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Träfflista för sökning "LAR1:lu ;srt2:(2000-2004)"

Sökning: LAR1:lu > (2000-2004)

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1.
  • 2002 års män och kvinnor : medborgare rapporterar om hemlöshet
  • 2003
  • Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
    • In 2002 a group of men and women, coming from different professions but sharing an interest in social issues, joined together in a Citizens' Study (medborgarundersökning) in the Swedish city of Malmö. They were inspired by a classic Swedish citizens' study "Men of 1912" (1912 års män) which was a clandestine field study of the deplorable conditions in Stockholm's hostels in 1912. This book is a compilation of the various reports written by the men and women of 2002. Over a period of several months they visited different places in Malmö where homeless people live and spend their lives. The reports provide us with different images of homelessness, from tent camps, hideouts in public parks, cheap hotels and shelters to overpopulated apartment buildings in the suburbs. It accounts for the City Council's expensive policy of solving the problems through putting up homeless in hotel rooms on a long-term basis. Striking in the reports is the frustration of the men and women of 2002 when they are confronted with access problems to shelters, and with the demeaning and contemptuous treatment of homeless people. As a method for social research the citizen's study does not have the theoretical and methodological consistency of the scientific study. However, it oversteps social borders and promotes social integration in a way that scientific studies were never able to do. The men and women of 2002 were drawn into the process, and formed private social relationships with homeless people and their places. Apart from the reports of the men and women of 2002, the book also includes a re-print of the edited version of the report of the men of 1912 published in Social Tidskrift 1913.
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3.
  • A, Lebedev, et al. (författare)
  • Direct photons in WA98.
  • 2002
  • Ingår i: Nuclear Physics A. ; 698, s. 135-135
  • Tidskriftsartikel (refereegranskat)
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7.
  • Aabenhus, Rune, et al. (författare)
  • Lectin Typing of Campylobacter concisus
  • 2002
  • Ingår i: Journal of Clinical Microbiology. - 1098-660X. ; 40:2, s. 715-717
  • Tidskriftsartikel (refereegranskat)abstract
    • A total of 44 clinical isolates and the type strain of the putative pathogen Campylobacter concisus were grouped based on their reactions with plant lectins. The optimized lectin typing system used C. concisus strains proteolytically pretreated and subsequently typed by using a panel of four lectins. The system grouped all 45 strains into 13 lectin reaction patterns, leaving no strain untypeable due to autoagglutination. Lectin types were both stable and reproducible.
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8.
  • Aalamian, M, et al. (författare)
  • Inhibition of dendropoiesis by tumor derived and purified prostate specific antigen
  • 2003
  • Ingår i: Journal of Urology. - : Ovid Technologies (Wolters Kluwer Health). - 1527-3792 .- 0022-5347. ; 170:5, s. 2026-2030
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: Prostate specific antigen (PSA) is a serine protease produced by the prostate gland at high concentrations. Serum PSA may be significantly elevated in prostate cancer and benign prostatic diseases. It has recently become evident that, in addition to being a tissue and/or serum marker, PSA may also have biological effects. Despite the voluminous literature on this biomarker in the diagnosis of prostatic diseases relatively few reports have addressed the issue of the physiological function, biological role and immune effects of PSA in the context of prostate cancer development and progression. Materials and Methods: Human dendritic cell (DC) cultures were generated from CD34+ hematopoietic precursors in the presence of PSA. The DC phenotype was assessed by flow cytometry and DC ability to induce T-cell proliferation was detected by allogeneic mixed lymphocyte reaction assay. DCs were also generated in co-cultures with LNCaP cells in the presence of antiPSA antibodies. The concentrations of PSA in cultures were determined by the AXSYM System (Abbott Laboratories, Wiesbaden, Germany). Results: We noted that purified and LNCaP derived PSA inhibited the generation and maturation of DC (dendropoiesis) in vitro, which might have a crucial role in the induction and regulation of specific antitumor immune responses. The addition of active PSA to DC cultures significantly inhibited the generation and maturation of DC, as assessed by the levels of expression of CD83, CD80, CD86 and HLA DR. The ability of DC to induce T-cell proliferation, which depends on the expression of co-stimulatory and major histocompatibility complex molecules, was also suppressed in PSA treated DC cultures. Conclusions: The antidendropoietic effect of PSA in vitro suggests a new mechanism of prostate cancer induced immunosuppression and tumor escape, and provides novel evidence of the immunoregulatory properties of PSA.
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  • Aanæs, Henrik, et al. (författare)
  • Factorization with erroneous data
  • 2002
  • Konferensbidrag (refereegranskat)abstract
    • Factorization algorithms for recovering structure and motion from an image stream have many advantages, but traditionally requires a set of well tracked feature points. This limits the usability since, correctly tracked feature points are not available in general. There is thus a need to make factorization algorithms deal successfully with incorrectly tracked feature points. We propose a new computationally efficient algorithm for applying an arbitrary error function in the factorization scheme, and thereby enable the use of robust statistical techniques and arbitrary noise models for individual feature points. These techniques and models effectively deal with feature point noise as well as feature mismatch and missing features. Furthermore, the algorithm includes a new method for Euclidean reconstruction that experimentally shows a significant improvement in convergence of the factorization algorithms. The proposed algorithm has been implemented in the Christy–Horaud factorization scheme and the results clearly illustrate a considerable increase in error tolerance.
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