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Engineering
用于寡核苷酸传递的可生多孔硅纳米粒子的合成、功能化和表征
用于寡核苷酸传递的可生多孔硅纳米粒子的合成、功能化和表征
JoVE Journal
Engineering
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JoVE Journal Engineering
Synthesis, Functionalization, and Characterization of Fusogenic Porous Silicon Nanoparticles for Oligonucleotide Delivery

用于寡核苷酸传递的可生多孔硅纳米粒子的合成、功能化和表征

Full Text
8,290 Views
08:53 min
April 16, 2019

DOI: 10.3791/59440-v

Byungji Kim1, Michael J. Sailor1,2

1Materials Science and Engineering Program,University of California, San Diego, 2Department of Chemistry and Biochemistry,University of California, San Diego

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Please note that some of the translations on this page are AI generated. Click here for the English version.

我们证明了富里多孔硅纳米粒子的合成, 以提高体外和体内寡核苷酸的传递效果。多孔硅纳米颗粒加入 siRNA 形成核心, 通过挤压包覆的杂原脂质形成外壳。包括定位功能化和粒子表征。

该协议描述了纳米粒子系统的合成,该系统能够通过高效率地提供siRNA来压制体内的基因。只需交换靶向肽和siRNA有效载荷,富生纳米粒子就可用作需要体内基因调制的疾病的潜在治疗配方。我们之前已经发布了结果,使用熏蒸纳米平台对抗克阳性细菌感染,通过沉默一个基因,编码在巨噬细胞炎症,以终止慢性炎症。

在执行此过程之前,在三对一氢氟酸溶液中组装含有硅晶片的特氟隆蚀刻电池。运行方波形的交流电,低电流密度为 50 毫微米/厘米平方 0.6 秒,高电流密度为 400 毫微/厘米平方,重复 500 次循环 0.36 秒。蚀刻完成后,将细胞从电路中取出,然后用注射器小心冲洗出氢氟酸溶液。

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