Results 81 to 90 of about 781,701 (378)

Study of The Reaction Mechanism to Produce Nanocellulose-Graft-Chitosan Polymer

Nanomaterials, 2018
Cellulose and chitin are the most abundant polymeric materials in nature, capable of replacing conventional synthetic polymers. From them, cellulose nano/microfibers (CNFs/CMFs) and chitosan are obtained.
Jose Luis Sanchez-Salvador, Ana Balea, M. Concepcion Monte, Angeles Blanco, Carlos Negro   +4 more
doaj   +1 more source

Cellulose oxidation by Laccase-TEMPO treatments [PDF]

Carbohydrate Polymers, 2017
In this work, laccase-TEMPO (Lac-T) treatments were applied to bleached commercial dissolving pulp in order to introduce carbonyl and carboxyl groups, which were found to improve dry and wet strength-related properties. Also the solubility behavior towards xanthate reactions was assessed. The effect of a refining step (R) before the oxidative treatment,
Quintana, Elisabet, Roncero Vivero, María Blanca, Vidal Lluciá, Teresa, Valls Vidal, Cristina   +3 more
openaire   +4 more sources

Swelling‐Induced Stress‐Assisted Transfer of Nanodiamond Arrays With a PVA Carrier Tape for Conformal Bio‐Integrated Sensing and Labelling

Advanced Functional Materials, EarlyView.
This work introduces a swelling‐induced, stress‐assisted water‐soluble PVA tape strategy to transfer‐print nanodiamond quantum‐sensor arrays onto soft, curved biological interfaces. The room‐temperature, water‐triggered process achieves >98% fidelity and residue‐free integration, enabling conformal quantum sensing on contact lenses, neural probes, and ...
Luyao Zhang, Lingzhi Wang, Xinhao Hu, Tai Nam Yip, Mingze Sun, Jixiang Jing, Lizhi Xu, Yuan Lin, Yong Hou, Zhiqin Chu   +9 more
wiley   +1 more source

Intracranial foreign body granuloma caused by oxidized cellulose polymer and etherified sodium carboxymethyl cellulose: an experimental study with orictolagus cuniculus rabbits

, 2021
The purpose of this study was to analyze the brain tissue response to several haemostatic agents used during surgery, such as oxidized cellulose polymer and etherified sodium carboxymethyl cellulose on the brain of 30 Oryctolagus cuniculus rabbits.
Utomo, Budi, Al-Fauzi, Asra, Legowo, Djoko, Suroto, Nur Setiawan, Fitra, Parenrengi, Muhammad Arifin   +5 more
core   +1 more source

C-nanocoated ZnO by TEMPO-oxidized cellulose templating for improved photocatalytic performance.

Carbohydrate Polymers, 2020
Ultrafine C-doped ZnO/carbon nanocomposites with different photocatalytic activities have been prepared using TEMPO-oxidized cellulose as a template but also as the source of carbon. The result is an enhancement of the photocatalytic activity ascribed to
He Xiao, Yiwei Shan, Wenyao Zhang, Liulian Huang, Lihui Chen, Y. Ni, B. Boury, Hui Wu   +7 more
semanticscholar   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

Advanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil, Sri Vaishnavi Thummalapalli, Clarissa Westover, Arunachalam Ramanathan, M. Taylor Sobzcak, Roumika Patil, Qixuan Xiang, Tiantian Li, Sui Yang, Timothy E. Long, Hongyue Sun, Xianqiao Wang, Yang Liu, Kenan Song   +13 more
wiley   +1 more source

SORPTION OF CEFAZOLIN ON SELECTIVELY OXIDIZED CELLULOSE

Journal of Chemists, Technologists and Environmentalists
Cefazolin sorption on oxidized cellulose was performed with the aim of obtaining biologically active fibers which, as drug carriers, have a possibility of prolonged release and  local application. Oxidized cellulose with 0.555, 1.464 and 2.276 mmolg-
Pero Sailović, Darko Bodroža, Branka Rodić-Grabovac   +2 more
doaj   +1 more source

Structure and properties of tempo-oxidized cotton fibers [PDF]

Chemical Industry and Chemical Engineering Quarterly, 2012
In this paper, the influence of the catalytic oxidation using water soluble and stable nitroxyl radical 2,2´,6,6´-tetramethylpiperidine-1-oxyl (TEMPO) on structure and properties of cotton fibers was studied.
Milanovic Jovana, Kostic Mirjana, Skundric Petar   +2 more
doaj   +1 more source

Designed Lewis Acid–Base Passivation for High Performance Perovskite Solar Cells

Advanced Functional Materials, EarlyView.
ABSTRACT Silicon's high cost and long energy payback time remain major barriers to the global expansion of solar power. In contrast, metal–halide perovskites offer abundant, solution‐processable absorbers, and have achieved efficiencies of 25%–30%, positioning them as strong competitors to silicon.
Afna Manaf, Hiba Shahulhameed, Bhabani Sankar Swain, Shengzhong (Frank) Liu, Adel Najar   +4 more
wiley   +1 more source

Films based on oxidized starch and cellulose from barley

, 2015
Starch and cellulose fibers were isolated from grains and the husk from barley, respectively. Biodegradable films of native starch or oxidized starches and glycerol with different concentrations of cellulose fibers (0%, 10% and 20%) were prepared.
Colussi, Rosana, Villanova, Franciene Almeida, Dias, Alvaro Renato Guerra, Carreño, Neftali Lenin Villarreal, Pinto, Vânia Zanella, Zavareze, Elessandra da Rosa, Deon, Vinícius Gonçalves, El Halal, Shanise Lisie Mello   +7 more
core   +1 more source