In vitro and vivo application of a rhodanine-based fluorescence sensor for detection and bioimaging of In3+ at neutral pH

Minuk Yang, Jae Jun Lee, Dongju Yun, Haeri So, Yelim Yi, Mi Hee Lim, Hyojin Lee, Ki Tae Kim, Cheal Kim

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A rhodanine-based fluorescence chemosensor HTO, 3-((2-hydroxybenzylidene)amino)-2-thioxothiazolidin-4-one, was prepared by the reaction of a 3-aminorhodanine and a salicylaldehyde for detecting In3+. HTO could detect In3+ with turn-on fluorescence in a near-perfect aqueous media. Detection limit was calculated to be 1.69 μM and the binding feature of HTO with In3+ was determined to be 1:1 by Job plot and ESI-mass. The sensing behavior of HTO toward In3+ was proposed by using photophysical experiments, ESI-mass and theoretical calculations. In a very rare case, HTO was successfully applied to detect In3+ in live organisms (Hela cells and zebrafish).

Original languageEnglish
Article number114249
JournalJournal of Photochemistry and Photobiology A: Chemistry
Volume434
DOIs
StatePublished - 1 Jan 2023

Keywords

  • Calculations
  • Fluorescence chemosensor
  • Hela cell
  • Indium
  • Rhodanine
  • Zebrafish

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