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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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Ahmed, I.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2023Nanocomposite Hydrogel-Based Optical Fiber Probe for Continuous Glucose Sensing
- 2021Development and Characterization of Phosphate-Based Glass Coatings via Suspension High-Velocity Oxy-Fuel (SHVOF) Thermal Spray Processcitations
- 2021Antibacterial effect of titanium dioxide-doped phosphate glass microspheres filled total-etch dental adhesive on S. mutans biofilm
- 2020The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glassescitations
- 2019In vitro cellular testing of strontium/calcium substituted phosphate glass discs and microspheres shows potential for bone regenerationcitations
- 2019Correction: Ga and Ce ion-doped phosphate glass fibres with antibacterial properties and their composite for wound healing applications (Journal of Materials Chemistry B (2019) DOI: 10.1039/c9tb00820a)citations
- 2016Structural Disorder in Doped Zirconias, Part I: The Zr0.8Sc0.2-xYxO1.9 (0.0 <= x <= 0.2) Systemcitations
- 2016Oxygen vacancy ordering within anion-deficient Ceriacitations
- 2016In vitro degradation and mechanical properties of PLA-PCL copolymer unit cell scaffolds generated by two-photon polymerizationcitations
- 2014Phosphate-based glass fiber vs. bulk glass: Change in fiber optical response to probe in vitro glass reactivitycitations
- 2014Effect of Cellulose Nanowhiskers on Surface Morphology, Mechanical Properties, and Cell Adhesion of Melt-Drawn Polylactic Acid Fiberscitations
- 2014Surface modification of aramid fibres by graphene oxide nano-sheets for multiscale polymer compositescitations
- 2013Cytocompatibility, degradation, mechanical property retention and ion release profiles for phosphate glass fibre reinforced composite rodscitations
- 2013Cytocompatibility, degradation, mechanical property retention and ion release profiles for phosphate glass fibre reinforced composite rodscitations
- 2005Effect of iron on the surface, degradation and ion release properties of phosphate-based glass fibrescitations
- 2002Wear resistance of a high-nitrogen austenitic stainless steel coated with nitrogenated amorphous carbon filmscitations
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article
Phosphate-based glass fiber vs. bulk glass: Change in fiber optical response to probe in vitro glass reactivity
Abstract
This paper investigates the effect of fiber drawing on the thermal andstructural properties as well as on the glass reactivity of a phosphateglass in tris(hydroxymethyl)aminomethane-buffered (TRIS) solution andsimulated body fluid (SBF). The changes induced in the thermalproperties suggest that the fiber drawing process leads to a weakeningand probable re-orientation of the POPbonds. Whereas the fiber drawing did not significantly impact therelease of P and Ca, an increase in the release of Na into the solutionwas noticed. This was probably due to small structural reorientationsoccurring during the fiber drawing process and to a slight diffusion ofNa to the fiber surface. Both the powders from the bulk and the glassfibers formed a Ca–P surface layer when immersed in SBF and TRIS. Thelayer thickness was higher in the calcium and phosphate supersaturatedSBF than in TRIS. This paper for the first time presents the in vitroreactivity and optical response of a phosphate-based bioactive glass(PBG) fiber when immersed in SBF. The light intensity remained constantfor the first 48 h after which a decrease with three distinct slopes wasobserved: the first decrease between 48 and 200 h of immersion could becorrelated to the formation of the Ca–P layer at the fiber surface.After this a faster decrease in light transmission was observed from 200to ~ 425 h in SBF. SEM analysis suggested that after 200 h, the surfaceof the fiber was fully covered by a thin Ca–P layer which is likely toscatter light. For immersion times longer than ~ 425 h, the thickness ofthe Ca–P layer increased and thus acted as a barrier to the dissolutionprocess limiting further reduction in light transmission. The trackingof light transmission through the PBG fiber allowed monitoring of thefiber dissolution in vitro. These results are essential in developingnew bioactive fiber sensors that can be used to monitor bioresponse insitu.