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Microfluidic multipoles theory and applications.

Pierre-Alexandre Goyette1, Étienne Boulais2, Frédéric Normandeau3

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New models predict mass transport in microfluidic multipoles (MFMs), enabling advanced surface processing. This research guides the design of novel devices for chemical and biological applications.

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Area of Science:

  • Microfluidics
  • Chemical Engineering
  • Biotechnology

Background:

  • Microfluidic multipoles (MFMs) show potential for open-space surface processing.
  • Predicting convective flow in MFMs is straightforward, but mass transport modeling remains a challenge.

Purpose of the Study:

  • To develop accurate models for predicting mass transport in microfluidic multipoles.
  • To enable the design of advanced MFMs for novel applications.

Main Methods:

  • Iterative conformal mapping of 2D advection-diffusion.
  • Modeling mass transport in dipolar and multipolar geometries.
  • Experimental validation using 3D printed devices.

Main Results:

  • Complete solutions for mass transport in multipolar microfluidics were derived.
  • Models accurately predicted mass transport, validated by experimental data.
  • New classes of reconfigurable MFMs were designed and fabricated.

Conclusions:

  • The developed models provide a foundation for designing and applying open-space MFMs.
  • Theory-guided design enabled novel devices for spatiotemporal surface processing and automated immunoassays.