Characterisation of Structures in Salivary Secretion Film Forma-tion. An Experimental Study with Atomic Force Microscopy.

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Characterisation of Structures in Salivary Secretion Film Forma-tion. An Experimental Study with Atomic Force Microscopy.

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Publication Article, other scientific
Title Characterisation of Structures in Salivary Secretion Film Forma-tion. An Experimental Study with Atomic Force Microscopy.
Author(s) Arvidsson, A ; Diogo Löfgren, Christina ; Christersson, Cecilia ; Glantz, Per-Olof ; Wennerberg, Ann
Date 2004
English abstract
The purpose of the present study was to characterise the structure dynamics of pure salivary secretions retained on controlled surfaces with different surface energies in the early stage of salivary film formation. Germanium prisms prepared to have either low surface energy of medium surface energy were incubated in fresh secretions of either human parotid saliva (HPS) or human submandibular/sublingual saliva (HSMSLS) for 15,90 and 180 min. After controlled rinsing with distilled water, the surfaces were air dried and thereafter imaged with atomic force microscopy (AFM). The amount of adsorbed material and the size of the structures detected increased with increased saliva exposure time. the film thicknesses varied from 10 to 160 nm, and both HPS and HSMSLS films contained structures with diameters varying from 40 nm to 2 microm. Some of these were clustered into special formations. The HPS films exhibited a more granular morphology than the HSMSLS films. Furthermore, branched lines were detected on the low surface energy germanium prisms incubated in saliva. the results indicate that exposure time, surface energy, and type of salivary secretion all are factors affecting the adsorption characteristics of salivary films.
DOI http://dx.doi.org/10.1080/08927010400001790 (link to publisher's fulltext)
Host/Issue Biofouling;3
Volume 20
ISSN 1029-2454
Pages 181-8
Language eng (iso)
Subject(s) Afm (Atomic force microscopy)
Salivary Films
Adsorption Morphology
Germanium
Medicine
Research Subject Categories::ODONTOLOGY
Handle http://hdl.handle.net/2043/3026 (link to this page)

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