Glucose Biosensor Using Rhodium Dioxide and Glucose Dehydrogenase
Author Information
Author(s): Vojtěch Polan, Jan Soukup, Karel Vytřas
Primary Institution: Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice
Hypothesis
Can a glucose biosensor be effectively created using screen-printed carbon electrodes modified with rhodium dioxide and glucose dehydrogenase?
Conclusion
The biosensor demonstrated good performance in detecting glucose without interference from common substances.
Supporting Evidence
- The biosensor showed a linear range of 500–5000 mg L−1 of glucose.
- It had a detection limit of 210 mg L−1.
- The response time of the biosensor was 39 seconds.
- Interference from ascorbic acid, uric acid, and paracetamol was negligible.
Takeaway
Scientists made a special sensor that can quickly measure sugar levels in things like honey and syrup without getting confused by other ingredients.
Methodology
The biosensor was prepared using screen-printing techniques and various enzyme immobilization methods were tested.
Limitations
The study primarily focused on model glucose samples and may not fully represent all real-world conditions.
Digital Object Identifier (DOI)
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