Literature DB >> 26449961

Ratiometically Fluorescent Sensing of Zn(II) Based on Dual-Emission of 2-Pyridylthiazole Derivatives.

Ming-Hua Zheng1, Xiang Hu1, Ming-Yang Yang1, Jing-Yi Jin2.   

Abstract

A new fluorophore, 4-methyl-2-(2-pyridyl)-5-(2-thiophenyl)thiazole (2-PTT), was reported as a ratiometically fluorescent sensor of zinc(II) based on dual-emission with selectivity and sensitivity. Two emission bands at 440 and 497 nm were observed before and after addition of zinc(II), respectively. Job's plot disclosed the 1:1 stoichiometry between 2-PTT and zinc(II). The binding constant was evaluated as 2.09 × 10(5) M(-1) based on fluorescence titration experiment.

Entities:  

Keywords:  2-Pyridylthiazole; Fluorescence; Ratiometic sensor; Zinc ion

Year:  2015        PMID： 26449961     DOI： 10.1007/s10895-015-1675-1

Source DB:  PubMed          Journal:  J Fluoresc        ISSN： 1053-0509            Impact factor:   2.217


  14 in total

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  3 in total

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3.  Fluorescent Sensing of both Fe(III) and pH Based on 4-Phenyl-2-(2-Pyridyl)Thiazole and Construction of OR Logic Function.

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