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20 resultsShowing papers similar to Synergistic effect of arsenate and microplastics and its toxicity mechanism on lettuce
ClearThe Combined Toxic Effects of Polystyrene Microplastics and Arsenate on Lettuce Under Hydroponic Conditions
Researchers found that polystyrene microplastics and arsenic together caused more harm to lettuce than either pollutant alone, reducing root growth and chlorophyll content by up to 71%. The arsenic actually helped microplastics penetrate deeper into plant tissue, and the combination made the soil around roots more acidic. This study is important because it shows that microplastics in farm soil can worsen the effects of other contaminants on food crops.
Interactive impacts of microplastics and arsenic on agricultural soil and plant traits
This study tested how microplastics interact with arsenic, a toxic metal, in agricultural soil growing lettuce. While microplastics alone slightly promoted plant growth, combining them with arsenic significantly reduced lettuce size and health. The findings suggest that microplastics in farm soil could worsen the effects of other pollutants like arsenic, potentially affecting the safety and quality of leafy vegetables that people eat.
Micro-nanoscale polystyrene co-exposure impacts the uptake and translocation of arsenic and boscalid by lettuce (Lactuca sativa)
Researchers found that nanoscale polystyrene particles dramatically increase arsenic translocation from roots to edible shoots of lettuce — up to threefold — while also entering root cells and migrating to leaves, demonstrating that microplastic co-exposure can substantially amplify the accumulation of other environmental contaminants in food crops.
The combined toxicity of polystyrene microplastic and arsenate: From the view of biochemical process in wheat seedlings (Triticum aestivum L.)
Researchers found that when wheat seedlings were exposed to both arsenic and polystyrene microplastics together, the microplastics reduced arsenic uptake in roots but dramatically increased arsenic transport to the above-ground parts of the plant — by up to 1,000%. This combined exposure caused more oxidative stress and damage to the plants' photosynthetic systems than arsenic alone. The findings suggest that microplastics in contaminated soil could increase how much toxic metal ends up in the edible parts of crops.
Microplastic particles increase arsenic toxicity to rice seedlings
Researchers studied how polystyrene and polytetrafluoroethylene microplastics interact with arsenic to affect rice seedling growth. They found that microplastics alone reduced plant biomass and inhibited photosynthesis, while the combination with arsenic at higher concentrations amplified the toxic effects on root activity and cell membranes. The study reveals that microplastic contamination in agricultural settings may worsen the impact of other pollutants on food crops.
Polyethylene Nanoplastics Intensify Arsenic Toxicity in Lettuce by Altering Arsenic Accumulation and Stress Pathways
Researchers grew lettuce in arsenic-contaminated farmland soil amended with polyethylene nanoplastics and found that nanoplastic exposure increased arsenic accumulation in edible leaves by 35–39%, reduced plant biomass by up to 30%, and disrupted antioxidant metabolism, highlighting compounded food safety risks in contaminated agricultural soils.
Effects of microplastics and arsenic on plants: Interactions, toxicity and environmental implications
This review examines how microplastics and arsenic interact in soil and their combined effects on plant health. When both pollutants are present together, they can have amplified toxic effects on plants, affecting growth, nutrient uptake, and stress responses. Since plants absorb these contaminants from soil, the interaction between microplastics and arsenic could increase human exposure to both pollutants through food crops.
Effects of naturally aged microplastics on the distribution and bioavailability of arsenic in soil aggregates and its accumulation in lettuce
Scientists studied how weathered microplastics interact with arsenic, a toxic element, in soil where lettuce is grown. At low to moderate arsenic levels, the microplastics actually helped the lettuce grow better and reduced arsenic uptake. However, at high arsenic concentrations, microplastics made the toxicity worse, reducing leaf quality and nutrition. This shows that the health impact of microplastics in farming depends heavily on what other contaminants are present in the soil.
Effects of naturally aged microplastics on arsenic and cadmium accumulation in lettuce: Insights into rhizosphere microecology
Researchers studied how naturally aged microplastics in soil affect the uptake of arsenic and cadmium by lettuce. At low concentrations, microplastics actually reduced heavy metal absorption and helped plant growth, but at higher concentrations they increased the amount of toxic metals taken up by the lettuce. This means microplastic-contaminated farmland could lead to higher levels of heavy metals in salad greens and other vegetables that people eat.
Microplastic mediated arsenic toxicity involves differential bioavailability of arsenic and modulated uptake in rice (Oryza sativa L.)
Researchers examined how polyethylene and polylactic acid microplastics interact with arsenic contamination in rice paddies. They found that at low arsenic levels, microplastics actually reduced arsenic uptake by rice plants, but at high arsenic concentrations the combination produced synergistic toxic effects. The study reveals that the interaction between microplastics and heavy metals in agricultural soils is more complex than previously thought and depends heavily on contaminant concentration levels.
The adsorption of arsenic on micro- and nano-plastics intensifies the toxic effect on submerged macrophytes
Researchers investigated how arsenic adsorbs onto microplastics of varying types and sizes, and how those particles affect underwater plants. They found that nanoplastics increased arsenic absorption in aquatic macrophytes by 36-47%, causing more severe leaf damage and oxidative stress than either contaminant alone.
Effects of polyethylene microplastics, arsenic, and their combined contamination on maize seed germination
Researchers studied the individual and combined effects of polyethylene microplastics and arsenic on maize seed germination. The study found that low concentrations slightly promoted germination, while higher concentrations of both contaminants significantly inhibited growth, altered antioxidant enzyme activities, and produced synergistic toxic effects when combined.
Response of garlic (Allium sativum L.) to the combined toxicity of microplastics and arsenic
Researchers studied how polystyrene microplastics and arsenic interact when both are present in soil where garlic is growing. They found that nanoscale plastic particles can enter garlic through the roots and accumulate in plant tissues, and that higher microplastic concentrations actually increased arsenic transport into the edible bulb. The study highlights potential food safety concerns when crops are grown in soil contaminated with both microplastics and heavy metals.
Effects of polyethylene microplastics, arsenic, and their combined contamination on maize seed germination
Researchers studied the individual and combined effects of polyethylene microplastics and arsenic on maize seed germination. The study found that low concentrations slightly promoted germination, while higher concentrations of both contaminants significantly inhibited growth, altered antioxidant enzyme activities, and produced synergistic toxic effects when combined.
Effect of microplastics and arsenic on nutrients and microorganisms in rice rhizosphere soil
Researchers investigated how polystyrene and polytetrafluoroethylene microplastics interact with arsenic contamination in rice rhizosphere soil. The study found that microplastics reduced arsenic bioavailability and altered microbial communities, while both pollutants together inhibited key soil enzyme activities and reduced available nitrogen and phosphorus, suggesting combined microplastic-arsenic pollution can impair nutrient cycling and crop growth.
Synergistic Effectsof Polystyrene Nanoplastics andCadmium on the Metabolic Processes and Their Accumulation in HydroponicallyGrown Lettuce (Lactuca sativa)
Hydroponically grown lettuce co-exposed to cadmium and polystyrene nanoplastics accumulated 61% more cadmium and more nanoplastics than singly-exposed plants, with combined exposure causing greater oxidative stress and growth inhibition.
Synergistic Effects of Polystyrene Nanoplastics and Cadmium on the Metabolic Processes and Their Accumulation in Hydroponically Grown Lettuce (Lactuca sativa)
When lettuce was grown with both nanoplastics and the toxic metal cadmium, the plants absorbed 61-67% more of both contaminants compared to exposure to either one alone. The combined pollution triggered a stronger stress response in the plants and changed how they grew. This is concerning for human health because it means nanoplastics in agricultural soil could significantly increase the amount of toxic heavy metals that end up in salad greens and other food crops.
Phytotoxicity of binary nanoparticles and humic acid on Lactuca sativa L.
Polystyrene nanoplastics were found to aggravate the toxic effects of iron oxide nanoparticles on lettuce by inducing oxidative stress and root deformation, demonstrating synergistic phytotoxicity when two nanomaterial pollutants co-occur in soil.
Single and joint toxicity of polymethyl methacrylate microplastics and As (V) on rapeseed (Brassia campestris L.)
Researchers evaluated the individual and combined toxicity of polymethyl methacrylate microplastics and arsenic on rapeseed plants. They found that nanoscale plastic particles were more toxic than microscale ones, and the combination of nanoplastics with arsenic produced synergistic harmful effects on germination, growth, and arsenic accumulation in plant tissues. The study raises concerns about the combined impact of microplastics and heavy metals on crop safety in contaminated farmland.
Microplastics change the safe production ability of arsenic-stressed rice (Oryza sativa L.) by regulating the antioxidant capacity, arsenic absorption, and distribution in rice
Researchers studied how polyethylene and biodegradable polylactic acid microplastics interact with arsenic contamination to affect rice growth and food safety. They found that the type of microplastic influenced how arsenic accumulated in different parts of the rice plant, with some combinations increasing arsenic levels in the edible grain. The findings raise concerns about microplastic contamination in agricultural soils altering how toxic metals are taken up by food crops.