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Aerosol-assisted Chemical Vapor Deposition of Metal Oxide Structures: Zinc Oxide Rods
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MOMSense: Metal-Oxide-Metal Elementary Glucose Sensor.
Heba Abunahla1, Baker Mohammad2, Anas Alazzam3
1Department of Electrical and Computer Engineering, Khalifa University of Science and Technology, Abu Dhabi, UAE.
Scientific Reports
|April 4, 2019
Summary
We developed a novel platinum/copper oxide/platinum (Pt/CuO/Pt) metal-oxide-metal (MOM) glucose sensor. This sensor offers accurate, nonenzymatic glucose detection at neutral pH, simplifying the process and reducing costs.
Area of Science:
- Electrochemistry
- Materials Science
- Biosensors
Background:
- Nonenzymatic electrochemical glucose sensors are crucial for diabetes management.
- Conventional copper oxide (CuO)-based sensors require alkaline conditions, necessitating a dilution step.
- This increases device complexity and cost.
Purpose of the Study:
- To present a novel Pt/CuO/Pt metal-oxide-metal (MOM) glucose sensor.
- To demonstrate nonenzymatic glucose detection at neutral pH.
- To offer a simplified, cost-effective alternative to existing sensors.
Main Methods:
- Fabrication of Pt/CuO/Pt MOM devices using standard photolithography.
- Characterization of the sensor's electrochemical properties.
- Testing the sensor's performance in detecting glucose concentrations.
Main Results:
- The sensor exhibits a linear sensing range of 2.2 mM to 10 mM, suitable for adult blood glucose levels.
- Successful glucose detection was achieved at neutral pH (pH=7).
- The device eliminates the need for alkaline medium preparation, simplifying operation.
Conclusions:
- The novel Pt/CuO/Pt MOM sensor provides a viable nonenzymatic glucose detection method.
- Its ability to operate at neutral pH and its simplified fabrication offer significant advantages.
- This sensor represents a lower-cost and more compact solution for glucose monitoring.
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