| 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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Sani, Nor Suriani
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Publications (4/4 displayed)
- 2020In vitro bioactivity and osteoblast cell viability studies of hydroxyapatite-incorporated silica aerogelcitations
- 2019Preparation and characterization of hydroxyapatite incorporated silica aerogel and its effect on normal human dermal fibroblast cellscitations
- 2018Bionanotechnology: current progress in applied nanomaterials research
- 2016Effect of mass concentration on bioactivity and cell viability of calcined silica aerogel synthesized from rice husk ash as silica sourcecitations
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article
Preparation and characterization of hydroxyapatite incorporated silica aerogel and its effect on normal human dermal fibroblast cells
Abstract
The development of biomedical materials is increasing nowadays due to the increasing demands in medical area and various manmade advanced materials have been explored. In this study, the hydroxyapatite (HA) which is widely used biomaterial has been incorporated in silica aerogel (SA) through sol-gel ambient pressure drying (APD) technique using amorphous silica from rice husk ash. The HA incorporated SA (HAESA) samples with different weight ratio of HA/SiO2 (0.05, 0.1, 0.5, 1.0 and 1.3) were characterized and studied for their in vitro biocompatibility against normal human fibroblast cells. Based on the characterization results from Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscope, energy dispersive X-ray analysis, transmission electron microscope and thermogravimetric analysis, the HAESA samples with lower weight ratio of HA/SiO2 (0.05, 0.1 and 0.5) were silica-rich materials compared to that of higher weight ratio (1.0 and 1.3) which were silica-deficient materials. This resulted in different effects towards in vitro cell viability where the silica-rich HAESA samples have higher biocompatibility compared to that of silica-deficient materials based on trypan blue and cell viability assays. The optimum weight ratio of HA/SiO2 was for HAESA-0.5 (weight ratio of 0.5) in which it has the characteristics of HA and SA, and this eventually resulted in the highest cell viability which is up to 180% after 48 h exposure. Therefore, it can be concluded that the right amount of HA incorporated in the SA network can be performed by using sol-gel APD technique and resulted in high biocompatibility which is suitable to be used as alternative biomaterial for soft tissue application.