redox

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redox

(rē`dŏks): see oxidation and reductionoxidation and reduction,
complementary chemical reactions characterized by the loss or gain, respectively, of one or more electrons by an atom or molecule. Originally the term oxidation
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References in periodicals archive ?
But the presence of alkaline earth and other metal ions ([Cd.sup.2+], [Fe.sup.2+], [Pb.sup.2+], and [Zn.sup.2+]) alters both the reduction/oxidation peak potentials and currents of AQCD, which is different behavior in the presence of [Cu.sup.2+] in terms of redox chemistry of anthraquinone unit.
Kim, "Control of the stoichiometry in host-guest complexation by redox chemistry of guests: inclusion of methylviologen in cucurbit[8]uril," Chemical Communications, vol.
Guo T, Delaune RD, Patrick WH, Jr (1997a) The influence of sediment redox chemistry on chemically active forms of arsenic, cadmium, chromium, and zinc in estuarine sediment.
Biolog MicroPlates monitor cell respiration: When a cell can use a nutrient present in one of the 96 wells of the MicroPlate, the organism will begin to respire, creating a by-product that oxidizes a tetrazolium dye used in Biolog's patented redox chemistry. The microbes will create characteristic patterns in the wells of the MicroPlate.
The first volume, Synthesis and Supramolecular Systems, explores such topics as new reactivity in fullerene chemistry, perfluoroalkylation of fullerenes, metallic oxide clusters in fullerene cages, solubilized carbon nanotubes and their redox chemistry, the covalent functionalization and characterization of carbon nanotubes, and porphyrin-fullerene supramolecular chemistry.
Transition metals, such as ferrous iron ([Fe.sup.2+]) or cuprous copper ([Cu.sup.1+]), play a pivotal role in cellular redox chemistry by reducing [H.sub.2][O.sub.2] to the highly toxic O[H.sup.*] radical (Fenton catalysis).
The AN MicroPlate performs 95 discrete tests simultaneously with the same patented redox chemistry used in other Biolog MicroPlates.
A fourth means by which microporosity may influence soil microbial processes relates to its influence on soil aeration and redox chemistry, principally by modifying rates of diffusion.