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Related Experiment Video

Updated: Oct 1, 2025

Stretching Micropatterned Cells on a PDMS Membrane

Stretching Micropatterned Cells on a PDMS Membrane

Published on: January 22, 2014

On-demand deterministic release of particles and cells using stretchable microfluidics.

Hedieh Fallahi¹, Haotian Cha¹, Hossein Adelnia¹

¹Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland 4111, Australia. nam-trung.nguyen@griffith.edu.au.

Nanoscale Horizons

|March 3, 2022

Summary

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Researchers developed a novel stretchable microfluidic cell trapper for controlled, on-demand release of single cells. This technology enables deterministic cell retrieval, crucial for downstream applications like drug screening and single-cell analysis.

Area of Science:

Microfluidics
Biotechnology
Cell Biology

Background:

Microfluidic devices are essential for high-throughput single-cell analysis.
Current methods lack robust techniques for facile cell release after capture.
Efficient cell retrieval is critical for subsequent studies, including drug screening.

Purpose of the Study:

To develop a stretchable microfluidic device for on-demand and deterministic release of captured single cells.
To overcome limitations in current microfluidic cell retrieval methods.
To provide a versatile platform for cell recovery in various biological applications.

Main Methods:

Fabrication of a stretchable microfluidic device featuring U-shaped microstructures for cell capture.
Utilizing the broadening of the microstructure gap upon device stretching for cell release.

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Related Experiment Videos

Last Updated: Oct 1, 2025

Stretching Micropatterned Cells on a PDMS Membrane

Stretching Micropatterned Cells on a PDMS Membrane

Published on: January 22, 2014

Scalable Fabrication of Stretchable, Dual Channel, Microfluidic Organ Chips

Scalable Fabrication of Stretchable, Dual Channel, Microfluidic Organ Chips

Published on: October 20, 2018

A Microfluidic Platform for Stimulating Chondrocytes with Dynamic Compression

A Microfluidic Platform for Stimulating Chondrocytes with Dynamic Compression

Published on: September 13, 2019

Evaluating device performance with standard particles (15 μm and 20 μm) and cell lines (T47D, J774A.1).

Main Results:

Demonstrated deterministic release of particles based on size by adjusting device elongation (1 mm for 15 μm, 5 mm for 20 μm).
Successfully achieved deterministic recovery of T47D breast cancer cells and J774A.1 macrophages.
Showcased the ability to tune cell release by controlling the horizontal elongation of the microfluidic device.

Conclusions:

The developed stretchable microfluidic cell trapper offers a facile and deterministic method for releasing captured cells.
This platform provides a valuable alternative for cell retrieval in microfluidic systems.
The technology has potential applications in drug screening, cell sorting, and other single-cell analyses.