Thursday, April 30, 2009

ISI Web of Knowledge Alert - Zhou, X

ISI Web of Knowledge Citation Alert

Cited Article: Zhou, X. Equilibrium and kinetics: Water confined in carbon nanotubes as one-dimensional lattice gas
Alert Expires: 22 OCT 2009
Number of Citing Articles: 1 new records this week (1 in this e-mail)
Organization ID: 3b97d1bbc1878baed0ab183d8b03130b
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Title:
Structure and Dynamics of Water Within Single Wall Carbon Nanotubes and Self-Assembled Cyclic Peptide Nanotubes

Authors:
Carvajal-Diaz, JA; Liu, LJ; Cagin, T

Author Full Names:
Carvajal-Diaz, Jennifer A.; Liu, Lijun; Cagin, Tahir

Source:
JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE 6 (4): 894-902 Sp. Iss. SI APR 2009

Language:
English

Document Type:
Article

Author Keywords:
Dynamics in Confined Media; Structure of Water; Carbon Nanotubes; Peptide Nanotubes; Diffusion; Membranes; Molecular Dynamics

KeyWords Plus:
MOLECULAR-DYNAMICS; DIFFUSION; MEMBRANES; CHANNEL; TRANSPORT; CONFINEMENT; CONDUCTION; ARCHITECTURE; SIMULATIONS; NANOWIRES

Abstract:
Structure and flow behavior of water in nanoscale confinement are critical for nanotechnology applications. In addition to influence of decreasing in dimensions imposed by the confinement, the nature of interaction may have substantial effect on structure and dynamics of water. In this work, we have utilized two distinct nanotube structures to assess the affect of these two factors. To emphasize the influence of atomic detail interactions play in this problem we have chosen two physically well defined systems: close packed single wall carbon nanotubes with varying diameter, length and chirality, and the self assembled cyclic peptide nanotubes formed by cyclic-[-(D-Ala-Gln-D-Ala-Glu)(2)-] subunits. We have employed molecular dynamics simulation method to study the behavior of water in these two model nano-scale membranes. To assess the similarities and differences, we have evaluated the dipole-dipole correlations, diffusion coefficient, density profiles along the nanotube, ra!
dial and axial distribution functions for water in nanotubes. The hydrophilic peptide nanotubes showed a higher value of diffusion coefficient when compared with the hydrophobic CNTs channels of equivalent diameter.

Reprint Address:
Cagin, T, Texas A&M Univ, Artie McFerrin Dept Chem Engn, College Stn, TX 77843 USA.

Research Institution addresses:
[Carvajal-Diaz, Jennifer A.; Liu, Lijun; Cagin, Tahir] Texas A&M Univ, Artie McFerrin Dept Chem Engn, College Stn, TX 77843 USA

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Cited Reference Count:
53

Times Cited:
0

Publisher:
AMER SCIENTIFIC PUBLISHERS; 25650 NORTH LEWIS WAY, STEVENSON RANCH, CA 91381-1439 USA

Subject Category:
Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter

ISSN:
1546-1955

DOI:
10.1166/jctn.2009.1123

IDS Number:
433EL

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