Energetics of Organic Free Radicals, Jos? A. Martinho Sim?es; Joel F. Liebman; A. Green

Автор: Hanns Fischer; Heinz Heimgartner
Название: Organic Free Radicals
ISBN: 3540501290 ISBN-13(EAN): 9783540501299
Издательство: Springer
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Автор: D. I. Davies; M. J. Parrott
Название: Free Radicals in Organic Synthesis
ISBN: 3642669247 ISBN-13(EAN): 9783642669248
Издательство: Springer
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Описание: Free Radical Chemistry has a comparatively long history. Before the accep- tance of the quadrivalence of carbon, various attempts were made to prepare trivalent carbon species like methyl and ethyl. Initial investigations involving reaction between alkyl iodides and zinc were thought to be successful \ but were subsequently branded as failures 2. In fact free methyl and ethyl were transient radicals involved in the reactions, but because of their short lifetimes the radicals were not detected, and only the hydrocarbons formed by dimeri- th sation of the radicals were isolated. At the beginning of the 20 century Gom- berg discovered the stable triarylmethyl radicals 3, and then in the 1920's Pa- neth 4 showed that free alkyl radicals could have a short lifetime in the gas phase. Free radicals as intermediates in reactions in solution were largely un- recognised until in 1937 Hey and Waters 5 interpreted a number of reactions, which did not fit into the then developing electronic theory of Organic Chem- istry6,7, by suggesting that they involved the intermediacy of free radicals. The other contemporary pioneer Kharasch 8 also proposed free radicals as interme- diates in certain reactions in solution, many involving organometallic species. However in the 1930 - 1950 period free radicals were not universally accepted as respectable reaction intermediates as evidenced by the initial rejection of the work of Koelsch 9 and the stand against free radicals made by Hodgson 10.

Автор: Jos? A. Martinho Sim?es; Joel F. Liebman; A. Green
Название: Energetics of Organic Free Radicals
ISBN: 0751403784 ISBN-13(EAN): 9780751403787
Издательство: Springer
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Описание: This volume provides a critical description of the methods used to probe the energetics of organic free radicals, including: methods in gas-phase and in solution, appearance energy measurements, photoacoustic calorimetry, electrochemical techniques and theoretical calculations.

Автор: Jos? A. Martinho Sim?es
Название: Energetics of Organometallic Species
ISBN: 9401050880 ISBN-13(EAN): 9789401050883
Издательство: Springer
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Цена: 12157.00 р.
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Описание: Proceedings of the NATO Advanced Study Institute, Curia, Portugal, September 3-13, 1991

Автор: J.L. Cloudsley-Thompson; Harold Heatwole
Название: Energetics of Desert Invertebrates
ISBN: 3642646069 ISBN-13(EAN): 9783642646065
Издательство: Springer
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Описание: Desert invertebrates live in an environment where resources alternate unpredictably between brief periods of plenty and prolonged scarcity. The adaptive modes of economizing on scarce energy resources are diverse and lead to an appreciation of the intricate interactions of animals living close to their environmental limits.

Автор: K. Wirtz
Название: Membrane Receptors, Dynamics, and Energetics
ISBN: 1468453378 ISBN-13(EAN): 9781468453379
Издательство: Springer
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Описание: A NATO Advanced Study Institute on "Membrane Receptors, Dynamics and Energetics" was held in order to consider recent developments in membrane receptor research. Presentations and discussions focussed on signal transduction mechanisms (e.g. 2 G-proteins, transducin, Ca ]) and on the structure and func- tion of some selected receptors (i.e. low density lipoprotein receptor, acetylcholine receptor, growth factor receptors, toxin receptors). These topics were put in the larger con- text of current knowledge on the structure and function of membranes; connections between different fields of research were established by in-depth discussions of energy transduc- tion and transport mechanisms. Specialized membrane systems were discussed including chloroplasts and chromaffin granules. Functional relationships with specific lipids (e.g. phospho- inositides, lipid A) were major topics of discussion. This book presents the content of the major lectures and a selection of most relevant posters presented during the course of the Institute. This book is intended to make the proceedings of the Institute accessible to a larger audience and to offer a comprehensive account of those topics of re- ceptor, membrane and bioenergetics research that were at the center of interest during our stay on the Island of Spetsai from August 17 to 30, 1986.

Автор: Halliwell, Barry; Gutteridge, John
Название: Free Radicals in Biology and Medicine
ISBN: 019856869X ISBN-13(EAN): 9780198568698
Издательство: Oxford Academ
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Описание: Provides coverage of isoprostanes and related compounds, mechanisms of oxidative damage to DNA and proteins (and the repair of such damage), the free radical theory of ageing and the roles played by reactive species in signal transduction, cell death, human reproduction, and other important biological events.

Автор: Halliwell
Название: Free Radicals in Biology & Medicine
ISBN: 0198500440 ISBN-13(EAN): 9780198500445
Издательство: Oxford Academ
Цена: 7128.00 р.
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Описание: Since the publication of the second edition of "Free Radicals in Biology and Medicine" in 1989 the techniques of modern molecular, cellular, and structural biology have provided new data that have transformed scientific thinking about topics within free radical research. Reactive species, such as peroxynitrite, have been discovered to have a role in biological systems. Therefore much of the third edition has been completely rewritten and what remains from the second has been thoroughly updated. There are new chapters on antioxidant defence systems in bacteria, plants, and animals; the detection of free radicals; the role of antioxidants in ageing, nutrition, disease, and therapy; and a new appendix on molecular biology. The chapter on oxidative stress and its consequences includes the damage and repair of DNA, proteins, and lipids, cytokines, and cell death (both apoptosis and necrosis). Free radicals and other reactive species are now implicated in a wide range and number of diseases and the third edition covers their role in hypertension, diabetes, lung damage, cystic fibrosis, nervous system disorders, viral infections, and cancer. This book is intended for postgraduate researchers, academics, industrial scientists, clinicians, and medical workers in chemistry, biochemistry and biomedical fields.