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arXiv 1202.3796cond-mat.softphysics.bio-phq-bio.BM
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了解蛋白质的表面吸附:Vroman效应

Understanding surface-adsorption of proteins: the Vroman effect

Pol Vilaseca, Kenneth A. Dawson, Giancarlo Franzese

摘要:

现在公认的是,细胞对生物介质中材料的反应在很大程度上反映了吸附的生物分子层,而不是材料本身。在这里,我们通过分子动力学模拟研究了表面上的竞争性蛋白质吸附(Vroman效应),即与血浆接触的表面上吸附的蛋白质的量作为接触时间和血浆浓度的函数的非单调行为。我们发现了一种复杂的行为,在这种情况下,小蛋白和大蛋白不一定在它们之间竞争,而是在溶液中与其他蛋白竞争。我们展示了如何理解,控制和逆转的效果。

英文摘要:

It is now well accepted that cellular responses to materials in a biological medium reflect greatly the adsorbed biomolecular layer, rather than the material itself. Here, we study by molecular dynamic simulations the competitive protein adsorption on a surface (Vroman effect), i.e. the non-monotonic behavior of the amount of protein adsorbed on a surface in contact with plasma as a function of contact time and plasma concentration. We find a complex behavior, with regimes during which small and large proteins are not necessarily competing between them, but are both competing with others in solution. We show how the effect can be understood, controlled and inverted.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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