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NiO Nanoflowers for Non-Enzymatic Amperometric Detection of Glucose
Published on: December 30, 2025
An optimised glucose oxidase bioelectrode exhibiting high performance direct electron transfer
Ross D Milton1, Jessica Baur, John R Varcoe
1Department of Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom.
Physical Chemistry Chemical Physics : PCCP
|June 9, 2012
Summary
A novel glucose oxidase bioelectrode was developed, achieving high performance and direct electron transfer. This enzymatic biosensor demonstrates significant potential for low-cost, efficient glucose detection applications.
Area of Science:
- Electrochemistry
- Biotechnology
- Biosensors
Background:
- Enzymatic bioelectrodes are crucial for electrochemical sensing.
- Direct electron transfer (DET) is key for high-performance bioelectrode design.
- Glucose oxidase (GOd) is a widely used enzyme for glucose detection.
Purpose of the Study:
- To develop a high-performance glucose oxidase bioelectrode.
- To achieve direct electron transfer (DET) for enhanced electrochemical response.
- To evaluate the potential of this bioelectrode as a low-cost sensor.
Main Methods:
- Fabrication of a glucose oxidase (GOd) bioelectrode.
- Electrochemical characterization to assess performance.
- Measurement of redox peak current densities and glucose response.
Main Results:
- Achieved unprecedented redox peak current densities of 1 mA cm(-2).
- Demonstrated a clear electrochemical response to glucose.
- The bioelectrode exhibited high performance and efficient DET.
Conclusions:
- The developed glucose oxidase bioelectrode offers high performance.
- The system shows promise as a cost-effective enzymatic biosensor.
- Direct electron transfer is critical for achieving superior bioelectrode functionality.
