drug carrier nanoparticle, preparation process and pharmaceutical composition comprising the same and method for drug delivery

摘要

The present invention belongs to the field of nanoparticles used in drug delivery systems (DDS). Specifically, the nanoparticles of the present invention are formed of biodegradable proteins or polymers that change their three-dimensional structure during particle preparation. Specifically, the active ingredient used in the present invention is a compound used in photodynamic therapy. The present invention also relates to a process for preparing and using such particles.