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首页> 外文期刊>Biophysical Chemistry: An International Journal Devoted to the Physical Chemistry of Biological Phenomena >Fluorescence correlation spectroscopy as a tool for the study of the intracellular dynamics and biological fate of protein corona
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Fluorescence correlation spectroscopy as a tool for the study of the intracellular dynamics and biological fate of protein corona

机译:荧光相关光谱作为研究蛋白质电晕的细胞内动态和生物命运的工具

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摘要

In biological fluids, nanoparticles (NPs) are in contact with proteins and other biomolecules. Proteins adsorb to NPs and form a coating called a protein corona (PC). The PC is known to greatly affect the interaction of NPs with biological systems. A comprehensive knowledge of the protein nanoparticle interaction is essential to, understand the biological fate of NPs and for the design of NPs for biomedicine. Fluorescence correlation spectroscopy (FCS) and fluorescence cross-correlation spectroscopy (FCCS) are sensitive spectroscopy techniques that measure fluorescence intensity fluctuations of single molecules inside a femtoliter confocal volume. Both techniques are suitable for studying the formation of protein corona around NPs and for examining corona stability in situ in biological matrixes. In this review we provide a short description of FCS/FCCS and their application in PC studies, highlighting results from our work about the impact of surface chemistry of NPs on corona formation and NP intracellular fate.
机译:在生物流体中,纳米颗粒(NPS)与蛋白质和其他生物分子接触。蛋白质吸附到NPS并形成称为蛋白质电晕(PC)的涂层。已知PC大大影响NP与生物系统的相互作用。综合了解蛋白质纳米粒子相互作用对NPS的生物命运和生物医学的NPS设计至关重要。荧光相关光谱(FCS)和荧光互相关光谱(FCCS)是敏感的光谱技术,其测量羽毛分子共焦体内单分子的荧光强度波动。这两种技术适用于研究NPS周围的蛋白质电晕并以生物基质原位检查电晕稳定性。在这篇审查中,我们在PC研究中提供了简短的FCS / FCCS及其应用,突出了我们关于NPS表面化学对电晕形成和NP细胞内命运的影响的结果。

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