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Papers
61,005 resultsShowing papers similar to Electrolyte-Gated Carbon Nanotube Field-Effect Transistor-Based Sensors for Nanoplastics Detection in Seawater: A Study of the Interaction between Nanoplastics and Carbon Nanotubes
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 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Electrochemical approaches for detecting micro and nano-plastics in different environmental matrices
This review evaluates electrochemical sensor technologies as alternatives to conventional spectroscopy methods for detecting micro- and nanoplastics in environmental samples. Researchers found that electrochemical approaches offer advantages in cost, portability, and speed, making them better suited for widespread field monitoring. The study identifies key technical challenges that need to be resolved before these sensors can be broadly adopted for routine environmental surveillance.
Real-Time Underwater Nanoplastic Detection beyond the Diffusion Limit and Low Raman Scattering Cross-Section via Electro-Photonic Tweezers
Researchers developed an electro-photonic tweezer system using AC electro-osmotic flows and dielectrophoretic forces to actively concentrate and detect nanoplastics in real time underwater, overcoming detection limits posed by their tiny size and ultralow concentrations.
Design, fabrication, and application of electrochemical sensors for microplastic detection: a state-of-the-art review and future perspectives
This review covers recent advances in electrochemical sensors for detecting microplastics in environmental samples, which offer advantages in sensitivity and portability over conventional laboratory methods. Researchers highlight strategies using nanomaterials, molecular imprinting, and surface-enhanced techniques to improve detection capabilities. The study suggests that electrochemical sensors represent a promising path toward affordable, rapid, on-site monitoring of microplastic pollution.
Selective on-site detection and quantification of polystyrene microplastics in water using fluorescence-tagged peptides and electrochemical impedance spectroscopy
Researchers created a portable detection system using fluorescence-tagged peptides and electrochemical sensors to identify polystyrene microplastics in different water types. The method could detect microplastics across a wide size range and in various water conditions, including seawater and tap water. This on-site detection approach could make microplastic monitoring faster and more accessible compared to traditional laboratory methods.
Contact-Accessible Silver Nanoparticle-Decorated Electrospun Carbon Fibers for Microplastics Detection by SERS
Scientists developed a new way to detect microplastics (tiny plastic particles) using special silver-coated carbon fibers that can spot these particles much better than current methods. This technology works best on extremely small plastic particles and could help us better identify microplastic contamination in our environment. Better detection of microplastics is important because these particles are increasingly found in our food, water, and air, but we still don't fully understand their health effects.
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.
An Electrochemiluminescence-Activated Amphiphilic Perylene Diimide Probe: Enabling Highly Sensitive and Selective Detection of Polypropylene Nanoplastics in the Environment
Scientists developed a new highly sensitive method to detect polypropylene nanoplastics in water using a special fluorescent probe combined with electrochemiluminescence technology. The method can detect nanoplastics at concentrations as low as 0.01 micrograms per liter, far more sensitive than previous approaches. Better detection tools like this are critical for monitoring nanoplastic contamination in drinking water and understanding the true extent of human exposure.
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.
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.
The Chemistry of Carbon Nanotubes in Photocatalytic Degradation of Micro‐ and Nano‐Plastic
Researchers reviewed how carbon nanotubes — cylindrical structures made of carbon atoms — can be added to light-activated catalysts to dramatically improve the breakdown of microplastics and nanoplastics in water, as the nanotubes increase surface area and help separate electrical charges that drive the chemical degradation reactions.
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.
Narrow-Window Cathodic Electrochemiluminescence from Laser-Engineered Graphitic Carbon Nitride: A Next-Generation Emitter for Microplastics Biosensing
Scientists developed a new way to detect tiny plastic particles (called microplastics) in seawater that is more accurate than current methods. The new technique can find extremely small amounts of plastic pollution - as little as 0.2 billionths of a gram per milliliter of water. This matters because microplastics are everywhere in our oceans and food chain, and better detection methods help us understand and monitor this growing pollution problem that could affect human health.