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Molecular Motor-Powered Shuttles along Multi-walled Carbon Nanotube Tracks

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posted on 12.02.2014, 00:00 by Aurélien Sikora, Javier Ramón-Azcón, Kyongwan Kim, Kelley Reaves, Hikaru Nakazawa, Mitsuo Umetsu, Izumi Kumagai, Tadafumi Adschiri, Hitoshi Shiku, Tomokazu Matsue, Wonmuk Hwang, Winfried Teizer
As a complementary tool to nanofluidics, biomolecular-based transport is envisioned for nanotechnological devices. We report a new method for guiding microtubule shuttles on multi-walled carbon nanotube tracks, aligned by dielectrophoresis on a functionalized surface. In the absence of electric field and in fluid flow, alignment is maintained. The directed translocation of kinesin propelled microtubules has been investigated using fluorescence microscopy. To our knowledge, this is the first demonstration of microtubules gliding along carbon nanotubes.