Sol-Gel Synthesis and Bioactivity of Novel Organic-Inorganic Hybrid Materials (Abstract/Poster in atti di convegno)

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  • Sol-Gel Synthesis and Bioactivity of Novel Organic-Inorganic Hybrid Materials (Abstract/Poster in atti di convegno) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • M. Catauro, L. Ambrosio, M. G. Raucci, C. Convertito, A. Marotta (2005)
    Sol-Gel Synthesis and Bioactivity of Novel Organic-Inorganic Hybrid Materials
    in 19th European Conference on Biomaterials, Sorrento
    (literal)
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  • M. Catauro, L. Ambrosio, M. G. Raucci, C. Convertito, A. Marotta (literal)
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  • There is considerable interest in organic-inorganic hybrid/composite materials prepared via the sol-gel process [1]. A variety of organic polymers have been introduced into inorganic networks to yield hybrid or composite materials with or without covalent bonds between the polymer and inorganic components. In this work polycaprolactone (PCL)/MO2 with M = Si, Ti, Zr hybrid materials have been prepared via sol-gel process. The organic component was chosen taking into account the biodegradable and biocompatible nature of the polycaprolactone. The existence of hydrogen bonds between organic and inorganic components of synthesized materials proved by the presence on FTIR spectra of 3200 cm-1 and 1650 cm-1 bands confirm the hybrid nature of these materials. The The materials SiO2/PCL, TiO2/PCL and ZrO2-5wt% Y2O3/PCL all containing 6 wt% of the organic component, prepared via sol-gel process, were found to be organic-inorganic hybrid materials. The polymer (PCL) was incorporate into network by hydrogen bonds between the carboxylic groups of organic polymer and the hydroxyl groups of inorganic matrix. The formation of hydrogen bonds was ascertained by FTIR measurements. Finally the formation of a layer of hydroxyapatite on the surface when samples of the materials were soaked in SBF (fluid simulating body) showed by SEM micrograph and related EDS, indicates that the materials can be considered bioactive materials. (literal)
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  • Università di Napoli Federico II Seconda Università di Napoli (literal)
Titolo
  • Sol-Gel Synthesis and Bioactivity of Novel Organic-Inorganic Hybrid Materials (literal)
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