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Adsorbed layers of human serum albumin investigated by the surface force technique
YKI – Ytkemiska institutet.
YKI – Ytkemiska institutet.
1991 (English)In: Journal of Dispersion Science and Technology, ISSN 0193-2691, E-ISSN 1532-2351, Vol. 12, p. 179-200Article in journal (Refereed)
Abstract [en]

The interactions between human serum albumin (HSA) layers adsorbed from solution onto muscovite mica have been investigated by means of surface force measurements. The effects of varying the ionic strength and the serum albumin concentration have been studied at pH=5.5. The negatively charged protein cannot be desorbed from the negatively charged mica surface by dilution with water. The thickness of the (compressed) adsorbed layer is small compared to the dimension of HSA, except at the highest concentration used (1mg/ml). Hence, under a compressive load at low packing densities the protein conformation on the surface is different from that in bulk solution. No adhesion was observed when the amount adsorbed was large. However, an attractive

Place, publisher, year, edition, pages
1991. Vol. 12, p. 179-200
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26876OAI: oai:DiVA.org:ri-26876DiVA, id: diva2:1053879
Note
A695Available from: 2016-12-08 Created: 2016-12-08 Last updated: 2017-11-29Bibliographically approved

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