Trap profiles of projector based optoelectronic tweezers (OET) with HeLa cells.

@article{Neale2009TrapPO,
  title={Trap profiles of projector based optoelectronic tweezers (OET) with HeLa cells.},
  author={Steven L. Neale and Aaron T. Ohta and Hsan-Yin Hsu and Justin K. Valley and Arash Jamshidi and Ming C. Wu},
  journal={Optics express},
  year={2009},
  volume={17 7},
  pages={5232-9}
}
In this paper we present trap profile measurements for HeLa cells in Optoelectronic Tweezers (OET) based on a data projector. The data projector is used as a light source to illuminate amorphous Si creating virtual electrodes which are used to trap particles through dielectrophoresis. We show that although the trap stiffness is typically greater at the edges of the optical spot it is possible to create a trap with constant trap stiffness by reducing the trap's size until it is similar to the… CONTINUE READING

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