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JOURNAL OF HAZARDOUS MATERIALS
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Li Chen et al.
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Xiaofeng Jiang et al.
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Imran Azeem et al.
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Zhiqin Zhang et al.
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SCIENCE OF THE TOTAL ENVIRONMENT
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Yihan Chi et al.
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Jinrui Zhang et al.
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Meng Zhao et al.
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SCIENCE OF THE TOTAL ENVIRONMENT
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Jingyu Tao et al.
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AGRICULTURE ECOSYSTEMS & ENVIRONMENT
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Danlian Huang et al.
Summary: This study reveals the intrinsic effects of microplastics on the removal efficiency of heavy metal cadmium and explores the mechanisms of polystyrene microplastics entering plant roots.
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Gui-Li Yang et al.
Summary: The combined contamination of heavy metals and microplastics is widespread in freshwater environments. This study investigated the effects of single and combined stress of cadmium (Cd), polyethylene, and polypropylene on duckweed. The results showed that the combined stress reduced the toxicity of heavy metals to duckweed and improved the diversity and abundance of microbial communities in the rhizosphere.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2022)
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Fayuan Wang et al.
Summary: This paper examines the impacts of microplastics on terrestrial plants, focusing on the adsorption and accumulation of microplastics in plant seeds and roots, as well as its effects on plant growth and metabolism. The study finds that the phytotoxicity of microplastics depends on their properties, plant tolerance, and exposure conditions. The accumulation of microplastics may also affect crop productivity, food safety, and quality, posing potential health risks.
RESOURCES CONSERVATION AND RECYCLING
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Hua Wang et al.
Summary: This study investigated the combined adsorption/desorption of antibiotics and heavy metals on aged microplastics. The results showed that the specific surface area of aged microplastics increased, and the adsorption capacities of antibiotics and heavy metals were higher on aged microplastics compared to pristine microplastics. The adsorption of antibiotics on microplastics was minimally affected by heavy metals, while heavy metal adsorption was slightly enhanced by antibiotics at pH 8.0. The adsorption capacities of antibiotics and heavy metals reached their maximum at pH 5.0 or 6.0 and decreased thereafter, with the highest level of heavy metal adsorption at approximately pH 6.0. The desorption rates of antibiotics and heavy metals were lower from aged microplastics compared to pristine microplastics.
SCIENCE OF THE TOTAL ENVIRONMENT
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Pengke Yan et al.
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Taoufik El Rasafi et al.
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CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
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Xiaosong Tian et al.
Summary: Biochar application in co-contaminated soils can simultaneously reduce the bioavailability of cadmium and arsenic, decreasing the uptake of these heavy metals by plants. Critical factors for the effectiveness include the type of biochar, pyrolysis temperature, application rate, and soil organic carbon content.
SCIENCE OF THE TOTAL ENVIRONMENT
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Andrew J. Curtright et al.
Summary: Intercropping has been found to increase enzyme activities, leading to enhanced productivity of agroecosystems. The effects vary depending on factors such as plant type, soil nutrient status, and environmental conditions. Future research should focus on regional variations in North America and Europe, as well as identifying specific drivers of microbial response to increased plant diversity.
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Zhanming Li et al.
Summary: This study provides a comprehensive overview of the fate of Cd in paddy fields and its transport from soil to grains, contributing to a better understanding of the environmental hazards of Cd in rice ecosystems. The summarized findings may help develop innovative methods for controlling Cd accumulation in rice grains.
ENVIRONMENT INTERNATIONAL
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Xing Gao et al.
Summary: This review comprehensively summarized the adsorption behaviors of common heavy metals by reported microplastics, analyzed the key factors influencing this adsorption behavior, and proposed suggestions for future research and environmental implications.
JOURNAL OF CLEANER PRODUCTION
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Tauan Rimoldi Tavanti et al.
Summary: Reactive oxygen species (ROS) act as signaling of abiotic stresses at low concentrations but cause oxidation and cell death at high concentrations. Plants develop antioxidant defense mechanisms to maintain homeostasis. Micronutrient fertilizers can activate antioxidative enzymes and metabolism, improving plant tolerance to oxidative stress and overall nutritional status.
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Alin Song et al.
Summary: In this study, black bone (BB), biochar (BC), silicon fertilizer (SI), and leaf fertilizer (LF) were evaluated for their effects on decreasing soil cadmium (Cd) availability and uptake in wheat plants grown in Cd-contaminated soils. Results showed that all amendments significantly reduced soil Cd bioavailability and plant Cd uptake, leading to improved wheat growth and yield. Significant effects were observed with SI showing the highest decrease in both soil Cd bioavailability and plant Cd uptake, likely due to alterations in soil microbial community and bioavailable silicon.
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Fernando G. Torres et al.
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SCIENCE OF THE TOTAL ENVIRONMENT
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Houssou Assa Albert et al.
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