Journal
APPLIED SURFACE SCIENCE
Volume 252, Issue 13, Pages 4647-4651Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2005.07.152
Keywords
polysaccharide; pullulan; thin films; laser deposition; matrix assisted pulsed laser evaporation; drug delivery
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We report the first successful deposition of triacetate-pullulan polysaccharide thin films by matrix assisted pulsed laser evaporation. We used a KrF* excimer laser source (lambda = 248 mn, tau approximate to 20 ns) operated at a repetition rate of 10 Hz. We demonstrated by FTIR that our thin films are composed of triacetate-pullulan maintaining its chemical structure and functionality. The dependence on incident laser fluence of the induced surface morphology is analysed. (c) 2005 Elsevier B.V. All rights reserved.
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