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- Castro-Tirado, A. J., et al.
(författare)
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GRB 030227 : The first multiwavelength afterglow of an INTEGRAL GRB
- 2003
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Ingår i: Astronomy & Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 411:1, s. 315-319
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Tidskriftsartikel (refereegranskat)abstract
- We present multiwavelength observations of a gamma-ray burst detected byINTEGRAL (GRB 030227) between 5.3 hours and ~ 1.7days after the event. Here we report the discovery of a dim opticalafterglow (OA) that would not have been detected by many previoussearches due to its faintess (R ~ 23). This OA was seen to declinefollowing a power law decay with index alpha R = -0.95 +/-0.16. The spectral index beta_ opt/NIR yielded -1.25 +/- 0.14. Thesevalues may be explained by a relativistic expansion of a fireball (withp = 2.0) in the cooling regime. We also find evidence for inverseCompton scattering in X-rays.Based on observations with INTEGRAL, an ESA project with instruments andscience data centre funded by ESA member states (especially the PIcountries: Denmark, France, Germany, Italy, Switzerland, Spain), CzechRepublic and Poland, and with the participation of Russia and the USA.Also partially based on observations collected by the Gamma-Ray BurstCollaboration at ESO (GRACE) at the European Southern Observatory, Chile(ESO Large Programme 165.H-0464).
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| 4. |
- Smith, P B, et al.
(författare)
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Cultural values, sources of guidance, and their relevance to managerial behavior - A 47-nation study
- 2002
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Ingår i: Journal of Cross-Cultural Psychology. - : Sage Publications. - 0022-0221 .- 1552-5422. ; 33:2, s. 188-208
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Tidskriftsartikel (refereegranskat)abstract
- Data are presented showing how middle managers in 47 countries report handling eight specific work events. The data are used to test the ability of cultural value dimensions derived from the work of Hofstede. Trompenaars, and Schwartz to predict the specific sources of guidance on which managers rely. Focusing on sources of guidance is expected to provide a more precise basis than do generalized measures of values for understanding the behaviors that prevail within different cultures. Values are strongly predictive of reliance on those sources of guidance that are relevant to vertical relationships within organizations. Hock ever, values are less successful in predicting reliance on peers and on more tacit sources of guidance. Explaining national differences in these neglected aspects of organizational processes will require greater sensitivity to the culture-specific contexts within which they occur.
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- Akesson, E, et al.
(författare)
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A genome-wide screen for linkage in Nordic sib-pairs with multiple sclerosis
- 2002
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Ingår i: Genes and Immunity. - : Springer Science and Business Media LLC. - 1476-5470 .- 1466-4879. ; 3:5, s. 279-285
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Tidskriftsartikel (refereegranskat)abstract
- Genetic factors influence susceptibility to multiple sclerosis but the responsible genes remain largely undefined, association with MHC class II alleles being the only established genetic feature of the disease. The Nordic countries have a high prevalence of multiple sclerosis, and to further explore the genetic background of the disease, we have carried out a genome-wide screen for linkage in 136 sibling-pairs with multiple sclerosis from Denmark, Finland, Norway and Sweden by typing 399 microsatellite markers. Seventeen regions where the lod score exceeds the nominal 5% significance threshold (0.7) were identified-1q11-24, 2q24-32, 3p26.3, 3q21.1, 4q12, 6p25.3, 6p21-22, 6q21, 9q34.3, 10p15, 10p12-13, 11p15.5, 12q21.3, 16p13.3, 17q25.3, 22q12-13 and Xp22.3. Although none of these regions reaches the level of genome-wide significance, the number observed exceeds the 10 that would be expected by chance alone. Our results significantly add to the growing body of linkage data relating to multiple sclerosis.
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| 6. |
- Harbo, HF, et al.
(författare)
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Two genome-wide linkage disequilibrium screens in Scandinavian multiple sclerosis patients
- 2003
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Ingår i: Journal of Neuroimmunology. - : Elsevier BV. - 1872-8421 .- 0165-5728. ; 143:1-2, s. 101-106
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Tidskriftsartikel (refereegranskat)abstract
- We report the first two genome-wide screens for linkage disequilibrium between putative multiple sclerosis (MS) susceptibility genes and genetic markers performed in the genetically homogenous Scandinavian population, using 6000 microsatellite markers and DNA pools of approximately 200 MS cases and 200 controls in each screen. Usable data were achieved from the same 3331 markers in both screens. Nine markers from eight genomic regions (1p33, 3q13, 6p21, 6q14, 7p22, 9p21, 9q21 and Xq22) were identified as potentially associated with MS in both screens. (C) 2003 Elsevier B.V. All rights reserved.
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- Andersen A.C., Sotelo J.A., Pustovit V.N., Niklasson G.A.
(författare)
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Interstellar extinction by fractal polycrystalline graphite clusters?
- 2002
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Ingår i: Electromagnetic and Light Scattering by Non-spherical Particles. - : Army Research Laboratory. ; , s. 1-4
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Konferensbidrag (refereegranskat)abstract
- Certain dust particles in space are expected to appear as clusters of individual grains. The morphology of these clusters could be fractal or compact. To determine how these structural features would affect the interpretation of the observed interstellar
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| 14. |
- Beutler, A., et al.
(författare)
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Identification of a laterally mobile state during CO adsorption
- 2000
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Ingår i: Journal of Physics: Condensed Matter. - : IOP Publishing. - 0953-8984 .- 1361-648X. ; 12:6, s. 765-772
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Tidskriftsartikel (refereegranskat)abstract
- We have investigated CO adsorption at 300 K on ∼ 1.5 atomic layer thick Pd films on a Mo(110) surface by high-resolution core level photoemission. We describe how high-resolution core level spectroscopy may be utilized to study the influence of laterally mobile states on the sticking probability of molecules on such a laterally heterogeneous surface. The present Pd films are laterally heterogeneous in the sense that the additional ∼ 0.5 atomic Pd layer forms mesoscopic one-layer thick islands on top of the first Pd layer. At 300 K, CO chemisorbs on these two-layer thick islands but not on the one-layer parts of the film. The rate at which these two-layer islands are filled by CO molecules as the surface is exposed to CO is found to be consistent with a picture where CO molecules that initially impinge on the one-layer parts of the surface enter a laterally mobile state and diffuse to the two-layer islands and adsorb there. This mobile state is in many respects similar to a classical precursor state.
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| 16. |
- Carel, RH, et al.
(författare)
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Exposure to asbestos and lung and pleural cancer mortality among pulp and paper industry workers
- 2002
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Ingår i: Journal of Occupational and Environmental Medicine. - 1076-2752 .- 1536-5948. ; 44:6, s. 579-584
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Tidskriftsartikel (refereegranskat)abstract
- We studied the mortality from lung and pleural cancers in a cohort of 62, 937 male workers employed for at least 1 year in the pulp and paper industry in 13 countries during 1945 to 1996. Mill departments were classified according to probability and level of exposure to asbestos on the basis of available dust measurements and mill-specific information on exposure circumstances. Thirty-six percent of workers were classified as ever exposed to asbestos. Standardized mortality ratios of lung cancer were 0.99 (95 % confidence interval [CI], 0.90 to 1.08) among unexposed and 1.00 (95 % CI, 0.90 to 1.11) among ever exposed workers. The number of pleural cancer deaths among unexposed workers was 10, that among exposed workers was 14, most of which occurred among maintenance workers. In internal analyses, a trend in mortality from either neoplasm was suggested for estimated cumulative exposure to asbestos, weighted for the individual probability of exposure within the department and for duration of exposure (relative risk for lung cancer for 0.78+ f/cc-years, as compared with = 0.01 f/cc-years: 1.44, 95 % CI, 0.85 to 2.45, corresponding relative risk for pleural cancer: 2.43, 95% CI, 0.43 to 13.63). Despite a possible nondifferential misclassification of exposure and outcome, this study suggests that the carcinogenic effect of asbestos can be detected among workers employed in industries such as the pulp and paper industry, in which it is not considered to be a major hazard.
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| 19. |
- Nemirov, K, et al.
(författare)
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Saaremaa hantavirus in Denmark
- 2004
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Ingår i: Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology. - : Elsevier BV. - 1386-6532. ; 30:3, s. 254-257
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Tidskriftsartikel (refereegranskat)
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| 21. |
- Thunes, KH, et al.
(författare)
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The arthropod community of Scots pine (Pinus sylvestris L.) canopies in Norway
- 2004
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Ingår i: Entomologica Fennica. - 0785-8760. ; 15:2, s. 65-90
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Forskningsöversikt (refereegranskat)abstract
- We summarise the findings of arthropods collected by fogging the canopy of 24 pine trees in two sites in Eastern and Western Norway. From the samples, taken in 1998 and in 1999, almost 30,000 specimens were determined to 512 species, with Diptera being most species rich (210 species), followed by Coleoptera (76 species) and Araneae (49 species). Of the 96 new species records, nine were new to science (5 Diptera and 4 Oribatida), two were new to the European, three to the Scandinavian and 82 to the Norwegian faunas. The paper demonstrates the need for detailed faunistical inventories of European forests.
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| 22. |
- Wilkinson, JD, et al.
(författare)
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Monitoring levels of preservative sensitivity in Europe - A 10-year overview (1991-2000)
- 2002
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Ingår i: Contact Dermatitis. - : Wiley. - 0105-1873. ; 46:4, s. 207-210
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Tidskriftsartikel (refereegranskat)abstract
- A 10-year multicentre analysis of the frequency of sensitivity to common preservatives collected in 16 centres in 11 countries has shown stable but persisting high levels of sensitivity to formaldehyde and 5-chloro-2-methyl-4-isothiazolin-3-one + 2-methyl-4-isothiazolin-3-one (MCI/MI). It has also revealed a significant increase in the level of reactivity to methyldibromoglutaronitrile (MDBGN) from 0.7% in 1991 to 3.5% in 2000. The current high level of sensitivity to MDBGN requires an urgent safety re-evaluation and risk assessment update along with consideration of immediate lowering of use concentrations, especially in leave-on products.
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| 24. |
- Andersen, JR, et al.
(författare)
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Small-x phenomenology - summary and status 2002
- 2004
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Ingår i: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044. ; 35:1, s. 67-98
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Forskningsöversikt (refereegranskat)abstract
- A second workshop on small-x physics, within the Small-x Collaboration, was held in Lund in June 2002 with the aim of over-viewing recent theoretical progress in this area and summarizing the experimental status.
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| 25. |
- Andersen, NS, et al.
(författare)
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Primary treatment with autologous stem cell transplantation in mantle cell lymphoma: outcome related to remission pretransplant
- 2003
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Ingår i: European Journal of Haematology. - : Wiley. - 1600-0609 .- 0902-4441. ; 71:2, s. 73-80
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Tidskriftsartikel (refereegranskat)abstract
- Objective: The aim of the first Nordic mantle cell lymphoma (MCL) protocol was to study the clinical significance of an augmented CHOP induction chemotherapy followed by high-dose chemotherapy and autologous stem cell transplantation (ASCT) and to examine the prognostic significance of stem cell contamination rates in newly diagnosed patients with MCL. Patients and methods: Forty-one newly diagnosed patients below 66 yr were enrolled and given three series of an augmented CHOP regimen. Responders underwent stem cell mobilization with a fourth course of CHOP, stem cell harvest and ASCT. Stem cell purging was optional in the protocol and followed the routine of each participating centre. The number of tumour cells in the reinfused autografts was estimated by flow cytometry or quantitative PCR. Results: Induction therapy led to complete remission (CR) in 11 of 41 patients (27%), partial remission (PR) in 20 of 41 patients (49%) and no response in nine patients (22%), whereas one patient was not evaluable. Twenty-seven of the 31 responders underwent ASCT and 24 achieved or maintained a CR. The overall and failure-free 4-yr survival on intention-to-treat basis were 51% and 15%, respectively. Among the transplanted patients, a significantly increased failure-free (P < 0.03) and overall survival (P = 0.03) was noted among patients transplanted in CR compared with PR, respectively. By contrast, reinfusion of highly variable numbers of tumour cells with the autografts (range 0.71-80 x 10(6) tumour cells), did not affect outcome. Conclusion: In MCL, an important strategy to improve the outcome will be to intensify the induction chemotherapy.
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