Oxygen and Oxy-radicals in Chemistry and Biology

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Publisher :
ISBN 13 :
Total Pages : 848 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Oxygen and Oxy-radicals in Chemistry and Biology by : M. A. J. Rodgers

Download or read book Oxygen and Oxy-radicals in Chemistry and Biology written by M. A. J. Rodgers and published by . This book was released on 1981 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Oxygen Radicals in Chemistry and Biology

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Author :
Publisher : de Gruyter
ISBN 13 :
Total Pages : 1060 pages
Book Rating : 4.:/5 (44 download)

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Book Synopsis Oxygen Radicals in Chemistry and Biology by : Wolf Bors

Download or read book Oxygen Radicals in Chemistry and Biology written by Wolf Bors and published by de Gruyter. This book was released on 1984 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt: No detailed description available for "Oxygen Radicals in Chemistry and Biology".

Handbook Methods For Oxygen Radical Research

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Publisher : CRC Press
ISBN 13 : 1351081373
Total Pages : 467 pages
Book Rating : 4.3/5 (51 download)

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Book Synopsis Handbook Methods For Oxygen Radical Research by : Robert A. Greenwald

Download or read book Handbook Methods For Oxygen Radical Research written by Robert A. Greenwald and published by CRC Press. This book was released on 2018-02-01 with total page 467 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is divided into five sections. Section I deals with preparative methodology for isolation and purification of the components of the oxy radical experimental systems use most frequently, including all three forms of SOD and several other important scavengers. Section II provides the experimenter with a choice of a dozen oxy radical generating systems which can be used for testing of scavengers or for evaluation of the effects of oxy radicals on target tissues. The reader will note that in this section, as well as in most of the rest of the volume, the orientation is primarily biochemical, biologic, and medical, rather than pure chemistry or pure physics. Nevertheless, the techniques are widely applicable to a variety of disciplines.

Oxygen Radicals in Biology and Medicine

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Publisher : Springer Science & Business Media
ISBN 13 : 1468455680
Total Pages : 1064 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Oxygen Radicals in Biology and Medicine by : Michael Simic

Download or read book Oxygen Radicals in Biology and Medicine written by Michael Simic and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is based on the papers presented at the "Fourth International Congress on Oxygen Radicals (4-ICOR)," held June 27 - July 3, 1987, at the University of California, La Jolla. The chapters deal with the phenomena associated with highly reactive oxygen species (hydroxy, peroxy, alkoxy, aroxy, and superoxide radicals, as well as singlet oxygen) and their peroxidation products (hydrogen peroxide, hydroperoxides, peroxides, and epoxides) as they relate to the fields of chemistry, food technology, nutrition, biology, pharmacology, and medicine. The kinetics, energetics, and mechanistic aspects of the reactions of these species and the interrelationship of oxygen radicals (or any other free radicals) and peroxidized products have been emphasized. Special attention is focused on the mechanisms of the generation of free radicals and peroxy products in biosystems and on the adverse effects of these radicals and products in humans. The topics span the continuum from the simple chemistry of model systems to the complex considerations of clinical medicine. The book also explores the mechanisms of agents that protect against free radicals and peroxy products in vitro and in vivo. These agents include antioxidants used in materials, food antioxidants, physiological antioxidants, and antioxienzymes (SOD, glutathione peroxidase, and catalases). The use of these inhibitors to prevent damage to organs being prepared for transplantation, thereby maintaining the quality of transplanted organs and/or extending their "shelf-life," also is examined.

Oxygen Radicals in Chemistry and Biology

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Publisher :
ISBN 13 : 9780899253916
Total Pages : 1029 pages
Book Rating : 4.2/5 (539 download)

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Book Synopsis Oxygen Radicals in Chemistry and Biology by : Wolf Bors

Download or read book Oxygen Radicals in Chemistry and Biology written by Wolf Bors and published by . This book was released on 1984-03-01 with total page 1029 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Oxy-Radicals in Molecular Biology and Pathology

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Publisher : Wiley-Liss
ISBN 13 : 9780471501886
Total Pages : 606 pages
Book Rating : 4.5/5 (18 download)

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Book Synopsis Oxy-Radicals in Molecular Biology and Pathology by : Peter A. Cerutti

Download or read book Oxy-Radicals in Molecular Biology and Pathology written by Peter A. Cerutti and published by Wiley-Liss. This book was released on 1988-09-22 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides in-depth coverage of recent advances in oxy-radical biology and medicine. Examines the deleterious effects of oxy-radicals at the tissue, cellular, and molecular levels; and application of ESR and spin-trapping to in vivo detection and identification of free radicals. Also covers biological sources of O2-, superoxide dismutases, the defensive role of glutathione peroxidase against oxygen toxicity, regulation of the GSHPx gene, and much more.

Oxygen Radicals in Biological Systems

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Publisher : Elsevier
ISBN 13 : 9780121821340
Total Pages : 758 pages
Book Rating : 4.8/5 (213 download)

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Book Synopsis Oxygen Radicals in Biological Systems by : Lester Packer

Download or read book Oxygen Radicals in Biological Systems written by Lester Packer and published by Elsevier. This book was released on 1994 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since biological tissues are unstable in an oxygen atmosphere, a great deal of effort is expended by organisms to metabolically limit or repair oxidative tissue damage. This volume of Methods in Enzymology and its companion Volume 234 present methods developed to investigate the roles of oxygen radicals and antioxidants in disease. Key Features* Generation, detection, and characterization of oxygen radicals, chemistry, biochemistry, and intermediate states of reductio* Isolation, characterization, and assay of enzymes or substrates involved in formation or removal of oxygen radical* Methods for assessing molecular, cell, and tissue damage; assays and repair of oxidative damage.

Free Radicals in Biology V5

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Publisher : Elsevier
ISBN 13 : 0323156835
Total Pages : 304 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Free Radicals in Biology V5 by : William Pryor

Download or read book Free Radicals in Biology V5 written by William Pryor and published by Elsevier. This book was released on 2012-12-02 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Free Radicals in Biology, Volume V covers the mechanisms for the generation of free radicals. This volume contains eight chapters that discuss the biology and chemistry of oxy-radicals in mitochondria and the radical-mediated metabolism of xenobiotics. The opening chapter describes the mechanisms of free radical production in enzymatically promoted lipid peroxidation, generally in microsomes or microsomal lipids. The subsequent chapters explore the biochemistry and biology of plant and animal lipoxygenases; the production of superoxide and hydrogen peroxide in mitochondria; and the biological role of these species in mitochondria and related systems. The discussions then shift to the effects of superoxide production in white blood cells, with an emphasis on an evaluation of the oxygen-dependent reactions of the important phagocytic cells, the monocytes, and the polymorphonuclear leukocytes. This volume further covers the formation and the role of oxy-radicals in the red blood cell, which is a very useful system for studying the protection of biological tissue against radical-mediated damage. A chapter presents a comprehensive review of the production of free radicals during the metabolism of xenobiotics. The last chapters provide an overview of the enzymology, biological functions, and free radical chemistry of glutathione peroxidase. These chapters also examine a number of gerontological principles and the effect of antioxidants in aging. Chemists, biologists, and physicists will find this book of great value.

Oxyradicals in Medical Biology

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Publisher : Elsevier Science
ISBN 13 : 9780762303793
Total Pages : 188 pages
Book Rating : 4.3/5 (37 download)

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Book Synopsis Oxyradicals in Medical Biology by : J.M. McCord

Download or read book Oxyradicals in Medical Biology written by J.M. McCord and published by Elsevier Science. This book was released on 1998-05-07 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rapid expansion of the area of free radical biology in the last 25 years has occurred within a framework of assumptions and preconceived notions that has at times directed the course of this movement. The most dominant of these notions has been the view that free radical production is without exception a bad thing, and that the more efficient our elimination of these toxic substances, the better off we will be. The very important observation by Bernard Babior and colleagues in 1973 that activated phagocytes produce superoxide in order to kill micro organisms, served to illustrate that constructive roles are possible for free radicals. For many in the field, however, this merely underscored the deadly nature of oxygen-derived radicals, both from the microbe's point of view and from the host's as well. (Phagocyte-produced superoxide is responsible in part for the tissue injury manifested as inflammation. See Harris and Granger, Chapter 5, and Leff, Hybertson and Repine, Chapter 6.) Mother Nature, however, has a penchant for being able to make a silk purse from a sow's ear. If one is dealt a bad hand, one must simply make the best of it. After two decades of focusing on the destructive side of free radicals, the last few years have begun to reveal a new and finer perspective on free radical metabolism - a role in regulation of cellular function (see Schulze-Osthoff and Baeuerle, Chapter 2). Evidence from a number of sources suggests that an increase in the oxidative status of cell encourages that cell to grow and divide. Increasing the expression of mangnese superoxide dismutase can suppress the malignant phenotype of melanon cells (see Oberley and Oberley, Chapter 3). Oxidative stress beyond a certain poitosis (from the Greek, literally "to fall apart"). Is this suicide response an evolutionary fail-safe device to curtail tumorogenesis? Does oxidative stress-induced apoptosis account for the loss of immune cells in AIDS (see Flores and McCor Chapter 4)? This volume attempts to present the spectrum of roles, both good and bad played by active oxygen species as understood at this point in the evolution of this field of free radical biology.

Oxygen and Oxy-radicals in Chemistry and Biology

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Publisher :
ISBN 13 :
Total Pages : 842 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Oxygen and Oxy-radicals in Chemistry and Biology by : M. A. J. Rodgers

Download or read book Oxygen and Oxy-radicals in Chemistry and Biology written by M. A. J. Rodgers and published by . This book was released on 1981 with total page 842 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Free Radicals in Biology

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Publisher :
ISBN 13 : 9780125665018
Total Pages : 0 pages
Book Rating : 4.6/5 (65 download)

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Book Synopsis Free Radicals in Biology by : William A. Pryor

Download or read book Free Radicals in Biology written by William A. Pryor and published by . This book was released on 1976 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Oxygen Radicals in Chemistry and Biology

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Author :
Publisher : Walter de Gruyter
ISBN 13 : 3110866536
Total Pages : 1052 pages
Book Rating : 4.1/5 (18 download)

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Book Synopsis Oxygen Radicals in Chemistry and Biology by : Wolf Bors

Download or read book Oxygen Radicals in Chemistry and Biology written by Wolf Bors and published by Walter de Gruyter. This book was released on 2011-06-15 with total page 1052 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plant Aging

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Publisher : Springer Science & Business Media
ISBN 13 : 1468457608
Total Pages : 425 pages
Book Rating : 4.4/5 (684 download)

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Book Synopsis Plant Aging by : Roberto Rodríguez

Download or read book Plant Aging written by Roberto Rodríguez and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many, the terms aging, maturation and senescence are synonymous and used interchangeably, but they should not be. Whereas senescence represents an endogenously controlled degenerative programme leading to plant or organ death, genetiC aging encompasses a wide array of passive degenerative genetiC processes driven primarily by exogenous factors (Leopold, 1975). Aging is therefore considered a consequence of genetiC lesions that accumulate over time, but by themselves do not necessarily cause death. These lesions are probably made more severe by the increase in size and complexity in trees and their attendant physiology. Thus while the withering of flower petals following pollination can be considered senescence, the loss of viability of stored seeds more clearly represents aging (Norden, 1988). The very recent book "Senescence and Aging in Plants" does not discuss trees, the most dominant group of plants on the earth. Yet both angiospermic and gymnospermic trees also undergo the above phenomena but less is known about them. Do woody plants senesce or do they just age? What is phase change? Is this synonymous with maturation? While it is now becoming recognized that there is no programmed senescence in trees, senescence of their parts, even in gymnosperms (e. g. , needles of temperate conifers las t an average of 3. 5 years), is common; but aging is a readily acknowledged phenomenon. In theory, at least, in the absence of any programmed senescence trees should -live forever, but in practice they do not.

Chemistry and Biochemistry of Flavoenzymes

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Publisher : CRC Press
ISBN 13 : 1351079026
Total Pages : 444 pages
Book Rating : 4.3/5 (51 download)

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Book Synopsis Chemistry and Biochemistry of Flavoenzymes by : Franz Muller

Download or read book Chemistry and Biochemistry of Flavoenzymes written by Franz Muller and published by CRC Press. This book was released on 2018-05-04 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry and Biochemistry of Flavoenzymes summarizes the present knowledge of the chemical and physical properties of free flavin, modified flavins occurring in nature, and deazaflavin. This information forms the fundamental basis for understanding the catalytic properties of flavoenzymes. Flavoproteins involved in transport, electron transfer, oxidation, dehydrogenation and hydroxylation reactions are discussed with respect to their biochemical and biophysical properties. The book presents the catalytic mechanisms of the flavoproteins in detail and, where available, three-dimensional structures and molecular biology data are included. The medical aspects of free and protein-bound flavin are also briefly discussed. Chemistry and Biochemistry of Flavoenzymes is an essential reference source for chemists, biochemists, toxicologists, biologists, pharmacologists, and researchers in the pharmaceutical industry.

Systems Biology of Free Radicals and Antioxidants

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Publisher : Springer
ISBN 13 : 9783642300172
Total Pages : 0 pages
Book Rating : 4.3/5 (1 download)

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Book Synopsis Systems Biology of Free Radicals and Antioxidants by : Ismail Laher

Download or read book Systems Biology of Free Radicals and Antioxidants written by Ismail Laher and published by Springer. This book was released on 2014-06-16 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of this collection of illustrated reviews is to discuss the systems biology of free radicals and anti-oxidants. Free radical induced cellular damage in a variety of tissues and organs is reviewed, with detailed discussion of molecular and cellular mechanisms. The collection is aimed at those new to the field, as well as clinicians and scientists with long standing interests in free radical biology. A feature of this collection is that the material also brings insights into various diseases where free radicals are thought to play a role. There is extensive discussion of the success and limitations of the use of antioxidants in several clinical settings.

Oxygen Chemistry

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Publisher : Oxford University Press
ISBN 13 : 0195363329
Total Pages : 236 pages
Book Rating : 4.1/5 (953 download)

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Book Synopsis Oxygen Chemistry by : Donald T. Sawyer

Download or read book Oxygen Chemistry written by Donald T. Sawyer and published by Oxford University Press. This book was released on 1991-09-19 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book places oxygen on the center stage of chemistry in a manner that parallels the focus on carbon by 19th century chemists. One measure of the significance of oxygen chemistry is the greater diversity of oxygen-containing molecules than of carbon-containing molecules. One of the most important compounds is water, containing the properties of being a unique medium for biological chemistry and life, the source of all the dioxygen in the atmosphere, and the moderator of the earth's climate. Sawyer first introduces the biological origins of dioxygen and role of dioxygen in aerobic biology and oxidative metabolism, and in separate chapters discusses the oxidation-reduction thermodynamics of oxygen species, and the nature of the bonding for oxygen in its compounds. Additional chapters focus on the reactivities of specific oxygen compounds. The book will be of interest to chemists and biochemists, as well as graduate students, life scientists, and medical researchers.

Oxygen Free Radicals in Tissue Damage

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Publisher : Springer Science & Business Media
ISBN 13 : 1461598400
Total Pages : 306 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Oxygen Free Radicals in Tissue Damage by : TARR,M.

Download or read book Oxygen Free Radicals in Tissue Damage written by TARR,M. and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Oxygen free radicals and other reactive oxygen species are being postulated as causal agents in an increasing number of pathological conditions. Indeed, some investigators are suggesting that highly destructive reactive oxygen species are the final common path lead ing to tissue damage following a wide variety of insults including trauma, hypoxia, ischemia, hyperoxia, radiation, some toxins, and even strenuous athletic pursuits. But, as Robert Floyd points out, "Proof of the importance of oxygen free radicals and the oxidative damage they initiate depend on unequivocal evidence for the pres ence of free radicals and a clear association of their formation with the induction of the dysfunction of pathological conditions. " Since such proof does not come easily, there have been and will continue to be many controversies regarding the role played by reactive oxygen species in tissue damage. There have been many recent reviews of the chemistry and pos sible role of reactive oxygen species in many types of organ dys functions, tissue damage, degenerative diseases, and aging. This book is not such a review. Rather it presents for a diverse audience of physical-organic chemists, biochemists, medical researchers, and other investigators of pathophysiology, discussions of a variety of is sues important for understanding reactive oxygen species and their role in tissue damage.