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Papers
61,005 resultsShowing papers similar to Improving analytical methods for the extraction and analysis of biodegradable and non-biodegradable microplastics in the soil environment.
ClearAn 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.
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.
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.
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.
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.
Research Progress on Separation and Detection Methods of Microplastics in Soil Environment
This review summarizes methods for separating and detecting microplastics in soil environments, identifying the most effective analytical approaches and highlighting the need for standardization to improve comparability across studies.
Analysis of Conventional and Biodegradable Microplastics in Solid Sample Matrices: A Contribution to Method Standardization
Researchers developed and tested analytical methods for detecting and measuring both conventional and biodegradable microplastics in solid environmental samples like soil and sediment. Standardizing such methods is critical for producing comparable data across studies worldwide. The paper advances the field by providing validated protocols for detecting biodegradable plastic particles, which behave differently from conventional plastics.
Microplastic in Soil: a Review of Detection Methods
This review examines published approaches for detecting and identifying microplastics in soil environments, synthesizing sampling, extraction, and characterization methods to address the lack of standardization that hinders cross-study comparisons. Researchers found that unifying detection methods is essential for developing a common understanding of microplastic prevalence and impact in terrestrial ecosystems.
Microplastics in soils: assessment, analytics and risks
This review examines microplastic prevalence, analytical methods, and risks in soils, finding that terrestrial microplastic contamination has received far less attention than marine accumulation despite comparable or greater abundance. Researchers evaluated current difficulties in soil microplastic sampling, isolation, and identification and called for standardised methodologies to assess ecological and human health risks.
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 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.
Investigating microplastic dynamics in soils: Orientation for sampling strategies and sample pre‐procession
This study develops improved methods for sampling and detecting microplastics in soil, addressing a major gap in current research. Standardized sampling strategies are essential because microplastic distribution in soil is highly variable, making it easy to miss contamination with inconsistent methods. Better detection protocols will help scientists accurately measure how much microplastic is accumulating in agricultural and natural soils.
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.
Analysis of microplastics in soil samples by using a thermal decomposition method
Researchers tested thermal decomposition as a method for extracting and identifying microplastics in soil samples, a particularly challenging matrix because organic matter interferes with optical detection methods. The approach showed promise for detecting and quantifying plastic content in complex soil environments.
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.
Innovations in analytical methods to assess the occurrence of microplastics in soil
This review summarizes emerging techniques for extracting, analyzing, and characterizing microplastics in soil, noting that soil matrix complexity makes standardized methods challenging. Researchers found that globally, soil microplastic concentrations ranged up to 690,000 particles per kilogram, though most data comes from China. The study highlights the urgent need for standardized analytical methods to enable meaningful comparison of microplastic soil contamination across different studies and laboratories.
Microplastic analysis in soils: A comparative assessment
Researchers compared six different analytical methods for detecting and measuring microplastics in soil, testing them across different soil types and plastic materials. Fluorescence microscopy achieved the highest recovery rates for larger particles, while mass-based techniques like pyrolysis gas chromatography were better suited for detecting very small microplastics. The study highlights that no single method works best for all situations, and combining techniques may be necessary for accurate microplastic assessment in soil.
Finding Microplastics in Soils: A Review of Analytical Methods
This review critically evaluates published methods for finding microplastics in soil — including density separation, chemical digestion, and spectroscopic identification — and proposes a standardized analytical framework suitable for the complex soil matrix.
Quality assessment of research studies on microplastics in soils: A methodological perspective
A methodological quality assessment of published soil microplastic studies identified widespread inconsistencies in extraction, identification, and reporting protocols that limit comparability and reliability of findings. The review recommends adoption of standardized quality criteria to improve the rigor and reproducibility of soil microplastic research.
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.
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.
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.
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.
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.