منابع مشابه
Kinetic study of nickel-thiolate oxygenation by hydrogen peroxide. Implications for nickel-containing superoxide dismutase.
The rate of metal-thiolate oxygenation by hydrogen peroxide has been measured for a model complex of nickel-containing superoxide dismutase (NiSOD) as 0.47 ± 0.03 M(-1) s(-1) at 303 K. Under typical synthetic conditions the reaction proceeds within seconds yielding S-oxygenate products. At biologically relevant H(2)O(2) concentrations, half-life times extend to several hours or days. The result...
متن کاملHydrogen peroxide mediates activation of nuclear factor of activated T cells (NFAT) by nickel subsulfide.
Nickel compounds induce cell transformation in cell culture models and tumor formation in experimental animals. However, the molecular mechanisms by which nickel compounds induce tumors are not yet well understood. The present study found that exposure of cells to either Ni(3)S(2) or NiCl(2) could result in specific transactivation of nuclear factor of activated T cells (NFAT), although it did ...
متن کاملNickel hexacyanoferrate modified screen-printed carbon electrode for sensitive detection of ascorbic acid and hydrogen peroxide.
Electrochemically modified screen-printed carbon electrode (SPCE) has been prepared by electrodepositing nickel hexacyanoferrate(III) (NiHCF) onto the electrode surface using cyclic voltammetry (CV). The performance of NiHCF-SPCE sensor was characterized and optimized by controlling several operational parameters. The NiHCF film has been proven to remain stable after CV scanning from 0 to +1.0 ...
متن کاملNickel and Nickel Compounds
Synonyms, trade names, and molecular formulae for nickel, nickel alloys, and selected nickel compounds are presented in Table 1.1. This list is not exhaustive, nor does it necessarily reflect the commercial importance of the various nickel-containing substances, but it is indicative of the range of nickel alloys and compounds available, including some compounds that are important commercially, ...
متن کاملNickel and Nickel Compounds
cases and one of 290 con troIs in a hospital-based study between 1970 and 1980 in North Carolina and Virginia. Roush et aL. (1980) examined exposure to nickel, cutting oils and wood dust in a case-control study based on all sinonasal cancer deaths in Connecticut in 1935-75. Job titles were obtained from deaths certificates and city directories and were c1assified according to estimated airborne...
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ژورنال
عنوان ژورنال: Journal of Synthetic Organic Chemistry, Japan
سال: 1972
ISSN: 0037-9980,1883-6526
DOI: 10.5059/yukigoseikyokaishi.30.479