Results 51 to 60 of about 5,688 (244)

Hydrogen bonds and twist in cellulose microfibrils [PDF]

Carbohydrate Polymers, 2017
There is increasing experimental and computational evidence that cellulose microfibrils can exist in a stable twisted form. In this study, atomistic molecular dynamics (MD) simulations are performed to investigate the importance of intrachain hydrogen bonds on the twist in cellulose microfibrils.
Kannam, Sridhar Kumar, Oehme, Daniel P., Doblin, Monika S., Gidley, Michael J., Bacic, Antony, Downton, Matthew T.   +5 more
openaire   +3 more sources

Novel nanostructured microfibrillated cellulose–hydroxypropyl methylcellulose films with large one-dimensional swelling and tunable permeability [PDF]

, 2012
Microfibrillated cellulose (MFC) films containing the water soluble and pharmaceutically approved polymer hydroxypropyl methylcellulose (HPMC) exhibited an unexpected decrease in permeability and excellent one-dimensional swelling properties above a ...
Hjärtstam, Johan, Larsson, Anette, Larsson, Mikael   +2 more
core   +1 more source

Cellulose Microfibril Formation by Surface-Tethered Cellulose Synthase Enzymes

ACS Nano, 2016
Cellulose microfibrils are pseudocrystalline arrays of cellulose chains that are synthesized by cellulose synthases. The enzymes are organized into large membrane-embedded complexes in which each enzyme likely synthesizes and secretes a β-(1→4) glucan.
Snehasish, Basu, Okako, Omadjela, David, Gaddes, Srinivas, Tadigadapa, Jochen, Zimmer, Jeffrey M, Catchmark   +5 more
openaire   +3 more sources

The Shape of Native Plant Cellulose Microfibrils [PDF]

Scientific Reports, 2018
AbstractDetermining the shape of plant cellulose microfibrils is critical for understanding plant cell wall molecular architecture and conversion of cellulose into biofuels. Only recently has it been determined that these cellulose microfibrils are composed of 18 cellulose chains rather than 36 polymers arranged in a diamond-shaped pattern.
James D. Kubicki, Hui Yang, Daisuke Sawada, Hugh O’Neill, Daniel Oehme, Daniel Cosgrove   +5 more
openaire   +4 more sources

Emulsion formation and stabilization by biomolecules: the leading role of cellulose [PDF]

, 2019
Emulsion stabilization by native cellulose has been mainly hampered because of its insolubility in water. Chemical modification is normally needed to obtain water-soluble cellulose derivatives.
Costa, C., Edlund, H., Filipe, Alexandra, Lindman, B., Medronho, Bruno, Mira, I., Norgren, M.   +6 more
core   +1 more source

Nanostructure of cellulose microfibrils in spruce wood [PDF]

Proceedings of the National Academy of Sciences, 2011
The structure of cellulose microfibrils in wood is not known in detail, despite the abundance of cellulose in woody biomass and its importance for biology, energy, and engineering. The structure of the microfibrils of spruce wood cellulose was investigated using a range of spectroscopic methods coupled to small-angle neutron and wide-angle X-ray ...
Fernandes, A.N., Thomas, L.H., Altaner, C.M., Callow, P., Forsyth, V.T., Apperley, D.C., Kennedy, C.J., Jarvis, M.C.   +7 more
openaire   +3 more sources

Pipe rheology of microfibrillated cellulose suspensions [PDF]

Cellulose, 2019
In this paper, we analyse the shear rheology of suspensions of two MFC grades in the consistency ranges of 0.2% to 1.5% and 0.5% to 2.0% with a pipe rheometer combined with ultrasound velocity profiling. In addition to yield stress and shear viscosity, we study the slip behaviour of the MFC suspensions, as this topic has so far been mostly neglected in
Turpeinen Tuomas, Jäsberg Ari, Haavisto Sanna, Liukkonen Johanna, Salmela Juha, Antti, Koponen   +5 more
openaire   +3 more sources

An investigation of Pseudomonas aeruginosa biofilm growth on novel nanocellulose fibre dressings [PDF]

, 2015
Nanocellulose from wood is a novel biomaterial, which is highly fibrillated at the nanoscale. This affords the material a number of advantages, including self-assembly, biodegradability and the ability to absorb and retain moisture, which highlights its ...
Chinga-Carrasco, Gary, Hill, Katja E., Khan, Saira, Powell, Lydia C., Thomas, David William, Wright, Chris J.   +5 more
core   +1 more source

Roadmap to Precision 3D Printing of Cellulose: Rheology‐Guided Formulation, Fidelity Assessment, and Application Horizons

Advanced Materials Technologies, EarlyView.
This critical review presents a comprehensive roadmap for the precision 3D printing of cellulose. Quantitative correlations link ink formulation and rheological properties to print fidelity and final material performance. This framework guides the development of advanced functional materials, from biomedical scaffolds to electromagnetic shielding ...
Majed Amini, Hadi Hosseini, Seyyed Alireza Hashemi, Mohammad Arjmand   +3 more
wiley   +1 more source

Manufacturing Of Robust Natural Fiber Preforms Utilizing Bacterial Cellulose as Binder [PDF]

, 2014
We present a novel method of manufacturing rigid and robust short natural fiber preforms using a papermaking process. Bacterial cellulose acts simultaneously as the binder for the loose fibers and provides rigidity to the fiber preforms.
Bismarck, A, Fortea-Verdejo, M, Lee, K-Y, Shamsuddin, SR   +3 more
core   +1 more source