We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
20 resultsShowing papers similar to A new approach to extracting biofilm from environmental plastics using ultrasound-assisted syringe treatment for isotopic analyses
ClearBiofilm-enhanced adsorption of strong and weak cations onto different microplastic sample types: Use of spectroscopy, microscopy and radiotracer methods
Researchers used radiotracer, spectroscopy, and microscopy methods to show that biofilm-coated environmental plastics adsorb radioactive cesium and strontium — radionuclides associated with nuclear releases — though at rates much lower than natural sediments, confirming that plastics act as a minor but measurable sink for environmental radioactivity.
Initial data on adsorption of Cs and Sr to the surfaces of microplastics with biofilm
Researchers measured adsorption of radiocesium and radiostrontium onto weathered microplastics deployed in freshwater, estuarine, and marine environments, finding that distribution coefficients were approximately two to three orders of magnitude lower than for sediment reference values. Despite the lower adsorption, the buoyancy and mobility of plastics suggest they may still function as a significant radionuclide reservoir in aquatic systems.
Unfolding the interaction of radioactive Cs and Sr with polyethylene-derived microplastics in marine environment
Researchers investigated how polyethylene microplastics in the marine environment interact with radioactive cesium and strontium. They found that as microplastics age in seawater and develop biofilms, their ability to absorb these radioactive elements increases significantly. The study provides evidence that microplastics could act as previously unrecognized carriers of radioactive contamination in ocean environments.
Unfolding the interaction of radioactive Cs and Sr with polyethylene-derived microplastics in marine environment
A mesocosm study examined how radioactive cesium and strontium interact with pristine, radiation-exposed, and marine-weathered polyethylene microplastics, finding that environmental aging—through biofilm formation and surface roughening—significantly increased the plastic particles' capacity to sorb radioactive contaminants.
Marine microplastics fuel long-range transport of radioactive nuclides: A review
This review examines how marine microplastics adsorb radioactive nuclides and transport them over long distances, discussing the implications of plastic-facilitated radionuclide dispersal for ocean monitoring and the compounding environmental risks from co-occurring plastic and nuclear contamination.
Microplastics as vectors of radioiodine in the marine environment: A study on sorption and interaction mechanism
Researchers investigated microplastics as potential vectors of radioiodine in the marine environment, finding that different polymer types exhibited varying sorption capacities for radioiodine, revealing a previously unstudied pathway for radionuclide transport.
Polyethylene terephthalate (PET) microplastics as radionuclide (U-232) carriers: Surface alteration matters the most
Researchers investigated how surface alteration of PET microplastics affects their ability to carry radioactive uranium-232. The study found that biofilm formation on PET surfaces dramatically increased radionuclide adsorption efficiency compared to pristine plastic, suggesting that environmentally weathered microplastics may play a more significant role in transporting radioactive contaminants through aquatic systems.
Non-destructive microplastic isolation from water and sediment samples v1
This protocol describes a non-destructive method for isolating microplastics from water and sediment samples that preserves the associated microbial biofilm, enabling both culture-based and sequencing-based analysis of plastisphere communities.
A Preliminary Study on the “Hitchhiking” of Radionuclides on Microplastics: A New Threat to the Marine Environment from Compound Pollution
This preliminary study examined whether radionuclides can adsorb onto microplastic surfaces and be transported through the environment alongside them, identifying the physicochemical properties of microplastics that facilitate radionuclide hitchhiking and the associated contamination risks.
Influence of microplastics on nutrients and metal concentrations in river sediments
Researchers investigated how microplastics influence nutrient and metal concentrations in river sediments, finding that microplastics alter the distribution of pollutants through their capacity to adsorb contaminants and support biofilm formation on their hydrophobic surfaces.
Culturing the Plastisphere: comparing methods to isolate culturable bacteria colonising microplastics
Researchers compared culturing methods for isolating bacteria from the plastisphere (plastic-colonizing microbial communities), finding that method choice strongly influences which bacterial taxa are recovered and that standardization is needed to better assess pathogen and resistance gene enrichment on microplastics.
Plastisphere on microplastics: In situ assays in an estuarine environment
This study examined how microbial biofilm communities (the plastisphere) form on polystyrene and nylon microplastics placed in a polluted estuary over 129 days. Researchers found that the plastisphere influenced metal accumulation and weathering of the microplastic surfaces, with different plastic types supporting distinct microbial communities.
Dynamics and functions of microbial communities in the plastisphere in temperate coastal environments
Researchers explored microbial communities colonizing microplastics in coastal environments of Japan, comparing bacterial and fungal communities across different plastic types, water, sediment, and sand. The study found that while microbial communities varied by sample type and location rather than plastic shape, microplastics harbored hydrocarbon-degrading organisms as well as potential pathogens, highlighting the ecological significance of plastic-associated biofilms.
An effective method to assess the sorption dynamics of PCB radiotracers onto plastic and sediment microparticles
Scientists developed a radiotracer method using PCB isotopes to precisely measure how quickly toxic chemicals sorb onto microplastics and sediment particles in seawater. Understanding sorption-desorption rates is critical for predicting how much toxic chemical exposure marine organisms receive from microplastic ingestion.
Exploring New Frontiers in Marine Radioisotope Tracing – Adapting to New Opportunities and Challenges
This review examined how radioisotope tracing techniques developed over 150 years are adapting to new opportunities in marine and coastal science, covering applications from cellular-level studies to ocean basin-scale environmental tracing. The authors explored how nuclear techniques can be applied to understand how aquatic organisms respond to stressors including plastic pollution.
Microplastics as an emerging anthropogenic vector of trace metals in freshwater: Significance of biofilms and comparison with natural substrates
Scientists placed virgin polystyrene microplastics in a eutrophic urban lake and a drinking water reservoir for four weeks to allow biofilm development, then measured trace metal accumulation, finding that biofilm-coated microplastics accumulated significantly more metals than virgin plastics or natural substrates.
The role of benthic biofilms in trapping estuarine microplastics
Researchers investigated how benthic biofilms in estuarine environments capture and retain microplastics under flow conditions, finding that greater biofilm development increased MP trapping efficiency and that heavy metals co-adsorbed to MPs influenced biofilm retention behavior.
Association between microplastics and biofilm: a new perspective for monitoring microplastics in urban rivers
Researchers reviewed the use of biofilms as a monitoring matrix for microplastics in urban rivers, drawing on literature about microplastic occurrence in Brazilian rivers and biofilm-associated adsorption of emerging contaminants in freshwater. The study argues that biofilm analysis offers a complementary perspective to water and sediment monitoring because biofilms accumulate pollutants over days, providing an integrated signal of microplastic exposure in the water column.
Biofilm facilitates metal accumulation onto microplastics in estuarine waters
This study demonstrated that biofilm colonization on microplastics in estuarine waters significantly enhanced their sorption of metals such as copper and zinc, suggesting biofouling changes the contaminant-carrying capacity of plastic debris.
PET plastics as a Trojan horse for radionuclides
Researchers discovered that PET plastic bottles collected near a phosphate fertilizer plant had accumulated natural and artificial radionuclides, demonstrating that littered plastics can act as carriers for radioactive contaminants and pose potential health risks.