We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
20 resultsShowing papers similar to Not all microplastics are created equal. Quantifying efficacy bias and validation of density separation methods
ClearNot all microplastics are created equal. Quantifying efficacy bias and validation of density separation methods
Researchers evaluated and validated density separation methods for extracting microplastics from environmental matrices, quantifying efficacy bias across different polymer types with varying densities. They found that recovery rates differ substantially depending on polymer density relative to the separation solution, introducing systematic bias in microplastic concentration estimates across studies.
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.
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.
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.
Efficacy of Microplastic Separation Techniques on Seawater Samples: Testing Accuracy Using High-Density Polyethylene
Scientists tested four common methods for separating microplastics from seawater samples and found that each method recovered different amounts and types of particles. Standardizing separation methods is critical for making microplastic concentration data comparable across different studies.
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.
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.
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.
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.
Comparision protocols for extraction of microplastics in water samples
Researchers compared four different extraction protocols for isolating microplastics from water samples and found significant differences in efficiency and accuracy across methods. Standardized extraction protocols are critical for producing comparable microplastic abundance data across studies. Without consistent methodology, it is difficult to build a reliable global picture of microplastic contamination levels in water.
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.
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.
Extraction of microplastic from marine sediments: A comparison between pressurized solvent extraction and density separation
Researchers compared pressurized solvent extraction against density separation for extracting microplastics from marine sediments, evaluating the efficiency, accuracy, and practicality of each method to help establish consensus analytical protocols for deep-sea and coastal sediment samples.
Comparison between two methods for microplastic separation from sandy sediments
Researchers compared two density-based methods for separating microplastics from sandy sediments, evaluating their performance on beach sand and mangrove soil samples. The study assessed the advantages and disadvantages of each approach to identify the most suitable method for large-scale in-situ monitoring programs.
Comparison of different methods for MP detection: What can we learn from them, and why asking the right question before measurements matters?
This comparative study evaluated several different analytical methods for detecting and measuring microplastics, finding that the choice of method significantly affects results. The authors emphasize that choosing the right method depends on the specific research question, and that standardization is essential for comparing data across studies.
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.
Are we underestimating floating microplastic pollution? A quantitative analysis of two sampling methodologies
A quantitative analysis of 67 microplastic studies compared bulk water sampling with trawl-based methods, finding substantial differences in reported concentrations depending on the technique used. The study warns that inconsistent sampling methodology leads to underestimates of microplastic pollution and hinders cross-study comparisons.
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.
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.
Influence of sediment texture on HDPE microplastics recovery by density separation
This study examined how sediment texture — specifically grain size — affects the recovery of high-density polyethylene microplastics from sediment samples using density separation. Finer sediments retained more microplastics and reduced extraction efficiency. Matching extraction protocols to sediment type is essential for accurate microplastic quantification in environmental samples.