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polystyrene

June 20, 2024

Chronic PS nanoplastics exposure found to impact mitochondrial health, impairing cell metabolism

New study examines long-term effects of polystyrene (PS) nanoplastics on mitochondrial health under realistic exposure conditions; repeated exposure to PS nanoplastics impaired mitochondrial function and cell differentiation process, possibly linked to metabolic disorders, such as diabetes and obesity; other recent studies found that PS micro- and nanoplastics negatively affect immune function, pregnancy outcomes, and gut health in various models
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Reading time: 3 minutes

June 17, 2024

Study finds microplastics impact colon cancer cells, could increase metastasis

Study of colon cancer cell lines finds polystyrene micro and nanoplastic particles (MNPs) can be absorbed into cancerous cells in experimental settings; the more aggressive cell line absorbed the most MNPs and presence of MNPs increased cell movement; evidence of persistence and bioaccumulation; authors argue MNPs fit criteria as substance of concern under REACH
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Reading time: 3 minutes

May 9, 2023

Oregon passes bills to reduce plastic pollution, PFAS

US state of Oregon passes bill to reduce plastic, ban PFAS in food packaging, and to amend health regulations around reusables; SB 543 phases out polystyrene foam dishware, packing peanuts, and coolers, also prohibits the use of PFAS in food packaging; SB 545 will make it easier for restaurants to offer reusable containers to customers
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Reading time: 0 minutes

May 18, 2021

Washington State passes comprehensive plastics legislation

Governor for US state of Washington signs Senate Bill 5022; bans expanded polystyrene foam takeaway containers by June 2024; beginning January 1, 2022 all single-use service ware only given to customers upon request; adds minimum recycled content requirement to many plastic containers and trash bags; no longer requires triangular arrow recycle symbol on hard plastic products
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Reading time: 1 minute
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