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cm0002@lemmy.world to Science@mander.xyz · 19 days ago

Cleaning plastic containers in a dishwasher is a source of microplastic pollution, study finds

phys.org

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Cleaning plastic containers in a dishwasher is a source of microplastic pollution, study finds

phys.org

cm0002@lemmy.world to Science@mander.xyz · 19 days ago
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  • Mouselemming@sh.itjust.works
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    19 days ago

    Betcha scrubbing them in the sink does too. It’s just harder to set up a controlled study.

    • seathru@lemmy.sdf.org
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      19 days ago

      Yeah I wish they would have done that. Would be interesting to see. Hand washed plastic containers are subjected to much more mechanical scrubbing action, but much less heat.

    • ProvableGecko@lemmy.world
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      19 days ago

      My dish sponge is plastic.¯_(ツ)_/¯

    • FooBarrington@lemmy.world
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      19 days ago

      Dishwashers usually wash hotter than you do in the sink & reuse the water, so I’d imagine they also produce more microplastic in the process.

      • Mouselemming@sh.itjust.works
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        19 days ago

        Hotter yes, but no plastic-on-plastic scrubbing. And not reusing the water wouldn’t change the amount of plastic, it would just be diluted in a larger amount of water. My guess would be, larger particles. But I can see why that would have to be its own, more complicated study. Because so many more variables.

        • FooBarrington@lemmy.world
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          19 days ago

          Do you know that water with microplastics doesn’t cause even more microplastics? Seems reasonable to me - the existing microplastic should be ground even finer, and also cause more microplastic to be ground off.

          • Mouselemming@sh.itjust.works
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            18 days ago

            Interesting thought, we’ll have to include it in our study. I posit that the microparticles from hand washing will be larger anyway, because method, and will include plastic from the scrubber as well as the containers.

            • FooBarrington@lemmy.world
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              18 days ago

              There’s a good chance! Really depends on the impact of temperature, though since we’re still waaaaay below the melting point of plastic, intuitively I’d agree with you.

              • Mouselemming@sh.itjust.works
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                18 days ago

                So where do we get our funding? I’m thinking about a billion, if we call it The Big Beautiful Golden Study, sponsored by plastic and dishwasher manufacturers.

                • FooBarrington@lemmy.world
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                  18 days ago

                  No no no, you have to think about it differently. Neither of those industries will want to sponsor something like this. Instead we have to go with their natural enemies - and was is the opposite of plastic (i.e. what is non-plastic)? Obviously concrete!

  • protist@mander.xyz
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    19 days ago

    Basically any situation where plastic is warmed is a source of microplastic contamination

    • Microplasticbrain@lemm.ee
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      19 days ago

      Basically any situation where plastic is ,warmed is a source of microplastic contamination

    • Wahots@pawb.social
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      19 days ago

      Probably mechanical abrasion too. Like car tires. Or your carpets/rug. Or your toothbrush. Or your nylon/sport/athlesure wear. Or soft, non-natural blankets, haha. I bet your furniture, too…

      • desktop_user [they/them] @lemmy.blahaj.zone
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        19 days ago

        wool carpets for the win.

    • Mouselemming@sh.itjust.works
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      19 days ago

      And yet somehow it lasts forever in a landfill.

      We can’t win.

      • 18107@aussie.zone
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        19 days ago

        Just wash your dishes in a landfill.

        • Dark Arc@social.packetloss.gg
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          15 days ago

          So that’s why Oscar is always hiding in the trash can grumbling!

    • Ledericas@lemm.ee
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      19 days ago

      water with cleaning chemicals probably leaches some out too.

  • Wahots@pawb.social
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    19 days ago

    And people are grossed out when they learn that people can have enough micro/nanoplastic in their brain to make a disposable plastic spoon (2g). :)

    • magiccupcake@lemmy.world
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      19 days ago

      It’s up to a credit card now (9g)

      Source

      • EySkibidiBabBab@feddit.dk
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        19 days ago

        When i die i want my brain plastic to be used for a warhammer figurine!

      • President Camacho@sh.itjust.works
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        18 days ago

        The methodology used to get that result is supposedly very questionable.

        I heard it here:

        Science Vs: Is There Really a Plastic Spoon in Our Brains?

        Not to minimize the impact of microplastics, but the credit card amount is probably way off.

        • magiccupcake@lemmy.world
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          18 days ago

          No offenses, but I’m gonna put a lot more weight behind a peer reviewed Nature paper, rather than some random podcaster.

          The explained their methodology pretty well. They extrapolate the microplastics amount from a small bit of cortical tissue, and compared it to previous results. Yeah there might not be as much in other parts of the brain, but we don’t have a reason to think it would be drastically different.

    • Match!!@pawb.social
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      18 days ago

      the microsplastic keep my brain smooth and flexible :3

      • Romkslrqusz@lemm.ee
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        18 days ago

        Neuroplasticity

      • Wahots@pawb.social
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        16 days ago

        This made me chuckle

  • photonic_sorcerer@lemmy.dbzer0.com
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    19 days ago

    The overall plastic mass equated to about 6 milligrams per person per year, or about a quarter of the weight of a grain of rice

    • Bigfishbest@lemmy.world
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      18 days ago

      Multiply by nr of persons and years…

      • ilega_dh@feddit.nl
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        18 days ago

        Yes, that is what “per person per year” means

  • Etterra@discuss.online
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    18 days ago

    Well I don’t want my Vitamin P to be covered in bacteria.

  • timeghost@lemmy.world
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    18 days ago

    Plastic is poison.

  • 11111one11111@lemmy.world
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    19 days ago

    Contaminating what? My septic tank that gets emptied every 10 years?

    • swampdownloader@lemmy.dbzer0.com
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      19 days ago

      Where do you think the truck that empties your tank goes?

      • 11111one11111@lemmy.world
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        19 days ago

        No clue. Guess thats what im asking.

        • swampdownloader@lemmy.dbzer0.com
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          18 days ago

          They haul it and dispose of it in the sewer.

    • x00z@lemmy.world
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      19 days ago

      It goes with the water that leaves your septic tank.

      A septic tank is only meant to separate the water from oils and sludge.

      • 11111one11111@lemmy.world
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        19 days ago

        Really? So all my piss goes right thru and into my yard? If it filters out and stores solids wouldn’t it also catch the microplastics too?

        • x00z@lemmy.world
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          18 days ago

          Depends on where you live. Mine goes trough the septic tank towards the sewer. A lot of houses also just go directly to the sewers.

          And no, many microplastics are too lightweight to settle with the solids.

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