Surface characterization, collagen adsorption and cell behaviour on poly(L-lactide-co-glycolide)

• Autorzy: Adamczak M. , Ścisłowska-Czarnecka A. , Genet M. J. , Dupont-Gillain C. C. , Pamula E.
• Języki publikacji: EN

Abstrakty

EN

Poly(L-lactide-co-glycolide) (PLG) was modified through the adsorption of collagen to improve the behaviour of fibroblasts and osteoblasts. As reference materials cell-resistant polystyrene (PS) and cell-conductive tissue-culture polystyrene (TCPS) were also evaluated. The physicochemical surface properties of the materials were studied by X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), and water contact angle measurements. The morphology of cells was examined using optical microscopy, while their growth was evaluated by both crystal violet and MTT tests. Nitric oxide level and protein concentration were tested in cell supernatants. The results showed that the adsorbed amount and the organization of the adsorbed collagen were influenced by surface hydrophobicity. Cell culture experiments on native substrates revealed that cell attachment, spreading and growth enhanced, depending on the substrate, in the following order: PS

Słowa kluczowe

EN

collagen; poly(L-lactide-co-glycolide); AFM; XPS; cell growth

PL

kolagen; poli (L-laktyd-ko-glikolid); AFM; XPS; wzrost komórek

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Acta of Bioengineering and Biomechanics
• Rocznik: 2011
• Tom: Vol. 13, no. 3
• Strony: 63--75
• Opis fizyczny: Bibliogr. 29 poz., il.

Twórcy

autor

Adamczak M.

autor

Ścisłowska-Czarnecka A.

autor

Genet M. J.

autor

Dupont-Gillain C. C.

autor

Pamula E.

• Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Kraków, Poland,

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