Bjørn E. Christensen
73593327
Kjemi 4, 4-126, Gløshaugen, Sem Sælands vei 6
Om
Publikasjoner
2023
-
Yoshiba, Kazuto;
Christensen, Bjørn Erik.
(2023)
Order-Disorder Transition of Triple Helical β-1,3-<inf>d</inf>-Glucans in Aqueous Mixtures of Dimethyl Sulfoxide and Imidazole: Schizophyllan and its Chemically Modified Derivatives.
Macromolecular Symposia
Vitenskapelig artikkel
-
Yoshiba, Kazuto;
Christensen, Bjørn Erik.
(2023)
Order-Disorder Transition of Triple Helical 𝜷-1,3-D-Glucans in Aqueous Mixtures of Dimethyl Sulfoxide and Imidazole: Schizophyllan and its Chemically Modified Derivatives.
Macromolecular Symposia
Vitenskapelig oversiktsartikkel/review
-
Donati, Ivan;
Christensen, Bjørn Erik.
(2023)
Alginate-metal cation interactions: Macromolecular approach.
Carbohydrate Polymers
Vitenskapelig oversiktsartikkel/review
2022
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Münster, Lukáš;
Capáková, Zdenka;
Humpolíček, Petr;
Kuřitka, Ivo;
Christensen, Bjørn E.;
Vícha, Jan.
(2022)
Dicarboxylated hyaluronate: Synthesis of a new, highly functionalized and biocompatible derivative.
Carbohydrate Polymers
Vitenskapelig artikkel
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Ballance, Simon;
Lu, Yudong;
Zobel, Hanne;
Rieder, Anne;
Knutsen, Svein Halvor;
Dinu, Vlad T..
(2022)
Inter-laboratory analysis of cereal beta-glucan extracts of nutritional importance: An evaluation of different methods for determining weight-average molecular weight and molecular weight distribution.
Food Hydrocolloids
Vitenskapelig artikkel
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Yoshiba, Kazuto;
Yasuda, Yota;
Christensen, Bjørn E.;
Kondo, Chisaki;
Miyazaki, Yuji;
Nakano, Motohiro.
(2022)
Association with Imidazole in the Cooperative Order–Disorder Transition in Aqueous Solution of Schizophyllan.
Langmuir
Vitenskapelig artikkel
2021
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Solberg, Amalie;
Mo, Ingrid Vikøren;
Omtvedt, Line Aanerud;
Strand, Berit Løkensgard;
Aachmann, Finn Lillelund;
Schatz, Christophe.
(2021)
Carbohydr Polym Special Issue Invited contribution: Click chemistry for block polysaccharides with dihydrazide and dioxyamine linkers - A review.
Carbohydrate Polymers
Vitenskapelig oversiktsartikkel/review
-
Solberg, Amalie;
Mo, Ingrid Vikøren;
Aachmann, Finn Lillelund;
Schatz, Christophe;
Christensen, Bjørn E..
(2021)
Alginate-based diblock polymers: preparation, characterization and Ca-induced self-assembly.
Polymer Chemistry
Vitenskapelig artikkel
-
Mo, Ingrid Vikøren;
Schatz, Christophe;
Christensen, Bjørn E..
(2021)
Functionalisation of the non-reducing end of chitin by selective periodate oxidation: A new approach to form complex block polysaccharides and water-soluble chitin-based block polymers.
Carbohydrate Polymers
Vitenskapelig artikkel
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Tafjord, Joakim;
Rytter, Erling;
Holmen, Anders;
Myrstad, Rune;
Svenum, Ingeborg-Helene;
Christensen, Bjørn E..
(2021)
Transition-Metal Nanoparticle Catalysts Anchored on Carbon Supports via Short-Chain Alginate Linkers.
ACS Applied Nano Materials
Vitenskapelig artikkel
2020
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Mo, Ingrid Vikøren;
Dalheim, Marianne Øksnes;
Aachmann, Finn Lillelund;
Schatz, Christophe;
Christensen, Bjørn E..
(2020)
2,5-Anhydro-d-Mannose End-Functionalized Chitin Oligomers Activated by Dioxyamines or Dihydrazides as Precursors of Diblock Oligosaccharides.
Biomacromolecules
Vitenskapelig artikkel
-
Christensen, Bjørn E..
(2020)
Recent trends in carbohydrate chemistry. Synthesis, structure and functions of carbohydrates Vol. 1-2.
Elsevier
Elsevier
Vitenskapelig antologi/Konferanseserie
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Dalheim, Marianne Øksnes;
Christensen, Bjørn E.;
Comesse, Sébastien;
Renou, Frédéric.
(2020)
Modification of xanthan in the ordered and disordered states.
Elsevier
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Mo, Ingrid Vikøren;
Feng, Yiming;
Dalheim, Marianne Øksnes;
Solberg, Amalie;
Aachmann, Finn Lillelund;
Schatz, Christophe.
(2020)
Activation of enzymatically produced chitooligosaccharides by dioxyamines and dihydrazides.
Carbohydrate Polymers
Vitenskapelig artikkel
2019
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Yoshiba, Kazuto;
Saheki, Toshihiko;
Christensen, Bjørn E.;
Dobashi, Toshiaki.
(2019)
Conformation and cooperative order-disorder transition in aqueous solutions of β-1,3-d-glucan with different degree of branching varied by the Smith degradation.
Biopolymers
Vitenskapelig artikkel
-
Kucko, Nathan W.;
Li, Wenliang;
Martinez, Marcela A. Garcia;
Rehman, Ihtesham ur;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E..
(2019)
Sterilization effects on the handling and degradation properties
of calcium phosphate cements containing poly (D,L-lactic-co-glycolic acid)
porogens and carboxymethyl cellulose.
Journal of Biomedical Materials Research. Part B - Applied biomaterials
Vitenskapelig artikkel
-
Stender, Emil GP;
Andersen, Christian Dybdahl;
Fredslund, Folmer;
Holck, Jesper;
Solberg, Amalie;
Teze, David.
(2019)
Structural and functional aspects of mannuronic acid–specific PL6 alginate lyase from the human gut microbe Bacteroides cellulosilyticus.
Journal of Biological Chemistry
Vitenskapelig artikkel
-
Tomofuji, Yu;
Yoshiba, Kazuto;
Christensen, Bjørn E.;
Terao, Ken.
(2019)
Single-chain conformation of carboxylated schizophyllan, a triple helical polysaccharide, in dilute alkaline aqueous solution.
Polymer
Vitenskapelig artikkel
2018
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Yoshiba, Kazuto;
Dobashi, Toshiaki;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E..
(2018)
Cooperative Order−Disorder Transition of Carboxylated Schizophyllan in Water−Dimethylsulfoxide Mixtures.
Journal of Physical Chemistry B
Vitenskapelig artikkel
-
Christensen, Bjørn E.;
Strand, Sabina P.;
Basset, Coraline;
Kristiansen, Kåre Andre;
Ulset, Ann-Sissel Teialeret;
Ballance, Simon.
(2018)
Macromolecular acidic coating increases shelf life by inhibition of bacterial growth.
International journal of food microbiology
Vitenskapelig artikkel
2017
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Dalheim, Marianne Øksnes;
Ulset, Ann-Sissel Teialeret;
Jenssen, Ina Beate;
Christensen, Bjørn E..
(2017)
Degradation kinetics of peptide-coupled alginates prepared via the periodate oxidation reductive amination route.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Wold, Christian Winther;
Kjeldsen, Christian;
Corthay, Alexandre;
Rise, Frode;
Christensen, Bjørn E.;
Duus, Jens Øllgaard.
(2017)
Structural characterization of bioactive heteropolysaccharides from the
medicinal fungus Inonotus obliquus (Chaga).
Carbohydrate Polymers
Vitenskapelig artikkel
-
Yoshiba, Kazuto;
Okamoto, Satoka;
Dobashi, Toshiaki;
Oku, Hiroyuki;
Christensen, Bjørn E.;
Sato, Takahiro.
(2017)
Effects of carboxylation of the side chains on the order-disorder transition in aqueous solution of schizophyllan, a triple helical polysaccharide.
Carbohydrate Polymers
Vitenskapelig artikkel
2016
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Dalheim, Marianne Øksnes;
Arnfinnsdottir, Nina Bjørk;
Widmalm, Göran;
Christensen, Bjørn E..
(2016)
The size and shape of three water-soluble, non-ionic polysaccharides produced by lactic acid bacteria: A comparative study.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Dalheim, Marianne Øksnes;
Vanacker, Julie;
Najmi, Maryam A.;
Aachmann, Finn Lillelund;
Strand, Berit Løkensgard;
Christensen, Bjørn E..
(2016)
Efficient functionalization of alginate biomaterials.
Biomaterials
Vitenskapelig artikkel
2015
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Rieder, Anne;
Knutsen, Svein Halvor;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E.;
Andersson, Roger;
Mikkelson, Atte.
(2015)
Inter-laboratory evaluation of SEC-post-column calcofluor for determination of the weight-average molar mass of cereal β-glucan.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Yoshiba, Kazuto;
Sato, Takahiro;
Osumi, Takaaki;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E..
(2015)
Conformation of carboxylated schizophyllan in aqueous solution.
Carbohydrate Polymers
Vitenskapelig artikkel
2014
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Austarheim, Ingvild;
Christensen, Bjørn E.;
Aas, Hoai Thi Nguyen;
Thöle, Christian;
Diallo, Drissa;
Paulsen, Berit Smestad.
(2014)
Chemical characterization and complement fixation of pectins from Cola cordifolia leaves.
Carbohydrate Polymers
Vitenskapelig artikkel
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Cardoso, DA;
Ulset, Ann-Sissel Teialeret;
Bender, Johan;
Jansen, John A;
Christensen, Bjørn E.;
Leeuwenburgh, Sander.
(2014)
Effects of physical and chemical treatments on the molecular weight and degradation of alginate-hydroxyapatite composites.
Macromolecular Bioscience
Vitenskapelig artikkel
-
Courtade, Gaston;
Christensen, Bjørn E.;
Ulset, Ann-Sissel Teialeret.
(2014)
Video demonstration of Biopolymers lab exercises.
Digitale læremidler
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Ulset, Ann-Sissel Teialeret;
Mori, Hideki;
Dalheim, Marianne Øksnes;
Hara, Masayuki;
Christensen, Bjørn E..
(2014)
Influence of amino acids, buffers, and pH on the γ-irradiation-induced degradation of alginates.
Biomacromolecules
Vitenskapelig artikkel
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Andersen, Therese;
Markussen, Christine;
Dornish, John Michael;
Heier-Baardson, Helene;
Melvik, Jan Egil;
Alsberg, Eben.
(2014)
In situ gelation for cell immobilization and culture in alginate foam scaffolds.
Tissue Engineering Part A
Vitenskapelig artikkel
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Andersen, Therese;
Melvik, Jan Egil;
Gåserød, Olav;
Alsberg, Eben;
Christensen, Bjørn E..
(2014)
Ionically gelled alginate foams: Physical properties controlled by type, amount and source of gelling ions.
Carbohydrate Polymers
Vitenskapelig artikkel
2013
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Kes, Murside;
Christensen, Bjørn Erik;
Moe, Størker T..
(2013)
Ageing of Cellulosic Insulations in Transformer Oil.
Doktoravhandlinger ved NTNU (80)
Doktorgradsavhandling
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Qin, Fen;
Sletmoen, Marit;
Stokke, Bjørn Torger;
Christensen, Bjørn Erik.
(2013)
Higher order structures of a bioactive, water-soluble (1→3)-b-d-glucan derived from Saccharomyces cerevisiae.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Kristiansen, Kåre Andre;
Dalheim, Marianne Øksnes;
Christensen, Bjørn E..
(2013)
Periodate oxidation and macromolecular compaction of hyaluronan.
Pure and Applied Chemistry
Vitenskapelig artikkel
-
Kelesoglu, Murside Kes;
Christensen, Bjørn Erik.
(2013)
A re-investigation of the Mark-Houwink-Sakurada parameters for cellulose in Cuen: A study based on size-exclusion chromatography combined with multi-angle light scattering and viscometry.
Journal of Chromatography A
Vitenskapelig artikkel
-
Kelesoglu, Murside Kes;
Christensen, Bjørn E..
(2013)
Degradation of cellulosic insulation in power transformers: a SEC-MALLS study of artificially aged transformer papers.
Cellulose
Vitenskapelig artikkel
-
Qin, Fen;
Kelesoglu, Murside Kes;
Christensen, Bjørn E..
(2013)
A study of bioactive, branched (1→3)-b-d-glucans in dimethylacetamide/LiCl and dimethyl sulphoxide/LiCl using size-exclusion chromatography with multi-angle light scattering detection.
Journal of Chromatography A
Vitenskapelig artikkel
2012
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Ballance, Simon;
Kristiansen, Kåre Andre;
Skogaker, Nan E Tostrup;
Tvedt, Kåre E;
Christensen, Bjørn Erik.
(2012)
The localisation of pectin in Sphagnum moss leaves and its role in preservation.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Andersen, Therese;
Strand, Berit Løkensgard;
Formo, Kjetil Ødegård;
Alsberg, Eben;
Christensen, Bjørn Erik.
(2012)
Alginates as biomaterials in tissue engineering.
Royal Society of Chemistry (RSC)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Andersen, Therese;
Melvik, Jan Egil;
Gåserød, Olav;
Alsberg, Eben;
Christensen, Bjørn Erik.
(2012)
Ionically Gelled Alginate Foams: Physical Properties Controlled by Operational and Macromolecular Parameters.
Biomacromolecules
Vitenskapelig artikkel
-
Austarheim, Ingvild;
Christensen, Bjørn Erik;
Hegna, Ida Kristin;
Petersen, Bent O.;
Duus, Jens O;
Bye, Ragnar.
(2012)
Chemical and biological characterization of pectin-like polysaccharides from the bark of the Malian medicinal tree Cola cordifolia.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Qin, Fen;
Aachmann, Finn Lillelund;
Christensen, Bjørn Erik.
(2012)
Chain length distribution and aggregation of branched (1→3)-b-D-glucans from Saccharomyces cerevisae.
Carbohydrate Polymers
Vitenskapelig artikkel
2011
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Suzuki, Shiho;
Christensen, Bjørn Erik;
Kitamura, Shinichi.
(2011)
Effect of mannuronate content and molecular weight of alginates on intestinal immunological activity through Peyer’s patch cells of C3H/HeJ mice.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Mellegård, Hilde;
Kovács, Ákos T.;
Lindback, Toril;
Christensen, Bjørn Erik;
Kuipers, Oscar P.;
Granum, Per Einar.
(2011)
Transcriptional responses of Bacillus cereus towards challenges with the polysaccharide chitosan.
PLOS ONE
Vitenskapelig artikkel
-
Kristiansen, Kåre Andre;
Tomren, Henrik Berg;
Christensen, Bjørn Erik.
(2011)
Periodate oxidized alginates: Depolymerization kinetics.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Mellegård, Hilde;
From, Cecilie;
Christensen, Bjørn Erik;
Granum, Per Einar.
(2011)
Inhibition of Bacillus cereus spore outgrowth and multiplication by chitosan.
International journal of food microbiology
Vitenskapelig artikkel
-
Mellegård, Hilde;
Strand, Sabina P.;
Christensen, Bjørn Erik;
Granum, Per Einar;
Hardy, Simon P..
(2011)
Antibacterial activity of chemically defined chitosans: Influence of molecular weight, degree of acetylation and test organism.
International journal of food microbiology
Vitenskapelig artikkel
-
Liland, Knut Brede;
Kes, Murside;
Ese, Marit-Helen;
Lundgaard, Lars Esben;
Christensen, Bjørn Erik.
(2011)
Study of Oxidation and Hydrolysis of Oil Impregnated Paper Insulation for Transformers using a Microcalorimeter.
IEEE transactions on dielectrics and electrical insulation
Vitenskapelig artikkel
-
Tømmeraas, Kristoffer;
Strand, Sabina P.;
Christensen, Bjørn Erik;
Smidsrød, Olav;
Vårum, Kjell Morten.
(2011)
Preparation and characterization of branched chitosans.
Carbohydrate Polymers
Vitenskapelig artikkel
2010
-
Kristiansen, Kåre Andre;
Potthast, Antje;
Christensen, Bjørn Erik.
(2010)
Periodate oxidation of polysaccharides for modification of chemical and physical properties.
Carbohydrate Research
Vitenskapelig artikkel
-
Chytil, Martin;
Strand, Sabina P.;
Christensen, Bjørn Erik;
Pekar, Miloslav.
(2010)
Calorimetric and light scattering study of interactions and macromolecular properties of native and hydrophobically modified hyaluronan.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Hara, Masayuki;
Koshimizu, Naoki;
Yoshida, Mayumi;
Haug, Ingvild;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn Erik.
(2010)
Cross-Linking and Depolymerisation of gamma-Irradiated Fish Gelatin and Porcine Gelatin Studied by SEC-MALLS and SDS-PAGE: A Comparative Study.
Journal of Biomaterials Science. Polymer Edition
Vitenskapelig artikkel
2009
-
Ballance, Simon;
Aarstad, Olav Andreas;
Aachmann, Finn Lillelund;
Skjåk-Bræk, Gudmund;
Christensen, Bjørn Erik.
(2009)
Preparation of high purity monodisperse oligosaccharides derived from mannuronan by size-exclusion chromatography followed by semi-preparative high-performance anion-exchange chromatography with pulsed amperometric detection.
Carbohydrate Research
Vitenskapelig artikkel
-
Stalheim, Torunn;
Ballance, Simon;
Christensen, Bjørn Erik;
Granum, P.E..
(2009)
Sphagnan – a pectin-like polymer isolated from Sphagnum moss can inhibit the growth of some typical food spoilage and food poisoning bacteria by lowering the pH.
Journal of Applied Microbiology
Vitenskapelig artikkel
-
Stalheim, Torunn;
Ballance, Simon;
Christensen, Bjørn Erik;
Granum, Per Einar.
(2009)
Sphagnan - a pectin-like polymer isolated from Sphagnum moss can inhibit the growth of some typical food spoilage and food poisoning bacteria by lowering the pH.
Journal of Applied Microbiology
Vitenskapelig artikkel
-
Kristiansen, Kåre Andre;
Schirmer, Bjørn Christian;
Aachmann, Finn Lillelund;
Skjåk-Bræk, Gudmund;
Draget, Kurt Ingar;
Christensen, Bjørn Erik.
(2009)
Novel alginates prepared by independent control of chain stiffness and distribution of G-residues: Structure and gelling properties.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Kristiansen, Kåre Andre;
Ballance, Simon;
Potthast, A;
Christensen, Bjørn Erik.
(2009)
An evaluation of tritium and fluorescence labelling combined with multi-detector SEC for the detection of carbonyl groups in polysaccharides.
Carbohydrate Polymers
Vitenskapelig artikkel
2008
-
Christensen, Bjørn Erik;
Vold, Inger Mari Nygård;
Vårum, Kjell Morten.
(2008)
Chain stiffness and extension of chitosans and periodate oxidised chitosans studied by size-exclusion chromatography combined with light scattering and viscosity detectors.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Ballance, Simon;
Kristiansen, Kåre Andre;
Holt, Jarle;
Christensen, Bjørn Erik.
(2008)
Interactions of polysaccharides extracted by mild acid hydrolysis from the leaves of Sphagnum papillosum with either phenylhydrazine, o-phenylenediamine and its oxidation products or collagen.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Steigedal, Magnus;
Sletta, Håvard;
Moreno, Soledad;
Mærk, Mali;
Christensen, Bjørn Erik;
Bjerkan, Tonje Marita.
(2008)
The Azotobacter vinelandii AlgE mannuronan C-5-epimerase family is essential for the in vivo control of alginate monomer composition and for functional cyst formation.
Environmental Microbiology
Vitenskapelig artikkel
-
Strand, Sabina P.;
Issa, Mohamed M.;
Christensen, Bjørn Erik;
Vårum, Kjell Morten;
Artursson, Per.
(2008)
Tailoring of Chitosans for Gene Delivery: Novel Self-Branched Glycosylated Chitosan Oligomers with Improved Functional Properties.
Biomacromolecules
Vitenskapelig artikkel
2007
-
Iotti, M.;
Fava, P.;
Ballance, Simon;
Christensen, Bjørn Erik;
Rustad, Turid.
(2007)
Absorbent pads for food trays made from Sphagnum moss.
Italian journal of food sciences
Vitenskapelig artikkel
-
Salehi, Payam;
Walker, John;
Madsen, Karen L.;
Sigurdson, Grant T.;
Strand, Berit Løkensgard;
Christensen, Bjørn Erik.
(2007)
Relationship between energetic stress and pro-apoptotic/cytoprotective kinase mechanisms in intestinal preservation.
Surgery
Vitenskapelig artikkel
-
Ballance, Simon;
Borsheim, Knut Yngve;
Børsheim, Knut Yngve;
Inngjerdingen, Kari Tvete;
Ingjerdingen, Kari;
Paulsen, Berit Smestad.
(2007)
A re-examination and partial characterisation of polysaccharides released by mild acid hydrolysis from the chlorite-treated leaves of Sphagnum papillosum.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Christensen, Bjørn Erik;
Skjåk-Bræk, Gudmund;
Smidsrød, Olav.
(2007)
Comment and Reply - Comment on “Conformational changes and aggregation of alginic acid as determined by fluorescence correlation spectroscopy”.
Biomacromolecules
Leder
2006
-
Vold, Inger Mari Nygård;
Kristiansen, Kåre Andre;
Christensen, Bjørn Erik.
(2006)
A study of the chain stiffness and extension of alginates, in vitro epimerized alginates, and periodate-oxidized alginates using size-exclusion chromatography combined with light scattering and viscosity detectors.
Biomacromolecules
Vitenskapelig artikkel
-
Gimmestad, Martin;
Steigedal, Magnus;
Ertesvåg, Helga;
Moreno, Soledad;
Christensen, Bjørn Erik;
Espín, Guadalupe.
(2006)
Identification and characterization of an Azotobacter vinelandii type I secretion system responsible for export of the AlgE-Type mannuronan C-5-epimerases.
Journal of Bacteriology
Vitenskapelig artikkel
-
Issa, Mohamed M.;
Köping-Höggård, Magnus;
Tømmeraas, Kristoffer;
Vårum, Kjell Morten;
Christensen, Bjørn Erik;
Strand, Sabina P..
(2006)
Targeted gene delivery with trisaccharide-substituted chitosan oligomers in vitro and after lung administration in vivo.
Journal of Controlled Release
Vitenskapelig artikkel
-
Stalheim, Torunn;
Ballance, Simon;
Børsheim, Knut Yngve;
Christensen, Bjørn Erik;
Granum, Per Einar.
(2006)
MICROBIOCIDAL ACTIVITY OF BIOPOLYMERS ISOLATED FROM SPHAGNUM PAPILLOSUM.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
2005
-
Ballance, Simon;
Holtan, Synnøve;
Aarstad, Olav Andreas;
Sikorski, Pawel T.;
Skjåk-Bræk, Gudmund;
Christensen, Bjørn Erik.
(2005)
Application of high-performance anion-exchange chromatography with pulsed amperometric detection and statistical analysis to study oligosaccharide distributions - a complementary method to investigate the structure and some properties of alginates.
Journal of Chromatography A
Vitenskapelig artikkel
-
Eikenes, Morten;
Alfredsen, Gry;
Christensen, Bjørn Erik;
Militz, Holger;
Solheim, Halvor.
(2005)
Comparison of chitosans with different molecular weights as possible wood preservatives.
Journal of Wood Science
Vitenskapelig artikkel
-
Vold, Inger Mari Nygård;
Christensen, Bjørn Erik.
(2005)
Periodate oxidation of chitosans with different chemical compositions.
Carbohydrate Research
Vitenskapelig artikkel
-
Sletmoen, Marit;
Christensen, Bjørn Erik;
Stokke, Bjørn Torger.
(2005)
Probing macromolecular architectures of nanosized cyclic structures of (1-3)-beta-D-glucans by AFM and SEC-MALLS.
Carbohydrate Research
Vitenskapelig artikkel
-
Bakkevig, Karianne;
Sletta, Håvard;
Gimmestad, Martin;
Aune, Randi;
Ertesvåg, Helga;
Degnes, Kristin.
(2005)
Role of the Pseudomonas fluorescens alginate lyase (AlgL) in clearing the periplasm of alginates not exported to the extracellular environment.
Journal of Bacteriology
Vitenskapelig artikkel
-
Strand, Sabina P.;
Danielsen, Signe;
Christensen, Bjørn Erik;
Vårum, Kjell Morten.
(2005)
Influence of chitosan structure on the formation and stability of DNA-chitosan polyelectrolyte complexes.
Biomacromolecules
Vitenskapelig artikkel
2004
-
Ballance, Simon;
Børsheim, Yngve;
Christensen, Bjørn Erik.
(2004)
A unique 5-keto sugar in the leaves of Sphagnum moss: A review of the evidence.
Finish Peatland Society
Vitenskapelig antologi/Konferanseserie
-
Köping-Höggård, M.;
Vårum, Kjell Morten;
Issa, M.;
Danielsen, Signe;
Christensen, Bjørn Erik;
Stokke, Bjørn Torger.
(2004)
Improved chitosan-mediated gene delivery based on easily dissociated chitosan polyplexes of highly defined chitosan oligomers.
Gene Therapy
Vitenskapelig artikkel
-
Campa, Cristiana;
Oust, Astrid;
Skjak-Braek, G;
Skjåk-Bræk, Gudmund;
Paulsen, Berit Smestad;
Paoletti, Sergio.
(2004)
Determination of average degree of polymerisation and distribution of oligosaccharides in a partially acid-hydrolysed homopolysaccharide: A comparison of four experimental methods applied to mannuronan.
Journal of Chromatography A
Vitenskapelig artikkel
-
Roubroeks, J.P.;
Skjåk-Bræk, Gudmund;
Ryan, L.;
Christensen, Bjørn Erik.
(2004)
Molecular weight dependency on the production of the TNF stimulated by fractions of rye (1-3),(1-4)-b-D-glucan.
Scandinavian Journal of Immunology
Vitenskapelig artikkel
2003
-
Fredheim, Guro Elise;
Christensen, Bjørn Erik.
(2003)
Polyelectrolyte complexes: Interactions between lignosulfonate and chitosan.
Biomacromolecules
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Braaten, Svein Magne;
Christensen, Bjørn Erik.
(2003)
Comparison of molecular weight and molecular weight distributions of softwood and hardwood lignosulfonates.
Journal of wood chemistry and technology
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Braaten, Svein Magne;
Christensen, Bjørn Erik.
(2003)
Comparison of molecular weight and molecular weight distributions of softwood and hardwood lignosulfonates.
Journal of wood chemistry and technology
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Christensen, Bjørn Erik.
(2003)
Polyelectrolyte complexes: Interactions between lignosulfonate and chitosan.
Biomacromolecules
Vitenskapelig artikkel
2002
-
Fredheim, Guro Elise;
Braaten, Svein Magne;
Christensen, Bjørn Erik.
(2002)
Molecular weight determination of lignosulfonates by size-exclusion chromatography and multi-angle laser light scattering.
Journal of Chromatography A
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Braaten, Svein Magne;
Christensen, Bjørn Erik.
(2002)
Molecular weight determination of lignosulfonates by size-exclusion chromatography and multi-angle laser light scattering.
Journal of Chromatography A
Vitenskapelig artikkel
-
Tømmeraas, Kristoffer;
Köping-Höggård, M.;
Vårum, Kjell Morten;
Christensen, Bjørn Erik;
Artursson, P.;
Smidsrød, Olav.
(2002)
Preparation and characterisation of chitosans with oligosaccharide branches.
Carbohydrate Research
Vitenskapelig artikkel
2001
-
Christensen, Bjørn Erik;
Stokke, Bjørn Torger;
Aasprong, Einar.
(2001)
Gelation of periodate oxidised scleroglucan (scleraldehyde).
Carbohydrate Polymers
Vitenskapelig artikkel
-
Christensen, Bjørn Erik;
Ertesvåg, Helga;
Beyenal, Haluk;
Lewandowski, Zbigniew.
(2001)
Resistance of biofilms containing alginate-producing bacteria to disintegration by an alginate degrading enzyme (AlgL).
Biofouling (Print)
Vitenskapelig artikkel
2000
-
Schult, Tove;
Moe, Størker;
Hjerde, Torgeir;
Christensen, Bjørn Erik.
(2000)
Size exclusion chromatography of cellulose dissolved in LiCl/DMAc using macroporous monodisperse poly(styrene-co-divinylbenzene) particles.
Journal of Liquid Chromatography & Related Technologies
Vitenskapelig artikkel
-
Roubroeks, J. P.;
Mastromauro, D I.;
Andersson, R.;
Christensen, Bjørn Erik;
Åman, P..
(2000)
Molecular weight, structure, and shape of oat (1@h3),(1@h4)-_B-D-glucan fractions obtained by enzymatic degradation with lichenase.
Biomacromolecules
Vitenskapelig artikkel
1999
-
Christensen, Bjørn Erik.
(1999)
Physical and chemical properties of extracellular polysaccharides associated with biofilms and related systems.
Springer
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Hjerde, Torgeir;
Smidsrød, Olav;
Christensen, Bjørn Erik.
(1999)
Analysis of the conformational properties of _k- and _i-Carrageenan bysize-exclusion chromatography combined with low-angle laser light scattering.
Biopolymers
Vitenskapelig artikkel
1998
-
Stokke, Bjørn Torger;
Christensen, Bjørn Erik;
Smidsrød, Olav.
(1998)
Macromolecular properties of xanthan.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Stokke, Bjørn Torger;
Christensen, Bjørn Erik;
Smidsrød, Olav.
(1998)
Macromolecular properties of xanthan.
Marcel Dekker
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Hjerde, Torgeir;
Smidsrød, Olav;
Stokke, Bjørn Torger;
Christensen, Bjørn Erik.
(1998)
Acid hydrolysis of k- and i-carrageenan in the disordered and ordered conformations : characterization of partially hydrolyzed samples and single-stranded oligomers released from the ordered structures.
Macromolecules
Vitenskapelig artikkel
-
Hjerde, Torgeir;
Stokke, Bjørn Torger;
Smidsrød, Olav;
Christensen, Bjørn Erik.
(1998)
Free-radical degradation of triple-stranded scleroglucan by hydrogen peroxide and ferrous ions.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Hjerde, Torgeir;
Stokke, Bjørn Torger;
Smidsrød, Olav;
Christensen, Bjørn Erik.
(1998)
Free-radical degradation of triple-stranded scleroglucan by hydrogen peroxide and ferrous ions.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Guo, Bo;
Elgsaeter, Arnljot;
Christensen, Bjørn Erik;
Stokke, Bjørn Torger.
(1998)
Sclerox-chitosan co-gels: Effects of charge density on swelling of gels in ionic aqueous solution and in poor solvents, and on the rehydration of dried gels.
Polymer gels and networks
Vitenskapelig artikkel
Tidsskriftspublikasjoner
-
Yoshiba, Kazuto;
Christensen, Bjørn Erik.
(2023)
Order-Disorder Transition of Triple Helical β-1,3-<inf>d</inf>-Glucans in Aqueous Mixtures of Dimethyl Sulfoxide and Imidazole: Schizophyllan and its Chemically Modified Derivatives.
Macromolecular Symposia
Vitenskapelig artikkel
-
Yoshiba, Kazuto;
Christensen, Bjørn Erik.
(2023)
Order-Disorder Transition of Triple Helical 𝜷-1,3-D-Glucans in Aqueous Mixtures of Dimethyl Sulfoxide and Imidazole: Schizophyllan and its Chemically Modified Derivatives.
Macromolecular Symposia
Vitenskapelig oversiktsartikkel/review
-
Donati, Ivan;
Christensen, Bjørn Erik.
(2023)
Alginate-metal cation interactions: Macromolecular approach.
Carbohydrate Polymers
Vitenskapelig oversiktsartikkel/review
-
Münster, Lukáš;
Capáková, Zdenka;
Humpolíček, Petr;
Kuřitka, Ivo;
Christensen, Bjørn E.;
Vícha, Jan.
(2022)
Dicarboxylated hyaluronate: Synthesis of a new, highly functionalized and biocompatible derivative.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Ballance, Simon;
Lu, Yudong;
Zobel, Hanne;
Rieder, Anne;
Knutsen, Svein Halvor;
Dinu, Vlad T..
(2022)
Inter-laboratory analysis of cereal beta-glucan extracts of nutritional importance: An evaluation of different methods for determining weight-average molecular weight and molecular weight distribution.
Food Hydrocolloids
Vitenskapelig artikkel
-
Yoshiba, Kazuto;
Yasuda, Yota;
Christensen, Bjørn E.;
Kondo, Chisaki;
Miyazaki, Yuji;
Nakano, Motohiro.
(2022)
Association with Imidazole in the Cooperative Order–Disorder Transition in Aqueous Solution of Schizophyllan.
Langmuir
Vitenskapelig artikkel
-
Solberg, Amalie;
Mo, Ingrid Vikøren;
Omtvedt, Line Aanerud;
Strand, Berit Løkensgard;
Aachmann, Finn Lillelund;
Schatz, Christophe.
(2021)
Carbohydr Polym Special Issue Invited contribution: Click chemistry for block polysaccharides with dihydrazide and dioxyamine linkers - A review.
Carbohydrate Polymers
Vitenskapelig oversiktsartikkel/review
-
Solberg, Amalie;
Mo, Ingrid Vikøren;
Aachmann, Finn Lillelund;
Schatz, Christophe;
Christensen, Bjørn E..
(2021)
Alginate-based diblock polymers: preparation, characterization and Ca-induced self-assembly.
Polymer Chemistry
Vitenskapelig artikkel
-
Mo, Ingrid Vikøren;
Schatz, Christophe;
Christensen, Bjørn E..
(2021)
Functionalisation of the non-reducing end of chitin by selective periodate oxidation: A new approach to form complex block polysaccharides and water-soluble chitin-based block polymers.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Tafjord, Joakim;
Rytter, Erling;
Holmen, Anders;
Myrstad, Rune;
Svenum, Ingeborg-Helene;
Christensen, Bjørn E..
(2021)
Transition-Metal Nanoparticle Catalysts Anchored on Carbon Supports via Short-Chain Alginate Linkers.
ACS Applied Nano Materials
Vitenskapelig artikkel
-
Mo, Ingrid Vikøren;
Dalheim, Marianne Øksnes;
Aachmann, Finn Lillelund;
Schatz, Christophe;
Christensen, Bjørn E..
(2020)
2,5-Anhydro-d-Mannose End-Functionalized Chitin Oligomers Activated by Dioxyamines or Dihydrazides as Precursors of Diblock Oligosaccharides.
Biomacromolecules
Vitenskapelig artikkel
-
Mo, Ingrid Vikøren;
Feng, Yiming;
Dalheim, Marianne Øksnes;
Solberg, Amalie;
Aachmann, Finn Lillelund;
Schatz, Christophe.
(2020)
Activation of enzymatically produced chitooligosaccharides by dioxyamines and dihydrazides.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Yoshiba, Kazuto;
Saheki, Toshihiko;
Christensen, Bjørn E.;
Dobashi, Toshiaki.
(2019)
Conformation and cooperative order-disorder transition in aqueous solutions of β-1,3-d-glucan with different degree of branching varied by the Smith degradation.
Biopolymers
Vitenskapelig artikkel
-
Kucko, Nathan W.;
Li, Wenliang;
Martinez, Marcela A. Garcia;
Rehman, Ihtesham ur;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E..
(2019)
Sterilization effects on the handling and degradation properties
of calcium phosphate cements containing poly (D,L-lactic-co-glycolic acid)
porogens and carboxymethyl cellulose.
Journal of Biomedical Materials Research. Part B - Applied biomaterials
Vitenskapelig artikkel
-
Stender, Emil GP;
Andersen, Christian Dybdahl;
Fredslund, Folmer;
Holck, Jesper;
Solberg, Amalie;
Teze, David.
(2019)
Structural and functional aspects of mannuronic acid–specific PL6 alginate lyase from the human gut microbe Bacteroides cellulosilyticus.
Journal of Biological Chemistry
Vitenskapelig artikkel
-
Tomofuji, Yu;
Yoshiba, Kazuto;
Christensen, Bjørn E.;
Terao, Ken.
(2019)
Single-chain conformation of carboxylated schizophyllan, a triple helical polysaccharide, in dilute alkaline aqueous solution.
Polymer
Vitenskapelig artikkel
-
Yoshiba, Kazuto;
Dobashi, Toshiaki;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E..
(2018)
Cooperative Order−Disorder Transition of Carboxylated Schizophyllan in Water−Dimethylsulfoxide Mixtures.
Journal of Physical Chemistry B
Vitenskapelig artikkel
-
Christensen, Bjørn E.;
Strand, Sabina P.;
Basset, Coraline;
Kristiansen, Kåre Andre;
Ulset, Ann-Sissel Teialeret;
Ballance, Simon.
(2018)
Macromolecular acidic coating increases shelf life by inhibition of bacterial growth.
International journal of food microbiology
Vitenskapelig artikkel
-
Dalheim, Marianne Øksnes;
Ulset, Ann-Sissel Teialeret;
Jenssen, Ina Beate;
Christensen, Bjørn E..
(2017)
Degradation kinetics of peptide-coupled alginates prepared via the periodate oxidation reductive amination route.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Wold, Christian Winther;
Kjeldsen, Christian;
Corthay, Alexandre;
Rise, Frode;
Christensen, Bjørn E.;
Duus, Jens Øllgaard.
(2017)
Structural characterization of bioactive heteropolysaccharides from the
medicinal fungus Inonotus obliquus (Chaga).
Carbohydrate Polymers
Vitenskapelig artikkel
-
Yoshiba, Kazuto;
Okamoto, Satoka;
Dobashi, Toshiaki;
Oku, Hiroyuki;
Christensen, Bjørn E.;
Sato, Takahiro.
(2017)
Effects of carboxylation of the side chains on the order-disorder transition in aqueous solution of schizophyllan, a triple helical polysaccharide.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Dalheim, Marianne Øksnes;
Arnfinnsdottir, Nina Bjørk;
Widmalm, Göran;
Christensen, Bjørn E..
(2016)
The size and shape of three water-soluble, non-ionic polysaccharides produced by lactic acid bacteria: A comparative study.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Dalheim, Marianne Øksnes;
Vanacker, Julie;
Najmi, Maryam A.;
Aachmann, Finn Lillelund;
Strand, Berit Løkensgard;
Christensen, Bjørn E..
(2016)
Efficient functionalization of alginate biomaterials.
Biomaterials
Vitenskapelig artikkel
-
Rieder, Anne;
Knutsen, Svein Halvor;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E.;
Andersson, Roger;
Mikkelson, Atte.
(2015)
Inter-laboratory evaluation of SEC-post-column calcofluor for determination of the weight-average molar mass of cereal β-glucan.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Yoshiba, Kazuto;
Sato, Takahiro;
Osumi, Takaaki;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E..
(2015)
Conformation of carboxylated schizophyllan in aqueous solution.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Austarheim, Ingvild;
Christensen, Bjørn E.;
Aas, Hoai Thi Nguyen;
Thöle, Christian;
Diallo, Drissa;
Paulsen, Berit Smestad.
(2014)
Chemical characterization and complement fixation of pectins from Cola cordifolia leaves.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Cardoso, DA;
Ulset, Ann-Sissel Teialeret;
Bender, Johan;
Jansen, John A;
Christensen, Bjørn E.;
Leeuwenburgh, Sander.
(2014)
Effects of physical and chemical treatments on the molecular weight and degradation of alginate-hydroxyapatite composites.
Macromolecular Bioscience
Vitenskapelig artikkel
-
Ulset, Ann-Sissel Teialeret;
Mori, Hideki;
Dalheim, Marianne Øksnes;
Hara, Masayuki;
Christensen, Bjørn E..
(2014)
Influence of amino acids, buffers, and pH on the γ-irradiation-induced degradation of alginates.
Biomacromolecules
Vitenskapelig artikkel
-
Andersen, Therese;
Markussen, Christine;
Dornish, John Michael;
Heier-Baardson, Helene;
Melvik, Jan Egil;
Alsberg, Eben.
(2014)
In situ gelation for cell immobilization and culture in alginate foam scaffolds.
Tissue Engineering Part A
Vitenskapelig artikkel
-
Andersen, Therese;
Melvik, Jan Egil;
Gåserød, Olav;
Alsberg, Eben;
Christensen, Bjørn E..
(2014)
Ionically gelled alginate foams: Physical properties controlled by type, amount and source of gelling ions.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Qin, Fen;
Sletmoen, Marit;
Stokke, Bjørn Torger;
Christensen, Bjørn Erik.
(2013)
Higher order structures of a bioactive, water-soluble (1→3)-b-d-glucan derived from Saccharomyces cerevisiae.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Kristiansen, Kåre Andre;
Dalheim, Marianne Øksnes;
Christensen, Bjørn E..
(2013)
Periodate oxidation and macromolecular compaction of hyaluronan.
Pure and Applied Chemistry
Vitenskapelig artikkel
-
Kelesoglu, Murside Kes;
Christensen, Bjørn Erik.
(2013)
A re-investigation of the Mark-Houwink-Sakurada parameters for cellulose in Cuen: A study based on size-exclusion chromatography combined with multi-angle light scattering and viscometry.
Journal of Chromatography A
Vitenskapelig artikkel
-
Kelesoglu, Murside Kes;
Christensen, Bjørn E..
(2013)
Degradation of cellulosic insulation in power transformers: a SEC-MALLS study of artificially aged transformer papers.
Cellulose
Vitenskapelig artikkel
-
Qin, Fen;
Kelesoglu, Murside Kes;
Christensen, Bjørn E..
(2013)
A study of bioactive, branched (1→3)-b-d-glucans in dimethylacetamide/LiCl and dimethyl sulphoxide/LiCl using size-exclusion chromatography with multi-angle light scattering detection.
Journal of Chromatography A
Vitenskapelig artikkel
-
Ballance, Simon;
Kristiansen, Kåre Andre;
Skogaker, Nan E Tostrup;
Tvedt, Kåre E;
Christensen, Bjørn Erik.
(2012)
The localisation of pectin in Sphagnum moss leaves and its role in preservation.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Andersen, Therese;
Melvik, Jan Egil;
Gåserød, Olav;
Alsberg, Eben;
Christensen, Bjørn Erik.
(2012)
Ionically Gelled Alginate Foams: Physical Properties Controlled by Operational and Macromolecular Parameters.
Biomacromolecules
Vitenskapelig artikkel
-
Austarheim, Ingvild;
Christensen, Bjørn Erik;
Hegna, Ida Kristin;
Petersen, Bent O.;
Duus, Jens O;
Bye, Ragnar.
(2012)
Chemical and biological characterization of pectin-like polysaccharides from the bark of the Malian medicinal tree Cola cordifolia.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Qin, Fen;
Aachmann, Finn Lillelund;
Christensen, Bjørn Erik.
(2012)
Chain length distribution and aggregation of branched (1→3)-b-D-glucans from Saccharomyces cerevisae.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Suzuki, Shiho;
Christensen, Bjørn Erik;
Kitamura, Shinichi.
(2011)
Effect of mannuronate content and molecular weight of alginates on intestinal immunological activity through Peyer’s patch cells of C3H/HeJ mice.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Mellegård, Hilde;
Kovács, Ákos T.;
Lindback, Toril;
Christensen, Bjørn Erik;
Kuipers, Oscar P.;
Granum, Per Einar.
(2011)
Transcriptional responses of Bacillus cereus towards challenges with the polysaccharide chitosan.
PLOS ONE
Vitenskapelig artikkel
-
Kristiansen, Kåre Andre;
Tomren, Henrik Berg;
Christensen, Bjørn Erik.
(2011)
Periodate oxidized alginates: Depolymerization kinetics.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Mellegård, Hilde;
From, Cecilie;
Christensen, Bjørn Erik;
Granum, Per Einar.
(2011)
Inhibition of Bacillus cereus spore outgrowth and multiplication by chitosan.
International journal of food microbiology
Vitenskapelig artikkel
-
Mellegård, Hilde;
Strand, Sabina P.;
Christensen, Bjørn Erik;
Granum, Per Einar;
Hardy, Simon P..
(2011)
Antibacterial activity of chemically defined chitosans: Influence of molecular weight, degree of acetylation and test organism.
International journal of food microbiology
Vitenskapelig artikkel
-
Liland, Knut Brede;
Kes, Murside;
Ese, Marit-Helen;
Lundgaard, Lars Esben;
Christensen, Bjørn Erik.
(2011)
Study of Oxidation and Hydrolysis of Oil Impregnated Paper Insulation for Transformers using a Microcalorimeter.
IEEE transactions on dielectrics and electrical insulation
Vitenskapelig artikkel
-
Tømmeraas, Kristoffer;
Strand, Sabina P.;
Christensen, Bjørn Erik;
Smidsrød, Olav;
Vårum, Kjell Morten.
(2011)
Preparation and characterization of branched chitosans.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Kristiansen, Kåre Andre;
Potthast, Antje;
Christensen, Bjørn Erik.
(2010)
Periodate oxidation of polysaccharides for modification of chemical and physical properties.
Carbohydrate Research
Vitenskapelig artikkel
-
Chytil, Martin;
Strand, Sabina P.;
Christensen, Bjørn Erik;
Pekar, Miloslav.
(2010)
Calorimetric and light scattering study of interactions and macromolecular properties of native and hydrophobically modified hyaluronan.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Hara, Masayuki;
Koshimizu, Naoki;
Yoshida, Mayumi;
Haug, Ingvild;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn Erik.
(2010)
Cross-Linking and Depolymerisation of gamma-Irradiated Fish Gelatin and Porcine Gelatin Studied by SEC-MALLS and SDS-PAGE: A Comparative Study.
Journal of Biomaterials Science. Polymer Edition
Vitenskapelig artikkel
-
Ballance, Simon;
Aarstad, Olav Andreas;
Aachmann, Finn Lillelund;
Skjåk-Bræk, Gudmund;
Christensen, Bjørn Erik.
(2009)
Preparation of high purity monodisperse oligosaccharides derived from mannuronan by size-exclusion chromatography followed by semi-preparative high-performance anion-exchange chromatography with pulsed amperometric detection.
Carbohydrate Research
Vitenskapelig artikkel
-
Stalheim, Torunn;
Ballance, Simon;
Christensen, Bjørn Erik;
Granum, P.E..
(2009)
Sphagnan – a pectin-like polymer isolated from Sphagnum moss can inhibit the growth of some typical food spoilage and food poisoning bacteria by lowering the pH.
Journal of Applied Microbiology
Vitenskapelig artikkel
-
Stalheim, Torunn;
Ballance, Simon;
Christensen, Bjørn Erik;
Granum, Per Einar.
(2009)
Sphagnan - a pectin-like polymer isolated from Sphagnum moss can inhibit the growth of some typical food spoilage and food poisoning bacteria by lowering the pH.
Journal of Applied Microbiology
Vitenskapelig artikkel
-
Kristiansen, Kåre Andre;
Schirmer, Bjørn Christian;
Aachmann, Finn Lillelund;
Skjåk-Bræk, Gudmund;
Draget, Kurt Ingar;
Christensen, Bjørn Erik.
(2009)
Novel alginates prepared by independent control of chain stiffness and distribution of G-residues: Structure and gelling properties.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Kristiansen, Kåre Andre;
Ballance, Simon;
Potthast, A;
Christensen, Bjørn Erik.
(2009)
An evaluation of tritium and fluorescence labelling combined with multi-detector SEC for the detection of carbonyl groups in polysaccharides.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Christensen, Bjørn Erik;
Vold, Inger Mari Nygård;
Vårum, Kjell Morten.
(2008)
Chain stiffness and extension of chitosans and periodate oxidised chitosans studied by size-exclusion chromatography combined with light scattering and viscosity detectors.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Ballance, Simon;
Kristiansen, Kåre Andre;
Holt, Jarle;
Christensen, Bjørn Erik.
(2008)
Interactions of polysaccharides extracted by mild acid hydrolysis from the leaves of Sphagnum papillosum with either phenylhydrazine, o-phenylenediamine and its oxidation products or collagen.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Steigedal, Magnus;
Sletta, Håvard;
Moreno, Soledad;
Mærk, Mali;
Christensen, Bjørn Erik;
Bjerkan, Tonje Marita.
(2008)
The Azotobacter vinelandii AlgE mannuronan C-5-epimerase family is essential for the in vivo control of alginate monomer composition and for functional cyst formation.
Environmental Microbiology
Vitenskapelig artikkel
-
Strand, Sabina P.;
Issa, Mohamed M.;
Christensen, Bjørn Erik;
Vårum, Kjell Morten;
Artursson, Per.
(2008)
Tailoring of Chitosans for Gene Delivery: Novel Self-Branched Glycosylated Chitosan Oligomers with Improved Functional Properties.
Biomacromolecules
Vitenskapelig artikkel
-
Iotti, M.;
Fava, P.;
Ballance, Simon;
Christensen, Bjørn Erik;
Rustad, Turid.
(2007)
Absorbent pads for food trays made from Sphagnum moss.
Italian journal of food sciences
Vitenskapelig artikkel
-
Salehi, Payam;
Walker, John;
Madsen, Karen L.;
Sigurdson, Grant T.;
Strand, Berit Løkensgard;
Christensen, Bjørn Erik.
(2007)
Relationship between energetic stress and pro-apoptotic/cytoprotective kinase mechanisms in intestinal preservation.
Surgery
Vitenskapelig artikkel
-
Ballance, Simon;
Borsheim, Knut Yngve;
Børsheim, Knut Yngve;
Inngjerdingen, Kari Tvete;
Ingjerdingen, Kari;
Paulsen, Berit Smestad.
(2007)
A re-examination and partial characterisation of polysaccharides released by mild acid hydrolysis from the chlorite-treated leaves of Sphagnum papillosum.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Christensen, Bjørn Erik;
Skjåk-Bræk, Gudmund;
Smidsrød, Olav.
(2007)
Comment and Reply - Comment on “Conformational changes and aggregation of alginic acid as determined by fluorescence correlation spectroscopy”.
Biomacromolecules
Leder
-
Vold, Inger Mari Nygård;
Kristiansen, Kåre Andre;
Christensen, Bjørn Erik.
(2006)
A study of the chain stiffness and extension of alginates, in vitro epimerized alginates, and periodate-oxidized alginates using size-exclusion chromatography combined with light scattering and viscosity detectors.
Biomacromolecules
Vitenskapelig artikkel
-
Gimmestad, Martin;
Steigedal, Magnus;
Ertesvåg, Helga;
Moreno, Soledad;
Christensen, Bjørn Erik;
Espín, Guadalupe.
(2006)
Identification and characterization of an Azotobacter vinelandii type I secretion system responsible for export of the AlgE-Type mannuronan C-5-epimerases.
Journal of Bacteriology
Vitenskapelig artikkel
-
Issa, Mohamed M.;
Köping-Höggård, Magnus;
Tømmeraas, Kristoffer;
Vårum, Kjell Morten;
Christensen, Bjørn Erik;
Strand, Sabina P..
(2006)
Targeted gene delivery with trisaccharide-substituted chitosan oligomers in vitro and after lung administration in vivo.
Journal of Controlled Release
Vitenskapelig artikkel
-
Ballance, Simon;
Holtan, Synnøve;
Aarstad, Olav Andreas;
Sikorski, Pawel T.;
Skjåk-Bræk, Gudmund;
Christensen, Bjørn Erik.
(2005)
Application of high-performance anion-exchange chromatography with pulsed amperometric detection and statistical analysis to study oligosaccharide distributions - a complementary method to investigate the structure and some properties of alginates.
Journal of Chromatography A
Vitenskapelig artikkel
-
Eikenes, Morten;
Alfredsen, Gry;
Christensen, Bjørn Erik;
Militz, Holger;
Solheim, Halvor.
(2005)
Comparison of chitosans with different molecular weights as possible wood preservatives.
Journal of Wood Science
Vitenskapelig artikkel
-
Vold, Inger Mari Nygård;
Christensen, Bjørn Erik.
(2005)
Periodate oxidation of chitosans with different chemical compositions.
Carbohydrate Research
Vitenskapelig artikkel
-
Sletmoen, Marit;
Christensen, Bjørn Erik;
Stokke, Bjørn Torger.
(2005)
Probing macromolecular architectures of nanosized cyclic structures of (1-3)-beta-D-glucans by AFM and SEC-MALLS.
Carbohydrate Research
Vitenskapelig artikkel
-
Bakkevig, Karianne;
Sletta, Håvard;
Gimmestad, Martin;
Aune, Randi;
Ertesvåg, Helga;
Degnes, Kristin.
(2005)
Role of the Pseudomonas fluorescens alginate lyase (AlgL) in clearing the periplasm of alginates not exported to the extracellular environment.
Journal of Bacteriology
Vitenskapelig artikkel
-
Strand, Sabina P.;
Danielsen, Signe;
Christensen, Bjørn Erik;
Vårum, Kjell Morten.
(2005)
Influence of chitosan structure on the formation and stability of DNA-chitosan polyelectrolyte complexes.
Biomacromolecules
Vitenskapelig artikkel
-
Köping-Höggård, M.;
Vårum, Kjell Morten;
Issa, M.;
Danielsen, Signe;
Christensen, Bjørn Erik;
Stokke, Bjørn Torger.
(2004)
Improved chitosan-mediated gene delivery based on easily dissociated chitosan polyplexes of highly defined chitosan oligomers.
Gene Therapy
Vitenskapelig artikkel
-
Campa, Cristiana;
Oust, Astrid;
Skjak-Braek, G;
Skjåk-Bræk, Gudmund;
Paulsen, Berit Smestad;
Paoletti, Sergio.
(2004)
Determination of average degree of polymerisation and distribution of oligosaccharides in a partially acid-hydrolysed homopolysaccharide: A comparison of four experimental methods applied to mannuronan.
Journal of Chromatography A
Vitenskapelig artikkel
-
Roubroeks, J.P.;
Skjåk-Bræk, Gudmund;
Ryan, L.;
Christensen, Bjørn Erik.
(2004)
Molecular weight dependency on the production of the TNF stimulated by fractions of rye (1-3),(1-4)-b-D-glucan.
Scandinavian Journal of Immunology
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Christensen, Bjørn Erik.
(2003)
Polyelectrolyte complexes: Interactions between lignosulfonate and chitosan.
Biomacromolecules
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Braaten, Svein Magne;
Christensen, Bjørn Erik.
(2003)
Comparison of molecular weight and molecular weight distributions of softwood and hardwood lignosulfonates.
Journal of wood chemistry and technology
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Braaten, Svein Magne;
Christensen, Bjørn Erik.
(2003)
Comparison of molecular weight and molecular weight distributions of softwood and hardwood lignosulfonates.
Journal of wood chemistry and technology
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Christensen, Bjørn Erik.
(2003)
Polyelectrolyte complexes: Interactions between lignosulfonate and chitosan.
Biomacromolecules
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Braaten, Svein Magne;
Christensen, Bjørn Erik.
(2002)
Molecular weight determination of lignosulfonates by size-exclusion chromatography and multi-angle laser light scattering.
Journal of Chromatography A
Vitenskapelig artikkel
-
Fredheim, Guro Elise;
Braaten, Svein Magne;
Christensen, Bjørn Erik.
(2002)
Molecular weight determination of lignosulfonates by size-exclusion chromatography and multi-angle laser light scattering.
Journal of Chromatography A
Vitenskapelig artikkel
-
Tømmeraas, Kristoffer;
Köping-Höggård, M.;
Vårum, Kjell Morten;
Christensen, Bjørn Erik;
Artursson, P.;
Smidsrød, Olav.
(2002)
Preparation and characterisation of chitosans with oligosaccharide branches.
Carbohydrate Research
Vitenskapelig artikkel
-
Christensen, Bjørn Erik;
Stokke, Bjørn Torger;
Aasprong, Einar.
(2001)
Gelation of periodate oxidised scleroglucan (scleraldehyde).
Carbohydrate Polymers
Vitenskapelig artikkel
-
Christensen, Bjørn Erik;
Ertesvåg, Helga;
Beyenal, Haluk;
Lewandowski, Zbigniew.
(2001)
Resistance of biofilms containing alginate-producing bacteria to disintegration by an alginate degrading enzyme (AlgL).
Biofouling (Print)
Vitenskapelig artikkel
-
Schult, Tove;
Moe, Størker;
Hjerde, Torgeir;
Christensen, Bjørn Erik.
(2000)
Size exclusion chromatography of cellulose dissolved in LiCl/DMAc using macroporous monodisperse poly(styrene-co-divinylbenzene) particles.
Journal of Liquid Chromatography & Related Technologies
Vitenskapelig artikkel
-
Roubroeks, J. P.;
Mastromauro, D I.;
Andersson, R.;
Christensen, Bjørn Erik;
Åman, P..
(2000)
Molecular weight, structure, and shape of oat (1@h3),(1@h4)-_B-D-glucan fractions obtained by enzymatic degradation with lichenase.
Biomacromolecules
Vitenskapelig artikkel
-
Hjerde, Torgeir;
Smidsrød, Olav;
Christensen, Bjørn Erik.
(1999)
Analysis of the conformational properties of _k- and _i-Carrageenan bysize-exclusion chromatography combined with low-angle laser light scattering.
Biopolymers
Vitenskapelig artikkel
-
Hjerde, Torgeir;
Smidsrød, Olav;
Stokke, Bjørn Torger;
Christensen, Bjørn Erik.
(1998)
Acid hydrolysis of k- and i-carrageenan in the disordered and ordered conformations : characterization of partially hydrolyzed samples and single-stranded oligomers released from the ordered structures.
Macromolecules
Vitenskapelig artikkel
-
Hjerde, Torgeir;
Stokke, Bjørn Torger;
Smidsrød, Olav;
Christensen, Bjørn Erik.
(1998)
Free-radical degradation of triple-stranded scleroglucan by hydrogen peroxide and ferrous ions.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Hjerde, Torgeir;
Stokke, Bjørn Torger;
Smidsrød, Olav;
Christensen, Bjørn Erik.
(1998)
Free-radical degradation of triple-stranded scleroglucan by hydrogen peroxide and ferrous ions.
Carbohydrate Polymers
Vitenskapelig artikkel
-
Guo, Bo;
Elgsaeter, Arnljot;
Christensen, Bjørn Erik;
Stokke, Bjørn Torger.
(1998)
Sclerox-chitosan co-gels: Effects of charge density on swelling of gels in ionic aqueous solution and in poor solvents, and on the rehydration of dried gels.
Polymer gels and networks
Vitenskapelig artikkel
Bøker
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Christensen, Bjørn E..
(2020)
Recent trends in carbohydrate chemistry. Synthesis, structure and functions of carbohydrates Vol. 1-2.
Elsevier
Elsevier
Vitenskapelig antologi/Konferanseserie
-
Ballance, Simon;
Børsheim, Yngve;
Christensen, Bjørn Erik.
(2004)
A unique 5-keto sugar in the leaves of Sphagnum moss: A review of the evidence.
Finish Peatland Society
Vitenskapelig antologi/Konferanseserie
Del av bok/rapport
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Dalheim, Marianne Øksnes;
Christensen, Bjørn E.;
Comesse, Sébastien;
Renou, Frédéric.
(2020)
Modification of xanthan in the ordered and disordered states.
Elsevier
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Andersen, Therese;
Strand, Berit Løkensgard;
Formo, Kjetil Ødegård;
Alsberg, Eben;
Christensen, Bjørn Erik.
(2012)
Alginates as biomaterials in tissue engineering.
Royal Society of Chemistry (RSC)
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Stalheim, Torunn;
Ballance, Simon;
Børsheim, Knut Yngve;
Christensen, Bjørn Erik;
Granum, Per Einar.
(2006)
MICROBIOCIDAL ACTIVITY OF BIOPOLYMERS ISOLATED FROM SPHAGNUM PAPILLOSUM.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
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Christensen, Bjørn Erik.
(1999)
Physical and chemical properties of extracellular polysaccharides associated with biofilms and related systems.
Springer
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Stokke, Bjørn Torger;
Christensen, Bjørn Erik;
Smidsrød, Olav.
(1998)
Macromolecular properties of xanthan.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
-
Stokke, Bjørn Torger;
Christensen, Bjørn Erik;
Smidsrød, Olav.
(1998)
Macromolecular properties of xanthan.
Marcel Dekker
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
Rapport
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Kes, Murside;
Christensen, Bjørn Erik;
Moe, Størker T..
(2013)
Ageing of Cellulosic Insulations in Transformer Oil.
Doktoravhandlinger ved NTNU (80)
Doktorgradsavhandling
PRODUKT
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Courtade, Gaston;
Christensen, Bjørn E.;
Ulset, Ann-Sissel Teialeret.
(2014)
Video demonstration of Biopolymers lab exercises.
Digitale læremidler
Undervisning
Emner
Formidling
2022
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Vitenskapelig foredragSolberg, Amalie; Schatz, Christophe; Christensen, Bjørn E.. (2022) Alginates – Physiochemical properties and state-of-the art applications. Green Chemistry of Advanced Materials (GREENCAM), a collaboration between NTNU and University of Bucharest Materials from biomass - Summer school , Trondheim, Norway 2022-09-12 - 2022-09-16
2021
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Vitenskapelig foredragChristensen, Bjørn E.. (2021) Block polysaccharides by terminal conjugation. Osaka University Polysolvat-13 , Osaka 2021-11-09 - 2021-11-12
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Vitenskapelig foredragChristensen, Bjørn E.. (2021) BLOCK POLYSACCHARIDES BY TERMINAL BLOCK CONJUGATION. EPNOE EPNOE 2021 , Nantes 2021-10-11 - 2021-10-15
2019
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Faglig foredragChristensen, Bjørn E.. (2019) Plast og mikroplast: Uavklarte spørsmål og nye muligheter?. Tekna Tekna Biotec seminar , NTNU 2019-10-28 - 2019-10-28
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Vitenskapelig foredragChristensen, Bjørn E.. (2019) Structure-function properties of polysaccharides studied by multidetector SEC. EPNOE 6th EPNOE International Polysaccharide Conference 2019-10-21 - 2019-10-25
2018
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Vitenskapelig foredragChristensen, Bjørn E.. (2018) Next generation polysaccharides - Namba talk. Osaka Prefecture University Workshop on interdisciplinary approaches on carbohydrate engineering , Namba 2018-03-09 - 2018-03-09
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Vitenskapelig foredragChristensen, Bjørn E.. (2018) Next generation polysaccharides. Ehime University. Japan Gjesteforelesning , Matsuyama 2018-11-30 - 2018-11-30
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PosterMo, Ingrid Vikøren; Solberg, Amalie; Dalheim, Marianne Øksnes; Schatz, Christophe; Christensen, Bjørn E.. (2018) Modular block polysaccharides based on renewable resources. The Society of Polymer Science, Japan 12th SPSJ International Polymer Conference , Hiroshima 2018-12-04 - 2018-12-07
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PosterYoshiba, Kazuto; Tomufuji, Yu; Terao, Ken; Dobashi, Toshiaki; Christensen, Bjørn E.. (2018) Molecular conformation of carboxylated schizophyllan after the denaturation from SEC-MALS and SAXS measurements. The Society of Polymer Science, Japan 12th SPSJ International Polymer Conference , Hiroshima 2018-12-04 - 2018-12-07
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PosterMo, Ingrid Vikøren; Solberg, Amalie; Dalheim, Marianne Øksnes; Schatz, Christophe; Christensen, Bjørn E.. (2018) Modular block polysaccharides based on renewable resources (Poster). ICP 12 2018-12-04 - 2018-12-07
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Vitenskapelig foredragChristensen, Bjørn E.. (2018) ICS 2018: Polysaccharide Engineering: Lateral and terminal modification. ICO: Int. Carbohydrate Organization og Univ. Lisboa, Portuga 29th Int. Carbohydrate Symposium , Lisboa 2018-07-14 - 2018-07-19
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Faglig foredragChristensen, Bjørn E.. (2018) Characterising physicochemical properties of polysaccharides. Summer Course Glycosciences 15th European Training Course on Carbohydrates 24 – 28 June 2018, Wageningen, the Netherlands , Wageningen 2018-06-24 - 2018-06-28
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Faglig foredragChristensen, Bjørn E.. (2018) Alginates. Summer Course Glycosciences 15th European Training Course on Carbohydrates 24 – 28 June 2018, Wageningen, the Netherlands , Wageningen 2018-06-24 - 2018-06-28
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Vitenskapelig foredragChristensen, Bjørn E.. (2018) Characterisation of polysaccharides. NTNU Bioencapsulation Research Group 10th Microencapsulation Training School , Trondheim 2018-09-18 - 2018-09-21
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Vitenskapelig foredragChristensen, Bjørn E.. (2018) Xanthan and Next generation polysaccharides. Osaka University (Prof. Takahiro Sato) Seminar Osaka University , Osaka University 2018-03-13 - 2018-03-13
2017
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Vitenskapelig foredragChristensen, Bjørn E.. (2017) Polysaccharide Engineering: Lateral and terminal substitutions (OL 135). ECO 19th Eurocarb 2017 , Barcelona 2017-07-02 - 2017-07-06
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PosterMo, Ingrid Vikøren; Dalheim, Marianne Øksnes; Schatz, Christophe; Christensen, Bjørn E.; Solberg, Amalie. (2017) Preparation and Characterization of Oligosaccharide-Dihydrazide Conjugates. European Carbohydrate Organisation European Carbohydrate Symposium, Eurocarb 2017 , Barcelona 2017-07-02 -
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PosterYoshiba, Kazuto; Christensen, Bjørn E.. (2017) Structural change of the carboxylated schizophyllan (sclerox) in aqueous solutions. Eur. Carbohydrate Organisation (ECO) 19th Eurocarb 2017 , Barcelona 2017-07-02 - 2017-07-06
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Vitenskapelig foredragChristensen, Bjørn E.. (2017) Alginates: Structure, function, and chemical modifications. Cermav-CNRS/INRA, France 3ème Séminaire du GDR Symbiose , Montpellier 2017-05-29 - 2017-06-01
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Vitenskapelig foredragChristensen, Bjørn E.. (2017) Nex generation polysaccharides. IBT, NTNU Instituttseminar IBT , IBT, NTNU 2017-06-21 - 2017-06-21
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Vitenskapelig foredragChristensen, Bjørn E.; Dalheim, Marianne Øksnes; Vikøren Mo, Ingrid; Schatz, Christophe. (2017) POLYSACCHARIDE ENGINEERING: LATERAL AND TERMINAL MODIFICATIONS. EPNOE 5 th EPNOE International Polysaccharide Conference , Jena 2017-08-20 - 2017-08-24
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Vitenskapelig foredragChristensen, Bjørn E.. (2017) Polysaccharide Engineering: Lateral and terminal functionalization - a few examples from recent research. Osaka Prefecture University (Prof. S. Kitamura) Seminar Osaka Prefecture University , Namba, Osaka 2017-03-06 - 2017-03-06
2016
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Vitenskapelig foredragStrand, Berit Løkensgard; Dalheim, Marianne Øksnes; Arlov, Øystein; Aachmann, Finn Lillelund; Christensen, Bjørn E.; Skjåk-Bræk, Gudmund. (2016) Chemoenzymatic modification of alginates for tissue engineering applications. CHEM2NATURE 5th Portuguese Young Chemists (5th PYCheM) and 1st European Young Chemists (1st EYCheM) Meeting. , Guimarães 2016-04-26 - 2016-04-29
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PosterMo, Ingrid Vikøren; Dalheim, Marianne Øksnes; Christensen, Bjørn E.; Schatz, Christophe. (2016) Perparation and Characterization of Chitin-Dihydrazide Conjugates. International Carbohydrate Organization International Carbohydrate Symposium, ICS 2016 , New Orleans 2016-07-17 - 2016-07-21
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Vitenskapelig foredragDalheim, Marianne Øksnes; Vanacker, Julie; Sandvig, Ioanna; Aachmann, Finn Lillelund; Skjåk-Bræk, Gudmund; Christensen, Bjørn E.. (2016) Functionalization of alginate for tissue engineering applications. Scandinavian Society for Biomaterials 9th meeting of the Scandinavian Society for Biomaterials , Reykjavik 2016-06-01 - 2016-06-03
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Vitenskapelig foredragChristensen, Bjørn E.. (2016) Polysaccharide Engineering: Some recent examples. Seminar San Sebastian. CIC BiomaGUNE Gjesteforelesning , San Sebastian 2016-05-11 - 2016-05-11
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Vitenskapelig foredragChristensen, Bjørn E.. (2016) Polysaccharide Engineering: Some recent examples and future perspectives II. Max Planck Institute of Colloids and Surfaces Invited guest lecture, Max Planck Institute of Colloids and Surfaces , Golm 2016-05-24 - 2016-05-25
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Vitenskapelig foredragChristensen, Bjørn E.. (2016) Characterisation physico-chemical properties of polysaccharides. 14th European Training Course on Carbohydrates , Groningen 2016-06-12 - 2016-06-16
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Faglig foredragChristensen, Bjørn E.. (2016) Peptide-substituted alginate biomaterials. Int. Carbohydrate Organization 28th Int. Carbohydrate Symposium , New Orleans 2016-07-17 - 2016-07-22
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PosterDalheim, Marianne Ø.; Widmalm, Gøran; Christensen, Bjørn E.. (2016) Structural features influencing size and chain extension of O-antigenic polysaccharides from E. coli strains 44, 125, 142 and 173. ICO 28th Int. Carbohydr. Conference , New Orleans 2016-07-17 - 2016-07-22
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Faglig foredragChristensen, Bjørn E.. (2016) Structure-function relationships in polysaccharides . IECB Institute seminar , Bordeaux 2016-09-23 - 2016-09-23
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Vitenskapelig foredragChristensen, Bjørn E.. (2016) Structure, properties and applications of alginates. 14th European Training Course on Carbohydrates , Groningen 2016-06-12 - 2016-06-16
2015
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PosterRieder, Anne; Knutsen, Svein Halvor; Ulset, Ann-Sissel Teialeret; Christensen, Bjørn E.; Andersson, Roger; Mikkelson, Atte. (2015) Inter-laboratory evaluation of SEC-post-column calcofluor for determination of the weight-average molar mass of cereal β-glucan. ICC (Int. Association for Cereal Science and Technology) 6th International Dietary Fibre Conference 2015 , Paris 2015-06-01 - 2015-06-03
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Vitenskapelig foredragStrand, Berit Løkensgard; Dalheim, Marianne Øksnes; Vanacker, Julie; Aachmann, Finn Lillelund; Skjåk-Bræk, Gudmund; Christensen, Bjørn E.. (2015) Functionalization of alginate for tissue engineering applications. NTNU KiFEE , Trondheim 2015-09-20 - 2015-09-23
2014
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Faglig foredragChristensen, Bjørn E.; Stokke, Bjørn Torger; Vårum, Kjell Morten; Kitamura, Shinichi. (2014) The variety of practical uses of kombu (Laminaria) apart from as a cooking ingredient. Kyoto International Forum for Environment and Energy , Doshisha University 2014-03-15 - 2014-03-15
2013
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IntervjuChristensen, Bjørn Erik. (2013) Ny metode bevarer maten lengre. NRK Trøndelag NRK Trøndelag [Radio] 2013-01-16
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IntervjuChristensen, Bjørn Erik. (2013) Tang forlenger holdbarhet på mat. Nordlys Nordlys [Avis] 2013-01-19
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IntervjuChristensen, Bjørn Erik. (2013) Tangspray skal gjøre mat mer holdbar. Bergens Tidende Bergens Tidende [Avis] 2013-01-16
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IntervjuChristensen, Bjørn Erik. (2013) Brunalger skal forlenge holdbarheten. http://www.kyst.no http://www.kyst.no [Internett] 2013-01-17
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IntervjuChristensen, Bjørn Erik; Aursand, Eli Grong. (2013) Økt levetidfor mat: -Gir bedre utnyttelse av råvarer. Adresseavisen Adresseavisen [Avis] 2013-01-16
2011
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Vitenskapelig foredragKristiansen, Kåre Andre; Strand, Sabina P.; Christensen, Bjørn Erik. (2011) Novel polysaccharide architectures for biomedical applications. 7th International Conference on Polysaccharides-Glycoscience 2011 , Prague 2011-11-02 - 2011-11-04
2008
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Vitenskapelig foredragStrand, Sabina P.; Issa, Mohamed M.; Christensen, Bjørn Erik; Artursson, Per; Vårum, Kjell Morten. (2008) Tailoring of chitosans for gene delivery. 8th World Biomaterials Congress , Amsterdam 2008-05-28 - 2008-06-01
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Vitenskapelig foredragStrand, Sabina P.; Issa, Mohamed M.; Christensen, Bjørn Erik; Artursson, Per; Vårum, Kjell Morten. (2008) Molecular tailoring of chitosans for gene delivery. 24th Int. Carbohydrate Symposium , Oslo 2008-07-27 - 2008-08-01
2007
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Vitenskapelig foredragChristensen, Bjørn Erik. (2007) Application of GPC-MALLS-Viscosity measurements to characterization of biopolymers. Seminar lecture , Osaka Prefecture University 2007-04-19 - 2007-04-19
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Vitenskapelig foredragChristensen, Bjørn Erik. (2007) Polysaccharides with reactive carbonyl groups. KIFEE seminar , Biwako 2007-12-04 - 2007-12-07
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Vitenskapelig foredragChristensen, Bjørn Erik; Vold, Inger Mari Nygård; Kristiansen, Kåre Andre; Stokke, Bjørn Torger; Sletmoen, Marit. (2007) Analysis of shape and interactions of polysaccharides and polysaccharide complexes using size-exclusion chromatography with multiple detectors. SCM-3 Third International Symposium on Separation and Characterization of Natural and Synthetic Macromolecules , Rhône Congress Centre, Amsterdam. 2007-01-31 - 2007-02-02
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Vitenskapelig foredragChristensen, Bjørn Erik. (2007) Master of Science in Nanotechnology (at NTNU). Int. Conference on Nanoscience and Technology (Session on nano education) , Stockholm 2007-07-04 - 2007-07-06
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Vitenskapelig foredragChristensen, Bjørn Erik. (2007) Chain stiffness of semiflexible polysaccharides: a comparative analysis. 14th European Carbohydrate Conference , Lübeck 2007-09-02 - 2007-09-07
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PosterAarstad, Olav Andreas; Ballance, Simon; Christensen, Bjørn Erik; Skjåk-Bræk, Gudmund. (2007) Application of HPAEC-PAD to derermine the distribution of oligosaccharides in acid hydrolysed alginate with varying composition. 14th European Carbohydrate Symposium , Lübeck 2007-09-02 - 2007-09-07
2006
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Vitenskapelig foredragSletmoen, Marit; Christensen, Bjørn Erik; Stokke, Bjørn Torger. (2006) Structure and behaviour of Scleroglucan and polyC-scleroglucan complexes. Kyoto international forum for environment and energy the second KIFEE symposium , NTNU 2006-09-06 - 2006-09-08
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Vitenskapelig foredragChristensen, Bjørn Erik; Vold, Inger Mari Nygård; Kristiansen, Kåre Andre; Stokke, Bjørn Torger; Sletmoen, Marit. (2006) Analysis of Shape and Interactions of Polysaccharides and Polysaccharide Complexes Using Size-Exclusion Chromatography With Multiple Detectors. XXIIIrd International Carbohydrate Symposium , Whistler, British Columbia 2006-07-23 - 2006-07-28
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Vitenskapelig foredragChristensen, Bjørn Erik. (2006) Polysaccharide research in Trondheim. History and selected examples from current research. CAP seminar , Lund 2006-05-09 - 2006-05-09
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Vitenskapelig foredragChristensen, Bjørn Erik. (2006) Biomaterials based on polysaccharides with reactive carbonyl groups: applications in biomedicine and food preservation. Lecture/seminar at Dept. Biochemistry, Lund University , Lund 2006-03-30 - 2006-03-30
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Vitenskapelig foredragVold, Inger Mari Nygård; Kristiansen, Kåre A.; Christensen, Bjørn Erik. (2006) Chain extension and flexibility of oxidised and in vitro epimerised alginates studied by size-exclusion chromatography using light scattering and viscosity detectors. 8th International Hydrocolloids Conference , Trondheim 2006-06-18 - 2006-06-22
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Vitenskapelig foredragChristensen, Bjørn Erik. (2006) NOBIPOL - The Norwegian Biopolymer Laboratory at NTNU. Seminar for the Ambassador of Thailand , NTNU 2006-02-17 - 2006-02-17
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Vitenskapelig foredragIotti, M.; Fava, P.; Ballance, Simon; Christensen, Bjørn Erik; Rustad, Turid. (2006) Anti-microbial bio-pad for food applications. Shelf-life international meeting , University of Catania 2006-06-21 - 2006-06-23
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Vitenskapelig foredragStalheim, T.; Ballance, Simon; Christensen, Bjørn Erik; Granum, P.E.. (2006) Microbiocidal activity of biopolymers isolated from Sphagnum papillosum. Fouling, Cleaning & Disinfection in Food Processing 2006 , University of Cambridge 2006-03-20 - 2006-03-22
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Vitenskapelig foredragBallance, Simon; Børsheim, Knut Yngve; Stalheim, T.; Christensen, Bjørn Erik. (2006) The characterisation and microbiocidal activity of polysaccharides released from the leaves of Sphagnum papillosum. Invited guest lecture , Universitetet i Bergen 2006-02-28 -
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Vitenskapelig foredragBallance, Simon; Stalheim, T.; Granum, P.E.; Christensen, Bjørn Erik. (2006) Antimicrobial polysaccharides from Sphagnum moss. The second KIFFE symposium on materials and processes for environment and energy , NTNU, Trondheim 2006-09-06 - 2006-09-08
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PosterBallance, Simon; Børsheim, Knut Yngve; Ingjerdingen, K.; Paulsen, B.S.; Christensen, Bjørn Erik. (2006) A re-examination and partial characterisation of polysaccharides released by mild acid hydrolysis from the chlorite treated leaves of Sphagnum papillosum. 13th International Carbohydrate Symposium , Whistler 2006-07-23 - 2006-07-28
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PosterBallance, Simon; Børsheim, Knut Yngve; Ingjerdingen, K.; Paulsen, B.S.; Christensen, Bjørn Erik. (2006) A re-examination and partial characterisation of polysaccharides released by mild acid hydrolysis from the chlorite treated leaves of Sphagnum papillosum. 8th International Hydrocolloids conference , NTNU, Trondheim 2006-06-18 - 2006-06-22
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PosterKristiansen, Kåre Andre; Ballance, Simon; Christensen, Bjørn Erik. (2006) A New Method to Measure Carbonyl Groups in Polysaccharides by Reduction with Tritiated Borohydride Combined with Multi-detector SEC. ICS-2006 (International Carbohydrate Symposium 2006) , Telus Whistler Conference centre, Whistler 2006-07-23 - 2006-07-28
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Vitenskapelig foredragStalheim, Torunn; Hegna, Ida Kristin; Ballance, Simon; Christensen, Bjørn Erik; Granum, Per Einar. (2006) Antimicrobial activity of biopolymers isolated from Sphagnum moss. 1st Norwegian Microbiology Meeting 2006, NoMi-06 , Geilo 2006-10-22 - 2006-10-24
2005
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Vitenskapelig foredragChristensen, Bjørn Erik. (2005) Biomaterials based on polysaccharides with reactive carbonyl groups: applications in biomedicine and food preservation. KIFEE workshop , Kyoto 2005-10-07 - 2005-10-07
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Vitenskapelig foredragChristensen, Bjørn Erik. (2005) A study of the chain stiffness in alginates using size-exclusion chromatography combined with light-scattering and viscosity detectors. Second International Symposium on Separation and Characterization of Natural and Synthetic Macromolecules (SCM-2) 2005-02-02 - 2005-02-04
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Vitenskapelig foredragChristensen, Bjørn Erik. (2005) Presentation of NOBIPOL research. BASF Plant Science 2005-04-13 - 2005-04-13
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Vitenskapelig foredragChristensen, Bjørn Erik; Vold, Inger Mari Nygård. (2005) Chain extension and flexibility of oxidised and in vitro epimerised alginates studied by size-exclusion chromatography using light scattering and viscosity detectors. 13th Eur. Carbohydr. Conference , Bratislava 2005-08-21 - 2005-08-26
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Vitenskapelig foredragSletmoen, Marit; Christensen, Bjørn Erik; Stokke, Bjørn Torger. (2005) Probind macromolecular architecture of (1,3)-beta-D-Glucans and (1,3)-beta-D-Glucan-polynucleotide complexes. 13th European Carbohydrate Symposium , Bratislava 2005-08-21 - 2005-08-26
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Vitenskapelig foredragChristensen, Bjørn Erik. (2005) Antimicrobial polysaccharides from Sphagnum mosses. NT faculty, NTNU Innovation seminar , Trondheim 2005-09-26 - 2005-09-26
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Vitenskapelig foredragSletmoen, Marit; Kitamura, Shinichi; Falch, Berit H.; Christensen, Bjørn Erik; Stokke, Bjørn Torger. (2005) Scleroglucan morphologies observed by ultramicroscopy and solution techniques. Second Symposium of Kyoto International Forum for Environment and Energy (KIFEE) , Kyoto 2005-10-05 - 2005-10-07
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PosterGimmestad, Martin; Steigedal, Magnus; Christensen, Bjørn Erik; Sletta, Håvard; Ellingsen, Trond E; Valla, Svein. (2005) Identification and characterization of an Azotobacter vinelandii Type I secretion system responsible for export of the AlgE-type mannuronan C5-epimerase. Dechema e.V. 2nd European Conference on Prokaryotic Genomes. PROKAGEN 2005 , Göttingen 2005-09-23 - 2005-09-26
2004
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Vitenskapelig foredragVold, Inger Mari Nygård; Christensen, Bjørn Erik. (2004) A study of the chain stiffness in alginates using size-exclusion chromatography combined with light-scattering and viscosity detectors. NOBIPOL, NTNU Marine Biopolymers , Trondheim 2004-06-27 - 2004-06-29
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Vitenskapelig foredragStrand, Sabina P.; Danielsen, Signe; Christensen, Bjørn Erik; Vårum, Kjell Morten. (2004) Formation and stability of DNA-chitosan polyelectrolyte complexes. NOBIPOL, NTNU Marine Biopolymers , Trondheim 2004-06-27 - 2004-06-29
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Vitenskapelig foredragChristensen, Bjørn Erik. (2004) Research collaboration between Norway and Japan within the science of marine and microbial biopolymers. Japan-seminar , Trondheim 2004-08-12 - 2004-08-12
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Vitenskapelig foredragChristensen, Bjørn Erik. (2004) Sphagnum mosses and peat: New possibilities for the food- and packaging industries?. Emballasjeforsk, Matforsk , Ås 2004-10-12 - 2004-10-12
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Vitenskapelig foredragBallance, Simon; Børsheim, Yngve; Christensen, Bjørn Erik. (2004) Chemical composition and antimicrobial properties of sphagnan: A pectin-related polysaccharide with reactive carbonyl groups. 22nd Int. Carbohydr. Symp. , Glasgow 2004-07-23 - 2004-07-27
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PosterSletmoen, Marit; Christensen, Bjørn Erik; Stokke, Bjørn Torger. (2004) Nanosized cyclic structures of beta-1,3-D-glucans: Competing species in renaturation gelation of scleroglucan. Polymer Networks Group Polymer Networks 2004, 17th Polymer Networks Group meeting , Bethesda 2004-08-15 - 2004-08-19
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PosterAndersen, Therese; Christensen, Bjørn Erik. (2004) Relationships between chemical composition and chain length in alginates. NOBIPOL, NTNU Marine Biopolymers , Trondheim 2004-06-27 - 2004-06-29
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PosterAarstad, Olav; Holtan, Synnøve; Skjåk-Bræk, Gudmund; Christensen, Bjørn Erik; Ballance, Simon. (2004) Application of HPAEC-PAD to determine the average degree of polymerisation and distribution of oligosaccharides from partially acid hydrolysed mannuronan and guluronan. NOBIPOL, NTNU Marine Biopolymers , Trondheim 2004-06-27 - 2004-06-29
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PosterChristensen, Bjørn Erik. (2004) Antimicrobial nanoparticles from Sphagnum moss. Nanomat Conference , Oslo 2004-06-03 - 2004-06-04
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PosterAndersen, Therese; Christensen, Bjørn Erik. (2004) Relation between chemical composition and chain length in alginates. NOBIPOL, NTNU Marine Biopolymers Conference , Trondheim 2004-06-27 - 2004-06-29
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PosterVold, Inger Mari Nygård; Christensen, Bjørn Erik. (2004) Periodate oxidation of chitosans. NOBIPOL, NTNU Marine Biopolymers , Trondheim 2004-06-27 - 2004-06-29
2003
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Vitenskapelig foredragDanielsen, Signe; Maurstad, Gjertrud; Sletmoen, Marit; Skjåk-Bræk, Gudmund; Vårum, Kjell Morten; Christensen, Bjørn Erik. (2003) Nanotechnology at the interface of biopolymers. Nanotech 2003 + future , Tokyo 2003-02-28 -
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Vitenskapelig foredragBallance, Simon; Børsheim, Knut Yngve; Engtrø, Helle; Christensen, Bjørn Erik. (2003) Sphagnan: a novel polysaccharide with reactive carbonyl groups that protects other biomaterials from biodegradation. International Symposium on Polysaccharide Engineering , Osaka Prefecture University, Sakai, Osaka, Japan 2003-06-10 -
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Vitenskapelig foredragBallance, Simon; Børsheim, Knut Yngve; Engtrø, Helle; Christensen, Bjørn Erik. (2003) Sphagnan: A novel polysaccharide with reactive carbonyl groups protect other biomaterials from biodegradation. 6. Norske Polymer- og kolloidvitenskapelige Vårmøte , Wadahl 2003-04-09 -
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Vitenskapelig foredragNygård, Inger Mari; Ulset, Ann-Sissel; Christensen, Bjørn Erik. (2003) A study of alginates by size-exclusion chromatography combined with light-scattering and viscosity detectors. Teveltunet conference (NOBIPOL) , Teveltunet 2003-05-20 -
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Vitenskapelig foredragNygård, Inger Mari; Ulset, Ann-Sissel; Smidsrød, Olav; Christensen, Bjørn Erik. (2003) A study of the chain stiffness in alginates using size-exclusion chromatography combined with light-scattering and viscosity detectors. European Polymer Federation Symposium 03 , Stockholm 2003-06-27 -
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Vitenskapelig foredragBallance, Simon; Børsheim, Knut Yngve; Painter, Terence John; Christensen, Bjørn Erik. (2003) Sphagnan: a novel polysaccharide with reactive carbonyl groups that protects other biomaterials from biodegradation. 12th European Carbohydrate Symposium (EUROCARB XII) , Grenoble 2003-07-11 -
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Vitenskapelig foredragChristensen, Bjørn Erik. (2003) Forskning på sphagnan og Sphagnan-moser. Norske torv-og jordprodusenters bransjeforbund , Vikhamar 2003-09-04 -
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Vitenskapelig foredragBallance, Simon; Børsheim, Knut Yngve; Christensen, Bjørn Erik. (2003) Sphagnan: a novel polysaccharide with reactive carbonyl groups that protects other biomaterials from biodegradation. Seminar innen polymerer og kompositter. Tematisk satsningsområde materialer, NTNU , Jægtvolden fjord hotel 2003-10-24 -
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Vitenskapelig foredragBallance, Simon; Børsheim, Knut Yngve; Christensen, Bjørn Erik. (2003) Sphagnan: a novel polysaccharide with reactive carbonyl groups that protects other biomaterials from biodegradation. Dept. of Pharmacy, Univ. Oslo , Oslo 2003-11-13 -
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Vitenskapelig foredragSchult, Tove; Christensen, Bjørn Erik; Moe, Størker. (2003) Degradation of cellulose during carboxymethylation. 12th International Symposium on Wood and Pulping Chemistry. , Madison, WI, USA 2003-06-12 -
2002
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Vitenskapelig foredragChristensen, Bjørn Erik; Stokke, Bjørn Torger; Smidsrød, Olav; Hjerde, Torgeir; Myhr, Mildrid H.; Kitamura, Shinichi. (2002) The degradation of xanthan by acid or peroxide: Effects on side chain composition and conformational properties. Seminar Japan 2002 , Trondheim 2002-10-04 -
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Vitenskapelig foredragBallance, Simon; Børsheim, Knut Yngve; Painter, Terence John; Christensen, Bjørn Erik. (2002) Sphagnan: A novel polysaccharide that protects other biomaterials from degradation. 7th European Training Course on Carbohydrates , Wageningen, The Netherlands 2002-06-27 -
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Vitenskapelig foredragBallance, Simon; Børsheim, Knut Yngve; Painter, Terence John; Christensen, Bjørn Erik. (2002) Sphagnan: A novel polysaccharide with reactive carbonyl groups that bind ammonium and can also protect other biomaterials from degradation. Third International symposium on the biology of Sphagnum , Uppsala, Sweden-Trondheim, Norway 2002-08-23 -
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Vitenskapelig foredragBallance, Simon; Børsheim, Knut Yngve; Painter, Terence John; Christensen, Bjørn Erik. (2002) Sphangnan and Sphagnum holocellulose: Novel polysaccharides with reactive carbonyl groups that protect other biomaterials from biodegradation. Norsk Biokjemisk kontaktmøte , Røros 2002-01-19 -
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Vitenskapelig foredragChristensen, Bjørn Erik. (2002) The shape, extension and flexibility of polysaccharides in aqueous solutions. Ph.D. course 'Polysaccharides-Chemistry and Materials' , Chalmer, Göteborg 2002-08-28 -
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PosterBallance, Simon; Børsheim, Knut Yngve; Painter, Terence John; Christensen, Bjørn Erik. (2002) Sphagnan: A pectin-like, chemically reactive polysaccharide found in Sphagnum mosses. Plant Polysaccharide Workshop , Palm Cove, Queensland, Australia 2002-07-06 -
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PosterBallance, Simon; Børsheim, Knut Yngve; Painter, Terence John; Christensen, Bjørn Erik. (2002) Sphagnan: a novel polysaccharide with reactive carbonyl groups that protects other biomaterials from biodegradation. 21st International Carbohydrate Symposium , Cairns, Australia 2002-07-12 -
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PosterBørsheim, Knut Yngve; Ballance, Simon; Painter, Terence John; Christensen, Bjørn Erik. (2002) Bacteria adhere strongly to the hollocellulose component of Sphagnum mosses and this interaction may form an important part of the preservative nature of peat bogs. Third International symposium on the biology of Sphagnum , Uppsala, Sweden-Trondheim, Norway 2002-08-23 -
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PosterFredheim, Guro Elise; Christensen, Bjørn Erik. (2002) Polyelectrolyte complexes: interactions between lignosulfonate and chitosan. 5th International Conference of the European Chitin Society , Trondheim 2002-06-28 -
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PosterBallance, Simon; Børsheim, Knut Yngve; Painter, Terence John; Christensen, Bjørn Erik. (2002) Sphagnan: A novel polysaccharide that protects other biomaterials from degradation. 7th European Training Course on Carbohydrates , Wageningen, The Netherlands 2002-06-27 -
2001
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PosterBørsheim, Knut Yngve; Christensen, Bjørn Erik; Painter, Terence John. (2001) Bacteria adhere strongly to the holocellulose component characteristic of Sphagnum mosses, and this interaction may form an important part of the remarkable presevative nature of peat bogs. International Symposium on Microbial Ecology , Amsterdam, The Netherlands 2001-08-31 -
1999
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Vitenskapelig foredragSchult, Tove; Hjerde, Torgeir; Christensen, Bjørn Erik; Moe, Størker. (1999) The Application of Macroporous, Monodisperse poly(styrene-co-divinylbenzene) Particles for Determining the Molecular Weight of Cellulose in DMAc/ LiCl by SEC-MALLS. 3. Norske polymer- og kolloidvitenskapelige vårmøte , Wadahl, Norway, 1999
1998
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Vitenskapelig foredragSchult, Tove; Christensen, Bjørn Erik; Moe, Størker. (1998) Size exclusion chromatography of cellulose : a novel application of macroporous monodisperse particles. International Carbohydrate Symposium , San Diego, USA
1997
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Vitenskapelig foredragChristensen, Bjørn Erik. (1997) Polysaccharides. Tema Nord 1997, Nordic Council of Ministers , København
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Populærvitenskapelig foredragChristensen, Bjørn Erik. (1997) Conformational properties of k- and i-carrageenan studied by SEC-LALLA. 9th European Carbohydrate Symposium , Utrecht, 05-11.07.97