Methods Monostearin solid lipid nanoparticles was prepared by solvent diffusion method in aqueous system.
方法用水性溶剂扩散法，制备得到甘油单硬脂酸酯固体脂质纳米粒。
Retinoic acid (RA) nanoparticle suspensions with different concentrations were prepared by solvent-diffusion method in aqueous and freeze-drying.
采用溶剂分散法制备了不同药物质量浓度的维甲酸纳米颗粒混悬剂，并对其进行了冷冻干燥；
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