Parallel single-cell light-induced electroporation and dielectrophoretic manipulation.

Parallel single-cell light-induced electroporation and dielectrophoretic manipulation.
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平行的单细胞光诱导的电穿孔和介电摄取的操纵。

DOI:
10.1039/b821678a
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发表时间:
2009-06-21
期刊:
影响因子:
6.1
通讯作者:
Wu MC
Wu MC
中科院分区:
工程技术1区
文献类型:
--
作者:
Valley JK;Neale S;Hsu HY;Ohta AT;Jamshidi A;Wu MC

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电穿孔是一种用于将外源分子引入穿过原本不渗透的细胞膜的常用技术。常规技术受到低通量或有限选择性的限制。在这里,我们提出了一种新的技术,我们使用图案化的光来创建虚拟电极,可以诱导单细胞的平行电穿孔。这种技术与光电镊子无缝集成,也提供了一个单细胞操作平台。我们目前的证据平行,单细胞电穿孔使用这种方法,通过使用荧光染料和介电泳反应。此外,通过使用集成的微流体通道,我们表明细胞在装置中处理后保持活力。最后,我们确定了最佳的现场剂量注入碘化丙啶到HeLa细胞,并保持细胞活力。
Electroporation is a common technique for the introduction of exogenous molecules across the, otherwise, impermeant cell membrane. Conventional techniques are limited by either low throughput or limited selectivity. Here we present a novel technique whereby we use patterned light to create virtual electrodes which can induce the parallel electroporation of single cells. This technique seamlessly integrates with optoelectronic tweezers to provide a single cell manipulation platform as well. We present evidence of parallel, single cell electroporation using this method through use of fluorescent dyes and dielectrophoretic responses. Additionally, through the use of integrated microfluidic channels, we show that cells remain viable following treatment in the device. Finally, we determine the optimal field dosage to inject propidium iodide into a HeLa cell and maintain cellular viability.
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发表时间: 2007-01-01
期刊: LAB ON A CHIP
影响因子: 6.1
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