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Updated: May 10, 2026

Fluorescent Nanoparticles for the Measurement of Ion Concentration in Biological Systems
Published on: July 4, 2011
A fluorescence 'turn-on' chemodosimeter for selective detection of Nb5+ ions in mixed aqueous media
Abhishek Kumar Gupta1, Abhimanew Dhir, Chullikkattil P Pradeep
1School of Basic Sciences, Indian Institute of Technology Mandi, Himachal Pradesh 175001, India. pradeep@iitmandi.ac.in.
Abstract:
Based on the mechanism of hydrolytic cleavage of Schiff bases, a 1-aminopyrene based fluorescent chemodosimeter, 3, is reported for the selective detection of Nb(5+) ions in solution. Among the 21 metal ions tested, the chemodosimeter shows a selective fluorogenic 'turn-on' response toward Nb(5+) ions in mixed aqueous media.
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