Issue 16, 2015

Naked eye instant reversible sensing of Cu2+ and its in situ imaging in live brine shrimp Artemia

Abstract

A Cu2+-specific colorimetric reversible fluorescent receptor HL was designed and synthesized which showed a naked eye observable colour change from colourless to pink on addition of an aqueous buffer (pH 7.4) solution of 30 ppb Cu2+. Short response time (≤5 s) and low detection limit (nearly 3 ppb) make HL suitable as a reliable “dip-in” open eye sensor for Cu2+. Bio-imaging application in live brine shrimp Artemia enabled HL to detect Cu2+ at as low as 10 ppb exposure.

Graphical abstract: Naked eye instant reversible sensing of Cu2+ and its in situ imaging in live brine shrimp Artemia

Supplementary files

Article information

Article type
Communication
Submitted
13 May 2015
Accepted
20 Jun 2015
First published
22 Jun 2015

Analyst, 2015,140, 5464-5468

Author version available

Naked eye instant reversible sensing of Cu2+ and its in situ imaging in live brine shrimp Artemia

R. R. Nair, M. Raju, N. P. Patel, I. H. Raval, E. Suresh, S. Haldar and P. B. Chatterjee, Analyst, 2015, 140, 5464 DOI: 10.1039/C5AN00957J

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