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首页> 外文期刊>Nanotechnology >Direct observation of the binding process between protein and quantum dots by in situ surface plasmon resonance measurements
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Direct observation of the binding process between protein and quantum dots by in situ surface plasmon resonance measurements

机译：通过原位表面等离子体共振测量直接观察蛋白质和量子点之间的结合过程

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摘要

A layer-by-layer surface decoration technique has been developed to anchor quantum dots (QDs) onto a gold substrate and an in situ surface plasmon resonance technique has been used to study interactions between the QDs and different proteins. Direct observation of the binding of the protein onto the QDs and the kinetics of the adsorption and dissociation of different proteins on the QDs has been achieved. This would be helpful for the identification of particle-associated proteins and may offer a fundamental prerequisite for nanobiology, nanomedicine and nanotoxicology. The combination of the novel layer-by-layer surface modification method and in situ surface plasmon resonance would be powerful in studying biological systems such as DNA and cells.
机译：已经开发出了一种逐层的表面修饰技术，以将量子点（QD）锚定在金基底上，并且原位表面等离子体共振技术已经用于研究QD与不同蛋白质之间的相互作用。直接观察到了蛋白质与量子点的结合以及不同蛋白质在量子点上的吸附和解离动力学。这将有助于鉴定与颗粒相关的蛋白质，并可能为纳米生物学，纳米医学和纳米毒理学提供基本前提。新颖的逐层表面修饰方法与原位表面等离振子共振的结合将对研究生物系统（例如DNA和细胞）具有强大的作用。

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