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Mechanism of Ciliary Motion01:05

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The ciliary structures were first seen in 1647 by Antonie Leeuwenhoek while observing the protozoans. In lower organisms, these appendages are responsible for cell movement, while in higher organisms, these appendages help in the movement of the extracellular fluids within the body cavities.
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The primary cilium, made up of microtubules, acts as antennae on the cell surfaces for relaying external stimuli into the cells. These fine hair-like structures are present, generally one per cell. These are non-motile cilia in a 9+0 microtubules arrangement, where the central pair of microtubules are absent. The primary cilia arise from the basal body embedded in the cell membrane. Intraflagellar transport (IFT) carries requisite proteins from the cytoplasm to the cilium because the primary...
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Artificial Intelligence Approaches to Assessing Primary Cilia
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Microscopic artificial cilia - a review.

Tanveer Ul Islam1,2, Ye Wang1,2, Ishu Aggarwal3

  • 1Microsystems, Department of Mechanical Engineering, Eindhoven University of Technology, 5612 AE, Eindhoven, The Netherlands. J.M.J.d.Toonder@tue.nl.

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|April 11, 2022
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Summary
This summary is machine-generated.

Scientists are developing artificial cilia, inspired by biological ones, for microfluidic applications. This review covers their fabrication, actuation, and functions like flow generation and sensing, highlighting their potential for industrial use.

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Area of Science:

  • Biomimetic engineering
  • Microfluidics
  • Cell biology

Background:

  • Cilia are vital cell organelles for transport and sensing.
  • Artificial cilia mimic these functions for microfluidic applications.
  • Current research focuses on lab-on-chip and organ-on-chip systems.

Purpose of the Study:

  • To critically review the progress in artificial cilia research and development.
  • To evaluate the future potential of artificial cilia technology.
  • To provide classifications and quantitative comparisons of existing approaches.

Main Methods:

  • Review of fabrication approaches for artificial cilia.
  • Analysis of various actuation principles (magnetic, electric, pneumatic).
  • Examination of artificial cilia functions: flow generation, particle transport, and flow sensing.

Main Results:

  • Artificial cilia can generate microfluidic flow and transport particles.
  • Applications include anti-biofouling and advanced flow sensing.
  • Diverse fabrication and actuation methods are being explored.

Conclusions:

  • Artificial cilia research is advancing rapidly with industrial implementation nearing.
  • Novel scientific opportunities are emerging from ongoing developments.
  • The field shows significant promise for microfluidic device innovation.