A chemodosimeter with high selectivity for ratiometric detection of mercury ions in buffer solution. (28th April 2023)

• Record Type: Journal Article
• Authors: Xiao, Na; Xu, Hai; Liu, Yang; Tian, Yang; Tan, Rui; Peng, Yu; Wang, Ya-Wen
• Is Part Of: Tetrahedron letters. Volume 120(2023)
• Publication Date: 2023-04-28
• Subjects: Chemodosimeter -- Mercury(II) -- Ratiometric -- Chinese medicinal material; Chemistry, Organic -- Periodicals; 547.005
• DOI: 10.1016/j.tetlet.2023.154435
• Languages: English
• ISSNs: 0040-4039

Abstract

Graphical abstract: Abstract: A new isophorone-based chemodosimeter was designed and synthesized for a rapid, ratiometric and selective detection of Hg 2+ ions in buffer solution. Hg 2+ ions promoted the deprotection of the dithioacetal group of probe SWJT-11, leading to a red shift from 574 nm to 636 nm in its fluorescence spectrum, which also accompanied the change of solution color from yellow to pale yellow. The probe toward Hg 2+ ions presented a good linear relationship in the 0–10.0 μM concentration range, with the LOD of 0.2 μM. In addition, the probe has been successfully used to detect Hg 2+ ions in test strips and Chinese medicinal materials.