期刊
JOURNAL OF CONTROLLED RELEASE
卷 153, 期 3, 页码 249-254出版社
ELSEVIER
DOI: 10.1016/j.jconrel.2011.03.024
关键词
PLGA; Nanoparticle; Jet injection; Particle delivery; Dispersion
Needle-free liquid jet injectors have been developed for the delivery of several drugs including insulin and growth hormone. Here, we assess the ability of liquid jet injectors to deliver polymeric nanoparticles into skin. As a first step, polystyrene particles of several sizes and two shapes were injected into skin using a jet injector. The dispersion area of particles, measured in the cross section of the skin, was found to inversely relate to the particle size and directly proportional to the injection volume. Environmental scanning electron microscopy studies confirmed that particles indeed penetrate into the skin and are generally located around the injection site. Next, poly lactide co-glycolide (PLGA) particles, containing a model solute, coumarin-6, were synthesized and delivered into the skin using the jet injector. PLGA particles were effectively delivered into the skin and released coumarin-6 into the skin. (C) 2011 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据