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A fluorescence sensor for Zn2+ that also acts as a visible sensor for Co2+ and Cu2+

Title
A fluorescence sensor for Zn2+ that also acts as a visible sensor for Co2+ and Cu2+
Authors
Song, Eun JooPark, Gyeong JinLee, Jae JunLee, SuyeonNoh, InsupKim, YoungmeeKim, Sung-JinKim, ChealHarrison, Roger G.
Ewha Authors
김성진김영미
SCOPUS Author ID
김성진scopus; 김영미scopus
Issue Date
2015
Journal Title
SENSORS AND ACTUATORS B-CHEMICAL
ISSN
0925-4005JCR Link
Citation
vol. 213, pp. 268 - 275
Keywords
Zinc fluorescent sensorVisible cobaltCopper sensor
Publisher
ELSEVIER SCIENCE SA
Indexed
SCI; SCIE; SCOPUS WOS
Abstract
Monitoring Zn2+ levels in biological environments with fluorescent sensors is important. This paper gives the synthesis and properties of a new Zn2+ sensor based on quinoline and pyridylaminophenol. The sensor is selective for Zn2+ and remains fluorescent when bound to Zn-2 even in the presence of other metal ions. Along with fluorescing when bound to Zn2+, the sensor becomes colored when Cu2+ or Co2+ is added to it. These two metal ions result in the sensor becoming yellow. The crystal structure of the Cu-sensor complex shows that all of the sensor's nitrogens are bound to the metal ion. In studies with living cells, the fluorescence intensity of the sensor correlates to the concentration of Zn2+. (C) 2015 Elsevier B.V. All rights reserved.
DOI
10.1016/j.snb.2015.02.094
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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