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Träfflista för sökning "WFRF:(Suarez Felipe) srt2:(2020-2023)"

Search: WFRF:(Suarez Felipe) > (2020-2023)

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11.
  • Suarez Corredor, Andres Felipe, 1988, et al. (author)
  • Understanding the NH3 adsorption mechanism on a vanadium-based SCR catalyst : A data-driven modeling approach
  • 2022
  • In: Chemical Engineering Science. - : Elsevier BV. - 0009-2509 .- 1873-4405. ; 262
  • Journal article (peer-reviewed)abstract
    • Ammonia adsorption is a precondition for the selective catalytic reduction (SCR) of nitrogen oxides (NOx) to take place and it influences catalyst performance under transient conditions. For a vanadium-based SCR catalyst NH3 adsorption takes place on multiple adsorption sites over the catalyst surface with different behaviours depending on temperature, gas concentration and catalyst oxidation state. In this study, a mechanistic NH3 adsorption model within the framework of Langmuir adsorption models was developed for describing the NH3 adsorption isotherms obtained with a gas flow reactor for a vanadium-based SCR. The model was created by a data-driven modeling process, which involves different steps. First, a large set of candidate models was created systematically by combining multiple feasible adsorption mechanisms. Then, a parameter estimation workflow was performed using three different objective functions with increased complexity. Finally, a model reconciliation step was executed and a quality assessment was done for creating a unified robust model with a high degree of validity. As a result of this method, an NH3 adsorption model with five adsorption sites with different mechanisms was obtained that captures the main features from the experimental data. Furthermore, the model parameters have physical significance and relate to the adsorption strength and spatial arrangement for NH3 and water molecules. The proposed model can be used in the development of transient models with increased validity over a wide experimental region.
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12.
  • Wylensek, David, et al. (author)
  • A collection of bacterial isolates from the pig intestine reveals functional and taxonomic diversity
  • 2020
  • In: Nature Communications. - : Nature Publishing Group. - 2041-1723. ; 11:1
  • Journal article (peer-reviewed)abstract
    • Our knowledge about the gut microbiota of pigs is still scarce, despite the importance of these animals for biomedical research and agriculture. Here, we present a collection of cultured bacteria from the pig gut, including 110 species across 40 families and nine phyla. We provide taxonomic descriptions for 22 novel species and 16 genera. Meta-analysis of 16S rRNA amplicon sequence data and metagenome-assembled genomes reveal prevalent and pig-specific species within Lactobacillus, Streptococcus, Clostridium, Desulfovibrio, Enterococcus, Fusobacterium, and several new genera described in this study. Potentially interesting functions discovered in these organisms include a fucosyltransferase encoded in the genome of the novel species Clostridium porci, and prevalent gene clusters for biosynthesis of sactipeptide-like peptides. Many strains deconjugate primary bile acids in in vitro assays, and a Clostridium scindens strain produces secondary bile acids via dehydroxylation. In addition, cells of the novel species Bullifex porci are coccoidal or spherical under the culture conditions tested, in contrast with the usual helical shape of other members of the family Spirochaetaceae. The strain collection, called 'Pig intestinal bacterial collection' (PiBAC), is publicly available at www.dsmz.de/pibac and opens new avenues for functional studies of the pig gut microbiota. The authors present a public collection of 117 bacterial isolates from the pig gut, including the description of 38 novel taxa. Interesting functions discovered in these organisms include a new fucosyltransferease and sactipeptide-like molecules encoded by biosynthetic gene clusters.
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  • Result 11-12 of 12
Type of publication
journal article (10)
research review (1)
licentiate thesis (1)
Type of content
peer-reviewed (11)
other academic/artistic (1)
Author/Editor
Skoglundh, Magnus, 1 ... (2)
Moiseev, Sergey (2)
Baumann, Ulrich (2)
Olsson, Louise, 1974 (2)
Shoenfeld, Yehuda (2)
Damoiseaux, Jan (2)
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Bossuyt, Xavier (2)
Radice, Antonella (2)
Fasth, Anders, 1945 (2)
Aakala, Tuomas (1)
Diaz, Sandra (1)
Segelmark, Mårten (1)
Ostonen, Ivika (1)
Tedersoo, Leho (1)
Bond-Lamberty, Ben (1)
Fernandez, Carmen (1)
Wang, Yi (1)
Lenhoff, Stig (1)
Abolhassani, Hassan (1)
Cobat, Aurelie (1)
Casanova, Jean-Laure ... (1)
Hammarström, Lennart (1)
Materna, Marie (1)
Marr, Nico (1)
Khan, Taushif (1)
Beziat, Vivien (1)
Cava, Felipe (1)
Moretti, Marco (1)
Wang, Feng (1)
Verheyen, Kris (1)
Graae, Bente Jessen (1)
Tusman, Gerardo (1)
Suarez-Sipmann, Fern ... (1)
Johansson, Jan-Erik (1)
Carlson, Kristina (1)
Rojas, Felipe (1)
Ljungman, Per (1)
Shcherbina, Anna (1)
Sousa, Maria Jose (1)
Fritzler, Marvin J. (1)
Isaac, Marney (1)
Lewis, Simon L. (1)
Zieminska, Kasia (1)
Phillips, Oliver L. (1)
Jackson, Robert B. (1)
Reichstein, Markus (1)
Kumar, Neeraj (1)
Hickler, Thomas (1)
Rogers, Alistair (1)
Ferrando, Carlos (1)
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University
University of Gothenburg (3)
Lund University (3)
Chalmers University of Technology (3)
Royal Institute of Technology (2)
Uppsala University (2)
Karolinska Institutet (2)
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Umeå University (1)
Stockholm University (1)
Karlstad University (1)
Swedish University of Agricultural Sciences (1)
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Language
English (12)
Research subject (UKÄ/SCB)
Medical and Health Sciences (6)
Natural sciences (5)
Engineering and Technology (3)

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