ORGANIC POLLUTANTS: An Ecotoxicological Perspective - Chapter 8 pot

... (CNS). Here lies an important distinc- tion between the toxicity of organic and inorganic mercury salts. Although inorganic forms of mercury can also bind to –SH groups, they cannot readily cross ... antifungal agents. Most of them have the gen- eral formula R–Hg–X, where R is an organic group and X is usually an inorganic group (occasionally a polar organic group such as acetat...

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... an ecotoxicological perspective / Colin H. Walker. 2nd ed. p. cm. Includes bibliographical references and index. ISBN 97 8- 1 -4 20 0-6 25 8- 8 (alk. paper) 1. Organic compounds Toxicology. 2. Organic ... America on acid-free paper 10 9 8 7 6 5 4 3 2 1 International Standard Book Number-13: 97 8- 1 -4 20 0-6 25 8- 8 (Hardcover) This book contains information obtained fr...

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... & Francis Group, LLC 98 Organic Pollutants: An Ecotoxicological Perspective, Second Edition 4.9 SUMMARY The movement of organic pollutants along food chains, and their fate in soils and sediments, ... 14.3 in Chapter 14), as, for instance, in the case of changes in the transmission of action potential © 2009 by Taylor & Francis Group, LLC 94 Organic Pollutants:...

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... region) 4 MO MO Trans-diol G-SH conjugate Phenol 10 9 8 O 7 7 , 8- oxide BP 7 , 8- trans-diol BP 7 , 8- trans-diol 9,10-oxide is form binds to DNA H H OH 8 7 9 10 O O H 10 EH MO O 4 5 9 8 HO OH 7 10 9 8 HO OH 7 10 O FIGURE ... 2900 Benzo[a]pyrene 2300 Pyrene 480 0 Dibenz[a,h]anthracene 470 Perylene 900 Benzouoranthenes 4900 © 2009 by Taylor & Francis Group, LLC 182 Organic...

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... metabolite, O,O,diethyl,-O-(3,5-dichloro- 6- methylthio-2-pyridyl-O-phosphorothioate), was evidently formed as a result of gluta- thione-mediated dechlorination of the leaving group (see Chapter 2, Figure ... of resistance, for example, by © 2009 by Taylor & Francis Group, LLC 216 Organic Pollutants: An Ecotoxicological Perspective, Second Edition by monooxygenase appears t...

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... day 12 were from four animals and three animals, respectively (from Huckle et al. 1 989 ). © 2009 by Taylor & Francis Group, LLC 224 Organic Pollutants: An Ecotoxicological Perspective, Second ... compounds may be transferred via rodents to terrestrial predators and scavengers that feed © 2009 by Taylor & Francis Group, LLC 2 28 Organic Pollutants: An Ecotoxicologi...

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... (Walker 1998c). Mechanistic biomarkers can be both qualitative and quantita- tive; they identify a mechanism of toxic action and measure the degree to which it operates. Thus, they can provide an integrated ... cheaper and, because chemical analysis is not © 2009 by Taylor & Francis Group, LLC 242 Organic Pollutants: An Ecotoxicological Perspective, Second Edition the use of...

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... pollution: a review of the evidence and new challenges. Animal Behaviour 68, 649–664. © 2009 by Taylor & Francis Group, LLC 2 68 Organic Pollutants: An Ecotoxicological Perspective, Second Edition system ... including acting as an estrogen (o,pb-DDT and p,pb-DDT) and an antian- drogen (p,pb-DDE). Concentrations in most environments, however, are generally now at, or below,...

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... Taylor & Francis Group, LLC Factors Determining the Toxicity of Organic Pollutants to Animals and Plants 31 inhibited by, planar molecules (e.g., planar PAHs and coplanar PCBs). This can be explained ... fat. Thus, half-lives of about 1 year have been reported for p,pb-DDE in birds, whereas higher © 2009 by Taylor & Francis Group, LLC 18 Organic Pollutants: An Ecotoxicol...

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... terrestrial and aquatic food chains, situations in which fate is determined by both biological and chemical processes. © 2009 by Taylor & Francis Group, LLC 70 Organic Pollutants: An Ecotoxicological ... to concentration (C) as follows: f = C/Z © 2009 by Taylor & Francis Group, LLC 68 Organic Pollutants: An Ecotoxicological Perspective, Second Edition 3.1 PROPERTIE...

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