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SP1 protein-based nanostructures and arrays

机译:基于SP1蛋白质的纳米结构和阵列

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Controlled formation of complex nanostructures is one of the main goals of nanoscience and nanotechnology. Stable Protein 1 (SP1) is a boiling-stable ring protein complex, 11 nm in diameter, which self-assembles from 12 identical monomers. SP1 can be utilized to form large ordered arrays; it can be easily modified by genetic engineering to produce various mutants; it is also capable of binding gold nanoparticles (GNPs) and thus forming protein-GNP chains made of alternating SP1s and GNPs. We report the formation and the protocols leading to the formation of those nanostructures and their characterization by transmission electron microscopy, atomic force microscopy, and electrostatic force microscopy. Further control over the GNP interdistances within the protein-GNP chains may lead to the formation of nanowires and structures that may be useful for nanoelectronics.
机译:复杂纳米结构的受控形成是纳米科学和纳米技术的主要目标之一。稳定蛋白1(SP1)是一种沸腾稳定的环状蛋白复合物,直径为11 nm,由12个相同的单体自组装而成。 SP1可以用来形成大型有序阵列。通过基因工程可以很容易地对其进行修饰以产生各种突变体。它也能够结合金纳米颗粒(GNP),从而形成由交替的SP1和GNP组成的蛋白质-GNP链。我们报告了形成和协议,导致那些纳米结构的形成及其通过透射电子显微镜,原子力显微镜和静电力显微镜表征。对蛋白质-GNP链内GNP距离的进一步控制可能导致形成纳米线和结构,这些结构可能对纳米电子学有用。

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