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Papers
61,005 resultsShowing papers similar to Microplastic isolation method for wastewater and sludge samples by removal of excess organic and inorganic interferences
ClearOptimization 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.
Validation of Sample Preparation Methods for Microplastic Analysis in Wastewater Matrices—Reproducibility and Standardization
Sample preparation methods for microplastic analysis in wastewater were validated against reference standards to assess recovery rates and reproducibility. The validation study identified methods that reliably extract microplastics from complex wastewater matrices, supporting more consistent environmental monitoring of microplastic discharge from treatment plants.
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.
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.
Microplastics extraction from wastewater treatment plants: Two-step digestion pre-treatment and application
Researchers developed an optimized two-step digestion method for extracting microplastics from wastewater treatment plant samples, achieving high recovery rates especially in organic-rich matrices like sludge, and applied it across multiple treatment stages.
Microplastic extraction protocols can impact the polymer structure
Researchers found that common laboratory extraction protocols used to isolate microplastics from environmental samples can alter the polymer structure of the particles, potentially skewing identification and quantification results.
Binary Solvent Extraction of Microplastics from Complex Environmental Matrix.
Researchers tested a two-solvent extraction method for isolating microplastics from complex environmental matrices. An efficient extraction technique is important for accurately detecting and quantifying microplastics in samples like sediment and biological tissue that contain many other organic and inorganic compounds.
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.
Optimised reduction of total solids and organic matter of sewage sludge matrix for an improved extraction of microplastics
Researchers optimized chemical digestion protocols for extracting microplastics from sewage sludge, finding that maximizing reduction of total solids and organic carbon content significantly improved the reliability and efficiency of subsequent density-based microplastic separation.
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.
Combined application of analytical techniques for microplastic determination to achieve comprehensive results for sewage sludge samples
Researchers combined multiple analytical techniques for comprehensive microplastic determination in sewage sludge samples, addressing the challenge that more than 90% of microplastics entering wastewater treatment plants are retained in sludge and require robust multi-method characterization.
Miscounting microplastics as a result of matrix molecules: optimizing identification and quantification of microplastics in natural freshwater systems
Researchers investigated how matrix molecules in environmental samples can cause miscounting of microplastics during identification, optimising analytical protocols to distinguish true microplastic particles from interfering compounds and improve the accuracy of microplastic quantification in environmental chemistry studies.
Combined application of analytical techniques for microplastic determination to achieve comprehensive results for sewage sludge samples
Researchers applied a combination of complementary analytical techniques to achieve comprehensive microplastic characterization in sewage sludge samples, addressing the limitations of using single methods for such complex matrices. They found that more than 90% of microplastics entering wastewater treatment plants are retained in the resulting sludge, and that combining analytical approaches improved detection across size ranges and polymer 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.
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 method for the characterisation of microplastics in sludge
Researchers developed a method for detecting and characterizing microplastics in sewage sludge, which concentrates the majority of microplastics removed during wastewater treatment. This method is important because sludge is widely spread on agricultural land, making it a key pathway for microplastics entering soils.
Extraction and identification of microplastic particles from secondary wastewater treatment plant (WWTP) effluent
A wastewater utility tested extraction and identification methods for microplastics in secondary wastewater effluent and found that matrix-related interferences — particularly organic material and particles of similar size to plastics — complicated reliable detection. The study emphasizes the methodological challenges unique to wastewater matrices.
Optimized ExtractionMethods for Pristine and AgedMicroplastics from Complex Water Samples
Researchers optimized extraction protocols for recovering both pristine and UV-aged microplastics from complex water matrices including seawater, wastewater, and drinking water, finding that aged MPs require different treatment conditions than pristine particles to achieve reliable recovery.
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.
Towards a Consensus Method for the Isolation of Microplastics from Freshwater Sediments
This paper works toward a consensus method for isolating microplastics from complex environmental matrices, comparing existing protocols and identifying sources of variability in recovery and detection. Standardization is identified as critical for making results comparable across studies.
Pretreatment methods for the isolation of microplastics from wastewater and sludge samples: Part 1
This article reviews pretreatment methods used to isolate microplastics from wastewater and sludge samples, covering the first part of a multi-part technical overview published in a Polish engineering journal. The review addresses the procedural steps required to separate microplastic particles from complex environmental matrices prior to identification and quantification.
Effects of chemical pretreatments on microplastic extraction in sewage sludge and their physicochemical characteristics
This study evaluated different chemical pretreatment methods for extracting microplastics from sewage sludge, finding that some treatments can alter the physical and chemical properties of plastic particles in ways that affect identification. Choosing the right extraction method is important for accurately characterizing microplastic contamination in biosolids.
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.
Rapid and efficient removal of organic matter from sewage sludge for extraction of microplastics
Researchers tested hydrogen peroxide combined with enzymatic treatment as an efficient method for removing organic matter from sewage sludge before microplastic extraction, overcoming the limitations of acid digestion for organic-rich matrices. The optimized approach improved MP recovery and reduced interference during spectroscopic identification steps.