期刊
ELECTROANALYSIS
卷 20, 期 23, 页码 2518-2525出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.200804349
关键词
Ordered mesoporous carbon; Carbon nanotubes; Graphite powder; Glucose oxidase; Alcohol dehydrogenase
资金
- Science Foundation for Young Teachers of Northeast Normal University [20050307]
An ordered mesoporous carbon modified electrode (OMCE) was prepared by film forming method. The electrochemical behavior of the OMCE was evaluated in connection with the electrochemistry of some electroactive biospecies, such as ascorbic acid (AA), acetaminophenol (AP), cysteine (CySH), dopamine (DA), epinephrine (EP), uric acid (UA), beta-nicotinamide adenine dinucleotide (reduced disodium salt hydrate, NADH). and hydrogen peroxide (H2O2) With cyclic voltammetry. Compared with the conventional carbon nanotubes (CNT) and graphite powder (GP) modified electrodes, the OMCE provided the best electrochemical reactivities in all cases associated with decreased over potential, better-defined peak shape, and higher sensitivity. In addition, the OMC. CNT, and GP modified electrodes were employed as sensitive sensors for H2O2 and NADH quantification and as stable platforms for the fabrication of glucose and ethanol biosensors on which the enzymes were immobilized.
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