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Study on an improved bio-electrode made with glucose oxidase immobilized mesoporous carbon in biofuel cells

机译:用生物燃料细胞改进用葡萄糖氧化酶固定化介孔碳制备的改进生物电极

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摘要

Response surface methodology (RSM) was used for process optimization to immobilize glucose oxidase (GOx) on ordered mesoporous carbon (OMC). Results showed that the maximum GOx adsorption on OMC was 37.38 mg g(-1) OMC with the activity of 8531.59 U g(-1) GOx-immobilized OMC under the optimized conditions. The interaction effect between GOx, OMC concentration and NaCl and pH were observed. By immobilizing GOx on OMC, we can improve the retained catalyst activity at high temperature (37.3 degrees C) and shift the optimum reaction pH towards a high value (pH 7.2). The electrochemical characteristics of immobilized GOx can also be enhanced with higher current peak (85.12 mu A cm(-2)) and lower reduction potential.
机译:响应表面方法(RSM)用于过程优化以将葡萄糖氧化酶(GOX)固定在有序的介孔碳(OMC)上。 结果表明,OMC上的最大GOX吸附量为37.38mg(-1)OMC,在优化条件下的8531.59u g(-1)GOX-Imbizized OMC。 观察到GOX,OMC浓度和NaCl和pH之间的相互作用效果。 通过固定OMC的GOX,我们可以在高温(37.3℃)下改善保留的催化剂活性,并将最佳反应pH转移到高值(pH7.2)。 固定的GOX的电化学特性也可以通过更高的电流峰值(85.12μm(-2))和降低潜力降低。

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  • 来源
    《RSC Advances》 |2016年第29期|共7页
  • 作者单位

    Shenzhen Univ Coll Life Sci Shenzhen 518055 Guangdong Peoples R China;

    N Carolina State Univ Dept Biol &

    Agr Engn Raleigh NC 27695 USA;

    N Carolina State Univ Dept Text Engn Chem &

    Sci Raleigh NC 27695 USA;

    N Carolina State Univ Dept Text Engn Chem &

    Sci Raleigh NC 27695 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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