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首页> 外文期刊>Journal of Microencapsulation: Microcapsules Liposomes Nanoparticles Microcells Microspheres >Vibrio cholerae-loaded poly(DL lactide co-glycolide) microparticles
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Vibrio cholerae-loaded poly(DL lactide co-glycolide) microparticles

机译:霍乱弧菌负载的聚(DL丙交酯乙交酯)微粒

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摘要

Vibrio cholerae (VC)-loaded microparticles were prepared using poly(Dl lactide-co-glycoldie) with a wter-in-oil-in-water emulsion/solvent extraction technique. Particle characteristics including size distribution, VC-loading efficiencies, and in-vitro release pattern were investigated. The dispersed phase was PLG dissolved in dichloromethane, and the continuous phase was water containing PVP as a stabilizer with varied sodium chloride concentrations. VC was sucessfully entrapped in the microparticles with trapping efficiencies up to 97.8%, a loading level of 55.4 g/mg, and particle size of 3.8 #mu#m. Using 10% w/v PVP with 5% w/v NaCl in the contrinuous phase resulted in a higher loading level surface content (6.2+-0.9 g/mg) than without NaCl (loading content: 40.7+-5.1 g/mg; loading eficiency 52.1
机译:载有霍乱弧菌(VC)的微粒是使用聚(D1丙交酯-共-糖原)和水包油中的乳状液/溶剂萃取技术制备的。研究了颗粒特征,包括尺寸分布,VC加载效率和体外释放模式。分散相是PLG溶于二氯甲烷,连续相是含有PVP作为稳定剂的水,氯化钠浓度变化。 VC成功捕获在微粒中,捕集效率高达97.8%,装载量为55.4 g / mg,粒径为3.8#μm。在连续相中使用10%w / v PVP和5%w / v NaCl会导致比没有NaCl时更高的负载水平表面含量(6.2 + -0.9 g / mg)(负载含量:40.7 + -5.1 g / mg;装载效率52.1

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