We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to Palladium-doped and undoped polystyrene nanoplastics in a chronic toxicity test for higher plants: Impact on soil, plants and ammonium oxidizing bacteria
ClearEffects of different sizes of polystyrene micro(nano)plastics on soil microbial communities.
This study tested how polystyrene micro- and nanoplastic particles of three sizes affect soil microbial communities and nutrient cycling, finding that smaller particles caused greater disruption to nitrogen cycling and microbial activity. The results suggest that as plastics in soil fragment into smaller pieces over time, their impact on soil biology and fertility may worsen.
Micro(nano)plastic pollution in terrestrial ecosystem: emphasis on impacts of polystyrene on soil biota, plants, animals, and humans
Polystyrene micro- and nanoplastics can bioaccumulate through the food chain from soil organisms to plants to animals, raising human health concerns through food consumption. Agricultural soils showed significant contamination, with PS particles causing documented toxic effects on soil biota, plant uptake and growth, and animal health.
Exposure to polystyrene nanoplastics reduces bacterial and fungal biomass in microfabricated soil models
Researchers used micro-engineered soil models to study how polystyrene nanoplastics affect soil bacteria and fungi. They found that nanoplastic exposure reduced both bacterial and fungal biomass, with bacteria showing a linear dose-dependent decline and fungi being affected even at the lowest concentrations. The study suggests that nanoplastic pollution in soil may suppress the microbial communities essential for healthy soil function.
Two plant-growth-promoting Bacillus species can utilize nanoplastics
Researchers discovered that two species of Bacillus bacteria, commonly used to promote plant growth in agriculture, can break down polystyrene nanoplastics by oxidizing them. While high doses of nanoplastics initially harmed the bacteria, both species recovered and grew normally over time. The findings point to a potential biological approach for cleaning up nanoplastic pollution in agricultural soils.
Uptake of polystyrene nanospheres by wheat and Arabidopsis roots in agar, hydroponics, and soil
Researchers studied the uptake of polystyrene nanoplastic particles by wheat and Arabidopsis roots across three growing systems: agar, hydroponics, and soil. The study found that plant roots can absorb nanoplastic particles, raising concerns about food chain contamination. The findings suggest that nanoplastics in agricultural soils may enter food crops and ultimately reach human consumers.
The Effect of Applying Model Nanoplastic Particles to Soil on the Composition of Its Microbial Community
Researchers conducted a one-month laboratory incubation experiment applying 0.55 µm polystyrene latex nanoplastics to soil to investigate effects on microbial community composition, finding that nanoplastic contamination altered soil microorganism diversity and activity in ways dependent on soil physicochemical properties and nanoplastic concentration.
Growth reduction of- and interactions with nanoplastic particles in a soil bacterium and a soil fungus
Researchers found that nanosized polystyrene particles reduced the growth and enzymatic activity of both a soil bacterium (Pseudomonas) and a soil fungus (Coprinopsis), and that fungal hyphae strongly attracted nanoplastic beads, potentially concentrating them in specific soil pore spaces.
Particulate plastics-plant interaction in soil and its implications: A review
This review examines how micro- and nanoplastics in soil interact with plants, including uptake through roots, accumulation in plant tissues, and effects on growth, nutrient absorption, and soil microbial communities. The study highlights that these plastic particles can alter soil structure and chemistry in ways that affect crop development, raising concerns about food safety and agricultural productivity.
[Effect of Organic Fertilizers on the Accumulation and Distribution of Polystyrene Nanoplastics in Cotton Plants].
This pot experiment found that cotton plants absorb polystyrene nanoplastics through their roots and transport them into stems, but adding organic fertilizer reduced the amount transferred upward, with most nanoplastics retained in roots. While nanoplastics alone reduced plant growth indicators, organic fertilizer partially offset these negative effects. The results suggest that organic soil amendments could help reduce the uptake and spread of nanoplastics in food crops, which has implications for agricultural food safety.
Do polystyrene nanoplastics affect the toxicity of cadmium to wheat (Triticum aestivum L.)?
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.
Effects of polystyrene microplastics on the agronomic traits and rhizosphere soil microbial community of highland barley
Researchers investigated how polystyrene microplastics of different sizes and concentrations affect highland barley growth and the microbial communities in surrounding soil. They found that smaller particles reduced grain weight while larger particles decreased spike dimensions, and all microplastic treatments significantly lowered soil bacterial diversity. The study also showed that adding degrading bacteria helped restore microbial community structure closer to normal conditions.
Effects of polystyrene nanoparticles on the microbiota and functional diversity of enzymes in soil
Polystyrene nanoparticles applied to soil at environmentally relevant concentrations caused significant reductions in microbial biomass and disrupted the activity of enzymes critical for nutrient cycling within 28 days. The study provides the first experimental evidence that nanoplastics can act as antimicrobial agents in soil, with potential consequences for soil fertility and ecosystem function.
Polystyrene nanoplastics distinctly impact cadmium uptake and toxicity in Arabidopsis thaliana
In a study using the model plant Arabidopsis, polystyrene nanoplastics increased the uptake and accumulation of the toxic heavy metal cadmium in plant roots. The combined stress of nanoplastics and cadmium caused worse oxidative damage and growth problems than either pollutant alone. This is concerning because it means microplastics in agricultural soil could help toxic metals get into crops more easily, potentially increasing human exposure through food.
Physiological and biochemical effects of polystyrene micro/nano plastics on Arabidopsis thaliana
Experiments on the model plant Arabidopsis showed that polystyrene nano- and microplastics reduced seed germination, stunted growth, lowered chlorophyll levels, and triggered oxidative stress in roots, with smaller particles and higher concentrations causing the most damage. These findings raise concerns about how microplastic contamination in agricultural soil could affect crop health and ultimately food production.
A Critical Review of Polystyrene Microplastics in Soil–Plant Systems: Absorption, Phytotoxicity and Future Perspectives
This review compiled evidence on how polystyrene microplastics behave in soil-plant systems, covering their effects on soil microbial communities, plant root uptake, and crop phytotoxicity. The authors document that PS-MPs alter soil biochemistry and enter plant tissues, raising concerns about their accumulation in the food chain.
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.
Assessing the combined impacts of microplastics and nickel oxide nanomaterials on soybean growth and nitrogen fixation potential
This study tested how polystyrene microplastics and nickel oxide nanoparticles affect soybean growth and nitrogen fixation in soil. Microplastics alone reduced photosynthesis, plant hormones, and the beneficial root bacteria that help plants capture nitrogen from the air. While this is a plant and soil study, it demonstrates how microplastics can disrupt agricultural ecosystems that humans depend on for food production.
Microplastics and nanoplastics in the soil-plant nexus: Sources, uptake, and toxicity
This review examines how microplastics and nanoplastics accumulate in agricultural soils from plastic products and affect the soil-plant system. Researchers found that nanoplastics can be taken up by plant roots, cause oxidative stress, and negatively affect crop growth. The findings raise concerns about food safety since these particles may carry co-contaminants into the food chain.
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.
Micro/Nanoplastics in Agricultural Soils and Associated Hazard
This review surveys the sources, distribution, and hazards of micro- and nanoplastics in agricultural soils, with particular attention to how MPs interact with soil organisms, alter nutrient availability, and accumulate in crops in ways that threaten both soil health and food safety.
Response of peanut plant and soil N-fixing bacterial communities to conventional and biodegradable microplastics
Researchers tested how conventional plastics (polyethylene and polystyrene) and a biodegradable plastic (polylactic acid) affect peanut plant growth and nitrogen-fixing soil bacteria. They found that while none of the plastics reduced plant biomass, the biodegradable PLA at high doses dramatically altered soil nitrogen levels and bacterial community composition. The study suggests that biodegradable plastics may not be as harmless to agricultural soil ecosystems as commonly assumed.
Tiny pollutants, big consequences: investigating the influence of nano- and microplastics on soil properties and plant health with mitigation strategies
Researchers reviewed the impact of nanoplastics and microplastics on soil properties and plant health, examining absorption and translocation mechanisms in plants. The study suggests that plastic particles alter soil structure and microbial communities, impair plant growth and nutrient uptake, and proposes mitigation strategies to address these emerging threats to agricultural ecosystems.
Translocation of nanoplastics from soil to crops impairs pollen viability with potential implications to pollinators
Researchers investigated the translocation of polystyrene nanoplastics from soil into crop plants and examined the subsequent effects on pollen viability. The study found evidence that nanoplastics taken up through roots can reach reproductive tissues and impair pollen function. The findings raise concerns about potential downstream effects on pollinator health and agricultural productivity through soil-to-plant nanoplastic transfer.
Occurrence and distribution of micro/nanoplastics in soils and their phytotoxic effects: A review
This review examined how micro- and nanoplastics distribute across different soil types and get taken up by plant roots, finding that smaller, spherical particles are absorbed more easily. Researchers found that these plastic particles accumulate in plants and trigger oxidative stress, which disrupts gene expression and metabolic pathways important for plant growth and biomass production.