2022

• Tøndervik, Anne; Aune, Randi; Degelmann, Adelheid; Piontek, Michael; Ertesvåg, Helga; Skjåk-Bræk, Gudmund; Sletta, Håvard. (2022) Strain Construction and Process Development for Efficient Recombinant Production of Mannuronan C-5 Epimerases in Hansenula polymorpha. Frontiers in Plant Science. volum 13.
  Academic article

2020

• Stanisci, Annalucia; Tøndervik, Anne; Gaardløs, Margrethe; Lervik, Anders; Skjåk-Bræk, Gudmund; Sletta, Håvard; Aachmann, Finn Lillelund. (2020) Identification of a Pivotal Residue for Determining the Block Structure-Forming Properties of Alginate C-5 Epimerases. ACS Omega. volum 5 (8).
  Academic article
• Tøndervik, Anne; Aarstad, Olav Andreas; Aune, Randi; Maleki, Susan; Rye, Philip D; Dessen, Arne; Skjåk-Bræk, Gudmund; Sletta, Håvard. (2020) Exploiting mannuronan C-5 epimerases in commercial alginate production. Marine Drugs. volum 18 (11).
  Academic article

2019

• Aarstad, Olav Andreas; Stanisci, Annalucia; Sætrom, Gerd Inger; Tøndervik, Anne; Sletta, Håvard; Aachmann, Finn Lillelund; Skjåk-Bræk, Gudmund. (2019) Biosynthesis and Function of Long Guluronic Acid-Blocks in Alginate Produced by Azotobacter vinelandii. Biomacromolecules. volum 20 (4).
  Academic article

2018

• Kopplin, Georg; Rokstad, Anne Mari; Mélida, Hugo; Bulone, Vincent; Skjåk-Bræk, Gudmund; Aachmann, Finn Lillelund. (2018) Structural characterization of fucoidan from Laminaria hyperborea: Assessment of coagulation and inflammatory properties and their structure−function relationship. ACS Applied Bio Materials (AABM). volum 1 (6).
  Academic article
• Mathieu, Sophie; Touvrey-Loiodice, Melanie; Poulet, Laurent; Drouillard, Sophie; Vincentelli, Renaud; Henrissat, Bernard; Skjåk-Bræk, Gudmund; Helbert, William. (2018) Ancient acquisition of "alginate utilization loci" by human gut microbiota. Scientific Reports. volum 8 (8075).
  Academic article
• Stanisci, Annalucia; Aarstad, Olav Andreas; Tøndervik, Anne; Sletta, Håvard; Dypås, Lene Brattsti; Skjåk-Bræk, Gudmund; Aachmann, Finn Lillelund. (2018) Overall size of mannuronan C5-Epimerases influences their ability to epimerize modified alginates and alginate gels. Carbohydrate Polymers. volum 180.
  Academic article

2017

• Arlov, Øystein; Öztürk, Ece; Steinwachs, Mattihas Reinhard; Skjåk-Bræk, Gudmund; Zenobi-Wong, Marcy. (2017) Biomimetic sulphated alginate hydrogels suppress IL-1B-induced inflammatory responses in human chondrocytes. European Cells and Materials. volum 33.
  Academic article
• Arlov, Øystein; Skjåk-Bræk, Gudmund. (2017) Sulfated alginates as heparin analogues: A review of chemical and functional properties. Molecules. volum 22:778.
  Scientific translation/review
• Dunlop, Alex; Bowman, Kate; Aarstad, Olav Andreas; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger; Round, Andrew N. (2017) Polymer sequencing by molecular machines: a framework for predicting the resolving power of a sliding contact force spectroscopy sequencing method. Nanoscale. volum 9 (39).
  Academic article
• Ermund, Anna; Recktenwald, Christian V.; Skjåk-Bræk, Gudmund; Meiss, Lauren N.; Onsøyen, Edvar Jarle; Rye, Philip D.; Dessen, Arne; Myrset, Astrid Hilde; Hansson, Gunnar C.. (2017) OligoG CF-5/20 normalizes cystic fibrosis mucus by chelating calcium. Clinical and Experimental Pharmacology and Physiology. volum 44 (6).
  Academic article
• Strand, Berit Løkensgard; Coron, Abba Elizabeth; Skjåk-Bræk, Gudmund. (2017) Current and Future Perspectives on Alginate Encapsulated Pancreatic Islet. Stem Cells Translational Medicine. volum 6 (4).
  Academic article

2016

• Arlov, Øystein; Skjåk-Bræk, Gudmund; Rokstad, Anne Mari. (2016) Sulfated alginate microspheres associate with factor H and dampen the inflammatory cytokine response. Acta Biomaterialia. volum 42.
  Academic article
• Bowman, Kate A.; Aarstad, Olav Andreas; Nakamura, Marcela; Stokke, Bjørn Torger; Skjåk-Bræk, Gudmund; Round, Andrew N.. (2016) Single molecule investigation of the onset and minimum size of the calcium-mediated junction zone in alginate. Carbohydrate Polymers. volum 148.
  Academic article
• Bowman, Kate; Aarstad, Olav Andreas; Stokke, Bjørn Torger; Skjåk-Bræk, Ola Gudmund; Round, Andrew N. (2016) Sliding Contact Dynamic Force Spectroscopy Method for Interrogating Slow Forming Polymer Cross-Links. Langmuir. volum 32 (48).
  Academic article
• Mathieu, Sophie; Henrissat, Bernard; Labre, Flavien; Skjåk-Bræk, Gudmund; Helbert, William. (2016) Functional Exploration of the Polysaccharide Lyase Family PL6. PLOS ONE.
  Academic article
• Öztürk, Ece; Arlov, Øystein; Seda, Aksel; Li, Ling; Ornitz, David M.; Skjåk-Bræk, Gudmund; Zenobi-Wong, Marcy. (2016) Sulfated Hydrogel Matrices Direct Mitogenicity and Maintenance of Chondrocyte Phenotype through Activation of FGF Signaling. Advanced Functional Materials. volum 26.
  Academic article
• Ørning, Mathias Pontus; Hoem, Kine Samset; Coron, Abba Elizabeth; Skjåk-Bræk, Gudmund; Mollnes, Tom Eirik; Brekke, Ole Lars; Espevik, Terje; Rokstad, Anne Mari. (2016) Alginate microsphere compositions dictate different mechanisms of complement activation with consequences for cytokine release and leukocyte activation. Journal of Controlled Release. volum 229.
  Academic article

2015

• Arlov, Øystein; Aachmann, Finn Lillelund; Feyzi, Emadoldin; Sundan, Anders; Skjåk-Bræk, Gudmund. (2015) The impact of chain length and flexibility in the interaction between sulfated alginates and HGF and FGF-2. Biomacromolecules. volum 16 (11).
  Academic article
• Håti, Armend Gazmeno; Aachmann, Finn Lillelund; Stokke, Bjørn Torger; Skjåk-Bræk, Gudmund; Sletmoen, Marit. (2015) Energy landscape of alginate-epimerase interactions assessed by optical tweezers and atomic force microscopy. PLOS ONE. volum 10:e014237 (10).
  Academic article
• Sandvig, Ioanna; Karstensen, Kristin; Rokstad, Anne Mari; Aachmann, Finn Lillelund; Formo, Kjetil Ødegård; Sandvig, Axel; Skjåk-Bræk, Gudmund; Strand, Berit Løkensgard. (2015) RGD-peptide modified alginate by a chemoenzymatic strategy for tissue engineering applications. Journal of Biomedical Materials Research. Part A. volum 103 (3).
  Academic article
• Skjåk-Bræk, Gudmund; Donati, Ivan; Paoletti, Sergio. (2015) Alginate Hydrogels: Properties and Applications. Polysaccharide Hydrogels - Characterization and Biomedical Applications.
  Academic chapter/article

2014

• Arlov, Øystein; Aachmann, Finn Lillelund; Sundan, Anders; Espevik, Terje; Skjåk-Bræk, Gudmund. (2014) Heparin-Like Properties of Sulfated Alginates with Defined Sequences and Sulfation Degrees. Biomacromolecules. volum 15 (7).
  Academic article
• Buchinger, Edith; Knudsen, Daniel H.; Behrens, Manja A.; Pedersen, Jan Skov; Aarstad, Olav Andreas; Tøndervik, Anne; Valla, Svein; Skjåk-Bræk, Gudmund; Wimmer, Reinhard; Aachmann, Finn Lillelund. (2014) Structural and functional characterization of the R-modules in alginate C-5 epimerases AlgE4 and AlgE6 from Azotobacter vinelandii. Journal of Biological Chemistry. volum 289 (45).
  Academic article
• Formo, Kjetil Ødegård; Aarstad, Olav Andreas; Skjåk-Bræk, Gudmund; Strand, Berit Løkensgard. (2014) Lyase-catalyzed degradation of alginate in the gelled state: Effect ofgelling ions and lyase specificity. Carbohydrate Polymers. volum 110.
  Academic article

2013

• Aarstad, Olav Andreas; Strand, Berit Løkensgard; Klepp-Andersen, Lise Mari; Skjåk-Bræk, Gudmund. (2013) Analysis of G-Block Distributions and Their Impact on Gel Properties of in Vitro Epimerized Mannuronan. Biomacromolecules. volum 14 (10).
  Academic article
• Berven, Lise; Solberg, Rigmor; Truong, Hoa Hong Thi; Arlov, Øystein; Aachmann, Finn Lillelund; Skjåk-Bræk, Gudmund; Jacobsen, Wolfgang Mathias; Johansen, Harald Thidemann; Samuelsen, Anne Berit C.. (2013) Alginates induce legumain activity in RAW 264.7 cells and accelerate autoactivation of prolegumain. Bioactive Carbohydrates and Dietary Fibre. volum 2.
  Academic article
• Borgogna, Massimiliano; Skjåk-Bræk, Gudmund; Paoletti, Sergio; Donati, Ivan. (2013) On the Initial Binding of Alginate by Calcium Ions. The Tilted Egg-Box Hypothesis. Journal of Physical Chemistry B. volum 117 (24).
  Academic article
• Khong, Thang Trung; Aarstad, Olav Andreas; Skjåk-Bræk, Gudmund; Draget, Kurt Ingar; Vårum, Kjell Morten. (2013) Gelling Concept Combining Chitosan and Alginate - Proof of Principle. Biomacromolecules. volum 14 (8).
  Academic article
• Rokstad, Anne Mari; Brekke, Ole Lars; Steinkjer, Bjørg; Ryan, Liv; Kolláriková, Gabriela; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund; Lambris, John D.; Lacík, Igor; Mollnes, Tom Eirik; Espevik, Terje. (2013) The induction of cytokines by polycation containing microspheres by a complement dependent mechanism. Biomaterials. volum 34 (3).
  Academic article
• Tøndervik, Anne; Klinkenberg, Geir; Aachmann, Finn Lillelund; Svanem, Britt Iren Glærum; Ertesvåg, Helga; Ellingsen, Trond Erling; Valla, Svein; Skjåk-Bræk, Gudmund; Sletta, Håvard. (2013) Mannuronan C-5 Epimerases Suited for Tailoring of Specific Alginate Structures Obtained by High-Throughput Screening of an Epimerase Mutant Library. Biomacromolecules. volum 14 (8).
  Academic article

2012

• Aachmann, Finn Lillelund; Sørlie, Morten; Skjåk-Bræk, Gudmund; Eijsink, Vincent; Vaaje-Kolstad, Gustav. (2012) NMR structure of a lytic polysaccharide monooxygenase provides insight into copper binding, protein dynamics, and substrate interactions. Proceedings of the National Academy of Sciences of the United States of America. volum 109 (46).
  Academic article
• Aarstad, Olav Andreas; Tøndervik, Anne; Sletta, Håvard; Skjåk-Bræk, Gudmund. (2012) Alginate sequencing: An analysis of block distribution in alginates using specific alginate degrading enzymes. Biomacromolecules. volum 13 (1).
  Academic article
• Mørch, Yrr Asbjørg; Qi, Meirigeng; Gundersen, Per Ole M.; Formo, Kjetil Ødegård; Lacík, Igor; Skjåk-Bræk, Gudmund; Oberholzer, José; Strand, Berit Løkensgard. (2012) Binding and leakage of barium in alginate microbeads. Journal of Biomedical Materials Research. Part A. volum 100A (11).
  Academic article
• Mørch, Yrr Asbjørg; Sandvig, Ioanna; Olsen, Øystein; Donati, Ivan; Thuen, Marte; Skjåk-Bræk, Gudmund; Haraldseth, Olav; Brekken, Christian. (2012) Mn-alginate gels as a novel system for controlled release of Mn2+ in manganese-enhanced MRI. Contrast Media & Molecular Imaging. volum 7 (2).
  Academic article
• Qi, Meirigeng; Mørch, Yrr Asbjørg; Lacík, Igor; Formo, Kjetil Ødegård; Marchese, Enza; Wang, Yong; Danielson, Kirstie K.; Kinzer, Katie; Wang, Shusen; Barbaro, Barbara; Kolláriková, Gabriela; Chorvát, Dusan; Hunkeler, David; Skjåk-Bræk, Gudmund; Oberholzer, José; Strand, Berit Løkensgard. (2012) Survival of human islets in microbeads containing high guluronic acid alginate crosslinked with Ca2+ and Ba2+. Xenotransplantation. volum 19 (6).
  Academic article
• Skjåk-Bræk, Gudmund; Draget, Kurt Ingar. (2012) Alginates: Properties and Applications. Polymer Science: A Comprehensive Reference.
  Academic chapter/article
• Stenvik, Jørgen; Sletta, Håvard; Grimstad, Øystein; Pukstad, Brita; Ryan, Liv; Aune, Randi; Strand, Wenche Iren; Tøndervik, Anne; Torp, Sverre Helge; Skjåk-Bræk, Gudmund; Espevik, Terje. (2012) Alginates induce differentiation and expression of CXCR7 and CXCL12/SDF-1 in human keratinocytes - the role of calcium. Journal of Biomedical Materials Research. Part A. volum 100A (10).
  Academic article

2011

• Andreassen, Trygve; Buchinger, Edith; Skjåk-Bræk, Gudmund; Valla, Svein; Aachmann, Finn Lillelund. (2011) H-1, C-13 and N-15 resonances of the AlgE62 subunit from Azotobacter vinelandii mannuronan C5-epimerase. Biomolecular NMR Assignments. volum 5 (2).
  Academic article
• Buchinger, Edith; Skjåk-Bræk, Gudmund; Valla, Svein; Wimmer, Reinhard; Aachmann, Finn Lillelund. (2011) NMR assignments of 1H, 13C and 15N resonances of the C-terminal subunit from Azotobacter vinelandii mannuronan C5-epimerase 6 (AlgE6R3). Biomolecular NMR Assignments. volum 5 (1).
  Academic article
• Draget, Kurt Ingar; Skjåk-Bræk, Gudmund. (2011) Alginates: Existing and potential biotechnological and medical applications. Renewable resources for functional polymers and biomaterials.
  Academic chapter/article
• Rokstad, Anne Mari; Brekke, Ole Lars; Steinkjer, Bjørg; Ryan, Liv; Kolláriková, Gabriela; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund; Lacík, Igor; Espevik, Terje; Mollnes, Tom Eirik. (2011) Alginate microbeads are complement compatible, in contrast to polycation containing microcapsules, as revealed in a human whole blood model. Acta Biomaterialia. volum 7 (6).
  Academic article

2010

• Buchinger, Edith; Aachmann, Finn Lillelund; Aranko, A. Sesilja; Valla, Svein; Skjåk-Bræk, Gudmund; Iwai, Hideo; Wimmer, Reinhard. (2010) Use of protein trans-splicing to produce active and segmentally H-2, N-15 labeled mannuronan C5-epimerase AlgE4. Protein Science. volum 19 (8).
  Academic article
• Tierney, Sven; Sletmoen, Marit; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger. (2010) Interferometric characterization of swelling of covalently crosslinked alginate gel and changes associated with polymer impregnation. Carbohydrate Polymers. volum 80 (3).
  Academic article
• Tøndervik, Anne; Klinkenberg, Geir; Aarstad, Olav Andreas; Drabløs, Finn; Ertesvåg, Helga; Ellingsen, Trond Erling; Skjåk-Bræk, Gudmund; Valla, Svein; Sletta, Håvard. (2010) Isolation of Mutant Alginate Lyases with Cleavage Specificity for Di-guluronic Acid Linkages. Journal of Biological Chemistry. volum 285 (46).
  Academic article

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. volum 344.
  Academic article
• De Vos, Paul; Bucko, Marek; Gemeiner, Peter; Navrátil, Marián; Svitel, Juraj; Faas, Marijke; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund; Mørch, Yrr Asbjørg; Vikartovská, Alica; Lacík, Igor; Kolláriková, Gabriela; Orive, Gorka; Poncelet, Dennis; Pedraz, Jose Luis; Ansorge-Schumacher, Marion B.. (2009) Multiscale requirements for bioencapsulation in medicine and biotechnology. Biomaterials. volum 30 (13).
  Scientific translation/review
• Donati, Ivan; Mørch, Yrr Asbjørg; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund; Paoletti, Sergio. (2009) Effect of Elongation of Alternating Sequences on Swelling Behavior and Large Deformation Properties of Natural Alginate Gels. Journal of Physical Chemistry B. volum 113 (39).
  Academic article
• Ertesvåg, Helga; Valla, Svein; Skjåk-Bræk, Gudmund. (2009) Enzymatic alginate modification. Alginates: Biology and Applications.
  Academic chapter/article
• Espevik, Terje; Rokstad, Anne Mari; Kulseng, Bård Eirik; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund. (2009) Mechanisms of the host immune response to alginate microcapsules. The Bioartificial Pancreas and Other Biohybrid Therapies.
  Chapter
• 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. volum 77 (4).
  Academic article
• Mørch, Yrr Asbjørg; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund. (2009) Alginate structure function relationships relevant to their use for cell encapsulation. The Bioartificial Pancreas and Other Biohybrid Therapies.
  Academic chapter/article

2008

• Aachmann, Finn Lillelund; Skjåk-Bræk, Gudmund. (2008) 1H, 15N, 13C resonance assignment of the AlgE6R1 subunit from the Azotobacter vinelandii mannuronan C5-epimerase. Biomolecular NMR Assignments.
  Academic article
• Mørch, Yrr Asbjørg; Holtan, Synnøve; Donati, Ivan; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund. (2008) Mechanical properties of C-5 epimerized alginates. Biomacromolecules. volum 9 (9).
  Academic article
• Qi, Meirigeng; Strand, Berit Løkensgard; Mørch, Yrr Asbjørg; Lacík, Igor; Wang, Yong; Salehi, Payam; Barbaro, Barbara; Gangemi, Antonio; Kuechle, Joseph; Romagnoli, Travis; Hansen, Michael A.; Rodriguez, Lisette A.; Benedetti, Enrico; Hunkeler, David; Skjåk-Bræk, Gudmund; Oberholzer, José. (2008) Encapsulation of Human Islets in Novel Inhomogeneous Alginate-Ca2+/Ba2+ Microbeads: In Vitro and In Vivo Function. Artificial Cells, Blood Substitutes, and Biotechnology. volum 36 (5).
  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. volum 8.
  Editorial
• Dentini, Mariella; Rinaldi, Gianluca; Barbetta, Andrea; Risica, Daniela; Anselmi, Claudio; Skjåk-Bræk, Gudmund. (2007) Ionic gel formation of a (pseudo)alginate characterised by an alternating MG sequence produced by epimerising mannuronan with AlgE4. Carbohydrate Polymers. volum 67.
  Academic article
• Donati, Ivan; Haug, Ingvild; Scarpa, Tommaso; Borgogna, Massimiliano; Draget, Kurt Ingar; Skjåk-Bræk, Gudmund; Paoletti, Sergio. (2007) Synergistic effects in semidilute mixed solutions of alginate and lactose-modified chitosan (chitlac). Biomacromolecules. volum 8.
  Academic article
• Mørch, Yrr Asbjørg; Donati, Ivan; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund. (2007) Molecular engineering as an approach to design new functional properties of alginate. Biomacromolecules. volum 8.
  Academic article
• Qi, M.; Strand, Berit Løkensgard; Lacik, I.; Wang, Y.; Barbaro, B.; Gangemi, A.; Salehi, P.; Kuechle, J.; Benedetti, E.; Hunkeler, D.; Skjåk-Bræk, Gudmund; Oberholzer, J.. (2007) Prolonged immunosuppression-free survival of TAM encapsulated human islet grafts in diabetic, immunocompetent mice. American Journal of Transplantation. volum 7.
  Summary/Abstract
• Sikorski, Pawel; Mo, Frode; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger. (2007) Evidence for egg-box-compatible interactions in calcium-alginate gels from fiber X-ray diffraction. Biomacromolecules. volum 8.
  Academic article
• Sletmoen, Marit; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger. (2007) Macromolecular motion at the nanoscale of enzymes working on polysaccharides. Lecture Notes in Physics. volum 711.
  Academic article

2006

• Draget, Kurt Ingar; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger. (2006) Similarities and differences between alginic acid gels and ionically crosslinked alginate gels. Food Hydrocolloids. volum 20.
  Academic article
• Dentini, Mariella; Caucci, Daniele; Barbetta, Andrea; Crescenzi, Vittorio; Skjåk-Bræk, Gudmund; Capitani, Donatella; Mannina, Luisa; Viel, Stephane. (2006) C(6)-oxidation and C(5)-epimerization of locust bean galactomannan studied by high field NMR and circular dichroism. Biomacromolecules. volum 7.
  Academic article
• Dentini, Mariella; Rinaldi, Gianluca; Barbetta, Andrea; Risica, Daniela; Skjåk-Bræk, Gudmund. (2006) Acid gel formation in (pseudo) alginates with and without G blocks produced by epimerising mannuronan with C5 epimerases. Carbohydrate Polymers. volum 63.
  Academic article
• Draget, Kurt Ingar; Moe, Størker; Skjåk-Bræk, Gudmund; Smidsrød, Olav. (2006) Alginates. Food Polysaccharides and Their Applications.
  Academic chapter/article
• Espevik, Terje; Skjåk-Bræk, Gudmund. (2006) Friskere fisk med tang og tare. Gemini.
  Popular scientific article
• Hartmann, Martin; Dentini, Mariella; Draget, Kurt Ingar; Skjåk-Bræk, Gudmund. (2006) Enzymatic modification of alginates with the mannuronan C-5 epimerase AlgE4 enhances their solubility at low pH. Carbohydrate Polymers. volum 63.
  Academic article
• Holtan, Synnøve; Bruheim, Per; Skjåk-Bræk, Gudmund. (2006) Mode of action and subsite studies of the guluronan block forming mannuronan C-5 epimerases AlgE1 and AlgE6. Biochemical Journal. volum 395.
  Academic article
• Holtan, Synnøve; Zhang, Qiujin; Strand, Wenche Iren; Skjåk-Bræk, Gudmund. (2006) Characterization of the hydrolysis mechanism of polyalternating alginate in weak acid and assignment of the resulting MG-oligosaccharides by NMR spectroscopy and ESI-mass spectrometry. Biomacromolecules. volum 7.
  Academic article
• Mørch, Yrr Asbjørg; Donati, Ivan; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund. (2006) Effect of Ca2+, Ba2+, and Sr2+ on alginate microbeads. Biomacromolecules. volum 7.
  Academic article
• Rokstad, Anne Mari Aukan; Donati, Ivan; Borgogna, Massimiliano; Oberholzer, José; Strand, Berit Løkensgard; Espevik, Terje; Skjåk-Bræk, Gudmund. (2006) Cell-compatible covalently reinforced beads obtained from a chemoenzymatically engineered alginate. Biomaterials. volum 27.
  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. volum 1093.
  Academic article
• Donati, I; Holtan, Synnøve; Mørch, Yrr Asbjørg; Borgogna, M; Dentini, M; Skjåk-Bræk, Gudmund. (2005) New hypothesis on the role of alternating sequences in calcium-alginate gels. Biomacromolecules. volum 6.
  Academic article
• Strugala, Vicki; Kennington, Erika J.; Campbell, Robert J.; Skjåk-Bræk, Gudmund; Dettmar, Peter W.. (2005) Inhibition of pepsin activity by alginates in vitro and the effect of epimerization. International Journal of Pharmaceutics. volum 304.
  Academic article
• Dentini, M; Rinaldi, G; Risica, Daniela; Barbetta, A.; Skjåk-Bræk, Gudmund. (2005) Comparative studies on solution characteristics of mannuronan epimerized by C-5 epimerases. Carbohydrate Polymers. volum 59.
  Academic article
• Donati, Ivan; Draget, Kurt Ingar; Borgogna, Massimiliano; Paoletti, Sergio; Skjåk-Bræk, Gudmund. (2005) Tailor-made alginate bearing galactose moieties on mannuronic residues: Selective modification achieved by a chemoenzymatic strategy. Biomacromolecules. volum 6.
  Academic article
• Sletmoen, Marit; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger. (2005) Mapping enzymatic functionalities of mannuronan C-5 epimerases and their modular units by dynamic force spectroscopy. Carbohydrate Research. volum 340.
  Academic article

2004

• Donati, Ivan; Coslovi, Anna; Gamini, Amelia; Skjåk-Bræk, Gudmund; Vetere, Amedeo; Campa, Cristiana; Paoletti, Sergio. (2004) Galactose-substituted alginate 2: Conformational aspects. Biomacromolecules. volum 5.
  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. volum 52.
  Academic article
• Strand, Wenche I.; Skjåk-Bræk, Gudmund; Gåserød, Olav. (2004) Microcapsule formulation and formation. Kluwer Academic Publishers. 2004.
  Text book
• Bjerkan, Tonje Marita; Bender, Carol; Ertesvåg, Helga; Drabløs, Finn; Fakhr, Mohamed K.; Preston, Lori A.; Skjåk-Bræk, Gudmund; Valla, Svein. (2004) The pseudomonas syringae genome encodes a combined mannuronan C-5-epimerase and O-acetylhydrolase, which strongly enhances the predicted gel-forming properties of alginates. Journal of Biological Chemistry. volum 279 (28).
  Academic article
• Bjerkan, Tonje Marita; Lillehov, Bjørn E.; Strand, WI; Skjåk-Bræk, Gudmund; Valla, Svein; Ertesvåg, Helga. (2004) Construction and analyses of hybrid Azotobacter vinelandii mannuronan C-5 epimerases with new epimerization pattern characteristics. Biochemical Journal. volum 381.
  Academic article
• Campa, Christiana; Holtan, Synnøve; Nilsen, Nadra; Bjerkan, Tonje M; Stokke, Bjørn Torger; Skjåk-Bræk, Gudmund. (2004) Biochemical analysis of the processive mechanism for epimerization of alginate by mannuronan C-5 epimerase AlgE4. Biochemical Journal.
  Academic article
• Campa, Cristiana; Holtan, Synnøve; Nilsen, N; Bjerkan, Tonje Marita; Stokke, Bjørn Torger; Skjåk-Bræk, Gudmund. (2004) Biochemical analysis of the processive mechanism for epimerization of alginate by mannuronan C-5 epimerase AlgE4. Biochemical Journal. volum 381.
  Academic article
• Campa, Cristiana; Oust, Astrid; Skjåk-Bræk, Gudmund; Skjak-Braek, G; Paulsen, Berit Smestad; Paoletti, Sergio; Christensen, Bjørn Erik; Ballance, Simon. (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. volum 1026.
  Academic article
• Crescenzi, Vittorio; Dentini, Mariella; Risica, Daniela; Spadoni, Sara; Skjåk-Bræk, Gudmund; Capitani, Donatella; Mannina, Luisa; Viel, Stephane. (2004) C(6)-oxidation followed by C(5)-epimerization of guar gum studied by high field NMR. Biomacromolecules. volum 5.
  Academic article
• Sletmoen, Marit; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger. (2004) Single-molecular pair unbinding studies of mannuronan C-5 epimerase AlgE4 and its polymer substrate. Biomacromolecules. volum 5.
  Academic article

2003

• Donati, Ivan; Gamini, Amelia; Skjåk-Bræk, Gudmund; Vetere, Amedeo; Campa, Cristiana; Coslovi, Anna; Paoletti, Sergio. (2003) Determination of the diadic composition of alginate by means of circular dichroism: a fast and accurate improved method. Carbohydrate Research. volum 338.
  Academic article
• Donati, Ivan; Vetere, Amedeo; Gamini, Amelia; Skjåk-Bræk, Gudmund; Coslovi, Anna; Campa, Cristiana; Paoletti, Sergio. (2003) Galactose-substituted alginate: Preliminary characterization and study of gelling properties. Biomacromolecules. volum 4.
  Academic article
• Gimmestad, Martin; Sletta, Håvard; Ertesvåg, Helga; Bakkevig, Karianne; Jain, Sumita; Suh, Sang-jin; Skjåk-Bræk, Gudmund; Ellingsen, Trond E.; Ohman, Dennis E.; Valla, Svein. (2003) The Pseudomonas fluorescens AlgG protein, but not its mannuronan C-5-epimerase activity, is needed fro alginate polymer formation. Journal of Bacteriology. volum 185 (12).
  Academic article
• Hunkeler, D.; Rajotte, R.; Grey, D.; Morel, Ph.; Skjåk-Bræk, Gudmund; Korbutt, G.; Gill, R.; Oberholzer, J.. (2003) Bioartificial organ grafts: A view at the beginning of the third millennium. Artificial Cells, Blood Substitutes, and Biotechnology. volum 31 (4).
  Academic article
• King, Aileen; Andersson, Arne; Strand, Berit Løkensgard; Lau, Joey; Skjåk-Bræk, Gudmund; Sandler, Stellan. (2003) The role of capsule composition and biologic responses in the function of transplanted microencapsulated islets of langerhans. Transplantation. volum 76 (2).
  Academic article
• King, Aileen; Strand, Berit Løkensgard; Rokstad, Anne Mari Aukan; Andersson, Arne; Kulseng, Bård Eirik; Skjåk-Bræk, Gudmund; Sandler, Stellan. (2003) Improvement of the biocompatibility of alginate/poly-L-lysine/alginate microcapsules by the use of epimerized alginate as a coating. Journal of Biomedical Materials Research. volum 64 (3).
  Academic article
• Rokstad, Anne Mari Aukan; Strand, Berit Løkensgard; Rian, K.; Steinkjer, Bjørg; Kulseng, Bård Eirik; Skjåk-Bræk, Gudmund; Espevik, Terje. (2003) Evaluation of different types of alginate microcapsules as bioreactors for producing endostatin. Cell Transplantation. volum 12.
  Academic article
• Strand, Berit Løkensgard; Mørch, Yrr Asbjørg; Espevik, Terje; Skjåk-Bræk, Gudmund. (2003) Visualization of alginate-poly-L-lysine-alginate microcapsules by confocal laser scanning microscopy. Biotechnology and Bioengineering. volum 82 (4).
  Academic article
• Strand, Berit Løkensgard; Mørch, Yrr Asbjørg; Syvertsen, Kjersti R.; Espevik, Terje; Skjåk-Bræk, Gudmund. (2003) Microcapsules made by enzymatically tailored alginate. Journal of Biomedical Materials Research. volum 64 (3).
  Academic article
• Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund; Gåserød, Olav. (2003) Microcapsule formation. Fundamentals of cell immobilisation biotechnology.
  Academic chapter/article

2002

• Crescenzi, Vittorio; Skjåk-Bræk, Gudmund; Dentini, Mariella; Masci, Giancarlo; Bernalda, Maria Scala; Risica, Daniela; Capitani, Donatella; Mannina, Luisa; Segre, Anna Laura. (2002) A high field NMR study of the products ensuing from konjak glucomannan C(6)-oxidation followed by enzymatic C(5)-epimerization. Biomacromolecules. volum 3.
  Academic article
• Draget, Kurt Ingar; Skjåk-Bræk, Gudmund. (2002) Alginates in Relation to HUman Health; From Commodity to High Cost Products?. Proceedings from the 11th Gums and Stabilisers Conference for the Food Industry.
  Academic chapter/article
• Draget, Kurt Ingar; Smidsrød, Olav; Skjåk-Bræk, Gudmund. (2002) Alginates from algae. Biopolymers.
  Academic chapter/article
• Flo, Trude Helen; Ryan, Liv; Latz, Eicke; Takeuchi, Osamu; Monks, Brian G.; Lien, Egil; Halaas, Øyvind; Akira, Shizuo; Skjåk-Bræk, Gudmund; Golenbock, Douglas T.; Espevik, Terje. (2002) Involvement of toll-like receptor (TLR) 2 and TLR4 in cell activation by mannuronic acid polymers. Journal of Biological Chemistry. volum 277 (38).
  Academic article
• Hartmann, Martin; Duun, Anne Sissel; Markussen, Sidsel; Grasdalen, Hans; Valla, Svein; Skjåk-Bræk, Gudmund. (2002) Time-resolved 1H and 13C NMR spectroscopy for detailed analyses of the Azotobacter vinelandii mannuronan C-5 epimerase reaction. Biochimica et Biophysica Acta. volum 1570.
  Academic article
• Hartmann, Martin; Holm, Olav B.; Johansen, Gunn A.B.; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger. (2002) Mode of action of recombinant Azotobacter vinelandii mannuronan C-5 epimerases AlgE2 and AlgE4. Biopolymers. volum 63.
  Academic article
• Rokstad, Anne Mari Aukan; Holtan, Synnøve; Strand, Berit Løkensgard; Steinkjer, Bjørg; Ryan, Liv; Kulseng, Bård Eirik; Skjåk-Bræk, Gudmund; Espevik, Terje. (2002) Microencapsulation of cells producing therapeutic proteins: Optimizing cell growth and secretion. Cell Transplantation. volum 11.
  Academic article
• Strand, Berit Løkensgard; Gåserød, Olav; Kulseng, Bård Eirik; Espevik, Terje; Skjåk-Bræk, Gudmund. (2002) Alginate-polylysine-alginate microcapsules – effect of size reduction on capsule properties. Journal of Microencapsulation. volum 19.
  Academic article

2001

• Conceicao, L.E.C.; Skjermo, Jorunn; Skjåk-Bræk, Gudmund; Verreth, J.A.J.. (2001) Effect of an immunostimulating alginate on protein turnover of turbot (Scophthalmus maximus L.) larvae. Fish Physiology & Biochemistry. volum 24.
  Academic article
• Crescenzi, Vittorio; Masci, Giancarlo; Rori, Vania; Skjåk-Bræk, Gudmund; Dentini, Mariella. (2001) Enzymatic epimerization of bacterial mannuronan and of C-6 oxidized, galactose-depleted guar: A circular dichroism and 1H NMR study. Biomacromolecules. volum 2 (3).
  Academic article
• Flo, Trude Helen; Ryan, Liv; Kilaas, L; Skjåk-Bræk, Gudmund; Ingalls, Robin; Sundan, Anders; Golenbock, D; Espevik, Terje. (2001) The involvement of CD14 and beta2-integrins in activating cells with soluble and particulate lipopolysaccharides and mannuronic acid polymers. Infection and Immunity. volum 68.
  Academic article
• Glærum Svanem, B.I.; Strand, W.I.; Ertesvåg, Helga; Skjåk-Bræk, Gudmund; Hartmann, M.; Barbeyron, T.; Valla, Svein. (2001) The catalytic activities of the bifunctional Azotobacter vinelandii mannuronan C-5-epimerase and alginate lyase AlgE7 probably originate from the same active site in the enzyme. Journal of Biological Chemistry. volum 276 (34).
  Academic article
• Ramstad, Marit Valeur; Markussen, Sidsel; Ellingsen, Trond E.; Skjåk-Bræk, Gudmund; Levine, David William. (2001) Influence of environmental conditions on the activity of the recombinant mannuronan C-5-epimerase AlgE2. Enzyme and Microbial Technology.
  Academic article
• Rokstad, Anne Mari Aukan; Kulseng, Bård Eirik; Strand, Berit Løkensgard; Skjåk-Bræk, Gudmund; Espevik, Terje. (2001) Transplantation of alginate microcapsules with proliferating cells in mice. Capsular overgrowth and suvival of encapsulated cells of mice and human origin. Annals of the New York Academy of Sciences. volum 944.
  Academic article
• Strand, Berit Løkensgard; Ryan, Liv; Int Veld, Peter; Kulseng, Bård Eirik; Rokstad, Anne Mari Aukan; Skjåk-Bræk, Gudmund; Espevik, Terje. (2001) Poly-L-Lysine Induces Fibrosis on Alginate Microcapsules via the Induction of Cytokines. Cell Transplantation. volum 10.
  Academic article

2000

• Crescenzi, V.; Hartmann, Morten; de Nooy, A E J.; Rori, V.; Masci, G.; Skjåk-Bræk, Gudmund. (2000) Epimerization of nonnatural uronans with mannuronan C-5-epimerases to obtain alginatelike polysaccharides. Biomacromolecules. volum 1 (3).
  Academic article
• Draget, Kurt Ingar; Strand, Berit Løkensgard; Hartmann, Martin; Valla, Svein; Smidsrød, Olav; Skjåk-Bræk, Gudmund. (2000) Ionic and acid gel formation of epimerised alginates : the effect of AlgE4. International Journal of Biological Macromolecules. volum 27.
  Academic article
• Flo, T.H.; Ryan, L.; Kilaas, L.; Skjåk-Bræk, Gudmund; Ingalls, R.R.; Sundan, A.; Golenbock, D.T.; Espevik, Terje. (2000) Involvement of CD14 and beta2-integrins in activating cells with soluble and particulate lipopolysaccharides and mannuronic acid polymers. Infection and Immunity. volum 68 (12).
  Academic article
• Flo, Trude Helen; Ryan, Liv; Kilaas, Lars; Skjåk-Bræk, Gudmund; Ingalls, Robin R.A; Sundan, Anders; Golenbock, Douglas T.; Espevik, Terje. (2000) Involvement of CD14 and _B2-integrins in activating cells with soluble and particulate lipopolysaccharides and mannuronic acid polymers. Infection and Immunity. volum 68 (12).
  Academic article
• Rokstad, Anne Mari Aukan; Skjermo, Jorunn; Skjåk-Bræk, Gudmund; Vadstein, Olav. (2000) Makrofagstudier hos piggvar og kveite etter immunstimulering med FMI in vitro og in vivo. 2000.
  Report
• Roubroeks, J.P.; Skjåk-Bræk, Gudmund; Ryan, L.; Christensen, B.E.. (2000) Molecular Weight Dependency on the Production of the TNF Stimulated by Fractions of rye (1-3),(1-4)-beta-D-Glucan. Scandinavian Journal of Immunology.
  Academic article
• Roubroeks, J.P.; Skjåk-Bræk, Gudmund; Ryan, L.; Christensen, B.E.. (2000) Molecular Weight Dependency on the Production of the TNF Stimulated by Fractions of rye (1-3),(1-4)-beta-D-Glucan. Scandinavian Journal of Immunology.
  Academic article
• Skjåk-Bræk, Gudmund; Flo, Trude Helen; Halaas, Øyvind; Espevik, Terje. (2000) Immune stimulating properties of di-equatorially beta(1->4) linked poly-uronides. Proceedings of the Phytochemical Society of Europe. volum 44.
  Academic article
• Strand, B.L.; Mørch, Y.A.; Skjåk-Bræk, Gudmund. (2000) Alginate as immobilization matrix for cells. Minerva biotecnologica (Testo stampato). volum 12 (4).
  Academic article
• Thu, Beate; Gåserød, Olav; Paus, Didrik; Mikkelsen, Arne; Skjåk-Bræk, Gudmund; Toffanin, Renato; Vittur, Franco; Rizzo, Roberto. (2000) Inhomogeneous alginate gel spheres: An assessment of the polymer gradients by synchrotron radiation-induced X-ray emission, magnetic resonance microimaging, and mathematical modeling. Biopolymers. volum 53.
  Academic article

1999

• Ertesvåg, Helga; Skjåk-Bræk, Gudmund. (1999) Modification of alginate using mannuronan C-5-epimerases. Methods in biotechnology. Vol 10: Carbohydrate biotechnology protocols.
  Academic chapter/article
• Gåserød, Olav; Sannes, Andrea; Skjåk-Bræk, Gudmund. (1999) Microcapsules of alginate-chitosan. II. A study of capsule stability and permeability. Biomaterials. volum 20.
  Academic article
• Høidal, Hilde Kristin; Ertesvåg, Helga; Skjåk-Bræk, Gudmund; Stokke, Bjørn Torger; Valla, Svein. (1999) The Recombinant Azotobacter vinelandii Mannuronan C-5-Epimerase AlGE4 Epimerizes Alginate by a Nonrandom Attack Mechanism. Journal of Biological Chemistry. volum 274 (18).
  Academic article
• King, Aileen; Sandler, Stellan; Andersson, Arne; Hellerström, Claes; Kulseng, Bård Eirik; Skjåk-Bræk, Gudmund. (1999) Glucose metabolism in vitro of cultured and transplanted mouse pancreatic islets microencapsulated by means of a high-voltage electrostatic field. Diabetes Care. volum 22 (Suppl 2).
  Academic article
• Kulseng, Bård Eirik; Espevik, Terje; Skjåk-Bræk, Gudmund. (1999) Behandling av diabetes mellitus med transplantasjon av immunbeskyttet øyvev fra pancreas. Tidsskrift for Den norske legeforening. volum 119 (28).
  Academic article
• Kulseng, Bård Eirik; Skjåk-Bræk, Gudmund; Ryan, Liv; Andersson, Arne; King, Aileen; Faxvaag, Arild; Espevik, Terje. (1999) Transplantation of alginate microcapsules. Transplantation. volum 67 (7).
  Academic article
• Kulseng, Bård Eirik; Skjåk-Bræk, Gudmund; Ryan, Liv; Andersson, Arne; King, Aileen; Faxvaag, Arild; Espevik, Terje. (1999) Transplantation of alginate microcapsules. Generation of antibodies against alginates and encapsulated porcine islet-like cell clusters. Transplantation. volum 67 (7).
  Academic article
• Ramstad, Marit Valeur; Ellingsen, Trond E.; Josefsen, Kjell D.; Høidal, Hilde K.; Valla, Svein; Skjåk-Bræk, Gudmund; Levine, David William. (1999) Properties and action pattern of the recombinant mannuronan C-5-epimerase AlgE2. Enzyme and Microbial Technology.
  Academic article
• Svanem, B I G.; Skjåk-Bræk, Gudmund; Ertesvåg, Helga; Valla, Svein. (1999) Cloning and expression of three new Azotobacter vinelandii genes closely related to a previously described gene family encoding mannuronan C-5-epimerases. Journal of Bacteriology. volum 181 (1).
  Academic article

1998

• Berntzen, G.; Flo, T; Medvedev, A; Kilaas, L; Skjåk-Bræk, Gudmund; Sundan, A; Espevik, Terje. (1998) The tumor necrosis factor-inducing potency of lipopolysaccharide and uronic acid polymers is increased when they are covalently linked to particles. Clinical and Vaccine Immunology.
  Academic article
• Berntzen, Gøril; Flo, Trude Helen; Medvedev, Andrei E.; Skjåk-Bræk, Gudmund. (1998) The tumor necrosis factor-inducing potency of lipopolysacharide and uronic acid polymers is increased when they are covalently linked to particles. Clinical and Laboratory Immunology. volum 5/1998 (3).
  Academic article
• Ertesvåg, Helga; Erlien, Frode; Skjåk-Bræk, Gudmund; Rehm, Bernd H. A.; Valla, Svein. (1998) Biochemical properties and substrate specificities of a recombinantly produced Azotobacter vinelandii alginate lyase. Journal of Bacteriology. volum 180 (15).
  Academic article
• Ertesvåg, Helga; Høidal, Hilde Kristin; Skjåk-Bræk, Gudmund; Valla, Svein. (1998) The Azotobacter vinelandii mannuronan C-5-epimerase AlgE1 consists of two separate catalytic domains. Journal of Biological Chemistry. volum 273.
  Academic article
• Ertesvåg, Helga; Høidal, Hilde Kristin; Skjåk-Bræk, Gudmund; Valla, Svein. (1998) The Azotobacter vinelandii mannuronan C-5-epimerase AlgE1 consists of two separate catalytic domains. Journal of Biological Chemistry. volum 273.
  Academic article
• Gåserød, Olav; Jolliffe, Ian G.; Hampson, Frank C.; Dettmar, Peter W.; Skjåk-Bræk, Gudmund. (1998) The enhancement of the bioadhesive properties of calcium alginate gel beads by coating with chitosan. International Journal of Pharmaceutics.
  Academic article
• Gåserød, Olav; Smidsrød, Olav; Skjåk-Bræk, Gudmund. (1998) Microcapsules of alginate-chitosan - I : a quantitative study of the interaction between alginate and chitosan. Biomaterials. volum 19.
  Academic article
• Quong, D.; Neufeld, R.J.; Skjåk-Bræk, Gudmund; Poncelet, D.. (1998) External versus internal source of calcium during the gelation of alginate beads for DNA encapsulation. Biotechnology and Bioengineering. volum 57 (4).
  Academic article

1997

• Draget, Kurt Ingar; Skjåk-Bræk, Gudmund; Smidsrød, Olav. (1997) Alginate based new materials. International Journal of Biological Macromolecules. volum 21.
  Academic article
• Jahr, Tove Gullstein; Ryan, Liv; Sundan, Anders; Lichenstein, Henri S.; Skjåk-Bræk, Gudmund; Espevik, Terje. (1997) Induction of tumor necrosis factor production from monocytes stimulated with mannuronic acid polymers and involvement of lipopolysaccharide-binding protein, CD14, and bactericidal/ permeability-increasing factor. Infection and Immunity. volum 65 (1).
  Academic article
• Kulseng, Bård Eirik; Thu, Beate; Espevik, Terje; Skjåk-Bræk, Gudmund. (1997) Alginate polylysine microcapsules as immune barrer : permeability of cytokines and immmunoglobulins over the capsule membrane. Cell Transplantation. volum 6 (4).
  Academic article
• Sandler, Stellan; Andersson, Arne; Eizirik, Décio L.; Hellerström, Claes; Espevik, Terje; Kulseng, Siri; Thu, Beate; Pipeleers, Daniel G.; Skjåk-Bræk, Gudmund. (1997) Assessment of insulin secretion in vitro from microencapsulated fetal procine islet-like cell clusters and rat, mouse, and human pancreatic islets. Transplantation. volum 63 (12).
  Academic article
• Thu, Beate; Skjåk-Bræk, Gudmund; Micali, Fulvio; Vittur, Franco; Rizzo, Roberto. (1997) The spatial distribution of calcium in alginate gel beads analysed by synchrotron-radiation induced X-ray emission (SRIXE). Carbohydrate Research. volum 297.
  Academic article

1996

• Abrahamson, Michael; Lewandowski, Zbigniew; Geesey, Gill; Skjåk-Bræk, Gudmund; Strand, Wenche; Christensen, Bjørn E.. (1996) Development of an artificial biofilm to study the effects of a single microcolony on mass transport. Journal of Microbiological Methods. volum 26.
  Academic article
• Draget, Kurt Ingar; Skjåk-Bræk, Gudmund; Christensen, Bjørn E.; Gåserød, Olav; Smidsrød, Olav. (1996) Swelling and partial solubilization of alginic acid gel beads in acidic buffer. Carbohydrate Polymers. volum 29.
  Academic article
• Ertesvåg, Helga; Valla, Svein; Skjåk-Bræk, Gudmund. (1996) Genetics and biosynthesis of alginates. Carbohydrates in Europe. volum 14.
  Academic article
• Kulseng, Bård Eirik; Skjåk-Bræk, Gudmund; Følling, Ivar; Espevik, Terje. (1996) TNF production from peripheral blood mononuclear cells in diabetic patients after stimulation with alginate and lipopolysaccharide. Scandinavian Journal of Immunology. volum 43.
  Academic article
• Skjåk-Bræk, Gudmund; Espevik, Terje. (1996) Application of alginate gels in biotechnology and biomedicine. Carbohydrates in Europe. volum 14.
  Academic article
• Thu, Beate; Bruheim, Per; Espevik, Terje; Smidsrød, Olav; Soon-Shiong, P.; Skjåk-Bræk, Gudmund. (1996) Alginate polycation microcapsules. I, Interaction between alginate and polycation. Biomaterials. volum 17.
  Academic article
• Thu, Beate; Bruheim, Per; Espevik, Terje; Smidsrød, Olav; Soon-Shiong, Patrick; Skjåk-Bræk, Gudmund. (1996) Alginate polycation microcapsules. II, Some functional properties. Biomaterials. volum 17.
  Academic article
• Valla, Svein; Skjåk-Bræk, Gudmund. (1996) Alginate : a target molecule for genetic engineers and a versatile material for the biotechnologist. Agro Food Industry Hi-Tech.
  Academic article

1995

• Skjermo, Jorunn; Defoort, Thomas; Dehasque, Marleen; Espevik, Terje; Olsen, Yngvar; Skjåk-Bræk, Gudmund; Sorgeloost, Patrick; Vadstein, Olav. (1995) Immunostimulation of juvenile turbot (Scophthalmus maximus L.) using an alginate with high mannuronic acid content administered via the live food organism Artemia. Fish and Shellfish Immunology. volum 5.
  Academic article
• Skjåk-Bræk, Gudmund; Espevik, Terje; Otterlei, Marit; Smidsrød, Olav; Soon-Shiong, P.. (1995) Homologous guluronic acid alginate coating composition for in vivo application and implantation and method using the same. 1995. US-Patent 5459 054, Oct. 1995.
  Report

1994

• Draget, Kurt Ingar; Skjåk-Bræk, Gudmund; Smidsrød, Olav. (1994) Alginic acid gels : the effect of alginate chemical composition and molecular weight. Carbohydrate Polymers. volum 25.
  Academic article
• Ertesvåg, Helga; Doseth, Berit; Larsen, Bjørn; Skjåk-Bræk, Gudmund; Valla, Svein. (1994) Cloning and expression of an Azotobacter vinelandii mannuronan C-5-epimerase gene. Journal of Bacteriology. volum 176 (10).
  Academic article
• Moe, Størker; Skjåk-Bræk, Gudmund; Smidsrød, Olav. (1994) Calcium alginate gel fibers : influence of alginate source and gel structure on fiber strength. Journal of Applied Polymer Science. volum 51.
  Academic article

1993

• Moe, Størker; Skjåk-Bræk, Gudmund; Smidsrød, Olav; Elgsæter, Arnljot. (1993) A new approach for estimating the crosslink density of covalently crosslinked ionic polysaccharide gels. Carbohydrate Polymers.
  Academic article
• Moe, Størker; Skjåk-Bræk, Gudmund; Smidsrød, Olav; Elgsæter, Arnljot. (1993) Swelling of covalently crosslinked alginate gels : influence of ionic solutes and nonpolar solvents. Macromolecules.
  Academic article
• Stokke, Bjørn Torger; Smidsrød, Olav; Strand, Wenche; Skjåk-Bræk, Gudmund; et al., [Mangler fornavn]. (1993) Distribution of uronate residues in alginate chains in relation toalginate gelling properties. 2: Enrichment of beta-D-mannuronic acid and depletion of alfa-L-guluronic acid in sol fraction. Carbohydrate Polymers.
  Academic article

1992

• Hertzberg, Sissel; Kvittingen, Lise; Anthonsen, Thorleif; Skjåk-Bræk, Gudmund. (1992) Alginate as immobilization matrix and stabilizing agent in a two-phase liquid system: Application in lipase-catalysed reactions. Enzyme and Microbial Technology. volum 14.
  Academic article
• Martinsen, Anita; Storrø, Ivar; Skjåk-Bræk, Gudmund. (1992) Alginate as immobilization material: Diffusional Properties of Alginate Gel Beads. Biotechnology and Bioengineering. volum 39.
  Academic article
• Moe, Størker; Draget, Kurt Ingar; Skjåk-Bræk, Gudmund; Smidsrød, Olav. (1992) Temperature dependence of the elastic modulus of alginate gels. Carbohydrate Polymers. volum 19.
  Academic article
• Soon-Shong, P.; Feldman, E.; Nelson, R.; Komtebedde, J.; Smidsrød, Olav; Skjåk-Bræk, Gudmund; Espevik, Terje; Heintz, R.; Lee, M.. (1992) Successful reversal of spontaneous diabetes in dogs by intraperitonal microencapsulated islets. Transplantation. volum 54 (5).
  Academic article

1991

• Moe, Størker; Skjåk-Bræk, Gudmund; Smidsrød, Olav. (1991) Covalently cross-linked sodium alginate beads. Food Hydrocolloids. volum 5 (1/2).
  Academic article
• Stokke, Bjørn Torger; Smidsrød, Olav; Bruheim, Per; Skjåk-Bræk, Gudmund. (1991) Distribution of uronate residues in alginate chains in relation to alginate gelling properties. Macromolecules. volum 24.
  Academic article