Characteristic Comparative Studies of Huperzine A-PLGA Microspheres Prepared by Two Different Emulsion Methods

by Pan Feng¹, Chen Qinghua¹*,Zhu Dayuan²

1. Division of pharmaceutics, Shanghai Institute of Pharmaceutical Industry, Shangha 200437,

2. Shanghai Institute of Materia Medica,Chniese Academy of Science,Shanghai,201203, China