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    Theory, design, and development of an open-source 3D printed peristaltic pump for microfluidics applications

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    MacEachern_J_2022.pdf
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    Author
    MacEachern, Joshua M.
    Chair
    Chen, Cheng-fu
    Peterson, Rorik
    Committee
    Huang, Daisy
    Laughlin, Bernard
    Keyword
    Microfluidics
    Microfluidic devices
    Pumping machinery
    Three-dimensional printing
    Metadata
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    URI
    http://hdl.handle.net/11122/12940
    Abstract
    Microfluidics research is a constantly evolving and developing field of research in the biological, chemical, and medical sciences. To perform microfluidic analyses, various types of pump designs have been developed or optimized. These pumps are generally capable of pumping flow in the range of 0.1-100s of microliters (µL) per minute, with the goal of pumping fluid with an extremely consistent flow rate. These pumps include, but are not limited to, peristaltic, syringe, membrane, and lobe pumps. Both commercial and open-source designs have been developed to meet the needs of continued research. Commercial designs are very expensive, but offer limited flexibility to tailor the usage for custom assays. Open-source designs that have been presented may lack support, or may be designed to use fabrication technologies that are less commonly available than conventional desktop 3D printing. Due to this, many laboratories may be limited in their microfluidic research work due to either availability of commercial pumps, or usability of open-source pump designs. This work presents two iterations of a novel design for a 3D-printable microfluidic peristaltic pump. The pumps developed herein have been tested to demonstrate consistent performance operating over long-term periods of up to ten days continuously. These pumps have been tested to demonstrate capability of delivering aqueous flow as slow as flow ranges of 10s of µL/min. These pumps are capable of maintaining an outlet pressure of up to 220 kilopascals (kPa). In a tube of 1 mm inner diameter, this pressure would drive a flow rate of 10 µL/min through tubing up to 6.6 meters long. Finally, this design has been optimized to improve the user experience and make these peristaltic pumps both easy to maintain and easy to operate by a non-technical user.
    Description
    Thesis (M.S.) University of Alaska Fairbanks, 2022
    Table of Contents
    Chapter 1. Introduction -- Chapter 2. Initial prototype of 3D printed peristaltic pumps -- Chapter 3. Improved design (version 2) -- Chapter 4: Testing results of version 2 pump -- Chapter 5: Gonclusions and future work -- References -- Appendix.
    Date
    2022-05
    Type
    Thesis
    Collections
    New theses and dissertations

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