Objective:To optimize the formulation of harmine loaded N-decanoate-N-trimethyl chitosan micelles with central composite design and response surface methodology and to study the release of harmine loaded micelles indifferent media in vitro. Methods: HM-De-TMC-MIC were prepared by the film dispersion method. Particle size,polydispersity, encapsulation efficiency and drug loading were selected as indexes,and the effects of the influence factors including drug to carrier weight ratio,rehydration volume were in...