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A linearly polarized photon beam has been produced at MAX-lab using the coherent bremsstrahlung of electrons with an energy of 192.6 MeV in a 0.1 mm thick diamond crystal. The intensity and shape of the coherent maxima and their dependence on the crystal orientation are similar to the features observed at higher electron energies (similar to 1 GeV) and are well described by coherent bremsstrahlung
Popular Abstract in Swedish Mikroorganismer (bakterier, virus och protozoer) finns överallt I vår omgivning. Vi människor har tio gånger fler bakterier på och i oss än vi har mänskliga celler. De flesta bakterier orsakar sällan eller aldrig sjukdom, men det finns de som ofta orsakar sjukdom och dessa kallas patogener. För att skydda oss från patogener har vi ett komplicerat och välutvecklat immunfSeminal plasma is semen without the spermatozoa. Human seminal plasma is a complex mixture of secretions from the sex accessory glands, mainly the seminal vesicles and the prostate. Seminal plasma has high protein content and it also contains ions, sugars and low molecular weight components. Immediately after ejaculation the semenogelins and fibronectin aggregate and a coagulum forms trapping the
Popular Abstract in English The dissertation is divided into two parts. The first part deals with the development of a questionnaire diagnostic instrument for atopic dermatitis (AD). The second part concerns following a cohort and assessing the natural history of AD, in which the effect of specified risk factors is analysed. In Värmland, Sweden, a questionnaire that diagnoses AD in infants and preAbstract In childhood atopic dermatitis (AD) is the most frequent inflammatory condition. Validated eczema questionnaires have been available for schoolchildren only, but the incidence of atopic dermatitis is highest during infancy. Evidence is needed on the further development of asthma, and rhinitis in these infants with AD and on remission of AD in children. We aimed to validate a parental ques
Popular Abstract in Swedish Enterohemorragisk Escherichia coli (EHEC) EHEC är mycket virulent för människor, det räcker med så få som 50-100 bakterier för att man ska bli infekterad och utveckla symtom. Varje år rapporteras ca 300-500 fall av EHEC smitta i Sverige. Den stam som oftast isoleras från patienter är E. coli O157:H7. Reservoarer för EHEC är idisslare och framförallt kor. Kor är nämligHemolytic uremic syndrome (HUS) is characterized by non-immune hemolytic anemia, thrombocytopenia and acute kidney failure. The most common form of HUS is associated with gastrointestinal Shiga toxin-producing enterohemorrhagic Escherichia coli (EHEC) infection. EHEC are non-invasive strains with Shiga toxin as the unique virulence factor. The aim of this study was to describe host-pathogen intera
Mast cell are found throughout the body, but are especially prominent in tissues that have direct contact with the external milieu such as the skin, gastrointestinal tract and lungs. Mast cells are commonly recognized for their detrimental role in allergic reactions and can, upon activation through the high-affinity receptor for IgE (FcεRI), rapidly produce and secrete many of the mediators respon
Background: Excess body weight, physical activity, smoking, alcohol consumption and certain dietary factors are individually related to colorectal cancer (CRC) risk; however, little is known about their joint effects. The aim of this study was to develop a healthy lifestyle index (HLI) composed of five potentially modifiable lifestyle factors healthy weight, physical activity, non-smoking, limited
Background: The efficacy of concentrates of fibrinogen and factor XIII in hypothermia and haemodilution has not yet been completely investigated. Clauss methods have not previously been evaluated perioperatively. Methods: Coagulation was assessed with rotational thromboelastometry (ROTEM) or free oscillation rheometry (FOR) in vitro and different fibrinogen measurement methods in observational stu
Prophylaxis and treatment with antiretroviral drugs, a consequent low viral load, and the use of elective Caesarean section, are factors that radically decrease the risk of HIV transmission from mother to child during pregnancy and delivery. The availability of new antiretroviral drugs, updated general treatment guidelines and increasing knowledge of the importance of drug resistance, have necessi
High nuclear expression of the RNA-binding motif protein 3 (RBM3) has previously been found to correlate with favourable clinicopathological characteristics and a prolonged survival in several cancer forms. Here, we examined the clinicopathological correlates and prognostic significance of RBM3 expression in tumours from a consecutive cohort of upper gastrointestinal adenocarcinoma.
There is an increasing interest in achieving gene regulation in biotechnological and biomedical applications by using synthetic DNA-binding agents. Most studies have so far focused on synthetic sequence-specific DNA-binding agents. Such approaches are relatively complicated and cost intensive and their level of sophistication is not always required, in particular for biotechnological application.
Background: Prior studies on the association between prenatal exposure to polychlorinated biphenyls (PCBs) and dichlorodiphenyldichloroethylene (DDE) and child motor development have found contradicting results. Using data collected in the INUENDO cohort in Kharkiv (Ukraine), Warsaw (Poland) and Greenland (N = 1,103) between the years 2002 and 2012, we examined relations of prenatal exposure to 1,
Purpose This chapter explains how and why local parking policies are developed, the sometimes conflicting relationship between parking, revenue raising and economic development and the circumstances in which it may be appropriate to use parking policy as a demand management tool. Methodology/approach This chapter offers a review of prior research and literature on the topic parking management and
Possible ion pair formation in highly concentrated aqueous potassium halide solutions (fluoride, chloride, and bromide) has been investigated using Auger electron spectroscopy. The potassium Auger spectra exhibit features at high kinetic energy which are related to final states with vacancies on the potassium ion and a neighbouring water molecule. The potassium ion could possibly associate with a
A key to the lichen family Parmeliaceae in the Alps is presented. Notes on their distribution and phylogeny are added. The family is represented in the Alps by 41 genera and c. 147 species.
