A simple microfluidic dispenser for single-microparticle and cell samples.

A simple microfluidic dispenser for single-microparticle and cell samples.
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用于单微粒和细胞样品的简单微流体分配器。

DOI:
10.1039/c4lc00863d
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发表时间:
2014-12-21
期刊:
影响因子:
6.1
通讯作者:
Marr DW
Marr DW
中科院分区:
工程技术1区
文献类型:
--
作者:
Kasukurti A;Eggleton CD;Desai SA;Disharoon DI;Marr DW

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单细胞的非破坏性分离已成为许多生物学研究实验室的重要需求;然而,缺乏易于使用且廉价的工具。在这里,我们提出了一种单颗粒样品递送方法,该方法由简单、经济的组件制成,可以满足这一需求。在这方面,我们采用独特的流量和定时策略,以弥合从单颗粒分离到输送过程中固有的显著力和长度尺度差异。为了证明这种方法,我们使用光学陷阱来分离单个微粒和红细胞,这些微粒和红细胞分散在微流体芯片上的单独50 μl液滴中,用于收集到显微镜载玻片或微量滴定板中。
Non-destructive isolation of single-cells has become an important need for many biology research laboratories; however, there is a lack of easily employed and inexpensive tools. Here, we present a single-particle sample delivery approach fabricated from simple, economical components that may address this need. In this, we employ unique flow and timing strategies to bridge the significant force and length scale differences inherent in transitioning from single particle isolation to delivery. Demonstrating this approach, we use an optical trap to isolate individual microparticles and red blood cells that are dispensed within separate 50 µl droplets off a microfluidic chip for collection into microscope slides or microtiter plates.
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影响因子: 64.8
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