Caenorhabditis elegans의 장기 성장 및 이미징을위한 간단한 미세 유체 칩

Overview

This protocol outlines a microfluidic chip design and fabrication method for growing C. elegans with a continuous food supply for up to 36 hours. It also facilitates long-term high-resolution imaging of cellular processes during development.

Key Study Components

Area of Science

• Neuroscience
• Microfluidics
• Developmental Biology

Background

• The technique allows for the free growth of C. elegans within the device.
• High-resolution imaging can be performed while the animal is trapped.
• The device can be reused multiple times.
• Cleanliness is crucial during fabrication to prevent leakage.

Purpose of Study

• To develop a microfluidic device for studying C. elegans.
• To enable continuous food supply and imaging over extended periods.
• To facilitate the observation of cellular and sub-cellular processes.

Methods Used

• Designing flow and control layers using rectangular shapes in software.
• Printing photo masks with a laser plotter.
• Cutting silicon wafers into 2.5 cm squares.
• Cleaning wafers with potassium hydroxide and rinsing with deionized water.

Main Results

• The device successfully supports the growth of C. elegans.
• High-resolution imaging is achieved during development.
• The methodology allows for repeated use of the device.
• Maintaining cleanliness is essential for device functionality.

Conclusions

• This microfluidic chip design is effective for studying C. elegans.
• It provides a continuous food supply and enables long-term imaging.
• The approach can be adapted for various developmental studies.

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