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Citation:
Ling Xin Chen, Qing Ling Li, Xiao Lei Wang, Hai Long Wang, Ya Feng Guan. Electrokinetic pumping system based on nanochannel membrane for liquid delivery[J]. Chinese Chemical Letters,
;2007, 18(3): 352-354.
doi:
10.1016/j.cclet.2007.01.019
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Nonmechanical pumping of liquids is of key importance for applications from the biomedical microfluidic chip to drug delivery systems. In this paper, a new electrokinetic pump (EOP) system with polycarbonate nanochannel membrane sandwiched between two membrane holders was constructed. The pump was tested with water and phosphate buffer at 1-6 V applied voltage, the maximum pressure and flow rate are 0.32 MPa (3.2 atm) and 4.2 μL/min for phosphate buffer, respectively. This proof-of-concept pump shows its potential use for drugs or chemical agents delivery by the usage of different membrane materials.
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Keywords:
- Electrokinetic pump,
- Electroosmotic pump,
- Nanochannel,
- Microfluidic chip,
- μTAS
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