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The cellular biocompatibility of two types of nanophase hydroxyapatites (HA and CDHA) synthesized by a wet chemical method was assessed using primary cultured osteoblasts. Cytotoxicity of both materials was investigated with L929 cell line. The MTT method was used to evaluate the proliferation of osteoblasts on the third day. SEM was used to observe the morphology of the osteoblasts on the third day...
The materials surface plays an extremely important role in the response of the biological environment to the artificial medical devices. The initial protein interactions with implant surfaces are very important and therefore, it is clear that if the surface morphology, structure, composition, and properties are changed, cell functions are influenced. Nanoscale materials are thought to interact with...
This study investigates the feasibility of apatite formation and the enhancement of Ni corrosion resistance in nitinol using combined sodium and oxygen plasma immersion ion implantation. X-ray photoelectron spectroscopy, scanning electron microscopy, and energy dispersive spectroscopy are used to determine the elemental depth profiles, surface morphology, chemical composition, and reactivity of the...
Silicon-Oxynitride (Si-N-O) films were fabricated on silicon wafers by silicon cathodic arc combined with plasma immersion ion implantation and deposition. The blood compatibility of the films was assessed by platelet-adhesion test and fibrinogen conformational change measurements to evaluate the viability of the materials in biomedical engineering. Significantly, a better platelet-adhesion behavior,...
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