Staffan Olsson, Katarina Jood,
Background and purpose The multi‐ligand receptor for a dvanced g lycation e nd‐products ( RAGE , alias AGER ) is suggested to contribute to the pathogenesis of vascular disease, but its potential role in stroke is unclear. The aim of this study was to investigate whether genetic variation in RAGE gene is associated with ischaemic stroke (IS). Methods The S ahlgrenska A cademy S tudy on I schaemic S troke comprises 844 C aucasian patients with first ever ( n = 732) and recurrent ( n = 112) IS, and 668 C aucasian ...
Tópico(s): Cerebrovascular and genetic disorders
2012 - Wiley | European Journal of Neurology
Staffan Olsson, G Oilo, E. Adamczak,
The structure of dentin on three different levels, near enamel, central, and deep dentin, was examined. The solid area available for bonding was studied in a scanning electron microscope (JSM 840) connected to a computer-assisted image analysis instrument (IBAS 2). The number of tubule openings per unit area (frequency) and the area percentages of these tubule openings were recorded. Three dentin disks were obtained from both buccally and occlusally located dentin of a single tooth (third molars were ...
Tópico(s): Dental Implant Techniques and Outcomes
1993 - Wiley | European Journal Of Oral Sciences
Tópico(s): Dental Implant Techniques and Outcomes
1990 - Elsevier BV | Dental Materials
Staffan Olsson, L. Z. Csajbok, Katarina Jood, Karin Nylén, Bengt Nellgård, Christina Jern,
Background and aim Genetic factors play a role in susceptibility to subarachnoid haemorrhage, but little is known about which genes are involved. Recently, genome wide association studies have identified the 9p21 region as a risk locus for intracranial aneurysms (IA). The aim of the present study was to examine the possible association between 9p21 and ruptured IA—that is, aneurysmal subarachnoid haemorrhage (aSAH)—in a Swedish population. There is one study showing an association between 9p21 and arterial ...
Tópico(s): Protein Tyrosine Phosphatases
2010 - BMJ | Journal of Neurology Neurosurgery & Psychiatry
Håkan Lövkvist, Magnus Sjögren, Peter Höglund, Gunnar Engström, Christina Jern, Staffan Olsson, J. G. Smith, Bo Hedblad, Gunnar Andsberg, Hossein Delavaran, Katarina Jood, Ulf Kristoffersson, Bo Norrving, Olle Melander, Cecilia M. Lindgren,
Background and purpose The Coronary Artery Disease Genome‐Wide Replication and Meta‐Analysis Study (CARDIoGRAM) reported 25 single‐nucleotide polymorphisms (SNPs) on 15 chromosomes to be associated with coronary artery disease ( CAD ) risk. Because common vascular risk factors are shared between CAD and ischaemic stroke ( IS ), these SNP s may also be related to IS overall or one or more of its pathogenetic subtypes. Methods We performed a candidate gene study comprising 3986 patients with IS and 2459 control ...
Tópico(s): Nuclear Receptors and Signaling
2013 - Wiley | European Journal of Neurology
Günter Alce, Andreas Espinoza, Ted Hartzell, Staffan Olsson, Dennis Samuelsson, Mattias Wallergård,
Lately, different wearable form factors have reached the consumer domain. Wearables enable at-a-glance access to information and can continually sense the surrounding environment. Internet of Things (IoT) researchers have focused on the main enabling factors: the integration of several technologies and communication solutions. Less effort has been devoted to exploring how not-so-tech-savvy end users can discover and directly interact with the numerous connected things predicted by the IoT vision. ...
Tópico(s): Mobile Crowdsensing and Crowdsourcing
2018 - Hindawi Publishing Corporation | Advances in Human-Computer Interaction
... doi.org/10.1177/0951629815586876George Masterton, Erik J. Olsson, Staffan Angere Linking as voting: how the Condorcet jury ...
Tópico(s): Political Philosophy and Ethics
1986 - University of Chicago Press | Ethics
Firas Aljabery, Ivan Shabo, Oliver Gimm, Staffan Jahnson, Hans Olsson,
Tópico(s): Cancer Research and Treatments
2018 - Elsevier BV | Urologic Oncology Seminars and Original Investigations
Gudrum Fredrikson, Staffan Nilsson, Håkan Olsson, Lars Björck, Bo Åkerström, Per Belfrage,
The newly described immunoglobulin G-binding streptococcal surface protein, protein G, was used to prepare and characterize rabbit antibodies. The antibodies were directed against rat hormone-sensitive lipase, the rate-limiting enzyme in the hydrolysis of the triacylglycerols stored in adipose tissue. Antiserum was obtained after two injections with 20 μg enzyme protein, and the immunoglobulin fraction was obtained using a protein G-based solid-phase radioimmunoassay. The hydrolysis of acylglycerols ...
Tópico(s): Pancreatic function and diabetes
1987 - Elsevier BV | Journal of Immunological Methods
Ulf Jansson, J.‐O. Carlsson, Bengt Stridh, Staffan Söderberg, M. Olsson,
Different boron carbides were deposited by chemical vapour deposition in a cold-wall reactor from a reaction gas mixture of BCl3, CH4 and H2. The influences of vapour composition, temperature and total pressure on the phase and chemical composition were investigated. One orthorhombic, two tetragonal and two types of rhombohedral boron carbide phases were identified. Diffraction data and chemical composition of the carbides are given. From a comparison of the results from deposition experiments and ...
Tópico(s): Thermal properties of materials
1989 - Elsevier BV | Thin Solid Films
Staffan Andersson, Marie Olsson, Eva Johansson, Kimmo Rumpunen,
Four cultivars of sea buckthorn berries were analyzed for their carotenoid and chlorophyll contents during ripening in three consecutive years. The different carotenoids generally increased in concentration during ripening and comprised from 120 to 1425 μg/g of DW of total carotenoids (1.5−18.5 mg/100 g of FW) depending on cultivar, harvest time, and year. GLM analyses revealed the effect of cultivar to be considerably larger than that of year and harvest time. The content of pheophytin a, a chlorophyll ...
Tópico(s): Botanical Studies and Applications
2008 - American Chemical Society | Journal of Agricultural and Food Chemistry
Shaojun Xiong, Staffan Landström, Rolf Olsson,
Abstract Two field experiments, one in large plots and the other in small framed plots, were conducted in Umeå, northern Sweden. The objectives were (1) to examine the seasonal patterns of rhizome growth and nutrient dynamics of the energy crop reed canary grass (Phalaris arundinacea L.) in ley I and II, and (2) to evaluate the roles of soil type (mineral vs. organic), fertilisation level (0, 50, and 100 kg N ha−1s), and season/harvest time (Oct-96, May-97, and Aug-97) on the rhizome growth and nutrient ...
Tópico(s): Seedling growth and survival studies
2008 - Taylor & Francis | Acta Agriculturae Scandinavica Section B - Soil & Plant Science
Fredrik Liedberg, Harald Anderson, Mats Bläckberg, Gunilla Chebil, Thomas Davidsson, Sigurður Guðjónsson, Staffan Jahnson, Hans Olsson, Wiking Månsson,
Objectives. To prospectively evaluate the incidence of transitional cell carcinoma (TCC) in the prostatic urethra and prostate in the cystoprostatectomy specimen, investigate characteristics of bladder tumours in relation to the risk of involvement of the prostatic urethra and prostate and examine the sensitivity of preoperative loop biopsies from the prostatic urethra. Material and methods. Preoperatively, patients were investigated with cold cup biopsies from the bladder and transurethral loop ...
Tópico(s): Urological Disorders and Treatments
2007 - Taylor & Francis | Scandinavian Journal of Urology and Nephrology
Sigurður Guðjónsson, Mats Bläckberg, Gunilla Chebil, Staffan Jahnson, Hans Olsson, Pär‐Ola Bendahl, Wiking Månsson, Fredrik Liedberg,
Study Type – Diagnostic (case series) Level of Evidence 4 What's known on the subject? and What does the study add? It is well known that CIS is a major risk factor for muscle‐invasive bladder cancer and that this entity can be difficult to diagnose. Taking cold‐cup mapping biopsies from different areas of the bladder (BMAP) is commonly used in patients at risk of harbouring CIS. The diagnostic accuracy of this approach has not been assessed until now. By using the CIS found in the cystoprostatectomy ...
Tópico(s): Urological Disorders and Treatments
2011 - Wiley | BJU International
Staffan Andersson, Marie Olsson, Karl‐Erik Gustavsson, Eva Johansson, Kimmo Rumpunen,
Rose hips are used as a food ingredient and in health products. They are rich in various bioactive compounds such as carotenoids and vitamin C, but data on their vitamin E content (tocopherols and tocotrienols) are limited. In this study, four different species of Rosa were analysed for tocopherol and tocotrienol content during ripening in three different years.Only α- and γ-tocopherol were found in the fleshy parts of the rose hips, and the tocopherol content and vitamin E activity varied depending ...
Tópico(s): Phytochemicals and Antioxidant Activities
2012 - Wiley | Journal of the Science of Food and Agriculture
Henrik Hammarberg, Olle Lidman, Cecilia Lundberg, Sana Eltayeb, Alexander W. Gielen, Saad Muhallab, Anders Svenningsson, Hans Lindå, Peter H. van der Meide, Staffan Cullheim, Tomas Olsson, Fredrik Piehl,
In experimental autoimmune encephalomyelitis (EAE), CD4(+) self-reactive T cells target myelin components of the CNS. However, the consequences of an autoaggressive T cell response against myelin for neurons are currently unknown. We herein demonstrate that EAE induced by active immunization with an encephalitogenic myelin basic protein peptide dramatically reduces the loss of spinal motoneurons after ventral root avulsion in rats. Both brain-derived neurotophic factor (BDNF)- and neurotrophin-3 (NT- ...
Tópico(s): Neuroinflammation and Neurodegeneration Mechanisms
2000 - Society for Neuroscience | Journal of Neuroscience
Eva Johansson, Abrar Hussain, Ramune Kuktaite, Staffan Andersson, Marie Olsson,
An increasing interest in organic agriculture for food production is seen throughout the world and one key reason for this interest is the assumption that organic food consumption is beneficial to public health. The present paper focuses on the background of organic agriculture, important public health related compounds from crop food and variations in the amount of health related compounds in crops. In addition, influence of organic farming on health related compounds, on pesticide residues and ...
Tópico(s): Seed and Plant Biochemistry
2014 - Multidisciplinary Digital Publishing Institute | International Journal of Environmental Research and Public Health
CARL LUNDHOLM, Bo Johan Norlén, Peter Ekman, Staffan Jahnson, Mikael Lagerkvist, Torsten Lindeborg, Jan Olov Olsson, Kjell Wijkstrom Tveter, Ronny Westberg, Per‐Uno Malmström,
... Carcinoma Carl Lundholm, Bo Johan Norlen, Peter Ekman, Staffan Jahnson, Mikael Lagerkvist, Torsten Lindeborg, Jan Olov Olsson, Kjell Wijkstrom Tveter, Hans Ronny Westberg, and Per- ... author Peter Ekman More articles by this author Staffan Jahnson More articles by this author Mikael Lagerkvist More articles by this author Torsten Lindeborg More articles by this author Jan Olov Olsson More articles by this author Kjell Wijkstrom Tveter ...
Tópico(s): Urinary Tract Infections Management
1996 - Lippincott Williams & Wilkins | The Journal of Urology
P. Staffan Karlsson, Lars E. Olsson, Kalle Hellström,
1 The consequences of investment in different long-shoot functions during one year for long-shoot growth the following season were studied in mountain birch in a subarctic environment in northern Sweden. Relationships between shoot length growth, axillary
Tópico(s): Tree Root and Stability Studies
1996 - Wiley | Journal of Ecology
Sven Bergström, Olof Olsson, Staffan Normark,
A 32P-labeled fragment of DNA, encoding the major part of the chromosomal ampC beta-lactamase gene of Escherichia coli K-12, was used as a hybridization probe for homologous DNA sequences in colonies of Neisseria gonorrhoeae, Pseudomonas aeruginosa, and different enterobacterial species. The ampC probe detected the presence of homologous DNA sequences in clinical isolates of E. coli, Shigella flexneri, Shigella sonnei, Klebsiella pneumoniae, Salmonella typhimurium, Serratia marcescens, and P. aeruginosa. ...
Tópico(s): Escherichia coli research studies
1982 - American Society for Microbiology | Journal of Bacteriology
Sven Bergström, Frederik P. Lindberg, Olof Olsson, Staffan Normark,
Specific DNA probes from Escherichia coli K-12 were used to analyze the sequence divergence of the frd and ampC operons in various species of gram-negative bacteria. These operons code for the fumarate reductase complex and the chromosomal beta-lactamase, respectively. We demonstrate that the two operons show the same general pattern of divergence, although the frd operon is considerably more conserved than is the ampC operon. The major exception is Salmonella typhimurium LT2, which shows a strong ...
Tópico(s): Bacterial Genetics and Biotechnology
1983 - American Society for Microbiology | Journal of Bacteriology
Per Hedenqvist, Mikael Olsson, Staffan Jacobson, Staffan Söderberg,
A scratch test apparatus for in situ testing of coating adhesion in the scanning electron microscope has been designed. Scratch tests were performed on TiN-coated high speed steel substrates with various coating thicknesses and substrate hardnesses. Four groups of coating damage and detachment mechanisms were identified: deformation, crack formation, chip formation and flaking. In all cases, incipient coating failure was associated with a sharp increase in the friction force readings. The maximum ...
Tópico(s): Diamond and Carbon-based Materials Research
1990 - Elsevier BV | Surface and Coatings Technology
Mikael Olsson, Staffan Söderberg, Staffan Jacobson, Sture Hogmark,
Tópico(s): Tunneling and Rock Mechanics
1989 - Elsevier BV | International Journal of Machine Tools and Manufacture
Per Hedenqvist, M. Olsson, Staffan Söderberg,
A new laboratory wear test for simulating cutting tool wear is proposed in which the contact conditions in machining are reproduced by letting a tool material pin slide continuously against a fresh countermaterial surface. Wear tests with high speed steel (HSS) pins in the uncoated and TiN coated conditions have been performed. A wear mechanism analysis demonstrates that the simulated tool wear test is able to reproduce closely the major wear mechanisms operating when machining with HSS tools. The ...
Tópico(s): Advanced machining processes and optimization
1989 - Maney Publishing | Surface Engineering
M. Olsson, Staffan Söderberg, Bengt Stridh, Ulf Jansson, J.‐O. Carlsson,
The morphology of boron carbide films prepared by chemical vapour deposition (CVD) on α-rhombohedral boron substrates has been investigated. In addition to the stable rhombohedral boron carbide (stoichiometric composition B13C2), metastable orthorhombic and tetragonal phases were obtained. Two types (I and II) of B13C2 could be distinguished with respect to morphology and, also, to the observed broadening of the X-ray diffraction lines. The observed morphologies have been related to previously obtained ...
Tópico(s): Diamond and Carbon-based Materials Research
1989 - Elsevier BV | Thin Solid Films
A Westerdahl, J. Olsson, Staffan Kjelleberg, Patricia L. Conway,
More than 400 isolates from the intestine and the external surface of farmed Scophtalmus maximus as well as from fish food and hatchery water were screened for inhibitory effects against the fish pathogen Vibrio anguillarum HI 11345 and seven other fish pathogens. The bacteria with inhibitory effects were then characterized with regard to their sites of colonization, especially the intestinal regions and sites within each region. Of the total number of bacterial isolates from the intestine, 28% ...
Tópico(s): Identification and Quantification in Food
1991 - American Society for Microbiology | Applied and Environmental Microbiology
Thomas Nyström, Rose-Marie Olsson, Staffan Kjelleberg,
The response of the marine Vibrio sp. strain S14 to starvation for carbon, nitrogen, or phosphorus and to simultaneous depletion of all these nutrients (multiple-nutrient starvation) was examined with respect to survival, stress resistance, quantitative and qualitative alterations in protein and RNA synthesis, and the induction of the stringent control. Of the conditions tested, carbon starvation and multiple-nutrient starvation both promoted long-term starvation resistance and a rapid induction ...
Tópico(s): Marine Bivalve and Aquaculture Studies
1992 - American Society for Microbiology | Applied and Environmental Microbiology
A.S. Louka, Staffan Nilsson, Martin L. Olsson, Bente A. Talseth‐Palmer, Benedicte A. Lie, J. Ek, Audur H. Gudjónsdóttir, Henry Ascher, Ludvig M. Sollid,
Abstract: Predisposition to coeliac disease (CD) involves HLA genes. We investigated whether any haplotypes modify risk when carried trans to a known high‐risk haplotype, DQA1*05‐DQB1*02. Earlier attempts to rank levels of risk contributed by the ‘other’ haplotype were burdened by use of case‐control populations; haplotype frequencies were estimated and homozygosity was only presumed. In contrast, exact haplotypes can be determined and allele transmission can be traced in families. A similar study ...
Tópico(s): Microscopic Colitis
2002 - Wiley | Tissue Antigens
Mats Olsson, Staffan Andersson, Erik Wapstra,
Background Recent work on animal signals has revealed a wide occurrence of UV signals in tetrapods, in particular birds, but also in lizards (and perhaps other Squamate reptiles). Our previous work on the Swedish sand lizard (Lacerta agilis) has verified, both in correlative selection analyses in the wild and with laboratory and field experiments, the importance of the green 'badge' on the body sides of adult males for securing mating opportunities, probably mostly through deterring rival males rather ...
Tópico(s): Plant and animal studies
2011 - Public Library of Science | PLoS ONE
Jannica Heinrichs, Mikael Olsson, Staffan Jacobson,
The tribological mechanisms behind the initiation of material transfer and build-up of transfer layers in aluminium forming have been studied in situ in the SEM where a tip of aluminium is put into contact with a tool steel surface under controlled sliding contact conditions. By combining in situ observations with post-test high resolution FEG-SEM studies of the contacting surfaces we have shown that aluminium is immediately transferred onto the fine polished tool steel. It was also confirmed that ...
Tópico(s): Advanced Surface Polishing Techniques
2012 - Elsevier BV | Wear