Cellulose Membranes Embedded with Gold–Silver Bimetallic Nanoparticles for the Efficient Reduction of 4-Nitrophenol DOI Creative Commons
Maria Deus Carvalho, João Henrique G. Lago, Samar Hajjar‐Garreau

et al.

ACS Omega, Journal Year: 2025, Volume and Issue: unknown

Published: April 7, 2025

Bimetallic nanoparticles (BNPs) have attracted much attention recently due to their improved properties compared monometallic ones. Gold and silver (AuAgNPs) are among the most studied BNPs. Using these particles as powder or dispersion has drawbacks such ease of aggregation difficulty separating recovering from reaction medium. Therefore, immobilizing in polymeric matrices, cellulose, is appealing. In this context, present work focused on preparing unmodified cellulose membranes containing AuAgNPs for use heterogeneous catalysts reducing pollutant 4-nitrophenol. Incorporating into represents a significant advancement catalysis. addition being eco-friendly, offer handling potential reusability, which crucial factors The were prepared an aqueous medium seeded growth shell around AuNP seeds. Images recorded by transmission electron microscopy showed that diameters smaller than 100 nm core-shell type. membrane was dissolving microcrystalline ionic liquid, followed regeneration process using water. Next, bimetallic incorporated membrane. analyses revealed contain homogeneously distributed matrix, inductively coupled plasma-optical emission spectroscopy (ICP-OES) 0.339 wt % 0.069% gold. produced efficient 4-nitrophenol, used at least four cycles without loss efficiency. This material can be easily isolated medium, avoiding centrifugation filtration processes reuse. study first supported nonmodified catalysts, marking catalysis science.

Language: Английский

Organic waste valorisation towards circular and sustainable biocomposites DOI Creative Commons
Erlantz Lizundia, Francesca Luzi, Débora Puglia

et al.

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

Citations

88

Advances in the extraction, classification, modification, emerging and advanced applications of crystalline cellulose: A review DOI Creative Commons
Ebuka Chizitere Emenike, Kingsley O. Iwuozor, Oluwaseyi D. Saliu

et al.

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

Citations

51

Cellulosic metallic nanocomposites for photocatalytic degradation of persistent dye pollutants in aquatic bodies: A pragmatic review DOI
Ademidun Adeola Adesibikan, Stephen Sunday Emmanuel, Christopher Olusola Olawoyin

et al.

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

Published: March 13, 2024

Language: Английский

Citations

35

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

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

Published: Aug. 30, 2022

Language: Английский

Citations

55

Chitosan-EDTA-Cellulose network as a green, recyclable and multifunctional biopolymeric organocatalyst for the one-pot synthesis of 2-amino-4H-pyran derivatives DOI Creative Commons
Negin Rostami, Mohammad G. Dekamin, Ehsan Valiey

et al.

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

Citations

41

A Pragmatic Review on Bio-polymerized Metallic Nano-Architecture for Photocatalytic Degradation of Recalcitrant Dye Pollutants DOI
Stephen Sunday Emmanuel, Christopher Olusola Olawoyin, Ademidun Adeola Adesibikan

et al.

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

Published: July 24, 2023

Language: Английский

Citations

34

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

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

Published: Feb. 24, 2023

Language: Английский

Citations

27

Novel photocatalyst for dye degradation: Cu2O/Ag2MoO4 nanocomposite on cellulose fibers from recycled cigarette butts DOI
Van‐Dat Doan, Thi Thanh Ngan Nguyen, Hoang Ai Le Pham

et al.

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

Published: Feb. 15, 2024

Language: Английский

Citations

15

New Advances in Antenna Design toward Wearable Devices Based on Nanomaterials DOI Creative Commons
Chunge Wang, Ning Zhang, Chen Liu

et al.

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

Citations

11

Catalytic and biomedical applications of nanocelluloses: A review of recent developments DOI Creative Commons
Danial Khorsandi,

Serena Jenson,

Atefeh Zarepour

et al.

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 268, P. 131829 - 131829

Published: April 25, 2024

Nanocelluloses exhibit immense potential in catalytic and biomedical applications. Their unique properties, biocompatibility, versatility make them valuable various industries, contributing to advancements environmental sustainability, catalysis, energy conversion, drug delivery, tissue engineering, biosensing/imaging, wound healing/dressings. Nanocellulose-based catalysts can efficiently remove pollutants from contaminated environments, sustainable cleaner ecosystems. These materials also be utilized as carriers, enabling targeted controlled release. high surface area allows for efficient loading of therapeutic agents, while their biodegradability ensures safer gradual release within the body. delivery systems enhance efficacy treatments minimizes side effects. Moreover, nanocelluloses serve scaffolds engineering due structural integrity biocompatibility. They provide a three-dimensional framework cell growth regeneration, promoting development functional biologically relevant tissues. dressings have shown great promise healing dressings. ability absorb exudates, maintain moist environment, promote proliferation migration accelerates process. Herein, recent pertaining applications composites are deliberated, focusing on important challenges, advantages, limitations, future prospects.

Language: Английский

Citations

9