3D polypyrrole structures as a sensing material for glucose detection

Karolina Cysewska; Magdalena Szymańska; Piotr Jasiński

doi:10.1117/12.2243855

10 November 2016 3D polypyrrole structures as a sensing material for glucose detection

Karolina Cysewska, Magdalena Szymańska, Piotr Jasiński

Proceedings Volume 10161, 14th International Conference on Optical and Electronic Sensors; 101610Q (2016) https://doi.org/10.1117/12.2243855
Event: 14th International Conference on Optical and Electronic Sensors, 2016, Gdansk, Poland

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.

Citation Download Citation

Karolina Cysewska, Magdalena Szymańska, and Piotr Jasiński "3D polypyrrole structures as a sensing material for glucose detection", Proc. SPIE 10161, 14th International Conference on Optical and Electronic Sensors, 101610Q (10 November 2016); https://doi.org/10.1117/12.2243855

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