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Original research — experimental, observational, or case-control study. Direct primary evidence.
Human Health Effects
Nanoplastics
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Do polystyrene nanoplastics affect the toxicity of cadmium to wheat (Triticum aestivum L.)?
Environmental Pollution2020
266 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 55
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Jiani Wu,
Jiapan Lian,
Aurang Zeb,
Jiapan Lian,
Aurang Zeb,
Jiani Wu,
Jiapan Lian,
Jiapan Lian,
Aurang Zeb,
Aurang Zeb,
Aurang Zeb,
Jiapan Lian,
Weitao Liu
Weitao Liu
Weitao Liu
Weitao Liu
Weitao Liu
Jingchun Tang,
Jiapan Lian,
Jingchun Tang,
Weitao Liu
Jingchun Tang,
Weitao Liu
Weitao Liu
Jingchun Tang,
Jingchun Tang,
Aurang Zeb,
Jiani Wu,
Weitao Liu
Jiani Wu,
Jingchun Tang,
Jingchun Tang,
Weitao Liu
Weitao Liu
Weitao Liu
Jiani Wu,
Weitao Liu
Weitao Liu
Weitao Liu
Jiani Wu,
Weitao Liu
Jiani Wu,
Weitao Liu
Weitao Liu
Weitao Liu
Weitao Liu
Weitao Liu
Weitao Liu
Aurang Zeb,
Aurang Zeb,
Weitao Liu
Aurang Zeb,
Aurang Zeb,
Aurang Zeb,
Weitao Liu
Aurang Zeb,
Jingchun Tang,
Weitao Liu
Weitao Liu
Aurang Zeb,
Weitao Liu
Weitao Liu
Weitao Liu
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Weitao Liu
Jingchun Tang,
Weitao Liu
Weitao Liu
Jingchun Tang,
Aurang Zeb,
Jingchun Tang,
Aurang Zeb,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Aurang Zeb,
Aurang Zeb,
Aurang Zeb,
Jingchun Tang,
Aurang Zeb,
Jiapan Lian,
Jiani Wu,
Aurang Zeb,
Aurang Zeb,
Shunan Zheng,
Aurang Zeb,
Jiapan Lian,
Jiani Wu,
Jiani Wu,
Shunan Zheng,
Jiapan Lian,
Jiani Wu,
Weitao Liu
Jingchun Tang,
Aurang Zeb,
Aurang Zeb,
Jiani Wu,
Ting Ma,
Aurang Zeb,
Aurang Zeb,
Aurang Zeb,
Jiapan Lian,
Jingchun Tang,
Jingchun Tang,
Jiani Wu,
Jingchun Tang,
Jingchun Tang,
Jiapan Lian,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jiapan Lian,
Weitao Liu
Feihu Peng,
Aurang Zeb,
Aurang Zeb,
Aurang Zeb,
Aurang Zeb,
Weitao Liu
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Jiapan Lian,
Feihu Peng,
Jiapan Lian,
Aurang Zeb,
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Weitao Liu
Aurang Zeb,
Jiapan Lian,
Shunan Zheng,
Weitao Liu
Weitao Liu
Weitao Liu
Weitao Liu
Shunan Zheng,
Jingchun Tang,
Jiapan Lian,
Weitao Liu
Jingchun Tang,
Jingchun Tang,
Jingchun Tang,
Weitao Liu
Weitao Liu
Jingchun Tang,
Weitao Liu
Summary
Researchers investigated whether polystyrene nanoplastics affect the toxicity of cadmium to wheat plants. The study found that nanoplastics could alter how cadmium interacts with wheat, potentially modifying the uptake and toxic effects of the heavy metal, suggesting that the co-occurrence of nanoplastics and heavy metals in agricultural soils may create complex interactions affecting crop health.
There has been an increase on the research of microplastics (<5 mm in diameter) as carriers for toxic chemicals to evaluate their risks for human health and environment, but only few works focused on nanoplastics (1 nm-1000 nm in diameter) interacting with pre-existing contaminants such as heavy metals. It is still unclear whether polystyrene nanoplastics (PSNPs) could affect the toxicity of cadmium to wheat (Triticum aestivum L.). Here, we assessed the impact of polystyrene nanoplastics (0, 10 mg/L) on the Cd (0, 20 μM) toxicity to wheat grown in 25% Hoagland solution for three weeks. We found that the presence of PSNPs could partially reduce Cd contents in leaves and alleviate Cd toxicity to wheat, which might be due to weakened adsorption capacity of PSNPs affected by ionic strength. In addition, PSNPs have little effect on catalase (CAT), peroxidase (POD) activities, except for decreasing superoxide dismutase (SOD) activity, which suggested that antioxidant defense systems might not be the main mechanism to reduce the oxidative damage induced by Cd in wheat. Electron paramagnetic resonance (EPR) analysis showed that PSNPs could accelerate the formation of long-lived radicals in leaves after exposure to Cd. Notably, our metabolomics profiling further indicated that the simultaneously elevated carbohydrate and amino acid metabolisms induced by PSNPs could partly alleviate Cd toxicity to wheat. Nevertheless, the present study provides important implications for the toxicological interaction and future risk assessment of co-contamination of nanoplastics and heavy metals in the environment.