Wan Muhammad, Wan Munzareen (2015) Characterization of calcium phosphate for bone filler. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)
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Abstract
Calcium phosphate (CaP) is one of the widely used materials to support bone ingrowth and to promote bone integration. Among CaP materials, synthetic hydroxyapatite (HA, Ca 10(PQ4)6 (OH)2) and P-tricalcium phosphate <P-TCP, Ca3(P04)2) are well-known for their potential in biomedical applications. In this study, HA powder has been synthesized via a chemical precipitation teclmique. The uncalcined HA produced by this method underwent a calcination treatment to produce a much more crystalline powder at different temperatures of 800 °c, 900 °c and 1000 °c. The samples were heated then at three different of sintering temperatures of 1100 °c, 1200 °c and 1300 °c to determine the optimized temperature for maximum phase transformation of HA to TCP. The powder sample was analysed by characterization teclmiques such as Thermogravimetric Analysis (TGA), X-ray Diffraction (XRD), and Raman Spectroscopy. Next, fabrication of hydroxyapatite pellet by uniaxial pressing was also included in this study. This study also investigated the effect of double heat treatment on porosity and hardness of the pellet. On the other hand, the porous HA scaffold was first produced by dipping a polyurethane (PU) foam with slurry. The HA scaffold was obtained from sintering at 1000 °C was then coated with PLA and its three dimensional fully-interconnected porous structure was found to be maintained. The structure and interconnectivity of both the single HA scaffo Id and the composite HA/PLA scaffo Id were determined by Scanning Electron Microscopy (SEM).
| Item Type: | Final Year Project (Project Report) |
|---|---|
| Uncontrolled Keywords: | Bone regenaration, Biomedical materials, Tissue engineering |
| Subjects: | R Medicine > R Medicine (General) |
| Divisions: | Library > Final Year Project > FKP |
| Depositing User: | Ahmad Tarmizi Abdul Hadi |
| Date Deposited: | 27 Sep 2016 00:20 |
| Last Modified: | 06 Dec 2023 08:12 |
| URI: | http://digitalcollection.utem.edu.my/id/eprint/17254 |
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