被动靶向药物释放系统 passive targeting drug delivery system
主动靶向药物释放系统 active targeting drug delivery system
本发明涉及一类肿瘤靶向性大分子控制释放抗癌药物及制备方法和用途。
The invention relates to a tumor targeting macromolecule controlled release anticancer drug and a preparation method and USES thereof.
背景与目的：口服结肠靶向给药系统(OCDDS)是一种将药物定位释放于结肠的靶向制剂。
Background and Objective: OCDDS (Oral Colon-specific drug delivery system) is a kind of drug target delivery systems, which can deliver drug at colon.
理想的纳米粒载体应有特异靶向性、药物释放可控性，无毒性以及可生物降解等。
The perfect nanoparticle vectors should be specific-targeting, controlled release, nontoxicity? biodegradation, and so on.
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