Growth of Hydroxyapatite on Silk Fibers Using Simulated Body Fluid

Crystals of hydroxyapatite (HAp) were grown on silk fibers using simulated body fluid (SBF) at a temperature of 37°C. Two different conditions of silk thread were investigated for efficiency of inducing HAp: i) with sericin protein and ii) without sericin protein. Effect of simulated body fluid (SBF...

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Bibliographic Details
Published in:Procedia engineering 2012, Vol.32, p.1087-1093
Main Authors: Sukjai, O., Asanithi, P., Limsuwan, P., Limsuwan, S.
Format: Article
Language:English
Subjects:
Hydroxyapatite
Sericin
Silk
Simulated Body Fluid
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Summary:Crystals of hydroxyapatite (HAp) were grown on silk fibers using simulated body fluid (SBF) at a temperature of 37°C. Two different conditions of silk thread were investigated for efficiency of inducing HAp: i) with sericin protein and ii) without sericin protein. Effect of simulated body fluid (SBF) concentrations at 1.0 × SBF and 1.5 × SBF and sericin protein on HAp growth was discussed. The results showed that HAp was successfully crystallized on silk from both 1.0 × SBF and 1.5 × SBF concentrations. The crystal size obtained from the 1.5 × SBF concentration was larger than that of the 1.0 × SBF concentration. However, it was found that the 1.5 × SBF offered less number of the crystals per unit area than that of the 1.0 × SBF. The physical and chemical compositions of HAp were characterized by XRD, SEM and optical microscopy. This study may be very useful for many applications, especially in biomedical and material science.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2012.02.059