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January 24, 2010 | History

Study of surface tension of pulmonary surfactant using a constrained sessile drop technique 1 edition

Study of surface tension of pulmonary surfactant using a constrained s ...
Roya Gitiafroz

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Study of surface tension of pulmonary surfactant using a constrained sessile drop technique.

Published 2005 .
Written in English.

About the Book

The main function of pulmonary surfactant is to reduce the surface tension at the air-liquid interface of alveoli. Thus it facilitates respiration and prevents the lungs from collapse. The surface activity of pulmonary surfactant is investigated by a constrained sessile drop (CSD) technique using Axisymmetric Drop Shape Analysis (ADSA).Rate of adsorption and stability of a therapeutic pulmonary surfactant was studied at different concentrations and relative humidities. Overall, the rate of adsorption of surfactant onto the interface increases with concentration. It is also shown that high humidity not only impairs the adsorption process at low concentrations but also destabilizes the surface film and impedes its ability to reach low surface tensions. Increasing the concentration slightly improves the stability of the film. The effect of compression ratio and addition of a nonionic polymer on the surface activity of the films are also studied.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0964.

Thesis (M.A.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

Pagination
179 leaves.
Number of pages
179

ID Numbers

Open Library
OL19216267M
ISBN 10
0494071273

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page