Plasma Processes and Polymers, volume 12, issue 8, pages 710-718

DC Discharge Plasma Modification of Chitosan Films: An Effect of Chitosan Chemical Structure

Maria G Drozdova 2
Michail Y Yablokov 3
Anna I Gaidar 4
Alla B Gilman 3
Daria S Zaytseva Zotova 2
E. Markvicheva 2
Alexander N Zelenetskii 1
Show full list: 9 authors
Publication typeJournal Article
Publication date2015-02-10
scimago Q2
SJR0.562
CiteScore6.6
Impact factor2.9
ISSN16128850, 16128869
Condensed Matter Physics
Polymers and Plastics
Abstract
Surface plasma treatment of chitosan films is a widely used technique to control a variety of their properties, such as permeability, hemostatic activity and ability to support cell adhesion, proliferation and growth. Among other factors to be controlled, the chemical structure of initial chitosan is rarely taken into consideration. This work is aimed to highlight this factor by the example of low pressure direct-current discharge of various chitosan film samples. Contact angle measurements, X-ray photoelectron spectroscopy and scanning electron microscopy revealed differences in the film surface properties of the initial and plasma-treated films. The effect of the plasma treatment on cell viability of L929 mouse fibroblasts was studied by MTT-assay.

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