| 摘要(英) |
With the rapid development of technology, biosensors have been used extensively in medical detecting. Glucose biosensors, which have become the convenient and mature product, have great economic value because of huge consume in the world. In this study, in order to prepare lower cost gold electrode glucose biosensors, the screen printed substrate which contained palladium catalyst was prepared. The effects of contents of palladium on the performance of biosensor was investigated. A reactor for electroless plating was designed. Nickel, palladium and gold were deposited on the substrate in order to increase the conductivity of electron passed through the sample. The operating parameters such as temperature, time, hardness and thickness were changed to study their effects on the stability of product. The samples were then doped by the enzyme to check the performance of glucose biosensors. The samples were characterized by focused ion beam (FIB), scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The results illustrated that the better operating conditions of electroless reactors for nickel, palladium and gold was at the region of temperature and dipping time. |
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