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Adsorption of chitosan on PET films monitored by quartz crystal microbalanceIndest, Tea ...The adsorption behavior of chitosan on poly(ethylene terephthalate) (PET) model film surface was studied using the quartz crystal microbalance (QCM) technique. QCM with a dissipation unit (QCM-D) ... represents a very sensitive technique for adsorption studies at the solid/liquid interface in situ, with capability of detecting a submonolayer of adsorbate on the quartz crystal surface. Chitosan as well as PET were chosen for this study due to their promising biocompatible properties and numerous possibilities to be used in biomedical applications. As a first step, PET foils were activated by alkaline hydrolysis in order to increase their hydrophilicity. Model thin films were prepared from PET foils by the spin coating technique. The chemical composition of the obtained model PET films was analyzed using X-ray photoelectron spectroscopy (XPS) and their morphology was characterized by atomic force microscopy (AFM). Furthermore, the adsorption behavior of chitosan on these activated PET films and the influence of adsorption parameters (pH, ionic strength and chitosan solution concentration) were investigated in detail. Additionally, the surface chemistry and morphology of the PET films and the chitosan coated PET films were analyzed with XPS and AFM.Vir: Biomacromolecules. - ISSN 1525-7797 (Vol. 9, no. 8, 2008, str. 2207-2214)Vrsta gradiva - članek, sestavni delLeto - 2008Jezik - angleškiCOBISS.SI-ID - 12368918
Avtor
Indest, Tea |
Laine, Janne |
Ribitsch, Volker |
Johansson, Leena Sisko |
Stana-Kleinschek, Karin |
Strnad, Simona, 1965-
Teme
biomateriali |
medicinski materiali |
biopolimeri |
mikroravnotežje |
adsorpcija hitosana |
površinske lastnosti |
hitosan |
hitin |
polietilen tereftalat |
biomaterials |
biopolymers |
adsorption of chitosan |
chitin |
PET |
quartz crystal microbalance technique |
QCM
Vnos na polico
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Indest, Tea | 24334 |
Laine, Janne | |
Ribitsch, Volker | 15077 |
Johansson, Leena Sisko | |
Stana-Kleinschek, Karin | 07814 |
Strnad, Simona, 1965- | 10575 |
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