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Papers
61,005 resultsShowing papers similar to Raman Spectroscopic Detection of Silicone Leakage in Human Breast and Lymph Node Tissues
ClearLocalisation and identification of polystyrene particles in tissue sections using Raman spectroscopic imaging
Researchers developed a Raman spectroscopic imaging method to localize and identify polystyrene microplastic particles directly within tissue sections, enabling in-situ detection without fluorescent labeling and making environmental sample analysis feasible.
Raman imaging for the analysis of silicone microplastics and nanoplastics released from a kitchen sealant
Advanced Raman imaging with 50 nm pixel scanning was used to identify and characterize silicone microplastics and nanoplastics released from a kitchen sealant, demonstrating that common household silicone products can release significant quantities of micro and nanoplastic particles.
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.
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.
Raman microspectroscopy and laser-induced breakdown spectroscopy for the analysis of polyethylene microplastics in human soft tissues
Researchers developed a combined technique using Raman microspectroscopy and laser-based analysis to detect polyethylene microplastics in human soft tissue samples. The method can identify both the plastic polymer and any associated inorganic elements in tissue. This kind of detection tool is important for understanding whether microplastics accumulate in specific human organs and what health effects they might have.
Label-free human-disease characterization through circulating cell free DNA analysis using Raman Spectroscopy
Not relevant to microplastics — this study uses Raman spectroscopy to analyse cell-free DNA in blood as a diagnostic tool for cancer and diabetes, with no connection to microplastic research.
Raman Spectroscopic Imaging of Human Bladder Resectates towards Intraoperative Cancer Assessment
Researchers used Raman spectroscopy imaging to distinguish between healthy and cancerous human bladder tissue without the need for chemical stains or labels. The technique successfully identified cancer regions in tissue samples from ten patients, using advanced data analysis to map molecular differences. While not directly related to microplastics, this spectroscopy method is also used in microplastic research and demonstrates the power of label-free chemical imaging in medical applications.
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.
A review of recent progress in the application of Raman spectroscopy and SERS detection of microplastics and derivatives
This review covers advances in using Raman spectroscopy and surface-enhanced Raman spectroscopy (SERS) to detect and identify microplastics in the environment. These techniques offer high resolution and sensitive detection that can identify specific plastic types even at very small sizes. Better detection methods are essential for understanding the true extent of microplastic contamination and its potential risks to human health.
Study on Rapid Recognition of Marine Microplastics Based on Raman Spectroscopy
Researchers developed a rapid identification system for marine microplastics using Raman spectroscopy, enabling quick determination of plastic type and size. Fast, accurate identification tools are critical for monitoring the growing problem of microplastic pollution in ocean environments.
Raman Imaging Spectroscopy: History, Fundamentals and Current Scenario of the Technique
This review covers the history and principles of Raman imaging spectroscopy, a technique increasingly used to identify and map the chemical composition of microplastics in environmental samples. The review provides technical context for one of the most important tools in microplastic analysis.
Label-free stimulated Raman scattering imaging of intracellular microplastics in mammalian cells
Researchers used label-free stimulated Raman scattering imaging to visualize microplastic uptake and distribution inside mammalian cells without fluorescent labels, finding that intracellular microplastics were associated with elevated reactive oxygen species, reduced cell viability, and altered lipid metabolism.
Raman spectroscopy: Recent advances in fast and reliable microplastic analysis
This review summarized recent advances in Raman spectroscopy for fast and reliable microplastic identification, covering improvements in speed, sensitivity, and automation that are making the technique more practical for routine environmental monitoring. Raman-based methods are increasingly able to identify microplastics in complex environmental matrices including biological tissues.
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: 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.
Raman spectroscopy: Recent advances in fast and reliable microplastic analysis
This review covered recent advances in Raman spectroscopy for fast and reliable microplastic analysis, with emphasis on its ability to characterize small particles that can penetrate living tissues. The authors highlight improvements in speed and sensitivity that are making Raman techniques more practical for environmental monitoring.
Identification of microplastics using Raman spectroscopy: Latest developments and future prospects
This review summarizes the latest advances in using Raman spectroscopy to identify microplastics in environmental samples, highlighting improvements in speed, sensitivity, and the ability to characterize plastic type and surface chemistry.
Quantitative analysis of microplastics in water by Raman spectroscopy: influence of microplastic concentration on Raman scattering intensities
Researchers investigated quantitative Raman spectroscopy for detecting microplastics directly in water, finding that Raman scattering intensities varied with concentration for both PVC spheres (40-100 um) and PE spheres (40-48 um) dispersed in de-ionized water at 0.1-1.0 wt%.
Advancements in optical techniques for direct identification and localization of micro- and nanoplastics in biological samples
This review surveyed advances in optical techniques for detecting and localizing microplastics directly in biological tissue samples, addressing the challenge that human tissue detection has not kept pace with detection in environmental matrices. Emerging methods including Raman microspectroscopy and CARS microscopy were identified as most promising for tissue-level microplastic identification.
Applications of Raman spectroscopy for microplastic detection and characterization: a comprehensive spectral reference
This review evaluates Raman spectroscopy as a tool for detecting and identifying microplastics across water, soil, air, and biological samples. The study consolidates reference spectra for common plastic polymers and discusses recent innovations like surface-enhanced Raman techniques that improve detection sensitivity, while also addressing challenges like fluorescence interference in complex samples.
Microplastic and nanoplastic analysis in drinking water and indoor air with Raman micro-spectroscopy
Raman micro-spectroscopy was used to detect and characterize micro- and nanoplastics in drinking water and indoor air, demonstrating the technique's value for assessing human exposure to plastic particles across multiple environments.
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.
Advancements in optical techniques for direct identification and localization of micro- and nanoplastics in biological samples
Researchers reviewed advanced optical methods for directly detecting and localizing microplastics in biological tissues, highlighting techniques that can identify particles without extraction or digestion. Optical approaches including Raman mapping and coherent anti-Stokes Raman scattering allow spatial mapping of microplastics in tissue sections.
Raman-spektroskopische Charakterisierung von Zellen und Gewebe nach Exposition mit Nanoplastik
Researchers exposed human monocytic THP-1 cells, trophoblasts, and placenta cells to primary and secondary nanoplastic particles at 100 particles/cell in sizes of 200 nm and 60 nm, then used confocal laser scanning microscopy and Raman microspectroscopy to locate and characterize intracellular nanoplastics.