Dual-response fluorescent triphenylamine chemoprobe HN2 for the detection of Cu2+ ions and H2S: Applications in real samples and biological imaging

IF 8.5 1区 农林科学 Q1 CHEMISTRY, APPLIED Food Chemistry Pub Date : 2025-03-14 DOI:10.1016/j.foodchem.2025.143846
Ya-Tong Liu, Qian-Qian Zhang, Jing-Yi Li, Guang-Yi Kuang, Si-Yi Yao, Hao Wang, Yue-Li Zou, Li-Xia Zhao
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Abstract

The pervasive presence of the heavy metal ion Cu2+ and the harmful gas H2S in the environment and foodstuffs constitutes a significant health hazard. To address this issue, we developed a novel dual-response, multifunctional fluorescent chemoprobe, HN2, based on triphenylamine. This probe facilitates the continuous detection of Cu2+ and H2S through an “on-off-on” fluorescence response mechanism. HN2 demonstrates exceptional selectivity, rapid response, reversible interaction capabilities, and a high quantum yield (42.54 %), coupled with remarkably low detection limits (0.550 nmol L−1 for Cu2+ and 0.074 nmol L−1 for H2S). Moreover, HN2 has shown great promise in detecting these substances in authentic wine samples and has been successfully employed for visual monitoring of gaseous H2S emissions from decaying shrimp and pork. Importantly, the probe's efficacy in detecting Cu2+ and H2S has been corroborated through imaging techniques in HeLa cells and zebrafish.
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来源期刊
Food Chemistry
Food Chemistry 工程技术-食品科技
CiteScore
16.30
自引率
10.20%
发文量
3130
审稿时长
122 days
期刊介绍: Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.
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