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A Rhodamine-based fluorescent sensor for chromium ions and its application in bioimaging |
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| Authors: | Xue-Mei Li Rui-Rui Zhao Yan Yang Xue Wei Lv Yu-Ling Wei Rui Tan Jun-Feng Zhang Ying Zhou |
| Institution: | a Department of Safety Evaluation, Technology Center of China Tobacco Yunnan Industrial Co., Ltd., Kunming 650231, China; b College of Chemical Science and Technology, Yunnan University, Kunming 650091, China; c College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, China |
| Abstract: | A rhodamine-based sensor (1) has been developed for the detection of chromium ions. Cr3+-induced opening of the rhodamine spirocycle in sensor (1) led to the distinct colorimetric and fluorescence responses. Among all the tested ions, only Cr3+ generated a significant fluorescence enhancement of up to 13-fold, which indicated the high selectivity of 1. Sensor (1) was successfully applied in the in vivo fluorescence imaging of Cr3+ in C. elegans. The results provided solid evidences for the future estimation of Cr3+ in environmental applications and tobacco samples. |
| Keywords: | Sensor Chromium Rhodamine Colorimetric Fluorescence In vivo imaging |
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