9 May 2012 Rapid prototyping of a microfluidics-based Venturi micropump imprinted on polymeric, postage-stamp-sized chips
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Abstract
Pumps are widely used in chemical analysis. For instance, they are used to help transport liquid samples from a beaker to an instrument, for example for sample introduction. Pumps can also used to evacuate chambers used for mass spectrometry. For miniaturized, portable analytical instruments, miniaturized pumps are ideally suited. In this paper, a micropump with no moving parts that relies on the Venturi effect has been rapidly prototyped by imprinting fluidic channels on inexpensive polymeric substrates. The micropump was first evaluated for potential vacuum applications (e.g., for portable mass spectrometers). Subsequently, it was evaluated for its ability to transfer liquids in microfluidic channels (for possible use as a sample delivery vehicle to an appropriate sample introduction system).
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C. Curtis, B. Eshaque, K. Badali, V. Karanassios, "Rapid prototyping of a microfluidics-based Venturi micropump imprinted on polymeric, postage-stamp-sized chips", Proc. SPIE 8366, Advanced Environmental, Chemical, and Biological Sensing Technologies IX, 83660P (9 May 2012); doi: 10.1117/12.919562; https://doi.org/10.1117/12.919562
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