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Fabrication and application of a diamond-film glucose biosensor based on a H2O2 microarray electrode

✍ Scribed by Wu Jiali; Zhu Jianzhong; Zhang Guoxiong; Lin Xinru; Cheng Nianyi


Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
378 KB
Volume
327
Category
Article
ISSN
0003-2670

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✦ Synopsis


A novel glucose biosensor, using a diamond film as insulating substrate and HzOz microarray electrodes as basic electrodes, has been fabricated. Compared with previous glucose sensors, the sensor in this research has a greatly improved long-term stability. In the measurement in standard serums, co-existing substances did not interfere with the results of the glucose response current. Furthermore, while testing glucose concentrations of human blood serums, the results are comparable to those obtained with spectrophotometry.

Their correlation coefficient was 0.99. Measuring a blood sample of 12.0mmol/l repeatedly, its variation coefficient was 4.7%, and its deviation was 0.38.


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