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Microfluidic formation of nanoscale liposomes for passive transdermal drug delivery

机译:纳米脂质体的微流体形成,用于被动透皮给药

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In this work, the established technique for microfluidic synthesis of nanoscale liposomes of tunable size has been exploited for preclinical studies investigating the ability of small liposomes to passively cross through dermal layers for transdermal drug delivery. Topical application of therapeutics provides an avenue for painless, noninvasive delivery of molecules aimed at a range of clinical conditions. Unlike traditional methods, which yield polydisperse liposomes too large to traverse dermal layers (typically >80 nm), the microfluidic method enables the first investigation of nearly-monodisperse liposomes which are within the size range of interest (approximately 40 nm and below) for passive transdermal drug delivery. Here, the microfluidic method for liposome production has been utilized to generate small, nearly-monodisperse liposomes and demonstrated size-dependent passive uptake into porcine dermal tissue.
机译:在这项工作中,已建立的可调节大小的纳米级脂质体微流合成技术已用于临床前研究,以研究小脂质体被动穿过真皮层进行透皮给药的能力。治疗剂的局部应用为针对一系列临床状况的分子的无痛,无创递送提供了途径。与传统方法不同,传统方法产生的多分散脂质体太大而无法穿过真皮层(通常> 80 nm),微流体方法可对感兴趣的尺寸范围(约40 nm及以下)范围内的近单分散脂质体进行首次研究。透皮给药。在这里,脂质体生产的微流方法已被用于生成小的,几乎单分散的脂质体,并证明了猪皮肤组织中大小依赖的被动摄取。

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