Issue 19, 2011
From the journal:

Organic & Biomolecular Chemistry

Pyridinium-based symmetrical diamides as chemosensors in visual sensing of citrate through indicator displacement assay (IDA) and gel formation†

Kumaresh Ghosh*a  and  Avik Ranjan Sarkara  

* Corresponding authors

a Department of Chemistry, University of Kalyani, Kalyani, India
E-mail: ghosh_k2003@yahoo.co.in
Fax: +913325828282
Tel: +913325828750

Abstract

The design and synthesis of pyridinium-based symmetrical diamides 1 and 2 along with their anion binding studies through ‘indicator-diplacement assay’ are reported. Both the chemosensors effectively respond in in CH3CN–H2O (4 : 1 v/v) at pH = 6.3 for the selective naked-eye detection of citrate. Additionally, chemosensor 2 (c = 6.29 × 10−3 M) forms a stable gel only with citrate in CH3CN, which validates its visual sensing.

Graphical abstract: Pyridinium-based symmetrical diamides as chemosensors in visual sensing of citrate through indicator displacement assay (IDA) and gel formation

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Article information

DOI
https://doi.org/10.1039/C1OB05707C
Article type
Paper
Submitted
04 May 2011
Accepted
23 Jun 2011
First published
23 Jun 2011

Org. Biomol. Chem., 2011,9, 6551-6558

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Pyridinium-based symmetrical diamides as chemosensors in visual sensing of citrate through indicator displacement assay (IDA) and gel formation

K. Ghosh and A. Ranjan Sarkar, Org. Biomol. Chem., 2011, 9, 6551 DOI: 10.1039/C1OB05707C

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