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Träfflista för sökning "WFRF:(Strand S) srt2:(1990-1994)"

Sökning: WFRF:(Strand S) > (1990-1994)

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2.
  • Jönsson, Bo-Anders, et al. (författare)
  • A quantitative autoradiographic study of the heterogeneous activity distribution of different indium-111-labeled radiopharmaceuticals in rat tissues
  • 1992
  • Ingår i: Journal of Nuclear Medicine. - 0161-5505. ; 33:10, s. 1825-1833
  • Tidskriftsartikel (refereegranskat)abstract
    • In light of the increased interest in small scale dosimetry, this paper presents a quantitative autoradiographic method for evaluation of heterogeneous activity distribution in tissues. This was studied in rat tissues after administration of 111In-chloride, -oxine, -tropolone, 111In-labeled homologous blood cells and 111In-anti-CEA-F(ab')2, using quantitative whole-body autoradiography. Quantification was performed utilizing an image analyzing system designed for whole-body autoradiographs. Very heterogeneous activity distribution was found in several tissues including the liver, spleen, kidneys, bone marrow, lymph nodes and testes. Notable was the high 111In uptake in organs characterized as rapidly proliferating, and known to have numerous transferrin receptors. In the gastrointestinal tract, all activity was associated with the intestinal walls. The heterogeneous tissue distribution shown in this investigation accentuates the necessity for performing detailed studies of the tissue distribution of radiopharmaceuticals. This is especially important for the radiation dosimetry of radionuclides emitting beta-particles or low energy electrons. We suggest whole-body autoradiography as an excellent implement to determine local activity concentrations in organs and tissues necessary for accurate absorbed dose calculations
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3.
  • Tydén, Tanja, 1949-, et al. (författare)
  • Effects of specially tailored information on Swedish university students' sexual behavior.
  • 1994
  • Ingår i: Journal of American College Health. - : Informa UK Limited. - 0744-8481 .- 1940-3208. ; 43:2, s. 75-9
  • Tidskriftsartikel (refereegranskat)abstract
    • In independent surveys concerning sexual behavior among university students in Uppsala, Sweden, in 1989 and 1990, we found that condoms were infrequently used and that up to 25% of the sexually experienced students had a history of having had at least one sexually transmitted disease (STD). We targeted an information campaign toward the same students (approximately 20,000) in 1990. Our aims were (1) to increase the knowledge of STDs and alert the students to the high frequency of STDs in the student population, (2) to encourage students to have an STD checkup at the local STD clinic, and (3) to induce a positive attitude toward condoms. We evaluated the effects of the campaign, using before and after classroom surveys, a separate survey of students who attended the STD clinic, and a focus group analysis. Although the information campaign was successful, in that students became more aware of STDs and showed increased knowledge about the high frequency of STDs in their own population, fewer than 1% of the target population went for an STD checkup at the local STD clinic. Overall, the campaign was well received by the students but failed to induce any measurable changes in attitudes during the short observation period.
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