Parallel RNA extraction using magnetic beads and a droplet array.

Parallel RNA extraction using magnetic beads and a droplet array.
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使用磁珠和液滴阵列平行提取 RNA。

DOI:
10.1039/c4lc01111b
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发表时间:
2015-02-21
期刊:
影响因子:
6.1
通讯作者:
Meldrum DR
Meldrum DR
中科院分区:
工程技术1区
文献类型:
--
作者:
Shi X;Chen CH;Gao W;Chao SH;Meldrum DR

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Nucleic acid extraction is a necessary step for most genomic/transcriptomic analyses, but it often requires complicated mechanisms to be integrated into a lab-on-a-chip device. Nucleic acid extraction is a necessary step for most genomic/transcriptomic analyses, but it often requires complicated mechanisms to be integrated into a lab-on-a-chip device. Here, we present a simple, effective configuration for rapidly obtaining purified RNA from low concentration cell medium. This Total RNA Extraction Droplet Array (TREDA) utilizes an array of surface-adhering droplets to facilitate the transportation of magnetic purification beads seamlessly through individual buffer solutions without solid structures. The fabrication of TREDA chips is rapid and does not require a microfabrication facility or expertise. The process takes less than 5 minutes. When purifying mRNA from bulk marine diatom samples, its repeatability and extraction efficiency are comparable to conventional tube-based operations. We demonstrate that TREDA can extract the total mRNA of about 10 marine diatom cells, indicating that the sensitivity of TREDA approaches single-digit cell numbers.
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