2021
|
1. |
Gonzalez Silva, Blanca Magdalena; Jonassen, Kjell Rune; Bakke, Ingrid; Østgaard, Kjetill; Vadstein, Olav. Understanding structure/function relationships in nitrifying microbial communities after cross-transfer between freshwater and seawater. Scientific Reports 2021 ;Volum 11.(2979) s. - NTNU
Untitled
|
2019
|
2. |
Østgaard, Kjetill. Vår historiske bruk av tang og tare. IBT's weekly Department lunch; 2019-02-13 NTNU
Untitled
|
2018
|
3. |
Nordgård, Anna Synnøve Røstad; Bergland, Wenche Hennie; Bakke, Rune; Østgaard, Kjetill; Bakke, Ingrid. Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors. Scientific Reports 2018 ;Volum 8. s. - NTNU USN
Untitled
|
2017
|
4. |
Gonzalez Silva, Blanca Magdalena; Rønning, Are J.; Andreassen, Ingrid Krogrud; Bakke, Ingrid; Cervantes, Francisco J.; Østgaard, Kjetill; Vadstein, Olav. Changes in the microbial community of an anammox consortium during adaptation to marine conditions revealed by 454 pyrosequencing. Applied Microbiology and Biotechnology 2017 ;Volum 101.(12) s. 5149-5162 NTNU
Untitled
|
|
5. |
Hamann, Thorsten; Østgaard, Kjetill. Noen fagfolk er skeptiske. Gudbrandsdølen Dagningen [Avis] 2017-05-08 NTNU
Untitled
|
|
6. |
Henry, Ingrid Annemarie; Kowarz, Viktoria Corina; Østgaard, Kjetill. Aerobic and anoxic biodegradability of amines applied in CO2-capture. International Journal of Greenhouse Gas Control 2017 ;Volum 58. s. 266-275 NTNU
Untitled
|
|
7. |
Nordgård, Anna Synnøve Røstad. Microbial community analysis in developing biogas reactor technology for Norwegian agriculture. Trondheim: NTNU 2017 (ISBN 978-82-326-2681-6) 150 s. USN NTNU
Untitled
|
|
8. |
Nordgård, Anna Synnøve Røstad; Bergland, Wenche Hennie; Vadstein, Olav; Mironov, Vladimir; Bakke, Rune; Østgaard, Kjetill; Bakke, Ingrid. Anaerobic digestion of pig manure supernatant at high ammonia concentrations characterized by high abundances of Methanosaeta and non-euryarchaeotal archaea. Scientific Reports 2017 ;Volum 7:15077. s. 1-14 NTNU USN
Untitled
|
2016
|
9. |
Bakke, Ingrid; Nordgård, Anna Synnøve Røstad; Bergland, Wenche Hennie; Vadstein, Olav; Mironov, Vladimir; Østgaard, Kjetill; Bakke, Rune. Microbial community dynamics in anaerobic digestion at high ammonia concentrations. International Symposium on Microbial Ecology ISME 16; 2016-08-21 - 2016-08-26 USN NTNU
Untitled
|
|
10. |
Gonzalez Silva, Blanca Magdalena; Jonassen, Kjell Rune; Bakke, Ingrid; Østgaard, Kjetill; Vadstein, Olav. Nitrification at different salinities: Biofilm community composition and physiological plasticity. Water Research 2016 ;Volum 95. s. 48-58 NTNU
Untitled
|
|
11. |
Henry, Ingrid Annemarie; Einbu, Aslak; Svendsen, Hallvard Fjøsne; Bakke, Ingrid; Østgaard, Kjetill. Inhibition factors in biofilm N removal systems treating wastes generated by amine based CO2 capture. International Journal of Greenhouse Gas Control 2016 ;Volum 45. s. 200-206 SINTEF NTNU
Untitled
|
|
12. |
Vadstein, Olav; Gonzalez Silva, Blanca Magdalena; Jonassen, Kjell Rune; Østgaard, Kjetill; Bakke, Ingrid. Effect of salinity and salinity change on microbial community assembly and nitrification activity. International Symposium on Microbial Ecology ISME 16; 2016-08-21 - 2016-08-26 NTNU
Untitled
|
|
13. |
Østgaard, Kjetill; Kowarz, Viktoria Corina; Wang, Shuai; Henry, Ingrid Annemarie; Sposob, Michal; Haugen, Hildegunn Hegna; Bakke, Rune. Syringe test screening of microbial gas production activity: Cases denitrification and biogas formation. Journal of Microbiological Methods 2016 ;Volum 132.(January) s. 119-124 USN NTNU
Untitled
|
2015
|
14. |
Gonzalez Silva, Blanca Magdalena; Jonassen, Kjell Rune; Bakke, Ingrid; Østgaard, Kjetill; Vadstein, Olav. Nitrification at different salinities: biofilm community composition and physiological plasticity. IWA Nutrient Removal and Recovery 2015: Moving innovation into practice; 2015-05-18 - 2015-05-21 NTNU
Untitled
|
|
15. |
Gonzalez Silva, Blanca Magdalena; Rønning, Are Johan; Andreassen, Ingrid Krogrud; Bakke, Ingrid; Østgaard, Kjetill; Cervantes, Francisco J.; Vadstein, Olav. Adaptation of a freshwater Anammox consortium to marine conditions to achieve nitrogen removal. 14th World Congress on Anaerobic Digestion; 2015-11-15 - 2015-11-18 NTNU
Untitled
|
|
16. |
Nordgård, Anna Synnøve Røstad; Bergland, Wenche Hennie; Bakke, Rune; Vadstein, Olav; Østgaard, Kjetill; Bakke, Ingrid. Microbial community dynamics and biogas production from manure fractions in sludge bed anaerobic digestion. Journal of Applied Microbiology 2015 ;Volum 119.(6) s. 1573-1583 NTNU USN
Untitled
|
2014
|
17. |
Hauser, Ingrid; Einbu, Aslak; Svendsen, Hallvard Fjøsne; Østgaard, Kjetill. Biological treatment of effluents generated by amine based CO2-capture plants. Journal of Energy Challenges and Mechanics 2014 ;Volum 1.(4) s. - NTNU SINTEF
Untitled
|
|
18. |
Nordgård, Anna Synnøve Røstad; Bergland, Wenche Hennie; Bakke, Rune; Østgaard, Kjetill; Bakke, Ingrid. Microbial community changes in granule-based UASB reactors due to substrate and load changes. 2nd International Conference on Biogas Microbiology ICBM; 2014-06-10 - 2014-06-12 USN NTNU
Untitled
|
2013
|
19. |
Hauser, Ingrid; Einbu, Aslak; Østgaard, Kjetill; Borges Colaco, Ana; Skjæran, Julie Anita; Svendsen, Hallvard Fjøsne; Cervantes, Francisco Javier. Biological N Removal from Wastes Generated from Amine-Based CO2 Capture: Case Monoethanolamine. Applied Biochemistry and Biotechnology (ABAB) 2013 ;Volum 169.(4) s. 1449-1458 SINTEF NTNU
Untitled
|
|
20. |
Hauser, Ingrid; Einbu, Aslak; Østgaard, Kjetill; Svendsen, Hallvard Fjøsne; Cervantes, Francisco Javier. Biodegradation of amine waste generated from post-combustion CO2 capture in a moving bed biofilm treatment system. Biotechnology Letters 2013 ;Volum 35.(2) s. 219-224 NTNU SINTEF
Untitled
|
2012
|
21. |
Nordgård, Anna Synnøve Røstad; Bakke, Ingrid; Brakstad, Odd Gunnar; Østgaard, Kjetill. Detection of methanogenic archaea in DGGE by the use of primers for Methyl-Coenzyme M Reductase A (mcrA) genes. Nordic Biogas Conference; 2012-04-23 - 2012-04-25 OCEAN NTNU
Untitled
|
|
22. |
Olsen, Yngvar; Skjermo, Jorunn; Aasen, Inga-Marie; Østgaard, Kjetill. Fra tanke til tank. Adresseavisen - Bil & trafikk [Avis] 2012-03-20 OCEAN NTNU SINTEF
Untitled
|
2008
|
23. |
Vadstein, Olav; Østgaard, Kjetill. Miljøbioteknologi. TEKNA Biologiseminar; 2008-04-08 - 2008-04-08 NTNU
Untitled
|
2003
|
24. |
Rasmussen, Kjetil; Østgaard, Kjetill. Adhesion of the marine bacterium Pseudomonas sp. NCIMB 2021 to different hydrogel surfaces. Water Research 2003 ;Volum 37. s. 519-524 NTNU
Untitled
|
2002
|
25. |
Rasmussen, Kjetil; Willemsen, Peter R.; Østgaard, Kjetill. Barnacle settlement on hydrogels. Biofouling (Print) 2002 ;Volum 18.(3) s. 177-191 NTNU
Untitled
|
|
26. |
Strand, Sabina P.; Nordengen, Thomas; Østgaard, Kjetill. Efficiency of chitosans applied for flocculation of different bacteria. Water Research 2002 ;Volum 36.(19) s. 4745-4752 NTNU
Untitled
|
|
27. |
Strand, Sabina P.; Vårum, Kjell Morten; Østgaard, Kjetill. Interactions between chitosans and bacterial suspensions: adsorption and flocculation. Colloids and Surfaces B: Biointerfaces 2002 ;Volum 27. s. 71-81 NTNU
Untitled
|
|
28. |
Vogelsang, Christian; Schramm, Andreas; Picioreanu, Cristian; van Loosdrecht, Mark C.M.; Østgaard, Kjetill. Microbial community analysis by FISH for mathematical modelling of selective enrichment of gel-entrapped nitrifiers obtained from domestic wastewater. Hydrobiologia 2002 ;Volum 469. s. 165-178 NTNU
Untitled
|
2001
|
29. |
Horn, S.J.; Østgaard, Kjetill. Alginate lyase activity and acidogenesis during fermentation of Laminaria hyperborea. Journal of Applied Phycology 2001 ;Volum 13. s. 143-152 NTNU
Untitled
|
|
30. |
Rasmussen, Kjetil; Østgaard, Kjetill. Adhesion of the marine fouling diatom Amphora coffeaeformis to non-solid gel surfaces. Biofouling (Print) 2001 ;Volum 17.(2) s. 103-115 NTNU
Untitled
|
|
31. |
Rasmussen, Kjetil; Østgaard, Kjetill. Adhesion of the marine fouling diatom Amphora coffeaeformis to non-solid gel surfaces. Workshop on environmentally friendly marine coatings; 2001-10-19 NTNU
Untitled
|
|
32. |
Strand, Sabina P.; Tømmeraas, Kristoffer; Vårum, Kjell Morten; Østgaard, Kjetill. Electrophoretic light scattering studies of chitosans with different degrees of N-acetylation. Biomacromolecules 2001 ;Volum 2.(4) s. 1310-1314 NTNU
Untitled
|
|
33. |
Strand, S.P.; Vandvik, M.S.; Vårum, Kjell Morten; Østgaard, Kjetill. Screening of chitosans and conditions for bacterial flocculation. Biomacromolecules 2001 ;Volum 2.(1) s. 126-133 NTNU
Untitled
|
2000
|
34. |
Horn, S J.; Aasen, I M.; Østgaard, Kjetill. Ethanol production from seaweed extract. Journal of Industrial Microbiology & Biotechnology 2000 ;Volum 25. s. 249-254 NTNU
Untitled
|
|
35. |
Horn, S J.; Aasen, I M.; Østgaard, Kjetill. Production of ethanol from mannitol by Zymobacter palmae. Journal of Industrial Microbiology & Biotechnology 2000 ;Volum 24. s. 51-57 NTNU
Untitled
|
|
36. |
Rasmussen, Kirsten; Østgaard, Kjetill. In situ autofluorescence detection of a fouling marine diatom on different surfaces. Biofouling (Print) 2000 ;Volum 15.(4) s. 275-286 NTNU
Untitled
|
|
37. |
Vogelsang, Christian; Wijffels, René H.; Østgaard, Kjetill. Rheological properties and mechanical stability of new gel-entrapment systems applied in bioreactors. Biotechnology and Bioengineering 2000 ;Volum 70.(3) s. 247-253 NTNU
Untitled
|
1999
|
38. |
Horn, Svein Jarle; Moen, Einar; Østgaard, Kjetill. Direct determination of alginate content in brown algae by near infra-red (NIR) spectroscopy. Journal of Applied Phycology 1999 ;Volum 11. s. 9-13 NTNU
Untitled
|
|
39. |
Moen, Einar; Larsen, Bjørn; Østgaard, Kjetill; Jensen, Arne. Alginate stability during high salt preservation of Ascophyllum nodosum. Journal of Applied Phycology 1999 s. 21-25 NTNU
Untitled
|
|
40. |
Prochazkova, Sabina; Vårum, Kjell Morten; Østgaard, Kjetill. Quantitative determination of chitosans by ninhydrin. Carbohydrate Polymers 1999 s. 115-122 NTNU
Untitled
|
|
41. |
Vogelsang, Christian; Gollembiewski, K.; Østgaard, Kjetill. Effect of preservation techniques on the regeneration of gel entrapped nitrifying sludge. Water Research 1999 ;Volum 33.(1) s. 164-168 NTNU
Untitled
|
1998
|
42. |
Østgaard, Kjetill. Miljøbehandling. Bioteknologinemndas 12. åpne møte den 18. mars 1998; 1998 NTNU
Untitled
|
1997
|
43. |
Lie, Ewa; Christensson, Magnus; Jönsson, Karin; Østgaard, Kjetill; Johansson, Per; Welander, Thomas. Carbon and phosphorus transformations in a full-scale enhanced biological phosphorus removal process. Water Research 1997 ;Volum 31.(11) s. 2693-2698 NTNU
Untitled
|
|
44. |
Moen, Einar; Horn, Svein; Østgaard, Kjetill. Alginate degradation during anaerobic digestion of Laminaria hyperborea stipes. Journal of Applied Phycology 1997 ;Volum 9. s. 157-166 NTNU
Untitled
|
|
45. |
Moen, Einar; Horn, Svein; Østgaard, Kjetill. Biological degradation of Ascophyllum nodosum. Journal of Applied Phycology 1997 s. 347-357 NTNU
Untitled
|
|
46. |
Moen, Einar; Larsen, Bjørn; Østgaard, Kjetill. Aerobic microbial degradation of alginate in Laminaria hyperborea stipes containing different levels of polyphenols. Journal of Applied Phycology 1997 ;Volum 9. s. 45-54 NTNU
Untitled
|
|
47. |
Moen, Einar; Østgaard, Kjetill. Aerobic digestion of Ca-alginate gels studies as a model system of seaweed tissue degradation. Journal of Applied Phycology 1997 ;Volum 9. s. 261-267 NTNU
Untitled
|
|
48. |
Rødde, Ruth Solveig Hagen; Østgaard, Kjetill; Larsen, Bjørn. Chemical composition of protoplasts of Laminaria digitata (Phaeophyceae). Botanica Marina 1997 ;Volum 40. s. 385-390 NTNU
Untitled
|
|
49. |
Vogelsang, Christian; Husby, Asbjørn; Østgaard, Kjetill. Functional stability of temperature-compensated nitrification in domestic wastewater treatment obtained with PVA-SBQ/alginate gel entrapment. Water Research 1997 ;Volum 31.(7) s. 1659-1664 NTNU
Untitled
|
1995
|
50. |
Christensson, Magnus; Jönsson, Karin; Lee, Natuschka; Lie, Ewa; Johansson, Per; Welander, Thomas; Østgaard, Kjetill. Utv@ærdering av biologisk fosforavskiljning vid @Øresundsverket i Helsingborg : processtekniska och mikrobiologiska aspekter. : Svenska vatten- och avloppsverksf@øreningen 1995 103 s. VA-FORSK-serien(1995-04) NTNU
Untitled
|