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Träfflista för sökning "WFRF:(Andersson G.) srt2:(1980-1989)"

Search: WFRF:(Andersson G.) > (1980-1989)

  • Result 1-10 of 69
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1.
  • Andersson-Engels, Stefan, et al. (author)
  • Identification of brain tumours in rats using laser-induced fluorescence and haematoporphyrin derivative
  • 1989
  • In: Lasers in Medical Science. - 0268-8921. ; 4:4, s. 241-249
  • Journal article (peer-reviewed)abstract
    • Laser-induced fluorescence has been used for the identification of brain tumours in rats, which have been previously given tumour-seeking haematoporphyrin derivative. A pulsed nitrogen laser (λ=337 nm) was used in conjunction with an optical multichannel analyzer. For both inoculated RG-2 and TCVC rat-brain-tumour models, the blue autofluorescence was strongly reduced in the tumour compared with normal brain tissue, and at the same time the characteristic red-drug signal increased. The contrast between tumour and normal tissue was strongly enhanced by forming the ratio between the two signals. Implications for possible improvement of tumour delineation in brain tumour surgery are discussed.
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2.
  • Andersson-Engels, S., et al. (author)
  • Tissue diagnostics using laser-induced fluorescence
  • 1989
  • In: Berichte der Bunsengesellschaft für Physikalische Chemie. - : Wiley. - 0005-9021. ; 93:3, s. 335-342
  • Journal article (peer-reviewed)abstract
    • We have performed extensive investigations of laser-induced fluorescence in animal and human tissue aimed at instant tissue characterization. Autofluorescence, as well as specific fluorescence from HPD/DHE and other photosensitizers, has been utilized. The studies have been focused on the demarcation of malignant tumours and atheroscleortic plaques. A nitrogen laser or an excimer-pumped dye laser was used to induce fluorescence, which was analysed with an intensified optical multichannel system. A fibre-optic sensor system was developed for the clinical work. Multi-colour fluorescence imaging has also been demonstrated along a line and equipment for two-dimensional imaging is being constructed. Dimensionless spectroscopic functions, which are not affected by factors that are clinically uncontrollable have been employed for optimum tissue discrimination. The investigations have so far been performed in a time-integrated mode, but time-resolved studies are now being initiated to fully exploit the diagnostic power of tissue laser-induced fluorescence. In addition to a presentation of our own work a brief review of tissue fluorescence studies performed by other groups is also given.
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3.
  • Andersson-Gäre, Boel, et al. (author)
  • Incidence and prevalence of juvenile chronic arthritis : a population survey
  • 1987
  • In: Annals of the Rheumatic Diseases. - 0003-4967 .- 1468-2060. ; 46:4, s. 277-81
  • Journal article (peer-reviewed)abstract
    • In a population based epidemiological survey of juvenile chronic arthritis (JCA), performed in Western Sweden in 1983, an incidence of 12/100,000 was found. The estimated prevalence was 56/100,000. Subgroup distribution showed a preponderance of mono- and pauciarticular forms. The peak age of onset was between 0 and 4 years of age. Girls predominated over boys in a ratio of 3:2. Overall, 30% were antinuclear antibody (ANA) positive, 9% rheumatoid factor (RF) positive, and eye involvement occurred in 10% of the children. The results suggest differences in population based studies of JCA compared with previously reported hospital based series.
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  • Result 1-10 of 69
Type of publication
journal article (51)
conference paper (13)
reports (3)
book chapter (2)
Type of content
peer-reviewed (62)
other academic/artistic (7)
Author/Editor
Andersson, Per (15)
Leckner, Bo G, 1936 (11)
Andersson, G (8)
Andersson, J (5)
Sjöstrand, T. (5)
Gustafson, G. (5)
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Johnsson, Filip, 196 ... (5)
Hall, G. (4)
Andersson, C.-G. (4)
Bäckström, Gunnar (4)
von Schantz, Torbjör ... (2)
Andersson, A (2)
Wittzell, Håkan (2)
Andersson, B. (2)
Svanberg, S. (2)
Svanberg, K. (2)
Åmand, Lars-Erik, 19 ... (2)
Ingelman, Gunnar (2)
Larsson, Gerry (1)
Winblad, B (1)
Nilsson, G (1)
Collins, J (1)
Johansson, J (1)
Eriksson, M (1)
Steen, Stig (1)
Norgren, Lars (1)
Wittzell, H (1)
Andersson-Engels, St ... (1)
Svanberg, Sune (1)
Andersson, Karl Erik (1)
Andersson, M (1)
Sjöberg, Trygve (1)
Svanberg, Katarina (1)
Andersson-Engels, S. (1)
Gustafson, A (1)
Berglund, G (1)
Magnusson, M (1)
Ohlsson, T. (1)
Lund, B (1)
Engström, Tomas, 195 ... (1)
Sandberg, Ann-Sofie, ... (1)
Lingnert, Hans (1)
Andersson, J E (1)
Lundgren, E. (1)
Ny, Tor (1)
Andersson-Gäre, Boel (1)
Andersson, Staffan (1)
Andersson, P. S. (1)
Örtengren, Roland, 1 ... (1)
Cederblad, G (1)
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University
Umeå University (19)
Lund University (13)
Chalmers University of Technology (13)
RISE (12)
Linnaeus University (5)
Linköping University (4)
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Luleå University of Technology (2)
University of Gothenburg (1)
Uppsala University (1)
Jönköping University (1)
Swedish National Defence College (1)
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Language
English (64)
Swedish (5)
Research subject (UKÄ/SCB)
Natural sciences (28)
Engineering and Technology (14)
Agricultural Sciences (12)
Medical and Health Sciences (8)

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