A new selective chromogenic and fluorogenic sensor for citrate ion
A new selective chromogenic and fluorogenic sensor for citrate ion
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DOI:
10.1016/j.snb.2012.07.030
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发表时间:
2012-11-01
影响因子:
8.4
通讯作者:
Yen, Yao-Pin
中科院分区:
文献类型:
--
作者:
Liu, Zhao-Hong;Devaraj, Soosai;Yen, Yao-Pin
A new receptor 1 was developed, and its chromogenic and fluorogenic behaviors toward various di- and tricarboxylate anions were investigated. Receptor 1 shows response exclusively toward citrate anion and also distinguishes citrate anion from other anions by different color change in aqueous solution (DMSO/H2O = 4/1). In addition, the receptor 1 also exhibits a pronounced citrate-induced fluorescence enhancement. The detection limit for the citrate anion was determined as (0.18 +/- 0.01 mu M). Thus, the receptor 1 can be used as a colorimetric and fluorescent sensor for the determination of citrate ion. (C) 2012 Elsevier B.V. All rights reserved.