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61,005 resultsShowing papers similar to Preparation of magnetic Janus microparticles for the rapid removal of microplastics from water
ClearEffective removal of Micro- and nanoplastics from water using Iron oxide nanoparticles: Mechanisms and optimization
Researchers developed a magnetic separation method using iron oxide nanoparticles to remove micro- and nanoplastics from water, achieving up to 95% removal efficiency within just 20 minutes. The technique works through hydrophobic interactions between the iron oxide particles and plastic surfaces, and was particularly effective for smaller nanoplastics. The method offers a relatively simple, rapid, and cost-effective approach to filtering plastic particles from contaminated water.
Advanced green capture of microplastics from different water matrices by surface-modified magnetic nanoparticles
Researchers engineered magnetic nanoparticles with specialized surface coatings that attract and capture microplastics from water through electrostatic and molecular forces, allowing the plastic-laden particles to be pulled out with a magnet in about 20 minutes. This approach offers a faster and greener alternative to current water treatment methods for removing microplastic contamination.
Development of a Fast and Efficient Strategy Based on Nanomagnetic Materials to Remove Polystyrene Spheres from the Aquatic Environment
Researchers developed magnetic nanoparticles coated with silver and an amino acid that can remove polystyrene microplastics from water with 100% efficiency in just 15 minutes. The approach works at room temperature and neutral pH, offering a fast and practical strategy for cleaning microplastic-contaminated water using simple magnetic separation.
Removal of Micro and Nanoplastics from Water Using Magnetic Nanoparticles: A Review
This review evaluates the use of magnetic nanoparticles as a technology for removing micro- and nanoplastics from water. Researchers found that magnetic nanoparticles can effectively capture plastic particles through surface interactions and be easily separated from water using magnets. The study suggests this approach offers a promising and energy-efficient method for cleaning microplastic-contaminated water, though challenges remain in scaling it for real-world applications.
Enhanced removal of microplastics from wastewater hydrological pathways using a magnetically recoverable Fe 3 O 4 /carbon black nanocomposite
Scientists developed a new magnetic material that can remove nearly 99% of tiny plastic particles from wastewater before it gets released into rivers and oceans. The material works like a magnet to grab plastic pieces from dirty water, then can be pulled out and reused. This could help stop microplastics from building up in our water supply and food chain, where they may pose health risks to humans.
Exploring the effective adsorption of polystyrene microplastics from aqueous solution with magnetically separable nickel/reduced graphene oxide (Ni/rGO) nanocomposite
Researchers developed a magnetic nanocomposite material that can effectively remove polystyrene microplastics from water and be easily separated using a magnet for reuse. This technology could help reduce microplastic contamination in water supplies, potentially lowering human exposure to these tiny plastic particles through drinking water.
Removal of microplastics from water by magnetic nano-Fe3O4
Researchers developed a method for removing microplastics from water using magnetic iron oxide nanoparticles that attach to plastic surfaces, allowing the particles to be pulled out with a magnet. The technique achieved removal rates above 80% for common microplastic types in environmental water samples including river water, sewage, and seawater, suggesting a practical approach for water treatment.
Sustainable Strategy for Microplastic Mitigation: Fe3O4 Acid-Functionalized Magnetic Nanoparticles for Microplastics Removal
Scientists created magnetic nanoparticles coated with citric acid that can remove up to 80% of common microplastics (polyethylene and polypropylene) from water using a simple magnetic separation process. The material can be reused up to five times while still maintaining over 50% removal efficiency. This type of reusable, low-impact technology could help water treatment facilities better remove microplastics, reducing the amount that reaches drinking water supplies.
Harnessing Magnetic Nanoparticles for the Effective Removal of Micro- and Nanoplastics: A Critical Review
This review summarizes how tiny magnetic nanoparticles can be used to pull microplastics and nanoplastics out of water by binding to them and separating them magnetically. While still facing challenges like scaling up and optimizing the particles, this technology could help reduce the amount of microplastics that reach drinking water and ultimately the human body.
The Application of Tannic Acid-Coated Magnetite Nanoparticles for Recovery of Microplastics from the Water System
Researchers developed a method using tannic acid-coated magnetic nanoparticles to capture and remove polystyrene and PET microplastics from water, achieving up to 98% removal efficiency. The magnetic approach allows easy recovery of the particles from water using a magnet. Better removal technologies like this could help reduce the amount of microplastics reaching drinking water sources and ultimately lowering human exposure.
An efficient strategy to separate nanoplastics from water using anisotropic magnetic Janus particles
Researchers developed amphiphilic magnetic Janus particles that selectively capture nanoplastics from water, achieving capture capacities of 10.3-19.2 mg/g — approximately 4-7 times higher than conventional magnetic particles. The anisotropic design leverages hydrophobic-hydrophilic surface asymmetry to enhance nanoplastic affinity, offering an efficient approach for drinking water treatment.
Magnetic Removal of Micro‐ and Nanoplastics from Water—from 100 nm to 100 µm Debris Size
Researchers demonstrated a magnetic method for removing micro- and nanoplastics from water using iron oxide nanoparticles that attract oppositely charged plastic particles. The technique was effective across a wide size range, from 100 nanometers to 100 micrometers, and worked with multiple plastic types. The study suggests that magnetic removal could help address the gap in current wastewater treatment, which struggles to capture the smallest plastic particles.
A review on advances in hybrid magnetic nanoparticles for microplastics removal: Mechanistic insights and emerging prospects
This review examines the use of hybrid magnetic nanoparticles as a new approach to remove microplastics from water, especially the very small particles under 10 micrometers that traditional treatment methods miss. These magnetic materials can be functionalized to attract and capture microplastics, then separated from the water using magnets. While still mostly at the research stage, this technology could eventually improve water treatment and reduce human exposure to the smallest and most harmful microplastic particles.
Low-Energy Photoresponsive Magnetic-Assisted Cleaning Microrobots for Removal of Microplastics in Water Environments
Researchers developed tiny light-powered magnetic microrobots that can actively seek out and collect microplastics from water, achieving 98% removal efficiency in under two minutes. The microrobots can be guided using magnetic fields and recovered for reuse, making the approach both effective and eco-friendly. This technology could eventually help clean microplastics from water sources before they reach people, though it is still at the laboratory stage.
Engineered magnetic metal-organic frameworks for efficient and broad-spectrum adsorption of micro/nanoplastics in beverages
Scientists developed a magnetic material that can remove up to 98% of micro and nanoplastics from beverages, including different plastic types and sizes. The material works through a simple magnetic separation process and can be reused multiple times while maintaining good performance. This technology could help reduce human exposure to microplastics in drinks like water, juice, and other beverages.
Advances in magnetic materials for microplastic separation and degradation
This review examines how magnetic materials can be used to capture and break down microplastics in water. Different types of magnetic particles, including iron nanoparticles and tiny magnetic robots, can attract and remove microplastics with high efficiency. These technologies could be important for cleaning up microplastic-contaminated water supplies and reducing human exposure through drinking water.
Adsorptive removal of micron-sized polystyrene particles using magnetic iron oxide nanoparticles
Researchers demonstrated that magnetic iron oxide nanoparticles can effectively adsorb and remove micron-sized polystyrene microplastics from water, offering a magnetically recoverable approach to microplastic remediation.
Extraction and concentration of nanoplastic particles from aqueous suspensions using functionalized magnetic nanoparticles and a magnetic flow cell
Researchers developed a method using hydrophobic magnetic nanoparticles to capture and concentrate nanoplastics — plastic particles smaller than 1 micrometer — from water samples, achieving recovery rates of 57–85% across different water types including freshwater and seawater. This technique addresses a major gap in nanoplastic research by making it possible to detect and measure these nearly invisible particles in real environmental samples.
Microplastic transport dynamics and the path forward with magnetic nanoparticle based solutions
This review summarizes the widespread distribution of microplastics in aquatic systems and evaluates the use of magnetic nanoparticles as a solution for removing them from water. Magnetic nanoparticles can bind to microplastics and then be separated from water using magnets, offering a promising and efficient cleanup method. Effective microplastic removal from water is important because contaminated drinking water and seafood are major sources of human microplastic exposure.
Emerging Applications of Magnetic Nanomaterials in the Remediation of Microplastics from the Aquatic Environment
This review examined the use of magnetic nanomaterials for removing microplastics from aquatic environments, summarizing how magnetic separation can efficiently capture plastic particles for remediation purposes. The authors highlight magnetic nanomaterials as a promising and scalable tool for microplastic cleanup.
Application of Surface-Modified Natural Magnetite as a Magnetic Carrier for Microplastic Removal from Water
Researchers modified natural magnetite — a common iron mineral — with a hydrophobic chemical coating so it would stick to plastic particles in water, then used magnets to pull everything out. When applied to six common plastic types including polyethylene and polystyrene, finely-ground treated magnetite removed over 90% of the microplastics. This low-cost, naturally-sourced approach could offer a scalable method for cleaning microplastics from water supplies.
Reconfigurable Magnetic Liquid Metal Microrobots: A Regenerable Solution for the Capture and Removal of Micro/Nanoplastics
Scientists developed magnetically controlled liquid metal microrobots that can capture and remove micro- and nanoplastics from water. The tiny robots can change shape, be steered with magnets, and be regenerated for reuse, offering a potential new technology for cleaning plastic pollution from water sources before it reaches people.
Efficient removal of microplastics from aqueous solution by a novel magnetic biochar: performance, mechanism, and reusability
Researchers developed a magnetic biochar from rice husks that achieved 99.96% removal of microplastics from water, with the material showing excellent reusability and performance under various environmental conditions.
Magnetic Extraction of Weathered Tire Wear Particles and Polyethylene Microplastics
Researchers developed a hydrophobic magnetic nanocomposite that can rapidly extract both polyethylene microplastics and tire wear particles from freshwater using magnets, offering a low-cost method for removing these pollutants from environmental water samples.