Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Mechanism of Ciliary Motion01:05

Mechanism of Ciliary Motion

3.8K
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...
3.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Correction to "In Vivo Multiplexed Analysis of Aminopeptidase Activities by Hyperpolarized Molecular Probes for Tumor Diagnostic Applications".

Journal of the American Chemical Society·2026
Same author

Shape-induced translational mode transition and self-entrapment of self-propelled metallodielectric rods.

Physical review. E·2026
Same author

Astrocyte reactivity across the AD continuum measured by [<sup>18</sup>F]SMBT-1 and its relationship with the Aβ burden.

European journal of nuclear medicine and molecular imaging·2026
Same author

In Vivo Multiplexed Analysis of Aminopeptidase Activities by Hyperpolarized Molecular Probes for Tumor Diagnostic Applications.

Journal of the American Chemical Society·2026
Same author

[A Case Report of Cecal Cancer with Port Site Recurrence and Right Inguinal Lymph Node Metastasis after Laparoscopic Ileo‒Cecal Resection].

Gan to kagaku ryoho. Cancer & chemotherapy·2026
Same author

Glomerular routing of tumor-derived extracellular vesicles substantiates urinary biopsy.

Science advances·2026

Related Experiment Video

Updated: Aug 26, 2025

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
07:56

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

11.7K

Optically driven liquid crystal droplet rotator.

Keita Saito1, Yasuyuki Kimura2

  • 1Department of Physics, School of Science, Kyushu University, Fukuoka, 819-0395, Japan.

Scientific Reports
|October 5, 2022
PubMed
Summary
This summary is machine-generated.

Elliptically polarized laser light induces liquid crystal droplet rotation. Researchers analyzed nematic and cholesteric liquid crystal behaviors, developing a micro-optomechanical rotator with controllable flow fields.

More Related Videos

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

6.5K
Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
06:26

Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets

Published on: May 15, 2017

7.2K

Related Experiment Videos

Last Updated: Aug 26, 2025

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light
07:56

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

Published on: September 20, 2017

11.7K
High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal
06:24

High-Contrast and Fast Photorheological Switching of a Twist-Bend Nematic Liquid Crystal

Published on: October 31, 2019

6.5K
Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
06:26

Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets

Published on: May 15, 2017

7.2K

Area of Science:

  • Optics
  • Soft Matter Physics
  • Microfluidics

Background:

  • Liquid crystal droplets exhibit unique optical properties.
  • Light-induced rotation in microscale systems is crucial for optomechanical devices.
  • Understanding molecular arrangement is key to controlling droplet behavior.

Purpose of the Study:

  • Investigate laser-induced rotation of liquid crystal droplets.
  • Analyze the mechanisms behind droplet rotation based on molecular arrangement.
  • Explore the application of these systems as micro-optomechanical devices.

Main Methods:

  • Utilized optical tweezers to induce and study droplet rotation.
  • Varied droplet size, ellipticity of incident light, and helical pitch.
  • Employed holographic optical tweezers to construct a nematic liquid crystal rotator system.

Main Results:

  • Observed and analyzed the rotation of nematic liquid crystal (NLC) droplets.
  • Characterized the rotation of cholesteric liquid crystal droplets based on chirality.
  • Demonstrated the transition from light transmission to reflection dominance in rotation with increasing chirality.
  • Generated complex micron-scale flow fields, including vortex and shear fields.

Conclusions:

  • The rotation mechanism is dependent on liquid crystal molecular arrangement and light polarization.
  • Droplet size and helical pitch significantly influence rotation behavior.
  • Holographic optical tweezers enable the creation of controllable micro-optomechanical rotators with tunable flow fields.