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 Method for microplastics extraction from Lake sediments
ClearA straightforward protocol for extracting microplastics from freshwater sediment with high organic content
Researchers developed a simplified protocol for extracting microplastics from organic-rich clayey freshwater sediments. The method achieved recovery rates exceeding 83% for five common plastic types and minimized particle loss by reducing container transfers, offering a practical and effective approach for environmental monitoring.
A straightforward method for microplastic extraction from organic-rich freshwater samples
Researchers developed a streamlined method for extracting microplastics from organic-rich freshwater samples using centrifugation and enzymatic digestion. They found that the approach effectively concentrated microplastics while preserving their integrity and minimizing contamination, at lower cost than existing methods. The study offers a practical and accessible protocol for laboratories studying microplastic pollution in freshwater environments.
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.
Microplastic identification and quantification from organic rich sediments: A validated laboratory protocol
Researchers developed and validated a laboratory protocol for extracting, quantifying, and identifying microplastics from organic-rich sediments with fine grain sizes. The study addressed the challenge of analyzing microplastics in contamination hotspots like harbors and estuaries, where high organic content makes extraction difficult, and provided a cost-effective integrated method for more reliable environmental monitoring.
Validation of microplastic sample preparation method for freshwater samples
Researchers developed and validated a standardized sample preparation method for extracting microplastics from freshwater samples, testing enzymatic digestion and density separation steps to improve recovery rates and reduce measurement uncertainty across different particle types.
Protocol for microplastic pollution monitoring in freshwater ecosystems: Towards a high-throughput sample processing - MICROPLASTREAM
Scientists developed a standardized high-throughput protocol for processing freshwater microplastic samples, addressing the challenge that freshwater samples contain far more organic matter than seawater. Consistent, efficient processing methods are essential for generating comparable microplastic data across different rivers and lakes.
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.
Establishing freshwater sediment sample pretreatment methods for monitoring microplastics and its challenges
This review evaluates the various sample preparation methods used to extract microplastics from freshwater sediment, which contains more organic matter and debris than other environmental samples. Researchers compared different digestion, density separation, and filtration techniques and found that no single standardized approach exists. The study highlights the urgent need for consistent protocols so that microplastic monitoring results from different locations can be meaningfully compared.
Optimization of a method used for extracting microplastics from an organic matter-rich matrix and isolated particles assessment
Researchers optimized a method for extracting microplastics from sewage sludge — a challenging organic-rich matrix — by combining density separation and chemical digestion steps, improving recovery rates and enabling more accurate characterization of sludge-associated microplastics.
A density separation method for microplastics implemented to varved sediments of Lake Kallavesi, eastern Finland
This thesis developed and tested an improved density separation method to isolate microplastics from lake sediment cores, then applied it to a dated sediment archive from Lake Kallavesi in Finland. The method and sediment core data allow tracking of how microplastic pollution in Finnish lakes has changed over time.
Burial of microplastics in freshwater sediments facilitated by iron-organo flocs
Researchers found that iron-organo flocs in freshwater sediments facilitate the burial and long-term sequestration of microplastics by aggregating plastic particles with organic matter and iron minerals, identifying this aggregation mechanism as an important pathway controlling microplastic fate in lake sediments.
Extraction of microplastics from sediment matrices: Experimental comparative analysis
Extraction efficiencies of four methods for separating microplastics from sediment matrices were experimentally compared using spiked samples, finding that density separation with saturated NaCl was adequate for most polymer types but underperformed for high-density polymers, and that no single method achieved complete recovery across all particle sizes and shapes.
Oxidative purification of microplastics in riverine suspended matter samples — Solving the challenge of plant debris removal for microplastic analysis
This study developed an oxidative purification method to remove organic matter from riverine suspended sediment samples prior to microplastic analysis, enabling more accurate identification and quantification of plastic particles. The method improved detection sensitivity by reducing interference from natural organic material.
Microplastics everywhere: A review on existing methods of extraction
This review compiled and evaluated existing methods for extracting microplastics from environmental samples, including density separation, oil extraction, and other techniques, assessing their advantages and limitations across different environmental matrices.
Metodologia de extração de microplásticos associados a sedimentos de ambientes de água doce
This Brazilian study (in Portuguese) evaluated methods for extracting microplastics from aquatic sediment samples, comparing different protocols to improve analytical accuracy. Standardized extraction methods are essential for producing comparable microplastic data across different studies and regions.
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.
Comparison of pre-treatment methods and heavy density liquids to optimize microplastic extraction from natural marine sediments
Researchers compared multiple pre-treatment methods and density separation liquids for extracting microplastics from marine sediments, identifying optimised protocols that improved recovery rates and reduced contamination, supporting the development of more standardised monitoring approaches.
Microplastics in lakes and rivers: an issue of emerging significance to limnology
Researchers found that microplastic concentrations in freshwater lakes and rivers can exceed those of living organisms like zooplankton, with sediment levels matching the most contaminated marine sites, establishing microplastics as a significant issue for limnology.
Optimized ExtractionMethods for Pristine and AgedMicroplastics from Complex Water Samples
Researchers optimized extraction protocols for recovering both pristine and UV-aged microplastics from complex water matrices including seawater, wastewater, and drinking water, finding that aged MPs require different treatment conditions than pristine particles to achieve reliable recovery.
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.
Identification of Microplastics in Aquatic Environments Using Oxidative Treatment and Automated Image Analysis
Researchers developed a cost-effective and replicable method for detecting microplastics in freshwater environments using oxidative treatment to digest organic matter from water samples, enabling cleaner isolation and more accurate identification of MP particles without requiring expensive instrumentation.
Extraction of biodegradable microplastics from tissues of aquatic organisms
Researchers developed and validated a method for extracting biodegradable microplastics from tissues of aquatic organisms, finding that standard extraction protocols used for conventional plastics are insufficient and that enzymatic digestion combined with density separation is needed to recover these materials accurately.
The extraction of microplastics from sediments: An overview of existing methods and the proposal of a new and green alternative
This review assessed existing methods for extracting microplastics from sediment samples — including density separation, chemical digestion, and filtration — and proposed a green alternative extraction protocol using only salt solutions and enzymatic digestion, reducing chemical waste while achieving comparable recovery rates.
A novel method for organic matter removal from samples containing microplastics
Researchers developed a novel organic matter removal method for wastewater treatment plant sludge samples containing microplastics, demonstrating that the approach is more time- and cost-effective than existing techniques while preserving microplastic integrity for accurate quantification and identification.