A Ratiometric Fluorescent Sensor for Penicillin G Based on Color-Tunable Gold–Silver Nanoclusters
Yu-Hung Yeh,
Yu-Shen Lin,
Tai-Chia Chiu
et al.
Abstract:Excessive administration of penicillin G and improper disposal of its residues pose a serious risk to human health; therefore, the development of convenient methods for monitoring penicillin G levels in products is essential. Herein, novel gold−silver nanoclusters (AuAgNCs) were synthesized using chicken egg white and 6-aza-2thiothymine as dual ligands with strong yellow fluorescence at 509 and 689 nm for the highly selective detection of penicillin G. The AuAgNCs were characterized using transmission electron… Show more
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