Blar i NTNU Open på forfatter "Heggset, Ellinor Bævre"
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Cellulose nanofibrils as rheology modifier in mayonnaise – A pilot scale demonstration
Heggset, Ellinor Bævre; Aaen, Ragnhild; Veslum, Trinelise; Henriksson, Marielle; Simon, Sebastien Charles; Syverud, Kristin (Peer reviewed; Journal article, 2020)The applicability of cellulose nanofibrils (CNFs) as viscosifying agent in a starch-reduced low-fat mayonnaise and in an oil-reduced full-fat mayonnaise has been considered. For low-fat mayonnaise a 50 wt% reduction in the ... -
Coating 3D Printed Polycaprolactone Scaffolds with Nanocellulose Promotes Growth and Differentiation of Mesenchymal Stem Cells
Elsebahy, Ahmad Rashad Saad Mohamed; Mohamed-Ahmed, Samih; Ojansivu, Miina; Berstad, Kaia; Yassin, Mohammed Ahmed; Kivijärvi, Tove; Heggset, Ellinor Bævre; Syverud, Kristin; Mustafa, Kamal Babikeir Eln (Journal article; Peer reviewed, 2018)3D printed polycaprolactone (PCL) has potential as a scaffold for bone tissue engineering, but the hydrophobic surface may hinder optimal cell responses. The surface properties can be improved by coating the scaffold with ... -
A core flood and microfluidics investigation of nanocellulose as a chemical additive to water flooding for EOR
Aadland, Reidun Cecilie Grønfur; Akarri, Salem Saeed Fadhl; Heggset, Ellinor Bævre; Syverud, Kristin; Torsæter, Ole (Peer reviewed; Journal article, 2020)Cellulose nanocrystals (CNCs) and 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized cellulose nanofibrils (T-CNFs) were tested as enhanced oil recovery (EOR) agents through core floods and microfluidic experiments. ... -
Cytocompatibility and Functionalization of Nanocellulose for Bone Tissue Engineering Applications
Grøndahl, Martha (Master thesis, 2019)I denne masteroppgaven er overflateegenskaper til nanocellulosegeler som armering (scaffold) innenfor benvevsregenererings (BVR) applikasjoner utforsket. Nanocellulose er et materiale av stor interesse innenfor mange ... -
Enzymatic Degradation of Chitosans: - A study of the mode of action of selected chitinases and chitosanases
Heggset, Ellinor Bævre (Doktoravhandlinger ved NTNU, 1503-8181; 2012:8, Doctoral thesis, 2012) -
High-Temperature Core Flood Investigation of Nanocellulose as a Green Additive for Enhanced Oil Recovery
Aadland, Reidun Cecilie Grønfur; Jakobsen, Trygve Dagsloth; Heggset, Ellinor Bævre; Long-Sanouiller, Haili; Simon, Sebastien Charles; Paso, Kristofer Gunnar; Syverud, Kristin; Torsæter, Ole (Journal article; Peer reviewed, 2019)Recent studies have discovered a substantial viscosity increase of aqueous cellulose nanocrystal (CNC) dispersions upon heat aging at temperatures above 90 °C. This distinct change in material properties at very low ... -
Human chitotriosidase-catalyzed hydrolysis of chitosan
Eide, Kristine Bistrup; Norberg, Anne Line; Heggset, Ellinor Bævre; Lindbom, Anne Rita; Vårum, Kjell Morten; Eijsink, Vincent; Sørlie, Morten (Journal article; Peer reviewed, 2012)Chitotriosidase (HCHT) is one of two family 18 chitinases produced by humans, the other being acidic mammalian chitinase (AMCase). The enzyme is thought to be part of the human defense mechanism against fungal parasites, ... -
Identification of Nanocellulose Retention Characteristics in Porous Media
Aadland, Reidun Cecilie Grønfur; Dziuba, Carter Jordan; Heggset, Ellinor Bævre; Syverud, Kristin; Torsæter, Ole; Holt, Torleif; Gates, Ian D.; Bryant, Steven (Journal article; Peer reviewed, 2018)The application of nanotechnology to the petroleum industry has sparked recent interest in increasing oil recovery, while reducing environmental impact. Nanocellulose is an emerging nanoparticle that is derived from trees ... -
Interactions between Surfactants and Cellulose Nanofibrils for Enhanced Oil Recovery
Jakobsen, Trygve Dagsloth; Simon, Sebastien Charles; Heggset, Ellinor Bævre; Syverud, Kristin; Paso, Kristofer Gunnar (Journal article; Peer reviewed, 2018)Chemical enhanced oil recovery (EOR) represents a series of potential solutions for extracting more oil from resources with already known locations and magnitudes. Unfortunately, many of the chemical additives in use today ... -
Mechanical properties of composite hydrogels of alginate and cellulose nanofibrils
Aarstad, Olav Andreas; Heggset, Ellinor Bævre; Pedersen, Ina S.; Bjørnøy, Sindre Hove; Syverud, Kristin; Strand, Berit Løkensgard (Journal article; Peer reviewed, 2017)Alginate and cellulose nanofibrils (CNF) are attractive materials for tissue engineering and regenerative medicine. CNF gels are generally weaker and more brittle than alginate gels, while alginate gels are elastic and ... -
Oil-in-Water Emulsions Stabilized by Cellulose Nanofibrils—The Effects of Ionic Strength and pH
Aaen, Ragnhild; Brodin, Fredrik Wernersson; Simon, Sebastien Charles; Heggset, Ellinor Bævre; Syverud, Kristin (Journal article; Peer reviewed, 2019)Pickering o/w emulsions prepared with 40 wt % rapeseed oil were stabilized with the use of low charged enzymatically treated cellulose nanofibrils (CNFs) and highly charged 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)-oxidized ... -
Polymeric 3D scaffolds for tissue regeneration: Evaluation of biopolymer nanocomposite reinforced with cellulose nanofibrils
Campodoni, Elisabetta; Heggset, Ellinor Bævre; Elsebahy, Ahmad Rashad Saad Mohamed; Ramírez-Rodríguez, Gloria; Mustafa, Kamal Babikeir Eln; Syverud, Kristin; Tampieri, Anna; Sandri, Monica (Peer reviewed; Journal article, 2019)Biopolymers such as gelatin (Gel) and cellulose nanofibrils (CNF) have many of the essential requirements for being used as scaffolding materials in tissue regeneration; biocompatibility, surface chemistry, ability to ... -
Responses of Rat Mesenchymal Stromal Cells to Nanocellulose with Different Functional Groups
Elsebahy, Ahmad Rashad; Grøndahl, Martha; Heggset, Ellinor Bævre; Mustafa, Kamal Babikeir Elnour; Syverud, Kristin (Peer reviewed; Journal article, 2023)Cellulose nanofibrils (CNFs) are multiscale hydrophilic biocompatible polysaccharide materials derived from wood and plants. TEMPO-mediated oxidation of CNFs (TO-CNF) turns some of the primary hydroxyl groups to carboxylate ... -
The carbohydrate-binding module and linker of a modular lytic polysaccharide monooxygenase promote localized cellulose oxidation
Courtade, Gaston; Forsberg, Zarah; Heggset, Ellinor Bævre; Eijsink, Vincent; Aachmann, Finn Lillelund (Journal article; Peer reviewed, 2018)Lytic polysaccharide monooxygenases (LPMOs) are copper-dependent enzymes that catalyze the oxidative cleavage of polysaccharides such as cellulose and chitin, a feature that makes them key tools in industrial biomass ... -
Viscoelastic properties of nanocellulose based inks for 3D printing and mechanical properties of CNF/alginate biocomposite gels
Heggset, Ellinor Bævre; Strand, Berit Løkensgard; Sundby, Kristin Weel; Simon, Sebastien Charles; Chinga-Carrasco, Gary; Syverud, Kristin (Journal article; Peer reviewed, 2019)Inks for 3D printing based on cellulose nanofibrils (CNFs) or mixtures of CNFs and either cellulose nanocrystals (CNCs) or alginate were assessed by determining their viscoelastic properties i.e. complex viscosity and ...