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Updated: Jul 6, 2026

Microfluidic Mixers for Studying Protein Folding
12:42

Microfluidic Mixers for Studying Protein Folding

Published on: April 10, 2012

Artificial cilia for active micro-fluidic mixing.

Jaap den Toonder1, Femke Bos, Dick Broer

  • 1Philips Research Laboratories, High Tech Campus, 5656, AE, Eindhoven, The Netherlands. jaap.den.toonder@philips.com

Lab on a Chip
|March 29, 2008
PubMed
Summary
This summary is machine-generated.

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Researchers developed artificial cilia for microfluidic devices to enhance fluid mixing. These bio-inspired cilia, actuated by electrical signals, generate significant flow velocities, improving mixing efficiency in lab-on-chip systems.

Area of Science:

  • Microfluidics
  • Biomimetics
  • Polymer Science

Background:

  • Lab-on-chip devices require precise fluid manipulation in micro-scale channels.
  • Achieving efficient mixing in microfluidic systems is challenging due to the absence of turbulence.

Purpose of the Study:

  • To propose and demonstrate an active microfluidic mixing concept inspired by biological cilia.
  • To investigate the fluid dynamics and mixing capabilities of artificial cilia in microchannels.

Main Methods:

  • Fabrication of artificial cilia using electrostatically actuated polymer structures.
  • Integration of artificial cilia into a microfluidic channel.
  • Flow visualization experiments to measure fluid velocities.
  • Design and testing of specific geometrical cilia configurations for enhanced mixing.

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Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology
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Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology

Published on: November 13, 2014

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Last Updated: Jul 6, 2026

Microfluidic Mixers for Studying Protein Folding
12:42

Microfluidic Mixers for Studying Protein Folding

Published on: April 10, 2012

Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology
13:59

Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology

Published on: November 13, 2014

Main Results:

  • Artificial cilia successfully generated substantial fluid velocities up to 0.6 mm/s.
  • Specially designed cilia configurations demonstrated very efficient mixing within the microchannel.
  • The artificial cilia are actively controllable via electrical signals.

Conclusions:

  • The developed artificial cilia offer a novel and effective method for active fluid mixing in microfluidic devices.
  • This bio-inspired approach has significant potential for applications in lab-on-chip systems requiring enhanced mixing.
  • The active control of artificial cilia opens new possibilities for sophisticated fluid manipulation in miniaturized systems.