Four samples : TiO2 ceramic, B1 , B2 and BGC were prepared respectively. These ceramics were exposed to a simulated body fluid (SBF) for 7, 14 and 21d.

• 材料与方法:分别将10%25、20%25的BGC加入到纳米TiO2中,在SBF中分别浸泡0、7、14、21天,采用TF-XRD,SEM,EDX评价复合材料的生物活性;