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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.
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.
Optimization of a protocol for the extraction and chemical characterization of microplastics in Chamelea gallina by Raman microspectroscopy
Researchers developed and optimized a protocol for extracting and chemically characterizing microplastics from bivalve molluscs, which are widely used as bioindicators of coastal water quality. The protocol improved recovery rates and polymer identification compared to previously used methods.
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.
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.
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.
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.
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.
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.
Limits of the detection of microplastics in fish tissue using stimulated Raman scattering microscopy
This study demonstrated the detection sensitivity of stimulated Raman scattering microscopy for identifying microplastic beads within fish tissue, characterizing how signal-to-noise ratio varies with particle size. The technique provided chemical contrast to distinguish different plastic types within biological tissue without destructive sample preparation.
Combining microcavity size selection with Raman microscopy for the characterization of Nanoplastics in complex matrices
Researchers developed a method combining enzymatic digestion, filtration, and Raman microscopy with microcavity size selection to extract and identify nanoplastic particles from salt-water mussel tissues, enabling detection of nanoplastics in the presence of complex biological matrices.
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.
Fast microplastics identification with stimulated Raman scattering microscopy
Stimulated Raman scattering microscopy was applied to rapidly identify and image microplastic particles in complex environmental samples at speeds dramatically faster than conventional Raman spectroscopy. The technique has potential to enable high-throughput microplastic analysis that could make large-scale environmental monitoring more feasible.
Raman Microspectroscopy: Improvement in Signal Generation and Collection to Facilitate Raman Spectroscopy
Advances in Raman microspectroscopy were reviewed for improving signal generation and analysis in microplastic identification, including new detector designs and data processing algorithms. Enhanced Raman spectroscopy capabilities enable faster and more accurate polymer identification at smaller particle sizes.
Raman spectroscopy: Recent advances in fast and reliable microplastic analysis
This review summarized recent advances in Raman spectroscopy for fast and reliable microplastic identification, covering improvements in speed, sensitivity, and automation that are making the technique more practical for routine environmental monitoring. Raman-based methods are increasingly able to identify microplastics in complex environmental matrices including biological tissues.
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.
Raman Imaging Spectroscopy: History, Fundamentals and Current Scenario of the Technique
This review covers the history and principles of Raman imaging spectroscopy, a technique increasingly used to identify and map the chemical composition of microplastics in environmental samples. The review provides technical context for one of the most important tools in microplastic analysis.
Detection of microplastics in a digested complex organic medium by Raman Tweezers
Researchers used Raman tweezers to optically trap and identify individual polystyrene microbeads within a complex biological medium produced by digesting mussels. This technique shows that optical trapping can detect microplastics in challenging biological matrices relevant to food safety monitoring.
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.
Molecular identification of polymers and anthropogenic particles extracted from oceanic water and fish stomach – A Raman micro-spectroscopy study
Researchers applied Raman micro-spectroscopy to identify plastic polymers in Pacific Ocean trawl samples and fish stomach contents, finding polyethylene and polypropylene as the dominant types while demonstrating that many particles visually suspected as plastic were actually non-polymer biological material — underscoring the necessity of chemical verification.
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.