Accession Number : ADA594167


Title :   Nanotube Interactions with Nanoparticles and Peptides


Descriptive Note : Doctoral thesis


Corporate Author : CALIFORNIA UNIV IRVINE DEPT OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCE


Personal Author(s) : Zheng, Lifeng


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a594167.pdf


Report Date : Jan 2008


Pagination or Media Count : 141


Abstract : Understanding of interactions between single-walled carbon nanotubes and other materials is critical for developing a new technology of self-assembling carbon nanotubes into electronics or drug delivery systems. We demonstrate for the first time the use of nanotube electrodes to manipulate nanoparticles in solution using dielectrophoresis. On the other hand, to understand a non-electrical assisted interaction, we investigate the binding affinity of carbon nanotubes and peptides via combinatorial phage display technique. We find a tryptophan rich binding motif to nanotubes on solid silicon substrates. The motif resembles an alpha helix with tryptophan concentrated along one side that binds non-covalently via interactions to the walls of the nanotube.


Descriptors :   *CARBON NANOTUBES , *ELECTRODES , *INTERACTIONS , *NANOPARTICLES , *PEPTIDES , *SYNTHESIS(CHEMISTRY) , BROWNIAN MOTION , BUFFERS(CHEMISTRY) , CHIPS(ELECTRONICS) , DEOXYRIBONUCLEIC ACIDS , DISPERSIONS , ELECTRIC FIELDS , ELECTRICAL PROPERTIES , ELECTROPHORESIS , GEOMETRY , GOLD , IMPEDANCE , MOLECULAR BIOLOGY , OPTICS , POLYSTYRENE , PROTEINS , SILICON , SPECTROSCOPY , SUBSTRATES , TRYPTOPHAN , WETTING


Subject Categories : Biochemistry
      Inorganic Chemistry
      Physical Chemistry
      Electrical and Electronic Equipment


Distribution Statement : APPROVED FOR PUBLIC RELEASE