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air filter Coronavirus

The Humidity in Your Mask is Helping to Protect You Against Covid-19

Mar, 18 , 21 - Stacey Malo
Those that wore masks had 60% higher rates of asymptomatic infection. That means that mask wearing decreased the severity of Covid-19 if the mask wearer is infected. The masks first line of defense is against droplets shared amongst humans in close proximity. The second line of defense is the buildup of humidity that causes mucus and aids the cilia (really tiny hairs) to be bathed in moisture. This combo of mucus, cilia, and moisture helps to trap viruses and transfer them to the stomach where they are destroyed, rather than letting them embed into the respiratory system. 
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air filter air pollution

Let's Talk About Air Pollution on the Subway

Mar, 07 , 21 - Stacey Malo

Hey New Yorkers (and everyone else in an urban area), let's talk about your health and the hours you spend weekly, even daily, taking mass transit. Besides the lugging of a laptop, lunch, bottled water, and gym clothes, what's that commute doing to your body?Air pollution on the subway is...

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face mask filter filter

What's the Deal with those PM2.5 Filters?

Jul, 28 , 20 - Stacey Malo

I wish those filters would be banned from the marketplace. They give people a false sense of security and therefore may put more people more at risk. 

They are not certified by a lab. A Chinese manufacturer used a stamp on this cut material, but there is zero lab certification of these products or the packaging. It's all a sham. 

There is zero regulation of this stuff in China. Who knows what's in this product and what the effect is. No one is regulating. Don't trust it. 

Activated carbon works to filter microparticles. There is not enough activated carbon in these filter products to actually be of any benefit. Again, there's no lab certification or ingredients list on these things. Fraud. 

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air filter air filtration

How Nano-Fibers Work for Air Filtration

May, 30 , 20 - Stacey Malo
Particulate matter at .3 microns is the most difficult to capture. The COVID-19 virus, at roughly .01 microns, is easier to capture due to electrostatic charge or Browning Diffusion (see first graphic above) than the larger particle. Air filtration (such as N95 and N99) is measured against the percentage to capture .3 microns. For instance, an N95 face mask is 95% effective in capturing .3 microns. Capturing this exact particle size is the gold standard of mask filtration. Larger than .3 and smaller than .3 microns are less worrisome as there is an even higher capacity to capture those sized microns (including a virus at .1 microns). The main benefit of electrospun nano-fiber filtration is the high efficiency of filtration with low pressure drop (breathing resistance). An effective product, comfortable to wear.
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