Nano Archive

Nanopumping molecules via a carbon nanotube

Chen, Min and Zang, Ji and Xiao, Dingquan and Zhang, C. and Liu, Feng (2009) Nanopumping molecules via a carbon nanotube. Nano Research, 2 (12). pp. 938-944. ISSN 1998-0124 (Print) 1998-0000 (Online)


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We demonstrate the feasibility of using a carbon nanotube to nanopump molecules. Molecular dynamics simulations show that the transport and ejection of a C20 molecule via a single-walled carbon nanotube (SWNT) can be achieved by a sustained mechanical actuation driven by two oscillating tips. The optimal condition for nanopumping is found when the tip oscillation frequency and magnitude correlate to form quasi steady-state mechanical wave propagation in the SWNT, so that the energy transfer process is optimal leading to maximal molecular translational motion and minimal rotational motion. Our finding provides a potentially useful mechanism for using an SWNT as a vehicle to deliver large drug molecules.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:8398
Deposited By:JNCASR
Deposited On:30 Mar 2010 05:25
Last Modified:30 Mar 2010 05:25

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