Journal
TETRAHEDRON
Volume 69, Issue 5, Pages 1606-1610Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2012.11.090
Keywords
Chemosensor; Fe (III); HSO4-; Fluorescent; Chromogenic
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Funding
- India-Korea Joint Program of Cooperation in Science Technology [2011-0027710]
- CSIR project grant [01(2417)/10 EMR-II]
- UGC India
- National Research Foundation of Korea [2011-0027710] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A benzthiazole-based multifunctional chemosensor was designed with siderophores like binding sites for recognition of Fe3+ and both hydrogen bond donor and acceptor binding sites for oxyanion HSO4-. The sensor recognizes Fe3+ selectively through enhancement of fluorescence emission intensity at 440 nm and recognizes HSO4- through a bathochromic shift in UV-vis spectra from 315 nm to 365 nm with clear isosbestic points at 345 nm and 395 nm. The recognition of both Fe3+ and HSO4- is free from the interference from the other cations and anions, respectively. (c) 2012 Elsevier Ltd. All rights reserved.
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