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Abstract
In this work, 3D polypyrrole (PPy) structures as material for glucose detection is proposed. Polypyrrole was electrochemically polymerized on platinum screen-printed electrode from an aqueous solution of lithium perchlorate and pyrrole. The growth mechanism of such PPy structures was studied by ex-situ scanning electron microscopy. Preliminary studies show that studied here PPy film is a good candidate as a sensing material for glucose biosensor. It exhibits very high sensitivity (28.5 mA·mM-1·cm-2) and can work without any additional dopants, mediators or enzymes. It was also shown that glucose detection depends on the PPy morphology. The same PPy material was immobilized with the glucose oxidase enzyme. Such material exhibited higher signal response, however it lost its stability very fast.
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Details
- Category:
- Conference activity
- Type:
- materiały konferencyjne indeksowane w Web of Science
- Title of issue:
- 14th International Conference on Optical and Electronic Sensors strony 1 - 4
- Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Cysewska K., Szymańska M., Jasiński P..: 3D polypyrrole structures as a sensing material for glucose detection, W: 14th International Conference on Optical and Electronic Sensors, 2016, ,.
- DOI:
- Digital Object Identifier (open in new tab) 10.1117/12.2243855
- Verified by:
- Gdańsk University of Technology
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