TITAN: A conducting polymer based microfluidic pump
Wu, Y., Zhou, D., Spinks, G. M., Innis, P. C., Megill, W. and Wallace, G. G., 2005. TITAN: A conducting polymer based microfluidic pump. Smart Materials and Structures, 14, pp. 1511-1516.
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The electromechanical actuation properties of polypyrrole have been utilized in the design and development of a low voltage fluid movement system for microfluidic channels. A confined concentric arrangement of polypyrrole actuators is used to induce fluid movement through an inner channel in a single unit. Series connection of these units and appropriate electrical connection/stimulation induces a novel peristaltic action that enables fluids to be pumped in a predetermined direction. Flow rates of up to 2.5 µl min-1 can be achieved against a back pressure of 50 mbar, which is sufficient to enable fluid movement in a glass capillary channel (diameter: 266 µm, length: 12.8 cm). The mechanism of fluid movement enables the use of low voltage devices (1 V) to drive fluid with an average power requirement of 8.7 mW.
|Creators||Wu, Y., Zhou, D., Spinks, G. M., Innis, P. C., Megill, W. and Wallace, G. G.|
|Departments||Faculty of Engineering & Design > Mechanical Engineering|
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