Phase behavior and rheological properties of enzymatically synthesized trehalose decanoate aqueous solutions.
Identifieur interne : 000171 ( PubMed/Corpus ); précédent : 000170; suivant : 000172Phase behavior and rheological properties of enzymatically synthesized trehalose decanoate aqueous solutions.
Auteurs : L. Choplin ; V. Sadtler ; P. Marchal ; D. Sfayhi ; M. Ghoul ; J-M EngasserSource :
- Journal of colloid and interface science [ 0021-9797 ] ; 2006.
English descriptors
- KwdEn :
- MESH :
- chemical , chemical synthesis : Decanoates.
- chemical , chemistry : Cross-Linking Reagents, Solutions, Surface-Active Agents, Water.
- chemical , metabolism : Trehalose.
- chemical : Micelles.
- Molecular Structure, Phase Transition, Rheology, Shear Strength, Surface Properties, Temperature, Viscosity.
Abstract
Surface tension properties of an enzymatically synthesized equimolar mixture of trehalose mono- and didecanoate in aqueous solutions have been determined. At 20 degrees C a critical micellar concentration (CMC) of 50 micromol/l and a minimal surface tension of 28 mN/m have been obtained. Above the CMC, it has been shown that up to a concentration of 42 wt%, and in a 20-60 degrees C temperature range the sugar ester aqueous solutions do not form any crystalline structure, nor present any phase transition, and the trehalose decanoate molecules form an isotropic worm-like micellar phase. The rheological properties indicate however a more complicated picture in the same concentration and temperature ranges. In steady shear, the viscosity of the trehalose decanoate solutions do not exhibit any shear rate dependence from 1 to 100 s(-1) for concentrations up to 42 wt%. Below 0.8 wt%, the viscosity remains constant and close to that of water; then, between 0.8 and 23 wt%, the viscosity shows a quadratic increase with surfactant concentration. For higher concentrations, up to 42 wt%, no further significant increase in viscosity is observed. In oscillatory shear experiments, the solutions exhibit viscoelastic properties. The observed rheological behavior as a function of concentration and temperature may be due to a progressive evolution of the trehalose decanoate molecular associations: as the concentration increases, the system evolves towards an entangled and/or partially branched or cross-linked micellar network, and eventually a multiconnected network of cross-linked micelles.
DOI: 10.1016/j.jcis.2005.07.019
PubMed: 16125719
Links to Exploration step
pubmed:16125719Le document en format XML
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Ghoul</name></author><author><name sortKey="Engasser, J M" sort="Engasser, J M" uniqKey="Engasser J" first="J-M" last="Engasser">J-M Engasser</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2006">2006</date><idno type="doi">10.1016/j.jcis.2005.07.019</idno><idno type="RBID">pubmed:16125719</idno><idno type="pmid">16125719</idno><idno type="wicri:Area/PubMed/Corpus">000171</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000171</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Phase behavior and rheological properties of enzymatically synthesized trehalose decanoate aqueous solutions.</title><author><name sortKey="Choplin, L" sort="Choplin, L" uniqKey="Choplin L" first="L" last="Choplin">L. Choplin</name><affiliation><nlm:affiliation>Centre de Génie Chimique des Milieux Rhéologiquement Complexes, INPL-ENSIC, 1 rue Grandville, BP 20451, 54001 Nancy Cedex, France. lionel.choplin@ensic.inpl-nancy.fr</nlm:affiliation></affiliation></author><author><name sortKey="Sadtler, V" sort="Sadtler, V" uniqKey="Sadtler V" first="V" last="Sadtler">V. Sadtler</name></author><author><name sortKey="Marchal, P" sort="Marchal, P" uniqKey="Marchal P" first="P" last="Marchal">P. Marchal</name></author><author><name sortKey="Sfayhi, D" sort="Sfayhi, D" uniqKey="Sfayhi D" first="D" last="Sfayhi">D. Sfayhi</name></author><author><name sortKey="Ghoul, M" sort="Ghoul, M" uniqKey="Ghoul M" first="M" last="Ghoul">M. Ghoul</name></author><author><name sortKey="Engasser, J M" sort="Engasser, J M" uniqKey="Engasser J" first="J-M" last="Engasser">J-M Engasser</name></author></analytic><series><title level="j">Journal of colloid and interface science</title><idno type="ISSN">0021-9797</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cross-Linking Reagents (chemistry)</term><term>Decanoates (chemical synthesis)</term><term>Micelles</term><term>Molecular Structure</term><term>Phase Transition</term><term>Rheology</term><term>Shear Strength</term><term>Solutions (chemistry)</term><term>Surface Properties</term><term>Surface-Active Agents (chemistry)</term><term>Temperature</term><term>Trehalose (metabolism)</term><term>Viscosity</term><term>Water (chemistry)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemical synthesis" xml:lang="en"><term>Decanoates</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Cross-Linking Reagents</term><term>Solutions</term><term>Surface-Active Agents</term><term>Water</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Trehalose</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Micelles</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Molecular Structure</term><term>Phase Transition</term><term>Rheology</term><term>Shear Strength</term><term>Surface Properties</term><term>Temperature</term><term>Viscosity</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Surface tension properties of an enzymatically synthesized equimolar mixture of trehalose mono- and didecanoate in aqueous solutions have been determined. At 20 degrees C a critical micellar concentration (CMC) of 50 micromol/l and a minimal surface tension of 28 mN/m have been obtained. Above the CMC, it has been shown that up to a concentration of 42 wt%, and in a 20-60 degrees C temperature range the sugar ester aqueous solutions do not form any crystalline structure, nor present any phase transition, and the trehalose decanoate molecules form an isotropic worm-like micellar phase. The rheological properties indicate however a more complicated picture in the same concentration and temperature ranges. In steady shear, the viscosity of the trehalose decanoate solutions do not exhibit any shear rate dependence from 1 to 100 s(-1) for concentrations up to 42 wt%. Below 0.8 wt%, the viscosity remains constant and close to that of water; then, between 0.8 and 23 wt%, the viscosity shows a quadratic increase with surfactant concentration. For higher concentrations, up to 42 wt%, no further significant increase in viscosity is observed. In oscillatory shear experiments, the solutions exhibit viscoelastic properties. The observed rheological behavior as a function of concentration and temperature may be due to a progressive evolution of the trehalose decanoate molecular associations: as the concentration increases, the system evolves towards an entangled and/or partially branched or cross-linked micellar network, and eventually a multiconnected network of cross-linked micelles.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">16125719</PMID><DateCreated><Year>2005</Year><Month>11</Month><Day>28</Day></DateCreated><DateCompleted><Year>2007</Year><Month>06</Month><Day>13</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0021-9797</ISSN><JournalIssue CitedMedium="Print"><Volume>294</Volume><Issue>1</Issue><PubDate><Year>2006</Year><Month>Feb</Month><Day>1</Day></PubDate></JournalIssue><Title>Journal of colloid and interface science</Title><ISOAbbreviation>J Colloid Interface Sci</ISOAbbreviation></Journal><ArticleTitle>Phase behavior and rheological properties of enzymatically synthesized trehalose decanoate aqueous solutions.</ArticleTitle><Pagination><MedlinePgn>187-93</MedlinePgn></Pagination><Abstract><AbstractText>Surface tension properties of an enzymatically synthesized equimolar mixture of trehalose mono- and didecanoate in aqueous solutions have been determined. At 20 degrees C a critical micellar concentration (CMC) of 50 micromol/l and a minimal surface tension of 28 mN/m have been obtained. Above the CMC, it has been shown that up to a concentration of 42 wt%, and in a 20-60 degrees C temperature range the sugar ester aqueous solutions do not form any crystalline structure, nor present any phase transition, and the trehalose decanoate molecules form an isotropic worm-like micellar phase. The rheological properties indicate however a more complicated picture in the same concentration and temperature ranges. In steady shear, the viscosity of the trehalose decanoate solutions do not exhibit any shear rate dependence from 1 to 100 s(-1) for concentrations up to 42 wt%. Below 0.8 wt%, the viscosity remains constant and close to that of water; then, between 0.8 and 23 wt%, the viscosity shows a quadratic increase with surfactant concentration. For higher concentrations, up to 42 wt%, no further significant increase in viscosity is observed. In oscillatory shear experiments, the solutions exhibit viscoelastic properties. The observed rheological behavior as a function of concentration and temperature may be due to a progressive evolution of the trehalose decanoate molecular associations: as the concentration increases, the system evolves towards an entangled and/or partially branched or cross-linked micellar network, and eventually a multiconnected network of cross-linked micelles.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Choplin</LastName><ForeName>L</ForeName><Initials>L</Initials><AffiliationInfo><Affiliation>Centre de Génie Chimique des Milieux Rhéologiquement Complexes, INPL-ENSIC, 1 rue Grandville, BP 20451, 54001 Nancy Cedex, France. lionel.choplin@ensic.inpl-nancy.fr</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sadtler</LastName><ForeName>V</ForeName><Initials>V</Initials></Author><Author ValidYN="Y"><LastName>Marchal</LastName><ForeName>P</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Sfayhi</LastName><ForeName>D</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Ghoul</LastName><ForeName>M</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Engasser</LastName><ForeName>J-M</ForeName><Initials>JM</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2005</Year><Month>08</Month><Day>26</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Colloid Interface Sci</MedlineTA><NlmUniqueID>0043125</NlmUniqueID><ISSNLinking>0021-9797</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D003432">Cross-Linking Reagents</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance 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