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Ming Wu's group has recently
developed a new image-driven optical manipulation tool called “optoelectronic
tweezers”. Using light-induced dielectrophoresis on a
photoconductor, virtual electrode pattern is generated by projecting an LED
light through a DMD spatial light modulator. A single LED is capable of
generating more than 15,000 individually addressable traps. The results was
published in the July 21, 2005 issue of Nature titled,
"Massively
Parallel Manipulation of Single Cells and Microparticles Using Optical
Images".
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(click on image to view video)
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