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Mechanism of Ciliary Motion

Mechanism of Ciliary Motion

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.
The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...

Mechanism of Ciliary Motion

Mechanism of Ciliary Motion

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.
The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...

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Related Experiment Video

Updated: Jun 5, 2026

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

Published on: June 30, 2018

Cell rotation using optoelectronic tweezers.

Yuan-Li Liang, Yuan-Peng Huang, Yen-Sheng Lu

Biomicrofluidics

|January 27, 2011

Summary

This summary is machine-generated.

Optoelectronic tweezers (OET) enable cell rotation via a rotating electric field. This method successfully rotated Ramos and yeast cells, demonstrating its potential for cell analysis.

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Last Updated: Jun 5, 2026

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

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Published on: June 30, 2018

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Probing Cell Mechanics with Bead-Free Optical Tweezers in the Drosophila Embryo

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Area of Science:

Biophysics
Cell biology
Microfluidics

Background:

Optoelectronic tweezers (OET) offer precise control over microparticles.
Cell electrorotation is a valuable technique for analyzing cell properties.

Purpose of the Study:

To develop and demonstrate a novel cell rotation method using optoelectronic tweezers.
To investigate the feasibility of OET for cell electrorotation.

Main Methods:

Utilized a binary image of an OET device to generate a rotating electric field.
Applied different AC voltages to light and dark sides of the OET device, mimicking parallel plates.
Demonstrated cell rotation by targeting Ramos and yeast cells.

Main Results:

Successfully achieved pitch-axis rotation of Ramos and yeast cells using the OET device.
Confirmed the dependence of OET-induced electrorotation on various factors.

Conclusions:

Optoelectronic tweezers provide a viable method for cell electrorotation.
The technique's effectiveness is influenced by medium properties, cell characteristics, and device parameters.