Results 41 to 50 of about 502,848 (209)

Innovative Bio-nanocomposites Based on Bacterial Cellulose [PDF]

open access: yes, 2011
PhDA variety natural materials that are environmentally friendly, renewable and low cost have been created. Bacterial cellulose (BC), which is produced by a harmless bacterium, Acetobacter xylinum, has been used as a reinforcement agent to form ...
Gea, Saharman
core   +2 more sources

Obtaining Dialdehyde Carboxymethylcellulose Through Microwave Treatment

open access: yesAdvances in Polymer Technology
In this study, we investigated the process of obtaining dialdehyde carboxymethylcellulose (DCMC) with a high molecular mass and aldehyde content (AC) through periodate oxidation under microwave irradiation.
I. Sh. Goyibnazarov   +7 more
doaj   +1 more source

Enabling direct laser writing of cellulose-based submicron architectures

open access: yes, 2022
S.6031-6039We report on the first and versatile cellulose-based photoresist, which can be applied in direct laser writing and allows the fabrication of structures with a resolution of less than 1 mm and a feature size of less than 500 nm via two-photon ...
Heep, M.-C.   +3 more
core   +1 more source

Superior liquid crystal properties of nanochitin-graphite oxide based nanocomposites

open access: yesDiscover Materials
Lowering the critical concentration required for liquid crystal (LC) phase formation is essential for improving the performance and economic feasibility of LC-based nanobiomaterials.
Altaf H. Basta   +2 more
doaj   +1 more source

Performance of Nano Fibrillated Cellulose (NFC) and Chitosan Bio-polymeric System on Recycled Pulp and Paper Properties of Old Corrugated Containers (OCC) [PDF]

open access: yesIranian Journal of Wood and Paper Industries, 2016
Application of dry strength additives is regarded as a sustainable strategy toward improvement of recycle paper properties, and Bio-based materials utilization enhanced in this aspect extensively, respecting to different technological and environmental ...
hosrin Pourkarim Dodangeh1   +3 more
doaj  

Surface Modified Cellulose Scaffolds For Tissue Engineering

open access: yes, 2017
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)We report the ability of cellulose to support cells without the use of matrix ligands on the surface of the material, thus creating a two-component system for tissue engineering of cells and ...
Evandro M.; Costa   +8 more
core   +1 more source

Sustainable chitosan nanocomposite films reinforced bio silica for UV protective and active food packaging

open access: yesDiscover Nano
Chitosan was integrated with rice husk-derived bio-silica nanoparticles, including both silica-based nanocellulose (NC) and pure silica nanoparticles (SiO₂), to develop environmentally friendly active packaging films designated as CS@NC-SiO₂, valorizing ...
Fatma N. El-Shall   +4 more
doaj   +1 more source

All cellulose electrospun water purification membranes nanotextured using cellulose nanocrystals

open access: yes, 2018
Cellulose acetate (CA) fibers were electrospun on a mesh template to create specific surface and pore structures for membrane applications. The mesh template CA fiber mats were impregnated with cellulose nanocrystals at varying weight percentages.
Narges Naseri   +11 more
core   +1 more source

Determination of the degree of substitution (DS) of mixed cellulose esters by elemental analysis [PDF]

open access: yes, 2001
Equations for transforming the results of elemental analysis (EA) into degree of substitution (DS) values for aliphatic cellulose esters were developed.
Borredon, Marie-Elisabeth   +3 more
core   +1 more source

Sustainable grafted chitosan-dialdehyde cellulose with high adsorption capacity of heavy metal

open access: yesBMC Chemistry, 2023
A novel adsorbent was prepared using a backbone comprising chemically hybridized dialdehyde cellulose (DAC) with chitosan via Schiff base reaction, followed by graft copolymerization of acrylic acid.
Essam S. Abd El-Sayed   +5 more
doaj   +1 more source

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