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Students’ learning developments of limits were studied in a calculus course. Theiractions, such as problem solving and reasoning, were considered traces of theirmental representations of concepts and were used to describe the developmentsduring a semester. Several students went through the course with a vague conception of limits which in some cases was wrong. A higher awareness about their mental
The paper presents a work in progress which is part of a larger study. Studentslearning analysis was investigated with the aim to find out how their concept images changed from the beginning of an analysis course to a year after the course. Their links between concepts were studied after the year had passed. The influence of the students’ pre-knowledge was durable and sometimes prevented students
Objectives: Our goal was to provide data on the economic burden and health-related quality of life (HRQOL) of patients with cystic fibrosis (CF) and their caregivers in Europe. Methods: A cross-sectional study was carried out on adults and children with CF in eight European countries. Patients completed an anonymous questionnaire regarding their socio-demographic characteristics, use of healthcare
Context. The motion of stars has been used to reveal details of the complex history of the Milky Way, in constant interaction with its environment. Nevertheless, to reconstruct the Galactic history puzzle in its entirety, the chemo-physical characterisation of stars is essential. Previous Gaia data releases were supported by a smaller, heterogeneous, and spatially biased mixture of chemical data f
BACKGROUND: Allergic rhinitis is an inflammatory disease of the upper airway mucosa that also affects leukocytes in bone marrow and peripheral blood. Toll-like receptor 9 (TLR9) is a receptor for unmethylated CpG dinucleotides found in bacterial and viral DNA. The present study was designed to examine the expression of TLR9 in the nasal mucosa and in leukocytes derived from different cellular comp
When adapting environments for the physically disabled, it is important to encourage and activate not only the person concerned, but also other people involved or affected. A computer aided planning tool has been developed to support the participation of all persons involved, as well as supporting the planner’s (e.g. an occupational therapist) design of the environment. The prototype development a
It is important that the costs and effort in making a Virtual Reality (VR) model support its purpose in the specific context in which it is used. The present research aims to clarify which properties in VR-models contribute to improved experience of aspects of the model that are relevant in the use context and which therefore improve the models’ usability in the social processes of which they are
The Swedish Air Navigation Service Provider, Luftfartsverket, together with Stockholm-Arlanda airport are implementing a new socio-technical concept called collaborative decision making. New technology and work procedures in collaborative decision making are directly affecting all organizations in an airplane turn-round process, and indirectly affecting legislators, authorities, suppliers, and pas
BACKGROUND: Health workers' (HWs') perspectives on the quality of maternal and newborn care (QMNC) are not routinely collected. In this cross-sectional study, we aimed to document HWs' perspectives on QMNC around childbirth in 12 World Health Organization (WHO) European countries.METHODS: HWs involved in maternal/neonatal care for at least one year between March 2020 and March 2023 answered an onl
Popular Abstract in Swedish Vår kropp består av olika celler som kommunicerar med varandra genom signalering. Cellerna tar emot signaler från omgivningen med hjälp av proteiner som sätter sig fast på deras yta genom mottagare, så kallade receptorer. När receptorerna får signaler skickas de vidare in i cellkärnan där det bestäms hur cellen ska agera. Tyrosinkinasreceptorer är proteiner som sitter pFLT3, a receptor tyrosine kinase, is expressed in hematopoietic progenitor cells. FLT3-ITD (internal tandem duplication) and D835 mutations are found in approximately 30% and 7% of Acute Myeloid Leukemia (AML) patients respectively, and correlate with a poor prognosis, thus making the mutated receptor a potential therapeutic target. FLT3 mutations cause constitutive activation of intrinsic tyrosin
In a joint project – Human Factors in ANS, HUFA - between the Swedish Civil Aviation Administration and Lund University the aim is to find out how a new team-based organization and the introduction of a new air traffic control system will affect safety culture and psychosocial working environment by changes in organizational climate, team climate and leadership. All in all, four studies will be co
Förevarande uppsats analyserar utvecklingen av doktrinen om ’essential facilities’ i EU rättspraxis under Artikel 102 TFEU och vidare, i vilken utsträckning kan leveransvägran, särskilt doktrinen om ’essential facilities’ vara applicerbar på data och hur relaterar de fundamentala rättigheterna (näringsfrihet och rätt till egendom) till sådan tillämpning. Analysen av utvecklingen i rättspraxis, säThe thesis examines the development of essential facilities doctrine in EU case law under Article 102 TFEU and further, to what extent can refusal to supply, in particular the essential facilities doctrine, be applicable to data and how do fundamental rights (the freedom to conduct business and the right to property) relate to such extension. The analysis of the development of the case law, espe
We have previously observed that pyridoxine treatment reduced plasma total cholesterol (TC) and low-density lipoprotein (LDL) cholesterol concentrations and increased antithrombin III (AT III) activity in atherosclerotic patients with subnormal plasma pyridoxal 5-phosphate (PLP) levels. In order to confirm these results, we selected 17 males with low plasma PLP levels from a group of 122 80-year-o
