期刊
BIOSENSORS-BASEL
卷 4, 期 4, 页码 449-460出版社
MDPI AG
DOI: 10.3390/bios4040449
关键词
electrochemical biosensor; carbon nanotube; buckypaper; glucose sensor; gold nanoparticles
资金
- GAP grant by FSU Office of Research
- NSF REU grant
- Department of Industrial and Manufacturing Engineering in Florida State University
A highly sensitive glucose detection method was developed using functionalized carbon nanotube buckypaper as a free standing electrode in an electrochemical biosensor. Glucose oxidase was immobilized onto various buckypaper samples in order to oxidize glucose resulting in a measureable current/voltage signal output of the biosensor. Cyclic voltammetry (CV) and amperometry were utilized to determine the sensitivity of these buckypaper electrodes. Sensors of three different types of buckypaper were prepared and compared. These modified buckypaper electrode-based sensors showed much higher sensitivity to glucose compared to other electrochemical glucose sensors.
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