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Papers
20 resultsShowing papers similar to Frequency domain fluorescence lifetime imaging microscopy: A new method to directly identify microplastics in water.
ClearA promising method for fast identification of microplastic particles in environmental samples: A pilot study using fluorescence lifetime imaging microscopy
Researchers piloted fluorescence lifetime imaging microscopy as a fast method for identifying microplastic particles in environmental samples. The study suggests this technique could simplify microplastic analysis by potentially eliminating the need for extensive extraction steps, enabling more direct identification of plastic particles in complex matrices.
Rapid and reliable detection of microplastics in drinking water using fluorescence microscopy
Researchers developed a fluorescence-based method for rapid detection and quantification of microplastics in drinking water, addressing the need for faster and more practical monitoring tools. The method achieved high sensitivity and allowed polymer discrimination without requiring expensive spectroscopic instrumentation.
Label-free identification and differentiation of different microplastics using phasor analysis of fluorescence lifetime imaging microscopy (FLIM)-generated data
Researchers developed a label-free method using fluorescence lifetime imaging microscopy (FLIM) combined with phasor analysis to identify and differentiate multiple types of microplastics based on their unique fluorescence lifetime signatures, enabling more efficient microplastic characterization without chemical staining.
Rapid and reliable detection of microplastics in drinking water using fluorescence microscopy
This study developed a rapid and reliable fluorescence-based method for detecting microplastics in drinking water, addressing the need for faster alternatives to time-consuming conventional analytical approaches. The method demonstrated high sensitivity and specificity for common plastic polymers in drinking water matrices.
Fast and portable fluorescence lifetime analysis for early warning detection of micro- and nanoplastics in water
Researchers developed a portable fluorescence-based system that can detect micro- and nanoplastics in water without any sample preparation or labeling. The method works by measuring the natural fluorescence lifetime of plastic particles using a pulsed laser, achieving detection limits as low as 0.01 mg/mL. The study presents a promising early-warning tool for rapid, on-site monitoring of plastic contamination in water sources.
First-line detection of PET and PVC microplastics in water using a portable fluorescence lifetime platform
Researchers demonstrated that a portable fluorescence lifetime analysis (FLA) device can rapidly screen for PET and PVC microplastics in water suspensions at concentrations as low as 0.01 mg/mL. The label-free method is much cheaper than conventional detection approaches, enabling cost-effective tiered environmental monitoring.
A Rapid Method for Detecting Microplastics Based on Fluorescence Lifetime Imaging Technology (FLIM)
Researchers developed a rapid microplastic detection method using fluorescence lifetime imaging technology (FLIM) with phasor analysis. The study successfully identified four types of microplastics, both Nile red-stained and unstained, by their unique fluorescence lifetime signatures. The findings suggest that FLIM-based phasor analysis could provide a faster and more accurate approach for microplastic identification compared to conventional spectroscopic methods.
A New Optical Method for Quantitative Detection of Microplastics in Water Based on Real-Time Fluorescence Analysis
Researchers developed a new fluorescence-based particle counter for real-time quantitative detection of microplastics in water, validating the method against FTIR analysis on wastewater treatment plant samples containing polyethylene and PVC particles.
Optical measurement technologies for detecting low levels of pollution and identifying microplastics in water
Researchers reviewed optical technologies for detecting and identifying microplastics in water, experimentally characterizing the fluorescence spectra of PE and PET microplastic samples under 365 nm excitation and identifying spectral bands enabling identification of different polymer types, then proposing a comprehensive hardware solution using a fluorescent probe for microplastic visualization.
Identification of different plastic types and natural materials from terrestrial environments using fluorescence lifetime imaging microscopy
Researchers tested a microscopy technique called fluorescence lifetime imaging (FD-FLIM) to quickly identify and distinguish microplastics from natural materials like soil particles, finding that a 445 nm light excitation was best for telling plastic types apart — potentially offering a faster alternative to slow, labor-intensive microplastic analysis methods.
Real-Time Quantification of Microplastics in Aquatic Systems via Fluorescence Microscopy
Researchers developed a real-time fluorescence microscopy method capable of quantifying microplastics in aquatic systems with high precision, providing a faster and more accessible tool for monitoring microplastic contamination in drinking water reservoirs.
A non-contact in situ approach for detecting fluorescent microplastic particles in flowing water using fluorescence spectroscopy
Researchers developed a non-contact in situ method combining fluorescence spectroscopy and interferometric particle imaging to detect, characterise, and classify fluorescent polypropylene microplastic particles in flowing water.
Preliminary Results From Detection of Microplastics in Liquid Samples Using Flow Cytometry
Researchers developed a novel flow cytometry approach for in-situ detection and quantification of microplastics in liquid samples using fluorescent staining, testing nine polymer types under controlled laboratory conditions. The method offers a high-throughput alternative to traditional time-consuming microplastic detection protocols that risk sample contamination.
A Selective Ratiometric Fluorescent Probe for No-Wash Detection of PVC Microplastic
Researchers developed a selective ratiometric fluorescent probe for detecting PVC microplastics without sample washing, offering a simpler and faster method than current spectroscopic approaches for identifying this specific polymer type in water.
In Situ Fluorescent Illumination of Microplastics in Water Utilizing a Combination of Dye/Surfactant and Quenching Techniques
Researchers developed an in situ fluorescent microplastic detection method using a nonpolar dye combined with surfactant to form nanoscale dye particles that selectively adsorb onto and penetrate plastic polymer matrices in water, then quenched free dye fluorescence using aniline to enable direct visualization of stained microplastics without filtration.
Revolutionizing microplastic detection in water through quantum dot fluorescence
Researchers developed a quantum dot fluorescence-based detection system for microplastics in water, achieving sensitive and rapid identification of multiple polymer types with lower detection limits and faster analysis times than conventional spectroscopic methods.
Polymer Sorting Through Fluorescence Spectra
Identifying which type of plastic a particle is made of is a key step in microplastics research, and this study explored using fluorescence spectroscopy as a faster, cheaper alternative to standard methods. By exposing six common polymers to different light wavelengths and analyzing their fluorescence signatures, the researchers found combinations of wavelengths that could reliably distinguish between plastics like polystyrene, polyamide, and polypropylene. This technique could streamline polymer identification in large-scale environmental monitoring programs.
Quantitative Detection of Microplastics in Water through Fluorescence Signal Analysis
Researchers developed an automatic, portable fluorescence-based system for quantitative detection of microplastics in water, using dye-stained particles flowing through a laser beam to enable fast and objective counting without manual microscopy.
Real-time detection of label-free submicron-sized plastics using flow-channeled differential interference contrast microscopy
Researchers developed differential interference contrast microscopy for real-time label-free detection of submicron plastics in water, overcoming bright-field microscopy limits.
Excitation–Emission Fluorescence Mapping Analysis of Microplastics That Are Typically Pollutants
Researchers introduced a two-dimensional fluorescence excitation-emission mapping method for identifying common microplastics including polystyrene, PET, and polypropylene. Unlike conventional fluorescence approaches that use a single excitation wavelength, this technique captures spectral fingerprints across a range of wavelengths for more reliable identification. The method offers a non-destructive, label-free alternative for detecting microplastic contamination.