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61,005 resultsShowing papers similar to Rapid and reliable detection of microplastics in drinking water using fluorescence microscopy
ClearRapid 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.
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.
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.
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.
Identifying microplastic contamination in drinking water: analysis and evaluation using spectroscopic methods
Researchers developed analytical methods to identify and quantify microplastic contamination in drinking water, evaluating extraction efficiency and detection accuracy across different water types and plastic particle sizes. The study assessed health implications based on measured plastic loads in treated water.
Selection of an appropriate fluorescent reference material to assess microplastic recovery in natural waters
Researchers developed a standardized fluorescent reference material for validating methods used to detect microplastics in drinking water samples. The material was designed to closely mimic the size, shape, and composition of real environmental microplastics, enabling more accurate spike-and-recovery testing. The work addresses a key gap in microplastic monitoring by providing a reliable benchmark for ensuring that sampling and analysis methods are capturing particles accurately.
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.
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.
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.
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.
Advances in analysis of microplastics in drinking water treatment plants. Fluorescence techniques using iDye Pink
Microplastics between 0.1 and 5 mm were detected at multiple stages of three drinking water treatment plants, with Nile Red fluorescence staining and spectroscopic techniques showing that while treatment reduces MP loads, particles persist into final treated water.
Development of a low-cost and rapid detection method for micro- and nanoplastics in beverages and its application
Scientists developed a fast, inexpensive method combining fluorescence microscopy and flow cytometry to count micro- and nanoplastics in beverages, achieving over 97% recovery and processing samples in about eight minutes. The study also found that longer storage, more frequent opening, and freeze-thaw cycling all release more plastic particles into drinks, raising direct human exposure concerns.
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.
Simple screening of microplastics in bottled waters and environmental freshwaters using a novel fluorophore
Researchers developed a rapid fluorescence-based screening method for microplastics using the novel fluorophore 1-pyrenebutyric acid N-hydroxysuccinimidyl ester (PBN), which stained diverse synthetic polymer types within 5 minutes and successfully detected microplastics in bottled water and environmental freshwater samples.
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.
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.
Tracking microplastics at the source: a comparative study of fluorescent and FTIR microscopy at a drinking water intake in the Perak River, Malaysia
Researchers measured microplastic contamination at a drinking water intake point on the Perak River in Malaysia, finding 12 different polymer types with most particles smaller than 10 micrometers. The study compared two detection methods and found that specialized infrared microscopy was more accurate at identifying microplastic types than fluorescence microscopy. Since this river water goes directly to a treatment plant for drinking water, the findings highlight the need to understand and filter out microplastics before they reach the tap.
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.
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.
Determination of microparticles, in particular microplastics in beverages
This study reviewed and tested methods for detecting microparticles including microplastics in beverages, addressing a gap in food safety monitoring. The research is relevant to understanding human exposure to microplastics through drinking water and packaged beverages.
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.
Identifying microplastic contamination in drinking water: analysis and evaluation using spectroscopic methods
This review examines spectroscopic methods for identifying microplastics in drinking water, exploring how factors like particle size, shape, and environmental exposure affect detection accuracy using techniques such as FTIR and Raman spectroscopy.
A review on the detection of micro and nano plastics in drinking water
This review covered detection methodologies for micro- and nanoplastics in drinking water, including both tap and bottled water sources. The authors synthesized current analytical approaches and highlighted the need for standardized methods across studies.
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.