Low Overpotential Amperometric Sensor using Yb2O3.CuO@rGO Nanocomposite for Sensitive Detection of Ascorbic Acid in Real Samples Article Swipe
Jahir Ahmed
,
M. Faisal
,
Jari S. Algethami
,
Mabkhoot Alsaiari
,
Saeed A. Alsareii
,
Farid A. Harraz
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.20944/preprints202304.0942.v1
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.20944/preprints202304.0942.v1
The ultimate objective of this research work is to design a sensitive and selective electrochemical sensor for efficient detection of ascorbic acid (AA), a vital antioxidant found in blood serum that may serve as a biomarker for oxidative stress. To achieve this, we utilized a novel Yb2O3.CuO@rGO nanocomposite (NC) as the active material to modify the glassy carbon working electrode (GCE). The structural properties and morphological characteristics of the Yb2O3.CuO@rGO NC were investigated using various techniques to ensure their suitability for the sensor. The resulting sensor electrode was able to detect a broad range of AA concentrations (0.5 - 1571 µM) in neutral phosphate buffer solution with a high sensitivity of 0.4341 µAµM-1cm-2 and a reasonable detection limit of 0.062 µM. The sensor's great sensitivity and selectivity allowed it to accurately determine the levels of AA in human blood serum and commercial vitamin C tablets. It demonstrated high levels of reproducibility, repeatability, and stability, making it a reliable and robust sensor for the measurement of AA at low overpotential. Overall, the Yb2O3.CuO@rGO/GCE sensor showed great potential in detecting AA from real samples.
Related Topics
Concepts
Ascorbic acid
Amperometry
Overpotential
Detection limit
Materials science
Electrochemical gas sensor
Repeatability
Nanocomposite
Electrode
Reproducibility
Biosensor
Electrochemistry
Nanotechnology
Chromatography
Chemistry
Physical chemistry
Food science
Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.20944/preprints202304.0942.v1
- https://www.preprints.org/manuscript/202304.0942/v1/download
- OA Status
- green
- Cited By
- 2
- References
- 74
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4367040424
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4367040424Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.20944/preprints202304.0942.v1Digital Object Identifier
- Title
-
Low Overpotential Amperometric Sensor using Yb2O3.CuO@rGO Nanocomposite for Sensitive Detection of Ascorbic Acid in Real SamplesWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-04-26Full publication date if available
- Authors
-
Jahir Ahmed, M. Faisal, Jari S. Algethami, Mabkhoot Alsaiari, Saeed A. Alsareii, Farid A. HarrazList of authors in order
- Landing page
-
https://doi.org/10.20944/preprints202304.0942.v1Publisher landing page
- PDF URL
-
https://www.preprints.org/manuscript/202304.0942/v1/downloadDirect link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
-
https://www.preprints.org/manuscript/202304.0942/v1/downloadDirect OA link when available
- Concepts
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Ascorbic acid, Amperometry, Overpotential, Detection limit, Materials science, Electrochemical gas sensor, Repeatability, Nanocomposite, Electrode, Reproducibility, Biosensor, Electrochemistry, Nanotechnology, Chromatography, Chemistry, Physical chemistry, Food scienceTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
2Total citation count in OpenAlex
- Citations by year (recent)
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2023: 2Per-year citation counts (last 5 years)
- References (count)
-
74Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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