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WFRF:(Skoda Maximilian W.A.)
 

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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004533naa a2200493 4500
001oai:DiVA.org:mau-3971
003SwePub
008200228s2015 | |||||||||||000 ||eng|
009oai:lup.lub.lu.se:07f3ee91-0562-47db-b61f-43abd063e27a
024a https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-39712 URI
024a https://doi.org/10.1039/c4sm02296c2 DOI
024a https://lup.lub.lu.se/record/49057842 URI
040 a (SwePub)maud (SwePub)lu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Wadsäter, Mariau Lund University,Lunds universitet,Fysikalisk kemi,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Physical Chemistry,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)fkem-mrw
2451 0a Structural effects of the dispersing agent polysorbate 80 on liquid crystalline nanoparticles of soy phosphatidylcholine and glycerol dioleate
264 c 2015
264 1b Royal Society of Chemistry,c 2015
338 a print2 rdacarrier
520 a Well-defined, stable and highly structured I-2 (Fd (3) over barm) liquid crystalline nanoparticles (LCNP) of 50/50 (wt/wt) soy phosphatidylcholine (SPC)/glycerol dioleate (GDO), can be formed by using a low fraction (5-10 wt%) of the dispersing polymeric surfactant polyoxyethylene (20) sorbitan monooleate (polysorbate 80 or P80). In the present study we used small angle neutron scattering (SANS) and deuterated P80 (d-P80) to determine the location and concentration of P80 within the LCNP and small angle X-ray scattering (SAXS) to reveal the internal structure. SANS data suggests that some d-P80 already penetrates the particle core at 5%. However, the content of d-P80 is still low enough not to significantly change the internal Fd (3) over barm structure of the LCNP. At higher fractions of P80 a phase separation occurs, in which a SPC and P80 rich phase is formed at the particle surface. The surface layer becomes gradually richer in both solvent and d-P80 when the surfactant concentration is increased from 5 to 15%, while the core of the particle is enriched by GDO, resulting in loss of internal structure and reduced hydration. We have used neutron reflectometry to reveal the location of the stabiliser within the adsorbed layer on an anionic silica and cationic (aminopropyltriethoxysilane (APTES) silanized) surface. d-P80 is enriched closest to the supporting surface and slightly more so for the cationic APTES surface. The results are relevant not only for the capability of LCNPs as drug delivery vehicles but also as means of preparing functional surface coatings.
650 7a NATURVETENSKAPx Kemix Fysikalisk kemi0 (SwePub)104022 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciencesx Physical Chemistry0 (SwePub)104022 hsv//eng
653 a Chemistry
653 a Physical
653 a Materials Science
653 a Multidisciplinary
653 a Physics
653 a Multidisciplinary
653 a Polymer Science
700a Barauskas, Justasu Malmö högskola,Institutionen för biomedicinsk vetenskap (BMV)4 aut0 (Swepub:mau)hsjuba
700a Rogers, Sarah4 aut
700a Skoda, Maximilian W. A.4 aut
700a Thomas, Robert K.4 aut
700a Tiberg, Fredriku Lund University,Lunds universitet,Fysikalisk kemi,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Physical Chemistry,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)fk1-fti
700a Nylander, Tommyu Lund University,Lunds universitet,Fysikalisk kemi,Enheten för fysikalisk och teoretisk kemi,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Physical Chemistry,Physical and theoretical chemistry,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH4 aut0 (Swepub:lu)fk1-tny
710a Fysikalisk kemib Enheten för fysikalisk och teoretisk kemi4 org
773t Soft Matterd : Royal Society of Chemistryg 11:6, s. 1140-1150q 11:6<1140-1150x 1744-683Xx 1744-6848
856u http://dx.doi.org/10.1039/c4sm02296cy FULLTEXT
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-3971
8564 8u https://doi.org/10.1039/c4sm02296c
8564 8u https://lup.lub.lu.se/record/4905784

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