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首页> 外文期刊>Journal of Microencapsulation: Microcapsules Liposomes Nanoparticles Microcells Microspheres >Preparation and characterization of Vitamin-12 loaded biodegradable pH-sensitive microgels
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Preparation and characterization of Vitamin-12 loaded biodegradable pH-sensitive microgels

机译:负载维生素12的可生物降解pH敏感微凝胶的制备和表征

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This paper prepared novel biodegradable and pH-sensitive microgels based on Poly(e-caprolactone)-Pluronic-Poly(ε-caprolactone)-dimethacrylate (PCFC-DMA), Poly(ethylene glycol) dimethacrylate (PEG-DMA) and methylacrylic acid (MAA) cross-linked with N,N'-methylenebisacrylamide (BIS), initiated by NaHSO3, K2S2O8. The blank microgels were prepared by inversed-phase suspension polymerization method and pH sensitivity of microgels was characterized. Then the blank microgels were loaded with hydrophilic model drug vitamin-12 (VB-12) and in vitro drug release behaviour was also studied here.
机译:本文基于聚(ε-己内酯)-Pluronic-聚(ε-己内酯)-二甲基丙烯酸酯(PCFC-DMA),聚乙二醇二甲基丙烯酸酯(PEG-DMA)和甲基丙烯酸( MAA)与N,N'-亚甲基双丙烯酰胺(BIS)交联,由NaHSO3,K2S2O8引发。通过反相悬浮聚合法制备了空白微凝胶,并对微凝胶的pH敏感性进行了表征。然后在空白的微凝胶中加入亲水性模型药物维生素12(VB-12),并在此对体外药物的释放行为进行了研究。

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