By adsorption,wrapping and coalescent,drug delivery system could effectively deliver the drug to a target site and increased the bioavailability,therapeutic benefit,with minizing the negative sides.

• 通过对药物的吸附、包裹和结合,载体可以实现药物靶向传输,降低药物对正常组织的毒副作用,提高生物利用率;