将介孔58S生物活性玻璃(m58S)作为抗癌药物载体评价了其对表阿霉素的装载量和释放性能.实验结果表明,m58S对亲水性药物表阿霉素的药物装载量为40%,是普通溶胶-凝胶58S生物活性玻璃的3倍多,并且具有更长效的缓释特性.研究还发现释放介质的pH值对表阿霉素的释放速率有很大影响,pH值越低,表阿霉素分子从载体材料中释放出的速率越快.因此,介孔生物活性玻璃是一种高效的药物缓释载体,且药物释放速率受释放介质pH值影响,有望成为药物控释型骨修复材料.
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