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Principle of experiments. a, Nanowires are grown from gold seed particles (I) by metal organic vapor phase epitaxy (II) and coated with Al2O3 by atomic layer deposition (III). b, Schematic illustration of fluorescently labeled actin filaments (red) that are propelled by HMM motors adsorbed to the Al2O3 surface of nanowires. Note, illustration not to scale.
