Nanocrystalline hydroxyapatite bioceramic using microwave radiation: Synthesis and characterization.
This engineering/materials study synthesized nanocrystalline hydroxyapatite bioceramic powder using microwave radiation and then characterized the resulting material. The authors report highly crystalline HAp nanopowder with nanoscale size, mixed morphology, and elemental composition consistent with the HAp phase. Thermal analysis indicated a lower initial dehydroxylation temperature compared with micron-sized HAp as described in prior literature.
Key points
- Microwave radiation (reported applied power 600 W) was used as part of a chemical synthesis route for hydroxyapatite nanopowder.
- EDTA and pH adjustment to 9 were described as factors influencing nanocrystalline HAp formation.
- Multiple characterization methods (XRD, SEM, HR-TEM, EDS, TG/DTA, FT-IR) were used to assess structure, morphology, composition, and thermal behavior.
- The powder was reported as highly crystalline with nanoscale dimensions (5–30 nm) and an average crystallite size of 12 nm by Scherrer analysis.
- FT-IR findings were described as consistent with a typical apatite structure.
- Thermal analysis suggested a lower initial dehydroxylation temperature than micron-sized HAp reported in the literature.
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AI-generated summaries may be incomplete or incorrect. This content is for informational purposes only and is not medical advice.
AI-generated summaries may be incomplete or incorrect. This content is for informational purposes only and is not medical advice.
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