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Amperometric biosensors based on electrosynthesised polymeric films
F Palmisano1, P G Zambonin, D Centonze
1Dipartimento di Chimica-Università di Bari, Italy.
Fresenius' Journal of Analytical Chemistry
|February 28, 2001
Summary
This review highlights advances in amperometric biosensors using redox enzymes in electrosynthesized polymer films. Non-conducting polymers offer promising materials for fast, interference-free hydrogen peroxide (H2O2) detection.
Area of Science:
- Electrochemistry
- Materials Science
- Biosensor Technology
Background:
- Amperometric biosensors are crucial for detecting various analytes.
- Electropolymerised films offer unique properties for biosensor development.
- Redox enzymes are key components in many biosensing applications.
Purpose of the Study:
- To review significant advancements in amperometric biosensors over the past decade.
- To emphasize the role of electrosynthesized polymeric films, particularly non-conducting polymers.
- To highlight the application of surface analytical techniques in understanding biosensor performance.
Main Methods:
- Review of literature on amperometric biosensors.
- Focus on electrosynthesis of polymeric films.
- Application of surface analytical techniques (e.g., spectroscopy, microscopy).
Main Results:
- Non-conducting polymers with permselectivity show great promise for biosensor design.
- These materials enable fast-response, interference-free detection of hydrogen peroxide (H2O2).
- Surface analysis aids in correlating polymer structure with biosensor performance.
Conclusions:
- Electropolymerised films are highly effective for amperometric biosensor construction.
- Advancements in polymer design have led to improved biosensor sensitivity and selectivity.
- Future trends point towards enhanced real-world applications of these biosensors.