A copper-metalated, hybrid inorganic-organic polymer as an oxidative nuclease

被引：19
|
作者：
Chandrasekhar, V [1 ]
Athimoolam, A [1 ]
Krishnan, V [1 ]
Azhakar, R [1 ]
Madhavaiah, C [1 ]
Verma, S [1 ]
机构：
[1] Indian Inst Technol, Dept Chem, Kanpur 208016, Uttar Pradesh, India
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2005年 / 08期
关键词：
chemical nucleases; phosphazenes; pendant polymers; copper complexes; phosphate ester hydrolysis; heterogeneous catalysis;
D O I：
10.1002/ejic.200400727
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
This study describes nucleolytic activity of a copper-metalated, multisite-coordinating, hybrid polymer CPPL-Cu under oxidative conditions. Rapid relaxation of supercoiled plasmid DNA was observed and mechanistic probing by chemical and enzymatic assays revealed involvement of single-oxygen-derived reactive species. The heterogeneous nature of the catalyst allowed a facile recycling of the artificial nuclease. ((c) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005).
引用
收藏
页码：1482 / 1486
页数：5
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