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Papers
61,005 resultsShowing papers similar to Selective on-site detection and quantification of polystyrene microplastics in water using fluorescence-tagged peptides and electrochemical impedance spectroscopy
ClearA 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.
Rapid electrochemical detection of polystyrene microplastics in aquatic environments using a gadolinium-alginate hydrogel-modified electrode
Researchers developed a rapid electrochemical sensor for detecting polystyrene microplastics in water using a glassy carbon electrode modified with gadolinium-alginate hydrogel beads. The sensor enabled quick and reliable detection of trace-level microplastic contamination in aquatic environments, offering a portable and practical alternative to conventional laboratory-based identification methods.
Breaking theSize Barrier: SERS-Based UltrasensitiveDetection and Quantification of Polystyrene Plastics in Real WaterSamples
Researchers introduced a SERS-based detection platform capable of identifying and quantifying polystyrene plastic particles of diverse sizes in real water samples with ultrasensitive detection limits, offering a practical tool for environmental microplastic monitoring.
Microplastic in situ detection based on a portable triboelectric microfluidic sensor
Researchers developed a portable triboelectric microfluidic sensor that detects microplastics in water by measuring electrical charges generated as particles flow through a microchannel, demonstrating linear response to polystyrene particle size and concentration for field-deployable environmental monitoring.
Measuring Microplastic Concentrations in Water by Electrical Impedance Spectroscopy
Researchers developed a method using electrical impedance spectroscopy to measure microplastic concentrations in water samples without requiring complex laboratory equipment. The technique can distinguish between different concentrations and types of plastic particles based on their electrical properties. The study offers a potentially faster and more accessible approach for routine microplastic monitoring in water treatment and environmental settings.
Self-powered portable photoelectrochemical sensor based on dual-photoelectrode for microplastics detection
Researchers developed a portable, self-powered sensor that can detect polystyrene microplastics in water at concentrations as low as 1 part per billion. The sensor works without batteries by using light energy and maintains over 97% accuracy even when other pollutants are present. Better detection tools like this could help monitor microplastic contamination in drinking water and food systems, which is a key step toward understanding and reducing human exposure.
Electrochemical Detection of Microplastics in Water Using Ultramicroelectrodes
Researchers developed a new electrochemical method for detecting microplastics in water using ultramicroelectrodes. The technique works by monitoring changes in electrical current when microplastic particles collide with and adsorb onto the electrode surface, and the size distributions obtained closely matched independent measurements, demonstrating its potential as a practical detection tool.
Rapid On-Site and Sensitive Detection of Microplastics Using Zirconium(IV)-Assisted SERS Label
Researchers developed a rapid, portable detection method using specialized spectroscopy that can identify polystyrene microplastics at concentrations as low as 1 part per billion in water. The technique maintained over 90% accuracy when tested in real tap water samples. Affordable, field-ready detection tools like this are essential for monitoring microplastic contamination in food and water systems to protect human health.
Trace analysis of polystyrene microplastics in natural waters
Researchers developed and evaluated analytical methods for trace-level quantification of polystyrene microplastics and nanoplastics in natural water samples, addressing key challenges in sensitivity and accuracy that limit realistic environmental risk assessment.
Concentration analysis of metal-labeled nanoplastics in different water samples using electrochemistry
Researchers developed a low-cost electrochemical method to quantify polystyrene nanoplastics in water by attaching silver ions to their surfaces, reducing the silver to metal, and measuring the resulting signal via voltammetry, achieving 93–112% recovery rates across nanoplastic sizes in lake water and seawater.
Cost-Effective and Wireless Portable Device for Rapid and Sensitive Quantification of Micro/Nanoplastics
Researchers developed a wireless portable device for rapid quantification of micro- and nanoplastics in water samples, offering a field-deployable alternative to laboratory-based analysis for environmental monitoring.
Peptide-based strategies for detecting microplastics in aquatic systems: A review
This review explores the emerging use of specially designed peptides that can bind to specific types of plastic for detecting microplastics in water. Researchers describe how advances in protein engineering and computational design have enabled the creation of peptides that selectively recognize different polymer surfaces. The peptide-based approach offers a promising new detection method that could complement existing techniques for monitoring microplastic pollution in aquatic environments.
Plastic analysis with a plasmonic nano-gold sensor coated with plastic binding peptides.
This study describes a sensor technology using gold nanoparticles coated with plastic-binding peptides to detect and identify small plastic particles in the environment. Developing rapid, accurate detection methods is a critical step toward understanding how much microplastic contamination exists in water and other environments, and this approach offers a potentially faster and more sensitive alternative to conventional identification techniques.
Microplastic Identification Using Impedance Spectroscopy and Machine Learning Algorithms
Scientists developed a new method to detect and classify microplastics in water using electrical measurements and machine learning. The system can identify different sizes of PET microplastic particles with high accuracy, offering a potential tool for real-time water quality monitoring. Better detection methods like this are important for understanding how much microplastic contamination exists in drinking water and other water sources.
Rapid Monitoring Approach for Microplastics Using Portable Pyrolysis-Mass Spectrometry
Researchers developed a rapid monitoring method for microplastics using a portable pyrolysis-mass spectrometry system that can identify polymer types and quantify particles smaller than 5 mm in the field without lengthy laboratory preparation. The approach offers a promising tool for fast, on-site microplastic surveillance in environmental samples.
Electrochemical Capture and Sensing of Polystyrene Nanoplastics
Researchers developed an electrochemical method to capture and detect polystyrene nanoplastics from water using proline-functionalized mesoporous silica thin films on screen-printed gold electrodes. The sensor directly captures particles from water bodies, offering a simpler and cheaper alternative to conventional nanoplastic detection methods.
An Electrochemical Biosensing Approach for Detection of Microplastic Beads
Researchers developed an electrochemical enzyme-based biosensor to detect microplastic beads across a range of sizes in water, providing a simpler and lower-cost detection approach than conventional spectroscopic methods for environmental and public health monitoring.
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.
A colorimetric detection of polystyrene nanoplastics with gold nanoparticles in the aqueous phase
Researchers developed a colorimetric detection method using gold nanoparticles to identify polystyrene nanoplastics in water, providing a simpler and more sensitive alternative to traditional spectroscopy methods for detecting nanoplastics that are too small for conventional microplastic analysis.
Field-Portable Microplastic Sensing in Aqueous Environments: A Perspective on Emerging Techniques
This review examines emerging field-portable technologies for detecting and quantifying microplastics in aqueous environments, discussing optical, spectroscopic, and electrochemical sensing approaches. Researchers identify the lack of a standardized, rapid on-site method as the primary bottleneck limiting accurate real-world microplastic monitoring.
Sensitive and specific capture of polystyrene and polypropylene microplastics using engineered peptide biosensors
Hydrophobic peptide biosensors engineered to bind polystyrene and polypropylene surfaces were demonstrated as a rapid detection method for microplastics, offering high specificity for two of the most commonly distributed plastic polymer types in marine environments.
Portable On-Site Optical Detection and Quantification of Microplastics
Researchers built a portable, on-site optical device to detect and quantify microplastics in water. The device addresses the challenge of detecting small, often translucent particles without a laboratory setting. Portable microplastic detection tools could enable real-time monitoring in the field, supporting faster environmental assessments.
Electrical impedance spectroscopy based strategy for detecting and differentiating microplastics in water
Researchers developed a submersible electrical impedance spectroscopy approach capable of detecting and differentiating microplastics directly in biologically active aquatic environments, overcoming the labor-intensive preprocessing requirements of conventional FTIR and Raman methods.
Gold nanoparticles-anchored peptides enable precise colorimetric estimation of microplastics
Researchers developed a colorimetric method for detecting microplastics using gold nanoparticle-anchored peptides that selectively bind plastic surfaces, enabling precise and rapid estimation of microplastic contamination in aquatic environments.