Investigation into the role of NaOH and calcium ions in the synthesis of calcium phosphate nanoshells
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In this paper, negatively charged liposomes (1,2-dioleoyl-sn-glycero-3-phosphate sodium salt) were used as a template by base titration synthesis at various concentrations of NaOH and calcium ions.Abstract:
Calcium phosphate (CaP) nanoshells were prepared using negatively charged liposomes (1,2-dioleoyl-sn-glycero-3-phosphate sodium salt (DOPA)) as a template by base titration synthesis at various concentrations of NaOH and calcium ions. The elemental composition, morphology, particle size, particle size distribution and zeta potential of the products were determined via various characterisation techniques, such as energy-dispersive X-ray spectrometry (EDX), transmission electron microscopy (TEM), dynamic light scattering (DLS), laser Doppler velocimetry (LDV) and Fourier transform infrared spectroscopy (FTIR). The best results showed that stable spherical CaP nanoshells with a mean particle size of 197.5 ± 5.8 nm and a zeta potential of -34.5 ± 0.6 mV were successfully formed when 0.100 M sodium hydroxide (NaOH) and 0.100 M calcium ions were used. Moreover, an optimal pH of 10.52 and a final Ca/P molar ratio of 0.97 were achieved under these conditions.read more
Citations
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References
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Calcium orthophosphate cements for biomedical application
TL;DR: An insight into calcium orthophosphate cements, as excellent biomaterials suitable for both dental and bone grafting application, has been provided.
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Sounderya Nagarajan,Zhang Yong +1 more
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TL;DR: Calcium phosphate cements have been the subject of many studies in the last decade because of their biocompatibility, their capacity to fill bone cavities and their hardening properties; properties which are desirable in a broad range of surgical applications.
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Replacement of the rabbit medial meniscus with a polyester-carbon fibre bioprosthesis.
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TL;DR: Nine New Zealand white rabbits underwent prosthetic replacement of the meniscus which was attached to the intercondylar area of the tibia through a predrilled hole and around the internal surface of the capsule by sutures, in one knee, and meniscectomy alone in the contralateral knee.