Bjørn E. Christensen
+4773593327
Kjemi 4, 4-126, Gløshaugen, Sem Sælands vei 6
About
Areas of speciality/Fields of responsibilityBiopolymersLinks:
Publications
2024
-
Courtecuisse, Elise;
Bourasseau, Sylvain;
Christensen, Bjørn Erik;
Schatz, Christophe.
(2024)
Synthesis of linear chitosan-block-dextran copolysaccharides with dihydrazide and dioxyamine linkers.
Carbohydrate Polymers
Academic article
-
Fauquignon, Martin;
Solberg, Amalie;
Porcar, Lionel;
Chapel, Jean-Paul;
Christensen, Bjørn Erik;
Schatz, Christophe.
(2024)
Micellar Nanogels from Alginate-Based Diblock Copolysaccharides.
Biomacromolecules
Academic article
2023
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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
Academic literature review
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Solberg, Amalie;
Draget, Kurt Ingar;
Schatz, Christophe;
Christensen, Bjørn Erik.
(2023)
Alginate Blocks and Block Polysaccharides: A Review.
Macromolecular Symposia
Academic literature review
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Donati, Ivan;
Christensen, Bjørn Erik.
(2023)
Alginate-metal cation interactions: Macromolecular approach.
Carbohydrate Polymers
Academic literature review
2022
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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
Academic article
-
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
Academic article
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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
Academic article
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
Academic literature review
-
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
Academic article
-
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
Academic article
-
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
Academic article
2020
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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
Academic article
-
Dalheim, Marianne Øksnes;
Christensen, Bjørn E.;
Comesse, Sébastien;
Renou, Frédéric.
(2020)
Modification of xanthan in the ordered and disordered states.
Elsevier
Academic chapter/article/Conference paper
-
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
Academic article
-
Christensen, Bjørn E..
(2020)
Recent trends in carbohydrate chemistry. Synthesis, structure and functions of carbohydrates Vol. 1-2.
Elsevier
Elsevier
Academic anthology/Conference proceedings
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
2018
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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
Academic article
-
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
Academic article
2017
-
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
Academic article
-
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
Academic article
-
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
Academic article
2016
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Dalheim, Marianne Øksnes;
Vanacker, Julie;
Najmi, Maryam A.;
Aachmann, Finn Lillelund;
Strand, Berit Løkensgard;
Christensen, Bjørn E..
(2016)
Efficient functionalization of alginate biomaterials.
Biomaterials
Academic article
-
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
Academic article
2015
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Yoshiba, Kazuto;
Sato, Takahiro;
Osumi, Takaaki;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E..
(2015)
Conformation of carboxylated schizophyllan in aqueous solution.
Carbohydrate Polymers
Academic article
-
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
Academic article
2014
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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
Academic article
-
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
Academic article
-
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
Academic article
-
Courtade, Gaston;
Christensen, Bjørn E.;
Ulset, Ann-Sissel Teialeret.
(2014)
Video demonstration of Biopolymers lab exercises.
Digital learning tools
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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
Academic article
-
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
Academic article
2013
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Kristiansen, Kåre Andre;
Dalheim, Marianne Øksnes;
Christensen, Bjørn E..
(2013)
Periodate oxidation and macromolecular compaction of hyaluronan.
Pure and Applied Chemistry
Academic article
-
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
Academic article
-
Kelesoglu, Murside Kes;
Christensen, Bjørn E..
(2013)
Degradation of cellulosic insulation in power transformers: a SEC-MALLS study of artificially aged transformer papers.
Cellulose
Academic article
-
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
Academic article
-
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
Academic article
-
Kes, Murside;
Christensen, Bjørn Erik;
Moe, Størker T..
(2013)
Ageing of Cellulosic Insulations in Transformer Oil.
Doktoravhandlinger ved NTNU (80)
Doctoral dissertation
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
Academic article
-
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
Academic article
-
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
Academic article
-
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)
Academic chapter/article/Conference paper
-
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
Academic article
2011
-
Tømmeraas, Kristoffer;
Strand, Sabina P.;
Christensen, Bjørn Erik;
Smidsrød, Olav;
Vårum, Kjell Morten.
(2011)
Preparation and characterization of branched chitosans.
Carbohydrate Polymers
Academic article
-
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
Academic article
-
Kristiansen, Kåre Andre;
Tomren, Henrik Berg;
Christensen, Bjørn Erik.
(2011)
Periodate oxidized alginates: Depolymerization kinetics.
Carbohydrate Polymers
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
2010
-
Kristiansen, Kåre Andre;
Potthast, Antje;
Christensen, Bjørn Erik.
(2010)
Periodate oxidation of polysaccharides for modification of chemical and physical properties.
Carbohydrate Research
Academic article
-
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
Academic article
-
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
Academic article
2009
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
2008
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
2007
-
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
Editorial
-
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
Academic article
-
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
Academic article
-
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
Academic article
2006
-
Stalheim, Torunn;
Ballance, Simon;
Børsheim, Knut Yngve;
Christensen, Bjørn Erik;
Granum, Per Einar.
(2006)
MICROBIOCIDAL ACTIVITY OF BIOPOLYMERS ISOLATED FROM SPHAGNUM PAPILLOSUM.
Academic chapter/article/Conference paper
-
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
Academic article
-
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
Academic article
-
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
Academic article
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
Academic article
-
Vold, Inger Mari Nygård;
Christensen, Bjørn Erik.
(2005)
Periodate oxidation of chitosans with different chemical compositions.
Carbohydrate Research
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
2004
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic anthology/Conference proceedings
2003
-
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
Academic article
-
Fredheim, Guro Elise;
Christensen, Bjørn Erik.
(2003)
Polyelectrolyte complexes: Interactions between lignosulfonate and chitosan.
Biomacromolecules
Academic article
-
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
Academic article
-
Fredheim, Guro Elise;
Christensen, Bjørn Erik.
(2003)
Polyelectrolyte complexes: Interactions between lignosulfonate and chitosan.
Biomacromolecules
Academic article
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
Academic article
-
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
Academic article
-
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
Academic article
2001
-
Christensen, Bjørn Erik;
Stokke, Bjørn Torger;
Aasprong, Einar.
(2001)
Gelation of periodate oxidised scleroglucan (scleraldehyde).
Carbohydrate Polymers
Academic article
-
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)
Academic article
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
Academic article
-
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
Academic article
1999
-
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
Academic article
-
Christensen, Bjørn Erik.
(1999)
Physical and chemical properties of extracellular polysaccharides associated with biofilms and related systems.
Springer
Academic chapter/article/Conference paper
1998
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
Stokke, Bjørn Torger;
Christensen, Bjørn Erik;
Smidsrød, Olav.
(1998)
Macromolecular properties of xanthan.
Academic chapter/article/Conference paper
-
Stokke, Bjørn Torger;
Christensen, Bjørn Erik;
Smidsrød, Olav.
(1998)
Macromolecular properties of xanthan.
Marcel Dekker
Academic chapter/article/Conference paper
Journal publications
-
Courtecuisse, Elise;
Bourasseau, Sylvain;
Christensen, Bjørn Erik;
Schatz, Christophe.
(2024)
Synthesis of linear chitosan-block-dextran copolysaccharides with dihydrazide and dioxyamine linkers.
Carbohydrate Polymers
Academic article
-
Fauquignon, Martin;
Solberg, Amalie;
Porcar, Lionel;
Chapel, Jean-Paul;
Christensen, Bjørn Erik;
Schatz, Christophe.
(2024)
Micellar Nanogels from Alginate-Based Diblock Copolysaccharides.
Biomacromolecules
Academic article
-
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
Academic literature review
-
Solberg, Amalie;
Draget, Kurt Ingar;
Schatz, Christophe;
Christensen, Bjørn Erik.
(2023)
Alginate Blocks and Block Polysaccharides: A Review.
Macromolecular Symposia
Academic literature review
-
Donati, Ivan;
Christensen, Bjørn Erik.
(2023)
Alginate-metal cation interactions: Macromolecular approach.
Carbohydrate Polymers
Academic literature review
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic literature review
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
Dalheim, Marianne Øksnes;
Vanacker, Julie;
Najmi, Maryam A.;
Aachmann, Finn Lillelund;
Strand, Berit Løkensgard;
Christensen, Bjørn E..
(2016)
Efficient functionalization of alginate biomaterials.
Biomaterials
Academic article
-
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
Academic article
-
Yoshiba, Kazuto;
Sato, Takahiro;
Osumi, Takaaki;
Ulset, Ann-Sissel Teialeret;
Christensen, Bjørn E..
(2015)
Conformation of carboxylated schizophyllan in aqueous solution.
Carbohydrate Polymers
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
Kristiansen, Kåre Andre;
Dalheim, Marianne Øksnes;
Christensen, Bjørn E..
(2013)
Periodate oxidation and macromolecular compaction of hyaluronan.
Pure and Applied Chemistry
Academic article
-
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
Academic article
-
Kelesoglu, Murside Kes;
Christensen, Bjørn E..
(2013)
Degradation of cellulosic insulation in power transformers: a SEC-MALLS study of artificially aged transformer papers.
Cellulose
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
Tømmeraas, Kristoffer;
Strand, Sabina P.;
Christensen, Bjørn Erik;
Smidsrød, Olav;
Vårum, Kjell Morten.
(2011)
Preparation and characterization of branched chitosans.
Carbohydrate Polymers
Academic article
-
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
Academic article
-
Kristiansen, Kåre Andre;
Tomren, Henrik Berg;
Christensen, Bjørn Erik.
(2011)
Periodate oxidized alginates: Depolymerization kinetics.
Carbohydrate Polymers
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
Kristiansen, Kåre Andre;
Potthast, Antje;
Christensen, Bjørn Erik.
(2010)
Periodate oxidation of polysaccharides for modification of chemical and physical properties.
Carbohydrate Research
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Editorial
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
Vold, Inger Mari Nygård;
Christensen, Bjørn Erik.
(2005)
Periodate oxidation of chitosans with different chemical compositions.
Carbohydrate Research
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
Fredheim, Guro Elise;
Christensen, Bjørn Erik.
(2003)
Polyelectrolyte complexes: Interactions between lignosulfonate and chitosan.
Biomacromolecules
Academic article
-
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
Academic article
-
Fredheim, Guro Elise;
Christensen, Bjørn Erik.
(2003)
Polyelectrolyte complexes: Interactions between lignosulfonate and chitosan.
Biomacromolecules
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
Christensen, Bjørn Erik;
Stokke, Bjørn Torger;
Aasprong, Einar.
(2001)
Gelation of periodate oxidised scleroglucan (scleraldehyde).
Carbohydrate Polymers
Academic article
-
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)
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
-
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
Academic article
Books
-
Christensen, Bjørn E..
(2020)
Recent trends in carbohydrate chemistry. Synthesis, structure and functions of carbohydrates Vol. 1-2.
Elsevier
Elsevier
Academic anthology/Conference proceedings
-
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
Academic anthology/Conference proceedings
Part of book/report
-
Dalheim, Marianne Øksnes;
Christensen, Bjørn E.;
Comesse, Sébastien;
Renou, Frédéric.
(2020)
Modification of xanthan in the ordered and disordered states.
Elsevier
Academic chapter/article/Conference paper
-
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)
Academic chapter/article/Conference paper
-
Stalheim, Torunn;
Ballance, Simon;
Børsheim, Knut Yngve;
Christensen, Bjørn Erik;
Granum, Per Einar.
(2006)
MICROBIOCIDAL ACTIVITY OF BIOPOLYMERS ISOLATED FROM SPHAGNUM PAPILLOSUM.
Academic chapter/article/Conference paper
-
Christensen, Bjørn Erik.
(1999)
Physical and chemical properties of extracellular polysaccharides associated with biofilms and related systems.
Springer
Academic chapter/article/Conference paper
-
Stokke, Bjørn Torger;
Christensen, Bjørn Erik;
Smidsrød, Olav.
(1998)
Macromolecular properties of xanthan.
Academic chapter/article/Conference paper
-
Stokke, Bjørn Torger;
Christensen, Bjørn Erik;
Smidsrød, Olav.
(1998)
Macromolecular properties of xanthan.
Marcel Dekker
Academic chapter/article/Conference paper
Report
-
Kes, Murside;
Christensen, Bjørn Erik;
Moe, Størker T..
(2013)
Ageing of Cellulosic Insulations in Transformer Oil.
Doktoravhandlinger ved NTNU (80)
Doctoral dissertation
PRODUKT
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Courtade, Gaston;
Christensen, Bjørn E.;
Ulset, Ann-Sissel Teialeret.
(2014)
Video demonstration of Biopolymers lab exercises.
Digital learning tools
Teaching
Courses
Outreach
2024
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Academic lectureChristensen, Bjørn E.. (2024) Alginate-Based Diblock Polysaccharides and Nanoparticle Formation . KIFEE Japan 11TH KYOTO INTERNATIONAL FORUM FOR ENVIRONMENT AND ENERGY , Tendo, Yamagata 2024-03-03 - 2024-03-05
2022
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Academic lectureSolberg, 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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Academic lectureChristensen, Bjørn E.. (2021) Block polysaccharides by terminal conjugation. Osaka University Polysolvat-13 , Osaka 2021-11-09 - 2021-11-12
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Academic lectureChristensen, Bjørn E.. (2021) BLOCK POLYSACCHARIDES BY TERMINAL BLOCK CONJUGATION. EPNOE EPNOE 2021 , Nantes 2021-10-11 - 2021-10-15
2019
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LectureChristensen, 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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Academic lectureChristensen, 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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LectureChristensen, 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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LectureChristensen, 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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Academic lectureChristensen, 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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Academic lectureChristensen, 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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Academic lectureChristensen, Bjørn E.. (2018) Xanthan and Next generation polysaccharides. Osaka University (Prof. Takahiro Sato) Seminar Osaka University , Osaka University 2018-03-13 - 2018-03-13
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Academic lectureChristensen, 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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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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Academic lectureChristensen, 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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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
2017
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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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Academic lectureChristensen, 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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Academic lectureChristensen, 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
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Academic lectureChristensen, Bjørn E.. (2017) Nex generation polysaccharides. IBT, NTNU Instituttseminar IBT , IBT, NTNU 2017-06-21 - 2017-06-21
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Academic lectureChristensen, 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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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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Academic lectureChristensen, Bjørn E.. (2017) Polysaccharide Engineering: Lateral and terminal substitutions (OL 135). ECO 19th Eurocarb 2017 , Barcelona 2017-07-02 - 2017-07-06
2016
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LectureChristensen, Bjørn E.. (2016) Structure-function relationships in polysaccharides . IECB Institute seminar , Bordeaux 2016-09-23 - 2016-09-23
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Academic lectureDalheim, 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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LectureChristensen, 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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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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Academic lectureChristensen, 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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Academic lectureChristensen, 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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Academic lectureChristensen, 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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Academic lectureStrand, 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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Academic lectureChristensen, 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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Academic lectureStrand, 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
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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
2014
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LectureChristensen, 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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InterviewChristensen, Bjørn Erik; Aursand, Eli Grong. (2013) Økt levetidfor mat: -Gir bedre utnyttelse av råvarer. Adresseavisen Adresseavisen [Newspaper] 2013-01-16
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InterviewChristensen, Bjørn Erik. (2013) Tangspray skal gjøre mat mer holdbar. Bergens Tidende Bergens Tidende [Newspaper] 2013-01-16
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InterviewChristensen, Bjørn Erik. (2013) Brunalger skal forlenge holdbarheten. http://www.kyst.no http://www.kyst.no [Internet] 2013-01-17
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InterviewChristensen, Bjørn Erik. (2013) Tang forlenger holdbarhet på mat. Nordlys Nordlys [Newspaper] 2013-01-19
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InterviewChristensen, Bjørn Erik. (2013) Ny metode bevarer maten lengre. NRK Trøndelag NRK Trøndelag [Radio] 2013-01-16
2011
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Academic lectureKristiansen, 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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Academic lectureStrand, 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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Academic lectureStrand, 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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Academic lectureChristensen, 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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Academic lectureChristensen, 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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Academic lectureChristensen, Bjørn Erik. (2007) Polysaccharides with reactive carbonyl groups. KIFEE seminar , Biwako 2007-12-04 - 2007-12-07
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Academic lectureChristensen, 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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Academic lectureChristensen, 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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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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Academic lectureStalheim, 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
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Academic lectureChristensen, 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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Academic lectureIotti, 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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Academic lectureBallance, 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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Academic lectureBallance, 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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Academic lectureSletmoen, 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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Academic lectureStalheim, 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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Academic lectureChristensen, 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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Academic lectureChristensen, 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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Academic lectureChristensen, 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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Academic lectureVold, 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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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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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
2005
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Academic lectureSletmoen, 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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Academic lectureChristensen, 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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Academic lectureChristensen, Bjørn Erik. (2005) Antimicrobial polysaccharides from Sphagnum mosses. NT faculty, NTNU Innovation seminar , Trondheim 2005-09-26 - 2005-09-26
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Academic lectureChristensen, 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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Academic lectureChristensen, 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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Academic lectureChristensen, Bjørn Erik. (2005) Presentation of NOBIPOL research. BASF Plant Science 2005-04-13 - 2005-04-13
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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
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Academic lectureSletmoen, 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
2004
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Academic lectureStrand, 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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Academic lectureBallance, 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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Academic lectureChristensen, 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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Academic lectureChristensen, 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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Academic lectureVold, 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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PosterVold, Inger Mari Nygård; Christensen, Bjørn Erik. (2004) Periodate oxidation of chitosans. 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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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
2003
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Academic lectureDanielsen, 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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Academic lectureBallance, 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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Academic lectureNygård, 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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Academic lectureBallance, 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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Academic lectureBallance, 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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Academic lectureNygård, 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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Academic lectureBallance, 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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Academic lectureBallance, 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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Academic lectureChristensen, Bjørn Erik. (2003) Forskning på sphagnan og Sphagnan-moser. Norske torv-og jordprodusenters bransjeforbund , Vikhamar 2003-09-04 -
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Academic lectureSchult, 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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Academic lectureBallance, 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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Academic lectureBallance, 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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Academic lectureBallance, 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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Academic lectureChristensen, 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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Academic lectureChristensen, 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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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 with reactive carbonyl groups that protects other biomaterials from biodegradation. 21st International Carbohydrate Symposium , Cairns, Australia 2002-07-12 -
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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 that protects other biomaterials from degradation. 7th European Training Course on Carbohydrates , Wageningen, The Netherlands 2002-06-27 -
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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 -
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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Academic lectureSchult, 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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Academic lectureSchult, 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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Academic lectureChristensen, Bjørn Erik. (1997) Polysaccharides. Tema Nord 1997, Nordic Council of Ministers , København
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Popular scientific lectureChristensen, Bjørn Erik. (1997) Conformational properties of k- and i-carrageenan studied by SEC-LALLA. 9th European Carbohydrate Symposium , Utrecht, 05-11.07.97