染料-衬底相互作用的荧光相关光谱证明

Annales De Physique Pub Date : 2007-01-01 DOI:10.1051/ANPHYS:2008028

C. Boutin, J. Plain, R. Jaffiol, R. Déturche, P. Royer

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引用次数: 0

摘要

在本报告中，我们讨论了底物-水相互作用的性质如何改变单分子的自由扩散，从而影响荧光相关光谱测量。我们的研究结果表明，表面极性对界面的影响很大，可以达到几微米。这种效应是通过观察到的接近表面的二维扩散过程的相对权重来评估的。

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Dye-substrate interactions evidenced by fluorescence correlation spectroscopy

In this report, we discuss how the nature of the substrate-water interaction may modify the free diffusion of single molecules, then influencing fluorescence correlation spectroscopy measurements. Our results show a strong influence, up to a few micrometers from the interface, of the surface polarity. This effect is assessed through the relative weight of the two dimension diffusion process observed close to the surface.

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Annales De Physique 物理-物理：综合

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