简述了壳聚糖的化学改性方法，改性壳聚糖的特殊功能及其在生物医学领域中的应用研究进展。
The recent advances in the study on the modification of chitosan and the modified chitosan applications in biomedical field were reviewed in this paper.
荧光微球是一种新型功能高分子材料，广泛应用于生物医学工程中。
Fluorescent microsphere is a new kind of functional polymer material which is mainly in biomedical engineering area.
磁性热敏聚合物微球是一种新型功能材料，在生物工程和生物医学等领域具有广阔的应用前景。
As a new type of functional material, magnetic thermosensitive polymeric microspheres offer high potential application in various fields, particularly in bioengineering and biomedical fields.
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