各种物质对比色法氨基酸-茚三酮反应的影响。
Effect of various substances on the colorimetric amino acid-ninhydrin reaction.
作者信息
D'Aniello A, D'Onofrio G, Pischetola M, Strazzullo L
出版信息
Anal Biochem. 1985 Feb 1;144(2):610-1. doi: 10.1016/0003-2697(85)90160-5.
PMID:3993921
Abstract
The effect of salts, acids, alkali, and buffer solutions on the color development of the Cd-ninhydrin-amino acid reaction has been investigated. Of the salt solutions examined only Cu2+ and Fe3+ interfered with the color yield. Very low concentrations of these ions were sufficient to drastically inhibit color development.
摘要
研究了盐、酸、碱和缓冲溶液对镉-茚三酮-氨基酸反应显色的影响。在所检测的盐溶液中，只有Cu2+和Fe3+会干扰显色。这些离子的极低浓度就足以显著抑制显色。
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