A Zn2+ specific triazole based calix[4]arene conjugate (L) as a fluorescence sensor for histidine and cysteine in HEPES buffer milieu

被引：35
作者：
Pathak, Rakesh Kumar [1 ]
Tabbasum, Khatija [1 ]
Rai, Ankit [2 ]
Panda, Dulal [2 ]
Rao, Chebrolu Pulla [1 ,2 ]
机构：
[1] Indian Inst Technol, Dept Chem, Bioinorgan Lab, Mumbai 400076, Maharashtra, India
[2] Indian Inst Technol, Dept Biosci & Bioengn, Mumbai 400076, Maharashtra, India
来源：
ANALYST | 2012年 / 137卷 / 17期
关键词：
EXCITATORY AMINO-ACIDS; SELECTIVE RECOGNITION; OXIDATIVE STRESS; METAL DETOXIFICATION; RECENT PROGRESS; ZINC; CALIXARENES; CHEMOSENSOR; DERIVATIVES; TRYPTOPHAN;
D O I：
10.1039/c2an35740b
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A highly fluorescent Zn2+ complex of the triazole linked salicyl-imino-thiophenyl conjugate of calix[4] arene, [ZnL] has been demonstrated to be a chemo-sensing ensemble for the recognition of His and Cys among the naturally occurring amino acids in HEPES buffer milieu. The recognition behaviour of the [ZnL] towards these amino acids has been shown on the basis of fluorescence, absorption and visual fluorescent colour changes. The species of recognition were shown by ESI MS titrations, AFM & TEM microscopy and cell studies.
引用
收藏
页码：4069 / 4075
页数：7
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