W/O法制备盐酸土霉素/聚乳酸微球及其释药性能
Preparation of oxytetracycline hydrochloride containing polylactic acid by water-in-oil and drug-relaeasing performance
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Abstract: OBJECTIVE Prepare a long releasing microsphere for the medicine.METHOD Lactic (PLA) microspheres(MS) containing oxytetracycline hydrochloride were prepared by a water-in-oil solvent eveaporation method, the effects of different preparation conditions on