ArticleMikrochimica acta2019
Tannic acid-derivatized graphitic carbon nitride quantum dots as an "on-off-on" fluorescent nanoprobe for ascorbic acid via copper(II) mediation.
Article in Mikrochimica acta, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Plasmonic/magnetic molybdenum trioxide and graphitic carbon nitride quantum dots-based fluoroimmunosensing system for influenza virus.Sensors and actuators. B, Chemical · 2020Article
- Redox induced dual-signal optical sensor of carbon dots/MnOMikrochimica acta · 2020Article
- Fluoroimmunoassay of influenza virus using sulfur-doped graphitic carbon nitride quantum dots coupled with AgMikrochimica acta · 2020Article
- Red emissive boron and nitrogen co-doped "on-off-on" carbon dots for detecting and imaging of mercury(II) and biothiols.Mikrochimica acta · 2019Article
- Preparation of graphene oxide quantum dots from waste toner, and their application to a fluorometric DNA hybridization assay.Mikrochimica acta · 2019Article
- Manganese(II)-doped zinc/germanium oxide nanoparticles as a viable fluorescent probe for visual and time-resolved fluorometric determination of ascorbic acid and its oxidase.Mikrochimica acta · 2019Article
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2 authors.
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Abstract
A microwave-assisted hydrothermal route was employed to prepare fluorescent tannic acid (TA)-derivatized graphitic carbon nitride quantum dots. The resulting dots display blue fluorescence (best measured at excitation/emission wavelengths of 350/452 nm) with a quantum yield as high as ~44%. The incorporated TA imparts a fluorescence switching behavior in that very low concentrations of Cu(II) can quench the fluorescence, while (AA) can restore it. It is presumed that AA causes Cu(II) to be transformed to Cu(I). Based on these findings, a fluorometric method was designed for AA detection. The probe allows AA to be detected with a 50 pM limit of detection and a linear analytical range that extends from 0.1 to 200 nM of AA. Real and spiked samples were successfully assayed by the probe to demonstrate its analytical applicability. Graphical abstract Schematic presentation of fluorescent graphitic carbon nitride quantum dots functionalized with tannic acid. Their fluorescence is quenched by Cu
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