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- Pramling, Ingrid, et al.
(author)
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27 forskare i upprop mot skärmfri förskola
- 2024
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In: Förskolan. - Stockholm : Sveriges Lärare.
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Journal article (pop. science, debate, etc.)abstract
- VI LÄRARE DEBATT: Regeringens uppdrag till Skolverket – att göra utbildningen i förskolan skärmfri – riskerar att ge negativa och allvarliga konsekvenser, särskilt för barn som är i störst behov av att möta en digitaliserad värld med stöd av utbildade förskollärare och barnskötare. Det skriver 27 barn- och förskoleforskare i ett gemensamt upprop.
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- Pramling Samuelsson, Ingrid, et al.
(author)
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27 forskare i upprop mot skärmfri förskola
- 2024
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In: Förskolan. - Stockholm : Sveriges Lärare.
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Journal article (pop. science, debate, etc.)abstract
- VI LÄRARE DEBATT: Regeringens uppdrag till Skolverket – att göra utbildningen i förskolan skärmfri – riskerar att ge negativa och allvarliga konsekvenser, särskilt för barn som är i störst behov av att möta en digitaliserad värld med stöd av utbildade förskollärare och barnskötare. Det skriver 27 barn- och förskoleforskare i ett gemensamt upprop.
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| 6. |
- Thelander, Gunilla, et al.
(author)
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Caffeine fatalities - Do sales restrictions prevent intentional intoxications?
- 2010
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In: Clinical Toxicology. - : Informa Healthcare. - 1556-3650 .- 1556-9519. ; 48:4, s. 354-358
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Journal article (peer-reviewed)abstract
- Objective. Caffeine is widely available in beverages and in different over-the-counter products, including tablets containing 100 mg caffeine. Because intentional fatal intoxications with caffeine occur, the maximum quantity of caffeine tablets that can be bought over the counter in a single purchase was restricted from 250 to 30 in Sweden in the year 2004. The objective of this article was to study the effect of this decision on the number of fatal caffeine intoxications. Method. In Sweden 95% of all cases undergoing forensic autopsy are screened for a number of drugs including caffeine. All cases during January 1993-September 2009 with a caffeine concentration above 80 mu g/g blood were recorded. Results. During the study period toxicological investigations were performed in 83,580 forensic autopsies. Caffeine contributed to the fatal outcome in 20 cases (0.02%). Thirteen (65%) of these fatalities occurred before the introduction of the sales restriction. However, no fatal intoxications where caffeine contributed to the cause of death was recorded between May 2007 and September 2009. Conclusion. Overdoses of tablets containing caffeine can be fatal, suicides as well as accidents occur. Restricting the maximum quantity of caffeine tablets available over the counter seemed to be effective in preventing suicides because of caffeine although some time elapsed until the effect was noted. Further monitoring is required to ensure that the observed lower caffeine mortality is a sustained effect.
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- Uhlén, Mathias, et al.
(author)
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A human protein atlas for normal and cancer tissues based on antibody proteomics
- 2005
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In: Molecular & Cellular Proteomics. - 1535-9476 .- 1535-9484. ; 4:12, s. 1920-1932
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Journal article (peer-reviewed)abstract
- Antibody-based proteomics provides a powerful approach for the functional study of the human proteome involving the systematic generation of protein-specific affinity reagents. We used this strategy to construct a comprehensive, antibody-based protein atlas for expression and localization profiles in 48 normal human tissues and 20 different cancers. Here we report a new publicly available database containing, in the first version, similar to 400,000 high resolution images corresponding to more than 700 antibodies toward human proteins. Each image has been annotated by a certified pathologist to provide a knowledge base for functional studies and to allow queries about protein profiles in normal and disease tissues. Our results suggest it should be possible to extend this analysis to the majority of all human proteins thus providing a valuable tool for medical and biological research.
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| 8. |
- Adliene, Diana, et al.
(author)
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Assessment of the environmental contamination with long-lived radionuclides around an operating RBMK reactor station
- 2006
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In: Journal of Environmental Radioactivity. - : Elsevier BV. - 1879-1700 .- 0265-931X. ; 90:1, s. 68-77
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Journal article (peer-reviewed)abstract
- The presence of man-made gamma emitting radionuclides in the region within 32 km radius of the Ignalina NPP/Lithuania has been investigated during the period 2001-2004, prior to the closure of the first 4 the two operating RBMK 1500-type reactors. Gamma spectrometric measurements of various terrestrial and aquatic plants as well as of soil samples showed moderate environmental contamination with the fission product Cs-137 and with the neutron activation products Co-60 and Mn-54. Traces of the activation products Zn-65 and Ag-110m were found in the nearest vicinity of the NPP. Activity concentrations were inhomogeneously distributed in the area of interest. Moss and algae samples showed the highest uptake of radionuclides. In addition to the gamma spectrometric measurements, the levels of C-14 were determined in the same bio-indicator samples using accelerator mass spectrometry. (c) 2006 Elsevier Ltd. All rights reserved.
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| 9. |
- Agnarsdóttir, Margrét, 1970-, et al.
(author)
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MITF as a Prognostic Marker in Cutaneous Malignant Melanoma
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Other publication (other academic/artistic)abstract
- Background: Microphthalmia associated transcription factor (MITF) protein has a central role in the differentiation and survival of melanocytes. The aim of the study was to investigate whether MITF can be employed as a prognostic marker in patients operated on for cutaneous malignant melanoma. Methods: A cohort study design based on information collected from population-based registers. For included patients tissue microarrays and immunohistochemistry were employed to study the protein expression of MITF in the primary malignant melanoma tumors by estimating the fraction of positive tumor cells and the staining intensity. Results: The vast majority of tumors expressed MITF in >25% of the tumor cells with a strong staining intensity and looking at these factors individually these patients had a better prognosis. When cell fraction and intensity were combined a high-risk group dying of malignant melanoma was identified as those with 25% -75% of tumor cells staining with weak intensity and those with <25% of tumor cells staining with strong intensity. However, the majority of the deaths occurred in the lower risk groups. Conclusions: Although a high-risk group for death in malignant melanoma was identified we conclude that MITF is not useful as a prognostic marker because of the distribution of that particular expression in the population. Impact: Our results indicate a bi-phasic pattern of MITF expression and although not useful as a prognostic marker these results are in line with other experimental studies and are relevant to explore further.
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| 10. |
- Agnarsdóttir, Margrét, 1970-, et al.
(author)
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Protein Biomarkers in Malignant Melanoma: An Image Analysis-Based Study on Melanoma Markers of Potential Clinical Relevance
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Other publication (other academic/artistic)abstract
- The thickness of a primary malignant melanoma tumor is the most important prognostic indicator for a patient with primary cutaneous malignant melanoma. To optimize the management and treatment of melanoma patients there is an unmet need to identify characteristics that can further stratify melanoma patients into high or low risk for progressive disease. Despite numerous studies no single marker has yet been shown to add significant prognostic information. An algorithmic approach, combining data from several markers provides an attractive model to identify patients of increased risk of dying from malignant melanoma. The primary aim of the present study was to analyze the correlation between clinical outcome and protein expression patterns of multiple proteins in malignant melanoma tumors using immunohistochemistry and tissue microarrays. Candidate proteins were identified based on a selective and differential expression pattern in melanoma tumors and tested in a cohort of 143 melanoma patients. Protein expression was analyzed using both manual scoring and automated image analysis-based algorithms. We found no single marker of prognosis that was independent of tumor thickness. When combining potential prognostic markers we could define a prognostic index, based on RBM3, MITF, SOX10 and Ki-67, that was independent of tumor thickness in multivariate analysis. Our findings suggest that a good prognosis signature can be identified in melanoma patients with tumors showing a low fraction of Ki-67 positive tumor cells and a high fraction of RBM3 positive tumor cells combined with low intensity levels of SOX10 and MITF.
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