期刊
OPTICS EXPRESS
卷 19, 期 11, 页码 10377-10386出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.19.010377
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资金
- National Institutes of Health [1R01 AI079347-01]
A low-cost single-cell isolation system incorporating a digital versatile disc burner (DVD RW) optical pickup has been developed. We show that these readily available modules have the required laser power and focusing optics to provide a steady Gaussian beam capable of optically trapping micron-sized colloids and red blood cells. Utility of the pickup is demonstrated through the non-destructive isolation of such particles in a laminar-flow based microfluidic device that captures and translates single microscale objects across streamlines into designated channel exits. In this, the integrated objective lens focusing coils are used to steer the optical trap across the channel, resulting in the isolation of colloids and red blood cells using a very inexpensive off-the-shelf optical component. (C) 2011 Optical Society of America
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