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Related Concept Videos

Sensory Functions of the Skin01:16

Sensory Functions of the Skin

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The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
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A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device
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Monitoring Skin Volatile Emissions Using Wearable Sensors.

R Angioi1, N Thamatam2, M Agah2

  • 1School of Chemical Sciences, SFI Insight Centre for Data Analytics, Dublin City University, Dublin, Ireland;

Annual Review of Analytical Chemistry (Palo Alto, Calif.)
|May 15, 2025
PubMed
Summary
This summary is machine-generated.

Wearable sensors can now detect volatile organic compounds (VOCs) emitted by skin for noninvasive health monitoring. This technology offers real-time insights into metabolic and microbial processes, advancing diagnostic capabilities.

Keywords:
electrochemical detectiongas chromatography–mass spectrometrygland secretionsmetabolitesmicrobialoptical detectionvolatile organic compounds

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Area of Science:

  • Biomedical Engineering
  • Analytical Chemistry
  • Wearable Technology

Background:

  • Human skin continuously emits volatile organic compounds (VOCs) linked to metabolic processes, microbial activity, and environmental exposures.
  • Analyzing skin VOCs offers a noninvasive, passive, and accessible method for health diagnostics.
  • Wearable sensors for skin VOCs are emerging as a promising alternative to traditional biofluid monitoring.

Purpose of the Study:

  • To review recent advancements in wearable skin VOC sensors.
  • To discuss innovations in sensing materials and device design for wearable VOC monitoring.
  • To identify challenges, limitations, and future opportunities in this field.

Main Methods:

  • Review of current literature on skin VOCs and wearable sensor technology.
  • Analysis of semiconductor technology integration in wearable VOC sensors.
  • Discussion of novel sensing materials and device architectures.

Main Results:

  • Significant progress in developing fully integrated wearable skin VOC sensors.
  • Emergence of advanced sensing materials and device designs for enhanced performance.
  • Identification of key technological challenges and opportunities for future development.

Conclusions:

  • Wearable skin VOC sensors represent a rapidly advancing field with high potential for noninvasive health monitoring.
  • Technological innovations are crucial for overcoming current limitations and realizing the full diagnostic capabilities of skin VOCs.
  • Future research should focus on material science, device engineering, and clinical validation.