Human mammalian cell sorting using a highly integrated micro-fabricated fluorescence-activated cell sorter (microFACS).

Human mammalian cell sorting using a highly integrated micro-fabricated fluorescence-activated cell sorter (microFACS).
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DOI:
10.1039/c000136h
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发表时间:
2010-06-21
期刊:
影响因子:
6.1
通讯作者:
Lo YH
Lo YH
中科院分区:
工程技术1区
文献类型:
--
作者:
Cho SH;Chen CH;Tsai FS;Godin JM;Lo YH

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我们展示了一种高性能的微制造FACS系统,它高度集成了微流体、光学、声学和电子技术。由于集成PZT致动器的快速响应时间(~0.1 ms)和分选结处的喷嘴结构,使得高速单细胞操作成为可能。沿微流控通道涂覆聚四氟乙烯af的光流波导引导照明光,实现多点检测,而新型空时编码技术提高了μFACS系统的检测灵敏度。实时控制回路系统采用现场可编程门阵列(FPGA)实现自动准确分选。μFACS实现了高纯化富集因子:高达~230倍的聚苯乙烯微珠和悬浮人哺乳动物细胞(K562)在高通量(>1000细胞s−1)。分选机制是独立于细胞的性质,如大小,密度和形状,因此提出的系统可以应用于分选任何纯亚种群。因此,这种新的芯片实验室FACS系统有望彻底改变微流控细胞仪,以满足成本,尺寸和性能目标。
We demonstrate a high performance microfabricated FACS system with highly integrated microfluidics, optics, acoustics, and electronics. Single cell manipulation at a high speed is made possible by the fast response time (~0.1 ms) of the integrated PZT actuator and the nozzle structure at the sorting junction. A Teflon AF-coated optofluidic waveguide along the microfluidic channel guides the illumination light, enabling multi-spot detection, while a novel space-time coding technology enhances the detection sensitivity of the μFACS system. The real-time control loop system is implemented using a field-programmable-gate-array (FPGA) for automated and accurate sorting. The μFACS achieves a high purification enrichment factor: up to ~230 fold for both polystyrene microbeads and suspended human mammalian cells (K562) at a high throughput (>1000 cells s−1). The sorting mechanism is independent of cell properties such as size, density, and shape, thus the presented system can be applied to sort out any pure sub-populations. This new lab-on-a-chip FACS system, therefore, holds promise to revolutionize microfluidic cytometers to meet cost, size, and performance goals.
DOI: 10.1007/s10544-009-9341-5
发表时间: 2009-12
影响因子: 2.8
作者:
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影响因子: --
作者:
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影响因子: 6.1
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影响因子: 6.1
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使用凹槽生成的护套流量的多波长微流动仪。
DOI: 10.1039/b822442k
发表时间: 2009-07-07
期刊: Lab on a chip
影响因子: 6.1
作者:
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