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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Mao, Chang-Jie Chen, Xi-Bao Zhang, Sheng-Yi Niu, He-Lin Song, Ji-Ming Cui, Rong-Jing |
| Description | Country affiliation: China Author Affiliation: Mao CJ ( School of Chemistry and Chemical Engineering, Anhui University, Hefei 230039, China.) |
| Abstract | A novel enzymatic hydrogen peroxide sensor was successfully fabricated based on the nanocomposites containing of Ag/C nanocables and gold nanoparticles (AuNPs). Ag/C nanocables have been synthesized by a hydrothermal method and then AuNPs were assembled on the surface of Ag/C nanocables. The nanocomposites were confirmed by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and energy-dispersive X-ray spectrometry (EDS). The above nanocomposites have satisfactory chemical stability and excellent biocompatibility. Cyclic voltammetry (CV) was used to evaluate the electrochemical performance of the Ag/C/Au nanocomposites at glassy carbon electrode (GCE). The results indicated that the Ag/C/Au nanocomposites exhibited excellent electrocatalytic activity to the reduction of H(2)O(2). It offered a linear range of 6.7×10(-9) to 8.0×10(-6) M, with a detection limit of 2.2×10(-9) M. The apparent Michaelis-Menten constant of the biosensor was 51.7×10(-6) M. These results indicated that Ag/C/Au nanocomposites have potential for constructing of a variety of electrochemical biosensors. |
| ISSN | 09565663 |
| Issue Number | 1 |
| Volume Number | 31 |
| e-ISSN | 18734235 |
| Journal | Biosensors and Bioelectronics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-01-15 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biosensing Techniques Instrumentation Carbon Chemistry Conductometry Gold Horseradish Peroxidase Hydrogen Peroxide Analysis Nanostructures Nanotechnology Enzymes, Immobilized Equipment Design Equipment Failure Analysis Reproducibility Of Results Sensitivity And Specificity Journal Article Research Support, Non-u.s. Gov't Discipline Biotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Medicine Biophysics Biomedical Engineering Biotechnology Electrochemistry |
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