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Enhanced Catalytic Activity of Self-Assembled-Monolayer- Capped Gold Nanoparticles

机译：自组装单分子层封顶的金纳米粒子的增强的催化活性。

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摘要

Natural metalloenzymes mediate highly selective and efficient catalytic reactions on the basis of molecular recognition (i.e., highly ordered and selective non-covalent encapsulation of a substrate molecule within the enzyme's active reaction space and subsequent transformation of the substrate to the target product by metal-complex-based catalysis).[1] Much effort has been devoted to mimic molecular-encapsulation-based catalysis since the mechanism of this catalytic reaction provides an ideal and promising model to develop highly active catalysts. In this sense, semiartificial approaches based on the use of natural proteins (e.g., apoenzyme), wherein a metal-complex catalyst is incorporated into the reaction sites as a cofactor,[2,3] and artificial approaches, in which large molecules such as polymers,[4-6] den-drimers,[7] supramolecular hosts,[8,9] and mesoporous materials[10] provide the protein-like reaction space required for enhancing the catalytic activity of the metal complex, have been adopted.
机译：天然金属酶在分子识别的基础上介导高度选择性和高效的催化反应（即酶活性反应空间内底物分子的高度有序和选择性非共价封装，以及随后通过金属络合物将底物转化为目标产物催化）。[1]由于这种催化反应的机理为开发高活性催化剂提供了理想且有前途的模型，因此已经为模拟基于分子包封的催化做出了很多努力。在这种意义上，半人工方法基于天然蛋白质（例如脱辅酶）的使用，其中金属络合物催化剂作为辅因子掺入反应位点，[2,3]和人工方法，其中大分子如已经采用了聚合物，[4-6]树枝状聚合物，[7]超分子主体[8,9]和中孔材料[10]，它们提供了增强金属络合物催化活性所需的蛋白样反应空间。

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  • 来源
    《Advanced Materials》 |2012年第48期|6462-6467|共6页
  • 作者

    Tomoya Taguchi; Katsuhiro Isozaki; Kazushi Miki;

  • 作者单位

    Polymer Materials Unit National Institute for Materials Science 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan,Department of Pure and Applied Sciences University of Tsukuba, 1-1-1 Tennodai Tsukuba, Ibaraki 305-8571, Japan;

    Polymer Materials Unit National Institute for Materials Science 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan,Institute for Chemical Research Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan;

    Polymer Materials Unit National Institute for Materials Science 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan,Department of Pure and Applied Sciences University of Tsukuba, 1-1-1 Tennodai Tsukuba, Ibaraki 305-8571, Japan;

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