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Tianhong Chen and Björn M. Reinhard Characterizing the Lateral Friction of Nanoparticles on On-Chip Integrated Black Lipid Membranes Small 9

Article first published online: 23 NOV 2012 | DOI: 10.1002/smll.201202005

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The diffusion behavior of gold nanoparticles (NPs) functionalized with different surface chemistries on black lipid membranes is investigated by dark-field microscopy. NPs tethered in close vicinity to the membrane exhibit a substantial lateral frictional drag that reduces their lateral mobility. The membrane model system facilitates a systematic investigation of the influence of NP size, shape, charge, and surface composition on the lateral mobility.

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