4.7 Article

Zinc(II) complex of terpyridine-crown macrocycle: A new motif in fluorescence sensing of zwitterionic amino acids

Journal

INORGANIC CHEMISTRY COMMUNICATIONS
Volume 12, Issue 9, Pages 815-818

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2009.06.013

Keywords

Zinc terpyridine; Crown-macrocycle; Fluorescence sensing; Amino acids sensing

Funding

  1. GRF [CityU 101108]
  2. CAV [8730025]
  3. City University of Hong Kong

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A new fluorescence macrocyclic receptor based on the Zn(II) complex of a C-2-terpyridine and a crown ether has been developed for molecular recognition of zwitterionic amino acids in water/DMF solution with remarkable selectivity towards L-aspartate (K = 4.5 x 10(4) M-1) and L-CyStei ne (K = 2.5 x 10(4) M-1). (C) 2009 Elsevier B.V. All rights reserved.

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