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A selective colorimetric and ratiometric fluorescent chemosensor for detection of Al3+ ion

Author:
Hung, Pei-Ju   Chir, Jiun-Ly   Ting, Wei   Wu, An-Tai  


Journal:
Journal of Luminescence


Issue Date:
2015


Abstract(summary):

A simple Schiff-base fluorescent receptor I was synthesized in an one step procedure. Receptor 1 displayed a selective colorimetric change (from light yellow to light green) and high ratiometric signals upon binding to Al3+ in EtOH solution. The association constant for 1-Al3+ in EtOH was determined as 2.08 x 10(6) M-2 and the detection limit for Al3+ was determined as 5.21 x 10(-7) M. The detection limit was sufficiently low to detect submicromolar concentration of the Al3+. (C) 2014 Elsevier B.V. All rights reserved.


Page:
371-375


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