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| 7. |
- Hodges, Gethin W., et al.
(författare)
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Effect of simvastatin and ezetimibe on suPAR levels and outcomes
- 2018
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Ingår i: Atherosclerosis. - : ELSEVIER IRELAND LTD. - 0021-9150 .- 1879-1484. ; 272, s. 129-136
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Tidskriftsartikel (refereegranskat)abstract
- Background and aims: Soluble urokinase plasminogen activator receptor (suPAR) is an inflammatory marker associated with cardiovascular disease. Statins lower both low-density lipoprotein (LDL)-cholesterol and C-reactive protein (CRP), resulting in improved outcomes. However, whether lipid-lowering therapy also lowers suPAR levels is unknown.& para;& para;Methods: We investigated whether treatment with Simvastatin 40 mg and Ezetimibe 10 mg lowered plasma suPAR levels in 1838 patients with mild-moderate, asymptomatic aortic stenosis, included in the Simvastatin and Ezetimibe in Aortic Stenosis (SEAS) study, using a pattern mixture model. A 1-year Cox analysis, adjusted for established cardiovascular risk factors, allocation to study treatment, peak aortic valve velocity and baseline suPAR, was performed to evaluate relationships between change in suPAR with all-cause mortality and the composite endpoint of major cardiovascular events (MCE) composed of ischemic cardiovascular events (ICE) and aortic valve related events (AVE).& para;& para;Results: After 4.3 years of follow-up, suPAR levels had increased by 9.2% (95% confidence interval [CI]: 7.0%-11.5%) in the placebo group, but only by 4.1% (1.9%-6.2%) in the group with lipid-lowering treatment (p<0.001). In a multivariate 1-year analysis, 1-year suPAR was strongly associated with all-cause mortality, hazard ratio (HR) = 2.05 (1.17-3.61); MCE 1.40 (1.01-1.92); and AVE 1.42 (1.02-1.99) (all p<0.042) for each doubling of suPAR; but was not associated with ICE.& para;& para;Conclusions: Simvastatin and Ezetimibe treatment impeded the progression of the time-related increase in plasma suPAR levels. Year-1 suPAR was associated with all-cause mortality, MCE, and AVE irrespective of baseline levels (SEAS study: NCT00092677). (C) 2018 Elsevier B.V. All rights reserved.
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| 9. |
- Lindholm, Torun, et al.
(författare)
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Infants and toddlers remembering and forgetting of a stressful medical procedure
- 2009
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Ingår i: Journal of Pediatric Psychology. - : Oxford University Press (OUP). - 0146-8693 .- 1465-735X. ; 34:2, s. 205-216
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To examine whether a distressing medical procedure leaves lasting impressions in young children’s memories. Methods: Children 12- to 78-weeks old (Nfl172) received inhalation treatment through a face mask or underwent other interventions at a pediatric emergency department. They were randomized to be presented with neutral cues and cues from the inhalation 1 week or 6 months after the target event. Children’s reactions at cue presentation were scored from videotapes. Results: Across the age span tested, children treated with inhalation showed higher distress than controls when presented with cues from inhalation 1 week, but not 6 months after target treatment. Conclusions: Stress during medical procedures in preverbal children may develop as a result of prior experience of such procedures. These memories typically seem to fade within 6 months.
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| 10. |
- Lucking, Andrew J, et al.
(författare)
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Particle traps prevent adverse vascular and prothrombotic effects of diesel engine exhaust inhalation in men
- 2011
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Ingår i: Circulation. - 0009-7322 .- 1524-4539. ; 123:16, s. 1721-1728
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: In controlled human exposure studies, diesel engine exhaust inhalation impairs vascular function and enhances thrombus formation. The aim of the present study was to establish whether an exhaust particle trap could prevent these adverse cardiovascular effects in men. METHODS AND RESULTS: Nineteen healthy volunteers (mean age, 25±3 years) were exposed to filtered air and diesel exhaust in the presence or absence of a particle trap for 1 hour in a randomized, double-blind, 3-way crossover trial. Bilateral forearm blood flow and plasma fibrinolytic factors were assessed with venous occlusion plethysmography and blood sampling during intra-arterial infusion of acetylcholine, bradykinin, sodium nitroprusside, and verapamil. Ex vivo thrombus formation was determined with the use of the Badimon chamber. Compared with filtered air, diesel exhaust inhalation was associated with reduced vasodilatation and increased ex vivo thrombus formation under both low- and high-shear conditions. The particle trap markedly reduced diesel exhaust particulate number (from 150 000 to 300 000/cm(3) to 30 to 300/cm(3); P<0.001) and mass (320±10 to 7.2±2.0 μg/m(3); P<0.001), and was associated with increased vasodilatation, reduced thrombus formation, and an increase in tissue-type plasminogen activator release. CONCLUSIONS: Exhaust particle traps are a highly efficient method of reducing particle emissions from diesel engines. With a range of surrogate measures, the use of a particle trap prevents several adverse cardiovascular effects of exhaust inhalation in men. Given these beneficial effects on biomarkers of cardiovascular health, the widespread use of particle traps on diesel-powered vehicles may have substantial public health benefits and reduce the burden of cardiovascular disease.
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| 13. |
- Pirinen, E., et al.
(författare)
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Enhanced polyamine catabolism alters homeostatic control of white adipose tissue mass, energy expenditure, and glucose metabolism
- 2007
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Ingår i: Mol Cell Biol. - 0270-7306. ; 27:13, s. 4953-67
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Tidskriftsartikel (refereegranskat)abstract
- Peroxisome proliferator-activated receptor gamma coactivator 1 alpha (PGC-1 alpha) is an attractive candidate gene for type 2 diabetes, as genes of the oxidative phosphorylation (OXPHOS) pathway are coordinatively downregulated by reduced expression of PGC-1 alpha in skeletal muscle and adipose tissue of patients with type 2 diabetes. Here we demonstrate that transgenic mice with activated polyamine catabolism due to overexpression of spermidine/spermine N(1)-acetyltransferase (SSAT) had reduced white adipose tissue (WAT) mass, high basal metabolic rate, improved glucose tolerance, high insulin sensitivity, and enhanced expression of the OXPHOS genes, coordinated by increased levels of PGC-1 alpha and 5'-AMP-activated protein kinase (AMPK) in WAT. As accelerated polyamine flux caused by SSAT overexpression depleted the ATP pool in adipocytes of SSAT mice and N(1),N(11)-diethylnorspermine-treated wild-type fetal fibroblasts, we propose that low ATP levels lead to the induction of AMPK, which in turn activates PGC-1 alpha in WAT of SSAT mice. Our hypothesis is supported by the finding that the phenotype of SSAT mice was reversed when the accelerated polyamine flux was reduced by the inhibition of polyamine biosynthesis in WAT. The involvement of polyamine catabolism in the regulation of energy and glucose metabolism may offer a novel target for drug development for obesity and type 2 diabetes.
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- Weidemann, Eva, et al.
(författare)
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14th congress of combustion by-products and their health effects-origin, fate, and health effects of combustion-related air pollutants in the coming era of bio-based energy sources
- 2016
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Ingår i: Environmental Science and Pollution Research. - : Springer Science and Business Media LLC. - 0944-1344 .- 1614-7499. ; 23:8, s. 8141-8159
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Tidskriftsartikel (refereegranskat)abstract
- The 14th International Congress on Combustion By-Products and Their Health Effects was held in UmeAyen, Sweden from June 14th to 17th, 2015. The Congress, mainly sponsored by the National Institute of Environmental Health Sciences Superfund Research Program and the Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning, focused on the Origin, fate and health effects of combustion-related air pollutants in the coming era of bio-based energy sources. The international delegates included academic and government researchers, engineers, scientists, policymakers and representatives of industrial partners. The Congress provided a unique forum for the discussion of scientific advances in this research area since it addressed in combination the health-related issues and the environmental implications of combustion by-products. The scientific outcomes of the Congress included the consensus opinions that: (a) there is a correlation between human exposure to particulate matter and increased cardiac and respiratory morbidity and mortality; (b) because currently available data does not support the assessment of differences in health outcomes between biomass smoke and other particulates in outdoor air, the potential human health and environmental impacts of emerging air-pollution sources must be addressed. Assessment will require the development of new approaches to characterize combustion emissions through advanced sampling and analytical methods. The Congress also concluded the need for better and more sustainable e-waste management and improved policies, usage and disposal methods for materials containing flame retardants.
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| 19. |
- Aidas, Kestutis, et al.
(författare)
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The Dalton quantum chemistry program system
- 2014
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Ingår i: WIREs Computational Molecular Science. - : Wiley. - 1759-0876 .- 1759-0884. ; 4:3, s. 269-284
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Tidskriftsartikel (refereegranskat)abstract
- Dalton is a powerful general-purpose program system for the study of molecular electronic structure at the Hartree-Fock, Kohn-Sham, multiconfigurational self-consistent-field, MOller-Plesset, configuration-interaction, and coupled-cluster levels of theory. Apart from the total energy, a wide variety of molecular properties may be calculated using these electronic-structure models. Molecular gradients and Hessians are available for geometry optimizations, molecular dynamics, and vibrational studies, whereas magnetic resonance and optical activity can be studied in a gauge-origin-invariant manner. Frequency-dependent molecular properties can be calculated using linear, quadratic, and cubic response theory. A large number of singlet and triplet perturbation operators are available for the study of one-, two-, and three-photon processes. Environmental effects may be included using various dielectric-medium and quantum-mechanics/molecular-mechanics models. Large molecules may be studied using linear-scaling and massively parallel algorithms. Dalton is distributed at no cost from for a number of UNIX platforms.
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| 20. |
- Amin, Kawa, et al.
(författare)
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Inflammation and structural changes in the airways of patients with primary Sjogren's syndrome
- 2001
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Ingår i: Respiratory Medicine. - : Elsevier BV. - 0954-6111 .- 1532-3064. ; 95:11, s. 904-910
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Tidskriftsartikel (refereegranskat)abstract
- The present study aimed to compare the cellular pattern and structural changes in the airways of patients with primary Sjögren's syndrome (pSS) with healthy controls. Bronchial biopsy specimens were obtained from seven subjects with pSS and seven healthy controls. All the patients with pSS had increased bronchial responsiveness to methacholine. In the biopsies inflammatory cells, cytokine-producing cells, tenascin and laminin were visual zed by immunostaining. Patients with pSS had a higher number of neutrophils and mast cells than healthy controls, while the number of eosinophils was similar in the two groups. The number of IL-8-positive cells was higher in pSS butthe numbers of IL-4-and IL-5-positive cells were not significantly different between pSS and healthy controls. The numbers of T cells in patients with pSS were higher than in healthy controls, while the numbers of CD25-positive cells were similar to the healthy controls. The degree of epithelial integrity in patients with pSS was significantly lower than in the control group and the tenascin and laminin layers were significantly thicker in the pSS group. There was a correlation between the number of mast cells and the thickness of the tenascin and laminin layers in pSS. In conclusion, we found that the cellular pattern in the bronchial mucosa of patients with pSS displayed large numbers of neutrophils, mast cells and T-lymphocytes. These changes in inflammatory cell numbers seemed to relate to the observed increased epithelial damage and structural changes of the subepithelium. The structural findings, but not the pattern of inflammatory cells, are shared with atopic asthma and may relate to the increased bronchial hyper-responsiveness seen in both diseases.
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| 21. |
- Andreassen, Maria, et al.
(författare)
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Digital Support for Persons with Cognitive Impairment
- 2017
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Ingår i: Harnessing the Power of Technology to Improve Lives. - : IOS Press. - 9781614997979 - 9781614997986 ; , s. 5-8
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Konferensbidrag (refereegranskat)abstract
- Cognitive impairment may cause difficulties in planning and initiating daily activities, as well as remembering to do what is scheduled. This study investigates the effectiveness of an interactive web-based mobile reminder calendar that sends text messages to the users mobile phone as support in everyday life, for persons with cognitive impairment due to neurological injury/diagnoses. The study has a randomised controlled trail design with data collection at baseline and at follow-up sessions after two and four months. Data collection started in August 2016 and continues until December 2017. The interactive web-based mobile reminder calendar may give the needed support to remind the person and thus increase the ability to perform activities and to be independence in everyday life. Preliminary results will be presented regarding what effect the interactive web-based mobile reminder calendar have for the participants performance of everyday life activities as well as perceived quality of life.
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| 22. |
- Apfalter, Petra, et al.
(författare)
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Multicenter comparison trial of DNA extraction methods and PCR assays for detection of Chlamydia pneumoniae in endarterectomy specimens
- 2001
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Ingår i: Journal of Clinical Microbiology. - 1098-660X. ; 39:2, s. 519-524
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Tidskriftsartikel (refereegranskat)abstract
- The reported rate of detection of Chlamydia pneumoniae DNA within atherosclerotic lesions by PCR varies between 0 and 100%. In this study, identical sets of coded experimental atheroma samples (n = 15) and spiked controls (n = 5) were analyzed by 16 test methods in nine centers by means of PCR. The positive controls were correctly identified to levels of 1, 0.1, and 0.01 inclusion bodies of C. pneumoniae/ml of tissue homogenate by 16 (100%), 11 (69%), and 3 (19%) of the test methods, respectively. Three out of 16 negative controls (19%) were rated positive. Positivity rates for atheroma samples varied between 0 and 60% for the different test methods, with the maximum concordant result for positivity being only 25% for one carotid artery sample. There was no consistent pattern of positive results among the various laboratories, and there was no correlation between the detection rates and the sensitivity of the assay used.
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| 23. |
- Barath, Stefan, et al.
(författare)
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Impaired vascular function after exposure to diesel exhaust generated at urban transient running conditions
- 2010
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Ingår i: Particle and Fibre Toxicology. - : BioMed Central. - 1743-8977. ; 7:1, s. 19-
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Traffic emissions including diesel engine exhaust are associated with increased respiratory and cardiovascular morbidity and mortality. Controlled human exposure studies have demonstrated impaired vascular function after inhalation of exhaust generated by a diesel engine under idling conditions.OBJECTIVES: To assess the vascular and fibrinolytic effects of exposure to diesel exhaust generated during urban-cycle running conditions that mimic ambient 'real-world' exposures.METHODS: In a randomised double-blind crossover study, eighteen healthy male volunteers were exposed to diesel exhaust (approximately 250 mug/m3) or filtered air for one hour during intermittent exercise. Diesel exhaust was generated during the urban part of the standardized European Transient Cycle. Six hours post-exposure, vascular vasomotor and fibrinolytic function was assessed during venous occlusion plethysmography with intra-arterial agonist infusions.MEASUREMENTS AND MAIN RESULTS: Forearm blood flow increased in a dose-dependent manner with both endothelial-dependent (acetylcholine and bradykinin) and endothelial-independent (sodium nitroprusside and verapamil) vasodilators. Diesel exhaust exposure attenuated the vasodilatation to acetylcholine (P < 0.001), bradykinin (P < 0.05), sodium nitroprusside (P < 0.05) and verapamil (P < 0.001). In addition, the net release of tissue plasminogen activator during bradykinin infusion was impaired following diesel exhaust exposure (P < 0.05).CONCLUSION: Exposure to diesel exhaust generated under transient running conditions, as a relevant model of urban air pollution, impairs vasomotor function and endogenous fibrinolysis in a similar way as exposure to diesel exhaust generated at idling. This indicates that adverse vascular effects of diesel exhaust inhalation occur over different running conditions with varying exhaust composition and concentrations as well as physicochemical particle properties. Importantly, exposure to diesel exhaust under ETC conditions was also associated with a novel finding of impaired of calcium channel-dependent vasomotor function. This implies that certain cardiovascular endpoints seem to be related to general diesel exhaust properties, whereas the novel calcium flux-related effect may be associated with exhaust properties more specific for the ETC condition, for example a higher content of diesel soot particles along with their adsorbed organic compounds.
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| 25. |
- Bernhardt, J, et al.
(författare)
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CASE Needs Analysis. Summary. Findings on Competencies for Sustainability-driven Entrepreneurship. Based on interviews with partners from sustainability-driven enterprises and universities.
- 2016
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- The report represents the main outputs of the needs analysis of work package 1 (WP1) within the CASE project. The specific aim of the report and WP1 is to summarize concrete needs and necessary competencies for sustainability-driven entrepreneurship. For this purpose a qualitative research approach was chosen to bring together perspectives of enterprises and universities concerning a future collaboration as a possible starting-point for a long-lasting multistakeholder network. Furthermore an analysis of best practice examples was necessary in order to create synergies and use existing knowledge and good experiences of teaching towards sustainability-driven entrepreneurship. As the results show, both, companies and universities, are highly aware of the huge challenges for society, economy and natural environment on a global and regional level. That calls for integrated, holistic approaches and for comprehensive socio-economic transformation processes, involving various stakeholders from entrepreneurial, societal and educational contexts. As disciplinary analysis quickly reach their limits, research and practice for sustainability-driven entrepreneurship require comprehensive and integrated approaches. Multistakeholder networks could provide the right learning environments for complex sustainability issues.
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| 26. |
- Biberhofer, P, et al.
(författare)
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Joint CASE Report on Content and Methods for the Joint Master Program on Sustainability-driven Entrepreneurship
- 2016
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- The CASE project develops a joint master program on sustainability-driven entrepreneurship in a university-business knowledge alliance. However, it is not only for the development of the master program that university opens up to consider and integrate further stakeholder perspectives into the process. The future students shall learn in a transdisciplinary learning environment, steadily researching and integrating real-world needs and perspectives to develop competencies that enable them to solve complex sustainability-problems in their further careers. In the CASE project, we aim to avoid the indicated gap between sustainability-oriented, real-world contents and not corresponding pedagogical frameworks. We connect the development of contents and methods in the two interlinked work packages 3 and 4 in terms of process and outcomes (see Figure 1 for an overview of the WPs that contribute to the development of the master program). WP 3 is focusing on relevant content areas for the master program and WP 4 is analyzing innovative methods to foster competencies of sustainability-driven entrepreneurship. The output of the two WPs is this joint report describing the joint development process, giving background information on relevant content areas for sustainability-driven entrepreneurship and adequate teaching and learning approaches. In the course of the development process of WP 3 and WP 4 we considered different regional requirements and needs of the universities that are part of the CASE consortium and further stakeholders via participatory multi-stakeholder workshops. In chapter 1.3 we describe this process in detail and particularly elaborate on the multi-stakeholder approach chosen in the CASE project. This development process first covered clustering relevant topics to thematic areas, then structuring these into modules and courses with various teaching formats. Finally, we added recommendations for concrete teaching and learning methods. The report outlines modules for a master program that are designed to foster competencies of sustainability-driven entrepreneurship. Since the overarching aim of the CASE project is to develop a joint master program that can be adopted by various European universities, we are ambitious to create modules which are adaptable and can flexibly be implemented in different regional contexts and under differing conditions of universities. With this report, we are sharing our knowledge and experiences gained so far to make them accessible to HEIs, company partners and all other stakeholders interested in the topic of sustainability-driven entrepreneurship and in innovative teaching and learning methods.
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| 30. |
- Björnsson, E., et al.
(författare)
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Eosinophil peroxidase : a new serum marker of atopy and bronchial hyper-responsiveness
- 1996
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Ingår i: Respiratory Medicine. - 0954-6111 .- 1532-3064. ; 90:1, s. 39-46
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Tidskriftsartikel (refereegranskat)abstract
- Do markers of eosinophil activation differ in their ability to detect subjects with atopy or bronchial hyper-responsiveness (BHR)? Comparisons of serum levels of eosinophil peroxidase (S-EPO), of eosinophil cationic protein (S-ECP) and the blood eosinophil count (B-Eos) have been made between 154 subjects aged 20-44 years, participating in the European Community Respiratory Health Survey in Uppsala, Sweden. Subjects with atopy had significantly higher levels of S-EPO and S-ECP than those without atopy (P <0 center dot 001). Subjects with BHR had significantly higher levels of S-EPO (P <0 center dot 001) and B-Eos (P <0 center dot 01) than subjects without BHR. Persons reporting asthma-related symptoms had significantly higher levels of S-EPO and B-Eos than subjects without such symptoms (P <0 center dot 001 and P <0 center dot 01, respectively). Asthma symptom score correlated significantly to S-EPO (r = 0 center dot 26, P <0 center dot 01), S-ECP (r = 0 center dot 20, P <0 center dot 05) and B-Eos (r = 0 center dot 18, P <0 center dot 05). Finally, S-EPO was significantly more sensitive than S-ECP for detecting subjects with BHR (P <0 center dot 05) and significantly more sensitive than B-Eos for detecting both subjects with BHR and subjects with a combination of atopy and BHR (P <0 center dot 05). It is concluded that S-EPO is a promising marker with a higher sensitivity for BHR than S-ECP or B-Eos. Further studies are needed to define the value of S-EPO when following disease activity.
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| 31. |
- Bläckberg, Lisa, et al.
(författare)
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Investigations of surface coatings to reduce memory effect in plastic scintillator detectors used for radioxenon detection
- 2011
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Ingår i: Nuclear Instruments and Methods in Physics Research Section A. - : Elsevier BV. - 0168-9002 .- 1872-9576. ; 656:1, s. 84-91
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Tidskriftsartikel (refereegranskat)abstract
- In this work Al(2)O(3) and SiO(2) coatings are tested as Xe diffusion barriers on plastic scintillator substrates. The motivation is improved beta-gamma coincidence detection systems, used to measure atmospheric radioxenon within the verification regime of the Comprehensive Nuclear-Test-Ban Treaty. One major drawback with the current setup of these systems is that the radioxenon tends to diffuse into the plastic scintillator material responsible for the beta detection, resulting in an unwanted memory effect. Here, coatings with thicknesses between 20 and 900 nm have been deposited onto plastic scintillators, and investigated using two different experimental techniques. The results show that all tested coatings reduce the Xe diffusion into the plastic. The reduction is observed to increase with coating thickness for both coating materials. The 425 nm Al(2)O(3) coating is the most successful one, presenting a diffusion reduction of a factor 100, compared to uncoated plastic. In terms of memory effect reduction this coating is thus a viable solution to the problem in question.
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| 34. |
- Boman, I-L, et al.
(författare)
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Cognitive training in home environment
- 2004
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Ingår i: Brain Injury. - : Informa UK Limited. - 0269-9052 .- 1362-301X. ; 18:10, s. 985-995
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Tidskriftsartikel (refereegranskat)abstract
- PRIMARY OBJECTIVE: To examine the efficacy of cognitive rehabilitation in the patient's home or vocational environment. Research design: Pre-post-follow-up design. METHODS AND PROCEDURES: Ten outpatients with acquired attention and memory problems received cognitive training three times weekly, for 3 weeks. They received individual attention training with Attention Process Training, training for generalization for everyday activities and education in compensatory strategies for self-selected cognitive problems. Treatment effects were evaluated with neuropsychological and occupational therapy instruments before and after the training and after 3 months on impairment, activity and participation levels. MAIN OUTCOMES AND RESULTS: The results indicated a positive effect on some measures on impairment level, but no differences on activity or participation levels at follow-up. CONCLUSIONS: The study indicates that home-based cognitive training improves some attentional and memory functions and facilitates learning of strategies. Future controlled studies are needed to confirm the results and analyse the efficacy of different aspects of home-based training.
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| 35. |
- Boman, Inga-Lill, et al.
(författare)
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Support in everyday activities by a home-based electronic memory aid for persons with memory impairments
- 2010
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Ingår i: Disability and Rehabilitation: Assistive Technology. - : Informa. - 1748-3107 .- 1748-3115. ; 5:5, s. 339-350
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: The purposes of this study was to examine the possibilities of a home-based electronic memory aid with sensors for persons with memory impairments, as support to carry out everyday activities in their own home environments. METHOD: The method involved a single-subject study with a multiple baseline AB design. Five participants identified three activities each that they usually forget to carry out. An electronic memory aid with individually spoken reminders was installed in the participant's home. There were automatic computer registrations of completed activities during the study phase of 12 weeks. Assessments of functioning and quality of life (QoL) were conducted before and after the intervention and at follow-up after 2 months. RESULTS: Four participants improved in completing most of the self-chosen activities when the electronic memory aid was used. Performance and satisfaction with performance and QoL improved, but there was no memory function improvement. There were technical problems with the aid, which had a negative effect for users. CONCLUSIONS: Electronic memory aids have a large potential for supporting persons with cognitive impairments. It is important to conduct follow-up afterwards, because the use of an aid and the need of support change over time and put high demands on technical reliability of the electronic memory aid.
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| 36. |
- Boman, I L, et al.
(författare)
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Using electronic aids to daily living after acquired brain injury : a study of the learning process and the usability.
- 2007
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Ingår i: Disability and Rehabilitation. - : Informa UK Limited. - 1748-3107 .- 1748-3115. ; 2:1, s. 23-33
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: The purpose was to study the ability of persons with memory impairments after acquired brain injury to learn how to and use electronic aids to daily living (EADL) and to describe changes in function and quality of life. METHOD: Eight participants stayed in two apartments equipped with a set of basic and advanced EADL for either 4 or 6 months during an intervention time of 2 years. The teaching and learning method was influenced by certain principles of errorless learning. Ability to learn to use EADL was measured by structured observations. Function and quality of life were assessed with self-rating questionnaires. RESULTS: Results indicate that the participants learned to use EADL in their everyday activities. They perceived that EADL were very useful and easy to learn. Occupational performance and satisfaction with occupational performance and quality of life was improved. CONCLUSION: The results indicate that EADL may play an important role in facilitating everyday activities and improve satisfaction with occupational performance and quality of life for people with memory impairments. The study indicates the importance of adjusting technology to the user's needs and calls for more consideration for human-technology interaction factors.
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| 37. |
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| 38. |
- Boman, J, et al.
(författare)
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High prevalence of Chlamydia pneumoniae DNA in peripheral blood mononuclear cells in patients with cardiovascular disease and in middle-aged blood donors.
- 1998
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Ingår i: Journal of Infectious Diseases. - 0022-1899 .- 1537-6613. ; 178:1
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Tidskriftsartikel (refereegranskat)abstract
- Nested polymerase chain reaction (nPCR) demonstrated the presence of Chlamydia pneumoniae-specific DNA in peripheral blood mononuclear cells (PBMC). PBMC samples were obtained from 103 consecutive patients (62 male, 41 female) aged 22-85 years (mean, 64) admitted for coronary angiography because of suspected coronary heart disease and from 52 blood donors (43 male, 9 female) aged 40-64 years (mean, 49). Of the 101 evaluable patients, 60 (59%) were identified by nPCR assay as C. pneumoniae DNA carriers; C. pneumoniae-specific microimmunofluorescence (MIF) serology confirmed exposure to the bacterium in 57 (95%) of the 60 nPCR-positive patients. Among the 52 blood donors, the nPCR assay identified 24 (46%) C. pneumoniae DNA carriers, all of whom were positive by C. pneumoniae-specific serology. Thirty-two patients (32%) and 23 blood donors (44%) were MIF antibody-positive but repeatedly nPCR-negative; Bartonella henselae- or Bartonella quintana-specific antibodies were not detected among any of these subjects. In this study, C. pneumoniae DNA was common in PBMC of patients with coronary heart disease and in middle-aged blood donors.
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| 47. |
- Brackmann, Christian, et al.
(författare)
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Laser-induced fluorescence of formaldehyde in combustion using third harmonic Nd : YAG laser excitation
- 2003
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Ingår i: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. - 1386-1425. ; 59:14, s. 3347-3356
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Tidskriftsartikel (refereegranskat)abstract
- Formaldehyde (CH2O) is an important intermediate species in combustion processes and it can through laser-induced fluorescence measurements be used for instantaneous flame front detection. The present study has focussed on the use of the third harmonic of a Nd:YAG laser at 355 nm as excitation wavelength for formaldehyde, and different dimethyl ether (C2H6O) flames were used as sources of formaldehyde in the experiments. The investigations included studies of the overlap between the laser profile and the absorption lines of formaldehyde, saturation effects and the potential occurrence of laser-induced photochemistry. The technique was applied for detection of formaldehyde in an internal combustion engine operated both as a spark ignition engine and as a homogenous charge compression ignition engine. (C) 2003 Elsevier B.V. All rights reserved.
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