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Papers
61,005 resultsShowing papers similar to A novel multi-criteria decision analysis approach to advance standardisation of microplastic extraction from agricultural soils
ClearComparison of Methodologies for Microplastic Isolation through Multicriteria Analysis (AHP)
Researchers used multicriteria analysis (AHP) to compare different microplastic isolation methodologies for soil samples, identifying the most effective protocols and highlighting the need for standardized extraction methods to enable comparable results across studies.
Extraction and decontamination of microplastics from high organic matter soils: A simple, cost-saving and high efficient method
Researchers developed and validated an optimized method to extract microplastics from organic-rich soils, finding that zinc chloride flotation combined with a dilute sulfuric acid-hydrogen peroxide digestion achieves 96-102% microplastic recovery while preserving the plastic particles intact. This practical, low-cost protocol fills an important methodological gap for studying microplastic contamination in agricultural soils where high organic matter typically interferes with detection.
Identifying an accurate and efficient approach to soil organic matter removal for quantifying microplastics in agricultural soils
Researchers evaluated multiple soil organic matter removal strategies for microplastic extraction from agricultural soils, comparing their efficiency in decomposing organic interference while preserving microplastic integrity. The study identifies an optimal approach that balances thorough SOM removal with minimal microplastic degradation, supporting more accurate quantification in contaminated agricultural samples.
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.
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.
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.
Extraction of Polyethylene and Polypropylene Microplastic from Agriculture Soil
Researchers examined methods for extracting polyethylene and polypropylene microplastics from agricultural soil, investigating how microplastic concentrations affect soil properties and crop productivity while evaluating density separation and other extraction protocols to improve detection and quantification of plastic pollution in agroecosystems.
A Cost-Effective Standardized Quantitative Detection Method for Soil Microplastics in Different Substrates
Scientists developed and validated a low-cost, standardized method for extracting and counting microplastics from different soil types—sandy, loam, and clay—achieving a 96.4% recovery rate at roughly $10 per sample in about 68 hours. The lack of consistent protocols has made it hard to compare microplastic data across studies globally, and this streamlined workflow directly addresses that problem. Better standardization will help researchers build a reliable picture of how contaminated agricultural soils really are worldwide.
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.
Extraction and Characterization of Microplastics in Soil: A Case Study from the Hetao Irrigation District
Researchers developed a refined extraction method combining two-step density separation with NaCl solution, hydrogen peroxide digestion, and a fractionated filtration method to accurately isolate and characterize microplastics across multiple size ranges from agricultural soils in the Hetao Irrigation District, China.
Comprehensive assessment of various digestion protocols for extraction microplastics from organic-rich environmental matrices
Researchers tested 27 different chemical protocols for extracting microplastics from organic-rich samples like animal tissue, plants, soil, and sewage sludge. They identified the best digestion method for each sample type that removes organic matter while preserving the integrity of 26 different plastic types. The optimized protocols achieved recovery rates above 98%, offering a standardized approach for more accurate microplastic analysis across different environmental samples.
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.
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.
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.
The power of centrifugation: How to extract microplastics from soil with high recovery and matrix removal efficiency
This study developed and validated a centrifugation-based method for extracting microplastics from soil samples with high recovery and efficient removal of organic matter. The approach is particularly useful for monitoring the fragmentation and biodegradation of both conventional and biodegradable polymers released into agricultural soils.
A Simplified and Optimised Protocol for Microplastics Determination in Soil and Sludge Applied Soils
Researchers developed and validated a simplified, optimized protocol for determining microplastic concentrations in soil and sewage sludge, addressing the methodological inconsistency that currently makes comparison between global studies difficult.
A rapid staged protocol for efficient recovery of microplastics from soil and sediment matrices based on hydrophobic separation
Researchers developed a four-stage microplastic extraction device using a hydrophobic separation principle and tested three extracting solutions for recovering MPs from loam soil, sandy sediment, and muddy sediment matrices. Corn oil-in-NaCl solutions combined with aeration achieved the highest MP recovery rates across all three matrix types, offering a rapid alternative to existing digestion-based methods.
Developing a systematic method for extraction of microplastics in soils
A systematic comparison of microplastic extraction methods for soils tested hydrogen peroxide, potassium hydroxide, and Fenton's reagent for organic matter removal alongside density separation, finding that method performance varied strongly with soil organic matter content and particle size distribution.
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.
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.
Microplastics in complex soil matrix: Recovery, identification and removal using micro nano techniques
Researchers reviewed current methods for finding and removing microplastics from complex soil samples, noting that no single technique works well for all particle types, and proposed a step-by-step approach combining density separation, chemical purification, and photocatalytic degradation to better detect and eliminate soil microplastics.
Separation and Measurement of Microplastics in Paddy Soil
Researchers tested sodium iodide, zinc chloride, and deionized water for separating microplastics from paddy soil and found sodium iodide most effective, recovering particles ranging from 1 to 111 µm in size at abundances up to 5,800 pieces per kilogram of soil. Standardizing extraction methods like this is a prerequisite for generating reliable, comparable data on how widely microplastics have spread into agricultural soil and food crops.
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.