Acute Toxicity of Tire Wear Particles and Leachate to Daphnia Magna

Toxicity Effects of Microplastics and Tire Particles on Daphnia magna

Tire Wear Particles' Environmental Distribution and Potential Threats to Human Health

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Researchers reviewed the environmental distribution and health hazard profile of tire wear particles, highlighting that their complex rubber-carbon black-additive matrix—particularly the chemical 6PPD-quinone, which is acutely lethal to coho salmon below 1 µg/L—distinguishes them toxicologically from conventional microplastics and demands specialized monitoring and risk assessment frameworks.

The Potential Concentration-Dependent Effects of Tire Microplastics on the Earthworm Eisenia fetida

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Researchers exposing earthworms (Eisenia fetida) to tire-derived microplastics at four concentrations found significant increases in antioxidant enzyme activity — including catalase, superoxide dismutase, and glutathione peroxidase — indicating oxidative stress and immune system activation at environmentally relevant exposure levels.

Toxic effects of tire wear particle leachate on benthic fish Misgurnus anguillicaudatus: An integrated assessment of immunosuppression, metabolic disruption, and microbiome dysbiosis across concentration gradients

Trophic Transfer impact of combined Microplastics and Tire particles in three-species freshwater food chain

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Scientists studied how tiny plastic bits and tire particles (both common pollutants that wash into lakes and rivers) move up the food chain, from tiny organisms to small fish to bigger fish. The findings suggest these particles don't just disappear in the water; they can build up and pass from one animal to the next, meaning the fish we eventually eat may carry these pollutants too. This matters because it hints at a hidden pathway for plastic pollution to reach our dinner plates, though more research is needed to know exactly how this affects human health.