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特异性识别幽门螺杆菌的表面印迹纳米粒的研制及体外表征

Jiaying HAN,Jiapeng HOU,Yuyan WANG,Yu LIU,Jun PAN

Chinese Journal of Pharmaceuticals（2015）

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Abstract
构建了基于表面分子印迹技术的抗幽门螺杆菌(Helicobacter pylori)生物黏附纳米粒.以长链脂肪酸修饰的H.pylori表面抗原片段NQA为模板分子,利用反相微乳液聚合法制备表面分子印迹纳米粒,并用以包载5-羧基荧光素.选择H.pylori标准株SS1为细菌模型,采用流式细胞仪考察纳米粒与活菌的相互作用;为模拟细菌在体内的分布状况,建立了细菌-AGS细胞黏附模型,采用荧光显微镜观察纳米粒与模型的相互作用.结果显示,表面分子印迹纳米粒能通过识别H pylori上的靶位点,在体外成功实现对H.pylori的特异性结合.
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Key words
surface molecularly imprinted technology,nanoparticle,Helicobacter pylori
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