The preparation method assisted by amino acids of silica nanospheres and its size control by seed re-growth process are summarized, and its forming mechanism is also studied. Its application in biomedicine, array template, functional film material and hybrid polymer synthesis are introduced, and the application of silica nanospheres is prospected.%总结了氨基酸辅助法制备二氧化硅纳米球以及通过种子再生长过程进行尺寸控制的制备方法,对其形成机理进行了探究,介绍了这种二氧化硅纳米球在生物医药、阵列模板、功能薄膜和高分子接枝杂化合成方面的应用,并展望了这种单分散性二氧化硅的应用前景.
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