Micro and Nano Plastics – Research Efforts Summarized

The abstract of a May 27, 2022 ACS Chemical and Engineering News Story https://cen.acs.org/biological-chemistry/toxicology/Microplastics-health-risk-toxicology-particle-characterization-nanomaterials/100/i19 reports that “... Tiny plastic particles less than 5 mm in diameter are popping up nearly everywhere scientists look. They are in water, food, and air, as well as in human blood, lung tissue, and stool. But it is unclear whether micro- and nanosized plastics pose any risks to human health or the environment. Researchers are starting to investigate sources of microplastics. They are also exploring how the particles affect human cells in test systems that mimic digestion and inhalation. But microplastics are complex mixtures with different shapes, sizes, and chemistries, making them difficult to study. Because of limited exposure data, regulators are struggling to understand the risks. The situation is reminiscent of the challenges faced by researchers studying the toxicology of engineered nanomaterials more than a decade ago. Lessons learned from nanotoxicology could help pave a better path to assess the risks of microplastics …” #PlasticWaste #SingleUsePlastic #MicroPlastics #NanoPlastics @cenmag