Nanoparticle formation of organic compounds with retained biological activity.

Nanoparticle formation of organic compounds with retained biological activity.
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形成具有保留生物活性的有机化合物的纳米颗粒。

DOI:
10.1002/jps.22035
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发表时间:
2010
影响因子:
3.8
通讯作者:
Zare,RichardN
Zare,RichardN
中科院分区:
医学3区
文献类型:
--
作者:
Jacobson,GunillaB;Shinde,Rajesh;McCullough,RebeccaL;Cheng,NicholasJ;Creasman,Adam;Beyene,Amanuel;Hickerson,RobynP;Quan,Can;Turner,Charlotta;Kaspar,RogerL;Contag,ChristopherH;Zare,RichardN

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许多药物被配制成粉末,以帮助药物输送。一个主要的问题是如何生产高纯度、控制形态和保留生物活性的粉末。我们展示了使用超临界二氧化碳作为抗溶剂来满足两种模型药物系统的需求,槲皮素,一种少量可溶性抗氧化剂,和短干扰RNA (siRNA),它可以沉默基因。在这两种情况下,我们实现了生物活性的保留,以及一个狭窄的粒径分布,其中的颗粒是自由的杂质。
Many pharmaceuticals are formulated as powders to aid drug delivery. A major problem is how to produce powders having high purity, controlled morphology, and retained bioactivity. We demonstrate the use of supercritical carbon dioxide as an antisolvent for meeting this need for two model drug systems, quercetin, a sparingly soluble antioxidant, and short interfering RNA (siRNA), which can silence genes. In both cases we achieve retention of bioactivity as well as a narrow particle size distribution in which the particles are free of impurities.
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