d m conning (18 Ergebnisse)

Zustand: Poor. This is an ex-library book and may have the usual library/used-book markings inside.This book has soft covers. Clean from markings. In poor condition, suitable as a reading copy. Library sticker on front cover. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,250grams, ISBN:9780747403142.

Paperback. Zustand: Very Good. Experimental Toxicology: The Basic Issues This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping. .

Paperback. Zustand: Very Good. This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping.

Zustand: Fair. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. Book contains pencil markings. In fair condition, suitable as a study copy. Dust jacket in good condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,550grams, ISBN:0709902530.

PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000.

24 cm. original paperback. viii,336 pp. some ills, diagrams. references. index. ISBN New York: 0387095845. "Archives of Toxicology / Archiv für Toxikologie". -(libr label, library stamps, with plasticized cover (einbandfolie), signs of use, otherwise good). 620g.

PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000.

Zustand: New. In.

Paperback. Zustand: Brand New. 2nd edition. 580 pages. 9.13x6.14x1.34 inches. In Stock.

Kartoniert / Broschiert. Zustand: New. This book is a must for newcomers to the field who wish to gain an understanding of what toxicology is all about.InhaltsverzeichnisFront matter Contributors Contents Introduction to experimental toxicology Effects of physical for.

Zustand: Good. Your purchase helps support Sri Lankan Children's Charity 'The Rainbow Centre'. Ex-library, so some stamps and wear, but in good overall condition. Our donations to The Rainbow Centre have helped provide an education and a safe haven to hundreds of children who live in appalling conditions.

Taschenbuch. Zustand: Neu. Neuware - Experimental Toxicology is an important text for undergraduates, post-graduates and professionals involved with studying or teaching this often controversial subject. It addresses the basic issues concerned with the practice of experimental toxicology and discusses in detail the following topics: experimental design; biochemical issues; animal husbandry; species differences; immunological issues; carcinogenesis; reproductive approaches; statistics; genetics; in vitro and molecular approaches; risk assessment; information resources; aspects of legislation; good laboratory practice; and laboratory design. The book has been updated and revised to reflect the many changes that have taken place since the first edition was published five years ago and this 2nd Edition gives special attention to the extensive changes that have taken place in the areas of molecular, genetic and reproductive toxicology and in the knowledge regarding the multiplicity of enzymes involved in foreign compound metabolism. Experimental Toxicology is a must for newcomers to the field who wish to gain an understanding of what toxicology is all about. It will also be of interest to experienced practitioners and to professionals from other areas who need a rapid introduction to the subject.

Zustand: New. In.

Softcover. VII, 336 S. : 64 Ill. u. graph. Darst. ; 25 cm Good condition. Reading pages are very clean and without marks. Retired library exemplar. Slight traces of storage or usage. Otherwise very good exemplar. 9783540095842 Sprache: Englisch Gewicht in Gramm: 649 Softcover reprint of the original 1st ed. 1980.

Zustand: Sehr gut. Zustand: Sehr gut | Seiten: 348 | Sprache: Englisch | Produktart: Bücher | N-nitroso-compounds form an important class of carcinogenic chemicals which may be of environmental importance (Druckrey et al. , 1967; Magee et al. , 1976; IARC, 1978). The mechanism by which these carcinogens initiate neoplastic growth is not well understood but there is substantial evidence favoring the hypothesis that the simple dialkylnitrosamines and alkylnitrosamides act by means of their conversion to al­ kylating agents. Alkylating species are generated from the nitrosamines by metabolic activation and from the nitrosamides by chemical decomposition at physiological pH. It is widely believed that DNA is the critical alkylation target. Alkylation takes place at at least 12 sites within the DNA molecule (Lawley, 1976; Singer, 1976; Pegg, 1977a). Al­ though alkylation at the 7-position of guanine is the most extensive reaction with the DNA bases and provides a reliable measurement of the degree of interaction with the carcinogen (Swann and Magee, 1968, 1971), recent experiments have suggested that alkylation of oxygen atoms may be the critical reaction (Goth and Rajewsky, 1974; Margison and Kleihues, 1975; Nicoll et aI. , 1975; Pegg, 1977a). These laboratories have observed a correlation between the production and persistence of 06-alkyl­ guanine and the occurrence oftumors in a variety of organs of rodents exposed to N-ni­ troso-carcinogens. It has, therefore, been suggested that the ability of tissues to catalyze the removal of 06-alkylguanine from DNA may provide a protective mechanism against carcinogenesis.

Paperback. Zustand: Brand New. 348 pages. 9.61x6.69x0.79 inches. In Stock.

Taschenbuch. Zustand: Neu. Quantitative Aspects of Risk Assessment in Chemical Carcinogenesis | Symposium held in Rome/Italy, April 3-6, 1979 | D. M. Conning (u. a.) | Taschenbuch | viii | Englisch | 1980 | Springer Vieweg | EAN 9783540095842 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - N-nitroso-compounds form an important class of carcinogenic chemicals which may be of environmental importance (Druckrey et al. , 1967; Magee et al. , 1976; IARC, 1978). The mechanism by which these carcinogens initiate neoplastic growth is not well understood but there is substantial evidence favoring the hypothesis that the simple dialkylnitrosamines and alkylnitrosamides act by means of their conversion to al kylating agents. Alkylating species are generated from the nitrosamines by metabolic activation and from the nitrosamides by chemical decomposition at physiological pH. It is widely believed that DNA is the critical alkylation target. Alkylation takes place at at least 12 sites within the DNA molecule (Lawley, 1976; Singer, 1976; Pegg, 1977a). Al though alkylation at the 7-position of guanine is the most extensive reaction with the DNA bases and provides a reliable measurement of the degree of interaction with the carcinogen (Swann and Magee, 1968, 1971), recent experiments have suggested that alkylation of oxygen atoms may be the critical reaction (Goth and Rajewsky, 1974; Margison and Kleihues, 1975; Nicoll et aI. , 1975; Pegg, 1977a). These laboratories have observed a correlation between the production and persistence of 06-alkyl guanine and the occurrence oftumors in a variety of organs of rodents exposed to N-ni troso-carcinogens. It has, therefore, been suggested that the ability of tissues to catalyze the removal of 06-alkylguanine from DNA may provide a protective mechanism against carcinogenesis.