[1] Jetten, M.S.M., Horn, S.J., van Loosdrecht, M.C.M., 1997, Towards a more sustainable municipal wastewater treatment system. Water Science and Technology, 35(9), 171-180.

[2] Moen, E., Horn, S., Ostgaard, K., 1997, Biological degradation of Ascophyllum nodosum. Journal of Applied Phycology, 9(4), 347-357.

[3] Moen, E., Horn, S., Ostgaard, K., 1997, Alginate degradation during anaerobic digestion of Laminaria hyperborea stipes. Journal of Applied Phycology, 9(2), 157-166.

[4] Horn, S.J., Moen, E., Ostgaard, K., 1999, Direct determination of alginate content in brown algae by near infra-red (NIR) spectroscopy. Journal of Applied Phycology, 11(1), 9-13.

[5] Horn, S.J., Aasen, I.M., Ostgaard, K., 2000, Ethanol production from seaweed extract. Journal of Industrial Microbiology & Biotechnology, 25(5), 249-254.

[6] Horn, S.J., Aasen, I.M., Ostgaard, K., 2000, Production of ethanol from mannitol by Zymobacter palmae. Journal of Industrial Microbiology & Biotechnology, 24(1), 51-57.

[7] Horn, S.J., Ostgaard, K., 2001, Alginate lyase activity and acidogenesis during fermentation of Laminaria hyperborea. Journal of Applied Phycology, 13(2), 143-152.

[8] Horn, S.J., Eijsink, V.G.H., 2004, A reliable reducing end assay for chito-oligosaccharides. Carbohydrate Polymers, 56(1), 35-39.

[9] Aspmo, S.I., Horn, S.J., Eijsink, V.G.H., 2005, Enzymatic hydrolysis of Atlantic cod (Gadus morhua L.) viscera. Process Biochemistry, 40(5), 1957-1966.

[10] Hoell, I.A., Klemsdal, S.S., Vaaje-Kolstad, G., Horn, S.J., Eijsink, V.G., 2005, Overexpression and characterization of a novel chitinase from Trichoderma atroviride strain P1. Biochim Biophys Acta, 1748(2), 180-90.

[11] Sikorski, P., Stokke, B.T., Sorbotten, A., Varum, K.M., Horn, S.J., Eijsink, V.G., 2005, Development and application of a model for chitosan hydrolysis by a family 18 chitinase. Biopolymers, 77(5), 273-85.

[12] Sorbotten, A., Horn, S.J., Eijsink, V.G., Varum, K.M., 2005, Degradation of chitosans with chitinase B from Serratia marcescens. Production of chito-oligosaccharides and insight into enzyme processivity. Febs J, 272(2), 538-49.

[13] Aspmo, S.I., Horn, S.J., Eijsink, V.G.H., 2005, Use of hydrolysates from Atlantic cod (Gadus morhua L.) viscera as complex nitrogen source for lactic acid bacteria. FEMS Microbiology Letters, 248(1), 65-68.

[14] Aspmo, S.I., Horn, S.J., Eijsink, V.G.H., 2005, Hydrolysates from Atlantic cod (Gadus morhua L.) viscera as components of microbial growth media. Process Biochemistry, 40(12), 3714-3722.

[15] Horn, S.J., Aspmo, S.I., Eijsink, V.G.H., 2005, Growth of Lactobacillus plantarum in media containing hydrolysates of fish viscera. Journal of Applied Microbiology, 99(5), 1082-1089

[16] Vaaje-Kolstad, G., Horn, S.J., van Aalten, D.M.F.,  Synstad, B., Eijsink, V.G.H., 2005, The non-catalytic chitin-binding protein CBP21 from Serratia marcescens is essential for chitin degradation. Journal of Biological Chemistry, 280 (31), 28492-28497.

[17] Horn, S.J., Sørlie, M., Vaaje-Kolstad, G., Norberg, A.L., Synstad, B., Vårum, K.M., Eijsink, V.G.H., 2006, Comparative studies of chitinases A, B and C from Serratia marcescens. Biocatalysis and Biotransformation, 24 (1/2), 39-53.

[18] Horn, S.J., Sørbotten, A., Synstad, B., Sikorski, P., Sørlie, M., Vårum, K.M., Eijsink, V.G.H., 2006, Endo/exo mechanism and processivity of three family 18 chitinases that make up the chitinolytic machinery of Serratia marcescens. Febs Journal, 273, 491-503.

[19] Sikorski, P., Sørbotten, A., Horn, S.J., Eijsink, V.G.H., Vårum, K.M, 2006, Serratia marcescens chitinases with “tunnel-shaped” substrate-binding grooves show endo-activity and different degrees of processivity during enzymatic  hydrolysis of chitosan,  Biochemistry, 45, 9566-9574.

[20] Horn, S.J., Sikorski, P, Cederkvist, J.B., Vaaje-Kolstad, G., Sørlie, M., Synstad, B., Vriend, G., Vårum, K.M., Eijsink, V.G.H., 2006, Costs and benefits of processivity in enzymatic degradation of recalcitrant polysaccharides. PNAS, 103 (48), 18089-18094.

[21] Horn, S.J., Aspmo, S.I., Eijsink, V.G.H., 2007, Evaluation of different cod viscera fractions and their seasonal variation used in a growth medium for lactic acid bacteria. Enzyme and Microbial Technology, 40, 1328-1334.

[22] Krokeide, I.M., Synstad, B., Gåseidnes, S., Horn, S.J., Eijsink, V.G.H., Sørlie, M., 2007, Natural Substrate Assay for Chitinases Using High Performance Liquid Chromatography: A Comparison with Existing Assays. Analytical biochemistry, 363, 128-134.

[23] Synstad, B., Vaaje-Kolstad, G., Cederkvist, F.H.,  Saua, S.F., Horn, S.J, Eijsink, V.G.H., Sørlie, M., 2008, Natural Expression and characterization of endochitinase C from Serratia marcescens BJL200 and its purification by a one-step general chitinase purification method. Bioscience, Biotechnology, and Biochemistry. 72 (3), 715-723.

[24] Treimo, J.R., Eijsink, V.G.H., Horn, S.J., 2008, Enzymatic solubilization of proteins in brewer’s spent grain. J. Agric. Food Chem,.56 (13), 5359-5365.

[25] Eijsink, V.G.H., Vaaje-Kolstad, G., Vårum, K. M.,  Horn, S.J., 2008, Towards new enzymes for biofuels: lessons from chitinase research . Trends in Biotechnology, 26 (5), 228-235.

[26] Treimo, J., Westereng, B., Horn, S.J., Forssell, P., Robertson, J., Faulds, C., Waldron, K., Buchert, J., Eijsink, V.G.H., 2009, Enzymatic solubilization of brewers’ spent grain by combined action of carbohydrases and peptidases. J. Agric. Food Chem., 57, 3316-3324.

[27] Zakariassen, H., Aam, B.B., Horn, S.J., Vårum, K.M., Sørlie, M., Eijsink, V.G.H., 2009, Aromatic residues in the catalytic center of Chitinase A from Serratia marcescens affect processivity, enzyme activity and biomass-converting efficiency. Journal of Biological Chemistry, 284, 10610-10617.

[28] Horn, S.J., Eijsink, V.G.H., 2010, Enzymatic hydrolysis of steam exploded hardwood using short processing times. Bioscience, Biotechnology, and Biochemistry, 74 (6), 1157-1163.

[29] Vaaje-Kolstad, G., Westereng, B., Horn, S.J., Liu, Z., Zhai, H., Sørlie, M., and Eijsink, V.G.H., 2010, An Oxidative Enzyme Boosting the Enzymatic Conversion of Recalcitrant Polysaccharides. Science, 330 (6001), 219-222.

[30] Horn, S.J., Nguyen, Q.D., Westereng, B., Nilsen, P., Eijsink, V.G.H., 2011, Screening of steam explosion of wheat straw for enzymatic hydrolysis and ethanol fermentation, Biomass and Bioenergy, 35 (12), 4879-4886.

[31] Blomqvist, J., South, E., Tiukova, L., Haddad, Momeni, M.H., Hansson, H., Ståhlberg, J., Horn, S.J., Schnürer, J., Passoth, V., 2011, Fermentation of lignocellulosic hydrolysate by the alternative industrial ethanol yeast Dekkera bruxellensis, Letters in Applied Microbiology, 53 (1), 73-78.

[32] Horn, S.J., Estevez. M.M., Nielsen, H.K., Linjordet, R., Eijsink, V.G.H., 2011, Biogas production and saccharification of Salix pretreated at different steam explosion conditions, Bioresource Technology, 102 (17), 7932-7936.

[33] Forsberg, Z., Vaaje-Kolstad, G., Westereng, B., Bunæs, A.C., Stenstrøm, Y., MacKenzie, A., Sørlie, M., Horn, S.J., Eijsink, V.G.H., 2011, Cleavage of cellulose by a CBM33 protein, Protein Science, 20 (9), 1479-1483.

[34] Westereng, B, Ishida, T, Vaaje-Kolstad, G, Wu, M., Eijsink, V.G.H., Igarashi, K, Samejima, M., Stålberg, J., Horn, S.J., Sandgren , M. 2011, The putative endoglucanase PcGH61D from Phanerochaete chrysosporium is a metal-dependent oxidative enzyme that cleaves cellulose, PLoS ONE, 6(11): e27807.

[35] Vivekanand, V., Eijsink, V.G.H., Horn, S.J., 2012, Biogas production from the brown seaweed Saccharina latissima: thermal pretreatment and co-digestion with wheat straw, Journal of Applied Phycology, 24 (5), 1295-1301.

[36] Schütt, F., Westereng, B., Horn, S.J., Puls, J., Saake, B., 2012, Steam refining as an alternative to steam explosion, Bioresource Technology, 111, 476-481.

[37] Horn, S.J., Sørlie, M., Vårum, K.M., Väljamäe, P., Eijsink, V.G.H., 2012, Measuring processivity, Methods in Enzymology, 510, 69-96.

[38] Horn, S.J., Vaaje-Kolstad, G., Westereng, B., Eijsink, V.G.H., 2012, Novel enzymes for the degradation of cellulose, Biotechnology for Biofuels, 5, 45.

[39] Vivekanand,V., Ryden,P., Horn, S.J., Tapp, H.S., Wellnerd, N., Eijsink, V.G.H., Waldron, K.W., 2012, Impact of steam explosion on biogas production from rape straw in relation to changes in chemical composition, Bioresource Technology, 123, 608-615.

[40] Payne, C.M., Baban, J., Horn, S.J., Backe, P.H., Arvai, A.S., Dalhus, B., Bjørås, M., Eijsink, V.G.H., Sørlie,  M., Beckham, G.T., Vaaje-Kolstad, G., 2012, Hallmarks of processivity in glycoside hydrolases from crystallographic and computational studies of the Serratia marcescens chitinases, Journal of Biological Chemistry, 287, 36322-36330.

[41] Westereng, B., Agger, J.W., Horn, S.J., Vaaje-Kolstad, G., Aachmann, F.L., Stenstrøm, Y.H., Eijsink, V.G.H., 2013, Efficient separation of oxidized cello-oligosaccharides generated by cellulose degrading lytic polysaccharide monooxygenases, Journal of Chromatography A, 1271, 144-152.

[42] Pope, P.B., Vivekanand, V., Eijsink, V.G.H., Horn, S.J., 2013, Microbial Community Structure in a Biogas Digester Utilizing the Marine Energy Crop Saccharina latissima, 3 Biotech, 3, 407-414.

[43] Vivekanand, V., Olsen, E.F., Eijsink, V.G.H., Horn, S.J., 2013, Effect of different steam explosion conditions on methane potential and enzymatic saccharification of birch, Bioresource Technology, 127, 343-349.

[44] Wu, M., Beckham, G.T., Larsson, A.M., Ishida, T., Kim, S., Crowley, M.F., Payne, C.M., Horn, S.J., Westereng, B., Ståhlberg, J., Eijsink, V.G.H., Sandgren, M., 2013, Structural and computational characterization of the lytic polysaccharide monooxygenase GH61D from the basidiomycota fungus Phanerochaete chrysosporium, Journal of Biological Chemistry, 288, 12828-12839.

[45] Vaaje-Kolstad, G., Horn, S.J., Sørlie, M., Eijsink, V.G.H., 2013,The chitinolytic machinery of Serratia marcescens – a model system for enzymatic degradation of recalcitrant polysaccharides, FEBS Journal, 280, 3028-3049.

[46] Risberg, K., Suna, L., Levén, L., Horn, S.J., Schnürer, A., 2013, Biogas production from wheat straw and manure – impact of pretreatment and process operating parameters. Bioresource Technology,149, 232-237.

[47] Tiukova, I., de Barros Pita, W., Sundell, D., Haddad momeni, M., Horn, S.J., Ståhlberg, J., de Morais Jr., M.A., Passoth, V., 2014, Adaptation of Dekkera bruxellensis to lignocellulose-based substrate. Biotechnol Appl Biochem, 61 (1), 51-57.

[48] Agger, J. W., Eijsink, V.G.H., Horn, S.J., 2014, On the determination of water content in biomass. Bioenerg. Res., 7, 442-449.

[49] Isaksen, T., Westereng, B., Aachmann, F.L., Agger, J.W., Ludwig, R., Haltrich, D., Eijsink, V.G.H., Horn, S.J., 2014, A C4-oxidizing lytic polysaccharide monooxygenase cleaving both cellulose and cello-oligosaccharides, 289, 2632-2642.

[50] Ryden, P., Gautier, A., Wellner, N., Tapp, H.S., Horn, S.J., Eijsink, V.G.H., Waldron, K.W., 2014, Changes in the composition of the main polysaccharide groups of oil seed rape straw following steam explosion and saccharification. Biomass and Bioenergy, 61, 121-130.

[51] Vivekanand, V., Olsen, E.F., Eijsink, V.G.H., Horn, S.J., 2014, Methane potential and enzymatic saccharification of steam exploded bagasse. BioResources, 9(1), 1311-1324.

[52] Agger, J.W., Isaksen, T., Várnai, A., Vidal-Melgosa, S., Willats, W.G.T., Ludwig, R., Horn, S.J., Eijsink, V.G.H., Westereng, B., 2014, Discovery of LPMO activity on hemicelluloses shows the importance of oxidative processes in plant cell wall degradation. PNAS, 111(17), 6287-6292.

[53] Estevez. M.M., Linjordet, R., Horn, S.J., Morken, J., 2014, Improving nutrient fixation and dry matter content of an ammonium-rich anaerobic digestion effluent by struvite formation and clay adsorption. Water Science and Technology, 70(2):337-344.

[54] Bauer, A., Lizasoain, J., Theuretzbacher, F., Agger, J.W., Rincón, M., Menardo, S., Saylor, M.K., Enguidanos, R., Nilsen, P.J., Gronauer, A., Horn, S.J., 2014, Steam explosion pretreatment for enhancing biogas production of late harvested hay. Bioresource Technology, 166, 403-410.

[55] Hagen, L.H., Vivekanand, V., Linjordet, R., Pope, P.B., Eijsink, V.G.H., Horn, S.J., 2014, Microbial community structure and dynamics during co-digestion of whey and cow manure in CSTR systems. Bioresource Technology, 171: 350-359.

[56] Solli, L., Håvelsrud, O.E., Horn, S.J., Rike, A.G., 2014, Metagenomic characterization of the microbial communities in parallel biogas reactors co-digesting fish ensilage and manure. Biotechnology for Biofuels, 7, 146.

[57] Hagen, L.H., Vivekanand, V., Pope, P.B., Eijsink, V.G.H., Horn, S.J., 2015, The effect of storage conditions on microbial community composition and biomethane potential in a biogas starter culture. Applied Microbiology and Biotechnology, 99(13):5749-5761.

[58] Theuretzbacher, F., Blomqvist, J., Lizasoain, J., Klietz, L., Potthast, A., Horn, S.J., Nilsen, P.J., Gronauer, A., Passoth, V., Bauer, A., 2015, The effect of a combined biological and thermo-mechanical pretreatment of wheat straw on energy yields in coupled ethanol and methane generation. Bioresource Technology, 194, 7-13.

[59] Müller, G., Várnai, A., Johansen, K.S., Eijsink, V.G.H., Horn, S.J., 2015, Harnessing the potential of LPMO-containing cellulase cocktails poses new demands on processing conditions. Biotechnology for Biofuels, 8,187.

[60] Solli, L., Horn, S.J., Schnürer, A., 2015, Population dynamics of acetate oxidizing bacteria and methanogens during anaerobic digestion of fish waste. Biomass and Bioenergy, under review.

[60] Sharma, S., Horn, S.J., 2016, Enzymatic saccharification of brown seaweed for production of fermentable sugars. Bioresource Technology, 213, 155-161.

[61] Zamanzadeh, M., Hagen, L.H., Svensson, K., Linjordet, R., Horn, S.J., 2016, Anaerobic digestion of food waste - effect of recirculation and temperature on performance and microbiology. Water Research, 96, 246–254.

[62] Frank, J. A., Arntzen, M. Ø., Sun, L., Hagen, L. H., McHardy, A. C., Horn, S. J., Eijsink, V.G.H,  Schnürer, A., Pope, P. B., 2016, Novel Syntrophic Populations Dominate an Ammonia-Tolerant Methanogenic Microbiome. mSystems, 1(5), e00092-16.

[63] Müller, G., Kalyani, D.C., Horn, S.J., 2017, LPMOs in cellulase mixtures affect fermentation strategies for lactic acid production from lignocellulosic biomass. Biotechnology and Bioengineering, 114: 552–559.

[64] Hagen, L. H., Frank, J. A., Zamanzadeh, M., Eijsink, V. G., Pope, P. B., Horn, S. J., & Arntzen, M. Ø., 2017. Quantitative metaproteomics highlight the metabolic contributions of uncultured phylotypes in a thermophilic anaerobic digester. Applied and Environmental Microbiology, Applied and Environmental Microbiology, 83:e01955-16.

[65] Svensson, K, Kjørlaug, O, Horn, SJ, Agger, JW, 2017, Comparison of approaches for organic matter determination in relation to expression of bio-methane potentials. Biomass and Bioenergy, 100: 31-38.

[66] Chylenski, P., Forsberg, Z., Ståhlberg, J., Várnai, A., Lersch, M., Bengtsson, O. Sæbø, S., Horn, S.J., Eijsink, V.G.H. (2017). Development of minimal enzyme cocktails for hydrolysis of sulfite-pulped lignocellulosic biomass. Journal of Biotechnology, 246, 16-23.

[67] Kalyani, D.C., Zamanzadeh, M., Müller, G., Horn, SJ, 2017, Biofuel production from birch wood by combining high solid loading simultaneous saccharification and fermentation and anaerobic digestion, Applied Energy, 193: 210-219.

[68] Zhanliang Liu, Laurie M. Gay, Tina Tuveng, Jane Wittrup Agger, Bjorge Westereng, Geir Mathiesen, Svein Horn, Gustav Vaaje-Kolstad, Daan M. F. Van Aalten, and Vincent Eijsink, 2017, Structure and function of a broad-specificity chitin deacetylase from Aspergillus nidulans FGSC A4, Scientific Reports, 7:1746.

[69] Kalyani, D.C., Fakin, T., Horn, SJ, Tschentscher, R., 2017, Valorisation of woody biomass by combining enzymatic saccharification and pyrolysis. Green Chemistry, 19, 3302-3312.

[70] Kosa, G., Kohler, A., Tafintseva, V., Zimmermann, B., Forfang, K., Afseth, N. K., Tzimorotas, D., Vuoristo, K.S., Horn, S.J., Mounier, J., Shapaval, V., 2017, Microtiter plate cultivation of oleaginous fungi and monitoring of lipogenesis by high-throughput FTIR spectroscopy. Microbial cell factories, 16(1), 101.

[71] Chylenski, P., Petrović, D. M., Müller, G., Dahlström, M., Bengtsson, O., Lersch, M, Siika-aho, M., Horn, SJ., Eijsink, V.G.H, 2017, Enzymatic degradation of sulfite-pulped softwoods and the role of LPMOs, Biotechnology for Biofuels, 10, 177.

[72] Aarum, I., Devle, H., Ekeberg, D., Horn, S. J., Stenstrøm, Y., 2017, The effect of flash pyrolysis temperature on compositional variability of pyrolyzates from birch lignin. Journal of Analytical and Applied Pyrolysis, 127, 211-222.

[73] Ravanal, M. C., Sharma, S., Gimpel, J., Reveco-Urzua, F. E., Øverland, M., Horn, S. J., & Lienqueo, M. E., 2017, The role of alginate lyases in the enzymatic saccharification of brown macroalgae, Macrocystis pyrifera and Saccharina latissima. Algal Research, 26, 287-293.

[74] Bissaro, B., Røhr, Å. K., Müller, G., Chylenski, P., Skaugen, M., Forsberg, Z., Horn, S.J., Vaaje-Kolstad, G., Eijsink, V. G. H. (2017). Oxidative cleavage of polysaccharides by monocopper enzymes depends on H2O2. Nature chemical biology, 13, 1123-1128.

[75] Greses, S., Gaby, J. C., Aguado, D., Ferrer, J., Seco, A., Horn, S. J., 2017, Microbial community characterization during anaerobic digestion of Scenedesmus spp. under mesophilic and thermophilic conditions. Algal Research, 27, 121-130.

[76] Vivekanand, V., Mulat, D. G., Eijsink, V. G., Horn, S. J., 2018, Synergistic effects of anaerobic co-digestion of whey, manure and fish ensilage. Bioresource technology, 249, 35-41.

[77] Zamanzadeh, M., Hagen, L. H., Svensson, K., Linjordet, R., & Horn, S. J., 2017, Biogas production from food waste via co-digestion and digestion-effects on performance and microbial ecology. Scientific Reports, 7(1), 17664.

[78] Gaby, J. C., Zamanzadeh, M., & Horn, S. J., 2017, The effect of temperature and retention time on methane production and microbial community composition in staged anaerobic digesters fed with food waste. Biotechnology for Biofuels, 10, 302.

[79] Svensson, K., Kjørlaug, O., Higgins, M. J., Linjordet, R., & Horn, S. J., 2018, Post-anaerobic digestion thermal hydrolysis of sewage sludge and food waste: Effect on methane yields, dewaterability and solids reduction. Water Research, 132, 158-166

[80] Mulat, D.G., Huerta, S.G., Kalyani, D., & Horn, S. J., 2018, Enhancing methane production from lignocellulosic biomass by combined steam-explosion pretreatment and bioaugmentation with cellulolytic bacterium Caldicellulosiruptor bescii. Biotechnology for Biofuels, 11, 19.

[81] Solli, L., Schnürer, A.L., Horn, S.J., 2018, Process performance and population dynamics of ammonium tolerant microorganisms during co-digestion of fish waste and manure. Renewable Energy, 125, 529-536.

[82] Mulat, D. G., Dibdiakova, J., & Horn, S. J. (2018). Microbial biogas production from hydrolysis lignin: insight into lignin structural changes. Biotechnology for biofuels, 11(1), 61.

[83] Sharma, S., Neves, L., Funderud, J., Mydland, L. T., Øverland, M., & Horn, S. J. (2018). Seasonal and depth variations in the chemical composition of cultivated Saccharina latissima. Algal Research, 32, 107-112.

[84] Dragicevic, I., Eich-Greatorex, S., Sogn, T. A., Horn, S. J., & Krogstad, T. (2018). Use of high metal-containing biogas digestates in cereal production-Mobility of chromium and aluminium. Journal of environmental management, 217, 12-22.

[85] Gergely, (2018) Assessment of the scalability of a microtiter plate system for screening of oleaginous microorganisms. Applied Microbiology and Biotechnology, 102(11), 4915-4925.

[86] Ida Aarum , Hanne Devle, Dag Ekeberg, Svein J. Horn, and Yngve Stenstrøm (2018) Characterization of Pseudo-Lignin from Steam Exploded Birch, ACS Omega, 3 (5), pp 4924–4931.

[87] Sharma, S., Hansen, L. D., Hansen, J. Ø., Mydland, L. T., Horn, S. J., Øverland, M., Eijsink, V.G.H & Vuoristo, K. S. (2018). Microbial protein produced from brown seaweed and spruce wood as a feed ingredient. Journal of agricultural and food chemistry. 66 (31), 8328–8335.

[88] Müller, G., Chylenski, P., Bissaro, B., Eijsink, V.G.H, & Horn, S.J. (2018). The impact of hydrogen peroxide supply on LPMO activity and overall saccharification efficiency of a commercial cellulase cocktail. Biotechnology for Biofuels, 11:209.

[89] Lapeña, D., Vuoristo, K. S., Kosa, G., Horn, S. J., & Eijsink, V. G.H. (2018). A comparative assessment of enzymatic hydrolysis for valorization of different protein-rich industrial by-products. Journal of Agricultural and Food Chemistry. DOI: 10.1021/acs.jafc.8b02444.