Molecular mechanism differences between nanoplastics and microplastics in colon toxicity: nanoplastics induce ferroptosis mediated immunogenic cell death, while microplastics cause cell metabolic reprogramming Journal of Nanobiotechnology Springer Microplastic sources, formation, toxicity and remediation: a review Environmental Chemistry Letters Springer Nature Link Frontiers Polystyrene microplastics exposition on human placental explants induces time dependent cytotoxicity, oxidative stress and metabolic alterations Frontiers Microplastics and human health: unveiling the gut microbiome disruption and chronic disease risks