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61,005 resultsShowing papers similar to A new small device made of glass for separating microplastics from marine and freshwater sediments
ClearAn efficient extraction device for microplastics in marine sediments and its applications
Researchers developed a new high-efficiency extraction device for separating microplastics from marine sediment samples using air pumps and metal perforated plate fillers. The device demonstrated improved effectiveness and efficiency compared to conventional density flotation methods for isolating plastic particles. The study suggests this tool could enhance the accuracy of quantitative microplastic detection in marine environments where sediments serve as significant pollution sinks.
Towed dredge for collection of microplastics from the surface of the bottom through density separation
Researchers describe a towed dredge device designed to collect microplastics from the bottom of water bodies using density separation, addressing a gap in equipment for sampling microplastics in aquatic sediments.
Separation of microplastics from deep-sea sediment using an affordable, simple to use, and easily accessible density separation device
Researchers developed an affordable, simple, and accessible density separation device for extracting microplastics from deep-sea sediment, addressing the lack of accuracy and reproducibility in existing extraction methods. The study included spike-recovery experiments as positive controls to validate extraction performance across different sediment matrices.
A novel, highly efficient method for the separation and quantification of plastic particles in sediments of aquatic environments
Researchers improved a density separation method for isolating microplastics from aquatic sediments, achieving higher recovery rates and reducing processing time compared to earlier approaches. The validated method was designed to be reproducible and cost-effective, addressing the need for reliable standardized protocols in microplastic monitoring.
Validation of density separation for the rapid recovery of microplastics from sediment
Researchers validated a density separation method for rapidly recovering microplastics from sediment samples, confirming it as a reliable and efficient approach for routine environmental monitoring.
Optimization of elutriation device for filtration of microplastic particles from sediment
Researchers optimized an elutriation device — which uses upward water flow to separate particles by density — achieving high microplastic recovery rates from sediment by adjusting flow rate and column diameter. The optimized device provides a practical, low-cost tool for extracting microplastics from environmental sediment samples in research and monitoring programs.
Optimization of glass separating funnels to facilitate microplastic extraction from sediments
Researchers improved a low-cost glass funnel device for separating microplastics from sediment by replacing a plastic stopcock with a silicone tube and Mohr clamp, achieving a 90% microplastic recovery rate in laboratory tests. This simple modification reduces contamination risk from plastic components in the equipment itself, a known problem with existing tools. Reliable and affordable extraction methods are foundational to accurate monitoring of microplastic levels in sediments worldwide.
Marine microplastic separation device based on micro nano bubble flotation technology
Researchers designed a marine microplastic separation device using micro-nano bubble flotation technology to address limitations of existing methods, enabling continuous separation of microplastic particles from seawater with improved efficiency and reduced risk of secondary contamination.
Microplastic extraction from sediments established? – A critical evaluation from a trace recovery experiment with a custom-made density separator
Scientists evaluated the accuracy of a custom density separator for extracting small microplastic particles from sediment, finding variable recovery rates across different polymer types. Standardized and validated extraction methods are essential for accurate measurements of microplastic contamination in sediment environments.
A small-scale, portable method for extracting microplastics from marine sediments
Researchers developed a portable, low-cost device for extracting microplastics from marine sediments using density flotation with zinc chloride solution. The Sediment-Microplastic Isolation unit achieved an average extraction efficiency of nearly 96% across different sediment types in a single step. This tool makes it easier for researchers to accurately measure microplastic contamination in seafloor sediments during field work.
A new filtration system for extraction and accurate quantification of microplastics
Researchers developed a new filtration system for extracting and accurately quantifying microplastics from solution media, addressing the problem of microplastic particle adsorption onto glassware surfaces that compromises conventional quantification methods. The system improves upon standard density separation and solvent extraction pretreatments to enable more reliable microplastic abundance measurements.
An optimized density-based approach for extracting microplastics from soil and sediment samples
Researchers optimized a density-based extraction method for isolating microplastics from soil and sediment samples, testing different density solutions and separation steps to maximize recovery efficiency. The improved protocol reduces contamination risks and particle loss, enabling more accurate quantification of microplastics in terrestrial and freshwater sediment matrices.
Hydrophobicity–water/air–based enrichment cell for microplastics analysis within environmental samples: A proof of concept
Researchers developed a new microplastic separation device that uses the hydrophobic properties of plastic particles combined with fine air bubbles to quickly and effectively extract microplastics from sediment and soil samples. The new method avoids harsh solvents that can degrade microplastic particles and offers a faster alternative to existing separation techniques.
A Novel Application of Filtration for the Collection of Microplastics in Waterways
Researchers developed a novel filtration system for collecting microplastics from waterways, demonstrating its effectiveness as a scalable and practical tool for environmental monitoring and plastic pollution assessment.
Separation of microplastics from deep-sea sediment using an affordable, simple to use, and easily accessible density separation device
This study developed an affordable, simple technique for separating microplastics from deep-sea sediment samples, using density separation and chemical digestion to achieve reliable extraction of plastic particles from these challenging matrices.
A microfluidic device for size-based microplastics and microalgae separation
Researchers designed a microfluidic device that separates microplastics and microalgae by size using controlled flow patterns. The device could be used to isolate microplastics from complex environmental water samples containing biological material, improving the accuracy of microplastic monitoring.
Comparison of Different Procedures for Separating Microplastics from Sediments
Researchers compared three different methodologies for separating dense microplastics from fine sediments, finding significant differences in recovery rates and identifying contamination risks during the separation procedures.
Laboratory Designed Portable Device for Density Separation and Characterization of Microplastics in Environmental Soil Samples
Scientists designed a small, portable device for extracting microplastics from soil and sediment samples using a density separation method with different salt solutions, successfully isolating PET, LDPE, PVC, and PP from samples collected in school yards, lakesides, and agricultural fields. A portable, low-cost device lowers the barrier to field-based microplastic monitoring and could enable wider participation in pollution surveys.
New method for extracting microplastics from sediments using a hydrocyclone and sieve
Researchers developed a faster way to pull microplastics out of sediment using a hydrocyclone — a device that spins water and particles using centrifugal force — processing about 10 kg of sediment in just 30 seconds. This is dramatically faster than current lab methods and could help scientists study microplastic pollution at much larger scales without needing toxic chemicals.
Low-cost, manual centrifuge for separation of particles from water
Researchers designed and tested a low-cost, manually powered centrifuge for separating particles from water samples, demonstrating its effectiveness as an accessible tool for microplastic sampling in resource-limited research settings.
A high-precision, effective method for extraction and identification of small-sized microplastics from soil
Researchers developed a novel device called the Plastic Flotation and Separator system to improve extraction of very small microplastics (under 60 micrometers) from soil samples. The system achieved a 90% recovery rate for particles as small as 45 micrometers, significantly outperforming traditional methods. The study suggests that previous research may have underestimated microplastic contamination in soils due to limitations in detecting these smaller particles.
Integrated sample processing and counting microfluidic device for microplastics analysis
Researchers developed an integrated microfluidic device that combines sample digestion, filtration, and counting processes for streamlined microplastic analysis. The study demonstrated that this automated approach can successfully quantify microplastics from both river water sediment and fish gastrointestinal tract samples, offering a faster and more accessible alternative to conventional time-consuming manual analysis methods.
In-situ microplastic pre-treatment and sorting using an inertial microfluidic device
Researchers developed an inertial microfluidic device capable of pre-treating and sorting microplastics in situ, enabling separation of particles by size and shape prior to chemical analysis or recycling. The system demonstrates the viability of microfluidics for scalable microplastic processing, supporting both environmental monitoring and potential resource recovery applications.
Microplastic in beach sediments of the Isle of Rügen (Baltic Sea) - Implementing a novel glass elutriation column
Researchers investigated the abundance and spatial distribution of microplastics in beach sediments at four sites on the Isle of Rügen in the Baltic Sea, implementing a glass elutriation column for density separation and testing recovery rates for non-buoyant polymers.