期刊
TETRAHEDRON LETTERS
卷 57, 期 39, 页码 4360-4363出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2016.08.048
关键词
Hg2+ ions; Fluorescence signaling; Hydrazone hydrolysis; Methoxynaphthaldehyde; Smartphone
资金
- Chung-Ang University Research Scholarship Grants
- Korea Research Foundation of the Korean Government [NRF-2015R1D1A1A01061470]
A simple Hg2+ elective fluorogenic signaling probe based on methoxynaphthalene hydrazone was investigated. Hydrazone 1 gave prominent fluorescent signals in response to Hg2+ ions in a 1:1 mixture of acetate buffer (pH 4.8) and DMSO. The fluorescence signaling was due to the Hg2+-selective hydrolysis of hydrazone to afford the strongly fluorescent methoxynaphthaldehyde. Hg2+-selective signaling of 1 was not affected by the presence of representative metal ions as the background. Hg2+-selective fluorescence signaling by 1 was possible with a detection limit of 6.0 x 10(-6) M. As a practical application, convenient detection of Hg2+ ions using a smartphone as a portable signaling processor was conducted. (C) 2016 Elsevier Ltd. All rights reserved.
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