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Updated: Jun 4, 2026

Microfluidic Buffer Exchange for Interference-free Micro/Nanoparticle Cell Engineering

Microfluidic Buffer Exchange for Interference-free Micro/Nanoparticle Cell Engineering

Published on: July 10, 2016

High-throughput cell cycle synchronization using inertial forces in spiral microchannels.

Wong Cheng Lee¹, Ali Asgar S Bhagat, Sha Huang

¹BioSystems and Micromechanics IRG, Singapore-MIT Alliance for Research and Technology Centre, Singapore.

|February 22, 2011

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This study presents a novel spiral microfluidic device for efficient cell cycle synchronization. The method uses physical forces to separate cells, offering a non-disruptive alternative for research and therapies.

Area of Science:

Biotechnology
Cell Biology
Microfluidics

Background:

Chemical cell synchronization methods can negatively impact cell physiology and metabolism.
Microfluidic cell separation presents a promising physical alternative for cell cycle synchronization.
Understanding cell cycle stages is crucial for fundamental research and targeted therapies.

Purpose of the Study:

To develop and validate a spiral microfluidic device for efficient cell cycle synchronization.
To provide a non-disruptive method for obtaining synchronized cells for research and therapeutic applications.
To improve throughput and cell viability compared to existing synchronization techniques.

Main Methods:

Utilized a spiral microfluidic device employing inertial forces and Dean drag.

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Last Updated: Jun 4, 2026

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Exploited the correlation between cell diameter and cell cycle stage (DNA content/ploidy).

Fractionated asynchronous mammalian cell lines and primary human mesenchymal stem cells (hMSCs).

Main Results:

Achieved enriched subpopulations of G0/G1 (>85%), S, and G2/M cell cycle phases.
Demonstrated high throughput (∼ 15 × 10^6 cells/h) and cell viability (∼ 95%).
Successfully synchronized various cell types, including primary hMSCs.

Conclusions:

The spiral microfluidic device offers an efficient and non-disruptive method for cell cycle synchronization.
This platform significantly enhances throughput and cell viability for synchronized cell populations.
The device enables rapid collection of synchronized or diameter-sorted cells for diverse applications in cell proliferation studies.