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Papers
61,005 resultsShowing papers similar to Various Digestion Protocols Within Microplastic Sample Processing—Evaluating the Resistance of Different Synthetic Polymers and the Efficiency of Biogenic Organic Matter Destruction
ClearIdentifying a quick and efficient method of removing organic matter without damaging microplastic samples
Researchers compared common organic-matter digestion protocols used before microplastic detection, finding significant variation in removal efficiency and polymer damage, and recommending optimized methods to avoid underestimating microplastic counts.
Comprehensive assessment of various digestion protocols for extraction microplastics from organic-rich environmental matrices
Researchers tested 27 different chemical protocols for extracting microplastics from organic-rich samples like animal tissue, plants, soil, and sewage sludge. They identified the best digestion method for each sample type that removes organic matter while preserving the integrity of 26 different plastic types. The optimized protocols achieved recovery rates above 98%, offering a standardized approach for more accurate microplastic analysis across different environmental samples.
Developmentof Standardized Methods to Extract andDigest Microplastics in Environmental Samples
Researchers reviewed and compared extraction and digestion methods for isolating microplastics from environmental samples, finding that the lack of standardization across techniques is a major barrier to producing comparable results and calling for validated universal protocols.
Development of Standardized Methods to Extract and Digest Microplastics in Environmental Samples
Researchers tested 72 combinations of chemical extraction and digestion methods to find approaches that accurately recover microplastics from environmental samples without damaging them. They found that different density separation solutions and digestion reagents can significantly alter the physical and chemical properties of certain plastic types, particularly PET and polystyrene. The study provides practical guidance for selecting methods that preserve microplastic integrity during laboratory analysis.
Evaluation and optimisation of sample preparation protocols suitable for the analysis of plastic particles present in seafood
Ten digestion protocols for extracting microplastics from seafood were compared across a broad range of species, evaluating their ability to fully digest tissue without damaging polymer integrity, providing a basis for selecting suitable methods for human exposure assessment.
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.
Extraction of microplastic from biota: recommended acidic digestion destroys common plastic polymers
This study tested standard acidic tissue digestion protocols used to extract microplastics from marine organisms and found that the recommended nitric acid treatment destroyed certain common plastic types beyond recognition. The findings warn that protocols designed to remove biological tissue can inadvertently degrade the very microplastics researchers are trying to detect.
Optimization and application of pretreatment method of microplastics detection in municipal solid waste landfills
Researchers compared different pretreatment digestion methods for detecting microplastics in municipal solid waste landfill samples, establishing which protocols best remove organic matter without degrading the plastic particles themselves.
Isolation of microplastics in biota-rich seawater samples and marine organisms
Researchers developed and tested methods for extracting microplastics from seawater samples rich in biological material and from the tissues of marine organisms. They found that enzymatic digestion was the most effective and least destructive approach for isolating microplastics from biological samples, outperforming acid and alkaline treatments. The study provides improved laboratory protocols that will help scientists more accurately measure microplastic contamination in marine environments and wildlife.
Efficacy of chemical digestion methods to reveal undamaged microplastics from planktonic samples
Researchers compared several chemical methods for removing biological material from marine water samples so that microplastics associated with plankton can be accurately identified. They found that alkaline and oxidative digestion methods were the most effective at breaking down plankton while causing minimal damage to the microplastic particles themselves. The study contributes to standardizing laboratory techniques so that microplastic measurements across different research groups are more comparable and reliable.
Comparative study of matrix etching methods for the separation of microplastics from environmental samples
Researchers compared commonly used chemical methods for separating microplastics from environmental samples, testing different configurations of time, temperature, and agitation. They found that oxidative digestion with a high concentration of oxidant was the most effective approach for both bulk and compact sample types. The study provides practical guidance for selecting the most efficient and safe matrix etching method for microplastic extraction in environmental research.
An optimized acidic digestion for the isolation of microplastics from biota-rich samples and cellulose acetate matrices
Researchers optimized an acidic oxidative digestion protocol for isolating microplastics from biologically rich samples while preserving cellulose acetate plastics that are often destroyed by alkaline digestion, expanding the range of polymer types recoverable from environmental and biological matrices.
Microplastics on plankton samples: Multiple digestion techniques assessment based on weight, size, and FTIR spectroscopy analyses
This study compared KOH, hydrogen peroxide, and two-step digestion protocols for removing organic matter from plankton samples before microplastic analysis, finding that two-step protocols improved recovery but that all methods caused measurable changes in microplastic weight and size, necessitating protocol standardization.
Microplastic sample purification methods - Assessing detrimental effects of purification procedures on specific plastic types
Researchers assessed how common microplastic purification methods affect different polymer types, finding that acidic and alkaline digestion can degrade certain plastics like polycarbonate and polyamide, potentially leading to underestimation in environmental samples.
Optimising sample preparation for FTIR-based microplastic analysis in wastewater and sludge samples: multiple digestions
Researchers optimized sample digestion protocols for FTIR-based microplastic analysis in wastewater and sludge, finding that multiple sequential digestion steps improve removal of organic matter while minimizing polymer degradation.
Development and Validation of an Efficient Method for Processing Microplastics in Biota Samples
A new one-step laboratory method was developed to efficiently digest and extract microplastics from mussel and fish tissue samples. Standardized extraction methods are critical for making microplastic studies comparable across different labs and species.
Critical comparison of rapid methods for the extraction of microplastics from wastewater and investigation of a facile alternative
Researchers critically compared rapid extraction methods for microplastics from wastewater samples and investigated a facile alternative approach, evaluating how well established protocols perform on environmental samples relative to their original optimization conditions.
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.
Extracting and characterizing microplastics and nanoplastics from environmental samples
Researchers developed a standardized four-step extraction method for isolating and characterizing microplastics and nanoplastics from diverse environmental samples, encompassing predigestion, density separation, postdigestion, and postdensity separation steps to improve cross-study comparability.
Solvent-Based Elimination of Organic Matter from Marine-Collected Plastics
Researchers developed a solvent-based method to remove biofouling and organic matter from plastic litter collected from the marine environment before chemical analysis. Reliable protocols for cleaning marine plastics are important for accurately characterizing the types and properties of microplastics in ocean environments.
Enzymatic purification of microplastics in soil
An enzymatic purification method was evaluated for removing biogenic organic material from soil samples prior to microplastic identification. The approach improved the accuracy of microplastic detection by reducing interference from soil organic matter compared to conventional chemical digestion methods.
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.
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.
Enzymatic Purification of Microplastics in Environmental Samples
Researchers developed an enzymatic purification protocol to remove biological material from environmental samples before microplastic analysis, finding it improved the accuracy and reliability of microplastic identification and quantification.