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JoVE Journal
Bioengineering
基于纸张的设备进行隔离外囊泡与表征
基于纸张的设备进行隔离外囊泡与表征
JoVE Journal
Bioengineering
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JoVE Journal Bioengineering
Paper-based Devices for Isolation and Characterization of Extracellular Vesicles

基于纸张的设备进行隔离外囊泡与表征

Full Text
11,976 Views
11:53 min
April 3, 2015

DOI: 10.3791/52722-v

Chihchen Chen1, Bo-Ren Lin1, Min-Yen Hsu2, Chao-Min Cheng1

1Institute of Nanoengineering and Microsystems,National Tsing Hua University, 2Taichung Veterans General Hospital

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

该协议细节的方法分离细胞外囊泡(电动汽车),从细胞中释放的小的膜的颗粒,从少至10微升血清样品。这种方法绕过需要超速离心,需要测定时间仅几分钟,并且使电动车从有限体积的样品的分离。

该程序的总体目标是使用基于纸张的平台分离细胞外囊泡。这是通过首先用两张带有圆形纤维素的聚苯乙烯片层压来实现的,剪纸在一系列注册的通孔上对齐。第二步是化学偶联分子,这些分子会将细胞外囊泡结合到纸质测试区。

接下来,可以将生物样品直接移液到纸质测试区,并在冲洗步骤后分离细胞外囊泡。最后一步是使用电子显微镜、Eliza 或转录组学分析表征捕获的细胞外囊泡。最终,可以纯化和浓缩小至 10 μL 血清样品的细胞外囊泡亚群。

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