2020
DOI: 10.1016/j.saa.2019.117402
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A novel fluorescent probe based on isocoumarin for Hg2+ and Fe3+ ions and its application in live-cell imaging

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Cited by 40 publications
(10 citation statements)
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“…In particular, ligands 3 , 7 , and 10 maintained attractive fluorescent turn-off ratios for Hg 2+ detection even in the presence of the other studied metal ions. This implies desirable selectivity unlike the commonly encountered multisensing fluorophores that respond to Hg 2+ as well as other interfering elements. The presence of M 3+ species tends to hinder proper emission turn-off for ligands 1 and 8 , which is consistent with the already observed tendency of the M 3+ species to cause emission turn-on along with hypsochromic shifts (Figure ). The dominance of Hg 2+ in the absorption spectral profiles over all other metal ions could be observed from the stacked absorption spectra measured in this interference study (e.g., Figure c, see the Supporting Information for the complete spectral plots).…”
Section: Results and Discussionsupporting
confidence: 70%
“…In particular, ligands 3 , 7 , and 10 maintained attractive fluorescent turn-off ratios for Hg 2+ detection even in the presence of the other studied metal ions. This implies desirable selectivity unlike the commonly encountered multisensing fluorophores that respond to Hg 2+ as well as other interfering elements. The presence of M 3+ species tends to hinder proper emission turn-off for ligands 1 and 8 , which is consistent with the already observed tendency of the M 3+ species to cause emission turn-on along with hypsochromic shifts (Figure ). The dominance of Hg 2+ in the absorption spectral profiles over all other metal ions could be observed from the stacked absorption spectra measured in this interference study (e.g., Figure c, see the Supporting Information for the complete spectral plots).…”
Section: Results and Discussionsupporting
confidence: 70%
“…1 b). It indicated that the stoichiometry of complexation between metal ions and TPy on GT was 1:1 for Mn 2+ and 2:1 for other metal ions [ 58 ]. The results confirmed that Fe 2+ , Co 2+ , Ni 2+ , Cu 2+ and Zn 2+ have stronger binding affinity with GT than Mn 2+ .…”
Section: Resultsmentioning
confidence: 99%
“…Therefore, such isocoumarins represent a new class of CA inhibitors. 45 The latter makes it possible to use such compounds in biological environments.…”
Section: Transformation Of 3-acyl-and 3-formyl-1h-isochromen-1-onesmentioning
confidence: 99%