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Related Concept Videos

Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
The Respiratory System01:16

The Respiratory System

The respiratory system is comprised of the organs that enable breathing. Air enters the nostrils and mouth, followed by the pharynx (throat) and larynx (voice box), which lead to the trachea (windpipe). In the thoracic cavity, the trachea splits into two bronchi that allow air to enter the lungs. The bronchi split into progressively smaller bronchioles and terminate in small groups of tiny sacs in the lungs called alveoli, where gas exchange occurs.
Thermosensation01:43

Thermosensation

Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
Pulmonary Function Tests01:25

Pulmonary Function Tests

Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...

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Related Experiment Video

Updated: Jun 6, 2026

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

A Wearable Thermoelectric Respiratory Sensing System for Quantitative Pulmonary Function Monitoring.

Hang Shi1,2, Huixu Li3,4, Hanzhi Fu1,2

  • 1College of Pharmacy, Xinjiang Medical University, Urumqi, Xinjiang 830017, China.

ACS Nano
|June 5, 2026
PubMed
Summary

A new porous graphene foam sensor offers stable, real-time respiratory monitoring for chronic obstructive pulmonary disease (COPD) and asthma. This technology enables early detection of COPD exacerbations, improving patient treatment.

Keywords:
COPD exacerbation early warningcontinuous pulmonary function monitoringmechanical−thermal signal decouplingmultiscenario wearable detectionthermoelectric respiratory sensing

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A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device
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Published on: April 28, 2020

Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Pulmonology

Background:

  • Effective management of COPD and asthma requires advanced respiratory monitoring.
  • Current technologies face limitations in portability, stability, and durability.

Purpose of the Study:

  • To develop a novel sensor for simultaneous, crosstalk-free detection of deformation and airflow temperature.
  • To create a robust and stable monitoring system for obstructive airway diseases.

Main Methods:

  • Fabrication of a porous graphene-based foam sensor.
  • Testing sensor stability under cyclic compression (15,000 cycles at 80% strain).
  • Development of a small airway obstruction index (SAOI) using thermoelectric signals.

Main Results:

  • The graphene foam sensor demonstrated high mechanical and thermoelectric stability.
  • The sensor achieved simultaneous, crosstalk-free detection of deformation and airflow temperature.
  • A novel SAOI was defined for early warning of COPD acute exacerbation risk.

Conclusions:

  • The developed sensor offers a promising solution for real-time respiratory monitoring in COPD and asthma.
  • The SAOI enables individualized early detection of COPD exacerbations.
  • This technology facilitates timely treatment adjustments for improved patient outcomes.