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Angew Chem Int Ed Engl. 2001 Apr 17;40(8):1536-1538. doi: 10.1002/1521-3773(20010417)40:8<1536::AID-ANIE1536>3.0.CO;2-R.

Dual-Signaling Fluorescent Chemosensors Based on Conformational Restriction and Induced Charge Transfer.

Angewandte Chemie (International ed. in English)

Jesse V Mello, Nathaniel S Finney

Affiliations

  1. Department of Chemistry and Biochemistry University of California, San Diego La Jolla, CA 92093-0358 (USA) Fax: (+1)?858-822-0386.

PMID: 29712357 DOI: 10.1002/1521-3773(20010417)40:8<1536::AID-ANIE1536>3.0.CO;2-R

Abstract

Twist and shout! By restricting conformation, 2,6-biarylpyridines can be induced to "speak" to us through increased fluorescence emission. In combination with induced charge transfer, this allows these simple fluorophores to reveal otherwise silent binding events to alkali metal and alkaline earth cations through brightening and color change (see picture; from left to right: no metal, Li

© 2001 WILEY-VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany.

Keywords: coordination chemistry; fluorescence spectroscopy; molecular recognition; sensors

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