Last edited by Dirg
Monday, July 13, 2020 | History

5 edition of Superoxide Ion Chemistry and Biological Implications found in the catalog.

Superoxide Ion Chemistry and Biological Implications

by Igor B. Afanas"ev

  • 296 Want to read
  • 11 Currently reading

Published by CRC .
Written in English

    Subjects:
  • Biochemistry,
  • Science,
  • Molecular Biochemistry,
  • Science/Mathematics,
  • Life Sciences - Biophysics,
  • Life Sciences - Biochemistry,
  • Science / Chemistry / Organic,
  • Congresses,
  • Chemistry - Organic,
  • Active oxygen in the body,
  • Superoxide

  • The Physical Object
    FormatHardcover
    Number of Pages296
    ID Numbers
    Open LibraryOL8260619M
    ISBN 10084935451X
    ISBN 109780849354519

    Reactive oxygen species (ROS) such as superoxide radicals are responsible for the pathogenesis of various human diseases. ROS are generated during normal met-abolic process in all of the oxygen-utilizing organisms. The copper-zinc-containing SOD (SOD1) acts as a major defense against ROS by detoxifying the superoxide an-ion. Suggested Citation: "3 Chemistry and Analysis of Arsenic Species in Water and Biological Materials." National Research Council. Arsenic in Drinking Water. Washington, DC: The National Academies Press. doi: / In this chapter, the subcommittee describes the chemistry of arsenic and its analysis in water and biological materials.

    Interpretation: To determine the four general stages of the process by which biochemical energy is obtained from food. Concept introduction: Energy is required to complete the functions of our body and that energy is produced from the food that we ingest. Ingested food is converted into energy through various catabolic pathways. The general procedure for the production of energy through. Superoxide Explained. A superoxide is a compound that contains the superoxide ion, which has the chemical formula. The systematic name of the anion is dioxide(1-).The reactive oxygen ion superoxide is particularly important as the product of the one-electron reduction of dioxygen O 2, which occurs widely in nature. Molecular oxygen (dioxygen) is a diradical containing two unpaired electrons.

    A branch of chemistry that deals with the reactivity of the superoxide ion (O 2 −), a one-electron (e −) adduct of molecular oxygen (dioxygen; O 2) formed by the combination of O 2 and e −. Because 1–15% of the O 2 that is respired by mammals goes through the O 2 − oxidation state, the biochemistry and reaction chemistry of the species are important to those concerned with oxygen. Bioinorganic chemistry is a field that examines the role of metals in rganic chemistry includes the study of both natural phenomena such as the behavior of metalloproteins as well as artificially introduced metals, including those that are non-essential, in medicine and biological processes such as respiration depend upon molecules that fall within the realm of.


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Superoxide Ion Chemistry and Biological Implications by Igor B. Afanas"ev Download PDF EPUB FB2

Superoxide Ion Chemistry and Biological Implications 1st Edition by Igor B. Afanas'ev (Author) ISBN ISBN X. Why is ISBN important. ISBN. This bar-code number lets you verify that you're getting exactly the right version or edition of a book. Cited by: Superoxide Ion: Chemistry and Biological Implications: Medicine & Health Science Books @ Superoxide ion (O2(•-)) is of great significance as a radical species implicated in diverse chemical and biological systems.

However, the chemistry knowledge of O2(•-) is rather scarce. Superoxide ion (O2•–) is of great significance as a radical species implicated in diverse chemical and biological systems. However, the chemistry knowledge of O2•– is rather scarce.

In addition, numerous studies on O2•– were conducted within the latter half of the 20th century. Therefore, the current advancement in technology and instrumentation will certainly provide better Cited by: Books Book Series Online Platforms Open Access Books.

SALE ; Search. Enlarge Download. SAVE $ 1st Edition Superoxide Ion Chemistry and Biological Implications By Igor B. Afanas'ev. Hardback $ ISBN Published Aug by CRC Press Superoxide Ion Chemistry and Biological Implications. ISBN | Quantity. COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

Get this from a library. Superoxide ion: chemistry and biological implications. [Igor B Afanasʹev]. Revival: Superoxide Ion: Volume II (): Chemistry and Biological Implications - CRC Press Book The chemical properties of superoxide ion, its biological role, and the role of other oxygen radicals which arise as a result of its transformations are contained in this text.

Superoxide is the anionic form O2. It is important as the product of the one-electron reduction of dioxygen (oxygen gas), which occurs widely in nature.

With one unpaired electron, the superoxide ion is a free radical. It is also paramagnetic. The biological toxicity of superoxide is due to its capacity to inactivate iron-sulfur cluster.

A superoxide is a compound that contains the superoxide ion, which has the chemical formula O − 2. The systematic name of the anion is dioxide(1−).The reactive oxygen ion superoxide is particularly important as the product of the one-electron reduction of dioxygen O 2, which occurs widely in nature.

Molecular oxygen (dioxygen) is a diradical containing two unpaired electrons, and ChemSpider: Superoxide Ion by Igor B. Afanas'ev,available at Book Depository with free delivery worldwide.

Superoxide is generated by a number of enzymes in the course of their reaction cycles, but by far the greatest production of superoxide anion and the reactive oxygen species that can be derived from it is the respiratory chain within the mitochondria. SODs lower the levels of superoxide by catalysing the transformation of two superoxide ions into dioxygen and hydrogen peroxide.

Superoxide, which is an anion radical, is produced by the one-electron reduction of molecular oxygen. In aqueous media, protonation of superoxide can form the uncharged hydroperoxyl radical (HOO•), which exhibits a p K a ofmeaning that the anion radical form is by far the predominant species at physiological pH ranges.

A second. This article covers the properties and biological chemistry of superoxide radicals. We discuss the implications of these results for understanding the mechanism of conversion of the boronate Author: Christine Winterbourn. Abstract. This chapter reviews some of the fundamental physical and chemical properties of the OH/O-and HO 2 /O-2 radicals in aqueous solutions, their formation by chemical and physical methods, and their reactivity with some organic compounds and metal ions/metal complexes.

Whereas the OH radical is the strongest oxidant of the oxy-radicals, the HO 2 /O-2 species are not very reactive in the Cited by: This discovery and its implications transformed research on oxygen free radicals and anti-oxidants and their biological implications: There are greater t scientific papers published on the superoxide free radical and its functions in more than human by: Superoxide dismutase (SOD, EC ) is an enzyme that alternately catalyzes the dismutation (or partitioning) of the superoxide (O 2 −) radical into ordinary molecular oxygen (O 2) and hydrogen peroxide (H 2 O 2).Superoxide is produced as a by-product of oxygen metabolism and, if not regulated, causes many types of cell damage.

Hydrogen peroxide is also damaging and is degraded by other BRENDA: BRENDA entry. The hydroxyl radical, • OH, is the neutral form of the hydroxide ion (OH −).Hydroxyl radicals are highly reactive (easily becoming hydroxy groups) and consequently short-lived; however, they form an important part of radical chemistry.

Most notably hydroxyl radicals are produced from the decomposition of hydroperoxides (ROOH) or, in atmospheric chemistry, by the reaction of excited atomic CAS Number: 1.

Author(s): Afanas'ev,Igor B, Title(s): Superoxide ion: chemistry and biological implications/ author, Igor B. Afanas'ev. Country of Publication: United. Summary. In this article the physico-chemical properties and the chemical reactivities of dioxygen and its activated species are reviewed.

The understanding of this chemistry is an essential prerequisite for a comprehensive description of the reactions which are involved in the oxidative stress and, then, for the design of drugs capable of preventing the deleterious effects of active oxygen Cited by: 4.

Lipid Peroxidation: Chemical Mechanism, Biological Implications and Analytical Determination reactions and possess the ability to produce reactive radicals such as superoxide anion radical and nitric oxide in biological systems. Disruption of metal ion homeostasis leads to oxidative stress, a state with increased formation of reactive Cited by: Superoxide Reacts with Nitric Oxide to Nitrate Tyrosine at Physiological pH via Peroxynitrite* Received for publication, Decemand in revised form, J Published, JBC Papers in Press, JDOI /jbc.M Christopher D.

Reiter, Ru-Jeng Teng, and Joseph S. .Superoxide-nitric oxide interactions: oxidative reactions 5. Superoxide, Fenton chemistry and nitric oxide 6.

Conclusion 7. Acknowledgments 8. References 1. ABSTRACT Chronic inflammation is known to be associated with enhanced production of both nitric oxide (NO) and reactive oxygen species such as superoxide (O 2-) and hydrogen peroxide (H2O 2.