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Surfactant-assisted sol–gel synthesis of mesoporous bioactive glass microspheres
- Source :
- Nanomaterials and Energy. 8:126-134
- Publication Year :
- 2019
- Publisher :
- Thomas Telford Ltd., 2019.
-
Abstract
- Spherical mesoporous bioactive glasses in the silicon dioxide (SiO2)–phosphorus pentoxide (P2O5)–calcium oxide (CaO) system with a high specific surface area of up to 300 m2/g and a medium pore radius of 4 nm were synthesized by using a simple one-pot surfactant-assisted sol–gel synthesis method followed by calcination at 500–700°C. The authors were able to control the particle properties by varying synthesis parameters to achieve microscale powders with spherical morphology and a particle size of around 5–10 μm by employing one structure-directing agent. Due to a high calcium oxide content of 33·6 mol% and a phosphorus pentoxide content of 4·0 mol%, the powder showed very good bioactivity up to 7 d of immersion in simulated body fluid. The resulting microspheres are promising materials for a variety of life science applications, as further processing – for example, granulation – is unnecessary. Microspheres can be applied as materials for powder-based additive manufacturing or in stable suspensions for drug release, in bone cements or fillers.
- Subjects :
- Materials science
Silicon dioxide
Oxide
02 engineering and technology
010402 general chemistry
021001 nanoscience & nanotechnology
01 natural sciences
0104 chemical sciences
law.invention
chemistry.chemical_compound
Chemical engineering
Pulmonary surfactant
chemistry
law
Specific surface area
Bioactive glass
Pentoxide
0210 nano-technology
Mesoporous material
Sol-gel
Subjects
Details
- ISSN :
- 2045984X and 20459831
- Volume :
- 8
- Database :
- OpenAIRE
- Journal :
- Nanomaterials and Energy
- Accession number :
- edsair.doi...........6dbdd0569ad53435d2a5bd4984b6184c