Organic waste valorisation towards circular and sustainable biocomposites

Green Chemistry, Journal Year: 2022, Volume and Issue: 24(14), P. 5429 - 5459

Published: Jan. 1, 2022

Organic waste valorisation into biopolymers and nanofillers potentially lowers the pressure on non-renewable resources, avoids generation of waste-streams opens new opportunities to develop multifunctional bio-based products.

Language: Английский

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Advances in the extraction, classification, modification, emerging and advanced applications of crystalline cellulose: A review

Carbohydrate Polymer Technologies and Applications, Journal Year: 2023, Volume and Issue: 6, P. 100337 - 100337

Published: June 21, 2023

The distinctive characteristics and versatile applications of crystalline cellulose have garnered considerable interest in the 21st century, making it an emerging promising material. This review highlights current state art research, with a particular focus on its advanced applications. sources, extraction techniques, classification, modification were also discussed. It was observed that plant biomass is most utilized precursor for synthesis. Findings revealed cellulose-based materials significant potential wide range applications, including 3D printing, photonics, catalysis, energy storage generation, electronics, biomedicine, pharmaceuticals, amongst others. However, there are several challenges associated adoption materials. These include issues related to cost, scalability, recycling, waste management. need continued investment research development optimize properties manufacturing processes these materials, as well education outreach increase awareness promote their adoption. In summary, this emphasizes how has tackle critical global issues, resource depletion climate change. presents prospects future opportunities adopt

Language: Английский

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Cellulosic metallic nanocomposites for photocatalytic degradation of persistent dye pollutants in aquatic bodies: A pragmatic review

Journal of Organometallic Chemistry, Journal Year: 2024, Volume and Issue: 1010, P. 123087 - 123087

Published: March 13, 2024

Language: Английский

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Upcycling face mask wastes generated during COVID-19 into value-added engineering materials: A review

The Science of The Total Environment, Journal Year: 2022, Volume and Issue: 851, P. 158396 - 158396

Published: Aug. 30, 2022

Language: Английский

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Chitosan-EDTA-Cellulose network as a green, recyclable and multifunctional biopolymeric organocatalyst for the one-pot synthesis of 2-amino-4H-pyran derivatives

Scientific Reports, Journal Year: 2022, Volume and Issue: 12(1)

Published: May 23, 2022

Abstract In this research, cellulose grafted to chitosan by EDTA (Cs-EDTA-Cell) bio-based material is reported and characterized a series of various methods techniques such as FTIR, DRS-UV–Vis, TGA, FESEM, XRD EDX analysis. fact, the Cs-EDTA-Cell network more thermally stable than pristine or chitosan. There plenty both acidic basic sites on surface biodegradable network, multifunctional organocatalyst, proceed three-component synthesis 2-amino-4 H -pyran derivatives at room temperature in EtOH. The nanocatalyst can be easily recovered from reaction mixture using filtration reused for least five times without significant decrease its catalytic activity. general, heterogeneous catalyst, demonstrated excellent activity an environmentally-benign solvent afford desired products short required simple experimental work-up procedure compared many protocols similar systems.

Language: Английский

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A Pragmatic Review on Bio-polymerized Metallic Nano-Architecture for Photocatalytic Degradation of Recalcitrant Dye Pollutants

Journal of Polymers and the Environment, Journal Year: 2023, Volume and Issue: 32(1), P. 1 - 30

Published: July 24, 2023

Language: Английский

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Bimetallic (AuAg, AuPd and AgPd) nanoparticles supported on cellulose-based hydrogel for reusable catalysis

Carbohydrate Polymers, Journal Year: 2023, Volume and Issue: 310, P. 120726 - 120726

Published: Feb. 24, 2023

Language: Английский

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Novel photocatalyst for dye degradation: Cu2O/Ag2MoO4 nanocomposite on cellulose fibers from recycled cigarette butts

Journal of Molecular Liquids, Journal Year: 2024, Volume and Issue: 398, P. 124261 - 124261

Published: Feb. 15, 2024

Language: Английский

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New Advances in Antenna Design toward Wearable Devices Based on Nanomaterials

Biosensors, Journal Year: 2024, Volume and Issue: 14(1), P. 35 - 35

Published: Jan. 10, 2024

Wearable antennas have recently garnered significant attention due to their attractive properties and potential for creating lightweight, compact, low-cost, multifunctional wireless communication systems. With the breakthrough progress in nanomaterial research, use of lightweight materials has paved way widespread application wearable antennas. Compared with traditional metallic like copper, aluminum, nickel, nanoscale entities including zero-dimensional (0-D) nanoparticles, one-dimensional (1-D) nanofibers or nanotubes, two-dimensional (2-D) nanosheets exhibit superior physical, electrochemical, performance characteristics. These significantly enhance constructing durable electronic composites. Furthermore, antenna exhibits compact size high deformation stability, accompanied by greater portability wear resistance, owing surface-to-volume ratio flexibility nanomaterials. This paper systematically discusses latest advancements based on 0-D, 1-D, 2-D nanomaterials, providing a comprehensive overview development future prospects field.

Language: Английский

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B and N Codoped Cellulose-Supported Ag-/Bi-Doped Mo(S,O)₃ Trimetallic Sulfo-Oxide Catalyst for Photocatalytic H₂ Evolution Reaction and 4-Nitrophenol Reduction

Langmuir, Journal Year: 2024, Volume and Issue: 40(25), P. 12987 - 13000

Published: June 13, 2024

Cellulose plays a significant role in designing efficient and stable cellulose-based metallic catalysts, owing to its surface functionalities. Its hydroxyl groups are used as anchor sites for the nucleation growth of nanoparticles and, result, improve stability catalytic activity. Meanwhile, cellulose is also amenable modifications be more suitable incorporating stabilizing nanoparticles. Herein, Ag-/Bi-doped Mo(S,O)3 trimetallic sulfo-oxide anchored on B N codoped (B–N–C) synthesized by facile approach showed excellent activity PHER at 573.28 μmol/h H2 with 25 mg catalyst under visible light, 92.3% 4-nitrophenol (4-NP) reduction was achieved within 135 min situ-generated protons. In addition codoping, our use calcination method B–N–C preparation further increases structural disorders defects, which act anchoring The Mo(S,O)3@B–N–C active site stimulates H2O molecule adsorption activation kinetics reduces photogenerated charge carrier's recombination rate. Mo4+ → Mo6+ electron hopping transport O 2p Bi 6s orbital overlap facilitate fast transfer enhancing electron's lifetime photoinduced carrier mobility, respectively. acting support, provides highly conductive network that enhances transport, relocated activates molecule, enables have appreciable performance.

Language: Английский

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