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Droplet Incubation and Splitting in Open Microfluidic Channels.

Samuel B Berry¹, Jing J Lee¹, Jean Berthier¹

¹Department of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195, USA.

Analytical Methods : Advancing Methods and Applications

|June 13, 2020

Summary

This summary is machine-generated.

We developed a toolbox for open channel droplet microfluidics, combining ease of use with droplet compartmentalization. This system enables droplet generation, incubation, transport, and splitting in open systems for diverse applications.

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Area of Science:

Microfluidics
Biotechnology
Chemical Engineering

Background:

Droplet-based microfluidics offers precise control over small volumes.
Open microfluidics enhances accessibility and simplifies manufacturing.
Integrating these approaches creates new possibilities for microscale applications.

Purpose of the Study:

To develop a foundational toolbox for open channel droplet microfluidics.
To combine the benefits of open platforms with droplet-based compartmentalization.
To enable controlled droplet manipulation in open systems.

Main Methods:

Utilizing capillary flow for droplet and carrier fluid movement in open channels.
Employing simple fabrication methods like 3D printing, micromilling, or injection molding.
Demonstrating droplet generation via pipetting into open channels.

Main Results:

Successful on-chip incubation and transport of multiple droplets in open channels.
Development of a tunable droplet splitting method driven by capillary flow.
Demonstration of fundamental droplet control features for open microfluidic systems.

Conclusions:

The developed toolbox provides essential features for open channel droplet microfluidics.
This approach simplifies microfluidic experiments and expands accessibility.
Potential applications include cell culture, microscale reactions, and reagent delivery.