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61,005 resultsShowing papers similar to Simple screening of microplastics in bottled waters and environmental freshwaters using a novel fluorophore
ClearRapid 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.
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.
A new method for counting and sizing microplastic particles in water: investigating the presence of microplastics in Iranian bottled water
Researchers developed a novel method for counting and sizing microplastic particles in bottled water using Nile Red fluorescent staining combined with direct microscopic counting. Testing Iranian bottled water brands revealed widespread microplastic contamination, with the new method providing a faster and more accessible alternative to spectroscopic identification for routine bottled water monitoring.
Frequency domain fluorescence lifetime imaging microscopy: A new method to directly identify microplastics in water.
Researchers evaluated frequency-domain fluorescence lifetime imaging microscopy (FD-FLIM) as a method to identify ABS, PC, PET, PS, and PVC granulates directly in a 1 cm water layer without filtration or drying. The study found that all five polymer types could be unambiguously identified by their fluorescence lifetimes, establishing FD-FLIM as a promising rapid label-free technique for direct microplastic detection in aqueous samples.
A rapid-screening approach to detect and quantify microplastics based on fluorescent tagging with Nile Red
Researchers developed a rapid fluorescent screening method using Nile Red dye to detect and quantify microplastics in environmental samples, finding it significantly faster than conventional methods while maintaining reasonable accuracy.
Fluorescent Tagging of Polymer Particles with PBN for the Detection of Microplastics in Personal Care Goods
Researchers used fluorescent labeling to detect microplastic particles in personal care products, a common but undermonitored source of plastic pollution. The method proved effective for identifying small polymer particles in consumer goods.
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.
A cost-effective and efficient fluorescence staining agent for the identification of microplastics in environmental samples and zebrafish (Danio rerio)
Researchers identified and validated a cost-effective fluorescent staining agent for labeling microplastic particles in environmental samples, demonstrating that the dye provided high specificity for plastic polymers with minimal background fluorescence in complex matrices.
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 versatile and innovative fluorescent staining reagent for identification of nine types of microplastics: Applications to environmental waters, soil, milk, and biological systems
Researchers developed HTPQ, a novel fluorescent staining reagent that selectively identifies nine types of microplastics (including LDPE, PU, PA, PP, HDPE, PET, PVC, MDPE, and PAN) within 15 minutes via strong green fluorescence, and demonstrated its effectiveness across environmental water, soil, milk, and biological sample matrices.
Facile detection of microplastics from a variety of environmental samples with conjugated polymer nanoparticles
Researchers developed a quick and straightforward method for detecting microplastics in environmental samples using fluorescent conjugated polymer nanoparticles. The technique can identify microplastic particles across a range of sample types without requiring complex laboratory equipment. This approach could make microplastic monitoring more accessible and practical for routine environmental testing.
Innovative application of Nile Red (NR)-based dye for direct detection of micro and nanoplastics (MNPs) in diverse aquatic environments
Researchers developed a method using Nile Red fluorescent dye in n-heptane to directly detect micro- and nanoplastics in diverse water types without prior extraction or processing, achieving sensitive detection of polystyrene, PET, and latex microspheres. The approach offers significant time savings compared to conventional detection methods.
Fluorogenic hyaluronan nanogels for detection of micro- and nanoplastics in water
Researchers developed fluorogenic hyaluronan nanogels that bind selectively to micro- and nanoplastic surfaces in water and become brightly emissive upon binding, enabling sensitive fluorescence-based detection of plastic particles in environmental water samples.
Coumarin 6 staining method to detect microplastics
Researchers developed a fluorescence staining method using coumarin 6 dye to detect microplastics, offering a simpler and lower-cost detection approach compared to spectroscopic methods while maintaining adequate specificity for identifying plastic particles in environmental samples.
A rapid and portable fluorescence spectroscopy staining method for the detection of plastic microfibers in water
A fluorescent dye (PTSA) that selectively binds to synthetic polymers was developed into a portable, low-cost method for detecting microfibers in fresh, estuarine, and seawater samples, validated against FTIR and fluorescence microscopy. The technique could help researchers and regulators monitor microplastic fiber pollution quickly and affordably in the field, especially in under-resourced settings.
Efficient and Scalable Detection of Microplastics in Drinking Water Using Fluorescence High‐Content Imaging
Researchers developed a rapid, high-throughput fluorescence imaging method using Nile Red staining and machine learning to detect microplastics in bottled drinking water. They found microplastic concentrations up to 152,000 particles per liter, with over 90% of detected particles in the 1-5 micrometer range that falls below current regulatory thresholds. The findings highlight that existing drinking water regulations focusing on particles larger than 20 micrometers may be missing the vast majority of microplastic contamination.
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 photoluminescence strategy for detection nanoplastics in water and biological imaging in cells and plants
Researchers developed a fluorescent probe that can rapidly detect nanoplastics in water samples down to very low concentrations. The probe works by binding to nanoplastic surfaces through electrical and chemical interactions, which causes it to glow, enabling both detection and visual tracking in cells and plant tissues. This tool could help scientists better monitor nanoplastic contamination in water and understand how these tiny particles move through living organisms.
Fluorescent technique to detect microplastics in a natural matrix using Methylene blue and Nile red
Researchers tested methylene blue fluorescent staining as a low-cost technique for detecting microplastics in complex natural matrices such as sediment and biological tissue, finding the method provided sufficient contrast for visual identification without requiring expensive spectroscopic equipment.
A 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 detection of nanoplastics and small microplastics by Nile-Red staining and flow cytometry
Researchers developed a rapid method for detecting nanoplastics and small microplastics by combining Nile-Red fluorescent staining with flow cytometry. The technique can quantify plastic particles in the 0.6 to 15 micrometer range in just 90 seconds, which is hundreds of times faster than conventional spectroscopic methods. The approach showed high detection efficiency for polyethylene, polyvinylchloride, and polystyrene, offering a practical tool for environmental nanoplastic monitoring.
An AIE-based fluorescent dye for selective staining of polyamide microplastics without pretreatment: Applications to environmental samples and zebrafish
Scientists developed a new fluorescent dye (BEM) that selectively lights up polyamide (nylon) microplastics in complex environmental samples — river water, seawater, and soil — without any sample pretreatment. The dye was also used to track where polyamide microplastics accumulate inside living zebrafish, offering a practical and low-cost tool for identifying one of the most common types of synthetic fiber pollution in both the environment and in organisms.
Material-Specific Determination Based on Microscopic Observation of Single Microplastic Particles Stained with Fluorescent Dyes
Researchers developed a fluorescence-based technique using commercially available fluorescent dyes to identify the material composition of individual microplastic particles under microscopy, offering a faster first-screening alternative to FT-IR and Raman microspectroscopy. The method was validated on common microplastic types and demonstrated as a practical tool for material-specific determination without requiring specialized spectral expertise.