نتایج جستجو برای: n methyl n nitrosourea
تعداد نتایج: 1047583 فیلتر نتایج به سال:
Mouse blastocysts were exposed in vitro to various concentrations of N-methyl-N-nitrosourea and 3-methylcholanthrene. The incorporation of [3H]thymidine, [3H]uridine, and [3H]leucine into the exposed blastocysts was determined either immediately following exposure or after 18 hr of culture. The concentrations of N-methyl-N-nitrosourea or 3-methylcholanthrene used had no effect on blastocyst via...
تعدادی از کمپلکس های باز شیف محلول در آب n,n?-bis{5[(triphenylphosphoniumchloride)-methyl]salicylidine}-4-methyl-o-phenylenediamine]copper(??) ([cu(5-ch2pph3-4-methyl-1,2-salophen)](clo4)2), n,n?-bis{5-[(triphenylphosphoniumchloride)-methyl]salicylidine}-4-methyl-o-phenylenediamine]nickel(??) ([ni(5-ch2pph3-4-methyl-1,2-salophen)](clo4)2), و کمپلکس های نانو باز شیف محلول در آب n,n?-bis{5...
Toxic and mutagenic O6-alkylguanine adducts in DNA are repaired by O6-alkylguanine-DNA alkyltransferases (MGMT) by transfer of the alkyl group to a cysteine residue in the active site. Comparisons in silico of prokaryotes and lower eukaryotes reveal the presence of a group of proteins [alkyltransferase-like (ATL) proteins] showing amino acid sequence similarity to MGMT, but where the cysteine a...
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