Composite transducers for amperometric biosensors. The glucose sensor

Area of Science:

• Electrochemistry
• Biosensor Technology
• Materials Science

Background:

• Amperometric biosensors require efficient transducer materials.
• Solid binding matrices (SBMs) with amphiphilic properties offer a new approach for transducer development.

Purpose of the Study:

• To introduce a novel composite transducer concept for amperometric biosensors utilizing SBMs.
• To characterize SBM-based transducers and evaluate glucose sensor performance.
• To assess the stability and accuracy of the developed SBM-based glucose biosensor.

Main Methods:

• Preparation and electrochemical characterization of transducers using five different SBMs.
• Fabrication of SBM-based glucose biosensors using three distinct methods.
• Evaluation of biosensor stability and performance in determining glucose concentrations.
• Comparison of results with a commercial Glucose Enzyme Photometric Kit.

Main Results:

• Successful preparation and characterization of composite transducers with various SBMs.
• Demonstrated performance of SBM-based glucose sensors fabricated through different methods.
• Good biosensor stability was observed and discussed.
• Accurate glucose determination in wine samples with an average accuracy of 6% across a concentration range of 0.2-47 g/L.

Conclusions:

• The developed SBM-based composite transducer represents a viable concept for amperometric biosensors.
• SBM-based glucose biosensors exhibit promising stability and accuracy for practical applications.
• The findings support the use of SBMs in developing advanced biosensing platforms.