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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Human Health Effects Nanoplastics Remediation Sign in to save

Ultraviolet-induced photodegradation elevated the toxicity of polystyrene nanoplastics on human lung epithelial A549 cells

Environmental Science Nano 2021 50 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 55 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Qingying Shi, Qingying Shi, Qingying Shi, Qingying Shi, Qingying Shi, Qingying Shi, Qingying Shi, Qingying Shi, Qingying Shi, Qingying Shi, Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Qingying Shi, Qingying Shi, Jingchun Tang Jingchun Tang Rutao Liu, Jingchun Tang Jingchun Tang Jingchun Tang Rutao Liu, Jingchun Tang Xiaomei Liu, Jingchun Tang Jingchun Tang Rutao Liu, Jingchun Tang Jingchun Tang Jingchun Tang Rutao Liu, Jingchun Tang Jingchun Tang Jingchun Tang Qingying Shi, Qingying Shi, Rutao Liu, Rutao Liu, Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Rutao Liu, Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang Jingchun Tang

Summary

Researchers found that UV-induced photodegradation significantly increased the toxicity of polystyrene nanoplastics on human lung epithelial cells. The degraded nanoplastics caused greater cell death, stronger oxidative stress, more severe membrane damage, and intensive mitochondrial dysfunction compared to non-degraded particles, suggesting that weathered nanoplastics in the environment may pose greater health risks than pristine ones.

Polymers
PS
Body Systems
Respiratory

UV-induced photodegradation posed greater cytotoxicity, as clearly evidenced by the impaired cell viability, stronger oxidative stress, serious membrane damage, intensive mitochondrial dysfunction, and the altered transcriptome responses.

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