Xiaofeng Bao, C. Xiaowei, Xue Nie
Mar 1, 2015
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Influential Citations
79
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Quality indicators
Journal
Sensors and Actuators B-chemical
Abstract
Abstract A novel rhodamine B-based sensor 1 consisting of a rhodamine B moiety linked to the amine end of a 1,4,7,10-tetraoxa-13-azacyclopentadecane was designed and synthesized. Sensor 1 exhibits a high selectivity for Fe 3+ in the presence of many other metal cations in a MeOH/H 2 O (1:1, v/v, pH = 7.4) solution. The binding analysis using a Job plot suggested that sensor 1 formed a 1:1 complex with Fe 3+ . The Fe 3+ binding ability of 1 was further demonstrated by DFT calculations. Fluorescence microscopy experiments demonstrated that sensor 1 can be used as a fluorescent probe for the detection of Fe 3+ in human liver cells (L-02) and rat neuronal cells (PC12).