Results 241 to 250 of about 321,313 (278)

Pectin/carboxymethyl cellulose/microfibrillated cellulose composite scaffolds for tissue engineering

Carbohydrate Polymers, 2013
Highly porous three-dimensional scaffolds made of biopolymers are of great interest in tissue engineering applications. A novel scaffold composed of pectin, carboxymethyl cellulose (CMC) and microfibrillated cellulose (MFC) were synthesised using lyophilisation technique. The optimised scaffold with 0.1% MFC, C(0.1%), showed highest compression modulus
Neethu, Ninan, Muthunarayanan, Muthiah, In-Kyu, Park, Anne, Elain, Sabu, Thomas, Yves, Grohens   +5 more
openaire   +3 more sources

Morphological Structure of Cellulose Microfibrils

1985
The 0.39 nm resolution lattice images of cellulose microfibrils in the cell wall of Valonia macrophysa could be successfully recorded from microfibrils prepared by disintegration as well as ultrathin sectioning. The results obtained from direct imaging of lattice lines contradict the models of the microfibrils in which the crystalline sub-elements ...
H. Harada, J. Sugiyama
openaire   +1 more source

Wood cellulose microfibrils have a 24-chain core–shell nanostructure in seed plants

Nature Plants, 2023
Hwan‐Ching Tai, Chih-Hui Chang, Wenjie Cai, Jer-Horng Lin, Shing‐Jong Huang, Qian-Yan Lin, Eric Chung-Yueh Yuan, Shu-Li Li, Ying-Chung Jimmy Lin, J. Chan, C. Tsao   +10 more
semanticscholar   +1 more source

Process for the production of microfibrillated cellulose and produced microfibrillated cellulose

2010
A process for producing microfibrillated cellulose comprises providing a slurry comprising cellulosic fibers, treating the slurry with an enzyme, mechanically treating the slurry so that the fibers are disintegrated wherein the mechanical treatment and the treatment with the enzyme is performed simultaneously in a single treatment step.
Heiskanen, Isto, Backfolk, Kaj, Vehviläinen, Marianna, Kamppuri, Taina, Nousiainen, Pertti   +4 more
openaire  

Fractional study of the microfibrillated cellulose

TAPPI Journal, 2014
The extremely high aspect ratios of minuscule lignocellulosic particles make analysis and characterization problematic. New methods to quantify the size, shape, and structure of cellulose microparticles are needed. The main objective of this research has been to study the potential of a novel fractional analysis method for microparticles.
Laitinen Ossi, Niinimäki Jouko
openaire   +1 more source

Microfibrillated cellulose/cellulose acetate composites: Effect of surface treatment

Journal of Polymer Science Part B: Polymer Physics, 2009
AbstractMicrofibrillated cellulose (MFC), which consists of a web‐like array of cellulose fibrils having a diameter in the range of 10–100 nm, was incorporated into a cellulose acetate (CA) matrix to form a totally biobased structural composite. Untreated and a 3‐aminopropyltriethoxysilane (APS) surface treated MFC was combined with a CA matrix by film
Jue Lu, Lawrence T. Drzal
openaire   +1 more source

Cellulose microfibril assembly and orientation: recent developments

Journal of Cell Science, 1985
ABSTRACT A brief history of the literature dealing with cellulose microfibril assembly is presented, and a current summary of cellulose microfibril synthesizing complexes among eukaryotic cells is given. Terminal complexes not described before include the following: linear terminal complexes (TCs) with three rows in Eremosphaera ...
openaire   +2 more sources

Chemical surface modifications of microfibrillated cellulose

Cellulose, 2007
Microfibrillated cellulose (MFC) was prepared by disintegration of bleached softwood sulphite pulp through mechanical homogenization. The surface of the MFC was modified using different chemical treatments, using reactions both in aqueous- and organic solvents.
Per Stenstad, Martin Andresen, Bjørn Steinar Tanem, Per Stenius   +3 more
openaire   +1 more source

On the ultrastructure of cellulose microfibrils

Journal of Polymer Science Part A: General Papers, 1965
AbstractStatistical formulae based on generally accepted models for cellulose microfibril structure were developed to calculate the mean length of microfibril segments which do not contain molecular chain‐ends, i.e., “continuous segments.” The calculated length of such “continuous segments” for microfibrils of 2–3 mμ cross section, containing molecules
I. Ohad, D. Mejzler
openaire   +1 more source

Granules within cellulose microfibrils

Die Naturwissenschaften, 1976
J. R. Colvin, M. Takai, G. G. Leppard
openaire   +1 more source