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

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• 作者：Ming-Hua Zheng ; Xiang Hu ; Ming-Yang Yang ; Jing-Yi Jin
• 关键词：Fluorescence ; Zinc ion ; Ratiometic sensor ; 2 ; Pyridylthiazole
• 刊名：Journal of Fluorescence
• 出版年：2015
• 出版时间：November 2015
• 年：2015
• 卷：25
• 期：6
• 页码：1831-1834
• 全文大小：313 KB
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• 作者单位：Ming-Hua Zheng (1)
  Xiang Hu (1)
  Ming-Yang Yang (1)
  Jing-Yi Jin (1)
  
  1. Department of Chemistry, Yanbian University, Yanji City, Jilin Province, 133002, China
  
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Biomedicine
  Biomedicine
  Biophysics and Biomedical Physics
  Biotechnology
  Biochemistry
  Analytical Chemistry
  
• 出版者：Springer Netherlands
• ISSN：1573-4994

文摘

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?×-05 M? based on fluorescence titration experiment. Keywords Fluorescence Zinc ion Ratiometic sensor 2-Pyridylthiazole