Results 131 to 140 of about 329,147 (290)

Integrated alkaline and deep eutectic solvent-based green strategy for lignin fractionation and thermochemical valorization

Green Chemical Engineering
In this work, an efficient and green strategy for selective extraction and high-value utilization of lignin was proposed. Most of the hemicellulose in the feedstock was first removed by alkaline pretreatment to create a favorable structural environment ...
Penghui Li, Shubin Wu, Honghong Wang, Yuliang He   +3 more
doaj   +1 more source

Synthesis of Carboxylic Cellulose Nanocrystals From Yellow Thatching Grass (Hyparrhenia filipendula) via Citric Acid Hydrolysis

Energy Science &Engineering, EarlyView.
Fractionation of yellow thatching grass using sodium hydroxide and deep eutectic solvent Carboxylated Cellulose nanocrystals (CNCs) were successfully synthesized via hydrolysis with 80 wt% citric acid at 120°C for 4 h Variations in CNC characteristics were observed based on the fractionation method used ABSTRACT Grass is an abundant and renewable ...
Fildah Ayaa, Michael Lubwama, Samuel Ayodele Iwarere, Michael Olawale Daramola, John Baptist Kirabira   +4 more
wiley   +1 more source

Facile Fabrication of Lignin Crosslinked Hydrogel for Cationic Dye Adsorption and Antioxidant

BioResources
Lignin, renowned for its abundance of hydroxyl groups, was utilized in three dimensions to fabricate a hydrogel matrix. In this study, the optimal conditions for the preparation of a lignin-crosslinked hydrogel and its potential for dye and antioxidant ...
Min Soo Kim, Ji Won Heo, Qian Xia, Do Hun Oh, Ji Woo Kim, Yong Sik Kim   +5 more
doaj   +2 more sources

Valorization of Camellia oleifera through integrated lignin extraction and tunable nanoparticle synthesis

AIP Advances
The high-value utilization of Camellia oleifera, a major agroforestry waste, is critical for sustainable biomass management. This study presents a green integrated process for efficient lignin extraction and controllable nanoparticle synthesis via acidic
Yougen Wu, Chengyun Deng, Xiaolu Zhao, Zhiping Wu, Zhenyan Ma, Hui Wang, Lishu Shao, Lin Zhang   +7 more
doaj   +1 more source

Natural polymers as alternative consolidants for the preservation of waterlogged archaeological wood [PDF]

, 2017
In recent years there has been increased interest in examining alternative polymers for the conservation of archaeological artefacts, particularly waterlogged timbers, providing better, renewable, greener alternatives to poly(ethylene glycol) (PEG).
Janeček, ER, Jones, M, Scherman, OA, Walsh, Z   +3 more
core  

Electronic jelly: Engineering the mechanics of hydrogels for flexible electronics

FlexMat, EarlyView.
By unifying mechanical reinforcement strategies—double networks, structural ordering, and dynamic interactions—this review demonstrates how engineered hydrogels can transcend their fragility to achieve the strength, toughness, and reliability required for flexible electronics, including wearable sensors, energy devices, and soft robotic systems ...
Tianfu Zheng, Chongling Cheng, Dayang Wang   +2 more
wiley   +1 more source

Extraction and structural study of hemicellulose B from tall fescue (Festuca arundinacea) : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Chemistry at Massey University [PDF]

, 1971
1.1 Hemicellulose The structural carbohydrates are mixtures of polysaccharides which together with lignin, constitute the cell wall. Usually they are divided into three fractions: pectic substances, hemicellulose and cellulose.1 Pectins, widely ...
Hensanghongs, Patana
core  

Recent Developments in Sustainable Composites for Printed Circuit Boards (PCBs): A Review

Macromolecular Materials and Engineering, EarlyView.
This review presents the potential of using natural plant fibers and biodegradable polymers as sustainable printed circuit boards (PCBs). This review provides future directions in innovation and sustainable PCBs development. Bio‐composites PCBs are both environmentally friendly and sustainable due to the natural fibres they contain.
Erdem Selver, Ayca Dogrul Selver, Angela Daniela La Rosa, Abu Saifullah, Zhongyi Zhang, Stephen Driver, Jack Herring, Hom Nath Dhakal   +7 more
wiley   +1 more source

Stabilized Cellulase in Chitosan–Polyvinyl Alcohol Biopolymer Beads for Sustainable Enzymatic Deinking of Recycled Paper

ChemistryOpen, EarlyView.
A stable and reusable biocatalyst, cellulase@Cs/PVA/Ga, is engineered by immobilizing cellulase onto glutaraldehyde‐activated chitosan (Cs) and coating it with polyvinyl alcohol. This composite system enhances enzymatic stability and efficiency for the sustainable deinking of recycled newspaper, offering a green alternative to harsh chemical treatments.
Parisa Chakeri, Ghasem Mohammadi‐Nejad, Ghasem Hosseini Salekdeh, Shohreh Ariaeenejad, Azadeh Lohrasbi‐Nejad   +4 more
wiley   +1 more source

A Review of Metal–Organic Framework (MOF) Based Active Food Packaging: Materials Selection, Cellulose Matrices Current Advances, Synthesis and Characterizations

Packaging Technology and Science, EarlyView.
Active packaging offers an effective approach to extending food shelf life. This review summarizes the past decade of progress in metal‐organic framework (MOF)‐based active food packaging, highlighting material selection, characterization, challenges, and future prospects.
Belladini Lovely, Young‐Teck Kim, Haibo Huang, Novitri Hastuti, Su Jung Hong   +4 more
wiley   +1 more source