Toxicological properties

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  • Chlorinated paraffins are one of the last classes of chlorinated compounds that are still being produced worldwide and used in high quantities in many applications. They are particularly used in cutting oils in the metal industry, but also as lubricants, plasticizers, flame retardants and as additives in adhesives, rubber, paints and sealants. This volume covers the state-of-the-art of methods for the synthesis and analysis of chlorinated paraffins. Experts in the field provide an overview of their worldwide occurrence and utilization and describe their toxicological properties.

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  • Chlorinated paraffins are one of the last classes of chlorinated compounds that are still being produced worldwide and used in high quantities in many applications. They are particularly used in cutting oils in the metal industry, but also as lubricants, plasticizers, flame retardants and as additives in adhesives, rubber, paints and sealants. This volume covers the state-of-the-art of methods for the synthesis and analysis of chlorinated paraffins. Experts in the field provide an overview of their worldwide occurrence and utilization and describe their toxicological properties.

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  • Risk assessment is an inexact science. Successful risk assessment practitioners rely heavily on extensive and well-documented databases.

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  • Because of the potential public health implications, the importance of toxic air pollutants in ambient air has been recognized to some degree for many years. Efforts to “regulate” human activities resulting in the production of ambient air pollutants probably date back many centuries, even as the combustion of fossil fuels and air pollution from other organized human activities began having a noticeable impact on the environment.

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  • Why do some contaminants remain in soils indefinitely? How much of a threat do they pose to human health or the environment? The need for effective and economic site decontamination arises daily. Geoenvironmental Engineering: Contaminated Soils, Pollutant Fate, and Mitigation discusses why soils remain contaminated, focusing on the development of the factors, properties, characteristics, and parameters of soils and individual contaminants.

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  • The Human Developmental Toxicants Database (HumDevTox) is a chemical structure–chemical property–biological activity database for 50 known agents that adversely affect human development as a result of exposure prior to conception or during prenatal and postnatal development. The developmental effects elicited include growth retardation, death, structural abnormality, and functional deficits.

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  • Preparations derived from Lentinula edodes (Berk.) Pegl. mycelium are worldwide used as dietary supplements containing compounds active as immune system enhancers, demonstrating chemopreventive and anticancer activity. L. edodes mycelium enriched with organic forms of selenium like selenized yeast possess putative, higher cancer preventive properties. The objective of this study was to test the effect of enrichment in selenium on antioxidant, reducing and free radical scavenging activity of water and alcohol extracts from mycelium of L. edodes (Berk.).

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  • Environmental Toxicology: The study of the nature, properties, effects and detection of toxic substances in the environment and in any environmentally exposed species, including humans. Motivation: Why learn about the environment and man’s relationship to the environment?

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  • A questionnaire was applied including variables social, demographic, occupational, clinical, toxicological and tomatoes consumption habits. The pilot study was carried out on 10% of the total of the sample, although they did not make part of the research. Following the criteria of inclusion, all laborers engaged in tomato planting entered into the study, provided that they were permanent residents in the community, who had used OF, C and OC pesticides at least during the six months previous to the study, and also who volunteered to participate in the study....

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  • If the landlord does win the case, the clerk of the court will issue a writ of possession to the sheriff commanding the sheriff to put the landlord back in possession of the dwelling after 24 hours’ notice conspicuously posted on the premises. Th e landlord or his agent may then remove the tenant’s personal property from the premises. (Fla. Stat. §83.62). At any rate, if you lose at any stage, your landlord will begin eviction. He may either change the locks on your apartment and assert a lien on your possessions for the money which you...

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  • The abuse of amphetamines is of national concern from a public health perspective. Review of this subject is timely and important, because the problem of amphetamine-like drugs has recently been amplified by the introduction of designer drugs in the illicit market. There has been an increasing number of attempts by chemists in clandestine laboratories to synthesize structurally altered congeners that might intensify the moodaltering property of this class of compounds.

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  • Primarily, an investment property is one purchased strictly for the purpose of generating income. It’s neither your current primary residence nor a vacation home used only by your family. An investment property is usually purchased with the intention of either renting it out or renovating it to resell at a profit. There are also some variations on that theme. For instance, when a family relocates or decides to downsize, a primary residence can become an investment property if it doesn’t need to be sold.

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  • CONTRIBUTORS TO VOLUME 48 ´ ´ Rocıo Aguilar-Martınez Department of Analytical Chemistry, University Complutense of Madrid, Ciudad Universitaria, 28040 Madrid, Spain Ian Allan School of Biological Sciences, University of Portsmouth, King Henry I Street, Portsmouth PO1 2DY, UK David A. Alvarez US Geological Survey, Columbia Environmental Research Center, 4200 New Haven Road, Columbia, MO 65201, USA ´ Damia Barcelo Department of Environmental Chemistry, IIQAB-CSIC, Jordi Girona 18-26, 08034 Barcelona, Spain Michael E.

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  • Preformulation is a bridge between discovery and development where development scientists participate in selection and optimization of lead compounds. It is very critical at this stage to evaluate the developability of potential drug candidates in order to select new chemical entities and decrease the number of failures during future drug development. On average, only one out of ten new chemical entities (NCE) entering firstin-human testing reaches registration, approval, and marketing stage.

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  • This document presents WHO guidelines for the protection of public health from health risks due to a number of chemicals commonly present in indoor air. The guidelines are based on a comprehensive review and evaluation of the accu- mulated scientific evidence by a multidisciplinary group of experts studying the toxic properties and health effects of these pollutants.

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