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Influence of dissolved gas on the interaction between hydrophobic surfaces in water

We analyze how the interaction between two hydrophobic surfaces in water depends on the amount of dissolved gas. At equilibrium there is, for a truly hydrophobic surface with contact angle theta > 90degrees, a long range attractive force. The attraction is due to the formation of a gaseous film between the surfaces. For a completely degassed sample the gas consists of water vapor and the range of

Studies of the role of complement factor H in hemolytic uremic syndrome

Popular Abstract in Swedish Faktor H är den viktigaste cirkulerande hämmare av den alternativa komplementvägen. Den fungerar som co-faktor för faktor-I medierad C3b nedbrytning, hindrar bildning av C3bBb konvertas och främjar dess nedbrytning. Genom att skilja mellan kroppens egna och främmande celler kan faktor H inhibera komplementmedierad värdcellsskada. Mutationer i faktor H har hittats hos paFactor H is the main fluid phase regulator of the alternative pathway of complement. Factor H acts as a co-factor for factor I-mediated C3b degradation, inhibits the formation of the C3bBb convertase and accelerates its decay. By discriminating between host and foreign cells, factor H inhibits complement-mediated injury to host cells. Factor H mutations have been associated with atypical hemolytic

Slutredovisning från projekten "Brandteknisk dimensionering baserad på beräkning" (SBUF) och "Funktionsbaserad brandteknisk dimensionering" (Branndforsk)

This is a summary report of two integrated three year projects "Fire safety design based on calculations" and "Performance based fire safety design". The total project has been subdivided into several part projects: general principles for risk assessment, evacuation safety of public buildings, hotels and health care buildings, calculation of safety factors, calculation of model uncertainties, unce

Valuing Reductions in the Risk of Traffic Accidents Based on Empirical Studies in Sweden

Popular Abstract in Swedish I början av 1990-talet accepterade Vägverket metoden att mäta nyttan av trafiksäkerhet utifrån skattning av enskilda individers betalningsvilja för riskreduktion. Sedan dess har det diskuterats hur man ska gå tillväga för att finna den mest tillförlitliga metoden för att empiriskt mäta individernas betalningsvilja. Syftet med denna avhandling är att beskriva och analyseAt the beginning of the 1990s the Swedish National Road Administration (SNRA) adopted the willingness to pay (WTP) approach for estimating the benefits of safety improvements. However, since then there have been discussions about how to find the most valid and reliable empirical methods to conduct WTP studies. The purpose of this thesis is to describe and analyze approaches used to estimate the va

Hydrothermal alteration of plagioclase and growth of secondary feldspar in the Hengill Volcanic Centre, SW Iceland

Dissolution of igneous feldspar and the formation and occurrence of secondary feldspar in tholeiitic basalts from the Hengill volcanic centre, in SW Iceland was studied by microprobe analysis of cuttings from two ca. 2000 m deep geothermal wells. Well NG-7 in Nesjavellir represents a geothermal system in a rift zone where the intensity of young, insignificantly altered intrusions increases with de

Electromagnetic Decay Proerties of Multiparticle-hole States in Neutron-deficient Mo and Tc Isotopes

Neutron deficient nuclei with mass numbers A approximate to 90 and 40 less than or equal to Z less than or equal to 44 have been studied making use of the Osiris and Nordball spectrometers. The high spin states of these nuclei and their electromagnetic decay properties are compared to shell model calculations based on the core Sr-88 and using different parametrizations of the residual interaction.

Detection of Mycobacterium tuberculosis complex in formalin-fixed, paraffin-embedded tissue specimens with necrotizing granulomatous inflammation by strand displacement amplification

Rapid, reliable diagnosis of tuberculosis is essential to initiate correct treatment, avoid severe complications, and prevent transmission. Conventional microbiological methods may not be an option if samples are formalin-fixed and paraffin-embedded (FFPE) for histopathological examination. With the demonstration of necrotizing granulomatous inflammation, tuberculosis becomes an important differen

Percent-free prostate specific antigen is elevated in men on haemodialysis or peritoneal dialysis treatment.

Background: Men with chronic renal failure evaluated for transplantation are often tested for prostate specific antigen (PSA) to detect prostate cancer. PSA occurs in several different molecular forms in serum: free PSA (fPSA) and complexed PSA (cPSA), the sum of which corresponds to total PSA (tPSA). In addition to tPSA, percent fPSA to tPSA (%fPSA) is widely used to enhance discrimination of ben

Chiral signatures of chlordanes indicate changing sources to the atmosphere over the past 30 years

Chlordane was used as an insecticide for half a century until its withdrawal from the world market in 1997. Trans- and cis-chlordane (TC, CC) are racemic in the technical product, but undergo enantio selective degradation in soil to leave nonracemic residues. In most cases, the (+) enantiomer of TC and the (-) enantiomer of CC are depleted, leading to enantiomer fractions, EF = (+)/[(+) + (-)], th

Gait improvement in unilateral transfemoral amputees by a combined psychological and physiotherapeutic treatment

A conscious therapeutic approach was used combining methods in physiotherapy with psychological awareness to re-educate nine transfemoral amputees during 10 months in outdoor environments. All were rehabilitated trauma or tumour cases, mean age 33 years, and had worn their prostheses for more than 18 months. The method aimed at integrating the prosthesis in normal movements and increasing body awa

Educating the compassionate water engineer - a remedy to avoid future water management failures?

The number of local and regional-scale water management failures appears steadily to increase despite an apparently higher level of engineering solutions at hand. The objective of this paper is to examine the challenges the existing education system needs to meet in order to produce water engineers capable of responding to the complexity of contemporary and future water problems in relation to soc