2024-03-29T06:34:38Zhttps://repositori.uji.es/oai/requestoai:repositori.uji.es:10234/1822622022-09-29T07:24:12Zcom_10234_7034com_10234_9col_10234_8619
Repositori UJI
author
Palla-Rubio, B.
author
Gomes, Nuno
author
Fernández Gutiérrez, Mar
author
Rojo, Luis
author
Suay, Julio
author
Gurruchaga, Mariló
author
Goñi, Isabel
funder
This research was supported by the Spanish Ministry of Economy and Competitiveness projectMAT2017-86043-R, the University of the Basque Country (UPV/EHU) project UFI11/56, Basque Government project IT611-13 and a personal grant (predoc-2016-1-0141) and Universitat Jaume I (grant numbers Predoc/2014/25, UJI-B2017-37). The authors thank for technical and personnel support provided by SGIker of UPV/EHU and the European funding sources (ERDF and ESF)
2019-04-09T11:10:08Z
2019-04-09T11:10:08Z
2019-01
PALLA-RUBIO, B., et al. Synthesis and characterization of silica-chitosan hybrid materials as antibacterial coatings for titanium implants. Carbohydrate polymers, 2019, vol. 203, p. 331-341
0144-86171879-1344
http://hdl.handle.net/10234/182262
https://doi.org/10.1016/j.carbpol.2018.09.064
To avoid dental implant-related infections and to promote the osseointegration of titanium implants, the application of silicon and chitosan containing coatings is proposed. Silicon is a well-known osteogenic element and chitosan was selected to confer the antibacterial properties. The synthesis of hybrid silica-chitosan coatings using the sol-gel process is presented and the characterization using 29Si-NMR to verify the correct formation of the network is discussed. The 13C NMR spectroscopy was used to confirm the covalent union between chitosan and the silicon network. Hydrolytic degradation and silicon release studies showed the effective silicon release from the hybrids and, hence, the possibility to promote bone formation. The introduction of different amounts of chitosan and tetraethyl orthosilicate (TEOS) modulated the Si release. The analysis of cell cultures in vitro demonstrated that the hybrid coatings were not cytotoxic and promoted cell proliferation on their surfaces. The coatings containing 5%–10% chitosan had substantial antibacterial properties.
eng
© Elsevier Ltd. All rights reserved.
chitosan
antibacterial
dental implant
silicon
sol-gel coatings
Synthesis and characterization of silica-chitosan hybrid materials as antibacterial coatings for titanium implants
info:eu-repo/semantics/article
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