ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2025
Metal-Catalyzed Abiotic Cleavage of C═C Bonds for Effective Fluorescence Imaging of Cu(II) and Fe(III) in Living Systems.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Light-Inducible Bispecific DNAzymes Reveal Mitochondrial FeAngewandte Chemie (International ed. in English) · 2026Article
- Mitochondria and Neuromast Tagging With Fluorescent Gallium-Triapine Analogues: In Cellulo MP FLIM and Zebrafish Live Imaging.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Multifunctional Hybrid Nanomedicines for Neurodegenerative Diseases: A Paradigm Shift from Rational Design to Clinical Translation.International journal of nanomedicine · 2026Review
- Metal-Catalyzed Abiotic Cleavage of C═C Bonds for Effective Fluorescence Imaging of Cu(II) and Fe(III) in Living Systems.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
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Authors and funding
6 authors.
Funding
Abstract
Imaging abnormal copper/iron with effective fluorescent tools is essential to comprehensively put insight into many pathological events. However, conventional coordination-based detection is mired in the fluorescence quenching induced by paramagnetic Cu(II)/Fe(III). Moreover, the strong chelating property of the probe will consume dissociative metal ions and inevitably interfere with the physiological microenvironment. Here, a new strategy is developed by employing this aberrant Cu(II)/Fe(III) to catalyze bond cleavage for fluorescent imaging of them. A short series of near-infrared fluorescent molecules (NIRB1-NIRB6) is devised as substrates, wherein the specific C═C bonds can be effectively cleaved to activate red fluorophore by Cu(II)/Fe(III) catalyzing. Representatively, NIRB1 is applied for fluorescent imaging of Cu(II)/Fe(III) in living cells, zebrafish, and Alzheimer's disease (AD)-afflicted mouse brains which is of significance to monitor metal safety. The successful cleavage of C═C bonds catalyzed by Cu(II)/Fe(III) enriches the application of abiotic bond cleavage reactions in metal detection, and may also inspire the development of fluorescent tools for the future diagnosis and therapy of diseases.
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