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Monoglyceride surface films; Stability and interlayer interactions
YKI – Ytkemiska institutet.
YKI – Ytkemiska institutet.
1991 (English)In: Journal of Colloid and Interface Science, ISSN 0021-9797, E-ISSN 1095-7103, Vol. 144, 449-457 p.Article in journal (Refereed)
Abstract [en]

Interactions between surfaces coated with monolayers of monoglycerides immersed in water have been studied using the surface force apparatus. The monolayers were deposited onto hydrophobized mica surfaces by means of the Langmuir-Blodgett techniqe. The measured forces beteween monopalmitin monolayers in the gel state show the existence of an adhesive minimum at a seperation of about 10 Å; this atttaction decreases when the temperature increases. At even shorter seperations a strong repulsion dominates the interaction. The forces between monoolein monolayers deposited in the liquid expanded state are repulsive at all separations and the range of the hydration/steric force is 10-15 Å. Deposited monolayers of monopalmitin in the gel state exhibit a good stability and remarkeble rehealing properties. In contrast, deposited monolayers of monoolein are unstable and readily transform into different structure.

Place, publisher, year, edition, pages
1991. Vol. 144, 449-457 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26781OAI: oai:DiVA.org:ri-26781DiVA: diva2:1053784
Note
A635Available from: 2016-12-08 Created: 2016-12-08Bibliographically approved

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