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• W2921874428 abstract "A zinc(II) porphyrin derivative (ZPSN) was designed and synthesized, and this probe exhibited rapid, selective and reversible binding to Cu+ for fluorescence monitoring in pure aqueous buffer. The detection mechanism is based on Cu+-activated disruption of axial coordination between the pyridyl ligand and the zinc center, which changes the molecular geometry and inhibits intramolecular electron transfer (ET), leading to fluorescence enhancement of the probe. The proposed sensing mechanism was supported by UV-vis spectroscopy/fluorescence spectral titration, NMR spectroscopy, mass spectrometry, and time-resolved fluorescence decay studies. The dissociation constant was calculated to be 6.53 × 10-11 M. CLSM analysis strongly suggested that ZPSN could penetrate live cells and successfully visualize Cu+ in mitochondria. This strategy may establish a design and offer a potential building block for construction of other metal sensors based on a similar mechanism." @default.
• W2921874428 created "2019-03-22" @default.
• W2921874428 creator A5051853524 @default.
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• W2921874428 date "2019-03-14" @default.
• W2921874428 modified "2023-10-16" @default.
• W2921874428 title "Porphyrinic Probe for Fluorescence “Turn-On” Monitoring of Cu⁺ in Aqueous Buffer and Mitochondria" @default.
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• W2921874428 doi "https://doi.org/10.1021/acssensors.8b01240" @default.
• W2921874428 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30868875" @default.
• W2921874428 hasPublicationYear "2019" @default.
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