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Nanoplastic should be better understood
Summary
Nanoplastics—plastic particles smaller than 1 micrometer—are an emerging environmental concern, but fundamental questions about their behavior, persistence, and toxicity remain unanswered. Resolving these unknowns is critical because nanoplastics may pose greater biological risks than larger microplastics due to their ability to penetrate cells and tissues more easily.
Plastic nanoparticles raise concern because of their potential impact on the environment. However, many questions need to be answered to establish how dangerous they really are.