Design and characteristics of hydroxyapatites: effect of radiation
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Author/Creator ORCID
Date
2018-05-14
Department
Program
Citation of Original Publication
Jayati Bhavsar, Jayati Bhavsar, Areeba Tufail, Areeba Tufail, Pooja Gautam, Pooja Gautam, Brad Arnold, Brad Arnold, Fow-Sen Choa, Fow-Sen Choa, Lisa Kelly, Lisa Kelly, Brian Cullum, Brian Cullum, Paul Smith, Paul Smith, Ching Hua Su, Ching Hua Su, K. D. Mandal, K. D. Mandal, N. B. Singh, N. B. Singh, "Design and characteristics of hydroxyapatites: effect of radiation", Proc. SPIE 10662, Smart Biomedical and Physiological Sensor Technology XV, 1066205 (14 May 2018); https://doi.org/10.1117/12.2301032
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This item may be protected under Title 17 of the U.S. Copyright Law. It is made available by UMBC for non-commercial research and education. For permission to publish or reproduce, please contact the author.
Copyright 2018 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Copyright 2018 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Subjects
bone applications
silicate based hard materials processed with organic flux
ow temperature processing techniques
Organic melt
directional solidification method
UMBC High Performance Computing Facility (HPCF)
characteristics of organic treated material verses coarsened oxide materials
nano and micron sized powders
titanates processed by sintering and grain growth
silicate based hard materials processed with organic flux
ow temperature processing techniques
Organic melt
directional solidification method
UMBC High Performance Computing Facility (HPCF)
characteristics of organic treated material verses coarsened oxide materials
nano and micron sized powders
titanates processed by sintering and grain growth
Abstract
We have prepared silicate based hard materials and have processed it with organic flux. Because of the bioactivities of hydroxyapatites with tissues, this class of materials have attracted interest for bone applications. We have utilized low temperature processing techniques. Organic melt was used and the directional solidification method to cast the shaped sample. This organic treated material has different characteristics than coarsened oxide materials. Our approach involved low temperature processing using nano and micron sized powders of the material system Na₂OK₂O-CaO- MgO-Ga₂O₃-SiO₂, and titanates were processed by sintering and grain growth. Our results indicate that substitution of gallium and magnesium or titanium with some variation in processing methods have great potential to improve the glassy characteristics without decreasing the mechanical properties of bones. Effect of radiation on
bone was studied by exposing with commercially available Cs¹³⁷ gamma ray source. It was observed that electrical resistivity increased due to radiation exposure for this system.