Embedding CeO2 nanocontainers in a TiO2 coating on glass surfaces

Jacinthe Gagnon; Rachel A. Caruso; Katharina M. Fromm; Jacinthe Gagnon; Rachel A. Caruso; Katharina M. Fromm

doi:10.3934/bioeng.2017.1.171

AIMS Bioengineering

2017, Volume 4, Issue 1: 171-178. doi: 10.3934/bioeng.2017.1.171

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Research article Topical Sections

Embedding CeO2 nanocontainers in a TiO2 coating on glass surfaces

1.
Department of Chemistry and Fribourg Center for Nanomaterials, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland
2.
PFPC, School of Chemistry, The University of Melbourne, Melbourne, Victoria 3010, Australia

Received: 30 November 2016 Accepted: 23 February 2017 Published: 06 March 2017

Various strategies are being developed for the prevention of implant-related infections. One of them is the encapsulation of antimicrobial drugs in inorganic containers that can be released at the site of the implant. However, the attachment of such containers onto implant surfaces may be a challenge. In this study, it is demonstrated that CeO₂ nanocontainers can be added to a TiO₂coating on glass surfaces. The structure, crystal phase and surface properties of the nanocontainers were characterized by transmission electron microscopy, scanning electron microscopy (SEM), powder X-ray diffraction, infrared spectroscopy, Raman spectroscopy and a zetasizer. The coatings were analyzed by SEM and energy-dispersive X-ray spectroscopy to determine their homogeneity and ensure CeO₂ encapsulation. The coatings were stable in air over prolonged time periods (> 6 months) and therefore hold promise for pursuing in biomedical applications.
- nanocontainers; ceria; titania; coating; biomaterials
Citation: Jacinthe Gagnon, Rachel A. Caruso, Katharina M. Fromm. Embedding CeO2 nanocontainers in a TiO2 coating on glass surfaces[J]. AIMS Bioengineering, 2017, 4(1): 171-178. doi: 10.3934/bioeng.2017.1.171

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Abstract

Various strategies are being developed for the prevention of implant-related infections. One of them is the encapsulation of antimicrobial drugs in inorganic containers that can be released at the site of the implant. However, the attachment of such containers onto implant surfaces may be a challenge. In this study, it is demonstrated that CeO₂ nanocontainers can be added to a TiO₂coating on glass surfaces. The structure, crystal phase and surface properties of the nanocontainers were characterized by transmission electron microscopy, scanning electron microscopy (SEM), powder X-ray diffraction, infrared spectroscopy, Raman spectroscopy and a zetasizer. The coatings were analyzed by SEM and energy-dispersive X-ray spectroscopy to determine their homogeneity and ensure CeO₂ encapsulation. The coatings were stable in air over prolonged time periods (> 6 months) and therefore hold promise for pursuing in biomedical applications.

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