CHARACTERIZATION BY ELECTROSPRAY-IONIZATION (ESI) MASS-SPECTROMETRY OF AN OLIGOMERIC, ANIONIC THIOMALATO-SILVER(I) COMPLEX SHOWING BIOLOGICAL-ACTIVITY

被引:44
作者
NOMIYA, K [1 ]
KONDOH, Y [1 ]
NAGANO, H [1 ]
ODA, M [1 ]
机构
[1] MEIJI MILK PROD CO LTD,MEIJI CELL TECHNOL CTR,ODAWARA,KANAGAWA 250,JAPAN
关键词
D O I
10.1039/c39950001679
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The tetrameric anionic species {Na-3[Ag(Htma)](4)}(-) (m/z = 1092.8; H(3)tma = thiomalic acid) is detected by negative-ion electrospray ionization (ESI) mass spectrometry as a stable constituent unit derived from an aqueous solution of the oligomeric thiomalato-silver(I) complex, recently isolated and characterized as {Na[As(Htma)] . 0.5H(2)O}(n) (n = 24-34) 1, which displays antimicrobial activity against selected bacteria, yeast and moulds.
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页码:1679 / 1680
页数:2
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