Hydroxyapatite coatings on polymeric substrates have been prepd. by treating samples of poly(Me methacrylate) (PMMA) and poly(2-hydroxyethyl methacrylate) with a biomimetic method and by producing a mech. mixt. of polymers, PMMA and poly(2-hydroxyethyl methacrylate) and hydroxyapatite (1:1). The surface chem. compn. of the samples has been studied by using XPS. Both the ref. polymers and the hydroxyapatite coatings have been analyzed. The surface modifications induced by interaction of the coatings with osteoblast cells have been studied as a function of the exposure time, after in vitro treatment for 7, 15 and 21 days. Quant. XPS anal. enabled us to compare the quality of the samples and the different response to the in vitro treatment.
XPS Characterization of biocompatible hydroxyapatite-polymer coatings / M. P., Casaletto; S., Kaciulis; G., Mattogno; A., Mezzi; L., Ambrosio; Branda, Francesco. - In: SURFACE AND INTERFACE ANALYSIS. - ISSN 0142-2421. - ELETTRONICO. - 34:(2002), pp. 45-49.
XPS Characterization of biocompatible hydroxyapatite-polymer coatings
BRANDA, FRANCESCO
2002
Abstract
Hydroxyapatite coatings on polymeric substrates have been prepd. by treating samples of poly(Me methacrylate) (PMMA) and poly(2-hydroxyethyl methacrylate) with a biomimetic method and by producing a mech. mixt. of polymers, PMMA and poly(2-hydroxyethyl methacrylate) and hydroxyapatite (1:1). The surface chem. compn. of the samples has been studied by using XPS. Both the ref. polymers and the hydroxyapatite coatings have been analyzed. The surface modifications induced by interaction of the coatings with osteoblast cells have been studied as a function of the exposure time, after in vitro treatment for 7, 15 and 21 days. Quant. XPS anal. enabled us to compare the quality of the samples and the different response to the in vitro treatment.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
