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Papers
61,005 resultsShowing papers similar to Polystyrene Nanoplastic‐Mercury Complexes Detection by Electrolyte‐Gated Carbon Nanotube Field‐Effect Transistor‐Based Sensors
ClearElectrolyte-Gated Field-Effect Transistor-Based Sensor for Nanoplastic Detection: A Sensitivity Investigation of Two Nanoplastic Models
Researchers developed a transistor-based sensor using carbon nanotube channels to detect nanoplastics in water. The sensor showed comparable sensitivity for both non-functionalized and carboxylated polystyrene nanoplastics, attributed to hydrophobic interactions between the carbon nanotubes and plastic particles. The study offers a starting point for fast, reliable nanoplastic detection in aquatic environments.
Electrolyte-Gated Carbon Nanotube Field-Effect Transistor-Based Sensors for Nanoplastics Detection in Seawater: A Study of the Interaction between Nanoplastics and Carbon Nanotubes
Researchers developed a novel sensor based on an electrolyte-gated carbon nanotube field-effect transistor for detecting nanoplastics in seawater. The sensor demonstrated high sensitivity and the ability to detect polystyrene nanoplastics at very low concentrations, offering a faster and more portable alternative to traditional spectroscopy methods. The study suggests this technology could enable more accessible and widespread monitoring of nanoplastic contamination in marine environments.
Transistor-Based Nanoplastics Sensor: Investigation of Sensitivity Towards Polystyrene and Polyethylene Terephthalate
Researchers explored the use of electrolyte-gated carbon nanotube field-effect transistors as sensors for detecting nanoplastics in water. The study found that the sensors exhibited distinct electrical responses to polystyrene and PET nanoplastics, suggesting that transistor-based approaches could provide a simple and reliable method for nanoplastic detection in environmental samples.
Novel unlabeled electrochemical sensing platform based on highly electroactive Cu-MOF film for nanoplastic detection in water
Researchers developed an electrochemical sensor using a copper-based metal-organic framework film on carbon nanotubes to detect nanoplastics in water without fluorescent labels, demonstrating that polystyrene nanoplastics adsorbing onto the sensor surface measurably inhibit electrical current in a concentration-dependent manner across particle sizes from 100 nm to 1 µm.
Nanoplastics Identification in Complex Environmental Matrices: Strategies for Polystyrene and Polypropylene
Researchers developed and compared analytical strategies for detecting and identifying polystyrene and polypropylene nanoplastics in complex environmental matrices, evaluating techniques including pyrolysis-GC/MS, Raman spectroscopy, and electron microscopy, and proposing a multi-method workflow for environmental samples.
Aminated Carbon Nanofiber-Mediated Nanoconfined Liquid Phase Nanoextraction Coupled with Py-GC/MS for Sensitive Determination of Polystyrene Nanoplastics
Researchers developed a novel method combining aminated carbon nanofiber-based nanoextraction with pyrolysis-gas chromatography-mass spectrometry for detecting polystyrene nanoplastics in water. The technique achieved highly sensitive detection of nanoplastics at trace levels, offering a promising tool for monitoring nanoplastic contamination in environmental water samples.
Identification of polystyrene nanoplastics from natural organic matter in complex environmental matrices by pyrolysis–gas chromatography–mass spectrometry
Researchers used pyrolysis-gas chromatography-mass spectrometry to identify polystyrene nanoplastics in environmental samples containing natural organic matter, developing methods to distinguish nanoplastic signals from complex organic background matrices in water.
Sensors for Polystyrene Nanoplastics Detection in Water Samples
This review assessed recent advances in sensor and biosensor technologies for detecting polystyrene nanoplastics in complex aquatic samples. The authors identified optical, electrochemical, and surface-enhanced Raman approaches as the most promising strategies, while highlighting the ongoing challenges of matrix interference and low-concentration detection limits.
High-Confidence AptapipetteIontronic Sensor for Analysisof Environmental Polystyrene Nanoplastics with Machine Learning-AssistedIonic Current Rectification
Researchers developed a DNA aptamer-functionalized nanopipette sensor for detecting polystyrene nanoplastics via ionic current perturbations. The aptapipette achieved high-confidence, label-free nanoplastic detection without complex sample preparation, demonstrating strong potential for field-deployable environmental monitoring.
Detecting Polystyrene Nanoparticles in EnvironmentalSamples: A Comprehensive Quantitative Approach Based on TD-PTR-MSand Multivariate Standard Addition
Researchers developed a quantitative analytical workflow for detecting polystyrene nanoparticles in complex environmental matrices using thermal desorption-proton-transfer reaction-mass spectrometry (TD-PTR-MS) combined with multivariate standard addition. The approach addressed matrix interference challenges by exploiting the chemical selectivity of TD-PTR-MS to distinguish nanoplastic signals from the surrounding organic compounds.
Borosilicate glass nanopipettes enhanced by synergistic electrostatic interactions and steric hindrance for ultrasensitive electrochemical detection of nanoplastics in environmental water samples
Researchers developed an electrochemical sensor using borosilicate glass nanopipettes enhanced with electrostatic interactions to detect nanoplastics in environmental water samples, achieving ultrasensitive trace-level detection without complex sample pretreatment.
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.
An Electrochemiluminescence-ActivatedAmphiphilicPerylene Diimide Probe: Enabling Highly Sensitive and Selective Detectionof Polypropylene Nanoplastics in the Environment
Researchers developed an amphiphilic perylene diimide probe combined with electrochemiluminescence to detect polypropylene nanoplastics in aqueous environments with high sensitivity. The probe achieved concentration-dependent signal enhancement and selective detection of PP nanoplastics even in complex environmental matrices.
Salt-induced aggregation of gold nanoparticles for sensitive SERS-based detection of nanoplastics in water
Researchers developed a SERS-based nanoplastic detection method using salt-induced aggregation of gold nanoparticles, demonstrating detection of 100 nm polystyrene beads in water by introducing sodium citrate-stabilized AuNPs into samples containing the nanoplastic particles, offering a sensitive screening approach for nanoplastics that are challenging to detect by conventional methods.
Detection, quantification, and characterization of polystyrene microplastics and adsorbed bisphenol A contaminant using electroanalytical techniques
Electroanalytical techniques were used to quantify polystyrene microplastics at concentrations down to 0.005 pM and characterize their size range from 0.1 to 10 microns, while also demonstrating that adsorbed polystyrene microplastics concentrate bisphenol A from solution.
Electrochemical and Surface‐Enhanced Raman Scattering Coupling for Dual‐Mode Sensing of Nanoplastics
This study developed a dual-mode detection system combining electrochemical analysis with surface-enhanced Raman scattering to identify nanoplastics in environmental samples, addressing the challenge of detecting NPs by material, size, and surface chemistry simultaneously.
Nanomaterial-based electrochemical chemo(bio)sensors for the detection of nanoplastic residues: trends and future prospects
This study reviews how nanomaterial-based electrochemical sensors can be used to detect tiny nanoplastic residues in water. Researchers found that these sensors offer a promising, practical approach for monitoring nanoplastic contamination in aquatic ecosystems. The findings suggest that advancing these detection tools is important for implementing effective water quality control measures.
Thermal fragmentation enhanced identification and quantification of polystyrene micro/nanoplastics in complex media
Researchers developed a method using thermal fragmentation combined with MALDI-TOF mass spectrometry to identify and quantify polystyrene micro/nanoplastics in complex media, enabling reliable fingerprint-based detection and quantification down to nanoplastic size ranges.
Evaluating the Occurrence of Polystyrene Nanoparticles in Environmental Waters by Agglomeration with Alkylated Ferroferric Oxide Followed by Micropore Membrane Filtration Collection and Py-GC/MS Analysis
Researchers developed a sensitive detection method using alkylated iron oxide nanoparticles to capture nanoplastics from water for analysis by pyrolysis-GC/MS, achieving detection limits of 0.02-0.03 micrograms per liter. Polystyrene nanoplastics were detected in 11 of 15 environmental water samples at concentrations up to 0.73 micrograms per liter, confirming their widespread presence.
Determination of Nanoplastics Using a Novel Contactless Conductivity Detector with Controllable Geometric Parameters
Researchers developed a novel contactless conductivity detection method for capillary electrophoresis that enables sensitive quantification of nanoplastic particles in environmental samples, offering a simpler alternative to existing nanoplastic detection techniques.
Nanodevice Approaches for Detecting Micro- and Nanoplastics in Complex Matrices
This review examines emerging nanodevice-based approaches for detecting micro- and nanoplastics across complex environmental and biological samples. The study highlights that nanosensors, nanopore systems, and lab-on-a-chip platforms offer improved sensitivity and real-time detection capabilities compared to conventional methods like spectroscopy and chromatography, though standardization challenges remain.
Detecting Polystyrene Nanoparticles in Environmental Samples: A Comprehensive Quantitative Approach Based on TD-PTR-MS and Multivariate Standard Addition
Scientists developed an analytical method combining thermal desorption, mass spectrometry, and multivariate statistics to accurately quantify polystyrene nanoplastics in complex environmental samples where other organic compounds can interfere with the signal. The workflow used non-negative matrix factorization to separate nanoplastic signals from background organic chemistry, enabling reliable quantification in real-world samples. Robust quantification methods for nanoplastics are a prerequisite for understanding human and environmental exposure, making this analytical advance scientifically significant.
Quantitative detecting low concentration polystyrene nanoplastics in aquatic environments via an Ag/Nb2CT (MXene) SERS substrate
Researchers fabricated an Ag nanoparticle-decorated MXene composite SERS substrate that detects polystyrene nanoplastics down to 10 mg/mL in lake water with high accuracy and recovery rates of 95–107%, and can distinguish nanoplastic types in mixtures using their Raman fingerprint spectra.
Co-Self-AssembledMonolayer Enables Sensitive SERSDetection of Nanoplastics via Spontaneous Hotspot Entrapment
Researchers developed a SERS detection strategy for nanoplastics using co-self-assembly of silver nanoparticles and nanoplastic particles into a monolayer, enabling 90% of nanoplastics in solution to transfer to the monolayer within 30 seconds and become uniformly entrapped in plasmonic hotspots. The method achieved quantitative detection of 80, 300, and 800 nm polystyrene nanoplastics in the range of 0.01-2 mg/L with a detection limit in the microgram-per-litre range.