Morphology and phase identification of bioactive freeze-dried β-CaSiO3

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Freeze-dried β-wollastonite (β-CaSiO3) powders were synthesized via sol-gel, combined with autoclaved, sintered and finally freeze-dried at -50 °C for 12 h using rice straw ash and calcined limestone as the starting materials. To prepare β- CaSiO3, the precursor ratio of SiO2:CaO was set at 45:55. Pure β-CaSiO3 was obtained after sintering at 950 °C for 3 h. The bioactivity of freeze-dried β-CaSiO3 was investigated by soaking the cylinderical shape samples in simulated body fluid (SBF) up to 21 days. The surface compositional, morphological and structural changes of the samples before and after soaking were analyzed via X-ray diffraction (XRD) and field emission scanning electron microscope (FESEM) coupled with EDS. Sintered freeze-dried β-CaSiO3 has a porous structure and changed to cauliflower-like after soaking in simulated body fluid solution. After 21 days of soaking process, an amorphous calcium phosphate (ACP) and calcium deficient hydroxyapatite (CDHA) were formed with the molar ratio of Ca/P between 1.76 to 1.63.

Original languageEnglish
Title of host publicationCurrent Trends in Materials Engineering
PublisherTrans Tech Publications Ltd
Pages72-77
Number of pages6
Volume694
ISBN (Print)9783035710199
DOIs
Publication statusPublished - 2016
Event24th Scientific Conference of the Microscopy Society Malaysia, SCMSM 2015 - Malacca, Malaysia
Duration: 2 Dec 20154 Dec 2015

Publication series

NameKey Engineering Materials
Volume694
ISSN (Print)10139826

Other

Other24th Scientific Conference of the Microscopy Society Malaysia, SCMSM 2015
CountryMalaysia
CityMalacca
Period2/12/154/12/15

Fingerprint

Body fluids
Ashes
Calcium Carbonate
Calcium phosphate
Straw
Durapatite
Bioactivity
Limestone
Hydroxyapatite
Field emission
Powders
Sol-gels
Energy dispersive spectroscopy
Calcium
Electron microscopes
Sintering
Scanning
X ray diffraction
amorphous calcium phosphate
calcium silicate

Keywords

  • Bioactive
  • Freeze-dried β-CaSiO
  • Morphology

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Ismail, H., Yau, S. X., Shamsudin, R., Abdul Hamid, M. A., & Awang, R. (2016). Morphology and phase identification of bioactive freeze-dried β-CaSiO3 In Current Trends in Materials Engineering (Vol. 694, pp. 72-77). (Key Engineering Materials; Vol. 694). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.694.72

Morphology and phase identification of bioactive freeze-dried β-CaSiO3 . / Ismail, Hamisah; Yau, Shun Xiang; Shamsudin, Roslinda; Abdul Hamid, Muhammad Azmi; Awang, Rozidawati.

Current Trends in Materials Engineering. Vol. 694 Trans Tech Publications Ltd, 2016. p. 72-77 (Key Engineering Materials; Vol. 694).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ismail, H, Yau, SX, Shamsudin, R, Abdul Hamid, MA & Awang, R 2016, Morphology and phase identification of bioactive freeze-dried β-CaSiO3 in Current Trends in Materials Engineering. vol. 694, Key Engineering Materials, vol. 694, Trans Tech Publications Ltd, pp. 72-77, 24th Scientific Conference of the Microscopy Society Malaysia, SCMSM 2015, Malacca, Malaysia, 2/12/15. https://doi.org/10.4028/www.scientific.net/KEM.694.72
Ismail H, Yau SX, Shamsudin R, Abdul Hamid MA, Awang R. Morphology and phase identification of bioactive freeze-dried β-CaSiO3 In Current Trends in Materials Engineering. Vol. 694. Trans Tech Publications Ltd. 2016. p. 72-77. (Key Engineering Materials). https://doi.org/10.4028/www.scientific.net/KEM.694.72
Ismail, Hamisah ; Yau, Shun Xiang ; Shamsudin, Roslinda ; Abdul Hamid, Muhammad Azmi ; Awang, Rozidawati. / Morphology and phase identification of bioactive freeze-dried β-CaSiO3 Current Trends in Materials Engineering. Vol. 694 Trans Tech Publications Ltd, 2016. pp. 72-77 (Key Engineering Materials).
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