A Rhodamine-based fluorescent sensor for chromium ions and its application in bioimaging  

作　　者：Xue-Mei Li Rui-Rui Zhao Yan Yang Xue Wei Lv Yu-Ling Wei Rui Tan Jun-Feng Zhang Ying Zhou 

机构地区：[1]Department of Safety Evaluation,Technology Center of China Tobacco Yunnan Industrial Co.,Ltd. [2]College of Chemical Science and Technology,Yunnan University [3]College of Chemistry and Chemical Engineering,Yunnan Normal University

出　　处：《Chinese Chemical Letters》2017年第6期1258-1261,共4页中国化学快报（英文版）

基　　金：supported by fund of China Tobacco Yunnan Industrial Co.(No.2015JC05);the Foundation of the Department of Science and Technology of Yunnan Province of China(Nos.2013HB062,2014HB008,2016FB020);the Program for Excellent Youth Talents of Yunnan University(No.XT412003)

摘　　要：A rhodamine-based sensor（1） has been developed for the detection of chromium ions.Cr-（3＋）-induced opening of the rhodamine spirocycle in sensor（1） led to the distinct colorimetric and fluorescence responses.Among all the tested ions,only Cr-（3＋） generated a significant fluorescence enhancement of up to13-fold,which indicated the high selectivity of 1.Sensor（1） was successfully applied in the in vivo fluorescence imaging of Cr-（3＋） in C.elegans.The results provided solid evidences for the future estimation of Cr-（3＋） in environmental applications and tobacco samples.A rhodamine-based sensor（1） has been developed for the detection of chromium ions.Cr-（3＋）-induced opening of the rhodamine spirocycle in sensor（1） led to the distinct colorimetric and fluorescence responses.Among all the tested ions,only Cr-（3＋） generated a significant fluorescence enhancement of up to13-fold,which indicated the high selectivity of 1.Sensor（1） was successfully applied in the in vivo fluorescence imaging of Cr-（3＋） in C.elegans.The results provided solid evidences for the future estimation of Cr-（3＋） in environmental applications and tobacco samples.

关 键 词：Sensor Chromium Rhodamine Colorimetric Fluorescence In vivo imaging 

分 类 号：O657.3[理学—分析化学] TP212[理学—化学]