L-tryptophan-assisted anthracene functionalization for copper-induced fluorescence Turn-off and controlled supramolecular nano-assembly

Abstract

A fluorescent chemosensor, l-Tryptophan-assisted Anthracene conjugate (1), has been designed and developed. 1 is highly selective and sensitive for detecting Cu(II) ions through a fluorescence "turn-off" mechanism, even in a competing environment with a high detection limit of 9.4 × 10−6 M. The smaller spherical nano-assembly transforms into larger spherical nano-assembly upon incubation with Cu(II) ions, highlighting the metal-induced morphological transformation of nano-assemblies. © 2024