Rapid Prototyping of Thermoplastic Microfluidic Devices

Area of Science:

• Biotechnology
• Materials Science
• Mechanical Engineering

Background:

• Microfluidic systems offer unique applications in cell culture, diagnostics, and experimentation.
• The growing field of microfluidics requires accessible, rapid prototyping methods for research and commercialization.

Purpose of the Study:

• To describe a versatile protocol for rapid prototyping of microfluidic devices.
• To enable translation from laboratory research to scalable commercial manufacturing.

Main Methods:

• Utilizes computer numerical control (CNC) milling for rapid positive mold fabrication.
• Employs hot embossing with a negative silicone mold to create thermoplastic microfluidic devices.
• Bypasses high-precision machining for bonding surfaces by using cast acrylic stock.

Main Results:

• Achieved high-fidelity microfluidic device prototyping.
• Demonstrated a fast turnaround time for prototype devices in a standard lab setting.
• Developed a protocol adaptable to various thermoplastic materials and CNC platforms.

Conclusions:

• The described technique provides a versatile and accessible method for microfluidic device prototyping.
• This approach facilitates the transition from research prototypes to scalable commercial manufacturing.
• The protocol expands microfluidic fabrication capabilities for diverse research and industrial applications.