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Updated: May 18, 2026

An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium
Published on: December 17, 2018
A simple and efficient dual optical signaling chemodosimeter for toxic Hg(II)
Sabir H Mashraqui1, Sapna A Tripathi, Sushil S Ghorpade
1Department of Chemistry, University of Mumbai, Vidyanagari, Mumbai-400098, India.
Abstract:
10-Methylthioacridone, designated as acrithion, has been employed as an easily accessible chemodosimeter for the optical targeting of toxic Hg(2+) in buffered aqueous DMSO. The Hg(2+)-mediated desulfurization of the probe is translated into selective dual signaling of Hg(2+) by means of color bleaching and fluorescence amplification while several other metal ions, including potentially competing Ag(+), Cu(2+) and Pb(2+), afford no significant interferences even in excess concentrations.
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