Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2022
Authors
Kjersti Holt HanssenAbstract
No abstract has been registered
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Knut ØistadAbstract
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Authors
Alejandro Belanche Alexander N. Hristov Henk Van Lingen Stuart J Denman Ermias Kebreab Angela Dagmar Schwarm Michael Kreuzer Maguy A. Eugène Mark McGee Christopher K. Reynolds Les A. Crompton Ali-Reza Bayat Zhongtang Yu André Bannink Jan Dijkstra Alex V. Chaves Harry Clark Stefan Muetzel Vibeke Lind Jon M. Moorby John Rooke Walter Antezana Mi Wang Roger Hegarty Jean Victor Savian Adibe Luiz Abdalla Alda Lucia Gomes Monteiro Juan Carlos Ku-Vera Gustavo Jaurena Carlos Gomez Olga Mayorga Guilhermo de Souza David R. Yáñez-RuízAbstract
No abstract has been registered
Authors
Markus A. K. Sydenham Joseph Chipperfield Yoko L. Dupont Katrine Eldegard Stein Joar Hegland Henning Bang Madsen Anders Nielsen Jens M* Olesen Claus Rasmussen Trond Reitan Graciela Rusch Astrid Brekke Skrindo Zander VenterAbstract
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Abstract
Three strains of chlorophyte microalgae indigenous in Norway were studied regarding their potential for nutrient removal and resource recovery from wastewater. The nutrient uptake, growth, and cell composition (total proteins and carbohydrates) were monitored under a controlled batch environment for 14 days. Additionally, the fatty acids were analyzed at the end of the study. The fastest nutrient removal was achieved by Lobochlamys segnis F12 that used up NH4+ (28 mg L-1) and PO43- (15 mg L-1) after 4 days. Similar PO43- uptake was achieved by Tetradesmus wisconsinensis H1 while its NH4+ uptake took 2 days longer. Both strains showed a higher specific growth rate (1.1 day-1) than Klebsormidium flaccidum NIVA-CHL80 (0.55 day-1). The highest biomass (1.276 ± 21 mg L-1) and carbohydrates content (40%) were achieved by T. wisconsinensis. K. flaccidum was characterized by superior protein content (53 ± 4%). In terms of total fatty acids production both K. flaccidum and L. segnis were favored (184 ± 6 and 193 ± 12 mg g-1 dry cells), especially with their high polyunsaturated fatty acid content (82 and 67%, respectively). The fatty acids of K. flaccidum consisted mainly C18:2 n-6 (73% of the total). L. segnis had a preferable n3 to n6 ratio (1.3) in their fatty acid profile. The proteins and carbohydrates content changed in all strains depending on the growth stage. Therefore, resource recovery scenarios could be further optimized for a specific cell component production combined with an appropriate strategy for nutrient removal from wastewater.
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Authors
Jeannette K. Winsou Ghislain T. Tepa-Yotto Karl Thunes Richard Meadow Manuele Tamò May-Guri SæthreAbstract
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Abstract
No abstract has been registered