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- Bereschenko, L.A. (author), Stams, A.J.M. (author), Euverink, G.J.W. (author), Van Loosdrecht, C.M. (author) journal article 2010
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Van Loosdrecht, M.C.M. (author), Kleerebezem, R. (author), Jian, Y. (author), Johnson, K. (author)The invention relates to a process for selecting a polyhydroxyalkanoate (PHA) producing micro-organism from a natural source comprising a variety of micro-organisms, comprising steps of preparing a fermentation broth comprising the natural source and nutrients in water; creating and maintaining aerobic conditions in the fermentation broth;...patent 2009
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Van der Star, W.R.L. (author), Dijkema, C. (author), De Waard, P. (author), Picioreanu, C. (author), Strous, M. (author), Van Loosdrecht, M.C.M. (author)The cytoplasm of anaerobic ammonium oxidizing (anammox) bacteria consists of three compartments separated by membranes. It has been suggested that a proton motive force may be generated over the membrane of the innermost compartment, the “anammoxosome”. 31P nuclear magnetic resonance (NMR) spectroscopy was employed to investigate intracellular...journal article 2009
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De Vet, W.W.J.M. (author), Van Genuchten, C.C.A. (author), Van Loosdrecht, M.C.M. (author), Van Dijk, J.C. (author)In drinking water production, river bank filtration has the advantages of dampening peak concentrations of many dissolved components, substantially removing many micropollutants and removing, virtually completely, the pathogens and suspended solids. The production aquifer is not only fed by the river bank infiltrate but also by water percolating...journal article 2009
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Picoreanu, C. (author), Katuri, K.P. (author), Van Loosdrecht, M.C.M. (author), Head, I.M. (author), Scott, K. (author)Derivation of a mathematical model for microbial fuel cells (MFC) with suspended biomass and added electron-transfer mediator is described. The model is based on mass balances for several dissolved chemical species such as substrate, oxidized mediator and reduced mediator. Biological, chemical and electrochemical reactions can occur in the bulk...journal article 2009
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Temudo, M.F. (author), Mato, T. (author), Kleerebezem, R. (author), Van Loosdrecht, M.C.M. (author)Xylose is, after glucose, the dominant sugar in agricultural wastes. In anaerobic environments, carbohydrates are converted into volatile fatty acids and alcohols. These can be used as building blocks in biotechnological or chemical processes, e.g., to produce bioplastics. In this study, xylose fermentation by mixed microbial cultures was...journal article 2008
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Temudo, M.F. (author), Muyzer, G. (author), Kleerebezem, R. (author), Van Loosdrecht, M.C.M. (author)Anaerobic fermentation by an open mixed culture was investigated at different pH values (4–8.5) and with three substrates (glucose, glycerol and xylose). The populations established in each condition were assessed by denaturing gradient gel electrophoresis analysis of the 16S ribosomal RNA gene fragments. The fermentation pattern and the...journal article 2008
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- Kampschreur, M.J. (author), Picioreanu, C. (author), Tan, N. (author), Kleerebezem, R. (author), Jetten, M.S. (author), Van Loosdrecht, M.C.M. (author) journal article 2007
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Roeselers, G. (author), Van Loosdrecht, M.C.M. (author), Muyzer, G. (author)Phototrophic biofilms occur on surfaces exposed to light in a range of terrestrial and aquatic environments. Oxygenic phototrophs like diatoms, green algae, and cyanobacteria are the major primary producers that generate energy and reduce carbon dioxide, providing the system with organic substrates and oxygen. Photosynthesis fuels processes and...journal article 2007
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Staal, M. (author), Thar, R. (author), Kühl, M. (author), Van Loosdrecht, M.C.M. (author), Wolf, G. (author), De Brouwer, J.F.C. (author), Rijstenbil, J.W. (author)Natural phototrophic biofilms are influenced by a broad array of abiotic and biotic factors and vary over temporal and spatial scales. Different developmental stages can be distinguished and growth rates will vary due to the thickening of the biofilm, which is expected to lead to a limitation of light or mass transport. This study shows that...journal article 2007
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Hasan, M.N. (author), Van Loosdrecht, M.C.M. (author), Hagen, W.R. (author)The present invention relates to a material for removing oxo-anions and metal cations from a liquid. This material is characterized in that it comprises hyper thermophilic ferritin. The present invention also relates to a method for removing at least one of oxo-anions and metal cations from a liquid. Thi s method is characterized in that a...patent 2007
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Hasan, M.N. (author), Van Loosdrecht, M.C.M. (author), Hagen, W.R. (author)The present invention relates to a material for removing oxo-anions and metal cations from a liquid. This material is characterized in that it comprises hyperthermophilic ferritin. The present invention also relates to a method for removing at least one of oxo-anions and metal cations from a liquid. This method is characterized in that a...patent 2007
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- Roeselers, G. (author), Van Loosdrecht, M.C.M. (author), Muyzer, G. (author) journal article 2007
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Van Loosdrecht, M.C. (author), De Kreuk, M.K. (author)The invention relates to a method for the treatment of waste water comprising an organic nutrient. According to the invention, the waste water is in a first step fed to sludge granules, after the supply of the waste water to be treated the sludge granules are fluidised in the presence of an oxygen-comprising gas, and in a third step, the sludge...patent 2004
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- Picioreanu, C. (author), Kreft, J.U. (author), Van Loosdrecht, M.C.M. (author) journal article 2004
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Van Ast, J.A. (author), Baas, L.W. (author), Bouma, J.J. (author), Van Loosdrecht, M.C.M. (author), Stienstra, G.J. (author), Van der Voet, J. (author)Dit rapport van 8 november 2004 is in opdracht van het ministerie van VROM geschreven door onderzoekers van het Erasmus Centre for Sustainability and Management van de Erasmus Universiteit Rotterdam, het Centrum voor Milieuwetenschappen van de Universiteit Leiden (CML) en de Environmental Biotechnology Group van de Technische Universiteit Delft....report 2004
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- Van Loosdrecht, M.C.M. (author) report 2003
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Van Loosdrecht, M.C.M. (author)The invention relates to a method for the production of polyhydroxyalkanoate, for example from a waste stream. In a first step of this method, microorganisms are grown and in a second step polyhydroxyalkanoate is accumulated. According to the invention, the microorganisms are in a first step subjected to a selection, which selection comprises a...patent 2000
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Heijnen, J.J. (author), Van Loosdrecht, M.C.M. (author)The invention relates to a method of acquiring granular growth of a microorganism in a reactor containing a liquid medium. Surprisingly, according to the invention, aerobic microorganisms also can be induced to granular growth by maintaining specific culture conditions. During a first step an oxygen-containing gas is supplied and the reactor...patent 1998
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Van Loosdrecht, M.C.M. (author), Jetten, M.S.M. (author)The invention relates to a method of treating ammonia-comprising waste water in which the bicarbonate ion is the counter ion of the ammonium ion present in the waste water. According to the invention half the ammonium is converted into nitrite, yielding an ammonia- and nitrite-containing solution, and in the second step the nitrite is used as...patent 1998