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

Pulse Oximetry01:24

Pulse Oximetry

362
Pulse oximetry, or SpO2, is a non-invasive method for continuously monitoring arterial oxygen saturation (SaO2). This procedure involves attaching a probe or sensor to the patient's fingertip, forehead, earlobe, or nose bridge. The sensor works by detecting changes in oxygen saturation levels through light signals generated by the oximeter and reflected by the pulsing blood under the probe.
Purpose
Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
362

You might also read

Related Articles

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

Sort by
Same author

A Lightweight Hybrid Authentication and Key Agreement Protocol for Decentralized Device-to-Device Communication with Post-Quantum Confidentiality.

Sensors (Basel, Switzerland)·2026
Same author

Agreement between intra-bladder and insufflation pressure readings during laparoscopic surgery.

Journal of clinical monitoring and computing·2026
Same author

Evaluating a Wearable-Based Pain Monitoring System in Palliative Cancer Care: Usability and Feasibility Study.

JMIR formative research·2026
Same author

Exploring Near- and Far-Field Effects in Photoplethysmography Signals Across Different Source-Detector Distances.

Sensors (Basel, Switzerland)·2025
Same author

Nondestructive Monitoring of Textile-Reinforced Cementitious Composites Subjected to Freeze-Thaw Cycles.

Materials (Basel, Switzerland)·2025
Same author

An Introduction to Ventra: A Programmable Abdominal Phantom for Training, Educational, Research, and Development Purposes.

Sensors (Basel, Switzerland)·2024

Related Experiment Video

Updated: Jul 20, 2025

Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
11:35

Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function

Published on: December 8, 2010

16.6K

Novel Multi-Parametric Sensor System for Comprehensive Multi-Wavelength Photoplethysmography Characterization.

Joan Lambert Cause1,2, Ángel Solé Morillo1, Bruno da Silva1

  • 1Department of Electronics and Informatics (ETRO), Vrije Universiteit Brussel (VUB), 1050 Brussels, Belgium.

Sensors (Basel, Switzerland)
|July 29, 2023
PubMed
Summary

This study introduces a novel sensor system for multi-wavelength photoplethysmography (MW-PPG), accurately measuring cardiovascular signals alongside contact force and temperature. The system enhances signal quality and reliability for improved health assessments.

Keywords:
MW-PPGPSoCcontact forcemulti-wavelengthphotoplethysmographytemperature

More Related Videos

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
14:28

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care

Published on: May 10, 2024

1.6K
Real-Time Monitoring of Neurocritical Patients with Diffuse Optical Spectroscopies
07:12

Real-Time Monitoring of Neurocritical Patients with Diffuse Optical Spectroscopies

Published on: November 19, 2020

2.2K

Related Experiment Videos

Last Updated: Jul 20, 2025

Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
11:35

Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function

Published on: December 8, 2010

16.6K
Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
14:28

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care

Published on: May 10, 2024

1.6K
Real-Time Monitoring of Neurocritical Patients with Diffuse Optical Spectroscopies
07:12

Real-Time Monitoring of Neurocritical Patients with Diffuse Optical Spectroscopies

Published on: November 19, 2020

2.2K

Area of Science:

  • Biomedical Engineering
  • Physiological Measurement
  • Sensor Technology

Background:

  • Photoplethysmography (PPG) is crucial for cardiovascular health monitoring.
  • Variations in contact force and temperature significantly impact PPG signal accuracy and reliability.
  • Existing research lacks comprehensive understanding of how these factors distort PPG signal morphology, particularly for multi-wavelength PPG (MW-PPG).

Purpose of the Study:

  • To develop and characterize a modular multi-parametric sensor system for simultaneous MW-PPG, contact force, and temperature acquisition.
  • To comprehensively analyze the effects of contact force and temperature variations on MW-PPG signal morphology.
  • To improve the resolution and quality of MW-PPG measurements through dynamic DC cancellation circuitry.

Main Methods:

  • Integration of a modular sensor system for real-time acquisition of MW-PPG, contact force, and temperature.
  • Implementation of dynamic DC cancellation circuitry to enhance measurement resolution.
  • Validation of MW-PPG signal accuracy using a synthesized reference optical signal.
  • Evaluation of contact force and temperature sensor performance.
  • In vivo testing on a human volunteer to assess overall system quality.

Main Results:

  • The developed system demonstrated high precision and accuracy in multi-parametric measurements.
  • The sensor system successfully acquired high-resolution and low-distortion MW-PPG signals.
  • Characterization of the impact of contact force and temperature variations on MW-PPG signal contour was achieved.
  • Dynamic DC cancellation effectively improved measurement resolution.

Conclusions:

  • The novel multi-parametric sensor system provides a robust platform for accurate MW-PPG measurements.
  • Findings contribute to understanding and mitigating PPG signal distortions caused by external factors.
  • The system advances the development of more accurate and reliable PPG-based cardiovascular monitoring solutions.
  • This work bridges existing gaps in the literature regarding MW-PPG signal integrity.