Turn-on ratiometric fluorescent sensor for Pb2+ detection
作者:Chen Hou、Yijia Xiong、Na Fu、Caitlin C. Jacquot、Thomas C. Squier、Haishi Cao
DOI:10.1016/j.tetlet.2011.03.075
日期:2011.5
We report a ratiometric lead fluorescentsensor (LFS-1) with high affinity to Pb2+ that shows considerable selectivity over 12 other physiological related metal cations in aqueous media. Binding induces excimer formation, providing a highly sensitive ratiometric measure of lead concentrations.