A microfluidic device for physical trapping and electrical lysis of bacterial cells

A microfluidic device for physical trapping and electrical lysis of bacterial cells
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DOI:
10.1063/1.2937088
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发表时间:
2008-05-26
影响因子:
4
通讯作者:
Lu, Chang
Lu, Chang
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Bao, Ning;Lu, Chang

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在这封信中,我们报告了一个简单的微流控装置,它集成了使用微珠阵列捕获细菌细胞和释放细胞内物质的快速电裂解。我们研究了不同浓度的大肠杆菌细胞在这种类型的微珠阵列中的保留,以及电穿孔释放细胞内蛋白质的最佳电参数。我们的设计提供了一个简单的解决方案,从细菌细胞群中提取细胞内物质完全基于物理方法,而不应用化学或生物试剂。(C)2008年美国物理学会。
In this letter, we report a simple microfluidic device that integrates the capture of bacterial cells using a microscale bead array and the rapid electrical lysis for release of intracellular materials. We study the retention of Escherichia coli cells with different concentrations in this type of bead array and the optimal electrical parameters for the electroporative release of intracellular proteins. Our design provides a simple solution to the extraction of intracellular materials from a bacterial cell population based entirely on physical methods without applying chemical or biological reagents. (C) 2008 American Institute of Physics.