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Papers
61,005 resultsShowing papers similar to Feasibility study for simple on-line Raman spectroscopic detection of microplastic particles in water using perfluorocarbon as a particle-capturing medium
ClearInvestigating multiple vegetable oils and recycled variant for microplastics extraction from water, integrated with Raman spectroscopy
Researchers developed a novel oil-based method for extracting microplastics from water samples, testing multiple vegetable oils and a recycled oil variant. They optimized extraction conditions including oil type, salinity, temperature, and washing solutions to improve microplastic recovery and compatibility with Raman spectroscopy identification. The study offers a practical and accessible extraction technique that could make microplastic monitoring more widely available.
Visualization and characterisation of microplastics in aquatic environment using a home-built micro-Raman spectroscopic set up
Researchers built an affordable micro-Raman spectroscopy system capable of identifying microplastics in water samples, offering a low-cost alternative to expensive commercial equipment. The system could visualize, measure, and chemically identify different types of microplastic particles. This kind of accessible detection technology is important, especially for developing countries, because widespread monitoring of microplastic pollution in water sources is essential for protecting public health.
A beaker method for determination of microplastic concentration by micro-Raman spectroscopy
This study developed a faster way to measure microplastic concentrations in water by analysing Raman spectral signals directly in solution, skipping the laborious pre-treatment steps required by traditional methods. The concentration of polyethylene particles was found to correlate predictably with Raman signal intensity using a Langmuir model, enabling a simpler field-ready monitoring approach. Rapid detection tools like this are important for tracking microplastic contamination in drinking water and marine environments.
Microplastics Detection in Streaming Tap Water with Raman Spectroscopy
Researchers demonstrated that Raman spectroscopy can detect and identify microplastic particles in streaming tap water in real time, offering a rapid non-destructive method for monitoring plastic contamination in drinking water.
Flow Raman Spectroscopy for the Detection and Identification of Small Microplastics
Researchers developed a new method using flow Raman spectroscopy to detect and identify individual microplastic particles as small as 4 micrometers while they move through water. Unlike current methods that require complex sample preparation, this technique could work in real time for monitoring food and drinking water quality. The method can distinguish between different plastic types even after they have been weathered by the environment.
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.
Microfluidic Detection and Analysis of Microplastics Using Surface Nanodroplets
Researchers developed a microfluidic device that uses tiny surface droplets to capture and analyze microplastics as small as 10 micrometers from water samples. The captured particles can be examined under a microscope and identified by type using Raman spectroscopy without removing them from the device. The method offers a simpler, faster, and more affordable way to detect small microplastics compared to conventional filtration techniques.
Microfluidics-based electrophoretic capture and Raman analysis of micro/nanoplastics
Researchers developed a microfluidics-based electrophoretic capture system combined with Raman spectroscopy analysis to detect and characterize micro- and nanoplastics from aquatic ecosystems, exploiting differences in polymer composition to improve identification accuracy.
Rapid MicroplasticDetection Using High-ThroughputScreening Raman Spectroscopy
Researchers developed a high-throughput screening Raman spectroscopy system for rapid microplastic detection, overcoming the traditional tradeoff between spatial resolution, field of view, and analytical throughput to enable faster identification of plastic particles across environmental samples with low concentrations.
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.
High-throughput Raman platform for microplastics detection on filtration membranes
Researchers developed a high-throughput line-scan Raman imaging platform combining mosaic scanning spectroscopy and optical microscopy to detect and characterise microplastics >=10 µm on 47 mm diameter filtration membranes. By integrating deep learning segmentation algorithms for automated polymer classification and size distribution analysis, the platform completes full filter analysis within one hour, representing a substantial advance over conventional approaches for environmental and industrial microplastic monitoring.
Microextraction based on microplastic followed by SERS for on-site detection of hydrophobic organic contaminants, an indicator of seawater pollution
Researchers used microplastics as a sampling tool combined with surface-enhanced Raman scattering to detect and measure a toxic organic pollutant (fluoranthene) in seawater. This approach could offer a portable, cost-effective way to monitor water contamination in the field.
Raman spectroscopic quantification of polyethylene particles in water using polydimethylsiloxane-coated nickel foam as a particle-capturing platform
Researchers developed a polydimethylsiloxane-coated nickel foam platform for capturing and quantifying polyethylene microplastic particles from water using Raman spectroscopy, achieving a 97.6% particle capture efficiency compared to 69.5% with bare nickel foam.
A critical analysis on the limits and possibilities of the μ-Raman as a routine method for microplastics determination in drinking water
This critical analysis examined the limits and practical possibilities of micro-Raman spectroscopy as a routine tool for microplastic identification, assessing throughput, detection limits, and the conditions under which it provides reliable polymer characterization.
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.
Optical detection of microplastics in water
Researchers developed a low-cost portable Raman spectrometer prototype costing less than $370 for detecting microplastics in water. The device successfully detected microplastics at concentrations below 0.015% w/v, suggesting it could serve as an accessible monitoring tool for microplastic contamination in drinking water and environmental samples worldwide.
Development of a low-cost Raman spectroscopy platform for high-throughput analysis
Researchers developed a low-cost, high-throughput Raman spectroscopy platform combining a CNC stage, USB microscope, and Raman probe for automated microplastic analysis, validating the system by scanning polypropylene microplastics scattered on glass filters across defined sample areas.
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%.
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.
Fluorescence-Guided Raman Spectroscopy with an Integrated Adapter for Faster and Cost-Effective Microplastic Detection
A fluorescence-guided Raman spectroscopy system with integrated adaptive optics was developed to improve detection of microplastics in complex environmental matrices. The instrument advances the sensitivity and speed of microplastic identification, supporting more thorough environmental monitoring.
Detection of microplastics based on spatial heterodyne Raman spectroscopy
Researchers developed a spatial heterodyne Raman spectroscopy method for detecting microplastics, offering advantages over existing techniques by reducing detection time, lowering false detection rates, and using more affordable equipment.
Rapid identification of micro and nanoplastics by line scan Raman micro-spectroscopy
Researchers developed a faster Raman spectroscopy tool for identifying microplastic particles by scanning a line rather than a single point at a time, improving imaging speed by 10 to 100 times over conventional methods. This allows the same chemical identification and size characterization of microplastics across large sample areas in a fraction of the time. Faster analysis methods are critical for processing the large numbers of samples needed in environmental monitoring programs.
Using optimized particle imaging of micro-Raman to characterize microplastics in water samples
Researchers developed a micro-Raman automatic particle identification technique that can characterize microplastics in water samples up to 100 times faster than traditional point-by-point detection methods, while maintaining high precision for identifying polymer types, sizes, and morphologies.
A microfluidic chip enables fast analysis of water microplastics by optical spectroscopy
Researchers integrated a microfluidic chip with Raman and infrared spectroscopy to rapidly identify and characterize microplastics in drinking water, reducing analysis time compared to conventional methods.