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A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
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A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device
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Sweat-sensitive adaptive warm clothing.

Xiaofeng Jiang1, Xiuqiang Li1, Hongbo Zhang1

  • 1Key Laboratory for Intelligent Nano Materials and Devices of Ministry of Education, State Key Laboratory of Mechanics and Control for Aerospace Structures, and International Institute for Frontier Science, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.

Science Advances
|August 13, 2025
PubMed
Summary
This summary is machine-generated.

This study introduces adaptive warm clothing with a bacterial cellulose membrane that adjusts thickness based on sweating. This innovation significantly enhances thermal regulation and comfort in changing environments.

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Area of Science:

  • Materials Science
  • Textile Engineering
  • Biotechnology

Background:

  • Traditional warm clothing offers limited adaptability to dynamic microclimates.
  • Human comfort in cold environments relies heavily on effective thermal regulation.

Purpose of the Study:

  • To develop adaptive warm clothing with enhanced thermal regulation capabilities.
  • To address the limitations of static thermal insulation in conventional apparel.

Main Methods:

  • Incorporation of a natural bacterial cellulose membrane as a responsive filling.
  • Automatic adjustment of clothing thickness based on humidity and sweating levels.
  • Comparative analysis of thermal regulation efficiency against traditional clothing.

Main Results:

  • The adaptive cloth's thickness dynamically changes from 13 mm to 2 mm.
  • Achieved an 82.8% expansion in thermal regulation capability compared to traditional clothing.
  • Modeling predicts a 7.5-hour average extension of the no thermal stress zone in 20 Chinese cities.

Conclusions:

  • The developed adaptive warm clothing offers superior, dynamic thermal regulation.
  • Bacterial cellulose membranes provide a stable, scalable solution for smart textiles.
  • This technology significantly improves human comfort and extends thermal stress-free periods.