Journal
TETRAHEDRON
Volume 66, Issue 52, Pages 9925-9932Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.10.055
Keywords
Thiazole sulfonamide; Chemosensor; Fluorescence; Ratiometric sensing of Zn2+; ESIPT
Categories
Funding
- Ministry of Education, Science and Technology [20100010070]
- Research Institute of Industrial Technology at Kyungpook National University
- National Research Foundation of Korea (NRF)
- National Research Foundation of Korea [2010-0010070] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Anew thiazole sulfonamide (TIP, 1) based Zn2+ selective intrinsic chemosensor has been synthesized and investigated. The chemosensor shows a selective fluorescence enhancement (3.0 fold) with Zn2+ over biologically relevant cations (Ca2+, Mg2+, Na+, and K+) and biologically non-relevant cations (Cd2+) in an aqueous ethanol system. It produces an increase in the quantum yield and a longer emission wavelength shift (64 nm) on Zn2+ binding with the potential of a ratiometric assay. (C) 2010 Elsevier Ltd. All rights reserved.
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