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

Deformation in a Circular Shaft01:10

Deformation in a Circular Shaft

One of the distinctive characteristics of circular shafts is their ability to maintain their cross-sectional integrity under torsion. In other words, each cross-section continues to exist as a flat, unaltered entity, simply rotating like a solid, rigid slab. To understand the distribution of shearing stress within such a shaft, consider a cylindrical section inside this circular shaft. This section has a length of L and a radius of R, with one end fixed. The radius of the cylindrical section is...

You might also read

Related Articles

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

Sort by
Same author

An Ethanol/Ammonia Dual-Responsive Membrane for Separating Complex Emulsions via Vapor Stimulation.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Self-Assisted Charge Storage-Release Mechanism Enabling Flexible Design of Biomimetic Triboelectric Nanogenerators.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Residue-Free Droplet Transport via a Two-Dimensional Water Droplet Pattern with Asymmetric Wettability.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Dual-Gradient Wettability-Patterned Surface for Droplet Rectification and Targeted Transport.

Langmuir : the ACS journal of surfaces and colloids·2025
Same author

Dual-Bionic Wearable Platform with Neighborhood Electrochemical Biosensor and Janus Fabric for Unidirectional Sweat Sampling and Analysis.

Advanced healthcare materials·2025
Same author

Multi‑omics reveal neutrophil heterogeneity in sepsis (Review).

International journal of molecular medicine·2025

Related Experiment Video

Updated: Jun 23, 2026

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
08:17

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

9.5K

A controllable oil-triggered actuator with aligned microchannel design for implementing precise deformation.

Zhao-Peng Yu1, Li-Ming Dong1, Yun-Yun Song2

  • 1School of Automotive Engineering, Changshu Institute of Technology, No. 99 Hushan Road, Changshu, Suzhou 215500, P. R. China. yuzhaopeng@cslg.edu.cn.

Nanoscale
|July 15, 2020
PubMed
Summary

Researchers developed an oil-triggered Janus actuator inspired by pineal scales. This soft actuator, featuring aligned microchannels, enables controlled bending and twisting for advanced applications.

More Related Videos

Microfluidic Pneumatic Cages: A Novel Approach for In-chip Crystal Trapping, Manipulation and Controlled Chemical Treatment
09:34

Microfluidic Pneumatic Cages: A Novel Approach for In-chip Crystal Trapping, Manipulation and Controlled Chemical Treatment

Published on: July 12, 2016

9.8K
Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots
08:47

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots

Published on: November 8, 2019

8.0K

Related Experiment Videos

Last Updated: Jun 23, 2026

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
08:17

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

9.5K
Microfluidic Pneumatic Cages: A Novel Approach for In-chip Crystal Trapping, Manipulation and Controlled Chemical Treatment
09:34

Microfluidic Pneumatic Cages: A Novel Approach for In-chip Crystal Trapping, Manipulation and Controlled Chemical Treatment

Published on: July 12, 2016

9.8K
Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots
08:47

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots

Published on: November 8, 2019

8.0K

Area of Science:

  • Materials Science
  • Soft Robotics
  • Biomimetics

Background:

  • Developing soft actuators with precise control and complex motions remains a challenge.
  • Existing actuators often lack facile preparation and rapid actuation rates.

Purpose of the Study:

  • To create an oil-triggered Janus actuator with sophisticated motions and precise deformation control.
  • To mimic the aligned structures of pineal scales for enhanced actuator performance.

Main Methods:

  • Fabrication of a Janus actuator using laser etching to create aligned microchannels on a superhydrophobic surface.
  • Utilizing oil and ethanol molecules as triggers for actuator deformation and recovery.
  • Investigating the effect of microchannel orientation on actuator motion.

Main Results:

  • The actuator demonstrated reversible shape deformation (bending, twisting, rolling) triggered by oil and ethanol.
  • Aligned microchannels enabled orientation-controlled large-scale displacement due to differential oil spreading.
  • Programmable complex motions were achieved by altering microchannel orientations.

Conclusions:

  • The developed oil-triggered Janus actuator offers facile preparation, rapid actuation, and precise control over deformation.
  • This actuator design, inspired by nature, opens possibilities for in vivo surgery, biomimetic devices, and soft robotics.