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Silicon-doped biphasic alpha-calcium-phosphate/hydroxyapatite scaffolds obtained by a replica foam method using uniform pre-annealed spherical particles
In this study, spherical particles of hydroxyapatite (HA) and alpha-tricalcium phosphate (alpha-Ca-3(PO4)(2): alpha-TCP) doped with different amounts of silicon were used for the preparation of scaffolds. The scaffolds were obtained by a replica foam method using particles of narrow size distribution pre-annealed at 1150 degrees C with different alpha-TCP and HA contents in order to investigate the effect of composition on their morphological and mechanical properties. Morphology, size, and distribution of the particles were characterized using scanning electron microscopy and particle size analyzer. The obtained alpha-TCP-HA scaffolds had compressive strengths up to 5.7 MPa with a uniform and interconnected porous structure. X-ray diffraction analysis used to determine the crystal structure of the scaffolds confirmed that the alpha-TCP-HA content could be controlled by the amount of silicon ions.
TY - JOUR
AU - Jokić, Bojan
AU - Stamenković, Ivan
AU - Zrilić, Milorad
AU - Obradović-Đuričić, Kosovka
AU - Petrović, Rada
AU - Janaćković, Đorđe
PY - 2012
UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2248
AB - In this study, spherical particles of hydroxyapatite (HA) and alpha-tricalcium phosphate (alpha-Ca-3(PO4)(2): alpha-TCP) doped with different amounts of silicon were used for the preparation of scaffolds. The scaffolds were obtained by a replica foam method using particles of narrow size distribution pre-annealed at 1150 degrees C with different alpha-TCP and HA contents in order to investigate the effect of composition on their morphological and mechanical properties. Morphology, size, and distribution of the particles were characterized using scanning electron microscopy and particle size analyzer. The obtained alpha-TCP-HA scaffolds had compressive strengths up to 5.7 MPa with a uniform and interconnected porous structure. X-ray diffraction analysis used to determine the crystal structure of the scaffolds confirmed that the alpha-TCP-HA content could be controlled by the amount of silicon ions.
PB - Elsevier Science Bv, Amsterdam
T2 - Materials Letters
T1 - Silicon-doped biphasic alpha-calcium-phosphate/hydroxyapatite scaffolds obtained by a replica foam method using uniform pre-annealed spherical particles
EP - 158
SP - 155
VL - 74
DO - 10.1016/j.matlet.2012.01.081
ER -
@article{
author = "Jokić, Bojan and Stamenković, Ivan and Zrilić, Milorad and Obradović-Đuričić, Kosovka and Petrović, Rada and Janaćković, Đorđe",
year = "2012",
abstract = "In this study, spherical particles of hydroxyapatite (HA) and alpha-tricalcium phosphate (alpha-Ca-3(PO4)(2): alpha-TCP) doped with different amounts of silicon were used for the preparation of scaffolds. The scaffolds were obtained by a replica foam method using particles of narrow size distribution pre-annealed at 1150 degrees C with different alpha-TCP and HA contents in order to investigate the effect of composition on their morphological and mechanical properties. Morphology, size, and distribution of the particles were characterized using scanning electron microscopy and particle size analyzer. The obtained alpha-TCP-HA scaffolds had compressive strengths up to 5.7 MPa with a uniform and interconnected porous structure. X-ray diffraction analysis used to determine the crystal structure of the scaffolds confirmed that the alpha-TCP-HA content could be controlled by the amount of silicon ions.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Materials Letters",
title = "Silicon-doped biphasic alpha-calcium-phosphate/hydroxyapatite scaffolds obtained by a replica foam method using uniform pre-annealed spherical particles",
pages = "158-155",
volume = "74",
doi = "10.1016/j.matlet.2012.01.081"
}
Jokić, B., Stamenković, I., Zrilić, M., Obradović-Đuričić, K., Petrović, R.,& Janaćković, Đ.. (2012). Silicon-doped biphasic alpha-calcium-phosphate/hydroxyapatite scaffolds obtained by a replica foam method using uniform pre-annealed spherical particles. in Materials Letters
Elsevier Science Bv, Amsterdam., 74, 155-158.
https://doi.org/10.1016/j.matlet.2012.01.081
Jokić B, Stamenković I, Zrilić M, Obradović-Đuričić K, Petrović R, Janaćković Đ. Silicon-doped biphasic alpha-calcium-phosphate/hydroxyapatite scaffolds obtained by a replica foam method using uniform pre-annealed spherical particles. in Materials Letters. 2012;74:155-158.
doi:10.1016/j.matlet.2012.01.081 .
Jokić, Bojan, Stamenković, Ivan, Zrilić, Milorad, Obradović-Đuričić, Kosovka, Petrović, Rada, Janaćković, Đorđe, "Silicon-doped biphasic alpha-calcium-phosphate/hydroxyapatite scaffolds obtained by a replica foam method using uniform pre-annealed spherical particles" in Materials Letters, 74 (2012):155-158,
https://doi.org/10.1016/j.matlet.2012.01.081 . .
