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Reactive species can be poisonous: Their role in toxicology

Barry Halliwell and John M.C. Gutteridge

in Free Radicals in Biology and Medicine

Published in print:
2015
Published Online:
October 2015
ISBN:
9780198717478
eISBN:
9780191802133
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198717478.003.0009
Subject:
Biology, Biochemistry / Molecular Biology, Disease Ecology / Epidemiology

This chapter describes the roles played by free radicals and other reactive species (RS) in toxicology, and whether antioxidants can protect. It begins with an overview of the metabolism of ... More


Redox Thermodynamics for Oxygen Species (O3, O2, HOO·, O2·, HOOH, HOO, O, O·, and HO); Effects of Media and pH

Donald T. Sawyer and R. J. P. Williams

in Title Pages

Published in print:
1992
Published Online:
November 2020
ISBN:
9780195057980
eISBN:
9780197560112
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195057980.003.0006
Subject:
Chemistry, Organic Chemistry

Biological systems activate ground-state dioxygen (3O2) for controlled energy transduction and chemical syntheses via electron-transfer and hydrogen-atomtransfer reduction to O2-, HOO·, and HOOH. ... More


Solute Interchange between Solid, Liquid, and Gas Phases in the Soil

Peter B. Tinker and Peter Nye

in Solute Movement in the Rhizosphere

Published in print:
2000
Published Online:
November 2020
ISBN:
9780195124927
eISBN:
9780197561324
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195124927.003.0007
Subject:
Earth Sciences and Geography, Soil Science

We noted in Chapter 1 that the concentration of solute in the soil solution is buffered by solute adsorbed on the soil surfaces. We also show in Chapter 4 that the overall mobility of ions is ... More


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