A new calixcrown chemosensor based on dual sensing probes reveals Pb2+ ion selectivity over other metal ions, which arises from a hypsochromic shift of azo units in UV spectrum as well as a fluorescence enhancement of pyrenyl parts in fluorescence spectrum via a suppressed FRET.
Bibliographical noteFunding Information:
This work was supported in part by the SRC program of the Korea Science and Engineering Foundation (KOSEF) through the Center for Intelligent Nano-Bio Materials at Ewha Womans University (Grant No.: R11-2005-008-02001-0).
- Metal ion complexation
ASJC Scopus subject areas
- Drug Discovery
- Organic Chemistry