Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7622
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dc.contributor.authorKılıç, Sevgi-
dc.date.accessioned2020-01-23T12:25:40Z
dc.date.available2020-01-23T12:25:40Z
dc.date.issued2018-08en_US
dc.identifier.citationKılıç, S. (2018). Quantification of PEG40St squeeze out from DSPC/PEG40St monolayers at higher molar ratios. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 551, 58-64. doi:10.1016/j.colsurfa.2018.05.001en_US
dc.identifier.issn0927-7757
dc.identifier.issn0927-7757-
dc.identifier.urihttps://doi.org/10.1016/j.colsurfa.2018.05.001
dc.identifier.urihttps://hdl.handle.net/11147/7622
dc.description.abstractMixtures of 1,2 Distearoyl-sn-glycero-3-phosphocholine (DSPC) and polyoxyethylene-40-stearate (PEG40St) were prepared at different molar ratios and their miscibility were investigated using Langmuir isotherms. Pure DSPC monolayer exhibited a liquid-condensed (LC) phase whereas PEG40St monolayer exhibited liquid-expanded (LE) phase at the air-water interface at 22 ± 2 °C. At the collapse pressure of 33 mN/m, the PEG40St mean molecular area was calculated to be 28 Å2/molecule for 9:1 composition and 50 Å2/molecule for 5:5 composition, showing an increasing trend with the emulsifier content. A quantification method was developed to estimate the squeeze out amount of PEG40St from Langmuir isotherms of the DSPC/PEG40St mixtures at different molar ratios. Almost 93%, 82%, and 53% of PEG40St displaced for the 9:1, 7:3, and 5:5 mixtures, respectively, at the end of the first collapse plateau and showed a decreasing trend with the PEG40St content. Remaining PEG40St squeezed out at the end of the second collapse plateau, where 20% of PEG40St still contained within the 5:5 composition. It was concluded that increasing PEG40St content would be advantageous to design more stable lipid based microbubbles.en_US
dc.description.sponsorshipTUBITAK (113M270)en_US
dc.language.isoengen_US
dc.publisherElsevier Ltd.en_US
dc.relation.ispartofColloids and Surfaces A: Physicochemical and Engineering Aspectsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDSPCen_US
dc.subjectEmulsifieren_US
dc.subjectLangmuir troughen_US
dc.subjectMicrobubblesen_US
dc.subjectSqueeze outen_US
dc.subjectUltrasound contrast agenten_US
dc.titleQuantification of PEG40St squeeze out from DSPC/PEG40St monolayers at higher molar ratiosen_US
dc.typeArticleen_US
dc.authorid0000-0002-1184-0123en_US
dc.institutionauthorKılıç, Sevgi-
dc.departmentİzmir Institute of Technology. Chemical Engineeringen_US
dc.identifier.volume551en_US
dc.identifier.startpage58en_US
dc.identifier.endpage64en_US
dc.identifier.wosWOS:000433219900008en_US
dc.identifier.scopus2-s2.0-85046763563en_US
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/MAG/113M270
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/j.colsurfa.2018.05.001-
dc.relation.doi10.1016/j.colsurfa.2018.05.001en_US
dc.coverage.doi10.1016/j.colsurfa.2018.05.001en_US
dc.identifier.wosqualityQ2-
dc.identifier.scopusqualityN/A-
item.grantfulltextopen-
item.openairetypeArticle-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
crisitem.author.dept03.02. Department of Chemical Engineering-
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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