综述了生物医用铁系单质、 合金、 化合物、 磁性微球和免疫磁性微球的制备方法、性能和应用，并对其进行了评述。

The progress in preparation and application of iron metal or its alloy nano-materials , iron compound nano-materials and iron composite nano- materials are reviewed.

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实验结果表明，纤维素磁性微球作为性能优良的新型磁性载体，更适于目的蛋白的免疫磁性分离。

The result suggested that MCMS were much more suitable for purification of aim proteins than other microspheres and showed an extensive application foreground for immunomagnetic separation.

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因此，自70年代以来，磁性微球作为一种新型的功能材料，在细胞分离、蛋白质提纯、免疫测定和靶向药物等诸多领域有着广阔的应用前景。

Therefore, since 1970's, as a new type of functional material, it has gained broad applications in cell separation, protein purification, immunoassays, immobilized enzyme and target delivery of drug.

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