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Updated: Feb 7, 2026

Particle Templated Emulsification enables Microfluidic-Free Droplet Assays
Published on: March 9, 2021
Particle-Templated Emulsification for Microfluidics-Free Digital Biology
Makiko N Hatori1, Samuel C Kim1, Adam R Abate1,2
1Department of Bioengineering and Therapeutic Sciences, California Institute for Quantitative Biosciences , University of California , San Francisco , California 94158 , United States.
This study introduces particle-templated emulsification, a novel method for creating monodispersed emulsions without microfluidics. This technique simplifies compartmentalized reactions for biological applications, enhancing accessibility.
Area of Science:
- Biotechnology
- Biochemistry
- Molecular Biology
Background:
- Droplet-based compartmentalization is crucial for biological assays.
- Microfluidics is currently a major limitation for droplet generation.
Purpose of the Study:
- To develop a microfluidics-free method for generating monodispersed emulsions.
- To enable broader implementation of compartmentalized biological reactions.
Main Methods:
- Particle-templated emulsification using hydrogel particles and vortexing.
- Encapsulation of sample solutions into monodispersed emulsions.
Main Results:
- Successful generation of monodispersed emulsions without microfluidic devices.
- Demonstration of utility in digital droplet polymerase chain reaction (ddPCR) and single-cell culture.
Conclusions:
- Particle-templated emulsification offers a simplified approach to droplet generation.
- This method overcomes microfluidics barriers, facilitating compartmentalized reactions in biology.
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