Recent Advances and Future Perspectives on Microfluidic Mix-and-Jet Sample Delivery Devices

Area of Science:

• Physics, Biology, and Chemistry
• Biomolecular Imaging
• Reaction Dynamics

Background:

• Microfluidic devices are emerging as powerful tools for precise sample manipulation.
• The integration of Gas Dynamic Virtual Nozzle (GDVN) technology enhances sample delivery capabilities.
• These advancements are crucial for detailed studies of biomolecular reaction dynamics.

Purpose of the Study:

• To review recent advances in microfluidic mix-and-jet sample delivery devices.
• To introduce key parameters and dimensionless numbers for design and characterization.
• To guide future research in this interdisciplinary field.

Main Methods:

• Review of fabrication techniques for integrated microfluidic devices.
• Summary of experimental methods for characterizing mixing and jetting.
• Analysis of key parameters and dimensionless numbers in device design.

Main Results:

• The integration of GDVN and microfluidics provides a promising sample delivery solution.
• Various fabrication techniques offer different advantages and disadvantages.
• Established methods exist for characterizing both mixing and jetting performance.

Conclusions:

• Microfluidic mix-and-jet devices represent a transformative technology for biomolecular studies.
• Further research is needed to optimize design, fabrication, and application.
• This review aims to foster wider adoption and innovation in the microfluidics community.