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Related Concept Videos

Personal Protective Equipment01:20

Personal Protective Equipment

1.5K
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:
1.5K
Factors Affecting the Risk of Infection01:26

Factors Affecting the Risk of Infection

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
11.8K
Types of Toxins01:36

Types of Toxins

1.7K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.7K
PPE Use in Healthcare Settings II: Doffing01:10

PPE Use in Healthcare Settings II: Doffing

909
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.
909

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Related Experiment Video

Updated: Jul 2, 2025

Sampling, Identification and Characterization of Microplastics Release from Polypropylene Baby Feeding Bottle during Daily Use
05:48

Sampling, Identification and Characterization of Microplastics Release from Polypropylene Baby Feeding Bottle during Daily Use

Published on: July 24, 2021

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Microplastics release from face masks: Characteristics, influential factors, and potential risks.

Xu Zhao1, Panpan Gao1, Ziqing Zhao1

  • 1Key Laboratory of Pollution Processes and Environmental Criteria (Ministry of Education), Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.

The Science of the Total Environment
|February 22, 2024
PubMed
Summary

Improperly disposed face masks release numerous microplastics, primarily transparent fibers under 1mm. These mask-derived microplastics pose potential environmental and health risks, especially through inhalation.

Keywords:
COVID-19MaskMicroplasticRisksWeathering

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Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis
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Area of Science:

  • Environmental Science
  • Materials Science
  • Toxicology

Background:

  • The COVID-19 pandemic led to widespread face mask usage and improper disposal.
  • This has resulted in a significant increase in microplastic pollution from masks.

Purpose of the Study:

  • To review the characteristics of microplastics originating from face masks.
  • To identify factors influencing microplastic release from masks.
  • To assess the environmental and health risks associated with mask-derived microplastics.

Main Methods:

  • This study is a comprehensive literature review.
  • It synthesizes existing research on mask-derived microplastics.

Main Results:

  • Mask-derived microplastics are typically transparent fibers less than 1mm in length.
  • Microplastic release is influenced by mask type (surgical masks release more), usage habits (long-term wear, disinfection), and environmental factors (UV, temperature, pH, mechanical stress).

Conclusions:

  • Mask-derived microplastics present risks to organisms and the environment, including potential human health impacts via inhalation.
  • Further research is needed on microplastic release from alternative mask materials and under diverse weathering conditions.