Microfluidic Devices for Behavioral Analysis, Microscopy, and Neuronal Imaging in Caenorhabditis elegans

Area of Science:

• Nematode biology
• Biotechnology
• Neuroscience

Background:

• Microfluidic devices offer advantages for C. elegans research, including precise environmental control and automated screening.
• Widespread adoption is hindered by complexity, operational issues (clogging, leaks), fabrication challenges, and result characterization.

Purpose of the Study:

• To describe the preparation and operation of simple, reusable microfluidic devices for C. elegans.
• To detail single-use devices for time-lapse microscopy and neuronal activity measurement.
• To reduce common frustrations for new users of microfluidic devices in C. elegans research.

Main Methods:

• Preparation and operation protocols for simple, reusable microfluidic devices.
• Design and use of single-use microfluidic devices for animal arrangement and neuronal activity measurement.
• Focus on user-friendly details to mitigate common operational problems.

Main Results:

• Demonstration of simple, reusable microfluidic devices for quantifying behavioral responses to chemical patterns.
• Successful application of single-use devices for arranging C. elegans for time-lapse microscopy.
• Validation of microfluidic devices for measuring neuronal activity in C. elegans.

Conclusions:

• Simple microfluidic devices can be effectively prepared and operated for C. elegans research.
• These devices facilitate quantification of behavior and neuronal activity, addressing key research needs.
• The described methods reduce common user frustrations, promoting wider adoption of microfluidics in C. elegans studies.