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  2. Surgical mask - Wikipedia

    en.wikipedia.org/wiki/Surgical_mask

    A surgical mask serves as a mechanical barrier that interferes with direct airflow in and out of respiratory orifices (i.e. nose and mouth).Most commonly used surgical masks are designed to only trap respiratory droplets, and therefore do not filter or block fine airborne particles that are smaller than the designed filtration ratings, which may be transmitted by coughs, sneezes, unintentional ...

  3. Disposable masks can take up to 450 years to decompose ... - AOL

    www.aol.com/lifestyle/disposable-masks-450-years...

    Mask materials can be even more complicated. Take the common disposable surgical mask, for example, which, explains a 2021 study out of the University of Denmark, is made of three layers — an ...

  4. Melanistic mask - Wikipedia

    en.wikipedia.org/wiki/Melanistic_mask

    The melanistic mask is caused by the M264V allele (known as E M) at the melanocortin 1 receptor (MC1R) locus, also known as the extension locus. [1] [2] It is completely dominant to the other alleles of the gene, and causes the melanocyte-stimulating hormone to bind to and activate melanocortin 1 receptors (located on melanocytes) in the mask's area, causing those melanocytes to produce ...

  5. Mechanical filter (respirator) - Wikipedia

    en.wikipedia.org/wiki/Mechanical_filter_(respirator)

    Chlorine-based methods, such as chlorine bleach, may cause residual smell, offgassing of chlorine when the mask becomes moist, and in one study, physical breakdown of the nosepads, causing increased leakage. [59] Fit and comfort do not seem to be harmed by UVGI, moist heat incubation, and microwave-generated steam. [59]

  6. Face masks during the COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/Face_masks_during_the...

    Taiwanese president Tsai Ing-wen wearing a surgical mask. Certified medical masks are made of non-woven material, and they are mostly multi-layer. Filters may be made of microfibers with an electrostatic charge; that is, the fibers are electrets. An electret filter increases the chances that smaller particles will veer and hit a fiber, rather ...

  7. Cyanoacrylate - Wikipedia

    en.wikipedia.org/wiki/Cyanoacrylate

    Applying cyanoacrylate to some natural materials such as cotton (jeans, cotton swabs, cotton balls, and certain yarns or fabrics), leather or wool results in a powerful, rapid, exothermic reaction. This reaction also occurs with fiberglass and carbon fiber. The heat released may cause serious burns [34] or release irritating white smoke.

  8. The dangers of LED face masks you should know about - AOL

    www.aol.com/lifestyle/dangers-led-face-masks...

    "The potential dangers of using at-home LED masks include headaches, eye strain, sleep disturbances, insomnia and mild visual side effects," she explained. "It’s essential to go to a board ...

  9. Mom whose son was just diagnosed with autism in tears after best friend leaves messag…