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Influence of water in the lamellar rearrangement of internal wool lipids

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Title: Influence of water in the lamellar rearrangement of internal wool lipids
Authors: Coderch, Luisa lcnesl@iiqab.csic.es, Méndez, Sandra1, Martí, Meritxell1, Pons, Ramon1, Parra, José Luis1
Source: Colloids & Surfaces B: Biointerfaces. Oct2007, Vol. 60 Issue 1, p89-94. 6p.
Subjects: Lipid metabolism, X-ray scattering, Liposomes, Lecithin
Abstract: Abstract: Small angle X-ray scattering (SAXS) was applied to a new lipid model arrangement, which was achieved by concentrating or diluting internal wool lipid liposome suspensions in varying water concentrations. The influence of the water content in the lamellar structure of the internal wool lipids is compared with the lamellar structure of phosphatidylcholine bilayers present in the membranes of the living cells. The high increase in the lamellar distances with the water content indicates that large amounts of water can be retained in the lipid wool membrane in contrast to the case of phosphatidylcholine liposomes. A transition temperature between 40 and 50°C tends to eliminate the ordered lamellar structure when more than 60% of water is present in the bilayer structure. This could account for the increase in the permeability of the wool fibres when these are soaked in water at temperatures exceeding 40°C. [Copyright &y& Elsevier]
Copyright of Colloids & Surfaces B: Biointerfaces is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 26335376
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Influence of water in the lamellar rearrangement of internal wool lipids
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  Data: <searchLink fieldCode="AR" term="%22Coderch%2C+Luisa%22">Coderch, Luisa</searchLink><i> lcnesl@iiqab.csic.es</i><br /><searchLink fieldCode="AR" term="%22Méndez%2C+Sandra%22">Méndez, Sandra</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Martí%2C+Meritxell%22">Martí, Meritxell</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pons%2C+Ramon%22">Pons, Ramon</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Parra%2C+José+Luis%22">Parra, José Luis</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Colloids+%26+Surfaces+B%3A+Biointerfaces%22">Colloids & Surfaces B: Biointerfaces</searchLink>. Oct2007, Vol. 60 Issue 1, p89-94. 6p.
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  Data: <searchLink fieldCode="DE" term="%22Lipid+metabolism%22">Lipid metabolism</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+scattering%22">X-ray scattering</searchLink><br /><searchLink fieldCode="DE" term="%22Liposomes%22">Liposomes</searchLink><br /><searchLink fieldCode="DE" term="%22Lecithin%22">Lecithin</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: Small angle X-ray scattering (SAXS) was applied to a new lipid model arrangement, which was achieved by concentrating or diluting internal wool lipid liposome suspensions in varying water concentrations. The influence of the water content in the lamellar structure of the internal wool lipids is compared with the lamellar structure of phosphatidylcholine bilayers present in the membranes of the living cells. The high increase in the lamellar distances with the water content indicates that large amounts of water can be retained in the lipid wool membrane in contrast to the case of phosphatidylcholine liposomes. A transition temperature between 40 and 50°C tends to eliminate the ordered lamellar structure when more than 60% of water is present in the bilayer structure. This could account for the increase in the permeability of the wool fibres when these are soaked in water at temperatures exceeding 40°C. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Colloids & Surfaces B: Biointerfaces is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.colsurfb.2007.06.014
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: X-ray scattering
        Type: general
      – SubjectFull: Liposomes
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      – SubjectFull: Lecithin
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      – TitleFull: Influence of water in the lamellar rearrangement of internal wool lipids
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              Text: Oct2007
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              Y: 2007
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