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Detection of microplastics in human lung tissue using μFTIR spectroscopy 

By: Decomposed in 6TH POPE | Recommend this post (1)
Sun, 21 May 23 10:55 AM | 50 view(s)
Boardmark this board | 6th Edition Pope Board 		Msg. 42727 of 60008
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Here's something I hadn't read before. Note that this study's "results support inhalation as a route of MP exposure." The study doesn't stipulate the cause of the contaminants but the possibility that some of it is due to medical facemasks does exist. Most masks are made with microplastics including polypropylene.

But . . . while it's tempting to pounce and say "Aha!," there were other plastics found in people's lungs too, and surgical masks are but one source of polypropylene. It's commonly found in carpets, for instance. BUT . . . facemasks were pressed up against people's faces every day for three years. I have to wonder if there's a more ubiquitous, concentrated source of it than surgical masks.

The study is long and it would be difficult for me to post it due to embedded tables - so I'm just going to post a few highlights, a link to the study, some of its photos and a brief excerpt describing the microplastics that were found. Read the study if you want to know more.


http://www.sciencedirect.com/science/article/pii/S0048969722020009?via%3Dihub


Highlights

• Microplastics were identified in all regions of the human lungs using µFTIR analysis.

• Polypropylene and polyethylene terephthalate fibres were the most abundant.

• The results support inhalation as a route of MP exposure.

In total, 39 MPs were identified within 11 of the 13 lung tissue samples with an average of 1.42 ± 1.50 MP/g of tissue (expressed as 0.69 ± 0.84 MP/g after background subtraction adjustments). The MP levels within tissue samples were significantly higher than those identified within combined procedural/laboratory blanks (n = 9 MPs, with a mean ± SD of 0.53 ± 1.07, p = 0.001). Of the MPs detected, 12 polymer types were identified with polypropylene, PP (23%), polyethylene terephthalate, PET (18%) and resin (15%) the most abundant.




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Gold is $1,581/oz today. When it hits $2,000, it will be up 26.5%. Let's see how long that takes. - De 3/11/2013 - ANSWER: 7 Years, 5 Months

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