Bismuth film based electrochemical hydroxymethylfurfural sensor

A simple and sensitive electrochemical sensor based on bismuth film that was coated onto a carbon paste electrode was prepared and used for hydroxymethylfurfural (HMF) detection. It was observed that bismuth film electrode (BiFE) greatly accelerated the electron transfer rate and showed excellent el...

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Bibliographic Details
Published in:European food research & technology 2023-06, Vol.249 (6), p.1563-1574
Main Authors: Özyurt, Vasfiye Hazal, Avcı, Okan, Tepeli-Büyüksünetci, Yudum, Anık, Ülkü
Format: Article
Language:English
Subjects:
Agriculture
Analytical Chemistry
Biotechnology
Bismuth
Chemical sensors
Chemistry
Chemistry and Materials Science
Deposition
Electrochemistry
Electrodes
Electron transfer
Food Science
Forestry
Hydroxymethylfurfural
Original Paper
Oxidation
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Summary:A simple and sensitive electrochemical sensor based on bismuth film that was coated onto a carbon paste electrode was prepared and used for hydroxymethylfurfural (HMF) detection. It was observed that bismuth film electrode (BiFE) greatly accelerated the electron transfer rate and showed excellent electrochemical activity for the oxidation of HMF compared to bare electrode. The effects of bismuth concentration, deposition potential, and deposition time on the responses of BiFE for the detection of HMF were optimized. As an analytical characteristic parameter, oxidation peak current was linearly related to HMF concentration in the range of 0.01 μM to 40 μM with a limit of detection value of 0.363 μM. Also, when selectivity studies were conducted, it was observed that BiFE had no interfering effect in the presence of three fold concentrations of coexisting similar structures compared to that of HMF. Moreover, the proposed method was successfully applied for the sensitive determination of HMF in various food samples with satisfactory recoveries. Graphical Abstract
ISSN:1438-2377
1438-2385
DOI:10.1007/s00217-023-04236-7