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首页> 外文期刊>Electroanalysis >Exploring Properties of a Hyperthermophilic Membrane-Bound Hydrogenase at Carbon Nanotube Modified Electrodes for a Powerful H2/O2 Biofuel Cell
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Exploring Properties of a Hyperthermophilic Membrane-Bound Hydrogenase at Carbon Nanotube Modified Electrodes for a Powerful H2/O2 Biofuel Cell

机译:在功能强大的H2 / O2生物燃料电池的碳纳米管修饰电极上探索超嗜热膜结合的加氢酶的特性

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Hydrogenases are the key enzymes for hydrogen metabolism in many microorganisms. Due to the high efficiency and specificity they developed for H_2 oxidation, they have been recently used as biocatalysts for an efficient H_2/O_2 biofuel cell. In this work we explore new properties of an O_(2~-), CO- and T~°-resistant hydrogenase. Enzyme immobilization on carbon nanotube modified electrodes is studied and optimized for long-term stabilization of the direct hydrogen catalytic oxidation process. The role of co-immobilized redox mediator is finally discussed in view of H_2/O_2 fuel cell performance enhancement.
机译:氢酶是许多微生物中氢代谢的关键酶。由于它们针对H_2氧化而开发的高效性和特异性,最近已被用作高效H_2 / O_2生物燃料电池的生物催化剂。在这项工作中,我们探索了抗O_(2〜-),CO-和T〜°的氢化酶的新特性。研究和优化了固定在碳纳米管修饰电极上的酶,以长期稳定直接氢催化氧化过程。鉴于H_2 / O_2燃料电池性能的提高,最后讨论了共固定化氧化还原介体的作用。

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