王鲲鹏   Associate professor

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Highly Sensitive and Selective Turn-on Fluorescent Probe for Hg2+ Based on Rhodamine 6G-Thiourea Conjugate

Release time:2021-03-15  Hits:

  • Key Words:Fluorescent probe; Rhodamine-6G derivative; Hg2+; Spirolactam opening
  • Abstract:An easily available novel fluorescent probe based on rhodamine 6G-thiourea conjugate (RGTU) has been synthesized. Upon mixed with Hg2+ in CH3CN-H2O (1:9, v/v), the dramatic enhancement of fluorescence intensity as well as the color change of the solution were observed. The presence of common coexisting alkali, alkaline earth, and transition metal ions showed small or no interference with the detection of Hg2+. The Job's plot and H-1 NMR spectra indicated that Hg2+ induced spirolactam open to form 1:1 complex between RGTU and Hg2+.
  • Volume:27
  • Issue:3
  • Translation or Not:no
Pre One: Organic salts formed by 2,4,6-triaminopyrimidine and selected carboxylic acids via a variety of hydrogen bonds: Synthons cooperation, and crystal structures
Next One: A highly Selective Fluorescent Chemosensor for Zn2+ Based on the Rhodamine Derivative Incorporating Coumarin Group

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