基于汞离子诱导的聚对苯二甲酰亚胺聚集用于半胱氨酸的高灵敏检测。
Specific Hg(2+)-mediated perylene bisimide aggregation for highly sensitive detection of cysteine.
机构信息
Department of Chemistry, College of Chemistry and Chemical Engineering, and the MOE Key Laboratory of Analytical Sciences, Xiamen University, Xiamen 361005, China.
出版信息
Chem Commun (Camb). 2010 Jul 21;46(27):4938-40. doi: 10.1039/c0cc00630k. Epub 2010 Jun 3.
PMID:20523936
Abstract
Hg(2+) was found to specifically induce the aggregation of perylene bisimide in a "thymine-Hg(2+)-thymine" binding motif and the resultant aggregates showed a highly selective and sensitive turn-on fluorescence response for cysteine, with a detection limit down to 9.6 nM.
摘要
汞离子（Hg(2+)）被发现能够特异性诱导并四苯二酰亚胺（perylene bisimide）在“胸腺嘧啶-Hg(2+)-胸腺嘧啶”结合基序中聚集，所得的聚集物对半胱氨酸表现出高度选择性和灵敏的荧光响应，检测限低至 9.6 nM。
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