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

You might also read

Related Articles

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

Sort by
Same author

3D-Printed Conductive Aerogel Humidity Sensor for Advanced Wearable Sleep and Health Monitoring.

ACS applied materials & interfaces·2026
Same author

Design of a High-Speed Rotary Ultrasonic Machining Machine Tool for Machining Microstructure of Brittle Materials.

Micromachines·2023
Same author

Three-Dimensional Printed Biomimetic Robotic Fish for Dynamic Monitoring of Water Quality in Aquaculture.

Micromachines·2023
Same author

Design of a Template-Based Electrophoretically Assisted Micro-Ultrasonic Machining Micro-Channel Machine Tool and Its Machining Experiment.

Micromachines·2023
Same author

Three-Dimensional Printed Carbon Black/PDMS Composite Flexible Strain Sensor for Human Motion Monitoring.

Micromachines·2022
Same author

Cost analysis of supply chain management of Da Vinci surgical instruments: A retrospective study.

Technology and health care : official journal of the European Society for Engineering and Medicine·2022

Related Experiment Video

Updated: Jul 18, 2025

A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device
05:32

A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device

Published on: November 24, 2016

7.9K

Fast-Response Non-Contact Flexible Humidity Sensor Based on Direct-Writing Printing for Respiration Monitoring.

Xiaojun Chen1, Kanglin Ma1, Jialin Ou1

  • 1School of Mechanical and Electronic Engineering, Lingnan Normal University, Zhanjiang 524048, China.

Biosensors
|August 25, 2023
PubMed
Summary

This study introduces a novel flexible humidity sensor for effective respiratory monitoring. The sensor demonstrates high sensitivity, fast response, and excellent stability, aiding in the diagnosis and treatment of respiratory diseases.

Keywords:
GNPS/MWCNT composite materialdirect-writing printingflexible humidity sensorrespiratory monitoring

More Related Videos

Manufacturing Simple and Inexpensive Soil Surface Temperature and Gravimetric Water Content Sensors
08:49

Manufacturing Simple and Inexpensive Soil Surface Temperature and Gravimetric Water Content Sensors

Published on: December 21, 2019

9.4K
A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing
08:29

A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing

Published on: August 10, 2018

8.0K

Related Experiment Videos

Last Updated: Jul 18, 2025

A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device
05:32

A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device

Published on: November 24, 2016

7.9K
Manufacturing Simple and Inexpensive Soil Surface Temperature and Gravimetric Water Content Sensors
08:49

Manufacturing Simple and Inexpensive Soil Surface Temperature and Gravimetric Water Content Sensors

Published on: December 21, 2019

9.4K
A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing
08:29

A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing

Published on: August 10, 2018

8.0K

Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Sensor Technology

Background:

  • Respiratory monitoring is vital for diagnosing respiratory diseases like pneumonia and bronchitis.
  • Existing humidity sensors face challenges in achieving optimal sensitivity, detection range, and response speed.
  • Developing advanced sensors is crucial for improving respiratory health evaluations.

Purpose of the Study:

  • To develop a flexible double-layer humidity sensor using a PDMS substrate and GNP/MWCNT composite.
  • To evaluate the sensor's performance characteristics, including sensitivity, detection range, response/recovery times, and stability.
  • To explore the potential applications of this sensor in clinical and home-based respiratory monitoring.

Main Methods:

  • Fabrication of a double-layer humidity sensor with Polydimethylsiloxane (PDMS) as the substrate.
  • Utilizing a Gold Nanoparticle (GNP)/Multi-Walled Carbon Nanotube (MWCNT) composite as the sensing element.
  • Characterization of sensor performance, including sensitivity, detection range, response and recovery times, and long-term stability through repeated cycles.

Main Results:

  • The developed sensor achieved high sensitivity (1.4 RH-1) and a wide detection range (20-90% relative humidity).
  • Exhibited ultra-fast response (0.35 s) and recovery (2.5 s) times.
  • Demonstrated high repetitiveness over 500 cycles, good long-term stability, and excellent flexibility.

Conclusions:

  • The flexible GNP/MWCNT humidity sensor offers superior performance for respiratory monitoring.
  • Its characteristics make it suitable for real-time clinical and home medical care applications.
  • This sensor represents a significant advancement in non-invasive monitoring of respiratory moisture levels for disease diagnosis and management.