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A study on diffusion measurements of the protein lysozyme in liquids and agarose gels, at different pH and ionic strengths, has been performed using holographic laser interferometry. The measurements showed that the diffusive flux was very dependent on pH and ionic strength when the protein was not at its isoelectric point or when the charge of the lysozyme molecules was not screened by ions in th
Objectives To determine whether three-dimensional (3D) ultrasound including power Doppler examination of the cervix is useful for predicting time to spontaneous onset of labor or time to delivery in prolonged pregnancy. Methods A prospective study was conducted in 60 women who went into spontaneous labor. All underwent transvaginal 3D power Doppler ultrasound examination of the cervix immediately
The World Health Organization rapports general low adherence to medical treatments in long term therapies among developed countries. The aim of this study was to analyse the individual variation in drug adherence to long term use. A set of individual data with people interviewed in year 2004/2005 was created from the Swedish Survey of Living Conditions and the Pharmaceutical Registry. The data set
In February 2002, the UNITA rebel leader Jonas Savimbi was shot dead by Angolan Government forces, thereby putting an end to almost four decades of war in Angola. Once peace had been declared, the Government of Zambia together with the Government of Angola and the UNHCR began to make arrangements for the voluntary repatriation of the large Angolan refugee population residing in Zambia. However, du
Weichselisens avsmältningsskede i Skåne var mycket komplicerat, vilket har föranlett en stundtals svårtolkad glacialmorfologi. I de norra och centrala delarna av Skåne retirerade isen mot norr och nordost, samtidigt som södra Skåne och Danmark berördes av lobformade isframstötar från en baltisk isström från söder- och sydost. Sedan länge har forskning pågått för att finna lösningen på isens rörelsThe deglaciation of the Weichselian ice sheet was very complicated and the resulting landscape has been perplexing different researchers throughout the 20th century. In the northern parts of Scania, the ice sheet receded towards north and northeast, while a dynamic ice stream with fast flowing ice influenced southern Scania and Denmark. The earlier researchers have mainly focused on striae, the di
This study contributes to existing theory by underlining that product brands do have a gender. In addition, the results of this study show that the need for product gender congruence is minimized in Generation Y. Therefore, rethinking the traditional gender stereotyping of products may have more consumer appeal by being marketed to both sexes, or at least to emphasize more of the products attribut
The recycling sector and the solid waste management systems (SWMS) in developing countries greatly rely on scavengers, a vulnerable and marginal urban population that recover items or materials to be reused or recycled. As a new mindset towards waste emerges, considering it a resource instead of something useless and undesirable; governments, NGOs, private companies and other stakeholders slowly r
In the wake of the globalization, international tax planning structures has become vital for US investors in order to meet economic challenges and to survive on the competitive market. This research indicates that countries in Europe, such as Sweden and Switzerland, provide a favourable environment for US multinational corporations to set up holding companies as a way to enjoy benefits of legal ta
The thesis explores how the political discourse on refugees and asylum seekers is produced within portfolio committee meetings at the South African parliament. A critical discourse analysis investigates how statements of delegates of the Department of Home Affairs and Social Development foster unequal power relations and construct social identities perpetuating the on-going discourse on refugees a
In the Prince Charles Mountains (PCMs) the conformable Permian-Triassic (P-T) succession is characterised by an abrupt transition from coal-bearing to coal-lacking strata, which coincides with the demise of the Permian Glossopteris-dominated flora. About 32% of the typical Permian spores and pollen are registered for the last time in the uppermost coal. Throughout the earliest Triassic an addition
Three commercially available, peptide-based enzyme-linked immunosorbent assay (ELISA) systems (Chlamydia trachomatis IgG and IgA EIA [CT-EIA; Labsystems OY, Helsinki, Finland], SeroCT IgG and IgA [SeroCT; Savyon Diagnostics Ltd., Ashdod, Israel], and Chlamydia trachomatis IgG and IgA pELISA [CT pELISA; Medac, Wedel, Germany]) were evaluated for the detection of serum immunoglobulin G (IgG) and IgA
A deterministic and probabilistic model for oilspill fires in nuclear power plant compartments has been developed. It's objective is to predict whether certain components in the compartment will cease to function as a result of the fire and to give the probability of failure. Results are presented for several scenarios in two compartments. The model has been implemented in the computer code OSFIC,
Comparisons of PIXE detection limits for K, X rays using 2-5 MeV protons and 7-8 MeV 4He2+ ions as projectiles have been performed. The comparisons have been made for common aerosol backings. According to simple theoretical considerations regarding X-ray production cross sections and the production of background radiation, detection limits for 4He2+ should be two to four times lower than for proto
A European Union (EU) directive on vitamins and minerals used as ingredients of food supplements with a nutritional or physiological effect (2002/46/EC) was introduced in 2003. Its implications for the use of oral supplements of calcium and vitamin D in the prevention and treatment of osteoporosis were discussed at a meeting organized with the help of the World Health Organization ( WHO) Collabora
The severity of hand-arm vibration syndrome (HAVS) is usually graded according to the Stockholm workshop scales. Although the Stockholm workshop scales are regarded the gold standard for assessing the severity of HAVS, they are based primarily on subjective symptoms. The aim of the present study was to explore the agreement between Stockholm workshop scales and the outcome from ten well-defined cl
Catalytically active wire meshes were used to combust different pollutants present in flue gases from bio-fuel combustion, e.g. CO, propylene, terpenes and tar. Alumina was spray-deposited onto wire meshes of Kanthal AF (8-20 Tayler mesh) with a plasma spray equipment. The specific surface area of the ceramic layer was increased through wash coating, in-situ precipitation or sol-treatment. The cat
Simulated moving bed (SMB) technology is a continuous chromatographic technique proven to have many advantages compared to conventional batch chromatography, such as: raised productivity and product concentration, reduced buffer consumption as well as more efficient use of raw material. In this study a 20 column SMB process for the separation of lactoperoxidase and lactoferrin from whey protein co
Dark-grown tigrina-d(12) mutants of barley (Hordeum vulgare L.) accumulate abnormally high amounts of the chlorophyll intermediate protochlorophyllide. In light dark cycles this leads to necrotic segments of the seedling leaves and lethality due to photodynamic damage by the excessive protochlorophyllide accumulated in the dark period. Upon inhibition of the early chlorophyll biosynthetic enzyme,
