Thermocapillary flow in glass tubes coated with photoresponsive layers.

@article{VlezCordero2014ThermocapillaryFI,
  title={Thermocapillary flow in glass tubes coated with photoresponsive layers.},
  author={J. R. V{\'e}lez-Cordero and A. Velazquez-Benitez and J. Hern{\'a}ndez-Cordero},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  year={2014},
  volume={30 18},
  pages={
          5326-36
        }
}
Thermocapillary flow has proven to be a good alternative to induce and control the motion of drops and bubbles in microchannels. Temperature gradients are usually established by implanting metallic heaters adjacent to the channel or by including a layer of photosensitive material capable of absorbing radiative energy. In this work we show that single drops can be pumped through capillaries coated with a photoresponsive composite (PDMS + carbon nanopowder) and irradiated with a light source via… Expand
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