文献类型：期刊文献

英文题名：Development of a borondipyrromethene-based Zn²⁺ fluorescent probe: solvent effects on modulation sensing ability

作者：Zhao, Chunchang[1];Zhang, Yulin;Feng, Peng;Cao, Jian

机构：[1]E China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China; E China Univ Sci & Technol, Inst Fine Chem, Shanghai 200237, Peoples R China

年份：2012

卷号：41

期号：3

起止页码：831

外文期刊名：DALTON TRANSACTIONS

收录：;WOS:【SCI-EXPANDED(收录号:WOS:000298753800020)】；

基金：We gratefully acknowledge the financial support by the National Science Foundation of China (grant no.: 20902021), the Scientific Research Foundation for the Returned Overseas Chinese Scholars (State Education Ministry), Key Laboratory of Photochemical Conversion and Optoelectronic Materials (TIPC, CAS) and the East China University of Science and Technology research funds. We also gratefully acknowledge Prof. Fu Wei for help in optimizing the Zn²⁺/BODPAQ complex by density functional theory calculations.

语种：英文

摘要：A borondipyrromethene-based Zn2+ fluorescent probe BODPAQ was designed and synthesized. The chelators in BODPAQ, 2,2'-dipicolylamine (DPA) and 8-aminoquinoline (AQ), coordinate to Zn2+ in a synergic manner. As a result, BODPAQ displays high Zn2+ selectivity with a dramatic enhanced emission accompanied by a notable hypsochromic shift due to the binary inhibition effect of PET and ICT mechanisms, enabling the detection of Zn2+ by both ratiometric and normal turn-on fluorescence methods in acetonitrile. Interestingly, the sensitivity of BODPAQ towards Zn2+ changes upon varying the compositions of buffer solutions. In 3-morpholinopropanesulfonic acid (MOPS) buffer aqueous solution (50% CH3CN), BODPAQ displays the highest sensitivity for Zn2+, while in citrate-phosphate buffer, BODPAQ shows no response to Zn2+.