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Article: Determination of lattice structure and calculation of molecular tilt in lipid monolayers on water using x-ray diffraction

TitleDetermination of lattice structure and calculation of molecular tilt in lipid monolayers on water using x-ray diffraction
Authors
Issue Date1990
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B, 1990, v. 41 n. 7, p. 4846-4849 How to Cite?
AbstractWe report the first determination of lattice structure for classical (fatty acid and alcohol) monolayer systems on the surface of water, based on our observation of first- and second-order x-ray diffraction peaks. Monolayers of both heneicosanoic acid and heneicosanol in the highest-pressure phase pack into a distorted hexagonal lattice with orthorhombic cell dimensions of a7.5 t/rA, b5.0 i/rA. From the observed peak intensities, we have calculated the molecular tilt directions and magnitudes, using the assumption (reasonable given the dense packing) that the chains are parallel to each other and in the all-trans configuration. the temperature range 05°C, the molecules tilt towards the b axis, but at higher temperatures the tilt direction changes to the a axis. © 1990 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/90919
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorBohanon, TMen_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorShih, MCen_HK
dc.contributor.authorIce, GEen_HK
dc.contributor.authorDutta, Pen_HK
dc.date.accessioned2010-09-17T10:10:21Z-
dc.date.available2010-09-17T10:10:21Z-
dc.date.issued1990en_HK
dc.identifier.citationPhysical Review B, 1990, v. 41 n. 7, p. 4846-4849en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90919-
dc.description.abstractWe report the first determination of lattice structure for classical (fatty acid and alcohol) monolayer systems on the surface of water, based on our observation of first- and second-order x-ray diffraction peaks. Monolayers of both heneicosanoic acid and heneicosanol in the highest-pressure phase pack into a distorted hexagonal lattice with orthorhombic cell dimensions of a7.5 t/rA, b5.0 i/rA. From the observed peak intensities, we have calculated the molecular tilt directions and magnitudes, using the assumption (reasonable given the dense packing) that the chains are parallel to each other and in the all-trans configuration. the temperature range 05°C, the molecules tilt towards the b axis, but at higher temperatures the tilt direction changes to the a axis. © 1990 The American Physical Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review Ben_HK
dc.titleDetermination of lattice structure and calculation of molecular tilt in lipid monolayers on water using x-ray diffractionen_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevB.41.4846en_HK
dc.identifier.scopuseid_2-s2.0-0242536304en_HK
dc.identifier.volume41en_HK
dc.identifier.issue7en_HK
dc.identifier.spage4846en_HK
dc.identifier.epage4849en_HK
dc.identifier.isiWOS:A1990CU14000134-

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