Reflection-absorption FT-IR spectroscopy of pentadecanoic acid at the air/water interface

Sinnamon, B. F., Dluhy, R. A. and Barnes, G. T. (1999) Reflection-absorption FT-IR spectroscopy of pentadecanoic acid at the air/water interface. Colloids and Surfaces, 146 1-3: 49-61. doi:10.1016/S0927-7757(98)00866-8


Author Sinnamon, B. F.
Dluhy, R. A.
Barnes, G. T.
Title Reflection-absorption FT-IR spectroscopy of pentadecanoic acid at the air/water interface
Journal name Colloids and Surfaces   Check publisher's open access policy
ISSN 0927-7757
Publication date 1999
Sub-type Article (original research)
DOI 10.1016/S0927-7757(98)00866-8
Volume 146
Issue 1-3
Start page 49
End page 61
Total pages 13
Place of publication Netherlands
Publisher Elsevier Science
Collection year 1999
Language eng
Subject C1
03 Chemical Sciences
Abstract Reflection-absorption Fourier transform infrared (RA FT-IR) spectra of spread monolayers of pentadecanoic acid have been obtained for a range of surface pressures at 292 and 297 K. Unpolarised and s- and p-polarised radiation at 30 degrees angle of incidence have been used. Results in the C-H stretching region reveal disorder in the arrangement of the acyl chains with numerous gauche bonds when the monolayer is in the liquid expanded (LE) phase and highly ordered chains with mostly trans bonds in the condensed phases (LC and S). The transition from one form to the other occurs at nearly constant surface pressure in the LE<->LC coexistence region. (C) 1999 Elsevier Science B.V. All rights reserved.
Keyword Chemistry, Physical
Reflection-absorption Ftir Spectroscopy
Monolayers
Ftir Spectra
Pentadecanoic Acid Monolayers
Monolayer Structure By Ftir
Air-water-interface
Chain Fatty-acids
X-ray-diffraction
Phase-transitions
Vibrational Spectroscopy
Phospholipid Monolayers
Infrared-spectroscopy
Molecular-orientation
Insoluble Monolayers
Conformational Order
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemistry and Molecular Biosciences
 
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Created: Tue, 10 Jun 2008, 13:34:10 EST