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Related Experiment Video

Updated: Dec 26, 2025

Capillary-based Centrifugal Microfluidic Device for Size-controllable Formation of Monodisperse Microdroplets
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A microfluidic device for digital manipulation of gaseous samples.

A Enel1, A Bourrelier, J Vial

  • 1Univ. Grenoble Alpes, CEA, LETI, MINATEC Campus, F-38000 Grenoble, France. bertrand.bourlon@cea.fr.

Lab on a Chip
|March 12, 2020
PubMed
Summary

This study introduces a digital microfluidic platform (DMFP) capable of manipulating gaseous samples like alkanes. The new system successfully performs essential digital microfluidic operations for gas analysis.

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Area of Science:

  • Microfluidics
  • Analytical Chemistry
  • Gas Chromatography

Background:

  • Digital microfluidics (DMF) has been limited to liquid sample manipulation.
  • Handling gaseous samples presents unique challenges in microfluidic systems.

Purpose of the Study:

  • To develop a digital microfluidic platform (DMFP) for the manipulation of gaseous samples.
  • To demonstrate the DMFP's capability for basic and complex gas microfluidic operations.

Main Methods:

  • Utilized a digital microfluidic platform (DMFP) with interconnected micropreconcentrators (μPCs).
  • Employed controlled temperature for trapping and releasing gaseous samples (alkanes n-hexane to n-nonane).
  • Performed digital microfluidic operations: trapping, releasing, moving, adding, and separating gas samples.

Main Results:

  • The DMFP successfully manipulated gaseous alkanes.
  • Demonstrated all fundamental digital microfluidic operations for gases.
  • Measured alkane breakthrough volumes on Tenax TA adsorbent, yielding results consistent with standard instruments.

Conclusions:

  • The developed DMFP enables digital manipulation of gaseous samples.
  • This technology opens possibilities for programmable gas microfluidic devices.
  • It promises advancements in digital gas sample preparation and analysis methods.