A micropump, which includes a mixing function, has been fabricated. For the application to LOC (Lab On a chip), the micropump utilized PBS (Phosphate Buffered Saline) solution as the working medium. The solution is commonly used in biochemistry and cell culturing. The portable system and low energy consumption are important to realize the LOC device. In spite of a low voltage of , the flow rate of the micropump was . The new micropump shows more enhanced performance than existing micropumps. The micropump uses Lorentz force actuation. The Lorentz force acting onto the ionic current in the PBS solution generates the fluid flow in the micropump. For the accurate prediction on flow direction, a computer simulation has been made using commercial CFD code. The results of simulation showing circulation direction were verified by experiment. The fluid circulation from each electrode combined and acted as the mixer in the micropump. The micropump was fabricated in length, in width and 400 in electrode length. To measure accurately, a high speed digital camera was used.
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Design Of Medical Devices Conference Abstracts
Design and Fabrication of a Micropump With Mixing Function for LOC
Ho-jin Kang,
Ho-jin Kang
Sogang University
, Department of Mechanical Engineering, Seoul, Korea
Search for other works by this author on:
Bum-kyoo Choi
Bum-kyoo Choi
Sogang University
, Department of Mechanical Engineering, Seoul, Korea
Search for other works by this author on:
Ho-jin Kang
Sogang University
, Department of Mechanical Engineering, Seoul, Korea
Bum-kyoo Choi
Sogang University
, Department of Mechanical Engineering, Seoul, KoreaJ. Med. Devices. Jun 2008, 2(2): 027511 (1 pages)
Published Online: June 11, 2008
Article history
Published:
June 11, 2008
Citation
Kang, H., and Choi, B. (June 11, 2008). "Design and Fabrication of a Micropump With Mixing Function for LOC." ASME. J. Med. Devices. June 2008; 2(2): 027511. https://doi.org/10.1115/1.2934349
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