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Sökning: WFRF:(Eriksson J) > Linnéuniversitetet

  • Resultat 1-9 av 9
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1.
  • Davidsson, Åsa, et al. (författare)
  • Effect of anaerobic digestion at 35, 55 and 60 °C on pharmaceuticals and organic contaminants
  • 2014
  • Ingår i: Water Science and Technology. - : IWA Publishing. - 0273-1223 .- 1996-9732. ; 69:6, s. 1282-1288
  • Tidskriftsartikel (refereegranskat)abstract
    • The application of treated sewage sludge on farmland is a suggested method for recycling nutrients and reducing demand for commercial fertilizer. However, sludge needs to be safe from possible contaminants which can cause acute and long-term health and environmental problems. Residual pharmaceuticals and organic contaminants are mentioned as emerging threats since wastewater treatment plants are not designed to degrade these substances. The aim of this study was to screen and evaluate the presence, and reduction, of pharmaceuticals and polycyclic aromatic hydrocarbons (PAHs) during anaerobic digestion of mixed primary and waste-activated sludge at 35, 55 and 60°C and during pasteurization at 70°C. The study showed the difficulty of analysing pharmaceutical compounds in low concentrations in the sludge matrix. No general reduction of these compounds was seen during treatment, but for individual substances some reduction occured. The PAHs were generally not reduced during digestion or pasteurization, but for three substances (indeno[1,2,3-cd]pyrene and dibenzo[a,h]anthracene (analysed together) and benzo[g,h,i]perylene) reduction (up to 60%) during digestion was seen. Digestion at 35 and 55°C resulted in about the same order of reduction of the three individual PAHs, which was higher than for digestion at 60°C.
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2.
  • Eriksson, Erik J, 1978-, et al. (författare)
  • Detection of imitated voices : who are reliable earwitnesses?
  • 2010
  • Ingår i: The international journal of speech language and the law. - London : Equinox Publishing. - 1748-8885 .- 1748-8893. ; 17:1, s. 25-44
  • Tidskriftsartikel (refereegranskat)abstract
    • Factors affecting an individual's ability to identify people aurally are of forensic importance. This paper investigates how topic, dialect, gender, age, and hearing status affect detection of an imitated voice. Two imitations of the same person, but on different topics, were used as familiarization voices. One topic was associated with this person, and the other was not. Using discrimination sensitivity (d-prime) it was found that topic had a significant impact on d', as did age (but only when the topic was not associated with the imitated person). Dialect, gender and hearing status were not significant. The older group of listeners was less convinced by the imitations and in particular the one not associated with the person being imitated. These results imply that the validity of earwitness evidence is negatively affected by age and topic.
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5.
  • Mohebnasab, Maedeh, et al. (författare)
  • Current and Future Approaches for Monitoring Responses to Anti-complement Therapeutics
  • 2019
  • Ingår i: Frontiers in Immunology. - : Frontiers Media S.A.. - 1664-3224. ; 10, s. 1-13
  • Forskningsöversikt (refereegranskat)abstract
    • Aberrations in complement system functions have been identified as either direct or indirect pathophysiological mechanisms in many diseases and pathological conditions, such as infections, autoimmune diseases, inflammation, malignancies, and allogeneic transplantation. Currently available techniques to study complement include quantification of (a) individual complement components, (b) complement activation products, and (c) molecular mechanisms/function. An emerging area of major interest in translational studies aims to study and monitor patients on complement regulatory drugs for efficacy as well as adverse events. This area is progressing rapidly with several anti-complement therapeutics under development, in clinical trials, or already in clinical use. In this review, we summarized the appropriate indications, techniques, and interpretations of basic complement analyses, exemplified by a number of clinical disorders.
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6.
  • Pivnenko, Kostyantyn, et al. (författare)
  • Recycling of plastic waste : Presence of phthalates in plastics from households and industry
  • 2016
  • Ingår i: Waste Management. - : Elsevier BV. - 0956-053X .- 1879-2456. ; 54, s. 44-52
  • Tidskriftsartikel (refereegranskat)abstract
    • Plastics recycling has the potential to substitute virgin plastics partially as a source of raw materials in plastic product manufacturing. Plastic as a material may contain a variety of chemicals, some potentially hazardous. Phthalates, for instance, are a group of chemicals produced in large volumes and are commonly used as plasticisers in plastics manufacturing. Potential impacts on human health require restricted use in selected applications and a need for the closer monitoring of potential sources of human exposure. Although the presence of phthalates in a variety of plastics has been recognised, the influence of plastic recycling on phthalate content has been hypothesised but not well documented. In the present work we analysed selected phthalates (DMP, DEP, DPP, DiBP, DBP, BBzP, DEHP, DCHP and DnOP) in samples of waste plastics as well as recycled and virgin plastics. DBP, DiBP and DEHP had the highest frequency of detection in the samples analysed, with 360 μg/g, 460 μg/g and 2700 μg/g as the maximum measured concentrations, respectively. Among other, statistical analysis of the analytical results suggested that phthalates were potentially added in the later stages of plastic product manufacturing (labelling, gluing, etc.) and were not removed following recycling of household waste plastics. Furthermore, DEHP was identified as a potential indicator for phthalate contamination of plastics. Close monitoring of plastics intended for phthalates-sensitive applications is recommended if recycled plastics are to be used as raw material in production.
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7.
  • Sjöström, Maria, et al. (författare)
  • A bidialectal experiment on voice Identification
  • 2008
  • Ingår i: Working Papers,: Department of Linguistics and Phonetics, Lund University, Sweden. - Lund. ; 53, s. 145-158
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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8.
  • Sjöström, Maria, et al. (författare)
  • A Switch of Dialect as Disguise
  • 2006
  • Ingår i: Proceedings from FONETIK 2006. ; , s. 113-116
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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