Journal
TALANTA
Volume 129, Issue -, Pages 198-202Publisher
ELSEVIER
DOI: 10.1016/j.talanta.2014.05.036
Keywords
Fluorescent organic nanoparticles; Ratiometric; Dipodal; Nanomolar detection
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Funding
- DST for the DST-INSPIRE Faculty fellowship [IFA-11CH-09]
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A dipodal rhodamine-based mercury complex have been designed and synthesized, for the selective detection of 3-mercaptopropionic acid (MPA). To avoid the poor solubility of rhodamine-based ligand in pure water, the Hg2+ complex of fluorescent organic nanoparticles (FONs) of ligand have been developed using reprecipitation method and the formation of 1:1 complex has been confirmed with various spectroscopic techniques. The resultant chemosensor can detect MPA in a concentration range of 60 nM-1 mu M (in buffered aqueous medium) with detection limit of 60 nM. (C) 2014 Elsevier B.V. All rights reserved.
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