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61,005 resultsShowing papers similar to Interlaboratory Comparison Reveals State of the Art in Microplastic Detection and Quantification Methods - Supporting Information
ClearInterlaboratory Comparison Reveals State of the Art in Microplastic Detection and Quantification Methods - Supporting Information
This study presents supporting information for a large-scale interlaboratory comparison involving more than 50 laboratories worldwide, assessing the state of the art in microplastic detection and quantification methods. The supplementary data includes detailed performance comparisons of µ-FTIR, µ-Raman, and other techniques for measuring PE and PET microplastics across different size classes.
Interlaboratory Comparison Reveals State of the Art in Microplastic Detection and Quantification Methods
This large international study compared how 84 laboratories around the world performed when identifying and measuring microplastics using five common detection methods. The results showed significant differences between labs, with spectroscopy-based methods generally outperforming heat-based techniques for accuracy. The findings highlight that standardized methods are urgently needed so that microplastic measurements in food, water, and the environment can be reliably compared across studies.
Analytical tools in advancing microplastics research for identification and quantification across environmental media: from sample to insight
Researchers reviewed the analytical tools most commonly used for identifying and quantifying microplastics, focusing on FTIR and Raman spectroscopy as the two primary methods. The review compared their strengths and limitations and provided guidance for choosing between them based on particle size, sample matrix, and research objectives.
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.
Implications of method- and instrument-based size detection limits in μFTIR-based microplastic analysis
This study quantified how both instrument detection limits and methodological choices in micro-FTIR analysis affect reported microplastic concentrations, finding these factors substantially influence numerical results and urging standardization before cross-study comparisons are made.
Characterization Techniques for Quantifying Environmental Microplastics
This book chapter reviews the analytical methods used to detect, identify, and quantify microplastics across different environmental media — water, sediment, air, and biota — covering techniques like FTIR spectroscopy, Raman spectroscopy, and electron microscopy. A standardized, well-validated toolkit for characterizing microplastics is foundational to producing comparable data across the thousands of studies now being conducted worldwide.
Feasibility of using quantitative 1H-NMR spectroscopy and ultra-microbalances for investigation of a PET microplastic reference material
Researchers validated quantitative NMR spectroscopy and ultra-microbalances as complementary tools for measuring PET microplastic mass in reference materials, finding both methods produced consistent results within standard deviations — supporting their use in large-scale inter-laboratory comparisons.
Accuracy assessment of a micro-Raman spectroscopy method for small microplastic particles in infant milk formula
Researchers conducted an interlaboratory comparison to assess the accuracy of micro-Raman spectroscopy for detecting small microplastics (5-100 micrometers) in infant milk powder. The study achieved high recovery rates of 82-88% using PET reference materials, confirming the method's accuracy and reproducibility across laboratories, supporting efforts to standardize microplastic monitoring in food safety.
Comprehensive analysis of common polymers using hyphenated TGA-FTIR-GC/MS and Raman spectroscopy towards a database for micro- and nanoplastics identification, characterization, and quantitation
Researchers developed a comprehensive analytical method combining multiple spectroscopy techniques to identify and quantify 35 common plastic types found as micro and nanoplastics in the environment. The resulting database serves as a reference standard for consistently detecting plastic pollution across different studies and sample types. This work addresses a critical gap in standardizing how microplastic contamination is measured worldwide.
Inter-instrument definition of valid criteria for the automatic identification of microplastics by micro-Raman spectroscopy
Researchers developed a standardized methodology for automatically identifying microplastics using micro-Raman spectroscopy across different laboratory instruments. They determined optimal match algorithms and threshold values that achieved a 95% true positive rate with minimal false positives, even when spectra were collected on different spectrometers. The study addresses a key barrier to reliable, reproducible microplastic identification in environmental and health research.
Current techniques for identifying, quantifying, and characterizing micro and nanoplastics with emphasis on strengths, limitations, and challenges
Researchers reviewed current analytical techniques for identifying, quantifying, and characterizing micro- and nanoplastics across environmental matrices. The review highlights the strengths and limitations of methods including FTIR, Raman spectroscopy, and pyrolysis-GC/MS, and calls for standardization to improve comparability across studies.
A review of analytical techniques for quantifying microplastics in sediments
This review evaluated the wide range of analytical techniques currently used to measure microplastics in sediment samples, including visual sorting, FT-IR, and Raman spectroscopy. The authors highlight the lack of standardization across studies as a major barrier to comparing results and propose criteria for method selection.
Microplastics: Detection methods-An update
This review provides an updated overview of methods for detecting and quantifying microplastics, covering techniques from fluorescent dye labeling to advanced spectroscopy. Researchers describe the strengths and limitations of FTIR, Raman spectroscopy, and pyrolysis-GC/MS, noting that each method offers different capabilities for sizing and identifying polymer types. The study highlights the need for standardized detection methods as microplastic contamination has been found in food, water, and human organs.
Analytical tools in advancing microplastics research for identification and quantification across environmental media: from sample to insight
This review surveys analytical techniques used in microplastic research, covering sampling, extraction, and identification methods including FTIR, Raman spectroscopy, and pyrolysis-GC/MS, highlighting trade-offs between throughput, sensitivity, and particle size detection limits.
Microplastics, an Emerging Concern: A Review of Analytical Techniques for Detecting and Quantifying Microplatics
This review surveyed analytical methods for detecting and quantifying microplastics published from 2000 to 2018, covering visual identification, spectroscopic, and pyrolysis-based techniques across environmental, food, and biological matrices. The authors identify the lack of standardized methods as a major barrier to generating comparable data on microplastic prevalence and health implications.
Application of Raman spectroscopy for the analysis of microplastics in food and beverages: a comprehensive review
This review analyzed 56 studies published over the past decade that used Raman spectroscopy to detect microplastics in food and beverages. Researchers found that while the technique is effective for identifying the size, shape, and chemical composition of microplastics, there is significant variation in how different labs conduct their analyses. The study calls for more standardized methods to enable reliable comparisons of microplastic contamination levels across different food products.
Inter-equipment reliable identification of microplastics by micro-FTIR using low computational resources
Researchers developed a low-computational-resource method for reliable microplastic identification by micro-FTIR spectroscopy that performs consistently across different instruments. The approach, funded under the EU PlasticTrace metrology project, addresses inter-equipment variability — a major barrier to harmonized microplastic monitoring — enabling more comparable results across laboratories.
A comparison of spectroscopic analysis methods for microplastics: Manual, semi-automated, and automated Fourier transform infrared and Raman techniques
Researchers compared manual, semi-automated, and fully automated methods for identifying microplastics using FTIR and Raman spectroscopy. They found that the semi-automated approach was the best balance of accuracy and efficiency, detecting 22% more microplastic particles than manual analysis while taking less time. The fully automated method was fastest but had an 80% false positive rate, while Raman microscopy was better for very small particles but took nine times longer.
Inter-equipment reliable identification of microplastics by micro-FTIR using low computational resources
Researchers developed a low-computational-resource method for reliable microplastic identification by micro-FTIR spectroscopy that performs consistently across different instruments. The approach, funded under the EU PlasticTrace metrology project, addresses inter-equipment variability — a major barrier to harmonized microplastic monitoring — enabling more comparable results across laboratories.
Identification and morphological characterization of different types of plastic microparticles
Researchers used multiple complementary techniques to identify and characterize the morphology and polymer composition of different types of plastic microparticles. They compared methods including optical microscopy, scanning electron microscopy, and spectroscopic analysis to evaluate their reliability. The study provides practical guidance for standardizing microplastic identification protocols, which is important for producing comparable results across different research laboratories.
Analysis of environmental microplastics by vibrational microspectroscopy: FTIR, Raman or both?
This study reviewed analytical methods for environmental microplastic analysis using vibrational microspectroscopy — comparing FTIR, Raman, and related techniques — and provided guidance on method selection for different sample types and research questions.
The 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.
Recent perspectives of microplastic analysis from sampling to characterization
Researchers reviewed the full workflow for detecting and identifying microplastics across different environments — water, sediment, wildlife, and wastewater — comparing sample preparation methods and analytical tools like infrared and Raman spectroscopy. They found that inconsistent methods across studies make it hard to compare results, and call for more standardized protocols to improve the reliability of microplastic monitoring.
A Critical Review on Current Challenges in the Analysis of Microplastics in Food Samples
This review identifies and evaluates the key analytical challenges in detecting and measuring microplastics in food — from sample digestion and extraction to identification using FTIR, Raman spectroscopy, and scanning electron microscopy. The authors highlight that the four most commonly found polymer types in food are polyethylene, polystyrene, PET, and polypropylene, and that method inconsistencies make it difficult to compare results across studies. Improving standardized analytical protocols is critical for accurate dietary exposure assessment and for understanding the true health risks of microplastic ingestion through food.