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Papers
61,005 resultsShowing papers similar to Sample Preparation Protocol for the Extraction and Raman analysis of Small Microplastics in Infant Milk Formula
ClearSample Preparation Protocol for the Extraction and Raman analysis of Small Microplastics in Infant Milk Formula
Researchers published a standard operating procedure for extracting microplastics from infant milk formula using optimized chemical digestion steps to remove proteins, fats, and carbohydrates while preserving microplastic integrity for subsequent µ-Raman spectroscopy identification.
Detection and characterization of small-sized microplastics (≥ 5 µm) in milk products
Researchers developed a new micro-Raman methodology to detect and characterize microplastics as small as 5 micrometers in milk products, identifying polyethylene and polystyrene particles in tested samples and providing a reliable analytical approach for food contamination assessment.
Raman Microspectroscopy Detection and Characterisation of Microplastics in Human Breastmilk
Researchers used Raman spectroscopy to detect and characterize microplastics in human breast milk samples for the first time. They found microplastic particles in the samples, confirming that nursing infants can be exposed to microplastics through breastfeeding. This pilot study highlights the need for larger investigations into how microplastics in breast milk might affect infant health during a critical period of development.
Rapid sample preparation to detect microplastics in baby milk powder
This study developed a rapid sample preparation method to detect microplastics in baby milk powder, addressing the absence of standardized procedures for food matrices. The method enables faster monitoring of microplastic contamination at a critical point of human dietary exposure, particularly for infants.
Rapid sample preparation to detect microplastics in baby milk powder
Researchers developed a rapid sample preparation protocol for detecting microplastics in baby milk powder, addressing the absence of standardized methods for quantifying plastic particles in infant food products. The method provides a practical approach for monitoring microplastic contamination at a critical dietary exposure point for the most vulnerable age group.
Development and validation of analytical methods to detect small microplastics (10 -100 µm) in infant formula milk powder
Researchers developed and validated analytical methods to detect small microplastics in milk, addressing the challenge of analyzing particles in a complex food matrix. The validated methods confirmed microplastic presence in dairy products and provide tools for routine food safety monitoring.
Isolating microplastics from human milk: a chemical digestion approach for effective polymer extraction and ATR-FTIR analysis
Researchers developed and evaluated a chemical digestion method for isolating microplastics from human breast milk, addressing the challenges posed by the high fat and protein content of this matrix. The method enabled ATR-FTIR polymer identification of MPs extracted from milk samples, providing a validated protocol for studying infant dietary MP exposure.
Development and validation of analytical methods to detect small microplastics (10 -100 µm) in infant formula milk powder
Researchers developed and validated analytical methods for detecting small microplastics in milk, addressing the need for standardized food safety monitoring given that milk is a dietary staple consumed across all age groups. Methods were validated for sensitivity, recovery, and reliability to support future regulatory monitoring frameworks.
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.
Feasibility of Raman and FTIR spectroscopy for direct microplastic search in the human milk samples: Comparative qualitative study
Researchers tested whether infrared and Raman spectroscopy could detect microplastics directly in human breast milk without harsh chemical processing that might damage the samples. They found these methods can serve as a useful screening tool for common plastics like polyethylene and polystyrene in milk, which matters because breast milk is a direct route of microplastic exposure for infants.
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.
Protocol for extraction and analysis of microplastics in freshwater, sediment, and fish samples
Researchers developed a standardized protocol for extracting and identifying microplastics from freshwater, sediment, and fish digestive system samples, combining chemical digestion, density separation, vacuum filtration, and Raman spectroscopy to enable reliable, reproducible analysis across aquatic sample types.
A Robust Multistep Digestion Method for Microplastics Detection in Human Tissue by MicroRaman Analysis
Researchers developed and optimized a robust three-day digestion protocol for extracting microplastics from nine types of human tissue, including brain, lung, liver, and placenta. The method combined Fenton oxidation, enzymatic digestion with proteinase K, and lipid removal through ethanol sonication, achieving clear filtrates while preserving common polymer types. The protocol enabled successful microplastic detection at the 1-micrometer scale using micro-Raman spectroscopy across all tested tissue types.
Development of an optimal filter substrate for the identification of small microplastic particles in food by micro-Raman spectroscopy
Researchers developed an optimal filter substrate for micro-Raman spectroscopy identification of microplastics in food samples, enabling reliable detection of particles down to 1 µm by improving the spectral quality obtained when analysing particles directly on the filter surface.
Validation and Optimization of an Effective Oxidation and Digestion Method for Isolating Microplastics from Source and Treated Drinking Water Matrices
Researchers systematically evaluated and optimized seven oxidation and digestion methods for isolating microplastics from drinking water and source water before Raman spectroscopy analysis. Having a standardized, validated extraction method is critical for accurate measurement and comparability of microplastic contamination data in drinking water supplies.
Report on the harmonised Standard Operating Procedures (SOPs) of the developed SMPs (10 μm - 100 μm) characterisation methods in terms of: (i) chemical identity of the SMPs polymer type; (ii) physical particle characterisation and quantification, size distribution and particle morphologies; and (iii) quantification of the mass fraction in complex matrices.
Researchers harmonised standard operating procedures for characterising small microplastics (10-100 μm) in infant milk powder and suspended particulate matter, using thermo-analytical and spectroscopic methods including μ-FTIR, μ-Raman, and py-GC/MS to assess chemical identity, particle size, and mass fraction.
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 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.
Optimization of a protocol for the extraction and chemical characterization of microplastics in Chamelea gallina by Raman microspectroscopy
This study optimized a protocol for extracting and chemically characterizing microplastics in the striped venus clam (Chamelea gallina) using Raman microspectroscopy, addressing the challenge of analyzing microplastics in complex biological matrices for food safety and environmental monitoring.
Analysis of microplastics in drinking water and other clean water samples with micro-Raman and micro-infrared spectroscopy: minimum requirements and best practice guidelines
Researchers compiled best-practice guidelines for detecting and quantifying microplastics in drinking water using micro-Raman and micro-infrared spectroscopy, establishing minimum requirements for sample preparation, measurement parameters, and data reporting to improve comparability across studies.
Practical guidelines and challenges in the isolation and characterization of microplastics/microfibers by Raman microscopy
Researchers addressed common challenges encountered when using Raman microscopy to analyze microplastics and microfibers, aimed at scientists who may not have specialized spectroscopy expertise. They provided practical guidelines on particle isolation, substrate selection, and spectral interpretation to improve the reliability of microplastic identification. The study emphasizes that proper sample preparation and analytical technique are critical for accurate microplastic characterization.
Analysis of microplastics in food, mineral water and in mineral water process lines by FTIR and Raman microspectroscopy
Researchers developed standardised sampling protocols and analytical methods using FTIR and Raman microspectroscopy to detect microplastic particles below 10 µm in beverages, soluble foods, and mineral water production lines. The study traced sources and entry pathways of microplastics into food products and identified preventive measures applicable to industrial processing environments.
Development of automated microplastic identification workflow for Raman micro-imaging and evaluation of the uncertainties during micro-imaging
Researchers developed an automated identification workflow for Raman micro-imaging of microplastics, validating it with artificial samples of known polymer microspheres and showing that the workflow reliably identifies plastic type and estimates particle size across a range of sizes.
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.