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A simple and fluorescence turn-on recognition of Pb2<sup>+</sup> ions involving pyrene-thiadiazole chemosensor probe

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Title A simple and fluorescence turn-on recognition of Pb2+ ions involving pyrene-thiadiazole chemosensor probe
 
Creator Durai, Willsingh Anbu
Ramu, Andy
 
Subject Environmental water samples
fluorescence turn-on
Naked-eye
Selective
Sensitive
 
Description 564-571
In this present work, an exceptionally specific and selective chemosensor (Z)-5-((pyren-1-ylmethylene)amino)-1,3,4thiadiazole-2-thiol
(PCAT), has been designed and synthesized via simplest synthetic route. The synthesized probe is
successfully portrayed by utilizing 1H, 13C NMR, ESI-MS techniques. The PCAT probe indicates colour changes which can
be seen through naked-eye from colourless to pink and fluorescence turn-on response specifically towards Pb2+ ions with the
possible contending metal ions. The binding stoichiometric proportion has been found as 1:1 from the Job’s plot
investigation. The detection limit for PCAT-Pb2+ ions is found to be 7.15×10-8 M. Besides, the real sample analysis is also
done with the collected ecological water samples and has resulted in an excellent recovery percentage.
 
Date 2021-12-24T05:54:32Z
2021-12-24T05:54:32Z
2021-09
 
Type Article
 
Identifier 0975-0991 (Online); 0971-457X (Print)
http://nopr.niscair.res.in/handle/123456789/58691
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJCT Vol.28(5) [September 2021]