Three-dimensional Printing of Thermoplastic Materials to Create Automated Syringe Pumps with Feedback Control for Microfluidic Applications
August 30th, 2018
Here we present a protocol to construct a pressure-controlled syringe pump to be used in microfluidic applications. This syringe pump is made from an additively manufactured body, off-the-shelf hardware, and open-source electronics. The resulting system is low-cost, straightforward to build, and delivers well-regulated fluid flow to enable rapid microfluidic research.
Overview
This article presents a protocol for constructing a pressure-controlled syringe pump for microfluidic applications. The pump is made from an additively manufactured body, off-the-shelf hardware, and open-source electronics, making it low-cost and easy to build.
Key Study Components
Area of Science
- Microfluidics
- Additive Manufacturing
- Open-source Electronics
Background
- Precision liquid handling is essential in various scientific fields.
- Low-cost instrumentation can facilitate research across disciplines.
- Additive manufacturing can be coupled with electronics for innovative solutions.
- This technique can save costs in laboratory settings.
Purpose of Study
- To develop a low-cost pressure-regulated syringe pump.
- To enable precision in liquid handling for microfluidic research.
- To demonstrate the integration of additive manufacturing and open-source technology.
Methods Used
- Designing the syringe pump using STL files.
- Preparing files for 3D printing.
- Utilizing off-the-shelf hardware components.
- Implementing open-source electronics for control.
Main Results
- The constructed syringe pump delivers well-regulated fluid flow.
- The system is straightforward to build and low-cost.
- It can be applied in various fields requiring precision liquid handling.
- The approach showcases effective use of modern manufacturing techniques.
Conclusions
- This method can significantly reduce costs in laboratory research.
- The integration of additive manufacturing and open-source electronics is beneficial.
- The syringe pump is a valuable tool for microfluidic applications.
Frequently Asked Questions
Executive Industry Relevance
Low-cost, feedback-controlled syringe pumps enable precise fluid handling in microfluidic systems, reducing barriers to entry for discovery-stage research. This approach supports target validation and assay development by providing reproducible pressure regulation critical for microfluidic-based phenotypic screening and mechanistic de-risking. The integration of additive manufacturing with open-source electronics offers a scalable, reusable platform for early discovery workflows.
Strategic Applications in Biopharma R&D
Early Discovery & Target Validation
- Scientific Value: Enables interrogation of therapeutic hypotheses through precise control of microfluidic microenvironment.
- Operational Value: Supports biological de-risking by delivering stable inlet pressure for consistent cellular or molecular readouts.
Screening & Assay Development
- Scientific Value: Prepares validated fluidic systems for downstream compound evaluation with reliable flow control.
- Operational Value: Enhances assay standardization and reproducibility through feedback-regulated pressure output.
Translational & Preclinical Research
- Scientific Value: Maintains disease-relevant system continuity by enabling controlled perfusion in microfluidic disease models.
- Operational Value: Facilitates translational biomarker alignment via stable, tunable inlet pressure conditions.
Pipeline & Workflow Integration
The method integrates into discovery biology by enabling hypothesis testing via microfluidic perfusion, supports screening through assay-ready fluidic platforms, and provides quantitative pressure readouts for analytical decision-making.
- Discovery Biology: Supports pathway clarification and biological de-risking via controlled microfluidic environments.
- Screening: Delivers assay readiness through reproducible, pressure-regulated fluid handling.
- Analytics: Provides quantitative pressure measurements via integrated transducer for condition comparison.
- Enterprise Reuse: Offers a reusable, low-cost platform adaptable across multiple microfluidic applications.
Operational & Enterprise Impact
- Scientific Value: Predictive confidence through precise, feedback-controlled inlet pressure regulation.
- Operational Value: Standardization and scalability via 3D-printed components and open-source control.
- Strategic Value: Reduced late-stage biological risk by enabling early, mechanistic de-risking in microfluidic models.
- Portfolio Impact: Risk-adjusted prioritization through reliable, quantitative fluid handling data.
Implementation Considerations
- Requires expertise in 3D printing, electronics assembly, and microfluidic system integration.
- Needs access to thermoplastic 3D printers, pressure transducers, stepper motors, and microcontroller platforms.
- Demands cross-team standardization for consistent part fabrication and calibration.
- Involves adaptation considerations when scaling to different microfluidic device geometries or flow requirements.
- Limited by mechanical properties of printed thermoplastics under prolonged operational stress.
Biopharma FAQs
Chapters in this video
0:04
Title
0:38
Prepare and 3D-print the Syringe Pump Components
1:57
Assemble the Syringe Pump
4:21
Feedback-Controlled Syringe Pump System Assembly
6:38
Controlling Syringe Pressure Pumps
7:37
Results: Tuning of Control Parameters and Control of Inlet Pressure for a Laminar Flow Microfluidic Device
8:23
Conclusion
