Servo-Actuated 3D-Printed Disposable Microvalves for Automated, Scalable Organoid Culture in Standard Incubators

Area of Science:

• Regenerative Medicine
• Stem Cell Research
• Bioengineering

Background:

• Automated organoid and cell culture are crucial for scalable, standardized research.
• Current microfluidic platforms often require complex setups, hindering incubator integration.
• A simplified, cost-effective solution is needed for automated organoid culture.

Purpose of the Study:

• To develop a compact, scalable platform for fully automated organoid culture.
• To enable media and drug exchange without external pressure sources or control channels.
• To integrate real-time imaging within standard incubator environments.

Main Methods:

• Designed a multi-well platform with 3D-printed, servo-actuated disposable microvalves.
• Integrated an internet-connected microscopy module with a motorized XYZ stage.
• Validated the platform using mouse and human organoid models, including morphological analysis, IHC, and qPCR.

Main Results:

• The platform demonstrated precise and reliable fluid handling under physiological conditions.
• Automated culture showed comparable viability, growth, and gene expression to manual methods.
• The system improved throughput, reproducibility, and accessibility for organoid research.

Conclusions:

• Established a robust and scalable framework for fully automated organoid culture.
• The developed platform offers a simplified, accessible alternative to conventional microfluidic systems.
• Broad applications in regenerative medicine, drug discovery, and biological screening are anticipated.