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Papers
61,005 resultsShowing papers similar to Revealing Trace Nanoplastics in Food Packages─An Electrochemical Approach Facilitated by Synergistic Attraction of Electrostatics and Hydrophobicity
ClearBorosilicate 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.
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.
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.
Current perspectives, challenges, and future directions in the electrochemical detection of microplastics
This review examines the emerging use of electrochemical sensors for detecting microplastics in the environment. Researchers found that while electrochemical methods have been widely explored for microplastic removal, their potential as low-cost detection tools remains largely untapped. The study highlights recent advances in nanoimpact techniques and electrode modifications that could make environmental microplastic monitoring more practical and affordable.
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.
Graphene and gold nanoparticle-based bionanocomposite for the voltammetric determination of bisphenol A in (micro)plastics
Researchers developed a highly sensitive electrochemical sensor using graphene and gold nanoparticles to detect bisphenol A leaching from plastics and microplastics in water. The sensor achieved very low detection limits and worked reliably in real water samples. This tool could help environmental scientists and regulators better monitor harmful chemical release from plastic pollution in freshwater and marine environments.
Preconcentration of nanoplastics using micro-electromembrane extraction across free liquid membranes
Researchers developed a miniaturized electrical extraction technique that concentrates nanoplastics from liquid samples across a thin oil membrane using an electric field, then analyzes them using capillary electrophoresis. The method achieved over 20-fold concentration of nanoplastics in just 5 minutes and successfully removed interfering compounds from tea samples, offering a fast and sensitive tool for detecting nanoplastics in complex real-world liquids.
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.
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.
Electrochemical and Colorimetric Nanosensors for Detection of Heavy Metal Ions: A Review
This review covers nanosensor technologies being developed to detect heavy metal contamination in environmental and food samples, which is important because heavy metals are linked to cancer, neurological disorders, and developmental problems. While focused on metal detection rather than plastics directly, these affordable and portable sensor technologies could be adapted for detecting microplastic-associated contaminants in water and food.
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.
Development of Cost-Effective Sensor for Simultaneous Determination of Nanoplastics Using Artificial Neural Network
Researchers developed a cost-effective electrochemical sensor using silver nanoparticle-modified electrodes to simultaneously detect nanoplastic-associated pollutants including bisphenol A, phenol, and catechol in water. The sensor achieved high sensitivity with detection limits in the sub-micromolar range and was validated on real water samples, while an artificial neural network was trained on the electrochemical data to enhance analytical capabilities.
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.
Integrated Passive Sensing Chip for Highly Sensitive and Reusable Detection of Differential-Charged Nanoplastics Concentration
Researchers developed a passive sensing chip based on complementary split ring resonators to detect nanoplastics of different surface charges and sizes in aqueous solution using microwave signals. The method achieved high sensitivity for positively charged nanoplastics and offers a reusable detection approach.
Miniature Electrochemical Sensing Accelerates Detection of Toxic Responses Induced by Nanoplastics
This perspective article discusses how miniature electrochemical sensors can accelerate the detection of toxic responses caused by nanoplastics in living organisms. The authors highlight that conventional methods struggle to monitor the chronic, low-level toxicity that nanoplastics cause over time. They advocate for multiplexed electrochemical techniques that can provide real-time, sensitive monitoring of how organisms respond to long-term nanoplastic exposure.
Electrochemically microplastic detection using chitosan-magnesium oxide nanosheet
Scientists developed an electrochemical sensor using chitosan and magnesium oxide nanosheets to detect hexamethylenetetramine (HMT), a chemical found in microplastics, in water samples. The sensor showed high sensitivity and selectivity, successfully detecting HMT in real-world lake and drinking water samples. This kind of affordable, portable detection tool could help monitor microplastic-related chemical contamination in water supplies.
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.
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.
Magnetite-Integrated Electrochemical Sensor for Efficient Detection of PET Microplastics in Water
Researchers developed a simple electrochemical sensor for detecting PET microplastics in water by modifying a screen-printed gold electrode with magnetite nanoparticles derived from mill scale waste. The sensor successfully detected PET in concentrations ranging from 6.25 to 500 mg/L with a detection limit of 3.6 mg/L. The study suggests this portable, cost-effective tool could serve as a practical monitoring method for PET microplastic pollution in aquatic environments.
Exploring Innovative Approaches for the Analysis of Micro- and Nanoplastics: Breakthroughs in (Bio)Sensing Techniques
This review covers new sensing technologies, including electrochemical and optical biosensors, being developed to detect microplastics and nanoplastics more quickly and affordably than current lab methods. Better detection tools are essential because understanding how much plastic pollution exists in the environment and in our bodies is the first step toward addressing the health risks.
Ionic Liquid-Assisted Thermal Evaporation of Bimetallic Ag–Au Nanoparticle Films as a Highly Reproducible SERS Substrate for Sensitive Nanoplastic Detection in Complex Environments
Scientists developed a highly sensitive sensor using silver-gold nanoparticle films that can detect tiny PET nanoplastics in complex liquids like tap water, lake water, milk, and wine. The sensor could identify nanoplastics at concentrations as low as 1 microgram per milliliter using a light-based technique called SERS. This kind of detection tool is important for monitoring nanoplastic contamination in food and drinking water to better understand human exposure levels.
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.
Fluorescent molecular rotor-based probes for sensitive and selective detection of nanoplastics in food, environment, and living cells
Researchers developed two molecular rotor-based fluorescent probes that selectively detect oppositely charged nanoplastics through hydrophobic and electrostatic interactions. The probes demonstrated high sensitivity and specificity for nanoplastics in food, environmental, and live cell samples, providing a new tool for nanoplastic detection.