A BODIPY-Based Highly Selective Fluorescent Chemosensor for Hg2+ Ions and Its Application in Living Cell Imaging
作者:Mani Vedamalai、Shu-Pao Wu
DOI:10.1002/ejoc.201101623
日期:2012.2
presence of Hg2+ ions and a high selectivity for Hg2+ ions over competing metal ions in methanol: Ag+, Ca2+, Cd2+, Co2+, Cu2+, Fe2+, Fe3+, K+, Mg2+, Mn2+, Ni2+, Pb2+, and Zn2+ produced only minor changes in the fluorescence of FS1. The apparent dissociation constant (Kd) of FS1–Hg2+ was found to be 62 μM. Moreover, fluorescence microscopy experiments showed that FS1 can be used as a fluorescent probe for
一种含有两个三唑单元的新型硼二吡咯亚甲基 (BODIPY) 衍生物 (FS1) 在 Hg2+ 离子存在下表现出增强的荧光,并且对 Hg2+ 离子比甲醇中的竞争金属离子具有高选择性:Ag+、Ca2+、Cd2+、Co2+、Cu2+ Fe2+、Fe3+、K+、Mg2+、Mn2+、Ni2+、Pb2+ 和 Zn2+ 仅对 FS1 的荧光产生很小的变化。发现 FS1–Hg2+ 的表观解离常数 (Kd) 为 62 μM。此外,荧光显微镜实验表明,FS1 可用作检测活细胞中 Hg2+ 离子的荧光探针。