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. 2016 Nov;26(6):2041-2046.
doi: 10.1007/s10895-016-1898-9. Epub 2016 Aug 18.

Selective and Sensitive Fluorescent Detection of Picric Acid by New Pyrene and Anthracene Based Copper Complexes

Kumbam Lingeshwar Reddy  1 , Anabathula Manoj Kumar  1 , Abhimanew Dhir  2 , Venkata Krishnan  3
Affiliations

Selective and Sensitive Fluorescent Detection of Picric Acid by New Pyrene and Anthracene Based Copper Complexes

Kumbam Lingeshwar Reddy et al. J Fluoresc. 2016 Nov.

Abstract

New pyrene and anthracene based copper complexes 4 and 7 respectively were designed, synthesized and characterized. The fluorescence behaviour of both 4 and 7 were evaluated towards nitro aromatics and anions. Both 4 and 7 possess high selectivity for the detection of well-known explosive picric acid (PA) by showing maximum fluorescence affinity. Furthermore, complex 4 showed similar sensing efficiency towards PA at different pH ranges. It was also used for real world applications, as illustrated by the very fast detection of PA from soil samples observed directly by naked eye.

Keywords: Anthracene; Chemosensors; Copper complexes; Picric acid; Pyrene.

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