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Oxygen biosensor based on carbon nanotubes directly grown on graphitic substrate

Abstract

Films of carbon nanotubes were synthesized on the graphitic substrates by CVD method in the presence of catalyst. Two different catalysts were used, that is nickel and iron, supported on graphitic substrates. The as-obtained nanotubes were analyzed by SEM imaging with EDX and Raman spectroscopy. The results revealed their multi-walled morphology. Free radical reaction was carried out in order to chemically functionalize synthesized CNT-forests. Naphthyl moieties were attached to the carbon network and modified electrode served as a platform for the adsorption of redox enzyme – bilirubin oxidase. Electrodes covered with enzyme functionalized CNT-forests were tested as oxygen sensors based on the mediatorless biocatalytic oxygen reduction.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
SENSORS AND ACTUATORS B-CHEMICAL no. 240, pages 1308 - 1313,
ISSN: 0925-4005
Language:
English
Publication year:
2017
Bibliographic description:
Sadowska K., Trawiński B. J., Dramińska S., Majdecka D., Bilewicz R., Kusz B.: Oxygen biosensor based on carbon nanotubes directly grown on graphitic substrate// SENSORS AND ACTUATORS B-CHEMICAL. -Vol. 240, (2017), s.1308-1313
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.snb.2016.09.081
Verified by:
Gdańsk University of Technology

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