Drug delivery and temperature control in microfluidic chips during live-cell imaging experiments

Area of Science:

• Cell Biology
• Microfluidics
• Biotechnology

Background:

• Microfluidic devices are essential for cell biology, enabling precise control over cellular environments and real-time monitoring.
• Material properties of conventional microfluidic chips limit their use in live-cell imaging due to compound absorption.
• Accurate delivery of small molecules for cell studies is hindered by absorptive materials in microdevices.

Purpose of the Study:

• To develop a novel microsystem for live-cell imaging.
• To overcome the limitations of absorptive materials in microfluidic devices.
• To enable dynamic in-chip temperature control for live-cell experiments.

Main Methods:

• Fabrication of a novel microfluidic device using alternative, non-absorptive materials.
• Integration of dynamic temperature control capabilities within the microchip.
• Utilizing the microdevice for live-cell imaging experiments with fission yeast cells.

Main Results:

• The novel microsystem effectively prevents the absorption of small molecules, ensuring accurate compound delivery.
• Dynamic in-chip temperature control was successfully implemented and utilized.
• The microdevices proved effective for live-cell imaging of non-adherent fission yeast.

Conclusions:

• The developed microsystem offers a significant advancement for live-cell imaging applications.
• The use of non-absorptive materials and integrated temperature control broadens the scope of microfluidic cell biology studies.
• This technology facilitates more accurate and versatile compound delivery and environmental manipulation in microfluidic cell culture.