Analysis Of Free Radicals In Biological Systems

Author : A. Favier,J. Cadet,B. Kalyanaraman,M. Fontecave,J.L. Pierre
Publisher : Birkhäuser
Page : 314 pages
File Size : 44,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783034890748

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Analysis of Free Radicals in Biological Systems by A. Favier,J. Cadet,B. Kalyanaraman,M. Fontecave,J.L. Pierre Pdf

"Oxidative stress" is used as the generic term describing the involve ment of reactive oxygen species in various human diseases. The scope of such a topic is becoming increasingly wide. The recent interest in radicals such as nitric oxide and the discovery of new mechanisms such as the effect of free radicals on redox sensitive proteins and genes are enlarging our understanding of the physiological role of free radicals. Oxidative stress is involved in numerous pathological. processes such as ageing, respiratory or cardiovascular diseases, cancer, neurological pathologies such as dementia or Parkinson's disease. It still remains difficult, however, to demonstrate by chemical measurement the in vivo production of free radicals and even more to realise their speciation. Therefore, the development of new tools and indicators is engrossing many researchers working in this field. Reliable indicators are abso lutely necessary not only to monitor the evolution of oxidative stress in patients but also to evaluate the efficiency of new antioxidant treat ments. The French Free radical club of Grenoble, the CERLIB has been involved for many years in the organisation of international training programs on methodology, in order to provide both theoretical and practical help to researchers from various countries. Such training sessions have been highly successful and participants value the oppor tunity to learn reliable techniques. This positive echo explains why the researchers of CERLIB decided, with the help of Prof. Dr. B. Kalyanaraman, to publish selected techniques on free radical re search.

Author : Roberfroid
Publisher : CRC Press
Page : 292 pages
File Size : 43,7 Mb
Release : 1994-12-14
Category : Medical
ISBN : 0824795873

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Free Radicals and Oxidation Phenomena in Biological Systems by Roberfroid Pdf

This work offers an analysis of the biological processes mediated by free radicals, from a toxicological point of view, providing easy access to information in an integrated, coherent presentation. The chemistry and biochemistry of all principal types of radical are explained, and the multiple forms in whch radicals participate in living organisms are investigated.;This work should be of use to biochemists, pharmacologists, pharmaceutical researchers, food scientists and technologists, nutritionists, toxicologists, chemists, biologists and graduate students in these disciplines.

Author : Ismail Laher
Publisher : Springer
Page : 0 pages
File Size : 47,7 Mb
Release : 2014-06-16
Category : Medical
ISBN : 3642300170

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Systems Biology of Free Radicals and Antioxidants by Ismail Laher Pdf

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.

Author : A.T. Diplock,M.C.R. Symons,C.A. Rice-Evans
Publisher : Elsevier
Page : 290 pages
File Size : 40,6 Mb
Release : 1991-12-11
Category : Science
ISBN : 0080858910

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Techniques in Free Radical Research by A.T. Diplock,M.C.R. Symons,C.A. Rice-Evans Pdf

Free radical species are generally short-lived due to their high reactivity and thus direct measurement and identification are often impossible. ESR is the only technique which has the potential for direct detection of radicals but in biological systems even these must be trapped by a spin-trapping agent. Thus most investigations involve recognition of indicators of the presence of radicals in vivo or "FOOTPRINTS" of radical-mediated damage. Techniques in Free Radical Research assembles and critically assesses the most relevant and reliable experimental approaches used towards the measurement of radicals and radical-mediated damage in chemical systems, in cells and in tissues under the following six headings: a) Footprints of DNA damage, b) Footprints of protein damage, c) Footprints of lipid peroxidation, d) Footprints of antioxidant consumption, e) Footprints via indirect radical assays, and f) Footprints via the availability of transition metal complexes.

Author : Paul D. Prenzler,Danielle Ryan,Kevin Robards
Publisher : Royal Society of Chemistry
Page : 537 pages
File Size : 44,9 Mb
Release : 2021-10-20
Category : Medical
ISBN : 9781839161551

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Handbook of Antioxidant Methodology by Paul D. Prenzler,Danielle Ryan,Kevin Robards Pdf

Addressing a number of the controversies on antioxidant testing methods, this book provides guidance on what methods are most appropriate for different situations, how results are interpreted and what can be inferred from the data.

Author : Donald Armstrong
Publisher : Springer Science & Business Media
Page : 461 pages
File Size : 40,9 Mb
Release : 2012-12-06
Category : Medical
ISBN : 9781461518334

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Free Radicals in Diagnostic Medicine by Donald Armstrong Pdf

An International Syaposiua on Free Radicals in Diagnostic Medicine was co-sponsored by the state University of New York at Buffalo, Roswell Park Cancer Institute, and the Upstate NY Section of the American Association of Clinical Chemistry. The theme was "A Systems Approach To Laboratory Technology, Clinical Correlations And Antioxidant Therapy." The symposium was held on October 7-8, 1993 at the Hyatt Hotel and on October 9 at Roswell Park Cancer Institute, Buffalo, New York. This proceedings volume contains chapters from platform presentations, poster sessions and from invited special lectures in the areas of basic science, clinical applications and efficacy of treatment. A Special Lecture on the relevance of free radical analysis to clinical medicine was presented by Professor Kunio Yagi of Japan. The Yagi procedure to measure thiobarbituric acid (TBA) reaction reflects the amount of reactive substances, lipid peroxides and aldehydes, in the sample. For example, normal subjects will have less than 4 nmol/ml of serum lipid peroxides, while a person with diabetes generally has equal or greater than 5.0 and a diabetic person with vascular complications often exceeds 7.5 nmol/ml. Serum TBA is a clinically important measure that relates to aging, gender and estrogen as an antioxidant, in the prognosis for vascular disorders, and in pathological conditions relative to the amount of lipid peroxidation. The BASIC SCIENCES portion of the program examined: "Mechanisms of Action, Pathophysiology and Laboratory Tests" in six presentations.

Author : William Pryor
Publisher : Elsevier
Page : 304 pages
File Size : 40,5 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323156820

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Free Radicals in Biology V1 by William Pryor Pdf

Free Radicals in Biology, Volume 1, provides an introduction to some of the basic concepts of free radical biology. The book emerged from the President's Symposium of the American Society for Experimental Pathology held in Atlantic City in April 1970. The book's opening chapter introduces a mechanistic view of free radical reactions using examples from biological systems. This is followed by a discussion of autoxidative damage to lipids in membranes. Some of the special chemistry of lipid oxidation are presented, and a number of novel ideas are suggested. The third chapter deals with the uses of electron-spin resonance in biology. Spin labeling is also discussed, which is one of the most useful methods of probing the chemical and physical environment of molecules in cells. The remaining chapters cover free radicals which occur in photosynthesis and the importance of the enzyme, superoxide dismutase. The study of the occurrence and reactions of this enzyme provides an important and extensive body of data clearly pointing to the significance of free radicals in cellular chemistry.

Author : Lawrence J. Berliner,Narasimham L. Parinandi
Publisher : Springer Nature
Page : 237 pages
File Size : 52,6 Mb
Release : 2020-08-08
Category : Science
ISBN : 9783030473181

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Measuring Oxidants and Oxidative Stress in Biological Systems by Lawrence J. Berliner,Narasimham L. Parinandi Pdf

This book describes the methods of analysis and determination of oxidants and oxidative stress in biological systems. Reviews and protocols on select methods of analysis of ROS, RNS, oxygen, redox status, and oxidative stress in biological systems are described in detail. It is an essential resource for both novices and experts in the field of oxidant and oxidative stress biology.

Author : Barry Halliwell,John M. C. Gutteridge
Publisher : Oxford University Press, USA
Page : 568 pages
File Size : 54,6 Mb
Release : 1989
Category : Biochemistry
ISBN : UCSC:32106009290187

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Free Radicals in Biology and Medicine by Barry Halliwell,John M. C. Gutteridge Pdf

"This latest edition has been comprehensively rewritten and updated (over 80% of the text is new), whilst maintaining the clarity of its predecessor. There is expanded 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. Greater emphasis has also been placed on the methods available to measure reactive species and oxidative damage (and their potential pitfalls), as well as the importance of antioxidants in the human diet." "This book is recommended as a comprehensive introduction to the field for students, clinicians and researchers, and an invaluable companion to all those interested in the role of free radicals in the life and medical sciences."--BOOK JACKET.

Author : Alex Sevanian
Publisher : The American Oil Chemists Society
Page : 272 pages
File Size : 53,9 Mb
Release : 1988
Category : Science
ISBN : 0935315187

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Lipid Peroxidation in Biological Systems by Alex Sevanian Pdf

Author : N. Russo,Jane Anastassopoulou,Guido Barone
Publisher : Springer Science & Business Media
Page : 411 pages
File Size : 43,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401108225

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Properties and Chemistry of Biomolecular Systems by N. Russo,Jane Anastassopoulou,Guido Barone Pdf

During the last decade, interest in the chemistry of biological systems, as well as in molecular chemical engineering, has grown considerably. Many fields in modern chemistry are contributing to a better understanding of elementary mechanisms of various biological processes and this has resulted in the development of new classes of organic and organometallic compounds with specific and high biological activity. Such a multidisciplinary approach creates opportunities for an exchange of ideas and the need to create a common language. This volume contains a collection of papers, written by leading scientists which collectively provide a rich overview of current research activities relating to the chemistry of biological systems. These papers emphasize the interdisciplinary nature of this research. For researchers in academia and industry whose work involves the chemistry and properties of biomolecular systems.

Author : Edwin N. Frankel
Publisher : Elsevier
Page : 488 pages
File Size : 48,6 Mb
Release : 2014-01-23
Category : Science
ISBN : 9780857097927

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Lipid Oxidation by Edwin N. Frankel Pdf

In this second edition, Edwin Frankel has updated and extended his now well-known book Lipid oxidation which has come to be regarded as the standard work on the subject since the publication of the first edition seven years previously. His main objective is to develop the background necessary for a better understanding of what factors should be considered, and what methods and lipid systems should be employed, to achieve suitable evaluation and control of lipid oxidation in complex foods and biological systems. The oxidation of unsaturated fatty acids is one of the most fundamental reactions in lipid chemistry. When unsaturated lipids are exposed to air, the complex, volatile oxidation compounds that are formed cause rancidity. This decreases the quality of foods that contain natural lipid components as well as foods in which oils are used as ingredients. Furthermore, products of lipid oxidation have been implicated in many vital biological reactions, and evidence has accumulated to show that free radicals and reactive oxygen species participate in tissue injuries and in degenerative disease. Although there have been many significant advances in this challenging field, many important problems remain unsolved. This second edition of Lipid oxidation follows the example of the first edition in offering a summary of the many unsolved problems that need further research. The need to understand lipid oxidation is greater than ever with the increased interest in long-chain polyunsaturated fatty acids, the reformulation of oils to avoid hydrogenation and trans fatty acids, and the enormous attention given to natural phenolic antioxidants, including flavonoids and other phytochemicals.

Author : Manfred Lamprecht
Publisher : CRC Press
Page : 304 pages
File Size : 55,9 Mb
Release : 2014-09-17
Category : Medical
ISBN : 9781466567573

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Antioxidants in Sport Nutrition by Manfred Lamprecht Pdf

The use of antioxidants in sports is controversial due to existing evidence that they both support and hinder athletic performance. Antioxidants in Sport Nutrition covers antioxidant use in the athlete ́s basic nutrition and discusses the controversies surrounding the usefulness of antioxidant supplementation. The book also stresses how antioxidants may affect immunity, health, and exercise performance. The book contains scientifically based chapters explaining the basic mechanisms of exercise-induced oxidative damage. Also covered are methodological approaches to assess the effectiveness of antioxidant treatment. Biomarkers are discussed as a method to estimate the bioefficacy of dietary/supplemental antioxidants in sports. This book is useful for sport nutrition scientists, physicians, exercise physiologists, product developers, sport practitioners, coaches, top athletes, and recreational athletes. In it, they will find objective information and practical guidance.

Author : William Pryor
Publisher : Elsevier
Page : 371 pages
File Size : 43,6 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323153720

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Free Radicals in Biology V4 by William Pryor Pdf

Free Radicals in Biology, Volume IV reviews diverse topics in free radical biology and covers topics ranging from radiation biology to lipid peroxidation, radical-mediated liver pathology, and chemical carcinogenesis. Radical mechanisms in prostaglandin biochemistry are also discussed, along with the use of electron spin resonance and spin trap methods to probe mechanisms of radical reactions in biological systems. Comprised of 10 chapters, this volume begins with an overview of the mechanisms of lipid peroxidation, focusing on the chemistry of fluorescent products from in vivo lipid peroxidation; the production of pentane in the expired breath of animals exposed to oxidative threats; and the chemistry of the enzyme glutathione peroxidase. The next chapter is devoted to the kinetic aspects of lipid peroxidation and the multiple ways in which autoxidants can react. The reader is then introduced to the mechanisms of hepatoxicity by synthetic chemicals present in the environment, together with direct mechanisms of radiation damage to nucleic acids. Subsequent chapters deal with spin trapping in biological systems; the role of free radicals in arylamine carcinogenesis and their influence on the structure and reactivity of melanins; and the involvement of vitamin ? and lipid antioxidants in free-radical-initiated reactions. This book will be of value to chemists, biologists, and physicians.

Author : Etsuo Niki
Publisher : Royal Society of Chemistry
Page : 284 pages
File Size : 49,9 Mb
Release : 2019-02-04
Category : Medical
ISBN : 9781788017336

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Vitamin E by Etsuo Niki Pdf

Vitamin E was discovered in 1922 by Evans and Bishop as an essential micronutrient for reproduction in rats. The active substance was isolated in 1936 by Evans and was named tocopherol, although the tocopherols and tocotrienols are actually a group of eight isomeric molecules that are characterized by a chromanol ring structure and a side chain. Providing an overview of the state-of-the-art of the chemistry of vitamin E, this book reflects the issues stemming from the complexity of the role and actions in vivo as well as in vitro. It summarizes information on the properties and function of vitamin E, the current understanding of the advantages and limitations of it, and also its application in promotion of health and prevention of diseases. Based on sound, solid scientific evidence, this is a timely addition to the literature as the centennial anniversary of the discovery of this important vitamin approaches.