important metabolizing enzymes such as CYPs, UGTs, and other enzymes. The fractions are offered as pooled or as single donors.. The pooled donors represent an average profile of catalytic activities from many individuals and are most suited for controlling the inter-individual variability in quantitative studies of metabolism. The Corning UltraPool™ HLM 150 is the first commercially available large donor pool. This product better represents the average patient population and known CYP polymorphisms, enabling consistent experimental results in multi-year programs, and offering a time savings by reducing the time ...
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The second largest economy on the planet - and arguably the most powerful - China, has launched a venomous attack on the United States, labelling it an "espionage villain" after former US spy Edward Snowden raised new allegations on the far-reaching US cyber-surveillance program, PRISM.. Snowdens latest allegations have the US spy-program directed squarely at Chinese targets.. The US is seeking to extradite the 30-year-old technician from Hong Kong, where he is holed up after leaking details of secret US intelligence programs to international media outlets.. Snowdens leaks revealed that the National Security Agency - NSA - has access to vast amounts of internet data such as emails, chat rooms and video under a government program known as PRISM. The South China Morning Post says documents and statements by Snowden show PRISM also hacked major Chinese telecom companies to access text messages and targeted Chinas top Tsinghua University.. US privacy proponentss have blasted Prism as ...
Code of Federal Regulations (CFR) is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.The unofficial compilation of CFR based on the official version.
Acetone, Acrylonitrile, Allyl Chloride, Benzene, Bromobenzene, Bromochloromethane, Bromodichloromethane, Bromoform, Bromomethane, 2-Butanone (MEK), n-Butylbenzene, sec-Butylbenzene, tert-Butylbenzene, Carbon Disulfide, Carbon Tetrachloride, Chlorobenzene, Chlorodibromomethane, Chloroethane, Chloroform, Chloromethane, Chloroprene, 2-Chlorotoluene, 4-Chlorotoluene, 1,2-Dibromo-3-chloropropane, 1,2-Dibromoethane, Dibromomethane, 1,2-Dichlorobenzene, 1,3-Dichlorobenzene, 1,4-Dichlorobenzene, Dichlorodifluoromethane, 1,1-Dichloroethane, 1,2-Dichloroethane, 1,1-Dichloroethene, cis-1,2-Dichloroethene, trans-1,2-Dichloroethene, 1,2-Dichloropropane, 1,3-Dichloropropane, 2,2-Dichloropropane, 1,1-Dichloropropene, cis-1,3-Dichloropropene, trans-1,3-Dichloropropene, cis-1.4-Dichloro-2-butene, Ethylbenzene, Ethyl Ether, Hexachlorobutadiene, 2-Hexanone (MBK), Idomethane, Isopropylbenzene, p-Isopropyltoluene, Methylene Chloride, Methyl Methacrylate, Ethyl Methacrylate, Naphthalene, 4-methyl-2-Pentanone, ...
Nor do I. Its not like the Intelligence Committee is tasked to oversee "the intelligence and intelligence-related activities of 17 elements of the US Government, and the Military Intelligence Program." Its not as if a person on said committee sending a letter full of undocumented slanders and strange accusations of cultural capitulation has anything to do with intelligence - either in its governmental or colloquial sense. Its not like the letter to Inspector General Charles McCullough contains material lifted from the splash page of this website or anything. Its not as if the letter to Acting Inspector General Lynne Halbrooks demonstrates a "serious concern" about how the government labels things. Except the Halbrooks letter demands an investigation into ...
Polyglucosamine derivatives, e.g., chitosan, substituted with oxirane carboxylic acids, e.g., epoxysuccinic acid, are disclosed. The polyglucosamine derivatives can be prepared in a covalently bonded or ionically bonded form. Methods for preparing the polyglucosamine derivatives are disclosed as well as compositions containing the derivatives and uses for the derivatives.
Among these four types of SNPs, C ↔ T/A ↔ G, A ↔ C/G ↔ T, A ↔ T, and C ↔ G, the neighborhood patterns of nucleotide distributions were, however, quite different from each other (Figure 2). For example, at the −1 site, the trend of nucleotide dynamics was A , T , C , G for the combined C ↔ T/A ↔ G transitions (Figure 2, A and B), T , A , G , C for the combined A ↔ C/G ↔ T transversions (Figure 2, C and D), T , A , C , G for the A ↔ T transversions (Figure 2E), and A , T , G , C for the C ↔ G transversions (Figure 2F), respectively. However, at the +1 site, the trend was G , A , T , C for the combined C ↔ T/A ↔ G transitions (Figure 2, A and B), T , A , G , C for the combined A ↔ C/G ↔ T transversions (Figure 2, C and D), A , T , G , C for the A ↔ T transversions (Figure 2E), and T , A , C , G for the C ↔ G transversions (Figure 2F), respectively.. For the C ↔ T/A ↔ G transitions (Figure 2, A and B), nucleotide A had a high average frequency of 0.3548 ...
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The Missouri Chapter of the National Jericho Movement in Kansas City is committed to building a National Coalition for Truth and Reconciliation (NCTRC) that will work to have the United States government to recognize and release the Political Prisoners & Prisoners of War (PPs/POWs). FBIs illegal Counter Intelligence Program (COINTELPRO) actions left many leaders dead, in exile, or incarcerated for long periods of time due solely to their political activity and affiliations. The Kansas City Chapter is currently involved in organizing youth around three major issues impacting our generation; police brutality, student loan debt, and the criminalization of immigration. Our goal is to organize the Million Youth March on Washington DC to unite youth of all backgrounds around these issues.. In the wake of the lynching of Michael Brown the Missouri Chapter Jericho has been documenting and collecting evidence on racial profiling and the human rights violations committed by local law enforcement in St. ...
Refine business strategies with a fuller understanding of the trends and developments shaping your markets.. - Gain knowledge regarding the market share of each of the major producers in the market in different countries of the Americas.. 1 Table of Contents1 Table of Contents 61.1 List of Tables 81.2 List of Figures 92 Introduction 103 Americas Butadiene Market 113.1 Overview of Butadiene Market in the Americas 113.2 Butadiene Demand and Production Analysis for the Americas, and Forecast to 2020 113.3 Butadiene Demand Share Analysis for the Americas by Region, and Forecast to 2020 143.4 Butadiene Demand Analysis by End-Use Segment for the Americas, and Forecast to 2020 153.5 Butadiene Market Competitive Landscape in the Americas 174 North America Butadiene Market 184.1 North America Butadiene Market Overview 184.2 North America Butadiene Market Drivers 184.2.1 On-Purpose Production Technologies for Butadiene to Ease Supply Shortage 184.2.2 Bio-Based Butadiene Production Method Might Provide ...
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Last year, Tesla CEO Elon Musk warned about the dangers of artificial intelligence. This year hes trying to build a SoulCycle with a robots only policy.
We have been advised of several incidents where cargoes of Butadiene, ex Brindisi have been rejected at the intended discharge port due to excessive dimer content.
吳漢章於 2008 年加入了華碩電腦集團,擔任「華碩雲端股份有限公司」CEO 一職[1],肩負著華碩發展雲端產業及技術的使命,將雲端服務帶到全球的消費及商業市場,逐步帶領著華碩雲端成為雲端領域的領導品牌,發展出健康、完整、多元的華碩雲端生態圈,提供個人、企業、教育,甚至國家更好的情感連結、更具效率的工作方式與更優質的全球競爭力。. ...
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Word Scramble - English word BUTADIENE: words that start with butadiene, words that end with butadiene, anagrams of butadiene, how to spell butadiene!, Words with Friends, Scrabble
An efficient adsorbent for butadiene was synthesized via soft hydrothermal treatment (2 h in boiling water followed by 1 h calcination at 573 K) of industrial Na-X. The adsorption capacity of the zeolite was studied in the low concentration range (20-300 ppmv). Whereas original Na-X presents a very small adsorption, its treated counterpart shows a large capacity. The characterization of the zeolite suggests that the soft hydrothermal treatment dealuminates the zeolite leaving behind new OH-groups responsible for the adsorption of butadiene on the zeolite lattice. The adsorption isotherms were determined for the hydrothermally treated zeolites and the results were found to be consistent with the Dubinin-Astakhov (D-A) model. The adsorption enthalpy of butadiene on the treated Na-X was obtained from the D-A equation and from the modeling of temperature-programmed desorption profiles. Both methods gave a value of −45 kJ mol−1 suggesting chemical interactions of butadiene with the zeolite ...
GBI Research, a leading business intelligence provider, has released its latest research, “Butadiene Market in the Americas to 2020 - Persistent Supply ...
Ursula highlights Xeroxs key goals and making customers processes more efficient so they can focus on what they do best in her CEO Letter
Build-a-Bear CEO Sharon Price John appeared on the Today show to apologize for the failed Pay Your Age sale event that ended hours after it started.
As a MarketResearchReports.Biz report, it covers all details inside analysis and opinion in "Artificial Intelligence Market". This report mainly introduces volume and value market share by players, by regions, by product type, by consumers and also their price change details.. This report splits "Artificial Intelligence Market" by Product & Service, by Test Type, by Allergen, which covers the history data information from 2016 to 2024.. The "Artificial Intelligence Market" report provides analysis of the global artificial intelligence market for the period 2014-2024, wherein the years from 2016 to 2024 is the forecast period and 2015 is considered as the base year. The report precisely covers all the major trends and technologies playing a major role in the artificial intelligence markets growth over the forecast period. It also highlights the drivers, restraints, and opportunities expected to influence the market growth during this period. The study provides a holistic perspective on the ...
Global Healthcare Artificial Intelligence Market Professional Survey Report 2017" Purchase This Report by calling ResearchnReports.com at +1-888-631-6977.. Healthcare Artificial Intelligence Market size was over USD 750 million in 2016 and forecast to witness nearly 40% CAGR from 2017 to 2024.. Artificial Intelligence has extensive applications in the field of drug discovery and the medical imaging industry. It performs tasks that require human-like qualities of judgment and perception for its application in healthcare systems. Introduction of innovative technology for detection of disease such as CT scans, MRI scans and picture archiving and communications (PAC) have enabled doctors to achieve 60-70% more accurate results instantly.. Innovation in clinical research and robotic personal assistants should drive healthcare artificial intelligence market growth. Growing application in the field of genomics and precision medicine will boost personalized treatments customized to an individual ...
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The challenge with artificial intelligence is that no single and agreed-upon definition exists. Nils Nilsson defined A.I. as "activity devoted to making machines intelligent, and intelligence is that quality that enables an entity to function appropriately and with foresight in its environment." But that definition isnt close to describing how A.I. evolved.. Artificial intelligence began with the Turing Test, proposed in 1950 by Alan Turing, the scientist, cryptanalyst and theoretical biologist. Since then, rapid progress has been made over the last 75 years, advancing A.I. capabilities.. Isaac Asimov proposed the Three Laws of Robotics in 1950. The first A.I. program was coded in 1951. In 1959, MIT began research in the field of artificial intelligence. GM introduced the first robot into its production assembly line in 1961. The 1960s were transformative, with the first machine learning program written and the first demonstration of an A.I. program which understood natural language, and the ...
TUESDAY, April 25, 2017 (HealthDay News) -- It may be possible to use artificial intelligence to diagnose tuberculosis in people who live in developing nations, a new study suggests.. TB, among the top 10 causes of death worldwide, can be identified on X-rays. But, the expertise required to screen for and diagnose TB is often lacking in areas that have high rates of the lung disease, according to the studys authors.. The researchers from Thomas Jefferson University in Philadelphia used 1,007 X-rays of people with and without active TB to train artificial intelligence models to identify TB on X-rays. It proved highly accurate -- up to 96 percent-- in diagnosing cases.. The study findings were published online April 25 in the journal Radiology. "An artificial intelligence solution that could interpret radiographs for presence of TB in a cost-effective way could expand the reach of early identification and treatment in developing nations," study co-author Dr. Paras Lakhani, an assistant professor ...
Purpose: The study is conducted to evaluate the adaptability of artificial intelligence in recruitment and to assess the effect of this technology on the performance of the employees. Design/Methodology/Approach: Standard Multiple Linear regression model is used to predict the performance of the employees and one-way ANOVA is used to compare the artificial intelligence based recruitment with performance indicating variables namely reliability, productivity, Automation, Gamification & Training using SPSS. Snowball sampling method has been adopted for a sample size of 440 respondents working in leading recruitment consultancies in urban Bangalore. Findings: There is a greater association between the recruitment and performance variables when artificial intelligence is adopted as it is significant at 0.001 per cent level and productivity being the maximum. However, the impact of implementing gamification for recruitment doesnt have a significant impact on the output due to partial significant
How is Mcculloch-Pitts Neuron Model (artificial intelligence) abbreviated? M-P stands for Mcculloch-Pitts Neuron Model (artificial intelligence). M-P is defined as Mcculloch-Pitts Neuron Model (artificial intelligence) very rarely.
SAN FRANCISCO, CA - September 21, 2017 - Today Square announced that Naveen Rao, Corporate Vice President and General Manager of the Artificial Intelligence Products Group at Intel Corporation, has joined its Board of Directors.. "Square has an impressive track record of leveraging deep learning to improve its products, and theres much potential ahead," said Rao. "Im excited to work with such a forward-thinking team to accelerate the companys use of AI and leverage this work to expand access to the economy.". "Machine learning and deep learning are crucial to our continued innovation and growth," said Jack Dorsey, CEO of Square. "Naveens expertise will be hugely helpful to Square as we continue to integrate these technologies into every aspect of our business to ultimately better serve our customers.". Rao currently serves as Corporate Vice President and General Manager of the Artificial Intelligence Products Group at Intel, after serving as Vice President and General Manager of Artificial ...
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Ilias Maglogiannis, Kostas Karpouzis, Manolis Wallace, John Soldatos (Eds.): Emerging Artificial Intelligence Applications in Computer Engineering - Real Word AI Systems with Applications in eHealth, HCI, Information Retrieval and Pervasive Technologies. Frontiers in Artificial Intelligence and Applications 160 IOS Press 2007, ISBN 978-1-58603-780-2 ...
Using artificial intelligence, researchers have found a way to predict with over 70 percent accuracy a patients response to two common chemotherapy medications used to treat breast cancer.. Based on personal genetic analysis of their tumours, patients with the same type of cancer can have different responses to the same medication.. While some patients will respond well and go into remission, others will develop a resistance to the medication.. "Artificial intelligence is a powerful tool for predicting drug outcomes because it looks at the sum of all the interacting genes," said Peter Rogan, professor at University of Western Ontario in Canada.. "If we can use this technology to improve our knowledge of which medications to use, it could improve patient outcomes. The earlier we treat a patient with the most effective medication, the more likely we can effectively treat or possibly even cure that patient," Rogan noted.. The researchers aimed to predict how a patient would respond to two common ...
A recent article in the New York Times (Feb 11, 2019)1 reports that artificial intelligence (AI) can be used to make a diagnosis in a pediatric population of 600,000 patients. The data involved 101.6 million data points derived from 1,362,559 patient visits from a pediatric hospital in Guangzhou China.2 Machine learning in this study associated common medical disorders with patient complaints and information gathered by the healthcare team of physicians, nurses, and technicians.. 1. New York Times Feb 11, 2019, https://www.nytimes.com/2019/02/11/health/artificial-intelligence-medical-diagnosis.html. 2. Huiying Liang et al. "Evaluation and accurate diagnoses of pediatric disease using artificial intelligence," Nature Medicine (2019), https://doi.org/10.1038/s41591-018-0335-9. ...
Legendas A.I. Artificial Intelligence - Legendas português (pt). Artificial Intelligence: AI (2001), 1CD (por). Enviada 2004-04-05, Descarregado 1426x.
Subtitrari A.I. Artificial Intelligence - subtitrari romana. Artificial Intelligence: AI (2001), 2CD (rum). Incarcat 2003-12-17, descarcat 111x.
A defining feature of our time is the continuous advances in computing. Modern computing techniques and applications influence many areas of everyday human life and human endeavor on increasingly more complex, more sophisticated, and intellectually increasingly challenging levels. Advances in Artificial Intelligence is a peer-reviewed, Open Access journal that investigates the role of artificial intelligence in this rapidly progressing and challenging environment. It provides a rich, multidisciplinary platform for bringing together researchers and industry practitioners from a variety of areas to share results of current R&D and to discuss existing and emerging theoretical and applied problems in the rapidly evolving area of intelligent computing.
Artificial intelligence and symbolic computation; 1 edition; First published in 1998; Subjects: Congresses, Symbolic and mathematical Logic, Artificial intelligence
Read Accentures report about artificial intelligence (AI) and how artificial intelligence (AI) management will redefine the workforce of the future.
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Google succeeded to produce an artificial intelligence (AI) that can generate its own artificial intelligence. When you think about the technology companies
Brad Knox is raising funds for bots_alive | robots with playful artificial intelligence on Kickstarter! Playful immersion in advanced STEM. Teachable robots solve kid-built mazes with artificial intelligence. Supports 2 Hexbug Spiders.
Applying Artificial Intelligence to Financial Investing: 10.4018/978-1-5225-2255-3.ch001: Artificial intelligence techniques have long been applied to financial investing scenarios to determine market inefficiencies, criteria for credit scoring
View Giacomo Marianis work sample Artificial Intelligence - Stealth Game featuring skills in: C# Unity Architect, Game Designer, Artificial Intelligence (Ai)
Be prepared for the arrival of automated decision making. Once thought of as science fiction, major corporations are already beginning to use cognitive systems to assist in providing wealth advice and also in medication treatment. The use of Cognitive Analytics/Artificial Intelligence (AI) Systems is set to accelerate, with the expectation that itll be considered mainstream in the next 5 - 10 years. Itll change the way we as individuals interact with data and systems-and the way we run our businesses.. Cognitive Analysis and AI prepares business users for the era of cognitive analytics / artificial intelligence. Building on established texts and commentary, it specifically prepares you in terms of expectation, impact on personal roles, and responsibilities. It focuses on the specific impact on key industries (retail, financial services, utilities and media) and also on key professions (such as accounting, operational management, supply chain and risk management).. ...
Artificial intelligence will soon be providing options and planning your next vacation, according to Terry Jones. The chairman of startup Wayblazer says that artificial intelligence will change the travel industry. We spoke with him to find out more.
Founded in 1962, The Stanford Artificial Intelligence Laboratory (SAIL) has been a center of excellence for Artificial Intelligence research, teaching, theory, and practice for over fifty years.. ...
Christopher Polk/Getty Images Growth in Artificial Intelligence Artificial intelligence (AI) is all the buzz this year. According to CB Insights, as of June 15, this year, more than 200 AI venture financing deals have been completed already totaling $1.5B in dollar volume. If the latter half of the year continues at this [...]
Artificial Intelligence (AI) is changing the way businesses operate. Learn more about Artificial Intelligence and read Accentures latest insights & trends.
1, 3 Butadiene Market: Global Demand Analysis & Opportunity Outlook 2024". The global 1, 3 Butadiene market is segmented by applications such as butadiene rubber, styrene butadiene rubber, acrylonitrile butadiene rubber, nitrile butadiene rubber, SB latex hexamethylenediamine and others. Further, butadiene rubber segment grabbed major market share in 2016. Butadiene rubber is a synthetic polymer and due to its excellent wear resistance, rebound resilience and mechanical properties, it is widely used in manufacturing of products such as tire, golf balls, and shoe insoles. Further, other beneficial features of butadiene rubbers such as higher elasticity, wear resistance, cold resistance good process ability are likely to be the major factors which may bolster the growth of this segment in upcoming years.. Global 1, 3 Butadiene market is expected to register a notable CAGR over the forecast period. Moreover, the Global 1, 3 Butadiene Market is expected to reach at valuation of USD 33.5 Billion by ...
1, 3 Butadiene Market: Global Demand Analysis & Opportunity Outlook 2024". The global 1, 3 Butadiene market is segmented by applications such as butadiene rubber, styrene butadiene rubber, acrylonitrile butadiene rubber, nitrile butadiene rubber, SB latex hexamethylenediamine and others. Further, butadiene rubber segment grabbed major market share in 2016. Butadiene rubber is a synthetic polymer and due to its excellent wear resistance, rebound resilience and mechanical properties, it is widely used in manufacturing of products such as tire, golf balls, and shoe insoles. Further, other beneficial features of butadiene rubbers such as higher elasticity, wear resistance, cold resistance good process ability are likely to be the major factors which may bolster the growth of this segment in upcoming years.. Global 1, 3 Butadiene market is expected to register a notable CAGR over the forecast period. Moreover, the Global 1, 3 Butadiene Market is expected to reach at valuation of USD 33.5 Billion by ...
1, 3 Butadiene Market: Global Demand Analysis & Opportunity Outlook 2024". The global 1, 3 Butadiene market is segmented by applications such as butadiene rubber, styrene butadiene rubber, acrylonitrile butadiene rubber, nitrile butadiene rubber, SB latex hexamethylenediamine and others. Further, butadiene rubber segment grabbed major market share in 2016. Butadiene rubber is a synthetic polymer and due to its excellent wear resistance, rebound resilience and mechanical properties, it is widely used in manufacturing of products such as tire, golf balls, and shoe insoles. Further, other beneficial features of butadiene rubbers such as higher elasticity, wear resistance, cold resistance good process ability are likely to be the major factors which may bolster the growth of this segment in upcoming years.. Global 1, 3 Butadiene market is expected to register a notable CAGR over the forecast period. Moreover, the Global 1, 3 Butadiene Market is expected to reach at valuation of USD 33.5 Billion by ...
The tissue fraction of red blood cells (RBCs) and their oxygenation and speed-resolved perfusion areestimated in absolute units by combining diffuse reflectance spectroscopy (DRS) and laser Doppler flowmetry(LDF). The DRS spectra (450 to 850 nm) are assessed at two source-detector separations (0.4 and 1.2 mm), allowingfor a relative calibration routine, whereas LDF spectra are assessed at 1.2mmin the same fiber-optic probe. Data areanalyzed using nonlinear optimization in an inverse Monte Carlo technique by applying an adaptive multilayeredtissue model based on geometrical, scattering, and absorbing properties, as well as RBC flow-speed information.Simulations of 250 tissue-like models including up to 2000 individual blood vessels were used to evaluatethe method. The absolute root mean square (RMS) deviation between estimated and true oxygenation was 4.1percentage units, whereas the relative RMS deviations for the RBC tissue fraction and perfusion were 19% and23%, respectively. Examples of in ...
One of the key benefits of the use of artificial intelligence (AI) tools for trading is that it can massively enhance human capabilities, explains Andrej Rusakov, CEO of Data Capital Management.. "The way I see it is that AI can really put human ingenuity on steroids," he says. "What I mean by that is that it really allows you to take way more data points into account and find structures in data sources that are impossible for the human eye to spot.". Rather than displacing humans, Rusakov explains that this technology is most effective when it is deployed in tandem with a human understanding of how markets work. When building strategies, his firm uses this understanding of markets and then codifies and enhances them by using AI, and in particular machine learning, tools to find new patterns in different data sets.. ...
Despite major advances, it doesnt look like artificial intelligence will replace recruiters anytime soonArtificial Intelligence (AI) is rarely out of the news at the moment, whether it is robots thre...
|a href=https://conferences.oreilly.com/artificial-intelligence/ai-ca/public/content/announcement>Presented by OReilly and Intel Nervana|/a>, the Artificial Intelligence Conference brings together technology and business to explore opportunities in applied AI. Learn about the latest in machine and deep learning-from bots and agents to voice and IoT interfaces-and how to implement AI in real-world projects.
Will artificial intelligence give us human-like machines? Or is it just another industry buzzword? We look at the history of AI and describe its true potential.
Will artificial intelligence give us human-like machines? Or is it just another industry buzzword? We look at the history of AI and describe its true potential.
3 cr.) P: C343 or H343, good knowledge of LISP or Scheme. Introduction to major issues and approaches in artificial intelligence. Principles of reactive, goal-based, and utility-based agents. Problem-solving and search. Knowledge representation and design of representational vocabularies. Inference and theorem proving, reasoning under uncertainty, and planning. Overview of machine learning. B551 corresponds to old C563-C564 ...
Artificial Intelligence (AI) has made some huge strides in machine learning and neural networks over the last few years, and it is startin
This study provides an analysis of the African Artificial Intelligence (AI) market. The stakeholder scope includes international technology corporations and African start-ups; technology scope includes computer vision, deep learning, machine learning, natural language processing, neural networks, predictive analytics, and robotics; and the end-user scope includes a number of industries such as banking and financial services and insurance (BFSI), healthcare, manufacturing, mining, hospitality and media, amongst others. This study details the key components of an AI ecosystem and explains how AI converges with technologies such as analytics, Internet of Things (IoT), Augmented Reality (AR) and Virtual Reality (VR). It provides a snapshot of global AI trends in terms of key investments, strategy and competition, and also lists the acquisition-led strategies adopted by leading technology corporations including Google, Apple, Microsoft, Intel, Facebook, Salesforce and IBM. This study provides an ...
The newest age of artificial intelligence is coming around. So long as the rules of the job do not change, there is nothing stopping a machine doing it.
Using artificial intelligence and machine learning techniques, researchers at Shiley Eye Institute at UC San Diego Health and University of California San Diego School of Medicine, with colleagues in China, Germany and Texas, have developed a new computational tool to screen patients with common but blinding retinal diseases, potentially speeding diagnoses and treatment.
An artificial intelligence based system called VoxelCloud can read medical images and provide insights to doctors for an accurate diagnosis. Systems have been developed for diagnosing lung cancer, retinal diseases, and coronary heart disease.
OOglyDOOde writes: This link points to a competition being hosted by a company that makes research on artificial intelligence. The task? Build a program that can play a number of games whose rules are totally unknown -- and earn the best score while competing against various opponents. Your program...
Researchers at the University of Washington have brought computers and artificial intelligence into the mix to treat patients with acute myeloid leukemia.
Model developed at MITs Computer Science and Artificial Intelligence Laboratory could reduce false positives and unnecessary surgeries.
This book constitutes the refereed proceedings of the 39th Annual German Conference on Artificial Intelligence, KI 2016, in conjunction with the Österreichische Gesellschaft für Artificial Intelligenc
UCI artificial intelligence center will develop, apply deep learning neural networks to diagnostics, disease prediction and therapy planning. Initial research includes developing a system with 97 percent plus accuracy in near real-time detection of brain bleeds on NCCT. System to be implemented in UCIs comprehensive stroke program.
Agent--Based Models (ABMs) are indispensable to studying the aggregated impacts of individual actions of heterogeneous interacting adaptive agents. Concurrently, artificial intelligence has been employed for decades to simulate autonomous actions of individual entities that react, learn and exchange information with an environment and one another. There are obvious synergies between the two computational approaches. For example, artificial intelligence is often used to enhance agents behaviour in ABMs. Artificial intelligence learning algorithms (AILAs) allow for a richer agents architecture for operationalization of more realistic learning decisions beyond a simplistic treatment of agents cognitive and sensory capacities. Firstly, we review recent socio--economic and spatial ABMs that employ different AILAs to create individually, socially and spatially intelligent agents. We provide a systematic structured analysis of the types of AILAs employed in various application domains, their specific
View Notes - Homework1 from ENGL 135 at DeVry Addison. Ginger Binder Artificial Intelligence Homework #1 1. Researching and examining various artificial intelligence articles on the subject
Leen dit bij een bibliotheek! Artificial intelligence in medicine : 14th Conference on Artificial Intelligence in Medicine, AIME 2013, Murcia, Spain, May 29-June 1, 2013 : proceedings. [Niels Peek; Roque Marín Morales; Mor Peleg;] -- This book constitutes the refereed proceedings of the 14th Conference on Artificial Intelligence in Medicine, AIME 2013, held in Murcia, Spain, in May/June 2013. The 43 revised full and short papers ...
Research of the Section for Artificial Intelligence and Decision Support (AID) focusses on Artificial Intelligence technology and computer-based decison support and its use in the medical domain. This includes the development of software systems for intelligent data analysis, knowledge-based systems technology for decision support and therapy planning, and natural language processing which deals with automatic processing of text and speech.. The department offers lectures in Artificial Intelligence on an introductory as well as an advanced level. With regard to particular study programmes, we offer courses for students of Medicine and of Medical Informatics, as well as for students of the Middle European Master Programme in Cognitive Science. Courses are also offered for computer science students in a cooperation with the University of Vienna.. The department was founded in 1977 as an institute of the Medical Faculty of the University of Vienna. In 2004, it became part of the Center for Brain ...

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