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Electrocatalytic characteristics of electrodes based on ferritin/carbon nanotube composites for biofuel cells
- Authors
- Shin, Ho Jin; Shin, Kwang Min; Lee, Ji Won; Kwon, Cheong Hoon; Lee, Sung-Ho; Kim, Sun I.; Jeon, Ju-Hong; Kim, Seon Jeong
- Issue Date
- Dec-2011
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Biofuel cell; Anode; Ferritin; Single wall carbon nanotube; Glucose oxidase
- Citation
- SENSORS AND ACTUATORS B-CHEMICAL, v.160, no.1, pp.384 - 388
- Indexed
- SCIE
SCOPUS
- Journal Title
- SENSORS AND ACTUATORS B-CHEMICAL
- Volume
- 160
- Number
- 1
- Start Page
- 384
- End Page
- 388
- ISSN
- 0925-4005
- Abstract
- A single wall carbon nanotube (SWNT)/ferritin/glucose oxidase (GOx) layer on a glassy carbon electrode acting as a biofuel cell anode was fabricated using an SWNT/ferritin composite as an electron transfer mediator from the enzyme to the electrode. In the absence of glucose, the SWNT/ferritin/GOx composite showed a higher current response than an SWNT/GOx composite, and the electrocatalytic oxidation of glucose on the anode increased linearly with increasing concentration of glucose. The highly distributed SWNT/ferritin composite as a platform for enzyme immobilization resulted in an enhanced electrocatalytic activity towards glucose. The SWNT/ferritin composite showed an enhanced electron transfer from the enzyme to the electrode; therefore, SWNT/ferritin/GOx composites can be used as an anode in biofuel cells. (C) 2011 Elsevier B.V. All rights reserved.
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Related Researcher
- Kim, Seon Jeong
- COLLEGE OF ENGINEERING (서울 바이오메디컬공학전공)