Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.matlet.2005.05.055
Title: In vitro bioactivity assessment of 70 (wt.)%SiO 2-30 (wt.)%CaO bioactive glasses in simulated body fluid
Authors: Lukito, D.
Xue, J.M. 
Wang, J. 
Keywords: Bioactive glasses
Bioactivity
Calcite
SBF
Issue Date: Nov-2005
Citation: Lukito, D., Xue, J.M., Wang, J. (2005-11). In vitro bioactivity assessment of 70 (wt.)%SiO 2-30 (wt.)%CaO bioactive glasses in simulated body fluid. Materials Letters 59 (26) : 3267-3271. ScholarBank@NUS Repository. https://doi.org/10.1016/j.matlet.2005.05.055
Abstract: In the present study, the bioactivity assessment of 70 (wt.)%SiO 2-30 (wt.)%CaO bioactive glass was conducted using various amount ratios of bioactive glass to SBF solution, which were 10, 5, 3.3, 2.5 and 2 mg/ml, respectively. When the bioactive glasses were soaked in SBF solutions for the first 6 h, due to the high concentration of PO 4 3- in the original SBF solutions, hydroxyl apatite (HA) crystalline phase were formed on the surfaces of all the bioactive glasses, regardless of the amount ratio of glass to SBF solution. After 6 h of soaking, except for the SBF solution with the amount ratio of 2 mg/mol, the other four SBF solutions were supersaturated for calcite. When the soaking duration was prolonged to 1 day, calcite crystalline phases were formed on the surfaces of the bioactive glasses soaked in SBF solutions with amount ratios of 10, 5, 3.3 and 2.5 mg/ml, respectively. In contrast, with the amount ratio of 2 mg/ml, there is no calcite crystalline phase formed on the surface of the bioactive glasses. © 2005 Elsevier B.V. All rights reserved.
Source Title: Materials Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/107074
ISSN: 0167577X
DOI: 10.1016/j.matlet.2005.05.055
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