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61,005 resultsShowing papers similar to Microplastic transport dynamics and the path forward with magnetic nanoparticle based solutions
ClearRemoval 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.
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.
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.
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.
Advances in magnetic materials for microplastic separation and degradation
This review examined advances in magnetic materials and nanostructures for separating and degrading microplastics from water, highlighting their potential for targeted adsorption, transport, and catalytic degradation of plastic pollution in aquatic environments.
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.
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.
Nano-based remediation strategies for micro and nanoplastic pollution
This review covers how nanomaterial-based technologies can be used to remove microplastics from the environment, including methods using magnetic nanoparticles, photocatalysts, and membrane filters. While current physical, chemical, and biological removal methods each have limitations, nanomaterials can enhance their effectiveness by targeting smaller plastic particles that traditional methods miss. Better removal technologies could ultimately reduce human exposure to microplastics in drinking water and food.
Remediation strategies for micro/nanoplastic pollution using magnetic nanomaterials
This review surveys recent developments in using magnetic nanomaterials, such as iron oxide nanoparticles and magnetic composites, to remove micro- and nanoplastics from water and soil. These materials can capture plastic particles through adsorption, help clump them together for removal, or even break them down, and they can be magnetically recovered for reuse. The study highlights that magnetic nanomaterials offer a promising approach for cleaning up plastic pollution, though challenges remain in scaling up for real-world use.
Microplastic removal via physical and chemical methods
This review summarizes physical and chemical methods for removing microplastics from water, including filtration, coagulation, magnetic separation, and photocatalytic degradation. Improving removal efficiency is critical for protecting drinking water supplies and reducing the amount of microplastic that aquatic organisms and humans are exposed to.
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.
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.
Magnetic separation and degradation approaches for effective microplastic removal from aquatic and terrestrial environments
This review covers methods for removing microplastics from water and soil environments using magnetic separation and degradation technologies. Researchers describe how microplastics can be captured using magnetic particles and then broken down through biodegradation, advanced oxidation, or electrochemical processes. The study highlights these combined approaches as promising strategies for addressing microplastic pollution across both aquatic and land-based ecosystems.
A Cheap and Portable Solution for The Removal of Microplastics from Natural Waters
This paper reviews current and emerging strategies for removing microplastics from natural waters, including physical filtration, coagulation, magnetic separation, and biological approaches, evaluating their feasibility and limitations.
Removal of microplastics in water: Technology progress and green strategies
Researchers reviewed existing technologies for removing microplastics from water, including filtration, magnetic separation, chemical coagulation, and biodegradation. Each method has significant trade-offs — filtration is costly, chemical approaches risk secondary pollution, and biological methods are slow — pointing to the need for integrated, environmentally friendly strategies that combine multiple approaches.
Preparation of magnetic Janus microparticles for the rapid removal of microplastics from water
Researchers developed a new type of magnetic particle that can quickly remove microplastics from water, achieving 92% removal of polystyrene and 61% removal of polyethylene in just 20 minutes. These magnetic Janus microparticles work by attracting plastic through multiple mechanisms and can be easily collected with a magnet for reuse. This technology could be a practical tool for cleaning microplastics from drinking water and wastewater, helping reduce human exposure.
Magnetic polymeric composites: potential for separating and degrading micro/nano plastics
Researchers reviewed how magnetic composite materials can be used to attract, capture, and chemically break down microplastics and nanoplastics in wastewater, finding that combining magnetic separation with advanced oxidation or photocatalysis offers one of the most promising approaches for removing these persistent plastic pollutants from water.
Pollution to Solution: Understanding and Addressing Microplastic Contamination in the Environment
This review synthesizes current knowledge on how microplastics and nanoplastics are distributed across freshwater and marine environments, how they interact with and are taken up by aquatic organisms, and what removal technologies show the most promise. It covers the full lifecycle from macroplastic fragmentation to nano-scale particles, and surveys physical, chemical, and biological treatment methods. The review provides a useful overview for researchers and environmental managers looking to understand the scope of the microplastic problem and identify where interventions are most needed.
Testing an Iron Oxide Nanoparticle-Based Method for Magnetic Separation of Nanoplastics and Microplastics from Water
Researchers tested iron oxide nanoparticles with hydrophobic coatings as a method for magnetically separating micro- and nanoplastics from water. The approach achieved 100% removal of larger microplastics and nearly 90% removal of nanoplastics using a simple permanent magnet, suggesting a viable method for water purification and environmental monitoring.
Magnetic and electrical techniques for the effective removal of microplastics and nanoplastics
This review covers the latest advances in using magnetic and electrical methods to remove microplastics and nanoplastics from the environment, including magnetic iron-based and carbon-based materials, magnetic micro-robots, electrocoagulation, electrosorption, and electrokinetic separation. These physical and electrochemical approaches are gaining traction as efficient, chemical-free alternatives to conventional filtration. The review helps identify which removal technologies are most promising for large-scale water treatment applications.
Magnetic nanocomposites: innovative adsorbents for antibiotics removal from aqueous environments–a narrative review
This review examines how magnetic nanocomposite materials can be used to remove pharmaceutical pollutants from water. While not directly about microplastics, the technology is relevant because microplastics in water often carry pharmaceutical residues that conventional treatment cannot fully remove. Better water filtration methods like these could help reduce human exposure to the cocktail of pollutants that microplastics transport.
A Review of Materials for the Removal of Micro- and Nanoplastics from Different Environments
This review evaluates methods for removing microplastics and nanoplastics from water, soil, and air, finding that traditional approaches like filtration work for larger particles but struggle with nanoscale plastics. Newer technologies like magnetic nanoparticles and photocatalysis show promise, but challenges remain in making these solutions affordable and scalable for real-world cleanup.
Microplastics and other pollutants in the aquatic environment: study of interactions and new removal strategies
Researchers evaluated iron magnetic nanoparticles (MNPs) with varying surface modifications -- bare Fe3O4, TEOS-coated, and TEOS+MPS-coated -- for removing four types of microplastics (Nylon 6, PTFE at two sizes, and PMMA) from water, assessing how surface chemistry and synthesis time affect removal efficiency.
Magnetic Cobalt and Other Types of Ferrite Nanoparticles: Synthesis Aspects and Novel Strategies for Application in Wastewater Treatment (Review)
This review examines how magnetic ferrite nanoparticles can be used to remove pollutants from wastewater through both physical adsorption and light-activated chemical breakdown. While focused on water treatment technology rather than microplastics directly, these nanoparticles could potentially be used to capture or degrade microplastics and the toxic chemicals they carry. Advances in wastewater treatment are essential for reducing the amount of microplastics that reach drinking water sources.