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자연과학대학
화학·나노과학전공
Journal papers
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Selective zinc sensor based on pyrazoles and quinoline used to image cells
Title
Selective zinc sensor based on pyrazoles and quinoline used to image cells
Authors
Kim H.
;
You G.R.
;
Park G.J.
;
Choi J.Y.
;
Noh I.
;
Kim Y.
;
Kim S.-J.
;
Kim C.
;
Harrison R.G.
Ewha Authors
김성진
;
김영미
SCOPUS Author ID
김성진
; 김영미
Issue Date
2014
Journal Title
Dyes and Pigments
ISSN
0143-7208
Citation
Dyes and Pigments vol. 113, pp. 723 - 729
Keywords
Cell imaging
;
Fluorescence
;
Quinoline
;
Selective
;
Visible absorption
;
Zinc sensor
Publisher
Elsevier Ltd
Indexed
SCI; SCIE; SCOPUS
Document Type
Article
Abstract
The synthesis, Zn2+ binding, crystal structure, and cell imaging studies of a new pyrazole amine quinoline receptor with a flexible binding pocket are described. Upon coordination to Zn2+, the absorption of the receptor increases at 364 nm and it fluoresces at 500 nm. The fluorescence response to Zn2+ is selective for Zn2+ and does not occur with other metal ions, not even Cd2+. In solution, the receptor forms 1:1 complexes with Zn2+, but in the solid-state two Zn2+ ions coordinate to the receptor. The aqueous solubility of the receptor allows for imaging of Zn2+ in living cells. Cells exposed to receptor and Zn2+ fluoresce when excited with visible light. © 2014 Elsevier Ltd. All rights reserved.
DOI
10.1016/j.dyepig.2014.10.006
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