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. 2015 Mar 15:864:55-63.
doi: 10.1016/j.aca.2015.01.029. Epub 2015 Jan 23.

Pyrene-based chemosens or detects picric acid upto attogram level through aggregation enhanced excimer emission

Rakesh Chopra  1 , Paramjit Kaur  2 , Kamaljit Singh  3
Affiliations

Pyrene-based chemosens or detects picric acid upto attogram level through aggregation enhanced excimer emission

Rakesh Chopra et al. Anal Chim Acta. .

Erratum in

  • Anal Chim Acta. 2016 Jan 1;902:212

Abstract

A pyrene-based small molecular weight probe, exhibiting aggregation enhanced excimer emission has been synthesized. The crystalline emissive form detects 2,4,6-trinitrophenol (picric acid) at parts-per-billion concentration in solution and as low as 0.46 attogram in direct contact mode, operating predominantly in a static quenching mechanism, proposed on the basis of steady state and life-time fluorescence measurements.

Keywords: Aggregation enhanced excimer emission; Attogram; Crystalline nanoaggregates; Picric acid; Soil samples.

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