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OALib Journal期刊
ISSN: 2333-9721
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医用多孔tio2/ha/tio2复合涂层的制备和性能
Keywords: 无机非金属材料,多孔niti合金,溶胶--凝胶法,复合涂层,药物释放
Abstract:
？采用溶胶--凝胶法在多孔niti合金表面制备出多孔tio2/羟基磷灰石(ha)/tio2复合涂层,研究了复合涂层的性能。结果表明：与未经过涂层处理的样品相比,涂有复合涂层的样品在模拟体液(sbf)溶液中ni离子的释放率大大降低；复合涂层具有比单一涂层更好的生物活性,在快速钙化溶液(fcs)中能诱导磷灰石快速生长；多孔niti合金的特殊孔道结构为药物的可控释放创造了条件,使药物释放呈现缓慢可控的规律。
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