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61,005 resultsShowing papers similar to Microplastic quantification in Sabellaria reefs: a validated protocol for extraction from biogenic agglutinated matrices
ClearFirst attempt to quantify microplastics in Mediterranean Sabellaria spinulosa (Annelida, Polychaeta) bioconstructions
Researchers found microplastics concentrated within the reef-like structures built by the tube worm Sabellaria spinulosa along the Italian Adriatic coast, with higher abundance and different particle shapes inside the bioconstruction than in the surrounding seafloor sediment. This suggests that the physical architecture of biogenic reefs can act as a trap for microplastic pollution, with potential consequences for the organisms living in and around these coastal habitats.
Optimisation of Small Microplastic Extraction and Quantification from Marine Tissues
Scientists developed a better way to find and count tiny plastic particles (called microplastics) inside sea creatures like mussels. This is important because these plastic pieces can build up in seafood that people eat, but until now it was hard for researchers to detect the smallest particles. The improved method will help scientists better track plastic pollution in our food chain and understand potential health risks.
A new analytical approach for monitoring microplastics in marine sediments
Researchers developed a new analytical approach for monitoring microplastics specifically in marine sediments, improving extraction and identification steps to enable more reliable and standardized environmental monitoring of seafloor contamination.
Quantitative evaluation of microplastics in colonies of Phragmatopoma caudata Krøyer in Mörch, 1863 (Polychaeta-Sabellariidae): Analysis in sandcastles and tissues and identification via Raman spectroscopy
Researchers found microplastics embedded in the sand tubes and body tissues of Phragmatopoma caudata, a tube-building marine worm that constructs its home from sand grains. This study shows that filter-feeding and sediment-associated organisms incorporate microplastics into their structures, spreading plastic contamination through marine ecosystems.
Extraction and identification of microplastics from mussels: Method development and preliminary results
Scientists developed and validated a method for extracting and identifying microplastics from mussel tissue, then applied it to measure contamination in commercially harvested mussels. The method produced reliable, reproducible results, providing a practical tool for monitoring microplastic levels in one of the world's most widely consumed shellfish.
New techniques for the detection of microplastics in sediments and field collected organisms
Researchers developed new techniques for detecting microplastics in sediment samples and for collecting particles in the field, improving the reliability and sensitivity of methods used to monitor environmental microplastic contamination.
Microplastics in coral reef sediments underestimated? They may hide in biominerals
Standard lab methods for measuring microplastics in coral reef sediments may significantly undercount them because particles can become trapped inside calcium carbonate biominerals, which are typically ignored in processing. By adding an acid digestion step to dissolve the biominerals, this study found substantially more microplastics, suggesting current estimates of plastic contamination in reef environments are likely too low.
Abundance of microplastic in different coastal areas using Phragmatopoma caudata (Kroyer in Morch, 1863) (Polychaeta: Sabelariidae) as an indicator
Researchers used reef-building worms (Phragmatopoma caudata) as biological indicators to compare microplastic contamination across different coastal areas in Brazil. By analyzing the worms' tube structures and surrounding sediment, they found varying levels of microplastics that reflected local pollution sources. The study suggests these filter-feeding organisms can serve as practical tools for monitoring microplastic pollution along coastlines.
DEVELOPMENT OF A NOVEL PROTOCOL FOR THE EXTRACTION OF SMALL MICROPLASTICS (1-5 µm) FROM BIOLOGICAL TISSUES
Researchers developed a novel extraction protocol to isolate and quantify small microplastics (1–5 µm) from biological tissues, addressing a major gap in marine contamination studies. The method improves detection of these hard-to-analyze particles, which are more likely to penetrate cells and accumulate in organisms.
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.
Microplastics extraction from oyster tissue v1
Researchers developed and validated a protocol for extracting microplastics from oyster tissue, addressing the challenges of isolating plastic particles from a complex biological matrix that includes lipids, proteins, and mineral content. The method enables reliable quantification of microplastic contamination in bivalves — a widely consumed seafood and established bioindicator of coastal pollution — supporting standardised monitoring of microplastic uptake in marine food species.
Improved microplastic processing from complex biological samples using a customized vacuum filtration apparatus
Researchers developed a customized vacuum filtration apparatus to improve the processing of microplastics from complex biological marine samples, addressing longstanding methodological barriers in accurately separating and quantifying particles smaller than 5 mm. The system aims to reduce contamination and sample loss that have hindered standardization across microplastic monitoring studies in both abiotic and biotic compartments.
Microplastic pollution in the littoral environment: insights from the largest Mediterranean Sabellaria spinulosa (Annelida) reef and shoreface sediments
Researchers measured microplastic concentrations in and around a rare Mediterranean bioconstruction reef — the largest Sabellaria spinulosa polychaete reef in the Mediterranean — along the southern Adriatic coast of Italy. The western side of the site had significantly higher microplastic levels, driven by coastal currents rather than the reef-building activity itself, with PET fibers as the dominant type. The findings reveal that polychaete reefs act as temporary microplastic traps, accumulating contamination in ways that could harm these fragile and ecologically important benthic habitats.
Sampling, Isolating and Identifying Microplastics Ingested by Fish and Invertebrates *
This methodological review critically evaluated sampling, isolation, and identification techniques for microplastics ingested by fish and invertebrates, identifying common sources of error including contamination during processing, particle loss, and misidentification — and recommending standardized protocols.
Abundance and distribution of small microplastics (≤ 3 μm) in sediments and seaworms from the Southern Mediterranean coasts and characterisation of their potential harmful effects.
Researchers quantified very small microplastics (≤3 µm) in sediment and marine worms from multiple sites along the southern Mediterranean coast and described their morphological and chemical characteristics, finding widespread contamination at sizes typically overlooked by standard methods.
Investigation of Detection Method for Nanoplastics in Shellfish
Researchers investigated detection methods for nanoplastics in shellfish, evaluating analytical techniques capable of identifying and quantifying nanoscale plastic particles in bivalve tissues. The study addresses the methodological challenges of isolating and characterizing nanoplastics from complex biological matrices.
When shelter is not a refuge: Reporting microplastic abundance in European (France) Sabellaria alveolata reef ecosystems
Researchers measured microplastic contamination in Sabellaria alveolata biogenic reefs and adjacent sediments at two French Atlantic coast sites, finding fiber-dominated accumulation of 0.81–1.73 items per gram, with reef structure and local hydrodynamics determining whether MPs concentrate preferentially within the reef or distribute uniformly with surrounding sediments.
Matrix Matters: novel insights for the extraction, preparation, and quantitation of microplastics in a freshwater mesocosm study
Researchers developed improved methods for extracting, preparing, and quantifying secondary microplastics in freshwater mesocosm studies, addressing the current lack of reliable extraction techniques needed for robust microplastic exposure and risk assessments.
A Basis for Standardization: Optimizing Sampling Methods and Quantities for Accurate Microplastic Assessment in a Marine Environment
Scientists studied the best ways to find and count tiny plastic pieces (microplastics) in ocean water and beach sand, since these plastics can harm sea life and potentially affect the food we eat from the ocean. They found that researchers need to collect at least 30 grams of sand and 10 liters of water to get accurate counts of how much plastic pollution is really there. Getting these measurements right is important because it helps us understand how much plastic pollution is entering our food chain through seafood.
Detection, counting and characterization of nanoplastics in marine bioindicators: a proof of principle study
Researchers demonstrated a proof-of-concept workflow for detecting and counting nanoplastic particles (below 1 µm) in marine invertebrate tissues using electron microscopy and spectroscopic confirmation, finding nanoplastics in marine bioindicator species and establishing a methodology for future monitoring programs.
Marine microplastic: Preparation of relevant test materials for laboratory assessment of ecosystem impacts
Researchers developed methods to prepare environmentally realistic marine microplastic test materials from weathered plastic litter for laboratory ecotoxicology studies, addressing the limitation that most prior research used pristine, homogeneous plastics that do not reflect real-world microplastic complexity.
An optimized procedure for extraction and identification of microplastics in marine sediment
Scientists developed an improved method for extracting and identifying microplastics from marine sediment using a sodium bromide-zinc chloride solution combined with infrared imaging. Reliable extraction and identification methods are essential for accurately measuring microplastic contamination in seafloor sediments.
Microplastics in seafood: Benchmark protocol for their extraction and characterization
Researchers developed a benchmark protocol for extracting and characterizing microplastics from seafood samples, providing standardized methods to improve consistency and comparability across studies measuring human dietary exposure.
An inverse cell culture model for floating plastic particles
Scientists developed an "inverse cell culture" model using floating plastic particles to better simulate how marine organisms interact with buoyant microplastics, addressing a technical challenge in lab-based toxicity testing. This novel experimental approach could improve the relevance of in vitro studies for understanding real-world microplastic exposures.