摘要磁性SiO2微球是一种新型的功能材料,在生物医学领域有着广泛的应用前景,可用于靶向药物、免疫磁珠、蛋白和核酸分离、固定化酶及天然产物的分离与纯化等方面.综述了磁性SiO2微球的制备、表面修饰及其在生物医学领域的应用发展趋势和前景,重点分析了核壳型和分散型微球所采用的几种制备方法,如溶胶-凝胶法、液相沉积法、自组装法和微乳液法等.

abstractsMagnetic silica micro-spheres is a kind of novel functional materials, which is expected to be applied to targeted drug delivery, immunomagnetic beads, separation of nucleic acid and protein, immobilization of enzymes and isolation and purification of natural products in biomedicine. This review describes the methods of synthesis, surface modification and applications of magnetic silica micro-spheres, which focus on the various strategies in synthesis with core-shell and mosaic structure, sol-gel method, liquid phase deposition, self-assembly technique and micro-emulsion method. Finally, foregroud and prospect of the research are also discussed.