Research

TITAN: A conducting polymer based microfluidic pump


Reference:

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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Abstract

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.

Details

Item Type Articles
CreatorsWu, Y., Zhou, D., Spinks, G. M., Innis, P. C., Megill, W. and Wallace, G. G.
DepartmentsFaculty of Engineering & Design > Mechanical Engineering
RefereedYes
StatusPublished
ID Code1956

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