[1]赵 玮,何晓峰,梅雀林,等.多模态显影栓塞微球制备及体外显影实验 [J].介入放射学杂志,2017,(12):1102-1108.
 ZHAO Wei,HE Xiaofeng,MEI Quelin,et al.The preparation of multimodal imaging embolization microspheres and its visualization experiment in vitro[J].journal interventional radiology,2017,(12):1102-1108.
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多模态显影栓塞微球制备及体外显影实验 



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《介入放射学杂志》[ISSN:1008-794X/CN:31-1796/R]

卷:
期数:
2017年12期
页码:
1102-1108
栏目:
实验研究
出版日期:
2017-12-25

文章信息/Info

Title:
The preparation of multimodal imaging embolization microspheres and its visualization experiment in vitro
作者:
赵 玮 何晓峰 梅雀林 王 丹 赵凌云 王伟中 李 梅 王 俊
Author(s):
ZHAO Wei HE Xiaofeng MEI Quelin WANG Dan ZHAO Lingyun WANG Weizhong LI Mei WANG Jun
Department of Interventional Radiology, Nanfang Hospital, First School of Clinical Medicine, Southern Medical University, Guangzhou, Guangdong Province 510515, China
关键词:
【关键词】 多模态显影 微球 栓塞 体外实验
文献标志码:
A
摘要:
【摘要】 目的 开发一种具备X线/CT/MR下多模态显影能力的明胶栓塞微球。方法 采用乳化交联法制备单一携载固态纳米Fe3O4颗粒的明胶栓塞微球,光学显微镜观察微球形态、粒径、分散度;热重分析法检测微球内Fe3O4纳米颗粒载药量;X线、CT、MR检测评估多模态显影能力;利用兔心血及人血管内皮细胞行微球溶血试验及体外细胞毒性试验;观察微球弹性、溶胀特点及消毒方法。结果 最优化微球合成条件为Fe3O4与明胶质量比为2 ∶ 1。该微球外观圆整、分散性好、成球率高(最高77.0%)、载药率高(最高73.27%)、粒径适中为(199.78±142.90) μm,具备X线/CT/MR下多模态显影能力,最优化微球CT值最高可达(1 028.0±69.5) Hu(浓度25 mg/ml),MR T2值下降约50%(浓度4 mg/ml)。溶血试验及细胞毒性试验溶血率及吸光值与对照组相比,差异无统计学意义(P>0.05)。微球在酸性溶液中表现出溶胀特性,在无水乙醇中无溶胀现象。结论 以固态Fe3O4纳米颗粒为显影材料,明胶为聚合物材料,采用乳化交联法可成功制备载药量高、形态规则、表面光滑、不易聚集、X线/CT/MR下多模态显影能力更强、生物安全性高、消毒方便的栓塞微球。

参考文献/References:

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备注/Memo

备注/Memo:
(收稿日期:2017-05-05)
(本文编辑:边 佶)
更新日期/Last Update: 2017-12-24