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漆酶/介体催化体系中介体的反应性能

Reactive Ability of NHA in the Laccase and Mediator System(LMS)

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【作者】 付时雨; 詹怀宇; 余惠生;

【Author】 Fu Shiyu1,2 Zhan Huaiyu1 Yu Huisheng2 (1 State Key Lab of Pulp & Paper Engineering, South China University of Technology, Guangzhou, Guangdong Province, 510641; 2 Lab of Cellulose and Lignocellulosics Chemistry, CAS, Guangzhou, Guangdong Prov

【机构】 华南理工大学制浆造纸工程国家重点实验室!广州510641中国科学院广州化学研究所纤维素化学开放实验室广州510650; 华南理工大学制浆造纸工程国家重点实验室!广州510641; 中国科学院广州化学研究所纤维素化学开放实验室!广州510650;

【摘要】 对用于漆酶/介体催化体系的介体N-羟基-N-乙酰基苯胺(NHA)的氧化还原势以及在反应体系中的可逆性进行了研究,比较了NHA和1-羟基苯并三唑(HBT)与漆酶氧化藜芦醇的反应动力学,并且比较了几种介体在漆酶/介体体系中的脱木素效果。结果表明NHA与漆酶构成的催化体系具有较强的脱木素性能。

【Abstract】 The redox potential of N-hydroxyl-N-acetanilide (NHA) and its reversibility in the reaction were investigated by cyclic and deferential voltammogram technology, and the oxidative kinetics of veratryl alcohol by LMS were compared using NHA and HBT as mediator respectively. It was showed that the NHA was quasi-reversible in the redox reaction, with which the oxidative rate of substrate by LMS was higher than that with HBT. The efficiency of dilignification with LMS using NHA would be better than using other mediators.

【关键词】 漆酶; 介体; 氧化还原反应;
【Key words】 laccase; mediator; redox reaction;
【基金】 国家自然科学基金和山东大学微生物技术国家重点实验室的资助。
  • 【文献出处】 中国造纸 ,China Pulp & Paper , 编辑部邮箱 ,2001年05期
  • 【分类号】TS713
  • 【被引频次】46
  • 【下载频次】431
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