Stability of orange oil/water nanoemulsions prepared by the PIT method.
Identifieur interne : 000756 ( PubMed/Curation ); précédent : 000755; suivant : 000757Stability of orange oil/water nanoemulsions prepared by the PIT method.
Auteurs : Verônica B. Souza [Brésil] ; Sarah M. Almeida ; Luciana S. Spinelli ; Claudia R E. MansurSource :
- Journal of nanoscience and nanotechnology [ 1533-4880 ] ; 2011.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Emulsions, Plant Oils, Surface-Active Agents, Water.
- chemistry : Citrus sinensis, Nanostructures.
- ultrastructure : Nanostructures.
- Materials Testing, Particle Size, Phase Transition.
Abstract
This article reports the preparation and characterization of orange oil/water nanoemulsions stabilized by commercial nonionic surfactants based on ethoxylated lauryl ether (Ultrol line), by the phase inversion temperature (PIT) method. The orange oil/surfactant/water dispersions were prepared at different HLB values, by varying the concentrations of the surfactants as well as the concentration of the oil phase. The stability of the o/w nanoemulsions and the size distribution of the dispersed particles in these systems in general depended on the concentration of the oil phase used: the emulsions prepared with an oil phase of 14 wt% had smaller droplet size in the dispersed phase than the emulsions prepared in the presence of oil phases of 20 and 30 wt%. The nanoemulsions prepared with pure surfactants were more stable in the presence of Ultrol L60, but the surfactants' cloud point had a strong influence on the stability of the emulsions formed when this was very near room temperature. Because of this, we prepared systems containing mixtures of surfactants. Among these systems, the most stable nanoemulsions were those prepared with a Ultrol L100/Ultrol L20 mixture with HLB of 12.40. This behavior can be attributed to the complete solubilization in mixed micelles of the more hydrophobic surfactant.
PubMed: 21449374
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Almeida</name></author><author><name sortKey="Spinelli, Luciana S" sort="Spinelli, Luciana S" uniqKey="Spinelli L" first="Luciana S" last="Spinelli">Luciana S. Spinelli</name></author><author><name sortKey="Mansur, Claudia R E" sort="Mansur, Claudia R E" uniqKey="Mansur C" first="Claudia R E" last="Mansur">Claudia R E. Mansur</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="RBID">pubmed:21449374</idno><idno type="pmid">21449374</idno><idno type="wicri:Area/PubMed/Corpus">000756</idno><idno type="wicri:Area/PubMed/Curation">000756</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Stability of orange oil/water nanoemulsions prepared by the PIT method.</title><author><name sortKey="Souza, Veronica B" sort="Souza, Veronica B" uniqKey="Souza V" first="Verônica B" last="Souza">Verônica B. Souza</name><affiliation wicri:level="1"><nlm:affiliation>Federal University of Rio de Janeiro, Institute of Macromolecules, Technology Center B. J, Ilha do Fundão, Rio de Janeiro, PO Box 68525, Zip Code 21945-970, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Federal University of Rio de Janeiro, Institute of Macromolecules, Technology Center B. J, Ilha do Fundão, Rio de Janeiro, PO Box 68525, Zip Code 21945-970</wicri:regionArea></affiliation></author><author><name sortKey="Almeida, Sarah M" sort="Almeida, Sarah M" uniqKey="Almeida S" first="Sarah M" last="Almeida">Sarah M. Almeida</name></author><author><name sortKey="Spinelli, Luciana S" sort="Spinelli, Luciana S" uniqKey="Spinelli L" first="Luciana S" last="Spinelli">Luciana S. Spinelli</name></author><author><name sortKey="Mansur, Claudia R E" sort="Mansur, Claudia R E" uniqKey="Mansur C" first="Claudia R E" last="Mansur">Claudia R E. Mansur</name></author></analytic><series><title level="j">Journal of nanoscience and nanotechnology</title><idno type="ISSN">1533-4880</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Citrus sinensis (chemistry)</term><term>Emulsions (chemistry)</term><term>Materials Testing</term><term>Nanostructures (chemistry)</term><term>Nanostructures (ultrastructure)</term><term>Particle Size</term><term>Phase Transition</term><term>Plant Oils (chemistry)</term><term>Surface-Active Agents (chemistry)</term><term>Water (chemistry)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Emulsions</term><term>Plant Oils</term><term>Surface-Active Agents</term><term>Water</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Citrus sinensis</term><term>Nanostructures</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Nanostructures</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Materials Testing</term><term>Particle Size</term><term>Phase Transition</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This article reports the preparation and characterization of orange oil/water nanoemulsions stabilized by commercial nonionic surfactants based on ethoxylated lauryl ether (Ultrol line), by the phase inversion temperature (PIT) method. The orange oil/surfactant/water dispersions were prepared at different HLB values, by varying the concentrations of the surfactants as well as the concentration of the oil phase. The stability of the o/w nanoemulsions and the size distribution of the dispersed particles in these systems in general depended on the concentration of the oil phase used: the emulsions prepared with an oil phase of 14 wt% had smaller droplet size in the dispersed phase than the emulsions prepared in the presence of oil phases of 20 and 30 wt%. The nanoemulsions prepared with pure surfactants were more stable in the presence of Ultrol L60, but the surfactants' cloud point had a strong influence on the stability of the emulsions formed when this was very near room temperature. Because of this, we prepared systems containing mixtures of surfactants. Among these systems, the most stable nanoemulsions were those prepared with a Ultrol L100/Ultrol L20 mixture with HLB of 12.40. This behavior can be attributed to the complete solubilization in mixed micelles of the more hydrophobic surfactant.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21449374</PMID><DateCreated><Year>2011</Year><Month>3</Month><Day>31</Day></DateCreated><DateCompleted><Year>2011</Year><Month>05</Month><Day>13</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1533-4880</ISSN><JournalIssue CitedMedium="Print"><Volume>11</Volume><Issue>3</Issue><PubDate><Year>2011</Year><Month>Mar</Month></PubDate></JournalIssue><Title>Journal of nanoscience and nanotechnology</Title><ISOAbbreviation>J Nanosci Nanotechnol</ISOAbbreviation></Journal><ArticleTitle>Stability of orange oil/water nanoemulsions prepared by the PIT method.</ArticleTitle><Pagination><MedlinePgn>2237-43</MedlinePgn></Pagination><Abstract><AbstractText>This article reports the preparation and characterization of orange oil/water nanoemulsions stabilized by commercial nonionic surfactants based on ethoxylated lauryl ether (Ultrol line), by the phase inversion temperature (PIT) method. The orange oil/surfactant/water dispersions were prepared at different HLB values, by varying the concentrations of the surfactants as well as the concentration of the oil phase. The stability of the o/w nanoemulsions and the size distribution of the dispersed particles in these systems in general depended on the concentration of the oil phase used: the emulsions prepared with an oil phase of 14 wt% had smaller droplet size in the dispersed phase than the emulsions prepared in the presence of oil phases of 20 and 30 wt%. The nanoemulsions prepared with pure surfactants were more stable in the presence of Ultrol L60, but the surfactants' cloud point had a strong influence on the stability of the emulsions formed when this was very near room temperature. Because of this, we prepared systems containing mixtures of surfactants. Among these systems, the most stable nanoemulsions were those prepared with a Ultrol L100/Ultrol L20 mixture with HLB of 12.40. This behavior can be attributed to the complete solubilization in mixed micelles of the more hydrophobic surfactant.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Souza</LastName><ForeName>Verônica B</ForeName><Initials>VB</Initials><AffiliationInfo><Affiliation>Federal University of Rio de Janeiro, Institute of Macromolecules, Technology Center B. J, Ilha do Fundão, Rio de Janeiro, PO Box 68525, Zip Code 21945-970, Brazil.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Almeida</LastName><ForeName>Sarah M</ForeName><Initials>SM</Initials></Author><Author ValidYN="Y"><LastName>Spinelli</LastName><ForeName>Luciana S</ForeName><Initials>LS</Initials></Author><Author ValidYN="Y"><LastName>Mansur</LastName><ForeName>Claudia R E</ForeName><Initials>CR</Initials></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>J Nanosci Nanotechnol</MedlineTA><NlmUniqueID>101088195</NlmUniqueID><ISSNLinking>1533-4880</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D004655">Emulsions</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D010938">Plant Oils</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D013501">Surface-Active Agents</NameOfSubstance></Chemical><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D032084" MajorTopicYN="N">Citrus sinensis</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004655" MajorTopicYN="N">Emulsions</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008422" MajorTopicYN="N">Materials Testing</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D049329" MajorTopicYN="N">Nanostructures</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName><QualifierName UI="Q000648" MajorTopicYN="Y">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010316" MajorTopicYN="N">Particle Size</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D044367" MajorTopicYN="N">Phase Transition</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010938" MajorTopicYN="N">Plant Oils</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013501" MajorTopicYN="N">Surface-Active Agents</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014867" MajorTopicYN="N">Water</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>4</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>4</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2011</Year><Month>5</Month><Day>14</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">21449374</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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