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

Strain and Elastic Modulus01:15

Strain and Elastic Modulus

9.1K
The quantity that describes the deformation of a body under stress is known as strain. Strain is given as a fractional change in either length, volume, or geometry under tensile, volume (also known as bulk), or shear stress, respectively, and is a dimensionless quantity. The strain experienced by a body under tensile or compressive stress is called tensile or compressive strain, respectively. In contrast, the strain experienced under bulk stress and shear stress is known as volume and shear...
9.1K
Measurements of Strain01:27

Measurements of Strain

2.6K
Strain quantifies the deformation of a material under force, typically measured as normal strain, which represents the change in length when compared with the original length. Electrical strain gauges are used for enhanced accuracy. These devices consist of a conductive wire mounted on a paper backing that adheres to the material's surface. These gauges operate on the piezoresistive effect, where the wire's electrical resistance changes in response to mechanical deformation. The strain...
2.6K
Elasticity in Concrete01:20

Elasticity in Concrete

373
Upon subjecting concrete to moderate or high uniaxial compressive or tensile stresses, the strain response is non-linear relative to the stress applied. As the stress is removed, the resulting stress-strain curve deviates from the original path traced during loading, creating a hysteresis loop, indicative of the concrete's non-linear and non-elastic properties. Typically, a material's modulus of elasticity, which is a measure of the material's stiffness, is inferred from the linear...
373

You might also read

Related Articles

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

Sort by
Same author

A Case of Ascending Colon Stricture Following Appendicitis with Abscess Formation.

Cureus·2026
Same author

<b>A new species of spined loach from the southern Shikoku Island, Japan (Cypriniformes: Cobitidae)</b>.

Zootaxa·2026
Same author

Real-Time Stress Visualization of Hydrogels Enabled by Supramolecularly Switched Stretch-Induced Phase Separation.

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

A Single Hydrogen Bond Unit Modulates the Dynamics and Cellular Interactions of Fibrous Materials Formed by Self-Assembled Peptide Amphiphiles.

Biomacromolecules·2026
Same author

Size and Macroscopic Type of Type B2 Vessel Areas in JES Classification for Predicting Invasion Depth: A Multicenter Prospective Study.

Digestive endoscopy : official journal of the Japan Gastroenterological Endoscopy Society·2026
Same author

Crystalloid cardioplegia versus cold blood cardioplegia in aortic arch surgery: A noninferiority randomized trial.

JTCVS open·2026

Related Experiment Video

Updated: Feb 17, 2026

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
05:57

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Published on: March 17, 2023

4.4K

Highly Sensitive and Stretchable Strain Sensors Based on Conductive Elastomer Composites.

Xiuyuan Hu1, Kenji Yamaoka1,2, Ryohei Ikura1,2

  • 1Department of Macromolecular Science, Graduate School of Science, The University of Osaka, Toyonaka, Osaka 560-0043, Japan.

ACS Polymers Au
|February 16, 2026
PubMed
Summary

Researchers developed advanced conductive elastomer composites for flexible strain sensors. These materials offer high sensitivity and stretchability, crucial for wearable electronics and soft robotics applications.

Keywords:
high toughnessmovable cross-linkrecyclabilityroboticsstress−strain sensors

More Related Videos

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
09:38

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets

Published on: November 7, 2016

9.2K
Production of a Strain-Measuring Device with an Improved 3D Printer
06:17

Production of a Strain-Measuring Device with an Improved 3D Printer

Published on: January 30, 2020

6.5K

Related Experiment Videos

Last Updated: Feb 17, 2026

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
05:57

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

Published on: March 17, 2023

4.4K
Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
09:38

Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets

Published on: November 7, 2016

9.2K
Production of a Strain-Measuring Device with an Improved 3D Printer
06:17

Production of a Strain-Measuring Device with an Improved 3D Printer

Published on: January 30, 2020

6.5K

Area of Science:

  • Materials Science
  • Polymer Science
  • Nanotechnology

Background:

  • Flexible strain sensors are vital for surgical robots, wearable electronics, and soft electronic skin.
  • Achieving both high sensitivity and large stretchability in strain sensor materials remains a significant challenge.
  • Existing highly stretchable polymers often exhibit low gauge factors (GF) due to intact conductive pathways during deformation.

Purpose of the Study:

  • To develop novel conductive elastomer composites that overcome the trade-off between sensitivity and stretchability.
  • To integrate movable cross-links with carbon-based conductive fillers to enhance strain sensing performance.
  • To optimize material composition for superior mechanical and electrical properties.

Main Methods:

  • Design and synthesis of four conductive elastomer composite systems.
  • Integration of movable cross-links (γ-cyclodextrin) with conductive fillers (Ketjenblack).
  • Systematic optimization of molecular weight, γ-cyclodextrin content, and Ketjenblack loading.

Main Results:

  • The optimal composition, P1-CD⊃P2/KB (86k, 0.62, 10), demonstrated an ultrahigh gauge factor (GF) of 1500 ± 100.
  • Achieved a remarkable fracture strain of 300%, indicating excellent stretchability.
  • The composite exhibited excellent durability over 500 stretch-release cycles and enabled precise motion sensing in a robotic hand.

Conclusions:

  • Movable cross-linked elastomer composites offer a promising solution for next-generation strain sensors.
  • The developed material balances high sensitivity and large stretchability, addressing a key challenge in the field.
  • Potential applications include advanced wearable devices and humanoid robotics requiring precise motion detection.