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61,005 resultsShowing papers similar to Degradable quaternary ammonium salt-modified rice straw cellulose/chitosan composite aerogel for high-efficiency microplastic adsorption
ClearBiodegradable taro stem cellulose aerogel: A simple approach for adsorbing microplastics and dyestuffs contaminants
Scientists created a biodegradable aerogel from waste taro stems that can effectively absorb both microplastics and dye pollutants from water. The material maintained strong performance across different water conditions and could be reused for at least five cycles, offering a green solution for removing multiple contaminants from water simultaneously.
Germination-induced nanoarchitectonic assembly of quinoa protein at neutral pH and its aerogels for microplastic removal
Researchers used germination-induced protein fibrillation of quinoa protein at neutral pH to fabricate low-cost aerogels capable of removing polystyrene and polyethylene microplastics from water. The plant-based aerogels achieved high adsorption capacity without requiring acidic or energy-intensive processing, offering a sustainable alternative for MP remediation.
Synergistic Microplastics Capture and Bacterial Inhibition by a Cationic COF‐Reinforced Chitosan/Tannic Acid Aerogel
Researchers developed a cationic covalent organic framework aerogel made from chitosan and tannic acid that effectively captures microplastics from water while also inhibiting bacteria. The study suggests this low-cost, monolithic aerogel overcomes the limitations of powdered materials and offers a practical, convenient approach for microplastic removal from contaminated water.
Dialdehyde modified and cationic aerogel for efficient microplastics adsorption from environmental waters
Scientists developed a plant-based aerogel material that can efficiently absorb microplastics from water, achieving removal rates above 90% across a wide range of water conditions. The material maintained its effectiveness after eight reuse cycles, making it a practical and eco-friendly solution. This type of technology could help reduce microplastic levels in rivers, lakes, and reservoirs that supply drinking water.
Fish Gill-InspiredBidirectional Porous PolysaccharideAerogels for Micro/Nanoplastics Removal
Inspired by fish gill structure, researchers created a bidirectional porous aerogel from chitosan, cellulose nanofibers, and polydopamine that achieved adsorption capacities exceeding 300 mg/g for micro- and nanoplastics, offering a sustainable bio-based removal material.
Fish Gill-Inspired Bidirectional Porous Polysaccharide Aerogels for Micro/Nanoplastics Removal
Researchers developed a fish gill-inspired bidirectional porous aerogel made from chitosan and other polysaccharides for removing micro- and nanoplastics from water. The biomimetic structure allowed efficient capture of plastic particles across a wide size range while maintaining good water flow. The study presents a sustainable filtration approach using biodegradable materials that could address the challenge of removing tiny plastic particles from freshwater systems.
Emerging Porous Materials for Adsorptive Removal of Microplastics and Nanoplastics from Aquatic Environments: A Review
This review summarizes recent advances in using porous materials, including sponges, aerogels, hydrogels, metal-organic frameworks, and carbon-based adsorbents, to remove microplastics and nanoplastics from water. Researchers found that adsorption using these materials is a promising, cost-effective approach that outperforms conventional water treatment methods for plastic particle removal. The study identifies key challenges and future research directions for developing practical adsorbents for real-world plastic pollution mitigation.
Biowaste derived sustainable carbon aerogels/polyvinylidene fluoride composites for effective removal of organic pollutants/oils
Researchers created carbon aerogel composites from biological waste combined with a fluorinated polymer to remove oil spills and organic pollutants from water. The sustainable, low-cost material showed strong performance for environmental cleanup applications, including potential use in addressing plastic-associated contamination.
High-performance amino-crosslinked phosphorylated microcrystalline cellulose/MoS2 hybrid aerogel for polystyrene nanoplastics removal from aqueous environments
Researchers fabricated a porous aerogel from phosphorylated cellulose and molybdenum disulfide nanosheets functionalized with polyethyleneimine and showed it removes carboxyl-modified polystyrene nanoplastics from water with an adsorption capacity of 402 mg/g, maintaining performance across a range of water chemistries and remaining reusable after multiple cycles.
Efficient microplastics adsorption in aqueous environments via bidirectional ordered graphene oxide/nanocellulose aerogels
Researchers developed a new material made from graphene oxide and nanocellulose that can effectively remove microplastics from water. The aerogel absorbed up to 241 milligrams of microplastics per gram of material and maintained over 80% efficiency after 20 reuse cycles. This kind of reusable filter technology could help reduce the amount of microplastics reaching drinking water sources and the food chain.
A layer-by-layer assembled superhydrophobic composite aerogel for rapid and high-capacity removal of microplastics from beverages
A superhydrophobic composite aerogel was synthesized using a layer-by-layer strategy combining an "egg-box" cellulose nanofiber network with silicone polymers, achieving an impressive polystyrene microplastic adsorption capacity of 555.5 mg/g within 100 minutes—driven primarily by hydrophobic interactions—and demonstrating high stability and reusability for microplastic removal from beverages.
Coral-inspired environmental durability aerogels for micron-size plastic particles removal in the aquatic environment
Researchers developed a coral-inspired polydopamine-enhanced magnetic cellulose aerogel for removing micron-sized microplastic particles from water, mimicking corals' active adsorption and passive adhesion mechanisms to achieve effective microplastic capture.
Rapid adsorption of directional cellulose nanofibers/3-glycidoxypropyltrimethoxysilane/polyethyleneimine aerogels on microplastics in water
Researchers developed a cellulose nanofiber aerogel modified with polyethyleneimine for rapidly adsorbing microplastics from water. The study found that the aerogel reached adsorption equilibrium within just 20 minutes and followed established kinetic and isotherm models. These findings suggest that modified cellulose-based aerogels could serve as effective, green materials for removing microplastic contamination from water bodies.
Cellulose-Based Aerogels for Environmentally Sustainable Applications: A Review of the Production, Modification, and Sorption of Environmental Contaminants
This review explores how aerogels made from cellulose, a natural plant-based material, can be used to filter pollutants including microplastics from water and soil. While cellulose aerogels are promising because they are biodegradable and come from renewable sources, they need chemical modifications to work effectively in water treatment applications.
Cellulose aerogels in water pollution treatment: Preparation, applications and mechanism
This review explores how cellulose aerogels, derived from the most abundant natural polymer on Earth, can be used to treat water pollution including microplastic contamination. Researchers found that these biodegradable materials offer a promising sustainable alternative for water treatment due to their unique porous structure, high surface area, and ease of functionalization.
The use of chitosan for water purification from microplastics
Researchers investigated chitosan as a sorbent for removing microplastics from water, analyzing its physicochemical properties and proposing an optimized purification method based on chitosan's sorption characteristics.
Hybrid Chitin-Coffee Ground Biochar Foam for Microplastic Adsorption
Researchers developed a sustainable hybrid foam made from waste seafood chitin and used coffee ground biochar for filtering microplastics from water. The study found that the foam achieved consistently high adsorption efficiency across seawater, river water, and deionized water, particularly for polystyrene microspheres larger than 1 micrometer, offering an eco-friendly approach to microplastic removal.
Biobased Composite Aerogels for Efficient Flow-Through Capture of Nanoplastics via Multimodal Interfacial Interactions
Scientists created a new sponge-like filter made from natural materials that can remove nearly 100% of tiny plastic particles from water. These nanoplastics are so small they're invisible to the naked eye but pose potential health risks when they get into drinking water. The filter works efficiently with very little energy, offering a promising way to clean up water contaminated with plastic pollution.
Revivable self-assembled supramolecular biomass fibrous framework for efficient microplastic removal
Scientists developed a sustainable material made from chitin and cellulose, two natural compounds, that can efficiently remove multiple types of microplastics from water. The material can be regenerated and reused multiple times without losing effectiveness, making it a practical tool for water cleanup. This type of affordable, eco-friendly filtration technology could help reduce human exposure to microplastics in drinking water.
Aerogels Fabricated from Wood-Derived Functional Cellulose Nanofibrils for Highly Efficient Separation of Microplastics
Researchers developed aerogel filters from chemically modified wood-derived cellulose nanofibrils that achieved up to 100% efficiency in removing polystyrene microplastics from water. The aerogels captured microplastics through a combination of physical entrapment, electrostatic interaction, and hydrogen bonding, and maintained their effectiveness over eight filtration cycles. The study demonstrates a promising green technology using sustainable materials for addressing microplastic pollution in aquatic environments.
Highly Efficient, Recyclable Microplastic Adsorption Enabled by Chitin Hydrogen Bond Network Rearrangement
Scientists developed a foam made from chitin, a natural material found in seafood shells, that can absorb over 400 milligrams of nano-sized microplastics per gram of material, even in saltwater. This recyclable, sustainable approach could help clean microplastics from ocean water, and the recovered plastic can be converted into useful products.
Effects of microcrystalline cellulose on some performance properties of chitosan aerogels
Researchers developed bio-based aerogels from chitosan reinforced with microcrystalline cellulose, testing their physical and mechanical properties. This work explores sustainable, biodegradable materials that could reduce reliance on conventional petroleum-based plastics.
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.
Nature-derived hydrogel for microplastic removal
Scientists developed a nature-based hydrogel made from chitin and lignin that can remove nanoplastics from wastewater with very high efficiency, absorbing up to 1,791 milligrams of plastic per gram of material. This sustainable, reusable filter could help reduce the amount of tiny plastic particles that reach drinking water and ultimately the human body.