• @iAvicenna
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    1821 days ago

    0.5% plastic, wtf? isnt brain blood barrier selective enough to filter microplastics?

      • @iAvicenna
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        621 days ago

        I mean BBB filter threshold is anywhere from 2.3 to 50 nm depending on pressure. Even though microplastics can get down to 1nm that is like an outlier. So in a situation where virtually almost all of microplastics must be filtered out, how does one get such a huge percentage as 0.1%?