Journal
TETRAHEDRON LETTERS
Volume 52, Issue 26, Pages 3283-3286Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.04.065
Keywords
Aggregation-induced emission; Click chemistry; Copper; Fluorescence; Sensor
Categories
Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT)
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A fluorometric sensor for detection of Cu2+ ions in aqueous solution with aggregation-induced emission-active tetraphenylethene based on click chemistry is reported. Upon addition of Cu2+, a reaction of azide-modified tetraphenylethene and diethylene glycol dipropiolate in the presence of sodium ascorbate proceeded to yield covalently cross-linked networks, resulting in a dramatic enhancement of fluorescence. This assay showed high selectivity for Cu2+ ions even in the presence of other metal ions in a mixture. (C) 2011 Elsevier Ltd. All rights reserved.
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