In this work nanocomposite porous pins were implanted into rabbit knees. The pins were made of biodegradable synthetic poly-L/DL-lactide (80:20) which was modified with nanometric hydroksyapatite particles (HAp) and covered with biopolymer layer of sodium alginate (NA). In vivo experiments were conducted on a 4-element group of the New Zealand rabbits. Osteogenesis was observed using scanning electron microscope (SEM/EDS) after 12 weeks of implantation.
In this work nanocomposite porous pins were implanted into rabbit knees. The pins were made of biodegradable synthetic poly-L/DL-lactide (80:20) which was modified with nanometric hydroksyapatite particles (HAp) and covered with biopolymer layer of sodium alginate (NA). In vivo experiments were conducted on a 4-element group of the New Zealand rabbits. Osteogenesis was observed using scanning electron microscope (SEM/EDS) after 12 weeks of implantation.
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This work presents the analysis of the waste from the meat industry. The bone sludge after the process of deproteinisation as well as the meat-bone meal have been the subject of the research. The content of moisture, phosphorus and calcium, the phase composition as well as the heat of combustion in the studied samples have been marked. The samples of the studied materials were incinerated at the temperature of 600°C for 3 hours, then the content of calcium and phosphorus in the obtained ashes was marked. The analysis was repeated for the ashes received from the combustion at the temperature of 950°C.
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