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Novel Engineered Lon Channel Provides Controllable Lon Permeability For Polyelectrolyte Microcapsules Coated With A Lipid Membrane

机译:新颖的工程化Lon通道为涂有脂质膜的聚电解质微胶囊提供了可控的Lon渗透性

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摘要

The development of nanostructured microcapsules based on a biomimetic lipid bilayer membrane (BLM) coating of poly(sodium styrenesulfonate) (PSS)/poly(allylamine hydrochloride) (PAH) polyelectrolyte hollow microcapsules is reported. A novel engineered ion channel, gramicidin (bis-gA), incorporated into the lipid membrane coating provides a functional capability to control transport across the microcapsule wall. The microcapsules provide transport and permeation for drug-analog neutral species, as well as positively and negatively charged ionic species. This controlled transport can be tuned for selective release biomimetically by controlling the gating of incorporated bis-gA ion channels. This system provides a platform for the creation of "smart" biomimetic delivery vessels for the effective and selective therapeutic delivery and targeting of drugs.
机译:报道了基于聚苯乙烯磺酸钠(PSS)/聚烯丙胺盐酸盐(PAH)聚电解质空心微胶囊的仿生脂质双层膜(BLM)涂层的纳米结构微胶囊的开发。整合到脂质膜涂层中的新型工程离子通道,短杆菌肽(bis-gA)提供了控制跨微囊壁转运的功能。微胶囊为药物类似物中性物质以及带正电和带负电的离子物质提供运输和渗透。可通过控制掺入的bis-gA离子通道的门控来调节这种受控转运,以实现仿生选择性释放。该系统提供了用于创建“智能”仿生传递容器的平台,以有效和选择性地进行药物的传递和靶向。

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