Free Radicals

Author : Michael Brooks
Publisher : Profile Books
Page : 291 pages
File Size : 51,7 Mb
Release : 2011-07-07
Category : Science
ISBN : 9781847654496

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Free Radicals by Michael Brooks Pdf

For more than a century, science has cultivated a sober public image for itself. But as bestselling author Michael Brooks explains, the truth is very different: many of our most successful scientists have more in common with libertines than librarians. This thrilling exploration of some of the greatest breakthroughs in science reveals the extreme lengths some scientists go to in order to make their theories public. Fraud, suppressing evidence and unethical or reckless PR games are sometimes necessary to bring the best and most brilliant discoveries to the world's attention. Inspiration can come from the most unorthodox of places, and Brooks introduces us to Nobel laureates who get their ideas through drugs, dreams and hallucinations. Science is a highly competitive and ruthless discipline, and only its most determined and passionate practitioners make headlines - and history. To succeed, knowledge must be pursued by any means: in science, anything goes. 'Brooks is an exemplary science writer' William Leith, Daily Telegraph

Author : Donald Armstrong
Publisher : Springer Science & Business Media
Page : 461 pages
File Size : 43,9 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 : Ismail Laher
Publisher : Springer
Page : 0 pages
File Size : 53,6 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 : Vibha Rani,Umesh Chand Singh Yadav
Publisher : Springer
Page : 427 pages
File Size : 40,6 Mb
Release : 2014-11-14
Category : Science
ISBN : 9788132220350

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Free Radicals in Human Health and Disease by Vibha Rani,Umesh Chand Singh Yadav Pdf

The role of oxidative stress in human disease has become an area of intense interest. Free radicals, a normal product of metabolism, exist in all aerobic cells in balance with biochemical antioxidants. Environmental stress increases the levels of free radicals drastically, thereby disturbing the equilibrium between free radical production and the antioxidant capability causing oxidative stress. Over the years, ROS has been implicated in the pathologies of various diseases like cancer, neurological disorder, cardiovascular diseases rheumatoid arthritis, diabetes etc. This book provides an in depth critical state-of-art reviews from established investigators on free radicals, ROS associated pathogenesis of human diseases, biomarkers of oxidative damage, antioxidants, phytonutrients and other related health concerns of modern society. The present book is aimed at graduate students, researchers in academia, industry and clinicians with the interest in redox biology. Special attention has been devoted to the topic of ROS signalling, oxidative stress induced human pathologies & antioxidative therapies. The book consists of four parts in specified topics based on the current literatures for the better understanding of the readers with respect to their subject-wise interests. The first section of the book provides an overview about the ROS production and their measuring tools and techniques followed by the mechanisms involved in the oxidative stress in the second section. The third section describes the involvement of oxidative stress in different human diseases and the last section focuses on the different strategies to ameliorate oxidative stress induced stress.

Author : Barry Halliwell,John M. C. Gutteridge
Publisher : Oxford University Press
Page : 961 pages
File Size : 44,6 Mb
Release : 2015
Category : Science
ISBN : 9780198717478

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

Free Radicals in Biology and Medicine has become a classic text in the field of free radical and antioxidant research. Now in its fifth edition, the book has been comprehensively rewritten and updated whilst maintaining the clarity of its predecessors. Two new chapters discuss 'in vivo' and 'dietary' antioxidants, the first emphasising the role of peroxiredoxins and integrated defence mechanisms which allow useful roles for ROS, and the second containing new information on the role of fruits, vegetables, and vitamins in health and disease. This new edition also contains expanded coverage of the mechanisms of oxidative damage to lipids, DNA, and proteins (and the repair of such damage), and the roles played by reactive species in signal transduction, cell survival, death, human reproduction, defence mechanisms of animals and plants against pathogens, and other important biological events. The methodologies available to measure reactive species and oxidative damage (and their potential pitfalls) have been fully updated, as have the topics of phagocyte ROS production, NADPH oxidase enzymes, and toxicology. There is a detailed and critical evaluation of the role of free radicals and other reactive species in human diseases, especially cancer, cardiovascular, chronic inflammatory and neurodegenerative diseases. New aspects of ageing are discussed in the context of the free radical theory of ageing. This book is recommended as a comprehensive introduction to the field for students, educators, clinicians, and researchers. It will also be an invaluable companion to all those interested in the role of free radicals in the life and biomedical sciences.

Author : Neville A. Punchard,Frank J. Kelly
Publisher : IRL Press
Page : 344 pages
File Size : 45,7 Mb
Release : 1996
Category : Antioxidants
ISBN : UOM:39015038155837

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Free Radicals by Neville A. Punchard,Frank J. Kelly Pdf

With the recognition that oxygen and nitrogen radicals are involved in normal cell metabolism, free radical research has begun to feature in most disciplines in the life sciences. Increasingly, their implication in a number of human disease processes is being accepted, altough conclusive evidence is lacking in many instances, partly due to the difficulties in detecting and measuring free radicals that have lifetimes measured in microseconds. This book outlines the latest techniques for quantifying radicals and their effects, and features detailed protocols, hints, and tips for success, troubleshooting comments, sample data, and key literature citations.

Author : Zsolt Radák
Publisher : Human Kinetics
Page : 286 pages
File Size : 51,7 Mb
Release : 2000
Category : Health & Fitness
ISBN : 0880118814

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Free Radicals in Exercise and Aging by Zsolt Radák Pdf

Explore the emerging field of free radical biology, exercise, and aging with this definitive reference. Free Radicals in Exercise and Agingaddresses the current debate regarding whether free radicals released during exercise accelerate the aging process. It explains how free radicals can serve as important regulators of aerobic processes, and it clarifies the importance of exercise in increasing the efficiency of the antioxidant and oxidative repair systems. Mounting research data indicate that free radicals are involved in a variety of physiological and pathophysiological processes. This book focuses on exercise-induced adaptation. In general, a person's ability to adapt to internal and external changes decreases during the aging process. However, by continually exposing the body to different challenges, regular exercise triggers an adaptation process that keeps the body and mind fit. Free Radicals in Exercise and Agingelucidates the role of free radical species in regulating this process. This text is also one of the first to provide an in-depth review of skeletal muscle oxidative stress and aging. This issue is pivotal because muscle serves such a critical role in mobility and normal life. Free Radicals in Exercise and Aging shares the most current understanding of how reactive oxygen species influence the biology of skeletal muscles. It explores some of the unique characteristics that skeletal muscle displays during aging, both in terms of free radical production and with regard to antioxidant systems. The implications of this research are far-reaching. Mutation of DNA is linked very closely to cancer, and if regular exercise improves the regulation of the antioxidant systems and the oxidative damage repair system, these mechanisms may be a very important tool against this deadly disease. This research-oriented text presents the latest information on the subject. It reviews and critiques current literature and provides critical information for exercise physiologists, sports medicine specialists, sport nutritionists, and gerontologists.

Author : A. Favier,J. Cadet,B. Kalyanaraman,M. Fontecave,J.L. Pierre
Publisher : Birkhäuser
Page : 314 pages
File Size : 41,8 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 : Steven Baskin,Harry Salem
Publisher : Routledge
Page : 493 pages
File Size : 49,8 Mb
Release : 2017-11-01
Category : Medical
ISBN : 9781351426220

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Oxidants, Antioxidants And Free Radicals by Steven Baskin,Harry Salem Pdf

This volume collates articles investigating antioxidant, oxidant and free radical research. It examines the role of such research in health and disease, particulary with respect to developing greater understanding about the many interactions between oxidants and antioxidants, and how such substances may act as natural protectants and /or natural toxicants.

Author : Manfred Lamprecht
Publisher : CRC Press
Page : 304 pages
File Size : 51,8 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 : Clemens Sonntag
Publisher : Springer Science & Business Media
Page : 523 pages
File Size : 41,6 Mb
Release : 2006-03-20
Category : Science
ISBN : 9783540305927

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Free-Radical-Induced DNA Damage and Its Repair by Clemens Sonntag Pdf

The free-radical chemistry of DNA had been discussed in some detail in 1987 in my book The Chemical Basis of Radiation Biology. Obviously, the more recent developments and the concomitant higher level of understanding of mechanistic details are missing. Moreover, in the living cell, free-radical DNA damage is not only induced by ionizing radiation, but free-radical-induced DNA damage is a much more general phenomenon. It was, therefore, felt that it is now timely to review our present knowledge of free-radical-induced DNA damage induced by all conceivable free-radical-generating sources. Originally, it had been thought to include also a very important aspect, the repair of DNA damage by the cell’s various repair enzymes. Kevin Prise (Cancer Campaign, Gray Laboratory, L- don) was so kind to agree to write this part. However, an adequate description of this strongly expanding area would have exceeded the allocated space by much, and this section had to be omitted. The directors of the Max-Planck-Institut für Strahlenchemie (now MPI für Bioanorganische Chemie), Karl Wieghardt and Wolfgang Lubitz, kindly allowed me to continue to use its facilities after my retirement in 2001. Notably, our - brarian, Mrs. Jutta Theurich, and her right-hand help, Mrs. Rosemarie Schr- er, were most helpful in getting hold of the literature. I thank them very much. Without their constant help, this would have been very difficult indeed.

Author : Malcolm D. Forbes
Publisher : John Wiley & Sons
Page : 300 pages
File Size : 55,6 Mb
Release : 2010-01-22
Category : Science
ISBN : 0470584106

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Carbon-Centered Free Radicals and Radical Cations by Malcolm D. Forbes Pdf

Covers the most advanced computational and experimental methods for studying carbon-centered radical intermediates With its focus on the chemistry of carbon-centered radicals and radical cations, this book helps readers fully exploit the synthetic utility of these intermediates in order to prepare fine chemicals and pharmaceutical products. Moreover, it helps readers better understand their role in complex atmospheric reactions and biological systems. Thoroughly up to date, the book highlights the most advanced computational and experimental methods available for studying and using these critically important intermediates. Carbon-Centered Free Radicals and Radical Cations begins with a short history of the field of free radical chemistry, and then covers: A discussion of the relevant theory Mechanistic chemistry, with an emphasis on synthetic utility Molecular structure and mechanism, focusing on computational methods Spectroscopic investigations of radical structure and kinetics, including demonstrations of spin chemistry techniques such as CIDNP and magnetic field effects Free radical chemistry in macromolecules Each chapter, written by one or more leading experts, explains difficult concepts clearly and concisely, with references to facilitate further investigation of individual topics. The authors were selected in order to provide insight into a broad range of topics, including small molecule synthesis, polymer degradation, computational chemistry as well as highly detailed experimental work in the solid, liquid, and gaseous states. This volume is essential for students or researchers interested in building their understanding of the role of carbon-centered radical intermediates in complex systems and how they may be used to develop a broad range of useful products.

Author : Francis Owen Rice,Kitty Kempner Rice
Publisher : Unknown
Page : 216 pages
File Size : 48,5 Mb
Release : 1935
Category : Science
ISBN : UOM:39015078677005

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The Aliphatic Free Radicals by Francis Owen Rice,Kitty Kempner Rice Pdf

Author : Barry Halliwell,John M. C. Gutteridge
Publisher : Oxford University Press, USA
Page : 568 pages
File Size : 47,6 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 : Rao M. Uppu,Subramanyam N. Murthy,William A. Pryor,Narasimham L. Parinandi
Publisher : Humana Press
Page : 480 pages
File Size : 53,7 Mb
Release : 2012-04-06
Category : Science
ISBN : 1617796832

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Free Radicals and Antioxidant Protocols by Rao M. Uppu,Subramanyam N. Murthy,William A. Pryor,Narasimham L. Parinandi Pdf

This cutting-edge and updated book offers methods for the rapid detection of RONs and redox stress. It includes in-depth analysis of natural and synthetic antioxidants, and also of DNA oxidation, oxidative lipidomics, and biomarkers.