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61,005 resultsShowing papers similar to In Operando Characterization of NanocelluloseBased Water Treatment Materials Using Atomic Force Microscopy andSynchrotron Scattering
ClearIn Operando Characterization of Nanocellulose Based Water Treatment Materials Using Atomic Force Microscopy and Synchrotron Scattering
Researchers developed and characterized nanocellulose-based water treatment materials in both anionic and cationic forms using atomic force microscopy and synchrotron scattering under operando conditions, revealing the adsorption mechanisms governing pollutant removal. The study demonstrates that nanocellulose surface chemistry can be tuned to selectively interact with diverse water contaminants through electrostatic, complexation, and hydrophobic mechanisms.
Understanding interactions of pharmaceutical pollutants with cellulosic materials
Researchers used surface plasmon resonance (SPR) to examine the adsorption mechanisms of three pharmaceutical pollutants -- ibuprofen, naproxen, and 17-alpha-ethinyl estradiol -- onto nanocellulose films with varying surface charge, including mechanically disintegrated cellulose nanofibrils and TEMPO-oxidized nanofibers. The study identified key factors governing pollutant-cellulose affinity to support the development of cellulosic materials for sustainable water purification.
Developments in the Application of Nanomaterials for Water Treatment and Their Impact on the Environment
This review covers the application of nanomaterials for water treatment and remediation, evaluating how nanomaterial properties enable removal of pollutants including heavy metals, organic contaminants, and microplastics. It surveys the current state of research and discusses practical challenges for scaling up nanomaterial-based water treatment.
Cellulose-Based Sorbents: A Comprehensive Review of Current Advances in Water Remediation and Future Prospects
This review examines advances in cellulose-based sorbent materials for removing heavy metals and organic pollutants from wastewater. The study highlights that various modification methods such as carboxylation, amination, and oxidation can enhance cellulose's sorption capacity, making it a promising biodegradable alternative for sustainable water treatment technologies.
Water Filtration Membranes Based on Non-Woven Cellulose Fabrics: Effect of Nanopolysaccharide Coatings on Selective Particle Rejection, Antifouling, and Antibacterial Properties
Researchers found that coating non-woven cellulose fabrics with nanopolysaccharides — including cellulose nanocrystals, TEMPO-oxidized cellulose nanofibers, and chitin nanocrystals — improved wettability, surface charge, and water purification performance while providing antifouling and antibacterial properties.
Nanocellulose for Wastewater Treatment
This review examines the potential of nanocellulose, a material derived from plant fibers, as an eco-friendly solution for removing contaminants from polluted water. Researchers found that nanocellulose's large surface area and ability to be chemically modified make it effective at capturing heavy metals, dyes, and other pollutants. The study suggests this renewable material could serve as a sustainable alternative to conventional water treatment methods.
Effective removal of nanoplastics from water by cellulose/MgAl layered double hydroxides composite beads
Researchers developed cellulose and layered double hydroxide composite beads to remove nanoplastics from water. The material achieved a maximum removal capacity of 6.08 mg/g through mechanisms involving pore diffusion, hydrogen bonding, and electrostatic interactions, suggesting it could be a promising adsorbent for micro- and nanoplastic removal from water.
Cellulose nanofibril-loaded filter paper for highly efficient removal of microplastics via multiscale capture mechanisms
Researchers fabricated a cellulose nanofibril-loaded filter paper composite and found it achieved over 93% removal efficiency for polystyrene, polypropylene, and PET microplastics through a combination of physical interception, electrostatic interactions, and hydrogen bonding.
Potential of Nanocellulose for Microplastic removal: Perspective and challenges
Researchers reviewed how nanocellulose — tiny fibers derived from plant cell walls — can capture and remove microplastics from water through its large surface area and adaptable chemistry, positioning it as a promising, naturally biodegradable filter material. While early results are encouraging, further research is needed to optimize how nanocellulose works at scale in real drinking water and wastewater treatment systems.
Functionalization of cellulose acetate nanofibrous membranes for removal of particulate matters and dyes
Researchers developed functionalized cellulose acetate nanofibrous membranes capable of removing both microplastics and dye molecules from industrial wastewater. They used an innovative one-step surface modification process to create carboxylated membranes via electrospinning. The study demonstrates a new cellulose-based filtration approach that could address multiple contaminants in wastewater simultaneously.
Tailored cellulose-based flocculants for microplastics removal: Mechanistic insights, pH influence, and efficiency optimization
Researchers developed plant-derived (cellulose-based) flocculants that clump microplastics together so they can be more easily removed from water, finding that a low concentration of 0.001 g/mL was optimal and that both electrical charge and water-repelling interactions drive the process depending on the type of plastic.
Employing Atomic Force Microscopy (AFM) for Microscale Investigation of Interfaces and Interactions in Membrane Fouling Processes: New Perspectives and Prospects
This review explores how atomic force microscopy can be used to study membrane fouling at the microscale, providing detailed three-dimensional images and force measurements in liquid environments. Researchers highlight how this technique reveals the interactions between foulants and membrane surfaces that drive clogging during wastewater treatment. The study identifies new opportunities for using atomic force microscopy to develop fouling-resistant membrane technologies.
Synthesis, Characterization and Application of Polypyrrole Functionalized Nanocellulose for the Removal of Cr(VI) from Aqueous Solution
Researchers synthesized a polypyrrole-functionalized nanocellulose nanocomposite for removing chromium(VI) from aqueous solutions, demonstrating effective heavy metal adsorption using this sustainable material.
Evaluating the effectiveness of adsorption nano-techniques for microplastic removal: Insights and future prospects
This review evaluates the effectiveness of various adsorbent materials, including activated carbon, bioadsorbents, and advanced nanomaterials, for removing microplastics and nanoplastics from water. Researchers examined key factors like pore size, surface charge, and environmental conditions that influence removal efficiency. The study highlights the need for developing more sustainable and cost-effective adsorbent materials to tackle growing microplastic contamination in water sources.
Exploring trends of wastewater treatment by using nano-materials and their composites with bio-polymer
This review examines trends in wastewater treatment using nanomaterials and their composites with biopolymers, analyzing techniques including nanofiltration, adsorption, disinfection, and bioremediation for removing pollutants such as heavy metals, biological oxygen demand, and toxic compounds from industrial effluents.
Fonksiyonelleştirilmiş selüloz esaslı yenilikçi bir adsorbentin farmasötik adsorpsiyon performansının incelenmesi
Researchers synthesized and evaluated two cellulose-based adsorbents -- CAc-PPUF and CMC-HMPUF -- for removing pharmaceutical micropollutants from water, finding that both materials demonstrated affinity for the target compounds. Batch adsorption experiments showed CAc-PPUF achieved higher removal efficiency for all three tested pharmaceutical compounds compared to CMC-HMPUF.
Multiple roles of dissolved organic matter on typical engineered nanomaterials: environmental behaviors, pollutants removal and potential risks
This review examines how dissolved organic matter in natural water interacts with engineered nanomaterials, influencing their environmental behavior, pollutant removal capacity, and potential ecological risks in aquatic systems.
Best of Both Worlds: Adsorptive Ultrafiltration Nanocellulose‐Hypercrosslinked Polymer Hybrid Membranes for Metal Ion Removal
Researchers developed an adsorptive ultrafiltration membrane combining nanocellulose and hypercrosslinked polymer to achieve high removal of both microplastics and dissolved contaminants, demonstrating dual-function performance in water treatment.
Tailoring Interactions of Random Copolymer Polyelectrolyte Complexes to Remove Nanoplastic Contaminants from Water
Researchers developed oppositely charged random copolymer polyelectrolyte complexes and demonstrated their ability to quantitatively remove nanoplastic contamination from aqueous solution, finding through computational simulations and quartz crystal microbalance experiments that hydrophobic nanostructures play a central role in the remediation mechanism.
Capturing colloidal nano- and microplastics with plant-based nanocellulose networks
Researchers developed a plant-based nanocellulose network that can capture even the smallest nanoplastic particles from water. The material works primarily through its moisture-absorbing properties, which are enhanced by the extremely high surface area of nanocellulose fibers. This technology could enable both better measurement of nanoplastic contamination in water and practical on-site collection of these hard-to-capture particles.
Lifecycle, toxicology, and exposure pathways of functional nanomaterials in water treatment: Implications for environmental and human Health
This review examines the full lifecycle of functional nanomaterials used in water treatment, from their effectiveness at removing pollutants like pharmaceuticals, heavy metals, and microplastics to the environmental and health risks they may pose after use. Researchers found that while these materials show strong performance, their long-term fate in the environment and potential toxicity remain insufficiently studied. The study emphasizes the need for lifecycle-based risk assessments before deploying nanomaterials at scale in water treatment systems.
COMPOSITE MEMBRANES BASED ON MXene AND NANOCELLULOSE: PROPERTIES AND WATER PURIFICATION EFFICIENCY
Researchers reviewed composite membranes based on MXene and nanocellulose for water purification, evaluating their ability to remove heavy metals, dyes, pharmaceuticals, and microplastics. The membranes demonstrated high removal efficiency across contaminant types due to their large surface area and tunable charge properties.
Size exclusion and affinity-based removal of nanoparticles with electrospun cellulose acetate membranes infused with functionalized cellulose nanocrystals
Researchers developed composite membranes by infusing electrospun cellulose acetate with functionalized cellulose nanocrystals, achieving enhanced tensile strength, wettability, and superior nanoparticle retention through both size exclusion and electrostatic affinity mechanisms.
Virus adsorbent systems based on Amazon holocellulose and nanomaterials
Researchers developed virus adsorbent systems using Amazon region holocellulose combined with nanomaterials, testing their capacity to capture model viruses from aqueous solutions. The cellulose-nanoparticle composites showed high virus adsorption efficiency, suggesting they could serve as low-cost filtration materials for virus removal in water treatment in tropical regions.