abstract |
The invention discloses a polymer nanoparticle, the outer diameter of which is 30-600nm, and contains a water-impermeable polymer shell with a thickness of less than 25nm, one or more water-containing cores enclosed by the polymer shell, and The bioactive agent covered in each of the one or more aqueous cores. The invention also discloses a method for preparing the polymer nanoparticles and a method for treating diseases by using the same. |