Researchers analyzed microplastics presence in drinking waters; report 7 out of 9 best-selling bottled mineral waters in France contain microplastics; find widespread microplastics contamination of free drinking water refill kiosks across Mexico City
July 18, 2022
Microplastics detected in human breastmilk and mice fetal thalamus
Two studies assess fetal and infant exposure to plastic particles and impacts on mouse fetuses; detect microplastics in 26 out of 34 human breastmilk samples; report polystyrene particles negatively impact mouse fetuses
July 14, 2022
What knowledge is missing to derive a microplastic threshold value?
Microplastic experts review mammalian in vivo effect studies and develop non-regulatory health-based screening level value for microplastics in drinking water; scientists provide research recommendations to better understand microplastic toxicity, effect levels, and potential health risks to humans and aquatic ecosystems; review discusses nanoplastics’ role in food allergy
July 5, 2022
Scientists evaluate inhaled microplastics
Report microplastics occur in lower airways of European citizens with the majority being fibers; evaluate microplastics indoor and outdoor exposure sources; work out established particle domains and paradigms can help predict toxicity of inhaled microplastic particles
June 21, 2022
Microplastic effects on colon cells, blood lymphocytes, and gut-liver axis
Two in vitro studies analyze plastic particle effects using human cells; find polystyrene (PS) particles change metabolism of human colon cells similar to a carcinogen; PS nanoplastics may have cytotoxic and genotoxic potential on human blood lymphocytes; mouse study indicates microplastics increase risk of insulin resistance; researchers calculate particle ingestion from takeaway containers
June 13, 2022
ToMEx – An open access tool to explore microplastic toxicity
Microplastic experts publish Toxicity of Microplastics Explorer (ToMEx), a living database to quickly upload, assess, analyze, and visualize, microplastic toxicity data; aims to inform microplastic research and regulatory decisions on plastic pollution
May 9, 2022
Third meeting of Swiss microplastics researchers
Scientists present and discuss ongoing projects and findings on microplastics; includes research focuses on environmental abundance and health
April 28, 2022
Measuring plastic particles released from food packaging and in human lungs
Scientists investigate plastic particles released from store-bought food packaging as well as human and mice health impacts of exposure; report single-use plastic products release >1012 nano-sized particles during use; find microplastics to suppress lysosomal activity in mouse macrophages; first detection of microplastics within human lung tissue samples; in vitro neurotoxicity study finds microplastics negatively impact human forebrain organoid development
April 11, 2022
Scientists emphasize importance for LCAs to consider plastic particle impacts
Review provides understanding of how knowledge gaps on long-term plastic particle fate affect life-cycle assessments (LCAs) and distort policy decisions; exemplifies discussion comparing a fossil-based with a biodegradable plastic; highlights importance of covering plastic particle impacts and its unknowns transparently in LCAs to allow reliable material comparisons and responsible decision making
April 6, 2022
Microplastics measured in human blood and mouse brains
First human biomonitoring study encounters plastic particles of four different polymer types in human blood; in vivo study reports polystyrene nanoparticles pass blood-brain barrier and induce neurotoxicity in mice; review summarizes plastic particle and titanium dioxide impacts on human gut epithelial integrity, gut homeostasis, and intestinal inflammation
