期刊
BIOSENSORS & BIOELECTRONICS
卷 20, 期 11, 页码 2341-2346出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2004.08.005
关键词
electrodeposition; palladium nanoparticles; Nafion
Electrodeposition was used for the co-deposition of glucose oxidase (GOx) enzymes and palladium nanoparticles onto a Nation-solubilized carbon nanotube (CNT) film. The co-deposited Pd-GOx-Nafion CNT bioelectrode retains its biocatalytic activity and offers an efficient oxidation and reduction of the enzymatically liberated H2O2, allowing for fast and sensitive glucose quantification. The combination of Pd-GOx electrodeposition with Nafion-solubilized CNTs enhances the storage time and performance of the sensor. An extra Nafion coating was used to eliminate common interferents such as uric and ascorbic acids. The fabricated Pd-GOx-Nafion CNT glucose biosensor exhibits a linear response up to 12 mM glucose and a detection limit of 0.15 mM (S/N=3). (c) 2004 Elsevier B.V. All rights reserved.
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