ArticleMikrochimica acta2019
ZnS quantum dots surface-loaded with zinc(II) ions as a viable fluorescent probe for glutathione.
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 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Miniaturized Fluorimetric Method for Quantification of Zinc in Dry Dog Food.Journal of analytical methods in chemistry · 2020Article
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3 authors.
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Abstract
The fluorescence of ZnS quantum dots in colloidal water solution changes very slightly on addition of glutathione (GSH) but is strongly enhanced in the presence of Zn(II) even in concentrations as low as 10 μM. The resulting Zn(II)-enhanced fluorescence is found to be quenched by GSH. In contrast to GSH, cysteine does not cause an effect. Response surface methodology was applied to optimize the experimental parameters. The best data can be obtained at 305/427 nm as excitation/emission wavelengths. These findings were used to design an indirect method for the fluorometric determination of GSH that has a 0.9 μM detection limit and a response that is linear in the 2.0-104.0 μM GSH concentration range. The relative standard deviation at a level of 65 μM of GSH (for n = 5) is 1.9%. Graphical abstract Schematic presentation of the detection strategy for glutathione and the influence of the mediator (Zn
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