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61,005 resultsShowing papers similar to Isolating microplastics from human milk: a chemical digestion approach for effective polymer extraction and ATR-FTIR analysis
ClearOptimizing hexane, KOH, and H2O2 methods for lipid removal and organic matter digestion in microplastic analysis of human milk
Researchers developed and optimized a method for isolating microplastics from human breast milk, a particularly challenging sample due to its high fat and protein content. Using a combination of hexane for lipid removal and potassium hydroxide and hydrogen peroxide for organic matter digestion, they were able to successfully extract and identify microplastic particles. The study provides a validated analytical approach that could help future research assess infant exposure to microplastics through breastfeeding.
Detection of diverse microplastic polymers in human breast milk
Researchers detected microplastics in human breast milk samples using ATR-FTIR spectroscopy, identifying a range of polymer types including polyethylene, polypropylene, and others, raising concerns about infant exposure to plastics during breastfeeding.
Sample 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.
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.
C01 | Validation of an analytical protocol for the isolation of microplastics and microfibers in milk: preliminary study of contamination in raw milk samples
Researchers validated an analytical protocol for isolating microplastics and microfibers from raw cow's milk samples, adapting digestion and filtration methods for the high-fat and protein content of dairy. The validated method detected MPs in preliminary milk samples, providing a foundation for dietary MP exposure assessment.
Optimizing Lipid Removal and Protein Digestion in Human Milk for Microplastic Analysis using Candida rugosa Lipase, KOH Digestion, and Hydrogen Peroxide Oxidation
This study developed a multi-step digestion method for extracting microplastics from human breast milk, combining enzymatic lipid removal, KOH protein digestion, and hydrogen peroxide oxidation, finding that extended enzymatic incubation times significantly improved microplastic extraction efficiency.
Sample Preparation Protocol for the Extraction and Raman analysis of Small Microplastics in Infant Milk Formula
Researchers developed a standardized sample preparation protocol for extracting and characterizing microplastics (1-1000 µm) from infant milk formula using chemical digestion to remove complex organic matrix components while preserving particle integrity for µ-Raman spectroscopy analysis.
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.
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.
Detection of Microplastics in Human Breast Milk and Its Association with Changes in Human Milk Bacterial Microbiota
Researchers detected microplastics in nearly 39% of breast milk samples from 59 mothers, with polypropylene and polyethylene being the most common types found. The presence of microplastics was linked to changes in the bacterial makeup of breast milk, raising concerns about early-life microplastic exposure in infants during breastfeeding.
Validation of an extraction method for microplastics from human materials
Researchers validated an extraction method for isolating microplastics from human and animal tissues, confirming that the procedure does not cause significant alteration to the plastic particles themselves.
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.
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.
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.
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.
Human Milk, Microplastics and Children's Health: An Equation to Be Solved
This review examined microplastic contamination in human breast milk, summarizing evidence of widespread MP detection and discussing the potential health consequences for infants whose primary food source in the first two years of life may contain plastic particles.
Microplastics in Brazilian milk: isolation and characterization
Brazilian researchers isolated and characterized microplastics from commercial milk samples, finding particles in all tested products across multiple polymer types, and raising concerns about microplastic contamination of dairy products through packaging and processing environments.
Microplastics, Polycyclic Aromatic Hydrocarbons, and Heavy Metals in Milk: Analyses and Induced Health Risk Assessment
Researchers detected microplastics, cancer-linked PAH chemicals, and heavy metals in multiple brands of commercial and raw milk samples. The microplastics were mostly fibers made of polyamide, polyurethane, and polyester, and children were estimated to consume up to four times more microplastics per unit of body weight than adults through milk consumption, highlighting dairy as an overlooked exposure route.
Solving a Sticky Situation: Microplastic Analysis of Lipid-Rich Tissue
Researchers developed and validated an optimized protocol for extracting and analyzing microplastics from lipid-rich biological tissues, addressing the challenge that standard enzymatic digestion methods leave fatty residues that interfere with microplastic detection and quantification.
Validation of multi-step analytical protocols for microplastics detection in lipid-rich matrices
This study developed and validated multi-step analytical protocols for detecting microplastics in lipid-rich food matrices, which require complex pretreatment steps that can compromise particle integrity. The validated method improved accuracy and reliability for microplastic detection in challenging food samples.
Süt Ve Süt Ürünleri̇nde Mi̇kroplasti̇k Varliği, Sağlik Üzeri̇ne Etki̇leri̇ Ve Mi̇kroplasti̇k Ayirma Yöntemleri̇
This review examines the presence of microplastics in milk and dairy products, the analytical separation methods used to detect them, and potential health effects associated with dairy-sourced microplastic exposure. The authors discuss how plastics used in dairy packaging and processing equipment degrade into microparticles that contaminate food products, posing a global public health concern.
Set up and validation of a method to analyse microplastics in stool and small intestine samples
Researchers developed and validated practical methods for extracting and identifying microplastics from human stool samples and pig intestinal tissue. Using gentle chemical and enzyme-based digestion followed by infrared spectroscopy, they successfully detected multiple polymer types including polyethylene, polypropylene, and polystyrene, providing tools for studying microplastic exposure in the human digestive system.
Optimization of an Analytical Protocol for the Extraction of Microplastics from Seafood Samples with Different Levels of Fat
Researchers optimized an analytical protocol for extracting microplastics from seafood samples with varying fat content, addressing a key methodological challenge in accurately quantifying microplastic contamination in marine food sources given the ubiquitous presence of plastic particles smaller than 5 mm in marine environments.
Methods for separating and extracting microplastics from food systems
This review examines methods for separating and extracting microplastics from food systems, addressing the challenge that inadequate collection and analysis methods have hindered accurate assessment of microplastic contamination in the food supply. The authors evaluate digestion, filtration, and spectroscopic identification protocols and identify best practices for standardizing microplastic analysis in diverse food matrices.