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Electroactivity of chemical and plasma modified single-walled carbon nanotubes to application of glucose detection

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5 Author(s)
Joon Hyub Kim ; Department of Biomicrosystem Technology, Korea University, Seoul, Republic of Korea ; Joon-Hyung Jin ; Jun-Yong Lee ; Chan Won Park
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Acid treatment to the carbon nanotubes (CNTs) is widely used to produce chemical functional group-substituted CNTs. However, more effective substitution of chemical functional groups is available with the O2 plasma treatment because the O2 plasma targets not only the end position but also the side-wall region of the CNTs. Amperometric results from glucose oxidase (GOD)-modified CNT electrodes confirmed that at least two times of larger effective working electrode area was observed with the O2 plasma treatment as compared to the acid treatment.

Published in:

Nanotechnology (IEEE-NANO), 2011 11th IEEE Conference on

Date of Conference:

15-18 Aug. 2011