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The ultrafast decay of the x-ray diffraction intensity following laser excitation of an InSb crystal has been utilized to observe carrier dependent changes in the potential energy surface. For the first time, an abrupt carrier dependent onset for potential energy surface softening and the appearance of accelerated atomic disordering for a very high average carrier density have been observed. Inert
Popular Abstract in English My PhD thesis has focused on increasing the understanding of the osteoclasts, the cells responsible for degradation of bone, by studying the rare hereditary disease autosomal recessive osteopetrosis (ARO). ARO is present already at birth and is caused by mutations affecting the osteoclasts ability to degrade bone. Non-functional osteoclasts lead to dramatic increases inThis thesis focuses on developing and characterizing novel models for studying osteoclasts with an emphasis on how mutations abolishing osteoclastic acidification affect osteoclast signaling and bone remodeling, as well as how to treat patients bearing these rare mutations. Bone remodeling is under normal circumstances a tightly balanced process where resorption of bone by osteoclasts is followed
Background A genetic component of early-onset lung cancer has been suggested. The role of metabolic gene polymorphisms has never been studied in young lung cancer cases. Phase 1 and Phase 2 gene polymorphisms are involved in tobacco carcinogens' metabolism and therefore in lung cancer risk. Methods The effect of metabolic gene polymorphisms on lung cancer at young ages was studied by pooling data
Activation of Th1 lymphocytes, IFN-gamma production and macrophage activation are crucial in defense against Mycobacteria. In developing countries, Th2 activation and IL-4 production have been associated in vitro with tuberculosis and with poor clinical outcome after treatment. Serological markers of Th1 [soluble lymphocyte activation gene (LAG)-3] and Th2 (IgE, soluble CD30, and CCL22/macrophage-
The reactions in acidic aqueous solution between thiocyanate and each of the gold(III) complexes Au(NH3)43+, trans-Au(NH3)2C12+, and trans-Au(NH3)2Br2+ have been studied by use of potentiometric pH measurements and sequential-mixing stopped-flow spectrophotometry. The reactions give a common gold(I) product whereas the rate-controlling steps are different. The reaction between Au(NH3)43+ and thioc
BACKGROUND AND PURPOSE: Acute lesions in patients with transient ischaemic attack (TIA) are important as they are associated with increased risk for recurrence. Characteristics associated with acute lesions in young TIA patients were therefore investigated.METHODS: The sifap1 study prospectively recruited a multinational European cohort (n = 5023) of patients aged 18-55 years with acute cerebrovas
This thesis aimed to determine if Euroscepticism is demonstrated to shift in the EU’s external border regions after sudden border insecurities, compared to other types of regions. This field was explored due to previous researchers claiming that the EU’s border regions are particularly susceptible to changes in Euroscepticism due to sudden border insecurity. The case of Russia’s invasion of Ukrain
While Sweden falls short in integrating youths growing up in segregated areas, these disadvantaged neighborhoods are more frequently imposed to profit-driven strategies that result in gentrification. This thesis aims to uncover how gentrification affects the lived experience that youths from disadvantaged areas have of their habitat. Choosing the case of Järva, Stockholm, the ways youths perceive
Jareborgmnanus1.PDF 1 Disciplinansvar för studenter som fuskar eller stör av Nils Jareborg 1. Utdrag ur Högskoleförordningen (1993:100) 2. Inledning 3. Vilseledande handlingar Försök att vilseleda Tillgång till otillåtna hjälpmedel Relevansbedömningen Uppsåtskravet Fusk och examination Förebyggande åtgärder 4. Störande handlingar Skyddad verksamhet Överträdelser av ordningsregler m.m. 5. Disciplin
https://www.staff.lu.se/sites/staff.lu.se/files/disciplinansvar_for_studenter_som_fuskar_eller_stor.pdf - 2026-07-20
Autonomy, agency and freedom has been central concepts in the traditional Western understanding of subjectivity. The myth about the self-contained subject with the inherent capacity of self-fullfilment as long as it only frees itself from external practical constraints and internal self-destructive thoughts is still highly present in our modern society. Even the feminist and post-colonial movement
Human PBL from vaccinated healthy blood donors, which was transplanted i.p. into mice with severe combined immunodeficiency (SCID), exhibited an Ag-dependent humoral Ir against tetanus toxoid. This Ir was dose dependent and was completely abrogated by immunizing with large amounts of Ag, suggesting a high dose tolerization of the B cells. A dose-dependent selection of specific, high affinity B clo
Plasmodium relictum is the most widespread avian malaria parasite in the world. It is listed as one of the 100 most dangerous invasive species, having been responsible for the extinction of several endemic bird species, and the near-demise of several others. Here we present the first transcriptomic study focused on the effect of P. relictum on the immune system of its vector (the mosquito Culex qu
There is an increased demand for managing the complex hospital organisations in which healthcare personnel operate within, which is even more so evident from today's healthcare crisis in Sweden. Since the World Health Organisation (WHO) emphasised the importance of interprofessional collaboration in 2010, research on this area has increased. However, much of the research considers only one act
Type 2 diabetes (T2D) is a polygenic disease caused by an interaction between genetic and environmental factors such as low physical activity, smoking, and obesity. The disease is associated with devastating chronic microvascular (nephropathy, retinopathy, and neuropathy) and macrovascular (coronary heart disease and stroke) complications. Genome-wide associated studies (GWASs) have been an unbias
