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61,005 resultsShowing papers similar to Quaternary Ammonium Groups Modified Magnetic Cyclodextrin Polymers for Highly Efficient Dye Removal and Sterilization in Water Purification
ClearRecent Advancements in Cyclodextrin-Based Adsorbents for the Removal of Hazardous Pollutants from Waters
Researchers reviewed recent advances in cyclodextrin-based adsorbents for removing hazardous pollutants from wastewater, including heavy metals, dyes, and organic pollutants. The study evaluated various synthesis methods and applications, along with the regenerative potential of these materials. The findings suggest that cyclodextrin-based adsorbents are a promising and increasingly popular approach for water treatment.
Methamphetamine Removal from Aquatic Environments by Magnetic Microrobots with Cyclodextrin Chiral Recognition Elements
Researchers developed magnetic microrobots functionalized with cyclodextrin to remove methamphetamine from aquatic environments, addressing the failure of conventional wastewater treatment to eliminate this emerging pharmaceutical contaminant. The microrobots combined selective drug capture by cyclodextrin with magnetic recovery from treated water.
Preparation and Characterization of Fe3O4/Poly(HEMA-co-IA) Magnetic Hydrogels for Removal of Methylene Blue from Aqueous Solution
Not relevant to microplastics — this study synthesizes magnetic hydrogels (iron oxide particles in a polymer network) for removing the dye methylene blue from water, a water treatment application unrelated to microplastic pollution.
Tailorable Nanoparticles for Magnetic Water Cleaning of Polychlorinated Biphenyls
Researchers developed magnetic nanoparticles with customizable surface coatings that can capture and remove polychlorinated biphenyls, a class of persistent organic pollutants, from contaminated water. The nanoparticles bind the pollutants and can then be pulled out of the water using a simple magnet, enabling easy cleanup. The technology offers a promising, low-cost approach to removing hazardous chemical contaminants from water supplies.
Magnetic Nanostructures for the Removal of Emerging Organic and Inorganic Pollutants: An Overview of Applications in Contaminated Water
Scientists have developed tiny magnetic particles that can remove up to 99% of harmful chemicals and heavy metals from contaminated water in lab tests. This research review shows these magnetic "nano-cleaners" can pull out dangerous pollutants like pesticides, pharmaceuticals, and toxic metals like lead, then be easily removed from the water using magnets. While still being tested in laboratories, this technology could eventually help create cleaner drinking water and reduce human exposure to health-threatening contaminants.
A comprehensive review on impregnated magnetic nanoparticle in advanced wastewater treatment: An in-depth technical review and future directions
Researchers reviewed how iron-based magnetic nanoparticles (tiny particles 10–100 nm in size) can remove pollutants like heavy metals, pharmaceuticals, and microplastics from wastewater with over 90% efficiency, while being recoverable with a magnet and reusable up to 10 times. The technology uses 20–30% less energy than traditional treatments and shows strong potential for large-scale water purification.
Corals-inspired magnetic absorbents for fast and efficient removal of microplastics in various water sources
Researchers designed coral-inspired magnetic absorbents by coating mesoporous iron oxide nanoparticles with polymerized dopamine to capture microplastics from water. The biomimetic design enabled fast and efficient removal of microplastic particles from various water sources. The study demonstrates a promising magnetic separation approach for microplastic remediation that could be applied across different water treatment scenarios.
Functional Nanohybrids and Nanocomposites Development for the Removal of Environmental Pollutants and Bioremediation
This review examined functional nanohybrid and nanocomposite materials developed for removing environmental pollutants including heavy metals, dyes, and microplastics from water, assessing synthesis approaches and removal mechanisms. Multifunctional nanomaterials combining adsorptive, photocatalytic, and magnetic properties were identified as the most promising candidates for sustainable water treatment.
Magnetic Mesoporous Carbon/β-Cyclodextrin–Chitosan Nanocomposite for Extraction and Preconcentration of Multi-Class Emerging Contaminant Residues in Environmental Samples
Researchers developed a magnetic mesoporous carbon/beta-cyclodextrin-chitosan nanocomposite for dispersive magnetic solid-phase extraction of ten emerging contaminants including fluoroquinolone antibiotics and parabens from environmental water samples, achieving detection limits of 0.1 to 0.7 micrograms/L.
Preparation and Application of Magnetic Composites Using Controllable Assembly for Use in Water Treatment: A Review
Not directly relevant to microplastics — this review covers magnetic composite materials and their use in treating dye, heavy-metal, and oily wastewater, without specific focus on microplastic contamination.
Nanoarchitectonics of molybdenum rich crown shaped polyoxometalates based ionic liquids reinforced on magnetic nanoparticles for the removal of microplastics and heavy metals from water
This study developed mesoporous composite adsorbents consisting of polyoxometalate-based ionic liquids on magnetic silica-coated nanoparticles for simultaneous removal of heavy metals and microplastics from water. The composites achieved high removal efficiency for both contaminant classes and could be magnetically separated for reuse, offering a dual-function water treatment material.
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.
Selective Removal of Anionic and Cationic Dyes Using Magnetic Composites
Researchers synthesized a composite material combining zinc-aluminum layered double hydroxide with magnetic biochar and tested it for removing dyes from water. The composite effectively adsorbed both positively and negatively charged dyes, and its magnetic properties allowed easy recovery from solution. The study demonstrates that this type of composite adsorbent could be a practical, reusable tool for treating dye-contaminated wastewater.
Synthesis and Evaluation on the Performance of Ferrofluid in Wastewater Treatment
Researchers evaluated iron oxide magnetic nanoparticles (ferrofluids) as a water treatment technology capable of removing turbidity, metals, and organic contaminants. Magnetic nanoparticles that can also capture microplastics from water represent a promising approach for more comprehensive water purification.
Fast Procedure for Removing Silver Species in Waters Using a Simple Magnetic Nanomaterial
Not relevant to microplastics — this paper presents a method for removing ionic and nanoscale silver from water using in-situ-formed magnetic nanoparticles, targeting silver as an emerging contaminant from COVID-era disinfectants.
Superhydrophobic FeNi3/Al2O3 multifunctional hybrid Janus particles for the catalytic degradation of azo dye, oil/water separation and microplastics removal
Researchers created superhydrophobic Janus particles that can simultaneously remove oil, degrade dye pollutants, and filter microplastics from water. The particles showed high efficiency across all three applications and could be magnetically recovered for reuse. The study presents a versatile, multi-purpose material for addressing several types of water contamination at once.
Efficient and Selective Removal of Heavy Metals and Dyes from Aqueous Solutions Using Guipi Residue-Based Hydrogel
Researchers created a hydrogel material from Chinese herbal medicine residue and chitosan that can effectively remove lead, cadmium, and toxic dyes from polluted water. The material maintained its cleaning ability through at least five reuse cycles. While not focused on microplastics, this type of water treatment technology could be part of broader solutions for removing multiple contaminants, including microplastics, from drinking water sources.
Fabrication of porous beta-cyclodextrin functionalized PVDF/Fe–MOF mixed matrix membrane for enhanced ciprofloxacin removal
Researchers developed a specialized water filtration membrane by combining a PVDF polymer with iron-based metal-organic frameworks and beta-cyclodextrin, achieving 87.6% removal of the antibiotic ciprofloxacin from water while maintaining strong performance across five reuse cycles.
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.
A Recyclable Magnetic Biochar from Corn Cobs and Red Mud for Treating Complex Contaminants Containing Dyes and Heavy Metals
Researchers synthesized a recyclable magnetic multifunctional biochar (MMBC-400) from co-pyrolysis of corn cobs and red mud at 400°C and demonstrated its effectiveness for simultaneously removing malachite green dye and Pb2+ from complex wastewater, achieving high removal efficiency in both single and binary contaminant systems with magnetic recyclability.
Recent advances in magnetic sodium alginate-based composites as the emerging adsorbents for wastewater treatment: A review
This review examines recent advances in magnetic sodium alginate-based composite materials as adsorbents for water contaminant removal, evaluating their effectiveness for removing heavy metals, dyes, pharmaceuticals, and microplastics from aqueous systems.
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.
Structure–function correlation of branched and linear polyaramides for the removal of pollutants from water
A series of branched and linear polyaramides were synthesized and evaluated for removing dissolved pollutants from water, with both nanoplastic particles and dyes effectively removed through adsorption, demonstrating that polyaramide architecture significantly influences pollutant removal performance.
Synthesis and characterization of magnetic nanoparticles functionalized with carbon-based quantum dots (CQDs) for microplastic elimination
Researchers developed magnetic nanoparticles decorated with carbon quantum dots capable of removing microplastics from water using a magnet. This Spanish-language study demonstrates a promising approach to extracting small plastic particles from contaminated water that standard filtration systems miss.