Luer-lock valve : A pre-fabricated pneumatic valve for 3D printed microfluidic automation
Copyright © 2020 Author(s)..
3D printed microfluidic devices are made of stiff and easy-to-fatigue materials and hence are difficult to have robust pneumatic valves. In this work, we describe a type of prefabricated polydimethylsiloxane (PDMS) valves, named the "Luer-lock" valve, which can be incorporated in 3D printed microfluidic devices utilizing the Luer-lock mechanism. Luer-lock design has been adopted for fluidic connections worldwide; it is facile, reliable, and inexpensive. To take advantage of the Luer-lock design, we added "valve ports" to our 3D printed microfluidic devices; prefabricated PDMS valve modules could be embedded into these valve ports, in a leak-free manner, by screwing tight the Luer-locks. In the experiment, we succeeded in fabricating pneumatic valves with a footprint diameter of 0.8 mm and verified the functionality of these valves with a shut-off pressure of 140 mbar and a maximal switching frequency of ∼1 Hz. As a demonstration, we show the serial encoding of core-shell hydrogel microfibers using the Luer-lock valves. Since the Luer-lock valves can be mass-produced and the CAD model of Luer-locks can be easily distributed, we believe that our approach has the potential to be easily adopted by researchers around the globe.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:14 |
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| Enthalten in: |
Biomicrofluidics - 14(2020), 4 vom: 10. Juli, Seite 044115 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Nie, Minghao [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 20.08.2021 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1063/5.0020531 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM314232621 |
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| 520 | |a Copyright © 2020 Author(s). | ||
| 520 | |a 3D printed microfluidic devices are made of stiff and easy-to-fatigue materials and hence are difficult to have robust pneumatic valves. In this work, we describe a type of prefabricated polydimethylsiloxane (PDMS) valves, named the "Luer-lock" valve, which can be incorporated in 3D printed microfluidic devices utilizing the Luer-lock mechanism. Luer-lock design has been adopted for fluidic connections worldwide; it is facile, reliable, and inexpensive. To take advantage of the Luer-lock design, we added "valve ports" to our 3D printed microfluidic devices; prefabricated PDMS valve modules could be embedded into these valve ports, in a leak-free manner, by screwing tight the Luer-locks. In the experiment, we succeeded in fabricating pneumatic valves with a footprint diameter of 0.8 mm and verified the functionality of these valves with a shut-off pressure of 140 mbar and a maximal switching frequency of ∼1 Hz. As a demonstration, we show the serial encoding of core-shell hydrogel microfibers using the Luer-lock valves. Since the Luer-lock valves can be mass-produced and the CAD model of Luer-locks can be easily distributed, we believe that our approach has the potential to be easily adopted by researchers around the globe | ||
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