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Träfflista för sökning "WFRF:(Risberg B) srt2:(2010-2014)"

Search: WFRF:(Risberg B) > (2010-2014)

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1.
  • Janczewska, Izabella, et al. (author)
  • Clinical application of the multigene analysis test in discriminating between ulcerative colitis and Crohn's disease : a retrospective study
  • 2012
  • In: Scandinavian journal of gastroenterology. - : Informa UK Limited. - 1502-7708 .- 0036-5521. ; 47:2, s. 162-9
  • Journal article (peer-reviewed)abstract
    • Abstract Methods. The newly described - multigene analysis test (DiBiCol) identifying 7 inflammatory bowel disease (IBD)-specific genes in colonic mucosal biopsy differentiating between ulcerative colitis (UC) and Crohn's disease (CD) with active inflammation - is a new addition to existing methods with a higher stated sensitivity and specificity. Method biopsy material from 78 patients with a complicated course diagnosed as most probably UC in 38, CD in 18 and inflammatory bowel disease unclassified (IBDU) in 22 were investigated by DiBiCol. Results. DiBiCol showed a pattern consistent with CD in 13 patients with UC and led to change of diagnosis in 3 patients and a strong suggestion of CD in 8 patients. A total of 2 patients remained as UC. DiBiCol showed a pattern of UC in 4 patients of 18 with CD leading to a changing of diagnosis to UC in 3 patients, but the fourth remained as CD. In 22 patients with IBDU DiBiCol showed a pattern consistent with UC in 7 cases and with CD in 13 cases. A new evaluation 1 year after the DiBiCol allowed the assessment of clinical diagnosis in 10 patients confirmed in 9 of 10 patients by DiBiCol. In patients with acute flare of colitis the clinical diagnosis corresponded in 10 of 12 UC and in 5 of 6 CD cases. Summary. Adopting the DiBiCol test led to a change of the primary diagnosis in a significant number of patients with the initial diagnosis of UC and CD and suggested a clinically probable diagnosis in most of the patients with IBDU and in those with an acute flare of colitis.
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2.
  • Jeppsson, B, et al. (author)
  • Kirurgi.
  • 2010
  • Book (other academic/artistic)
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3.
  • Risberg, Mikael, et al. (author)
  • Influence from fuel type on the performance of an air-blown cyclone gasifier
  • 2014
  • In: Fuel. - : Elsevier BV. - 0016-2361 .- 1873-7153. ; 116, s. 751-759
  • Journal article (peer-reviewed)abstract
    • Entrained flow gasification of biomass using the cyclone principle has been proposed in combination with a gas engine as a method for combined heat and power production in small to medium scale (<20 MW). This type of gasifier also has the potential to operate using ash rich fuels since the reactor temperature is lower than the ash melting temperature and the ash can be separated after being collected at the bottom of the cyclone. The purpose of this work was to assess the fuel flexibility of cyclone gasification by performing tests with five different types of fuels; torrefied spruce, peat, rice husk, bark and wood. All of the fuels were dried to below 15% moisture content and milled to a powder with a maximum particle size of around 1 mm. The experiments were carried out in a 500 kWth pilot gasifier with a 3-step gas cleaning process consisting of a multi-cyclone for removal of coarse particles, a bio-scrubber for tar removal and a wet electrostatic precipitator for removal of fine particles and droplets from the oil scrubber (aerosols). The lower heating value (LHV) of the clean producer gas was 4.09, 4.54, 4.84 and 4.57 MJ/Nm3 for peat, rice husk, bark and wood, respectively, at a fuel load of 400 kW and an equivalence ratio of 0.27. Torrefied fuel was gasified at an equivalence ratio of 0.2 which resulted in a LHV of 5.75 MJ/Nm3 which can be compared to 5.50 MJ/Nm3 for wood powder that was gasified at the same equivalence ratio. A particle sampling system was designed in order to collect ultrafine particles upstream and downstream the gasifier cleaning device. The results revealed that the gas cleaning successfully removed >99.9% of the particulate matter smaller than 1 μm.
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