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 A novel method for magnetic labelling and extraction of small-sized microplastics (4 μm) from soil
ClearA novel method for magnetic labelling and extraction of small-sized microplastics (4 μm) from soil
Researchers developed a novel magnetic labelling method to improve extraction efficiency of small microplastics (4 µm polystyrene spheres) from soil by heating particles with Fe3O4 magnetic nanoparticles to embed nanoparticles in the microplastic surface, enabling magnetic separation. Optimizing the incubation at 90°C for 2.5 hours achieved a recovery rate of 91.67% from water matrices, demonstrating potential for extracting sub-10 µm particles that conventional density separation methods miss.
Magnetic labelling and extraction of micrometer-sized microplastics from soil
Researchers developed a magnetic labeling and extraction method for micrometer-sized microplastics from soil, exploiting the glass transition of polystyrene by heating particles to embed iron oxide nanoparticles on their surface, allowing efficient magnetic separation of small MPs from complex soil matrices.
Magnetic labelling and extraction of micrometer-sized microplastics from sandy soil
Researchers developed a magnetic labelling technique for extracting micrometer-sized microplastics (4 µm) from sandy soil by exploiting the glass transition of polystyrene to embed iron oxide magnetic nanoparticles on MP surfaces, enabling efficient separation using a magnetic field.
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.
Rapid extraction of high- and low-density microplastics from soil using high-gradient magnetic separation
High-gradient magnetic separation was developed as a method to extract both high- and low-density microplastics from soil, overcoming the limitation of conventional density-based separation that often misses heavier plastic types. The approach improved overall microplastic recovery and offers a more complete picture of soil contamination.
Unearthing nanoplastics in soil: optimising extraction and purification while preserving particle integrity
Researchers worked to develop and optimize a method for extracting nanoplastics — plastic particles smaller than 1 micrometer — from soil while keeping the particles intact for detailed analysis, finding that combining multiple purification steps resulted in only about 1.4% recovery of added particles. Despite the low overall recovery, the method produced clean enough samples for microscopy analysis, providing a foundation for improving nanoplastic detection in soil environments.
An efficient, cost-effective, and environmentally friendly protocol for extracting microplastics from soil samples
Researchers developed an efficient, cost-effective, and environmentally friendly protocol for extracting microplastics from soil samples, addressing the lack of standardized methods and evaluating extraction performance across different soil matrices.
Systematic development of extraction methods for quantitative microplastics analysis in soils using metal-doped plastics
Researchers developed and optimized systematic extraction methods for quantitative microplastic analysis in diverse soil types, using metal-doped PET microplastics as reference materials to validate extraction workflows and improve consistency across different soil matrices.
A modified methodology for extraction and quantification of microplastics in soil
Researchers developed and validated an improved methodology for extracting and quantifying microplastics from soil samples using optimized density separation with different salt solutions. The method achieved high recovery rates for various polymer types and particle sizes while minimizing organic matter interference. The study provides a standardized and reproducible analytical approach that could help address inconsistencies in how microplastics are measured across different soil studies.
Quantification of Microplastics in Soils Using Accelerated Solvent Extraction: Comparison with a Visual Sorting Method
Researchers evaluated accelerated solvent extraction as an alternative to visual sorting for quantifying microplastics in soil, finding it recovered similar total amounts but with some differences by polymer type. Improving the accuracy and efficiency of soil microplastic measurement is essential for understanding agricultural and terrestrial plastic contamination.
Microplastics in soils: A comparative review on extraction, identification and quantification methods
This review compares the various methods scientists use to extract, identify, and measure microplastics in soil, highlighting the strengths and weaknesses of each approach. Soil is a particularly challenging material to work with because its organic matter and complex structure can interfere with accurate microplastic detection. The authors recommend combining multiple techniques and minimizing harsh chemical steps that could accidentally destroy the very plastic particles being measured.
Advances in the analysis of relevant microplastic types in agricultural soils
Researchers developed an optimized soil purification protocol for extracting and identifying microplastic particles from agricultural soils, systematically testing and combining multiple extraction and purification steps to improve the accuracy of polymer identification across different soil types.
Optimized microplastic analysis based on size fractionation, density separation and μ-FTIR
Researchers optimized a multi-step method for extracting and identifying microplastics from soil and sediment, combining grain size separation, density flotation, and infrared microscopy. The validated method achieved high recovery rates for eight common plastic polymers, contributing to more reliable monitoring of soil microplastic contamination.
Advances in the analysis of relevant microplastic types in agricultural soils
Researchers developed and validated an improved soil purification protocol for extracting microplastics from agricultural soils, based on systematic testing across different soil types to efficiently isolate plastic particles for polymer identification. The method built on prior work by Moller et al. (2022) and addressed the challenge that soil remains one of the most difficult matrices for microplastic analysis.
Separation and Identification of Conventional Microplastics from Farmland Soils
Researchers developed a low-cost, accessible method for extracting and identifying microplastics from farmland soils using density separation, fluorescent staining, and infrared spectroscopy. The protocol achieved recovery rates between 82% and 101% across different soil types and particle sizes. This standardized approach could help scientists worldwide compare results more reliably and give policymakers better data on agricultural microplastic contamination.
Magnetic Extraction of Microplastics from Environmental Samples
A magnetic extraction method was developed using hydrophobic iron nanoparticles that bind to plastic surfaces, achieving 92% recovery of 10–20 μm polyethylene and polystyrene beads and 84–93% recovery of six polymer types from seawater and sediment. The method offers a practical, adaptable approach to extracting microplastics from complex environmental matrices without the limitations of density-based separation.
An effective method for the rapid detection of microplastics in soil
A rapid and practical method was developed for detecting and identifying microplastics in soil, addressing the need for faster alternatives to existing time-consuming techniques. The method uses a combination of sieving and staining approaches to accelerate microplastic extraction and identification from soil samples.
Remediation strategies for micro/nanoplastic pollution using magnetic nanomaterials
This review surveys recent developments in using magnetic nanomaterials, such as iron oxide nanoparticles and magnetic composites, to remove micro- and nanoplastics from water and soil. These materials can capture plastic particles through adsorption, help clump them together for removal, or even break them down, and they can be magnetically recovered for reuse. The study highlights that magnetic nanomaterials offer a promising approach for cleaning up plastic pollution, though challenges remain in scaling up for real-world use.
Enhancing Microplastic Transport Research in Agricultural Soils through Fluorescent Particles: A Simplified Method for Detection and Quantification
Researchers developed a simplified protocol using fluorescent microplastic particles to enable rapid detection and enumeration of MPs in agricultural soil and sediment without extraction, achieving approximately 90% recovery for 100-500 micrometer polyethylene and polylactic acid particles using size fractionation.
Extraction and identification methods of microplastics and nanoplastics in agricultural soil: A review
This review assessed extraction and identification methods for microplastics and nanoplastics in agricultural soils, comparing density separation, chemical digestion, and spectroscopic identification approaches, and recommending method standardization to enable cross-study comparisons of soil MP contamination.
Upgraded Protocol for Microplastics’ Extraction from the Soil Matrix by Sucrose Density Gradient Centrifugation
Extracting microplastics from soil is technically difficult because soil contains dense organic matter and particles that look similar to plastic under analysis. This study refined a sucrose density gradient centrifugation method to more cleanly separate microplastics from soil, improving recovery rates while reducing contamination from non-plastic material. A reliable soil extraction protocol is essential for accurately measuring how much microplastic pollution has accumulated in agricultural and urban land.
A simple method for the extraction and identification of light density microplastics from soil
This study developed and validated a simple method for extracting and identifying low-density microplastics from sediment samples, offering a practical and cost-effective approach for environmental monitoring.
Extraction and Identification of a Wide Range of Microplastic Polymers in Soil and Compost
Researchers compared and optimized two microplastic extraction methods for soil and compost, finding that density separation combined with chemical digestion was effective across a wide range of polymer types, providing a more reliable protocol for terrestrial microplastic analysis.
Separation of microplastic from soil by centrifugation and its application to agricultural soil
Researchers developed a centrifugation-based protocol combined with Fenton oxidation and Nile Red fluorescence microscopy to efficiently separate and quantify microplastics from agricultural soil samples, recovering over 95% of spiked particles.