منابع مشابه
Mutagenicity of psoralen epoxides.
a Veterinary Toxicology and Entomology Research Laboratory, Agricultural Research, Science and Education Administration, U.S. Department o f Agriculture, College Station, TX 77840, b Western Regional Research Laboratory, Agricultural Research, Science and Education Administration, U.S. Department o f Agriculture, Berkeley, CA 94710, and c Department o f Entomology, University o f California, Ri...
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The mutagenicity of 17 aliphatic epoxides was determined using the specially constructed mutants of Salmonella typhimurium developed by Ames. The activity of these epoxides together with those reported in the literature as mutagens in strains TA100 and TA1535 depended on the degree of substitution around the oxirane ring. Monosubstituted oxiranes were the most potent mutagens in both strains. 1...
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BACKGROUND AND AIMS The aim of the present study was to compare the efficacy of quartz tungsten halogen (QTH) and light emitting diode (LED) curing lights on polymerization of resin composite. MATERIALS AND METHODS A hybrid resin composite was used to prepare samples which were cured using two QTH and ten LED light curing sources. Twelve groups, each containing ten samples, were prepared usin...
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Enantioselective desymmetrization of meso-aziridines and meso-epoxides with various nucleophiles by organocatalysis has emerged as a cutting-edge approach in recent years. This review summarizes the origin and recent developments of enantioselective desymmetrization of meso-aziridines and meso-epoxides in the presence of organocatalysts.
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A Ca2+-activated cysteine proteinase (calpain II) was purified from chicken gizzard smooth muscle by use of isoelectric precipitation, (NH4)2SO4 fractionation, chromatography on DEAE-Sepharose CL-6B, Reactive-Red 120-agarose and Mono Q. The apparent second-order rate constants for the inactivation of calpain by a series of structural analogues of L-3-carboxy-trans-2, 3-epoxypropionyl-leucylamid...
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ژورنال
عنوان ژورنال: Journal of Synthetic Organic Chemistry, Japan
سال: 1968
ISSN: 0037-9980,1883-6526
DOI: 10.5059/yukigoseikyokaishi.26.37