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Related Experiment Video

Updated: Nov 15, 2025

Cell Capture Using a Microfluidic Device
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Cell Capture Using a Microfluidic Device

Published on: October 1, 2007

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A Novel and Robust Single-cell Trapping Method on Digital Microfluidics.

Jiao Zhai1, Haoran Li1,2, Ada Hang-Heng Wong3

  • 1State-Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Macao SAR, China.

Bio-Protocol
|March 4, 2021
PubMed
Summary

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Digital microfluidics enables single-cell trapping using 3D microstructures for improved cell culture analysis. This method overcomes bulk analysis limitations by isolating individual cells for detailed study.

Area of Science:

  • Biotechnology
  • Microfluidics
  • Cell Biology

Background:

  • Bulk analysis methods average cell heterogeneity, obscuring individual cell variations in primary tumors.
  • Understanding cell-to-cell variation in tumors requires single-cell analysis techniques.
  • Microfluidics offers a promising platform for cell analysis due to its low reaction volume requirements.

Purpose of the Study:

  • To develop a digital microfluidic platform for efficient single-cell trapping and long-term culture.
  • To address the limitations of bulk analysis in capturing cellular heterogeneity.
  • To enable detailed study of individual cells within primary tumor samples.

Main Methods:

  • Fabrication of 3D microstructures on-chip to create semi-closed micro-wells for cell isolation.
Keywords:
Cell CultureDigital MicrofluidicsDrug ScreeningMicrostructuresSingle-cell

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Related Experiment Videos

Last Updated: Nov 15, 2025

Cell Capture Using a Microfluidic Device
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  • Utilizing digital microfluidics for precise droplet manipulation and cell handling.
  • Employing low-evaporation silicon oil and a fluorinated surfactant to maintain cell viability during culture.

    • Main Results:

    • Achieved single-cell trapping with 20% occupancy in a 30x30 array using the 3D microstructures.
    • Enabled long-term cell culture (24 hours) with reduced droplet evaporation and maintained cell respiration.
    • Demonstrated a protocol for single-cell trapping on a digital microfluidic platform.

    Conclusions:

    • The developed digital microfluidic platform with 3D microstructures effectively enables single-cell trapping.
    • This approach facilitates in-depth analysis of cellular heterogeneity in primary tumor samples.
    • The protocol provides a foundation for advanced single-cell studies in various biological applications.