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Papers
61,005 resultsShowing papers similar to Electrolyte-Gated Field-Effect Transistor-Based Sensor for Nanoplastic Detection: A Sensitivity Investigation of Two Nanoplastic Models
ClearTransistor-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.
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.
Polystyrene Nanoplastic‐Mercury Complexes Detection by Electrolyte‐Gated Carbon Nanotube Field‐Effect Transistor‐Based Sensors
Researchers examined the ability of an electrolyte-gated carbon nanotube field-effect transistor sensor to detect polystyrene nanoplastics in the presence of mercury ions, forming PS nanoplastic-mercury complexes through mercury sorption onto nanoplastic surfaces. The EG-CNTFET sensor successfully distinguished nanoplastic-mercury complexes in realistic multi-pollutant scenarios, advancing detection of nanoplastics as vectors for co-transported environmental pollutants.
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.
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.
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.
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.
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.
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.
A Highly Sensitive SERS Substrate for Detection of Nanoplastics in Water
Researchers developed a highly sensitive SERS-based substrate for detecting nanoplastic particles in water at very low concentrations. Improved detection tools for nanoplastics are essential for monitoring their presence in drinking water and understanding exposure risks to human health.
Recent advances in the detection of microplastics in the aqueous environment by electrochemical sensors: A review
This review surveys recent advances in using electrochemical sensors to detect microplastics in water environments. Researchers evaluated sensors made from carbon materials, metals, biomass materials, and microfluidic chips, comparing their detection capabilities and practical advantages like low cost and high sensitivity. The study highlights electrochemical sensing as a promising approach for real-time, on-site monitoring of microplastic contamination in waterways.
Identification of Nanoplastics by Probing the Viscous Nanoenvironment
Researchers developed a cationic fluorescent probe that detects nanoplastics by sensing the viscous nanoenvironment surrounding them rather than reacting with the particle surface, enabling sensitive detection of nanoplastics without relying on conventional reactive functional groups.
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.
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.
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.
Fabrication and characterization of (fluorescent) model nanoplastics for polymer specific detection
Scientists developed fluorescently labeled model nanoplastics that mimic the properties of real plastic particles, enabling polymer-specific identification at very small scales. These standardized reference particles are a key research tool because nanoplastics are otherwise extremely difficult to detect and characterize in environmental samples.
The Potential for PE Microplastics to Affect the Removal of Carbamazepine Medical Pollutants from Aqueous Environments by Multiwalled Carbon Nanotubes
This study found that polyethylene microplastics interfered with the ability of carbon nanotubes to remove the pharmaceutical drug carbamazepine from water. The interaction between microplastics and other contaminants can complicate water treatment and affect the behavior of pharmaceutical pollutants in aquatic environments.
Separation and trapping of nanoparticles using pressure-driven flow and electrokinetic transport in micro- and nanochannels
Researchers investigated the separation and trapping of nanoparticles in micro- and nanochannels using combined pressure-driven flow and electrokinetic transport, exploring these techniques as potential methods for detecting and recovering nanoplastics dispersed in aquatic environments.
Microplastic contaminants detection in aquatic environment by hydrophobic cerium oxide nanoparticles
Researchers developed a low-cost sensor using hydrophobic cerium oxide nanoparticles that can detect common microplastics like polyethylene and polypropylene in water. The sensor showed good sensitivity and reliability in laboratory tests, offering a more affordable alternative to expensive detection equipment. Better detection tools are critical because understanding how much microplastic is in our water supply is the first step toward reducing human exposure.
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.
Tailoring porous NiMoO4 nanotube via MoO3 nanorod precursor for environmental monitoring: Electrochemical detection of micro-sized polyvinylchloride
Researchers created a sensor using porous nickel-molybdenum oxide nanotubes that can electrochemically detect polyvinyl chloride microplastics in water. The sensor achieved reliable detection at low concentrations with good sensitivity, offering a faster alternative to traditional microscopy-based identification methods. This technology could enable more practical real-time monitoring of microplastic contamination in rivers and oceans.
Design Optimization Study of a Capacitive Sensor for Detecting Microplastics in Water
Researchers optimized the design of a capacitive sensor for detecting microplastics in water, incorporating both sensing and reference capacitors to minimize parasitic components and common-mode noise. The study found that the optimized sensor architecture improved detection performance for microplastic particles in aqueous environments.
Toward Continuous Nano-Plastic Monitoring in Water by High Frequency Impedance Measurement With Nano-Electrode Arrays
Researchers explored high-frequency impedance measurements using CMOS nano-electrode arrays as a potential tool for real-time, label-free monitoring of nanoplastic particles in water, demonstrating nano-scale detection capability with potential for continuous environmental monitoring.
Microfluidics-based electrophoretic capture and Raman analysis of micro/nanoplastics
Researchers developed a microfluidics-based electrophoretic capture system combined with Raman spectroscopy analysis to detect and characterize micro- and nanoplastics from aquatic ecosystems, exploiting differences in polymer composition to improve identification accuracy.