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

Measurements of Strain01:27

Measurements of Strain

2.0K
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...
2.0K

You might also read

Related Articles

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

Sort by
Same author

Association of neutrophil-to-prognostic nutritional index ratio with long-term mortality in acute myocardial infarction from Chinese and US cohorts.

Frontiers in nutrition·2026
Same author

Metabolic characteristics of poultry eggs from five species: insights from metabolomics, network analysis, and machine learning.

Poultry science·2026
Same author

Bridging to low-dose corticosteroids after satralizumab discontinuation in unplanned pregnancy: Two cases of AQP4-positive NMOSD.

Multiple sclerosis and related disorders·2026
Same author

An Ultra-Strength, Low-Temperature-Curing Adhesive Enabled by a Polyphenol-Enhanced Phase-Separation Network.

ACS applied materials & interfaces·2026
Same author

Polymer-Based Multiparameter Sensing Integrated Photonic Chip for Health Monitoring.

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

Preparation of high-performance soy protein adhesive through in situ-induced gelation strategy with enhanced cold-pressing strength and water retention.

International journal of biological macromolecules·2026

Related Experiment Video

Updated: Sep 5, 2025

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

6.2K

Degradable and stretchable bio-based strain sensor for human motion detection.

Shifeng Zhang1, Hongqiang Li1, Zhipeng Yang1

  • 1School of Materials Science and Engineering, Key Lab of Guangdong Province for High Property and Functional Polymer Materials, South China University of Technology, Guangzhou 510640, China.

Journal of Colloid and Interface Science
|July 9, 2022
PubMed
Summary
This summary is machine-generated.

Researchers developed a new, eco-friendly flexible strain sensor using bio-based materials and candle soot. This degradable sensor offers high performance for wearable devices and avoids electronic waste, promoting sustainability.

Keywords:
ChitosanDegradableHuman motion detectionPotato starchStrain sensorWireless sensing

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

8.9K
Author Spotlight: Enhancing Remote Rehabilitation with Virtual Reality and Electromyography
04:06

Author Spotlight: Enhancing Remote Rehabilitation with Virtual Reality and Electromyography

Published on: January 12, 2024

702

Related Experiment Videos

Last Updated: Sep 5, 2025

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

6.2K
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

8.9K
Author Spotlight: Enhancing Remote Rehabilitation with Virtual Reality and Electromyography
04:06

Author Spotlight: Enhancing Remote Rehabilitation with Virtual Reality and Electromyography

Published on: January 12, 2024

702

Area of Science:

  • Flexible electronics
  • Materials science
  • Biomaterials engineering

Background:

  • Flexible strain sensors are crucial for wearable technology but often generate non-degradable electronic waste.
  • Environmental concerns necessitate the development of sustainable and biodegradable electronic components.

Purpose of the Study:

  • To create a novel, stretchable, and biodegradable strain sensor using bio-based materials.
  • To address the environmental impact of electronic waste in flexible electronics.

Main Methods:

  • Fabrication of a strain sensor using candle soot (CS) for conductive pathways and a matrix of chitosan, potato starch (PS), and polyvinyl alcohol (PVA) stabilized with Fe³⁺ ions.
  • Characterization of mechanical properties, including elongation at break and fatigue resistance.
  • Evaluation of sensing performance, response time, and repeatability.
  • Demonstration of applications in human motion detection and wireless monitoring.
  • Assessment of biodegradability in acetic acid solution.

Main Results:

  • The sensor exhibited high stretchability (200% elongation at break) and good fatigue resistance due to hydrogen and coordination bonding.
  • Achieved stable sensitivity (GF=1.49 at 0-60%, GF=2.71 at 60-100%), fast response (0.22 s), and excellent repeatability over 1000 cycles.
  • Successfully detected human motions and enabled wireless monitoring of finger joints via an Arduino microcontroller.
  • Demonstrated complete degradation within 10 minutes in 2 wt% CH₃COOH at 90 °C, confirming its eco-friendly nature.

Conclusions:

  • A new methodology for preparing environmentally friendly, degradable, and high-performance flexible strain sensors has been established.
  • This approach offers a sustainable alternative to conventional non-degradable sensors, mitigating electronic waste.
  • The developed sensor holds significant potential for applications in wearable devices and health monitoring, aligning with sustainable development goals.