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An in vitro study of initial adsorption from human parotid and submandibular/sublingual resting saliva at solid/liquid interfaces
Malmö högskola, Faculty of Odontology (OD). Malmö högskola, Faculty of Health and Society (HS).
Malmö högskola, Faculty of Odontology (OD). Malmö högskola, Faculty of Health and Society (HS).
2001 (English)In: Biofouling (Print), ISSN 0892-7014, E-ISSN 1029-2454, Vol. 17, no 3, p. 227-239Article in journal (Refereed)
Abstract [en]

The influence of saliva concentration, saliva total protein content and the wetting characteristics of exposed solids on in vitro film formation was studied by the technique of in situ ellipsometry. The rates and plateau values of adsorption (45 min) at solid/liquid interfaces (hydrophilic silica and hydrophobic methylated silica surfaces) were determinated for human parotid (HPS) and submandibular/sublingual (HSMSLS) resting saliva solutions (0.1 and 1.0%, (v/v), saliva in phosphate buffered saline). Adsorption rates were related to a model assuming mass transport through an unstirred layer adjacent to the surface. The results showed that the adsorption was rapid, concentration dependent and higher on hydrophobic than on hydrophilic surfaces. Analysis of the influence of protein concentration on the adsorbed amounts demonstrated an interaction between protein concentration and the two surfaces for HPS and HSMSLS, respectively. This may indicate differences in binding mode. Inter-individual differences were found not to be significant at the 1% level of probability. Comparison of the observed adsorption and calculated diffusion rates suggest that on hydrophilic surfaces initial adsorption of proteins diffusing at rates corresponding to those of statherin and aPRPs takes place, whereas on hydrophobic surfaces lower molecular mass compounds appear to be involved.

Place, publisher, year, edition, pages
Taylor and Francis , 2001. Vol. 17, no 3, p. 227-239
Keywords [en]
Saliva, Ellipsometry, Protein, Liquid solid interface, adsorption, Salivary gland, Human
National Category
Dentistry
Identifiers
URN: urn:nbn:se:mau:diva-4976DOI: 10.1080/08927010109378482ISI: 000172785700006Scopus ID: 2-s2.0-0035651934Local ID: 4066OAI: oai:DiVA.org:mau-4976DiVA, id: diva2:1401811
Available from: 2020-02-28 Created: 2020-02-28 Last updated: 2024-02-05Bibliographically approved

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Lindh, LiselottArnebrant, Thomas

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