Browsing NTNU Open by Author "Granum, Per Einar"
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Characterization of airborne bacteria at an underground subway station
Dybwad, Marius; Granum, Per Einar; Bruheim, Per; Blatny, Janet Martha (Journal article; Peer reviewed, 2012)The reliable detection of airborne biological threat agents depends on several factors, including the performance criteria of the detector and its operational environment. One step in improving the detector's performance ... -
A Clostridium perfringens outbreak traced to temperature-abused beef stew, Norway, 2012
Wahl, Erik; Rømma, Svein; Granum, Per Einar (Peer reviewed; Journal article, 2013)On 21 January 2012, the Norwegian Food Safety Authority was informed about gastrointestinal illness among 111 swimming club members, who were staying at a hotel in Trondheim. A hotel dinner on 20 January was their only ... -
Macromolecular acidic coating increases shelf life by inhibition of bacterial growth
Christensen, Bjørn E.; Strand, Sabina P.; Basset, Coraline; Kristiansen, Kåre Andre; Ulset, Ann-Sissel Teialeret; Ballance, Simon; Granum, Per Einar (Journal article; Peer reviewed, 2018)The sensitivity of microorganisms to low pH can be utilized in food protection by preparing coatings based on macromolecular acids. Due to limited diffusivity of macromolecules low pH occurs primarily at the surface, while ... -
Transcriptional responses of Bacillus cereus towards challenges with the polysaccharide chitosan
Mellegård, Hilde; Kovács, Ákos T.; Lindback, Toril; Christensen, Bjørn Erik; Kuipers, Oscar P.; Granum, Per Einar (Journal article; Peer reviewed, 2011)The antibacterial activity of the polysaccharide chitosan towards different bacterial species has been extensively documented. The response mechanisms of bacteria exposed to this biopolymer and the exact molecular mechanism ...