| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Borges, João Paulo Miranda Ribeiro
Universidade Nova de Lisboa
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024Bioactive Hydroxyapatite Aerogels with Piezoelectric Particlescitations
- 2024Experimental study of Double-Elliptic-Ring-based thermomechanical metamaterials’ behaviourcitations
- 2023Biocomposite Macrospheres Based on Strontium-Bioactive Glass for Application as Bone Fillerscitations
- 2023Thermal, Structural, Morphological and Electrical Characterization of Cerium-Containing 45S5 for Metal Implant Coatingscitations
- 2023Extensive Investigation on the Effect of Niobium Insertion on the Physical and Biological Properties of 45S5 Bioactive Glass for Dental Implantcitations
- 2023Hydroxyapatite-Barium Titanate Biocoatings Using Room Temperature Coblastingcitations
- 2023Bioactive Glass Modified with Zirconium Incorporation for Dental Implant Applicationscitations
- 2022Characterization of a Biocomposite of Electrospun PVDF Membranes with Embedded BaTiO3 Micro- and Nanoparticlescitations
- 2020Conductive electrospun Polyaniline/Polyvinylpyrrolidone nanofibers: Electrical and morphological characterization of new yarns for electronic textilescitations
- 2019Using water to control electrospun Polycaprolactone fibre morphology for soft tissue engineeringcitations
- 2019Electrospun biodegradable chitosan based-poly(urethane urea) scaffolds for soft tissue engineeringcitations
- 2019Extraction of Cellulose Nanocrystals with Structure I and II and Their Applications for Reduction of Graphene Oxide and Nanocomposite Elaborationcitations
- 2019Development of polymeric anepectic meshes: Auxetic metamaterials with negative thermal expansioncitations
- 2019Polymer blending or fiber blending: a comparative study using chitosan and poly(ε-caprolactone) electrospun fiberscitations
- 2018Synthesis, electrospinning and in vitro test of a new biodegradable gelatin-based poly(ester urethane urea) for soft tissue engineeringcitations
- 2017Production of Electrospun Fast-Dissolving Drug Delivery Systems with Therapeutic Eutectic Systems Encapsulated in Gelatincitations
- 2017Tailoring the morphology of hydroxyapatite particles using a simple solvothermal routecitations
- 2017Hybrid polysaccharide-based systems for biomedical applicationscitations
- 2016Thermal and magnetic properties of chitosan-iron oxide nanoparticlescitations
- 2016Natural Nanofibres for Composite Applicationscitations
- 2016A simple sol-gel route to the construction of hydroxyapatite inverted colloidal crystals for bone tissue engineeringcitations
- 2015Osteogenisis enhancement of hydroxyapatite based materials by electrical polarization
- 2015Chitin-Based Nanocomposites: Biomedical Applicationscitations
- 2015Electrospun mats of biodegradable chitosan-based polyurethane urea
- 2015Antimicrobial electrospun silver-, copper-and zinc-doped polyvinylpyrrolidone nanofibers
- 2014Cellulose‐Based Liquid Crystalline Composite Systemscitations
- 2014Effects of surfactants on the magnetic properties of iron oxide colloidscitations
- 2014Electrical polarization of a chitosan-hydroxyapatite composite
- 2013Enhancing the Response of Chemocapacitors with Electrospun Nanofiber Filmscitations
- 2011All-Cellulosic Based Composites
- 2006Mechanical characterization of dense hydroxyapatite blockscitations
- 2001Cellulose-based composite filmscitations
Places of action
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article
Thermal, Structural, Morphological and Electrical Characterization of Cerium-Containing 45S5 for Metal Implant Coatings
Abstract
The authors extend their appreciation to the FEDER funds through the COMPETE 2020 Program and National Funds through FCT—Portuguese Foundation for Science and Technology under the project LISBOA-01-0247-FEDER-039985/POCI-01-0247-FEDER-039985, LA/P/0037/2020. Publisher Copyright: © 2023 by the authors. ; Biomaterial coatings on dental implants are increasingly being used as a solution to the problems of rejection and implant loss. Bioglass® has been seen as a promising material for coating metal implants, increasing the integration rate and improving the bond between the bone and the implant. Multifunctional bioactive glasses can exhibit antibacterial, antitumor and antioxidant effects with the addition of therapeutic ions. The cerium ion has shown an antioxidant effect through mimicking mechanisms and by acting as a scavenger of reactive oxygen species (ROS), which is important for avoiding oxidative stress post-surgery. Furthermore, it is possible to store electrical charge on the bioglass surface, which potentiates osseointegration. In this work, glasses with various percentages of cerium oxide (0.25, 0.5, 1 and 2 mol%) were developed and structurally and electrically analyzed. It was verified that the cerium insertion did not modify the amorphous phase characteristic of the glass but showed an increase in the number of non-bridging oxygens (NBOs). This increase in NBOs did not modify the electrical conductivity in either the ac or dc regime. The similar permittivity values of the glasses also suggest that their storage ability is unchanged with the addition of CeO2. Concerning the impedance spectroscopy (IS) data, a decrease in resistance is visible with the addition of cerium oxide, suggesting a favorable behavior for applications as an antioxidant through the electro-Fenton reaction. ; publishersversion ; published