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Related Concept Videos

Personal Protective Equipment01:20

Personal Protective Equipment

Personal protective equipment (PPE) is unique clothing or equipment worn by an employee to minimize or prevent exposure to infectious agents. PPE creates a barrier between the employee and the infectious materials. PPE must be readily available in the patient care area. PPE includes gloves, gowns and aprons, masks and respirators, goggles, face shields, shoes, and headcovers:
PPE Use in Healthcare Settings II: Doffing01:10

PPE Use in Healthcare Settings II: Doffing

The sequence of removing or doffing PPE starts with the gloves, as they are the most contaminated. Next is removal of the face shield or goggles, as they would interfere with removing other PPE. Then remove the gown, followed by the mask or respirator. Perform hand hygiene between steps if hands become contaminated and immediately after removing all PPE. Generally, the outside front and sleeves of the isolation gown, the goggles or the mask, the respirator, and the face shield are contaminated.
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,...
Assessing Body Temperature - Tympanic membrane01:14

Assessing Body Temperature - Tympanic membrane

Assessing tympanic membrane temperature involves using a tympanic membrane thermometer (TMT). Here is a step-by-step guide:
Step 1: Begin by practicing good hand hygiene to prevent the transmission of microorganisms.
Step 2: Turn on the thermometer and wait until the ready sign appears on the screen to ensure accurate measurement.
Step 3: Slide the probe cover in place to prevent cross-contamination.
Step 4: Instruct the patient to tilt their head to the side for comfort and check for cerumen...
Masking and Demasking Agents01:19

Masking and Demasking Agents

EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...
Oxygen Delivering System I: Nasal Cannula and Face Mask01:26

Oxygen Delivering System I: Nasal Cannula and Face Mask

The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...

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Janus Photothermal Comfortable Face Mask for Environmental Pollutant Monitoring.

Xiyan Wang1, Lijun Qu1, Yongchao Song1

  • 1Intelligent Wearable Engineering Research Center of Qingdao, Research Center for Intelligent and Wearable Technology, College of Textiles and Clothing, Qingdao University, Qingdao 266071, China.

ACS Nano
|August 14, 2025
PubMed
Summary

This study introduces a comfortable, wearable face mask that acts as a sensor to detect environmental pollutants like hydrogen sulfide and formaldehyde. The innovative design ensures comfort while enabling real-time personal health and environmental monitoring.

Keywords:
Janus micropatternscomfortable sensorenvironmental monitoringface maskphotothermal evaporation

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Area of Science:

  • Materials Science
  • Environmental Science
  • Wearable Technology

Background:

  • Recent respiratory outbreaks have driven innovation in face masks beyond simple protection.
  • Face masks are evolving into integrated wearable sensors for health and environmental monitoring.

Purpose of the Study:

  • To develop a comfortable, wearable face mask integrated with sensing capabilities for environmental pollutant monitoring.
  • To create a Janus photothermal face mask for real-time detection of airborne pollutants.

Main Methods:

  • Integration of a hydrophobic-hydrophilic Janus polylactic acid (PLA) membrane for unidirectional moisture transport.
  • Utilizing photothermal materials to manage mask humidity for wearer comfort.
  • Employing continuous breathing to enrich pollutant targets on the mask's hydrophilic micropatterns.

Main Results:

  • Achieved sensitive and selective detection of environmental pollutants, specifically hydrogen sulfide and formaldehyde.
  • Demonstrated a comfortable relative humidity of approximately 30% within the mask.
  • Successfully developed a noninvasive wearable sensor for environmental monitoring.

Conclusions:

  • The developed photothermal sensory face mask offers comfort, wearability, and noninvasive monitoring.
  • This technology shows significant potential for personal health management and real-time environmental surveillance.
  • The Janus membrane and photothermal materials enable efficient pollutant detection and comfortable wear.