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61,005 resultsShowing papers similar to Real-time detection of label-free submicron-sized plastics using flow-channeled differential interference contrast microscopy
ClearReal-time morphological detection of label-free submicron-sized plastics using flow-channeled differential interference contrast microscopy
Researchers developed a flow-channeled differential interference contrast microscopy system capable of real-time morphological detection of label-free submicron-sized plastic particles in water, overcoming limitations of conventional bright-field microscopy for monitoring aquatic microplastic pollution.
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.
3D differential interference contrast microscopy using polarisation‐sensitive tomographic diffraction microscopy
Researchers developed a 3D differential interference contrast microscopy technique using tomographic diffraction microscopy to image unlabeled biological and environmental samples at high resolution — with applications for visualizing microplastics in cells and tissues.
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.
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.
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.
Fluorescence microfluidic system for real-time monitoring of PS and PVC sub-micron microplastics under flowing conditions
Researchers developed a fluorescence microfluidic system for real-time monitoring of polystyrene and PVC sub-micron particles in water, demonstrating rapid detection capability suitable for continuous plastic pollution monitoring in water supplies.
Real-time microplastic detection using polarization digital holographic microscope
Researchers developed a real-time microplastic detection system using a polarization digital holographic microscope, enabling identification and characterization of MP particles in water based on their optical properties without the need for chemical staining or extensive sample preparation.
Material identification and imaging of microplastics when dispersed in water using near-infrared light toward combination with a flow cell
Researchers developed a near-infrared (NIR) spectroscopy method for identifying and imaging microplastics in water without requiring drying, testing it on polyethylene, polypropylene, polystyrene, and polymethyl methacrylate particles. The method was designed to integrate with a flow cell for continuous measurement, enabling real-time microplastic identification in water samples.
A microfluidic approach for label-free identification of small-sized microplastics in seawater
Researchers developed a microfluidic approach for label-free identification of small microplastics in seawater, using impedance-based detection to distinguish different polymer types without chemical labeling, enabling faster and more practical environmental monitoring.
Can flow cytometry emerge as a high-throughput technique for micro- and nanoplastics analysis in complex environmental aqueous matrices?
Researchers reviewed the potential of flow cytometry — a technique that rapidly analyzes individual particles — as a high-throughput tool for detecting micro- and nanoplastics in water samples, finding it excels at measuring particles smaller than 20 micrometers that other methods struggle to detect. Using fluorescent dyes to tag plastics, the approach could enable near-real-time environmental monitoring at a scale no other current technique can match.
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.
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.
Fluorescent labelling combined with confocal differential Raman spectroscopy to detect microplastics in seawater
Researchers combined fluorescent labeling with confocal differential Raman spectroscopy to develop a rapid method for detecting microplastics in near-shore seawater, achieving efficient removal of organic matter interference through optimized sample pretreatment. The system demonstrated accurate identification of multiple polymer types in complex seawater matrices.
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.
Compact holographic microscope for imaging flowing microplastics
Researchers developed a compact holographic microscope capable of imaging flowing microplastics in aquatic environments, providing a fast, quantitative method for real-time characterization of plastic particle size and shape distributions.
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.
Microplastics’ Shape and Morphology Analysis in the Presence of Natural Organic Matter Using Flow Imaging Microscopy
Researchers introduced an innovative flow imaging microscopy approach for rapidly identifying and quantifying microplastics in wastewater treatment plant samples. The study demonstrates that this method can simultaneously capture and classify polyethylene and polystyrene particles while also analyzing how natural organic matter affects microplastic shape and morphology.
Microplastics Detection with Microfluidic Near-Field Microwave Sensors
A new microfluidic sensor integrating a microwave detector was developed that can identify microplastics in water in real time without labelling, by measuring how particles change the dielectric properties of the water flowing through the device. This kind of low-cost, continuous-monitoring sensor could make routine environmental surveillance for microplastic contamination more practical.
In-situ and real-time nano/microplastic coatings and dynamics in water using nano-DIHM: A novel capability for the plastic life cycle research
Researchers used a novel nano-digital inline holographic microscope to study nano- and microplastic particles in real time in water, revealing distinct coating patterns on particle surfaces and dynamic aggregation behaviors that standard offline methods miss.
Flow Cytometry as a Rapid Alternative to Quantify Small Microplastics in Environmental Water Samples
Researchers developed a flow cytometry method using fluorescent staining to rapidly detect and quantify small microplastics (1-50 micrometers) in environmental water samples, achieving over 80% recovery rates and significantly reducing analysis time compared to traditional microscopy.
Tracking nanoplastics in drinking water: a new frontier with the combination of dielectrophoresis and Raman spectroscopy
Researchers developed a new combined technique using dielectrophoresis and Raman spectroscopy to detect and identify nanoplastics in drinking water. The method can trap and concentrate nanoplastic particles that are too small for conventional detection approaches, then chemically identify them. This advancement addresses a critical gap in our ability to monitor nanoscale plastic contamination in water supplies.
Micro-flow imaging for in-situ and real-time enumeration and identification of microplastics in water
Researchers tested micro-flow imaging (MFI) — a technology that uses high-speed cameras to photograph particles flowing through liquid — as a faster, more consistent way to count and characterise microplastics in water samples. The method automatically captures size, shape, colour, and transparency in real time with minimal sample preparation, making it a promising tool for field monitoring of waterways where current techniques are slow and labour-intensive.
Detection of Microplastic Waste by Using a Novel Microfluidic System with an Integrated Object Tracking Algorithm
Researchers developed a novel microfluidic system integrated with an object tracking algorithm to detect and distinguish microplastics from other materials in water, using multiple microchannel designs fabricated from PDMS microchips. The system demonstrated the ability to observe microplastic flow and deformation behaviour within microchannels, providing a new platform for automated microplastic detection and characterization.