Power-free poly(dimethylsiloxane) microfluidic devices for gold nanoparticle-based DNA analysis.

  title={Power-free poly(dimethylsiloxane) microfluidic devices for gold nanoparticle-based DNA analysis.},
  author={Kazuo Hosokawa and Kae Sato and Naoki Ichikawa and Mizuo Maeda},
  journal={Lab on a chip},
  volume={4 3},
An extremely simple, power-free pumping method for poly(dimethylsiloxane)(PDMS) microfluidic devices is presented. By exploiting the high gas solubility of PDMS, the energy for the pumping is pre-stored in the degassed bulk PDMS, therefore no additional structures other than channels and reservoirs are required. In a Y-shaped microchannel with cross section of 100 microm width x 25 microm height, this method has provided flow rate of 0.5-2 nL s(-1), corresponding to linear velocity of 0.2-0.8… CONTINUE READING
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