Small molecule "turn on" fluorescent probe for silver ion and application to bioimaging

被引：36

作者：

Bhuvanesh, N. ^{[1
]}

Suresh, S. ^{[1
]}

Kumar, P. Ram ^{[2
]}

Mothi, E. M. ^{[2
]}

Kannan, K. ^{[3
]}

Kannan, V. Rajesh ^{[3
]}

Nandhakumar, R. ^{[1
]}

机构：

[1] Karunya Univ, Dept Chem, Coimbatore 641114, Tamil Nadu, India

[2] PSN Coll Engn & Technol, Ctr Sci & Appl Res, Melathediyoor 627152, Tirunelveli, India

[3] Bharathidasan Univ, Dept Microbiol, Tiruchirappalli 620024, Tamil Nadu, India

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2018年 / 360卷

关键词：

Chemosensor; ICT; Thiophene; Silver ion; Water analysis; Bioimaging; CARBON-PASTE ELECTRODE; RATIOMETRIC CHEMOSENSOR; SELECTIVE DETECTION; QUANTUM DOTS; METAL IONS; GOLD; WATER; RECOGNITION; AG; PRECONCENTRATION;

D O I：

10.1016/j.jphotochem.2018.04.027

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A simple thiophene based fluorescent probe 1 was prepared for the detection of Ag+ in aqueous solution. Probe 1 exhibits high selectivity and sensitivity toward Ag+ as fluorescence "off-on" behavior in HEPES buffered MeOH-H2O (1:1, (v/v) HEPES = 50 mM, pH = 7.4) solution. The detection limit was calculated to be 1.28 x 10 -7 M with an association constant of 1.58 x 10(6) M-1 by fluorescence titration experiments. The probe was also demonstrated to detect Ag+ in real samples and in living cells.

引用

页码：6 / 12

页数：7

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