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61,005 resultsShowing papers similar to Optimization of a protocol for the extraction and chemical characterization of microplastics in Chamelea gallina by Raman microspectroscopy
ClearOptimization of a protocol for the extraction and chemical characterization of microplastics in Chamelea gallina by Raman microspectroscopy
Researchers optimized an extraction and chemical characterization protocol for microplastics in bivalve molluscs, improving polymer identification through combined spectroscopic methods. The validated protocol provides a reliable approach for routine microplastic monitoring in shellfish used as bioindicators.
Optimization of an analytical method for the characterization of microplastics in clams using Raman microspectroscopy
Researchers developed and optimized an analytical method for extracting and characterizing microplastics from the clam Chamelea gallina using Raman microspectroscopy, selecting appropriate filters and evaluating recovery rates to maximize reliability. The method was applied to clam samples collected from the Adriatic Sea coast across the Marche, Abruzzo, and Molise regions of Italy to conduct a preliminary assessment of microplastic contamination levels.
Optimization of a protocol for the extraction and chemical characterization of microplastics in Chamelea gallina by Raman microspectroscopy
This study optimized a protocol for extracting and chemically characterizing microplastics in the striped venus clam (Chamelea gallina) using Raman microspectroscopy, addressing the challenge of analyzing microplastics in complex biological matrices for food safety and environmental monitoring.
Application of Raman microspectroscopy for the characterization of microplastics in clam Chamelea gallina
Researchers developed an extraction and filtration protocol using Raman microspectroscopy to characterize microplastics down to 1 μm in the clam Chamelea gallina, optimizing filter selection based on recovery rate, filtration time, readability, and cost.
Identification and quantification of microplastics in the clam Chamelea gallina using different analytical techniques
Researchers developed and compared protocols for extracting and quantifying microplastics in the clam Chamelea gallina using Raman microspectroscopy and analytical pyrolysis coupled with gas chromatography/mass spectrometry (Py-GC/MS), documenting the advantages and limitations of each analytical technique.
Evaluation of Exposure to Microplastics and Nanoplastics Associated with the Consumption of Clam Chamelea Gallina
This PhD research project developed analytical protocols using Raman spectroscopy and pyrolysis-GC/MS to quantify microplastics and nanoplastics in the clam Chamelea gallina, enabling a preliminary assessment of human dietary exposure from consuming this commercially important mollusc.
Improved Raman spectroscopy-based approach to assess microplastics in seafood
Researchers developed an improved Raman spectroscopy protocol for assessing microplastics in seafood, using green-lipped mussels and Japanese jack mackerel as test models. The study identified key methodological challenges in sample preparation and analysis, and proposed solutions that improve the accuracy and efficiency of microplastic identification in food products.
Study on Rapid Recognition of Marine Microplastics Based on Raman Spectroscopy
Researchers developed a rapid identification system for marine microplastics using Raman spectroscopy, enabling quick determination of plastic type and size. Fast, accurate identification tools are critical for monitoring the growing problem of microplastic pollution in ocean environments.
Investigating multiple vegetable oils and recycled variant for microplastics extraction from water, integrated with Raman spectroscopy
Researchers developed a novel oil-based method for extracting microplastics from water samples, testing multiple vegetable oils and a recycled oil variant. They optimized extraction conditions including oil type, salinity, temperature, and washing solutions to improve microplastic recovery and compatibility with Raman spectroscopy identification. The study offers a practical and accessible extraction technique that could make microplastic monitoring more widely available.
Development and optimization of a standard method for extraction of microplastics in mussels by enzyme digestion of soft tissues
Researchers optimized methods for digesting mussel soft tissue and extracting microplastics for analysis, finding that sodium hydroxide and enzymatic digestion both achieved high recoveries (~93%) while acid digestion damaged certain plastic types. The validated method provides a reliable protocol for monitoring microplastic contamination in commercially important bivalves.
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.
Evaluating microplastic contamination in Omani mangrove habitats using large mud snails (Terebralia palustris)
Researchers evaluated microplastic contamination in large mud snails (Terebralia palustris) from Avicennia marina mangrove ecosystems along the Sea of Oman using a modified combined digestion protocol and portable Raman spectroscopy. They found microplastics in 50% of examined snails, with fibres comprising 75.7% of particles, and significantly higher contamination in snails from the polluted Shinas lagoon compared to a marine protected area.
Determination of microplastics in the edible green-lipped mussel Perna viridis using an automated mapping technique of Raman microspectroscopy
Researchers used automated Raman microspectroscopy to identify and quantify microplastics in edible green-lipped mussels from Hong Kong mariculture zones. The study found microplastics in all sampled mussels, with fibers being the most common type, raising concerns about human dietary exposure given Hong Kong's high per-capita seafood consumption.
Analysis of microplastics of a broad size range in commercially important mussels by combining FTIR and Raman spectroscopy approaches
Researchers developed an approach combining FTIR and Raman spectroscopy to analyze microplastics across a broad size range in commercially important mussels. They found that using both techniques together captured a wider spectrum of particle sizes and polymer types than either method alone. The study provides a more complete picture of microplastic contamination in seafood and highlights the importance of using complementary analytical methods for accurate assessment.
Methodology for microplastics quantification in clams
Researchers developed a simplified methodology for extracting and quantifying microplastics from clam tissue, addressing the need for standardized protocols to assess microplastic accumulation in seafood that poses direct human exposure risk when consumed whole.
Raman Spectroscopy of Marine Microplastics - A short comprehensive compendium for the environmental scientists
Researchers produced a practical primer on Raman spectroscopy for non-specialist environmental scientists working with marine microplastics, covering instrument principles, sample preparation, spectral interpretation, and common challenges, aimed at improving the reliability and comparability of Raman-based MP identification.
Reliable methodologies to determine microplastics in mussels: Enhanced digestion protocols, transference to gold-coated filters and determination via laser-based transflectance infrared spectrometry
Researchers compared six digestion protocols for extracting microplastics from Mediterranean mussels (Mytilus galloprovincialis) and found enzymatic-oxidative digestion achieved the highest recovery (>90%), while a two-step alkaline-surfactant method offered a faster, cost-effective alternative. They also validated a transfer protocol to gold-coated filters for quantum cascade laser infrared analysis.
Protocol for extraction and analysis of microplastics in freshwater, sediment, and fish samples
Researchers developed a standardized protocol for extracting and identifying microplastics from freshwater, sediment, and fish digestive system samples, combining chemical digestion, density separation, vacuum filtration, and Raman spectroscopy to enable reliable, reproducible analysis across aquatic sample types.
Microplastic identification using Raman microsocpy
Researchers developed and implemented a Raman spectroscopy system for rapid detection and identification of microplastic particles on substrates. The system enables efficient chemical characterization of microplastics found across diverse environmental matrices including ocean, lakes, soil, beach sediment, and human blood.
Identification of microplastics using Raman spectroscopy: Latest developments and future prospects
This review summarizes the latest advances in using Raman spectroscopy to identify microplastics in environmental samples, highlighting improvements in speed, sensitivity, and the ability to characterize plastic type and surface chemistry.
Novel method for the extraction and identification of microplastics in ocean trawl and fish gut matrices
This paper presents a method for extracting and identifying microplastics from ocean trawl samples using ultrasonication and complementary analytical techniques including optical microscopy, SEM/EDS, FT-IR, and Raman spectroscopy. The multi-technique approach improves identification accuracy for small or ambiguous plastic particles.
How to Identify and Quantify Microplastics and Nanoplastics Using Raman Imaging?
This paper reviews advances in Raman imaging as a method for identifying and quantifying microplastics and nanoplastics in environmental samples, discussing current protocols, analytical challenges, and the need for standardization.
Prevalence of small-sized microplastics in coastal sediments detected by multipoint confocal micro-Raman spectrum scanning
Researchers developed a new micro-Raman spectrum scanning method to detect small-sized microplastics in coastal sediments, revealing that particles under 50 micrometers are the most prevalent and commonly overlooked by standard techniques.
Identification of Microplastics Using a Custom Built Micro-Raman Spectrometer
Researchers built a custom micro-Raman spectrometer and demonstrated its use for identifying microplastic polymer types in environmental samples, achieving sensitive and specific polymer identification at particle sizes down to a few micrometers.