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- W2929680053 abstract "We report here a novel electrochemical sensor developed using fluorine-doped graphene oxide (F-GO) for the detection of caffeic acid (CA). The synthesized graphene oxide (GO) and F-GO nanomaterials were systematically characterized with a scanning electron microscope (SEM), and the presence of semi-ionic bonds was confirmed in the F-GO using X-ray photoelectron spectroscopy. The electrochemical behaviours of bare glassy carbon electrode (GCE), F-GO/GCE, and GO/GCE toward the oxidation of CA were studied using cyclic voltammetry (CV), and the results obtained from the CV investigation revealed that F-GO/GCE exhibited the highest electrochemically active surface area and electrocatalytic activity in contrast to the other electrodes. Differential pulse voltammetry (DPV) was employed for the analytical quantitation of CA, and the F-GO/GCE produced a stable oxidation signal over the selected CA concentration range (0.5 to 100.0 μM) with a low limit of detection of 0.018 μM. Furthermore, the acquired results from the selectivity studies revealed a strong anti-interference capability of the F-GO/GCE in the presence of other hydroxycinnamic acids and ascorbic acid. Moreover, the F-GO/GCE offered a good sensitivity, long-term stability, and an excellent reproducibility. The practical application of the electrochemical F-GO sensor was verified using various brands of commercially available wine. The developed electrochemical sensor successfully displayed its ability to directly detect CA in wine samples without pretreatment, making it a promising candidate for food and beverage quality control." @default.
- W2929680053 created "2019-04-11" @default.
- W2929680053 creator A5013583666 @default.
- W2929680053 creator A5027412913 @default.
- W2929680053 creator A5037341278 @default.
- W2929680053 creator A5042009261 @default.
- W2929680053 date "2019-04-03" @default.
- W2929680053 modified "2023-10-14" @default.
- W2929680053 title "Sensitive Electrochemical Detection of Caffeic Acid in Wine Based on Fluorine-Doped Graphene Oxide" @default.
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- W2929680053 doi "https://doi.org/10.3390/s19071604" @default.
- W2929680053 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6480299" @default.
- W2929680053 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30987122" @default.
- W2929680053 hasPublicationYear "2019" @default.
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