A novel supramolecular conjugate was conveniently fabricated by the non-covalent interaction between 4-amido-1,8-naphthalimide bridged permethyl-β-cyclodextrins and tetrasodium tetraphenylporphyrintetrasulfonate, which was comprehensively characterized by the methods of UV–Vis, NMR, AFM, and TEM, respectively. Significantly, the efficient excited energy transfer process from 4-amido-1,8-naphthalimide
Highly Selective Ratiometric Fluorescent Sensing for Hg<sup>2+</sup> and Au<sup>3+</sup>, Respectively, in Aqueous Media
作者:Ming Dong、Ya-Wen Wang、Yu Peng
DOI:10.1021/ol1024585
日期:2010.11.19
A nonsulfur probe based on a 1,8-naphthalimide and alkyne conjugate for the ratiometric fluorescent sensing for Hg2+ and Au3+ through the tuning of pH in different aqueous solutions is described. This work provides a novel reaction-based approach for selective recognition of these two ions with significant change of fluorescence color and constitutes the first ratiometric case for Au3+.