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Electrochemical Activity Studies of Glucose Oxidase (GOx)-Based and Pyranose Oxidase (POx)-Based Electrodes in Mesoporous Carbon: Toward Biosensor and Biofuel Cell Applications
- Authors
- Kwon, Ki Young; Kim, Jae Hyun; Youn, Jongkyu; Jeon, Chulmin; Lee, Jinwoo; Hyeon, Taeghwan; Park, Hyun Gyu; Chang, Ho Nam; Kwon, Yongchai; Ha, Su; Jung, Hee-Tae; Kim, Jungbae
- Issue Date
- 10월-2014
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- Glycosylation moiety; Glucose oxidase; Pyranose oxidase; Electron transfer; Biosensors; Biofuel cells
- Citation
- ELECTROANALYSIS, v.26, no.10, pp.2075 - 2079
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTROANALYSIS
- Volume
- 26
- Number
- 10
- Start Page
- 2075
- End Page
- 2079
- ISSN
- 1040-0397
- Abstract
- A simple study using a fixed amount of mesoporous carbon (MSU-F-C) was performed for the comparison of pyranose oxidase (POx) and glucose oxidase (GOx) in their electrochemical performance under biosensor and biofuel cell operating modes. Even though the ratio of POx to GOx in the glucose oxidation activity per unit weight of MSU-F-C was 0.35, the ratios of POx to GOx in sensitivity and power density were reversed to be 6.2 and 1.4, respectively. POx with broad substrate specificity and an option of large scale production using recombinant E. coli has a great potential for various electrochemical applications, including biofuel cells.
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