纳米粒子的超微小体积可使药物输送智能化，例如靶向定位地将药物投递到病灶局部或专一性地作用于靶细胞。

Due to its ultra-small size, NP can achieve intelligent delivery of drugs, such as deliver drug site-specifically to disease focus or targeted tissue, even into target cells.

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靶向制剂可以选择性地作用于靶器官、靶组织、靶细胞或细胞内。

Targeted drug system can selectively be functioned in target organs, target tissues, target cells or intracellular parts.

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