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Formation of Ag Nanostrings Induced by Lyotropic Liquid Crystalline Phospholipid Multilayer

Title
Formation of Ag Nanostrings Induced by Lyotropic Liquid Crystalline Phospholipid Multilayer
Author
김영호
Keywords
SILVER NANOPARTICLES; PEPTIDE NANOTUBES; MEMBRANES; ORGANIZATION; TRANSITIONS; CURVATURE; NANOWIRES; LIPOSOMES
Issue Date
2012-01
Publisher
ACS AMERICAN CHEMICAL SOCIETY
Citation
Langmuir, 2012, 28(1), P.259-263
Abstract
Morphological variation of the Ag nanoparticles embedded in a lyotropic phospholipid (1,2-dioleoyl-sn-glycero-3-phosphoethanolamine, DOPE) membrane during hydration was investigated. Hydration at 5 C resulted in transformation of the Ag nanoparticles into a bundle of Ag nanostrings as the Ag nanoparticles conformed to the H(II) phase of the DOPE molecules. Above 30 C, the nanoparticles quickly coarsened into large polygonal-shaped particles since high mobility of the lipid molecules overwhelmed the tendency for the Ag nanoparticles to order. The result provided an insight into the long-term stability of nanoparticles trapped in different lipid membranes depending on the structural ordering of the molecules.
URI
https://pubs.acs.org/doi/10.1021/la203721chttp://hdl.handle.net/20.500.11754/52782
ISSN
0743-7463
DOI
10.1021/la203721c
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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