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Preparation of ophthalmic solid lipid nanoparticles loading berberine hydrochloride
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DOI   10.11656/j.issn.1673-9043.2012.03.09
Key Words   berberine hydrochloride;solid lipid nanoparticle;cornea permeation in vitro
Author NameAffiliation
LI Jia-wei Tianjin Modern Chinese Medicine Key Laboratory-Province and Ministry Co-established State Key Laboratory Cultivation Base, Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of TCM, Tianjin 300193, China 
ZHAO Hai-nan Tianjin Modern Chinese Medicine Key Laboratory-Province and Ministry Co-established State Key Laboratory Cultivation Base, Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of TCM, Tianjin 300193, China 
GUO Xiu-jun Tianjin Modern Chinese Medicine Key Laboratory-Province and Ministry Co-established State Key Laboratory Cultivation Base, Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of TCM, Tianjin 300193, China 
Aggrey MO Tianjin Modern Chinese Medicine Key Laboratory-Province and Ministry Co-established State Key Laboratory Cultivation Base, Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of TCM, Tianjin 300193, China 
LIU Zhi-dong Tianjin Modern Chinese Medicine Key Laboratory-Province and Ministry Co-established State Key Laboratory Cultivation Base, Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of TCM, Tianjin 300193, China 
LI Nan Tianjin Modern Chinese Medicine Key Laboratory-Province and Ministry Co-established State Key Laboratory Cultivation Base, Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of TCM, Tianjin 300193, China 
LI Lin Tianjin Modern Chinese Medicine Key Laboratory-Province and Ministry Co-established State Key Laboratory Cultivation Base, Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin University of TCM, Tianjin 300193, China 
PAN Wei-san Shenyang Pharmaceutical University, Shenyang 110016, China 
Abstract
    [Objective] To prepare ophthalmic solid lipid nanoparticles loading berberine hydrochloride.[Methods] The solid lipid nanoparticles loading berberine hydrochloride were prepared by emulsification-ultrasonic method.The isolated cornea permeation test of the formulation was studied in rabbit.The permeated amount of berberine hydrochloride was determined by high performance liquid chromatography.[Results] The entrapment efficiencies of nanoparticle was 51.1%.The average partic1e size was(19±2)nm.The zeta potential was -11.5 mV.The transparent coefficient of the formulation was(1.46±0.45)×10-6 cm/s,increased for 16% when compared with control (P<0.05).[Conclusion] The preparation technique is simple and stable,which could be used to prepare the solid lipid nanoparticles loading berberine hydrochloride.

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