Journal
JOURNAL OF LUMINESCENCE
Volume 158, Issue -, Pages 172-175Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jlumin.2014.09.037
Keywords
Fluorescence Sensor; Chromone; Aluminum Ion
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Funding
- National Natural Science Foundation of China [81171337]
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A novel Schiff-base fluorescent sensor 7-methoxychromone-3-carbaldehyde-((2'-Benzothiazolylthio)-acetyl) hydrazone (MCAH) was synthesized. The new chemosensor possesses dual PET processes simultaneously introducing by both nitrogen and sulfur donors. Upon binding Al3+, a significant fluorescence enhancement with a tum-on ratio over 500-fold was triggered. The detection limit of MCAH for Al3+ was 3.19 x 10(-8) M. (C) 2014 Elsevier B.V. All rights reserved.
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