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61,005 resultsShowing papers similar to Environmental efficacy of polyethylene microplastics: Enhancing the solidification of CuO nanoparticles and reducing the physiological toxicity to peanuts
ClearCo-exposure of maize to polyethylene microplastics and ZnO nanoparticles: Impact on growth, fate, and interaction
Researchers studied the combined effects of polyethylene microplastics and zinc oxide nanoparticles on maize growth in a pot experiment. The study found that co-exposure altered plant growth, the fate of nanoparticles in the soil-plant system, and the interaction between these two common agricultural contaminants, suggesting that microplastics can influence how other pollutants behave in crop production.
Mitigating potential of polystyrene microplastics on bioavailability, uptake, and toxicity of copper in maize (Zea mays L.)
This study found that polystyrene microplastics in soil actually reduced copper toxicity in maize plants by binding to the copper and making it less available for plant uptake. While this might seem beneficial, it means microplastics are changing how nutrients and metals move through agricultural soil in unpredictable ways. The findings highlight that microplastic contamination in farmland can alter the chemistry of soil in complex ways that affect crop nutrition and food safety.
Polystyrene microplastics protect lettuce (Lactuca sativa) from the hazardous effects of Cu(OH)2 nanopesticides
Polystyrene microplastics were found to partially protect lettuce from the phytotoxic effects of copper hydroxide nanowire nanopesticides, likely by adsorbing copper ions and reducing their bioavailability in the rhizosphere. The interaction illustrates how microplastics in agricultural soils can modify the fate and toxicity of co-applied agrochemicals.
Translocation and chronic effects of microplastics on pea plants (Pisum sativum) in copper-contaminated soil
Researchers studied how polystyrene nanoplastics affect pea plants grown in copper-contaminated soil over a full growing season. They found that the combination of nanoplastics and copper reduced crop yield, impaired nutritional quality, and that nanoplastic particles were taken up and transported throughout the plant tissues. The study suggests that microplastic contamination in polluted agricultural soils may compound existing threats to crop productivity and food safety.
Understanding the Role of Low-Dose Polystyrene Microplastic in Copper Toxicity to Rice Seed (Oryza sativa L.)
This study explored how polystyrene microplastics interact with copper toxicity in rice seeds. Researchers found that microplastics actually reduced copper's harmful effects by physically accumulating on seed coats and blocking copper absorption, lowering the amount of copper taken up by seedlings by about 34%. The findings highlight how microplastics can alter the way other environmental contaminants affect plants.
Combined Exposure to Polyethylene Microplastics and Copper Affects Growth and Antioxidant Responses in Rice Seedlings
Researchers exposed rice seedlings to polyethylene microplastics and copper both individually and in combination and found that microplastics significantly enhanced copper uptake, increasing accumulation by about 25% compared to copper alone. While microplastics alone had minimal effects on growth, the combined exposure intensified oxidative stress in roots and altered antioxidant defense responses. The study demonstrates that microplastics can increase the bioavailability and toxicity of heavy metals in agricultural crop systems.
The Effects of Polystyrene Microplastics and Copper Ion Co-Contamination on the Growth of Rice Seedlings
Researchers studied how polystyrene microplastics and copper ions interact when both are present in the water supply of rice seedlings. They found that microplastics actually reduced copper toxicity by absorbing the metal ions, but both pollutants weakened the plant's antioxidant defenses. The study suggests that microplastics and heavy metals interact in complex ways in agricultural systems, with implications for crop health and food safety.
Polypropylene Microplastics Bidirectionally Modulate Copper Toxicity in Jasminum sambac by Rewiring Glutathione and Porphyrin‐Photosynthetic Networks
Researchers exposed jasmine plants to copper-spiked soil with varying levels of polypropylene microplastics and observed a non-linear, dose-dependent effect on copper toxicity. At intermediate microplastic levels, the plants showed reduced copper uptake and improved photosynthesis through coordinated adjustments in antioxidant and chlorophyll pathways. However, at higher microplastic concentrations, this protective effect disappeared as antioxidant defenses collapsed, suggesting microplastics can both buffer and worsen metal toxicity in soils depending on the dose.
Antidote or Trojan horse for submerged macrophytes: Role of microplastics in copper toxicity in aquatic environments
Researchers investigated whether polyethylene microplastics act as an antidote or a Trojan horse for copper toxicity to submerged aquatic plants. The study found that microplastics reduced dissolved copper concentrations through adsorption but could then release copper-loaded particles that were taken up by plants. The results suggest that microplastics may initially reduce copper toxicity in water but ultimately serve as carriers that deliver copper directly into plant tissues.
Mitigated toxicity of polystyrene nanoplastics in combination exposure with copper ions by transformation into copper (I) oxide: Inhibits the oxidative potential of nanoplastics
Researchers investigated how combining polystyrene nanoplastics with copper ions affects toxicity in laboratory and animal models. They found that when copper interacted with the nanoplastics, it transformed into copper oxide, which actually reduced the overall toxicity by inhibiting the oxidative potential of the plastic particles. The study provides evidence that the combined environmental behavior of nanoplastics and metals can produce unexpected toxicological outcomes.
Polystyrene nanoplastics alleviate the toxicity of CuO nanoparticles to the marine algae Platymonas helgolandica var. tsingtaoensis
Polystyrene nanoplastics were found to alleviate the toxicity of copper oxide nanoparticles to the marine microalga Chlorella vulgaris, likely by adsorbing copper ions onto their surface and reducing bioavailability. The antagonistic interaction highlights how co-occurring nanomaterials can unexpectedly modify each other's environmental toxicity.
Effects of Polypropylene Microplastics and Copper Contamination on Rice Seedling Growth
Researchers studied how polypropylene microplastics and copper contamination individually and jointly affect rice seedling growth in hydroponic conditions. The study found that microplastics alone slightly promoted growth, while copper inhibited it, and the combination reduced copper accumulation in seedlings compared to copper alone, suggesting complex interactions between these pollutants in agricultural settings.
Combined Effects of Polyethylene and Bordeaux Mixture on the Soil–Plant System: Phytotoxicity, Copper Accumulation and Changes in Microbial Abundance
Researchers studied the combined effects of polyethylene microplastics and Bordeaux mixture (a copper-based fungicide) on lettuce growth and soil microbes over 28 days. They found that copper treatments affected root and shoot growth, while microplastics alone showed limited effects and may have reduced copper bioavailability. The study suggests that the interaction between agricultural plastics and agrochemical residues creates complex, sometimes offsetting effects on soil-plant systems.
Effect of polyethylene particles on dibutyl phthalate toxicity in lettuce (Lactuca sativa L.).
Polyethylene microplastic fragments in soil reduced the uptake of the plasticizer chemical dibutyl phthalate (DBP) into lettuce roots but worsened its inhibitory effects on root growth. The complex interactions between microplastics and co-occurring chemical contaminants like phthalates can alter toxicity in unexpected ways, affecting both plant growth and the safety of food crops.
Morphological, physiological, and molecular responses of Perilla frutescens to copper stress alleviated by PVC microplastics
Researchers discovered that low concentrations of PVC microplastics can actually reduce the harmful effects of copper on perilla plants, an important crop. The microplastics appeared to help by improving cell membrane function, suppressing stress hormones, and adjusting fat metabolism pathways. While this does not mean microplastics are beneficial overall, the study reveals surprisingly complex interactions between plastic pollution and heavy metals in agricultural environments.
Coupling polyethylene microplastics with other pollutants: Exploring their combined effects on plant health and technologies for mitigating toxicity
This review summarizes how polyethylene microplastics interact with other common soil pollutants like heavy metals and antibiotics in agricultural fields. Microplastics can absorb these pollutants and carry them into plants, making the combined exposure more harmful than either pollutant alone. The findings raise concerns about the safety of crops grown in microplastic-contaminated soil.
Effects of microplastic type on growth and physiology of soil crops: Implications for farmland yield and food quality
Researchers tested how two common types of microplastics (polypropylene and polyester) affect corn, soybean, and peanut crops grown in real farm conditions. The effects varied by crop and plastic type, with polypropylene generally reducing peanut growth while polyester had milder impacts. These findings suggest that microplastic contamination in agricultural soil could affect crop yields and food quality in ways that depend on which plastics are present.
Combined effects of micro/nanoplastics and ZnO nanoparticles on lactuca sativa seedlings under varied lighting
Researchers studied how polystyrene micro- and nanoplastics interact with zinc oxide nanoparticles to affect lettuce seed germination and early growth under different lighting conditions. They found that when the plastics were present alongside zinc oxide, the combined toxic effects were actually reduced compared to exposure to either contaminant alone. The study suggests that microplastics can alter how other engineered nanoparticles behave in agricultural settings, with lighting conditions playing an additional role.
Effects of polyethylene microplastics and heavy metals on soil-plant microbial dynamics
This study examined how polyethylene microplastics interact with heavy metals in soil and found that microplastics significantly reduced plant growth while altering soil enzyme activity and microbial communities. The combination of microplastics and heavy metals disrupted nutrient cycling in the soil in ways that were different from either pollutant alone. These findings suggest that microplastic contamination in agricultural soil could affect crop nutrition and food production.
Micro-polyethylene particles reduce the toxicity of nano zinc oxide in marine microalgae by adsorption
Researchers discovered that polyethylene microplastic particles reduced the toxicity of zinc oxide nanoparticles to marine microalgae by adsorbing the nanoparticles onto their surface, revealing that microplastics can modify the bioavailability of co-occurring contaminants.
Microplastics reduce nitrogen uptake in peanut plants by damaging root cells and impairing soil nitrogen cycling
Researchers found that microplastics reduce nitrogen uptake in peanut plants by damaging root cells and impairing soil nitrogen cycling, with polypropylene and rubber crumb particles at high concentrations inhibiting plant growth and disrupting the soil-plant nitrogen system.
Effects of Co-Contamination of Microplastics and Cd on Plant Growth and Cd Accumulation
Researchers investigated how two types of microplastics, high-density polyethylene and polystyrene, at various concentrations affect cadmium uptake and toxicity in maize plants grown in agricultural soil. The study found that while polyethylene alone had no significant effect, polystyrene at higher doses altered cadmium accumulation patterns, suggesting that different plastic types may interact differently with heavy metals in soil.
Ameliorating arsenic and PVC microplastic stress in barley (Hordeum vulgare L.) using copper oxide nanoparticles: an environmental bioremediation approach
Researchers studied the combined stress of PVC microplastics and arsenic on barley plants, along with the potential mitigating effect of copper oxide nanoparticles. They found that increasing levels of microplastics and arsenic significantly reduced plant growth, photosynthesis, and biomass while increasing oxidative stress markers. Application of copper oxide nanoparticles substantially improved plant health by boosting antioxidant defenses and reducing oxidative damage.
The synergy of microplastics with the heavy metal zinc has resulted in reducing the toxic effects of zinc on lentil (Lens culinaris) seed germination and seedling growth
Researchers investigated how polyethylene microplastics interact with zinc heavy metal contamination in lentil seed germination experiments. Unexpectedly, they found that the presence of microplastics actually reduced zinc toxicity to the plants, likely because the microplastics bound to zinc ions in solution and limited plant uptake. The study suggests that microplastic-metal interactions in agricultural soils may be more complex than simple additive toxicity.