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61,005 resultsShowing papers similar to Inherently Micro/Nano‐Patterned and Hydrophobic‐Hydrophilic Inlay Natural Material Assembly for Efficient Nanoplastics Removal
ClearBiodegradable and re-usable sponge materials made from chitin for efficient removal of microplastics
Researchers developed biodegradable sponges made from chitin, a natural material, that can effectively remove tiny microplastic particles smaller than 3 micrometers from water. The sponges achieved removal rates of up to 92% and could be reused for multiple cycles while remaining safe for aquatic organisms. This green approach offers a promising, environmentally friendly method for cleaning microplastics from water systems.
Biodegradable sponges made from chitin-cellulose nanofibers for sustainable removal of microplastics from aquatic environment
Researchers developed a biodegradable sponge made from chitin and cellulose nanofibers that can remove up to 93% of microplastics from water. The sponge maintained strong performance after four reuse cycles and naturally biodegraded in soil environments. The study presents a sustainable, eco-friendly approach to cleaning microplastic contamination from aquatic ecosystems without introducing additional persistent pollutants.
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.
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.
Wood-Mimetic hierarchical porous sponges from Chitosan and tannin for efficient microplastic remediation and Closed-loop upcycling
Scientists created a natural sponge made from chitosan (a substance from shellfish) and tannins (plant compounds) that can remove over 96% of tiny plastic particles from water in just 6 hours. The sponge mimics the structure of wood and can trap different types of microplastics, which are harmful particles that contaminate our drinking water and food supply. After the sponge is used up, it can be recycled into a device that purifies water using solar energy, making this a sustainable solution for cleaning up plastic pollution.
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.
Utilizing nature-based adsorbents for removal of microplastics and nanoplastics in controlled polluted aqueous systems: A systematic review of sources, properties, adsorption characteristics, and performance
This systematic review evaluates how natural materials like agricultural waste and plant-based substances can be used to filter microplastics and nanoplastics from water. The research shows that these nature-based solutions offer a sustainable and effective approach to reducing plastic particle contamination in drinking water and wastewater systems.
Ultralight sponge made from sodium alginate with processability and stability for efficient removal of microplastics
Researchers developed an ultralight sponge made from sodium alginate, a natural seaweed-derived material, that can efficiently capture and remove microplastics from water. The sponge demonstrated high water absorption and strong microplastic removal capabilities while remaining stable and reusable. The study suggests this low-cost, biodegradable material could be a practical solution for filtering microplastic pollution from marine environments.
Mechanically durable anti-bacteria non-fluorinated superhydrophobic sponge for highly efficient and fast microplastic and oil removal
A superhydrophobic sponge was engineered to selectively remove microplastics and oil from water, achieving high removal efficiency while also demonstrating antibacterial properties. The material maintained its performance across repeated use cycles, offering a promising approach for practical water treatment applications.
Eco-friendly hydrophobic ZIF-8/sodium alginate monolithic adsorbent: An efficient trap for microplastics in the aqueous environment
Scientists created an eco-friendly sponge-like material made from a metal-organic framework (ZIF-8) and seaweed-based sodium alginate that can trap microplastics from water. The material removed up to 594 milligrams of microplastics per gram of adsorbent and worked well even in real-world water samples like tap water, river water, and seawater. This type of practical, reusable filter material could help reduce the amount of microplastics reaching drinking water supplies.
An ultra-light sustainable sponge for elimination of microplastics and nanoplastics
Researchers created an ultra-light sponge from corn starch and gelatin that can capture micro- and nanoplastics from water and food with up to 90% efficiency by simple pressing. The sponge is fully biodegradable and can be broken down by enzymes into glucose after use. The study presents a low-cost, sustainable tool for removing tiny plastic particles from contaminated environments without creating additional waste.
A Chitosan Nanofiber Sponge for Oyster-Inspired Filtration of Microplastics
An ultralight chitosan nanofiber sponge was developed as a filtration material for removing microplastics from water, inspired by oyster filtration biology, and demonstrated high removal efficiency for polystyrene microplastics in lab tests while being biodegradable and made from renewable chitosan feedstock.
Toward the review on sustainable elimination of microplastics: Materials, strategies, and advantages
This review evaluates sustainable approaches for removing microplastics using natural materials — including sponges, gels, enzymes, and microorganisms — comparing their mechanisms, efficiencies, and advantages over conventional chemical removal methods.
Synthesis of recyclable and light-weight graphene oxide/chitosan/genipin sponges for the adsorption of diclofenac, triclosan, and microplastics
Researchers created a lightweight, recyclable sponge made from graphene oxide, chitosan, and genipin that can effectively remove microplastics and pharmaceutical contaminants from water. The sponge maintained its effectiveness through multiple reuse cycles, making it a practical and affordable water treatment option. This type of technology could help reduce human exposure to microplastics and other harmful substances in drinking water.
Effect of polyaniline dispersibility in chitin sponge matrix controlled by hydrophilicity on microplastics adsorption
Chitin sponges incorporating polyaniline with different hydrophilicities were fabricated and tested for microplastic adsorption, finding that the degree of polyaniline dispersibility in the chitin matrix, controlled by hydrophilicity, strongly determines adsorption capacity.
Sustainable Microplastic Remediation with Record Capacity Unleashed via Surface Engineering of Natural Fungal Mycelium Framework
Researchers developed a microplastic removal system using engineered fungal mycelium that achieved record-breaking capture capacity for plastic particles in water. The surface of the fungal framework was modified to attract and trap microplastics of various types and sizes. This nature-based approach offers a sustainable and potentially scalable method for cleaning microplastic-contaminated water.
A green approach: Utilizing untreated pine pollen grains as a natural biosorbent for microplastic removal from water systems
Researchers tested untreated pine pollen grains as a natural, chemical-free material for removing microplastics from water and achieved removal rates of up to 95 percent for certain plastic types. The pollen's porous surface and natural functional groups enabled it to capture microplastics through electrostatic and hydrophobic interactions, with performance further boosted by adding common surfactants. The study presents a promising low-cost, eco-friendly approach to filtering microplastic pollution from water systems.
Adsorption and removal of polystyrene nanoplastics from water by green-engineered clays
Scientists developed green clay materials made from natural chlorophyll and montmorillonite that can effectively bind and remove polystyrene nanoplastics from drinking water. The materials showed high binding capacity and significantly reduced nanoplastic toxicity in lab organisms. This research is promising for water treatment because it offers an eco-friendly way to reduce human exposure to nanoplastics through contaminated drinking water.
Tiered biomimetic polydimethylsiloxane coated polyurethane sponge for sustainable seawater nanoplastic removal
Researchers developed a superhydrophobic polydimethylsiloxane-coated polyurethane sponge inspired by biomimetic tiered design that achieves a nanoplastic sorption capacity of 406.9 mg/g, removing 96.2% of 240 nm polystyrene nanoplastics in scaled-up experiments with 91.7% retention after 30 regeneration cycles.
A brief review on utilizing natural adsorbents for microplastic removal from wastewater: A sustainable approach to environmental protection
Researchers reviewed natural materials like biochar, clay, algae, and agricultural waste as affordable alternatives to synthetic filters for removing microplastics from wastewater, finding some achieved over 80% removal efficiency in the lab, though scaling these methods to real-world treatment systems remains a significant challenge.
Molecular Mechanisms Governing the Adsorption, Deposition, and Removal of Environmentally Aged Microplastics by Engineered Surfaces
Scientists figured out how tiny plastic particles that have been weathered in the environment stick to different surfaces, then used this knowledge to create a new material that can remove over 92% of these microplastics from water. This breakthrough could lead to better filters and cleanup systems to remove microplastics from drinking water and the environment. Since microplastics are found everywhere from our food to our bloodstream, having effective ways to remove them could help protect human health.
A Comprehensive Review of Natural Polymer‐Based Adsorbents for Microplastic Removal
This review evaluates natural polymer-based materials, including chitosan, cellulose, and alginate, as adsorbents for removing microplastics from water. Researchers found that these renewable materials can achieve removal efficiencies often above 90% through mechanisms including physical interception, hydrophobic interactions, and electrostatic attraction, making them promising candidates for sustainable water treatment systems.
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.