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Papers
61,005 resultsShowing papers similar to Reference materials for microplastics in environmental matrices
ClearThe use of reference material in microplastic research: general aspects
This paper discussed general considerations for using certified reference materials in microplastic research, arguing that standardized reference materials are essential for ensuring that measurements are reproducible and comparable across different laboratories and studies. The lack of such standards remains a major limitation in the field.
Innovative reference materials for method validation in microplastic analysis including interlaboratory comparison exercises
Researchers developed innovative reference materials for validating microplastic analysis methods, presenting interlaboratory comparison results that support quality assurance and standardization in the growing field of microplastic detection.
Preparation of a reference material for microplastics in water—evaluation of homogeneity
Researchers developed a candidate reference material for microplastics in water and evaluated its homogeneity, finding it suitable for use in laboratory intercomparison studies and as a tool for validating microplastic analytical methods.
A novel proof of concept approach towards generating reference microplastic particles
This paper presented a proof-of-concept approach for generating standardized reference microplastic particles to improve comparability across analytical methods. The lack of consistent reference materials has been a key barrier to producing reliable and comparable microplastic research data.
Small micro- and nanoplastic test and reference materials for research: Current status and future needs
This review highlights the critical shortage of well-characterized, environmentally relevant reference materials for studying small microplastics and nanoplastics. Most laboratory studies use commercially available spherical particles that do not represent the irregular, weathered particles found in nature. The authors call for developing standardized reference materials that better mimic real-world microplastic contamination to improve the reliability of exposure and hazard assessments.
Preparation and Analysis of Standard Microplastics
Researchers prepared and characterized standard microplastic samples from synthetic textiles, finding that microfilaments shed by fabrics are the dominant form and proposing methods for creating consistent reference materials for environmental monitoring studies.
A novel proof of concept approach towards generating reference microplastic particles
Researchers developed a new method for creating standardized reference microplastic particles that can be embedded in a dissolvable matrix in precise, known quantities. Current microplastic research suffers from a lack of consistent reference standards, making it difficult to compare results across different laboratories and methods. The approach could significantly improve the quality and comparability of microplastic measurements in environmental studies.
Preparation and analysis of standards containing microfilaments/microplastic with fibre shape
Researchers developed and validated reference standards containing synthetic textile microfilaments for use in laboratory analysis of microplastics. Standardized reference materials are essential for ensuring that analytical methods for detecting textile-derived microplastics are accurate and comparable across different labs.
Are we really producing environmentally relevant reference materials for microplastic studies?
This study evaluated whether laboratory-produced microplastic reference materials used in research adequately represent the physical and chemical properties of particles found in natural environments. Results found substantial differences between commercially available reference materials and environmentally weathered microplastics, undermining the ecological relevance of studies using pristine materials.
Do We Speak the Same Language for Reference Particles in Microplastic Research?
This paper argues that the microplastics research community lacks agreement on standardized reference particles for laboratory experiments, making it difficult to compare results across studies. The authors call for consensus on definitions and materials to improve the reproducibility and policy relevance of microplastic research.
Development of new microplastic reference particles for usage in pre-defined numbers
This study developed new microplastic reference particles with defined numbers of particles per unit, addressing the lack of standardized reference materials that has hampered comparability across microplastic research studies and analytical methods.
EasyMP: Diverse and Environmentally Relevant Microplastic Reference Materials Encompassing Fragments and Fibers
Researchers developed and validated a set of commercially available microplastic reference materials called EasyMP, including fragments (10–100 µm) and fibers (50–1000 µm) suspended in ethanol. Repeatability testing showed relative standard deviations of 9–10%, making these materials suitable for standardizing MP analysis across laboratories.
Analytical challenges associated with the determination of microplastics in the environment
This commentary discusses the significant analytical challenges involved in detecting and quantifying microplastics in environmental matrices, highlighting issues of contamination, standardization, and the complexity of characterizing a diverse range of plastic fragments and fibers.
Challenge for the detection of microplastics in the environment
This review examines the major challenges in detecting and quantifying microplastics across different environmental matrices, including sampling inconsistencies, contamination risks, and limitations of current analytical methods. Addressing these methodological challenges is essential for producing reliable data on microplastic pollution levels worldwide.
A comprehensive toolkit for micro- to nanoplastic analysis
This review presents a unified analytical toolkit integrating mass-based, particle-based, and morphology-based approaches to enable reliable detection, quantification, and standardization of micro- and nanoplastics across diverse environmental matrices. The framework is intended to improve comparability across studies and support robust monitoring of plastic pollution.
Are we really producing environmentally relevant reference materials for microplastic studies?
This study critically evaluated whether current laboratory-produced microplastic reference materials adequately represent the properties of microplastics found in real environments, examining particle morphology, chemical composition, and surface characteristics. Significant gaps were identified between commercially available reference materials and environmentally relevant particles, limiting the ecological realism of ecotoxicology studies.
Standard Practice for Development of Microplastic Reference Samples for Calibration and Proficiency Evaluation in All Types of Water Matrices with High to Low Levels of Suspended Solids
This ASTM standard practice provides procedures for creating reference microplastic particle samples for use in calibrating and evaluating microplastic detection methods. Standardized reference materials are essential for ensuring that different laboratories produce consistent and comparable microplastic measurement results.
Quantifying micro- and nanoplastics
This work addresses methodological approaches for quantifying micro- and nanoplastics in environmental samples, examining analytical techniques, sampling strategies, and measurement challenges. The publication is part of the international research literature on standardizing plastic particle detection and quantification methods.
Laboratory Methods for the Analysis of Microplastics in the Marine Environment: Recommendations for quantifying synthetic particles in waters and sediments.
This guidance document reviewed laboratory methods for analyzing microplastics in marine environmental samples, providing standardized recommendations to improve comparability and quality across monitoring programs.
Advanced Techniques for Sampling, Quantification, and Characterization of Microplastics
This review chapter covers the full workflow of microplastic analysis — from sampling strategies and extraction methods through identification, quantification, and characterization techniques — and emphasizes the need for standardized protocols across different environmental matrices and biological samples. Without consistent methods, results from different studies cannot be reliably compared, making it harder to understand the true scale of microplastic contamination. Methodological standardization is considered a foundational requirement for advancing the field.
Microplastics in the environment: Challenges in analytical chemistry - A review
This review examined the analytical chemistry challenges of detecting and characterizing microplastics in environmental samples, highlighting ongoing issues with standardization, method sensitivity, and comparability across studies.
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 critical comparison of the main characterization techniques for microplastics identification in an accelerated aging laboratory experiment
This paper critically compared the main spectroscopic and microscopic characterization techniques used to identify microplastics in environmental samples, evaluating their strengths, limitations, and suitability for different matrices. The review highlighted the need for standardized methods to improve comparability across microplastic studies.
Methods for sampling, processing, identification,and quantification of microplastics in the marine environment
This paper reviews and compares the various methods used to collect, process, identify, and quantify microplastics across different environmental samples. It highlights the lack of standardized protocols as a major obstacle to comparing results across studies and calls for methodological harmonization.