Screw-actuated displacement micropumps for thermoplastic microfluidics
The fabrication of on-chip displacement pumps integrated into thermoplastic chips is explored as a simple and low cost method for achieving precise and programmable flow control for disposable microfluidic systems. The displacement pumps consist of stainless steel screws inserted into threaded ports...
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Published in | Lab on a chip Vol. 16; no. 20; pp. 3940 - 3946 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
England
01.01.2016
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Abstract | The fabrication of on-chip displacement pumps integrated into thermoplastic chips is explored as a simple and low cost method for achieving precise and programmable flow control for disposable microfluidic systems. The displacement pumps consist of stainless steel screws inserted into threaded ports machined into a thermoplastic substrate which also serve as on-chip reagent storage reservoirs. Three different methods for pump sealing are investigated to enable high pressure flows without leakage, and software-defined control of multiple pumps is demonstrated in a self-contained platform using a compact and self-contained microcontroller for operation. Using this system, flow rates ranging from 0.5-40 μl min
are demonstrated. The pumps are combined with on-chip burst valves to fully seal multiple reagents into fabricated chips while providing on-demand fluid distribution in a downstream microfluidic network, and demonstrated for the generation of size-tunable water-in-oil emulsions. |
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AbstractList | The fabrication of on-chip displacement pumps integrated into thermoplastic chips is explored as a simple and low cost method for achieving precise and programmable flow control for disposable microfluidic systems. The displacement pumps consist of stainless steel screws inserted into threaded ports machined into a thermoplastic substrate which also serve as on-chip reagent storage reservoirs. Three different methods for pump sealing are investigated to enable high pressure flows without leakage, and software-defined control of multiple pumps is demonstrated in a self-contained platform using a compact and self-contained microcontroller for operation. Using this system, flow rates ranging from 0.5-40 μl min
are demonstrated. The pumps are combined with on-chip burst valves to fully seal multiple reagents into fabricated chips while providing on-demand fluid distribution in a downstream microfluidic network, and demonstrated for the generation of size-tunable water-in-oil emulsions. The fabrication of on-chip displacement pumps integrated into thermoplastic chips is explored as a simple and low cost method for achieving precise and programmable flow control for disposable microfluidic systems. The displacement pumps consist of stainless steel screws inserted into threaded ports machined into a thermoplastic substrate which also serve as on-chip reagent storage reservoirs. Three different methods for pump sealing are investigated to enable high pressure flows without leakage, and software-defined control of multiple pumps is demonstrated in a self-contained platform using a compact and self-contained microcontroller for operation. Using this system, flow rates ranging from 0.5–40 μl min −1 are demonstrated. The pumps are combined with on-chip burst valves to fully seal multiple reagents into fabricated chips while providing on-demand fluid distribution in a downstream microfluidic network, and demonstrated for the generation of size-tunable water-in-oil emulsions. The fabrication of on-chip displacement pumps integrated into thermoplastic chips is explored as a simple and low cost method for achieving precise and programmable flow control for disposable microfluidic systems. The displacement pumps consist of stainless steel screws inserted into threaded ports machined into a thermoplastic substrate which also serve as on-chip reagent storage reservoirs. Three different methods for pump sealing are investigated to enable high pressure flows without leakage, and software-defined control of multiple pumps is demonstrated in a self-contained platform using a compact and self-contained microcontroller for operation. Using this system, flow rates ranging from 0.5-40 μl min-1 are demonstrated. The pumps are combined with on-chip burst valves to fully seal multiple reagents into fabricated chips while providing on-demand fluid distribution in a downstream microfluidic network, and demonstrated for the generation of size-tunable water-in-oil emulsions. |
Author | Fleming, N Han, J Y Rahmanian, O D Kendall, E L DeVoe, D L |
Author_xml | – sequence: 1 givenname: J Y surname: Han fullname: Han, J Y email: ddev@umd.edu organization: Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, MD 20742, USA. ddev@umd.edu – sequence: 2 givenname: O D surname: Rahmanian fullname: Rahmanian, O D organization: Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA – sequence: 3 givenname: E L surname: Kendall fullname: Kendall, E L organization: Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA – sequence: 4 givenname: N surname: Fleming fullname: Fleming, N organization: Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA – sequence: 5 givenname: D L surname: DeVoe fullname: DeVoe, D L email: ddev@umd.edu organization: Department of Chemical and Biomolecular Engineering, University of Maryland, College Park, MD 20742, USA. ddev@umd.edu and Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA and Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA |
BackLink | https://www.ncbi.nlm.nih.gov/pubmed/27713994$$D View this record in MEDLINE/PubMed |
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