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首页> 外文会议>ACS Symposium Series 904; American Chemical Society National Meeting; 20030323-27; New Orleans,LA(US) >Peroxidase-Catalyzed Oxidative Coupling of Phenols in the Presence of Geosorbents
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Peroxidase-Catalyzed Oxidative Coupling of Phenols in the Presence of Geosorbents

机译：存在吸附剂的过氧化物酶催化的酚类氧化偶联

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摘要

The effects of geosorbents on the enzymatically catalyzed coupling reactions of phenol are quantified and interpreted on the basis of a conceptual model advanced earlier. The work reveals that the reactivity of different sorbents with respect to cross-coupling with phenol radicals correlates with the chemical characteristics of the sorbents studied. Cross-coupling reactivities of the sorbents were found to decrease in the order lignin > Chelsea soil > Lachine shale > Polymethylstyrene; i.e., from humic-type organic matter (highly amorphous) to kerogen-like materials (relatively highly condensed). The information provided and insights gained from this study have important implications for the behavior and efficiency of enzymatic phenol coupling reactions that occur in natural environments. As such, they have utility in guiding remediation practices involving soil/sediment materials of different characteristics and properties.
机译：在较早提出的概念模型的基础上，定量分析了地质吸附剂对苯酚的酶催化偶联反应的影响。这项工作表明，不同吸附剂在与酚自由基交叉偶联方面的反应性与所研究吸附剂的化学特性有关。发现吸附剂的交叉偶联反应性按照木质素>切尔西土壤>拉欣页岩>聚甲基苯乙烯的顺序降低；即从腐殖质型有机物（高度无定形）到干酪根状材料（相对高度凝结）。这项研究提供的信息和见解对自然环境中发生的酶促酚偶联反应的行为和效率具有重要意义。因此，它们可用于指导涉及不同特性和性质的土壤/泥沙材料的修复实践。

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