Plasma-modified multiwalled carbon nanotubes with polyaniline for glucose biosensor applications

Multiwalled carbon nanotube (MWCNT) was modified through plasma polymerization of aniline by applying different radio frequency (radio frequency (RF): 13.56 MHz) powers. The modified MWCNTs were investigated in terms of morphology, chemical structure, and thermal behaviors, indicating the formation...

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Bibliographic Details
Published in:International journal of polymeric materials 2018-05, Vol.67 (7), p.454-461
Main Authors: Cogal, Sadik, Celik Cogal, Gamze, Oksuz, Aysegul Uygun
Format: Article
Language:English
Subjects:
Aniline
Biosensors
Carbon nanotube
Electrical measurement
glucose biosensor
Glucose oxidase
Multi wall carbon nanotubes
Nanotubes
Plasma
polyaniline
Polyanilines
Radio frequency
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Summary:Multiwalled carbon nanotube (MWCNT) was modified through plasma polymerization of aniline by applying different radio frequency (radio frequency (RF): 13.56 MHz) powers. The modified MWCNTs were investigated in terms of morphology, chemical structure, and thermal behaviors, indicating the formation of composites based on the surface modification of MWCNT with polyaniline (PANI). These composites were then used in amperometric glucose biosensor, which was constructed by immobilizing glucose oxidase on premodified Pt electrode with PANI/MWCNT composites. The biosensor based on the composite obtained under RF power of 60 W exhibited the high sensitivity of 54.91 µA mM −1 cm −2 to glucose.
ISSN:0091-4037
1563-535X
DOI:10.1080/00914037.2017.1342252