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Publications Folke Tjerneld

Articles on separation in aqueous two-phase systems

  1. Membrane protein isolation by in situ solubilization, partitioning and affinity adsorption in aqueous two-phase systems - Purification of the human type 1 11 beta-hydroxysteroid dehydrogenase.
    M. Roobol-Bóza, V. Dolby, M Doverskog,  Å. Barrefelt,  F. Lindqvist, U.C. Oppermann, K. Köhler Van Alstine, F. Tjerneld.
    Journal of Chromatography A, 1043 (2), 217-223, 2004. Link
  2. Large-scale separation and production of engineered proteins, designed for facilitated recovery in detergent-based aqueous two-phase extraction systems.
    K. Selber, F. Tjerneld, A. Collen, T. Hyytia, T. Nakari-Setala, M. Bailey, R. Fagerstrom, J. Kan, J. van der Laan, M. Penttila, M.-R. Kula.
    Process Biochemistry, 39, 889-896, 2004. Link
  3. Partitioning and characterization of tyrosine-tagged green fluorescent proteins in aqueous two-phase systems.
    S. Fexby, A. Nilsson, G. Hambraeus, F.Tjerneld, and L. Bülow.
    Biotechnology Progress, 20, 793-798, 2004. Link
  4. Protein pre-fractionation in detergent-polymer aqueous two-phase systems for facilitated proteomic studies of membrane proteins.
    H. Everberg, U. Sivars, C. Emanuelsson, C. Persson, A.-K. Englund, L. Haneskog, P. Lipniunas, M. Jörntén-Karlsson, F. Tjerneld.
    J. of Chromatogr. A, 1029, 113-124, 2004 Link
  5. Extraction of plasmid DNA from Escherichia coli cell lysate in a thermoseparating aqueous two-phase system.
    C.Kepka, J. Rhodin, R. Lemmens, F. Tjerneld, P.-E. Gustavsson.
    J. of Chromatogr. A, 1024, 95-104, 2004 Link
  6. Effects of pH, salt and time on ligand binding properties of  overexpressed melanocortin 4 receptor.
    V. Dolby, A. Lundqvist, T. Fröberg, E. Lüllau, J. Shaw, F. Tjerneld, P. Cronet.
    J. Biochem. Biophys. Methods, 58, 195-205,2004 Link
  7. Tryptophan-tagged cutinase studied by steady state fluorescence for understanding of tag interactions in aqueous two-phase systems.
    A. Nilsson, M. T. Neves-Petersen, H.-O. Johansson, J. Jansson, K. Schillén, F. Tjerneld, S. B. Petersen.
    Biochimica et Biophysica Acta (BBA) - Proteins & Proteomics,1646, 57-66, 2003, Link
  8. Pilot-scale extraction of an intracellular recombinant cutinase from E. coli cell homogenate using a thermoseparating aqueos two-phase system.
    C. Kepka, E. Collet, J. Persson, Å. Ståhl, T. Lagerstedt. F. Tjerneld, A. Veide.
    J. Biotechnol. 103, 165-181, 2003 Link
  9. Partitioning of peptide-tagged proteins in aqueous two-phase systems using hydrophobically modified micelle-forming thermoseparating polymer.
    A. Nilsson, H-O. Johansson,  M. Mannesse,  M.R. Egmond, F.Tjerneld.
    Biochim. Biophys. Acta, 1601, 138-148, 2002 Link
  10. Primary Recovery of a Genetically Engineered Trichoderma reesei Endoglucanase I (Cel 7B) Fusion Protein in Cloud Point Extraction Systems.
    A. Collén, K. Selber, T. Hyytiä, J. Persson, T. Nakari- Setälä, M. Bailey, R. Fagerström, M-R. Kula, M. Penttilä, H. Stålbrand, F. Tjerneld.
    Biotechnol. Bioeng., 78, 385-394, 2002. Link
  11. The surface exposed amino acid residues of monomeric proteins determine the partitioning in aqueous two-phase systems.
    K. Berggren, A. Wolf, J.A. Asenjo, B.A. Andrews, F.Tjerneld.
    Biochim. Biophys. Acta, 1596, 253-268, 2002 Link
  12. Cutinase-peptide fusions in thermoseparating aqueous two-phase systems. Prediction of partitioning and enhanced tag efficiency by detergent addition.
    A. Nilsson, M. Mannesse, M. R. Egmond, F. Tjerneld.
    J. Chromatogr. A, 946, 141-155, 2002. Link
  13. A novel two-step extraction method with detergent/polymer systems for primary recovery of the fusion protein endoglucanase I-hydrophobin I.
    A. Collén, J. Persson, M. Linder, T. Nakari-Setälä, M. Penttilä, F. Tjerneld, U. Sivars.
    Biochim. Biophys. Acta, 1569, 139-150, 2002. Link
  14. Parameters influencing protein extraction for whole broths in detergent based aqueous two-phase systems.
    K. Selber, A. Collén, T. Hyytiä, M. Penttilä, F. Tjerneld, M-R. Kula.
    Bioseparation 10, 229-236, 2002. Link
  15. Genetically engineered peptide fusions for improved protein partitioning in aqueous two-phase systems. Effect of fusion localization on endoglucanase I of Trichoderma reesei.
    A. Collén, M. Ward, F. Tjerneld, H. Stålbrand.
    J. Chromatogr. A, 910, 275-284, 2001. Link
  16. Genetic engineering of the Trichoderma reesei endoglucanase I (Cel7B) for enhanced partitioning in aqueous two-phase systems containing thermoseparating ethylene oxide-propylene oxide copolymers.
    A. Collén, M. Ward, F. Tjerneld, H. Stålbrand.
    J. Biotechnol. 87, 179-191, 2001. Link
  17. Extraction of endoglucanase I (Cel7B) fusion proteins from Trichderma reesie culture filtrate in a poly (ethylene glycol-) phosphate aqueous two-phase system.
    A. Collén, M. Penttilä, H. Stålbrand, F. Tjerneld, A. Veide
    J. of Chromatogr. A, 943, 55-62, 2001. Link
  18. Applications of Amphiphilic Copolymers in Separations in: Amphiphilic Block Copolymers.
    Svensson, M., Johansson, H-O., Tjerneld, F.
    (P. Alexandridis and B. Lindman, eds.),  
    Elsevier, New York, 2000, pp 377-407.
  19. Biomolecule separation using temperature-induced phase separation with recycling of phase-forming polymers.
    Persson, J., Johansson, H-O., Tjerneld, F.
    Ind. Eng. Chem. Res. 2000, 39. 2788-2796. Link
  20. Substitutions of surface amino acid residues of cutinase probed by aqueous two-phase partitioning.
    Berggren, K., Egmond, M.R., Tjerneld, F.
    Biochim. Biophys. Acta, 2000, 1481, 317-327. Link
  21. Peptide fusion tags with tryptophan and charged residues for control of protein partitioning in PEG-potassium phosphate aqueous two-phase systems.
    K. Berggren, F. Tjerneld, A. Veide. Bioseparation 9, 69-80, 2000. Link
  22. Aqueous polymer two-phase systems formed by new thermoseparating polymers.
    J. Persson, H-O. Johansson, I. Galaev, B. Mattiasson, F. Tjerneld. Bioseparation 9, 105-116, 2000.
  23. Model process for separation based on unfolding and refolding of chymotrypsin inhibitor 2 in thermoseparating polymer two-phase systems.
    H. Umakoshi, J. Persson, M. Kroon, H-O. Johansson, D.E. Otzen, R. Kuboi, F. Tjerneld. 
    J. Chromatogr. B. 743, 13-19, 2000. Link
  24. Polymer recycling in aqueous two-phase extractions using thermoseparating ethylene oxide-propylene oxide copolymers.
    J. Persson, A. Kaul, F. Tjerneld. 
    J. Chromatogr. B. 743, 115-126, 2000. Link
  25. Partitioning of peptides and recombinant protein-peptide fusions in thermoseparating aqueous two-phase systems: effect of peptide primary structure.
    K. Berggren, A. Nilsson, G. Johansson, N. Bandmann, P-Å. Nygren, F. Tjerneld. 
    J. Chromatogr. B. 743, 295-306, 2000. Link
  26. Affinity partitioning of a poly(histidine)-tagged integral membrane protein, cytochrome bo3 ubiquinol oxidase, in a detergent-polymer aqueous two-phase system containing metal-chelating polymer.
    U. Sivars, J. Abramson, S. Iwata, F. Tjerneld. J. Chromatogr. B. 743, 307-316, 2000. Link
  27. Phase behavior and protein partitioning in aqueous two-phase systems of cationic-anionic surfactant mixtures.
    J-X. Xiao, U. Sivars, F. Tjerneld. 
    J. Chromatogr. B. 743, 327-338, 2000. Link
  28. Mechanisms of phase behaviour and protein partitioning in detergent/polymer aqueous two-phase systems for purification of intergral membrane proteins.
    U. Sivars, F. Tjerneld.
    Biochim. Biophys. Acta. 1474, 133-146, 2000. Link
  29. Compartmentalization of enzymes and distribution of products in aqueous two-phase systems. F. Tjerneld, H.-O. Johansson, in "Microcompartmentation and Phase Separation in Cytoplasm" (H. Walter, D.E. Brooks, P.A. Srere) Academic Press, 2000, pp 137-151.
  30. Separation of amino acids and peptides by temperature induced phase partitioning. Theoretical model for partitioning and experimental data.
    H-O. Johansson, G. Karlström, F. Tjerneld.Bioseparation 7, 259-267, 1999. Link
  31. Purification of recombinant proteins using thermoseparating aqueous two-phase system and polymer recycling.
    J. Persson, L. Nyström, H. Ageland and F. Tjerneld. J. Chem. Technol. Biotechnol. 74, 238-243, 1999. Link
  32. Purification of recombinant and human apolipoprotein A-1 using surfactant micelles in aqueous two-phase systems; recycling of thermoseparating polymer and surfactant with temperature induced phase separation.
    J. Persson, L. Nyström, H. Ageland and F. Tjerneld, Biotechno. Bioeng. 65, 371-381, 1999. Link
  33. Genetic engineering of protein-peptide fusions for control of protein partitioning in thermoseparating aqueous two-phase systems.
    K. Berggren, A. Veide, P.-Å. Nygren and F. Tjerneld, Biotechnol. Bioeng. 62, 135-144, 1999. Link
  34. Thermoseparating water/polymer system: a novel one-polymer aqueous two-phase system for protin purification.
    H.-O. Johansson, J. Persson, F. Tjerneld. 
    Biotechnol. Bioeng. 66, 247-257, 1999. Link
  35. Purification of protein and recycling of polymers in a new aqueous two-phase system using two thermoseparating plymers.
    J. Persson, H.-O. Johansson, F. Tjerneld. 
    J. Chromatogr. A. 864, 31-48, 1999. Link
  36. Novel polymer-polymer conjugates for recovery of lactic acid by aqueous two-phase extraction.
    J. Planas, A. Kozlowski, J.M. Harris, F. Tjerneld, B. Hahn-Hägerdal. Biotechnol. Bioeng. 66, 211-218, 1999. Link
  37. Aqueous two-phase systems containing self-associating block copolymers. Partitioning of hydrophilic and hydrophobic biomolecules.
    M. Svensson, K. Berggren, A. Veide, F. Tjerneld. J. Chromatogr. A. 839, 71-83, 1999. Link
  38. Purification of recombinant apolipoprotein A-1 Milano using aqueous two-phase systems and temperature induced phase separation.
    J. Persson, L. Nyström, H. Ageland and F. Tjerneld, J. Chromatogr. B, 711, 97-109, 1998. Link
  39. Driving forces for phase separation and partitioning in aqueous two-phase systems.
    H.-O. Johansson, G. Karlström, F. Tjerneld and C.A. Haynes, J. Chromatogr. B, 711, 3-17, 1998. Link
  40. Amine-based aqueous polymers for the simultaneous titration and extraction of lactic acid in aqueous two-phase systems.
    J. Planas, Vassilios Varelas, F. Tjerneld and B. Hahn-Hägerdal, J. Chromatogr. B, 711, 265-275, 1998. Link
  41. Partitioning of hydrophobic amino acids and oligopeptides in aqueous two-phase system containing self-aggregating block copolymer. Effects of temperature, salts and surfactants.
    M. Svensson, F. Joabsson, P. Linse and F. Tjerneld, 
    J. Chromatogr. A, 761, 91-101, 1997. Link
  42. Analysis of phase composition in aqueous two-phase systems using a two-column chromatographic method. Application to lactic acid production by extractive fermentation.
    J. Planas, D. Lefebvre, F. Tjerneld and B. Hahn-Hägerdal, Biotechnol. Bioeng. 54, 303-311, 1997. Link
  43. Effect of solute hydrophobicity on phase behaviour in solutions of thermoseparating polymers.
    H.-O. Johansson, G. Karlström, and F. Tjerneld.
    Colloid and Polymer Science 275, 458-466, 1997. Link
  44. Interaction between tryptophan residues and hydrophobically modified dextran. Effect on partitioning of peptides and proteins in aqueous two-phase systems.
    M. Lu and F. Tjerneld, 
    J. Chromatogr. A, 766, 99-108, 1997. Link
  45. Temperature-induced phase partitioning of peptides in water solutions of ethylene oxide and propylene oxide random copolymers.
    H.-O. Johansson, G. Karlström, and F. Tjerneld,
    Biochimica et Biophysica Acta 1335, 315-325, 1997 Link
  46. Affinity purification of enzymes using temperature-induced phase separation.
    F. Tjerneld,
    Advances in Molecular and Cell Biology 15B,539, 1996
  47. Effects of ions on partitioning of serum albumin and lysozyme in aqueous two-phase systems containing ethylene oxide-propylene oxide copolymers.
    H.-O. Johansson, G. Lundh, G. Karlström and F. Tjerneld, Biochim. Biophys. Acta. 1290, 289-298, 1996. Link
  48. Effects of fused tryptophan rich peptides to a recombinant protein A domain on the partitioning in PEG-dextran and Ucon-dextran aqueous two-phase systems.
    M. Carlsson, K. Berggren, P. Linse, A. Veide and F. Tjerneld. Link
    J. Chromatogr. A, 756, 107-117, 1996.
  49. Protein partitioning in weakly charged polymer/surfactant aqueous two-phase systems.
    U. Sivars, K. Bergfeldt, L. Piculell and F. Tjerneld.
    J. Chromatogr. B, 680, 43-53, 1996. Link
  50. Ucon/benzoyl dextran aqueous two-phase systems: protein purification with phase component recycling.
    M. Lu, P.-Å. Albertsson, G. Johansson and F. Tjerneld.
    J. Chromatogr., B, 680, 65-70, 1996. Link
  51. Use of aqueous two-phase systems in sample preparation for PCR-based detection of microorganisms.
    P.-G. Lantz, F. Tjerneld, B. Hahn-Hägerdal and P. Rådström. Link
    J. Chromatogr. B, 680, 165-170, 1996.
  52. Enhanced production of lactic acid through the use of a novel aqueous two-phase system as an extractive fermentation system.
    J. Planas, P. Rådström, F. Tjerneld and B. Hahn-Hägerdal, Appl. Microbiol. Biotechnol., 45, 737-743, 1996. Link
  53. Partitioning of b -mannanase and a -galactosidase from Aspergillus niger in Ucon/Reppal aqueous two-phase systems and using temperature-induced phase separation.
    T. Farkas, H. Stålbrand and F. Tjerneld. 
    Bioseparation 6, 147-157, 1996.
  54. Partitioning in aqueous polymer two-phase systems: I. Modelling of affinity partition.
    M. Carlsson, P. Linse and F. Tjerneld. 
    Bioseparation 5, 155-166, 1995.
  55. Effects of hydrophobicity and counter ions on the partitioning of amino acids in thermoseparating Ucon-water two-phase systems.
    H.-O. Johansson, G. Karlström, B. Mattiasson and F. Tjerneld, Bioseparation 5, 269-279, 1995.
  56. Phase behaviour in aqueous two-phase systems containing micelle-forming block copolymers.
    M. Svensson, P. Linse and F. Tjerneld. 
    Macromolecules 28, 3597-3603, 1995.
  57. Partitioning of proteins in dextran/hydrophobically modified dextran aqueous two-phase systems.
    M. Lu, G. Johansson, P.-Å. Albertsson and F. Tjerneld, Bioseparation 5, 351-358, 1995.
  58. Effects of salts and the surface hydrophobicity of proteins on partitioning in aqueous two-phase systems containing thermoseparating ethylene oxide-propylene oxide copolymers.
    K. Berggren, H.-O. Johansson and F. Tjerneld, J. Chromatogr. A, 718, 67-79, 1995. Link
  59. Phase diagrams.
    P.-Å. Albertsson and F. Tjerneld, in: "Methods in Enzymology, vol 228: Aqueous Two-Phase Systems" (H. Walter and G. Johansson, eds), 
    pp. 3-13, Academic Press, New York, 1994.
  60. Partitioning of proteins and thylakoid membrane vesicles in aqueous two-phase systems with hydrophobically modified dextran.
    M. Lu, P.-Å. Albertsson, G. Johansson and F. Tjerneld, J. Chromatogr., 668, 215-228, 1994.
  61. Enhanced sensitivity in the PCR detection of Listeria monocytogenes in soft cheese through use of aqueous two-phase system as a sample preparation method.
    P.-G. Lantz, F. Tjerneld, E. Borch, B. Hahn-Hägerdal and P. Rådström. 
    Appl. Environ. Microbiol., 60, 3416-3418, 1994.
  62. Temperature-dependent protein partitioning in two-phase aqueous polymer systems.
    M. Carlsson, P. Linse and F. Tjerneld, 
    Macromolecules 26, 1546-1554, 1993.
  63. Aqueous two-phase partitioning on an industrial scale.
    F. Tjerneld, in: "Poly(Ethylene Glycol) Chemistry: Biotechnical and Biomedical Applications" (J.M. Harris, ed.), Chapter 6, pp. 85-102, Plenum Press, New York, 1992.
  64. Synthesis of dye conjugates of ethylene oxide-propylene oxide copolymers and application in temperature-induced phase partitioning.
    P.A. Alred, F. Tjerneld, A. Kozlowski and J.M. Harris, Bioseparation 2, 363-373, 1992.
  65. Separation in aqueous polymer two-phase systems: basic principles and biotechnological applications (translated to japanese by Jun Miyake).
    F. Tjerneld, Protein, Nucleic Acid and Enzyme (Jap.), 37, 37-45, 1992.
  66. Semicontinuous production of cellulolytic enzymes with Trichoderma reesei Rutgers C30 in an aqueous two-phase system.
    I. Persson, H. Stålbrand, F. Tjerneld and B. Hahn-Hägerdal, Appl. Biochem. 
    Biotechnol. 27, 27-36, 1991.
  67. Enzymatic cellulose hydrolysis in an attrition bioreactor combined with an aqueous two-phase system.
    F. Tjerneld, I. Persson and J.M. Lee, 
    Biotechnol. Bioeng. 37, 876-882, 1991.
  68. Phase separation in aqueous mixtures of similarly charged polyelectrolytes.
    L. Piculell, L. Falck, S. Nilsson and F. Tjerneld, 
    Polymer Comm., 32, 158-160, 1991.
  69. Enzyme purification using temperature induced phase formation.
    P.A. Harris, G. Karlström and F. Tjerneld, 
    Bioseparation 2, 237-246, 1991.
  70. Preparation of benzoyl dextran and its use in aqueous two-phase systems.
    M. Lu, F. Tjerneld, G. Johansson and P.-Å. Albertsson, Bioseparation 2, 247-255, 1991.
  71. Aqueous two-phase separations.
    P.-Å. Albertsson, G. Johansson and F. Tjerneld, in "Separation Processes in Biotechnology" (J.A. Asenjo, ed.) Marcel Dekker, New York, pp. 287-327, 1990.
  72. Partition of macromolecules and cell particles in aqueous two-phase systems based on hydroxypropyl starch and poly(ethylene glycol).
    S. Sturesson, F. Tjerneld and G. Johansson, Appl. Biochem. Biotechnol. 26, 281-295, 1990.
  73. Aqueous two-phase systems for biotechnical use.
    F. Tjerneld and G. Johansson, 
    Bioseparation 1, 255-263, 1990.
  74. New polymers for aqueous two-phase systems.
    F. Tjerneld, in "Separations Using Aqueous Phase Systems" (D. Fisher and I. Sutherland, eds.) Plenum, New York, 1989, pp. 429-438.
  75. Production of b-glucosidase with Aspergillus phoenicis QM329 in aqueous two-phase systems.
    I. Persson, F. Tjerneld and B. Hahn-Hägerdal, 
    Biotechnol. Techniques, 3, 265-270, 1989.
  76. Cultivation and enzyme production in aqueous two-phase systems with Trichoderma reesei and Aspergillus phoenicis.
    F. Tjerneld, I. Persson and B. Hahn-Hägerdal, in "Interbiotech '87 Enzyme Technologies" (A. Blazej and J. Zemek, eds.), Progress in Biotechnology 4, Elsevier, Amsterdam, 1988, pp. 453-461.
  77. Kinetic models for enzymic cellulose degradation in aqueous two-phase systems.
    C.F. Mandenius, B. Nilsson, I. Persson and F. Tjerneld, Biotechnol. Bioeng. 31, 203-207, 1988.
  78. A new aqueous two-phase system based on hydroxypropyl starch useful in enzyme purification.
    F. Tjerneld, S. Berner, A. Cajarville and G. Johansson, Enzyme Microb. Technol. 8, 417-423, 1986.
  79. The nature of phase separation in aqueous two-polymer systems.
    Å. Gustafsson, H. Wennerström and F. Tjerneld, 
    Polymer 27, 1768-1770, 1986.
  80. Aqueous polymer two-phase systems in biotechnology.
    Å. Gustafsson, H. Wennerström and F. Tjerneld, Fluid Phase Equilibria 29, 365-371, 1986.
  81. Enzymatic hydrolysis of cellulose in aqueous two-phase systems. I. Partition of cellulases from Trichoderma reesei.
    F. Tjerneld, I. Persson, P.-Å. Albertsson and B. Hahn-Hägerdal, Biotechnol. Bioeng. 27, 1036-1043, 1985.
  82. Enzymatic hydrolysis of cellulose in aqueous two-phase systems. II. Semi-continuous conversion of a model substrate, Solka Floc BW 200.
    F. Tjerneld, I. Persson, P.-Å. Albertsson and B. Hahn-Hägerdal, Biotechnol. Bioeng. 27, 1044-1050, 1985.
  83. Enzyme recycling in cellulose hydrolysis by combined use of aqueous two-phase systems and ultrafiltration.
    F. Tjerneld, I. Persson, P.-Å. Albertsson and B. Hahn-Hägerdal, Biotechnol. 
    Bioeng. Symp. 15, 419-429, 1985.

Articles on cellulases and hemicellulases

  1. Adsorption of Trichoderma reesei CBH I and EG II and their catalytic domains on steam pretreated softwood and isolated lignin. H. Palonen, F. Tjerneld, G. Zacchi, M. Tenkanen, J. Biotechnol., 107, 65-72, 2004. Link
  2. Isolation, characterization, and enzymatic hydrolysis of acetyl-galactoglucomannan from spruce (Picea abies).
    H. Stalbrand, J. Lundqvist, A. Andersson, P. Hagglund, L. Anderson, F. Tjerneld, A. Jacobs, A. Teleman, O. Dahlman, M. Palm, G. Zacchi.
    Hemicelluloses, Science and Technology, 864,  66-78, 2004. Link
  3. Liquid chromatography-mass spectrometry analysis of enzyme-hydrolysed carboxymethylcellulose for investigation of enzyme selectivity and substituent pattern. A.Cohen, H. Schagerlöf, C. Nilsson, C. Melander, F. Tjerneld, L. Gorton, J. Chromatography A, 1029, 153-165, 2004. Link
  4. Heterogeneity of homologously expressed Hypocrea jecorina (Trichoderma reesei) Cel7B catalytic module
    T. Eriksson, I. Stals, A. Collén, F. Tjerneld, M Claeyssens,  H Stålbrand, H Brumer.
    Eur J Biochem,  271, 1266-76, 2004 Link
  5. The effect of Tween-20 on simultaneous saccharification and fermentation of softwood ethanol
    M.Alkasrawi, T. Eriksson, J. Börjesson, A. Wingren, M. Galbe, F. Tjerneld, G. Zacchi
    Enzyme and Microbial Technology, 33, 71-78, 2003. Link
  6. Purification and characterization of five cellulases and one xylanase from Penicillium brasilianum IBT 20888.
    H. Jörgensen, T. Eriksson, J. Börjesson, F. Tjerneld, L. Olsson.
    Enzyme and Microbial Technology, 32, 851-861, 2003. Link
  7. Characterization of water-soluble hemicelluloses from spruce and aspen employing SEC/MALDI mass spectroscopy.
    A. Jacobs, J. Lundqvist, H. Stålbrand, F. Tjerneld, O. Dahlman.
    Carbohydrate Reserch, 337, 711-717, 2002. Link
  8. Initial characterisation of ethyl (hydroxyethyl) cellulose using enzymic degradation and chromatographic methods.
    S. Richardson, J. Lundqvist, B. Wittgren, F. Tjerneld, L. Gorton.
    Biomacromolecules, 3, 1359-1363, 2002. Link
  9. Enzymatic properties of the low molecular mass endoglucanases Cel12A (EG III) and Cel45A (EG V) of Trichoderma reesei. 
    J. Karlsson, M. Siika-aho, M. Tenkanen, F. Tjerneld.
    J. Biotechnol. 99, 63-78, 2002. Link
  10. Isolation and characterization of galactoglucomannan from spruce (Picea abies).
    J. Lundqvist, A. teleman, L. Junel, G. Zacchi, O. Dahlman, F. Tjerneld, H. Stålbrand
    Carbohydrate Polymers 48, 29-39, 2002. Link
  11. Mechanism of surfactant effect in enzymatic hydrolysis of lignocellulose.
    T. Eriksson, J. Börjesson, F. Tjerneld.
    Enzyme and Microbial Technology 31, 353-364, 2002. Link
  12. A Model Explaining Declining Rate in Hydrolysis of Lignocellulose Substrates with Cellobiohydrolase I (Cel7A) and Endoglucanase I (Cel7B) of Trichoderma reesei.
    T. Eriksson, J. Karlsson, F. Tjerneld
    Appl.     Biochem. Biotech., 101, 41-60, 2002.
  13. Enzymatic Degradation of Carboxymethyl Cellulose Hydrolyzed by the Endoglucanases Cel45A from Humicola insolens and Cel7B, Cel12A and Cel45Acore from Trichoderma reesei.
    J. Karlsson, D. Momcilovic, B. Wittgren, M. Schulein, F. Tjerneld, G. Brinkmalm
    Biopolymeres 63, 32-40, 2002. Link
  14. Homologous exression and characterization of Cel61A
    (EG IV) of Trichoderma reesei.
    J. Karlsson, M. Saloheimo, M. Siika-aho, M. Tenkanen, M. Penttilä, F. Tjerneld.
    Eur. J. Biochem., FEBS, 268, 6498-6507, 2001. Link
  15. Characterization of acetylated 4-0-methylglucuronoxylan isolated from aspen imploying 1H and 13C NMR spectroscopy.
    Teleman, A., Lundqvist, J., Tjerneld, F., Stålbrand, H., Dahlman, O. 
    Carbohydrate Research, 329, 807-815, 2000. Link
  16. Hydrolytic properties of a b-mannosidase purified from Aspergillus niger.
    P. Ademark, J. Lundqvist, P. Hägglund, M. Tenkanen, N. Torto, F. Tjerneld and H. Stålbrand, 
    J. Biotechnol. 75, 281-289, 1999. Link
  17. Adsorption and activity of Trichoderma reesei cellobiohydrolase I, endoglucanase II and the corresponding core proteins on steam pretreated willow.
    P. Kotiranta, J. Karlsson, J. Medve, M. Siika-aho, L. Viikari, F. Tjerneld and M. Tenkanen.
    Appl. Biochem. Biotechnol., 81, 81-90, 1999. Link
  18. Hydrolysis of steam-pretreated lignocellulose. Synergism and adsorption for cellobiohydrolase I and endoglucanase II of Trichoderma reesei.
    Karlsson, J., Medve, J., Tjerneld, F.
    Appl. Biochem. Biotech. 82, 243-258, 1999. Link
  19. Softwood hemicellulose-degrading enzymes of Aspergillus niger. Purification and properties of a b-mannanase.
    P. Ademark, A. Varga, J. Medve, V. Harjunpää, T. Drakenberg, F. Tjerneld and H. Stålbrand.
    J. Biotechnol. 63, 199-210, 1998. Link
  20. Hydrolysis of microcrystalline cellulose by cellobiohydrolase I and endoglucanase II from Trichoderma reesei: Adsorption, sugar production pattern and synergism of the enzymes.
    Medve, J., Karlsson, J., Lee, D., and Tjerneld, F. Biotechnol. Bioeng. 59, 621-634, 1998. Link
  21. Ion exchange chromatographic purification and quantitative analysis of Trichoderma reesei cellulases. Medve, J., Lee, D., and Tjerneld, F. 
    J. Chromatography, 808, 153-165, 1998. Link
  22. Isotherms for adsorption of cellobiohydrolase I and II from Trichoderma reesei on microcrystalline cellulose. 
    Medve, J., Ståhlberg, J., and Tjerneld, F.  Appl. Biochem. Biotech. 66, 39-56, 1997.
  23. On-line quantitation of enzymatic mannan hydrolysates small-volume bioreactors by microdialysis sampling and column liquid chromatography-integrated pulsed electrochemical detection.
    Torto, N., Marko-Varga, G., Gorton, L., Stålbrand, H., and Tjerneld, F.
    J. Chromatogr. A., 725, 165-175, 1996. Link
  24. Monitoring of enzymatic hydrolysis of ivory nut mannan using on-line microdialysis sampling and anion-exchange chromatography with integrated pulsed electrochemical detection.
    Torto, N., Buttler, T., Gorton, L., Marko-Varga, G., Stålbrand, H., and Tjerneld, F. 
    Analytica Chimica Acta, 313, 15-24, 1995.
  25. Adsorption and synergism of cellobiohydrolase I and II of Trichoderma reesei during hydrolysis of microcrysaline cellulose.
    Medve, J., Ståhlberg, J., and Tjerneld, F.
    Biotechnol. Bioeng. 44, 1064-1073, 1994.
  26. Enzymatic cellulose hydrolysis in an attrition bioreactor combined with an aqueous two-phase system.
    Tjerneld, F., Persson, I., and Lee, J.M.
    Biotechnol. Bioeng. 37, 876-882, 1991.
  27. Fungal cellulolytic enzyme production: a review. 
    Persson, I., Tjerneld, F., and Hahn-Hägerdal, B.
    Process Biochemistry 26, 65-74, 1991.
  28. Kinetic models for enzymic cellulose degradation in aqueous two-phase systems. 
    Mandenius, C.F., Nilsson, B., Persson, I., and Tjerneld, F. Biotechnol. Bioeng. 31, 203-207, 1988.
  29. Enzymatic hydrolysis of cellulose in aqueous two-phase systems. II. Semicontinuous conversion of a model substrate, Solka Floc BW 200.
    Tjerneld, F., Persson, I., Albertsson, P., Hahn-Hägerdal, B. Biotechnol. Bioeng. 27, 1044-1050, 1985.
  30. Enzymatic hydrolysis of cellulose in aqueous two-phase systems. I. Partition of cellulases from Trichoderma reesei.
    Tjerneld, F., Persson, I., Albertsson, P., and Hahn-Hägerdal, B. Biotechnol. 
    Bioeng. 27, 1036-1043, 1985.
  31. Enzyme recycling in cellulose hydrolysis by combined use of aqueous two-phase systems and ultrafiltration. Tjerneld, F., Persson, I., Albertsson, P., Hahn-Hägerdal, B. Biotechnol. Bioeng. Symp. 15, 419-429, 1985.

Articles published before 1985 are not listed above.