Nitrogen-doped carbon nanotubes enhanced laccase enzymatic reactivity towards oxygen reduction and its application in biofuel cell

Nitrogen-doped carbon nanotubes enhanced laccase enzymatic reactivity towards oxygen reduction and its application in biofuel cell
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氮掺杂碳纳米管增强漆酶氧还原酶活性及其在生物燃料电池中的应用

DOI:
10.1016/j.elecom.2012.06.021
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发表时间:
2012-08
影响因子:
5.4
通讯作者:
Liu, Songqin
Liu, Songqin
中科院分区:
工程技术3区
文献类型:
--
作者:
Wei, Wei;Li, Peipei;Li, Ying;Cao, Xiaodong;Liu, Songqin

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氮掺杂碳纳米管(NCNTs)被设计用于蛋白质的固定化和生物传感。将戊二醛功能化壳聚糖(GCS)与NCNTs混合制备用于酶固定的纳米复合材料。GCS/NCNT纳米复合材料中的漆酶(Lac)或葡萄糖氧化酶(GOD)表现出良好的氧还原或葡萄糖氧化活性。这导致了葡萄糖/空气生物燃料电池的细化,其最大功率密度为21μWcm−2at 0.2V。
Nitrogen-doped carbon nanotubes (NCNTs) were designed for the immobilization and biosensing of proteins. The glutaraldehyde functionalized chitosan (GCS) was mixed with NCNTs to generate nanocomposites for enzyme immobilization. Laccase (Lac) or glucose oxidase (GOD) in GCS/NCNT nanocomposites displayed excellent enzymatic activity towards the reduction of oxygen or the oxidation of glucose. This led to elaboration of a glucose/air biofuel cell with a maximum power density of 21μWcm−2at 0.2V.
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