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This paper investigates patterns of article use in monolingual early child Swedish and in child-directed adult speech. Article omissions in the adult data are found to be more widespread than previously assumed, especially articleless, ‘bare’ singular count nouns (e.g. sten ‘stone’ instead of en sten ‘a stone’) and article omissions in doubly determined nominals (e.g. lilla tummen (little thumb-th
This chapter describes various kinds of artificial light sources of interest to the photobiologist (natural light is described in separate chapters), starting with incandescent lamps and their properties, and continuing with gas discharge lamps, flashlamps, light-emitting diodes, and lasers. After a section on light filters, the chapter concludes with a treatment of monochromators, in which the mo
'Understanding the Arab World': This paper was presented at "Tempus Information Days" held in Stockholm, September 6-7 2006. The paper tackles the issue of misunderstanding the other and high lightens encounters between the Arab World and the West.
Glycoprotein B (gB) of human cytomegalovirus (HCMV) is the dominating protein in the envelope of this virus and gives rise to virus-neutralizing antibodies in most infected individuals. We have previously isolated a neutralizing human antibody specific for antigenic domain 2 (AD-2) on gB, a poorly immunogenic epitope, which nevertheless is capable of eliciting potent neutralizing antibodies. In or
The aim of this study was to assess persistent organochlorine pollutant (POP) levels in serum collected from children (11-15 years old) working and sometimes also living at the municipal waste-disposal site in Managua, located at the shore of Lake Managua, and in nonworking children living both nearby and also far away from the waste-disposal site. The influence of fish consumption was further eva
A new two-state polymer folding model is proposed, in which the folding of a stiff helical polymer is enabled by allowing for short sequences of coils connecting shorter and separated helices. The folding is driven by short-range attraction energy among stacked helices and is opposed by the free-energy cost of forming coils from helical monomers. Principal outcomes of the model are equilibrium dis
T cells are crucial players in cell-mediated immunity. The specificity of their receptor, the T cell receptor (TCR), is central for the immune system to distinguish foreign from host antigens. Superantigens are bacterial toxins capable of inducing a toxic immune response by cross-linking the TCR and the major histocompatibility complex (MHC) class II and circumventing the antigen specificity. Here
The main source of autoantigens in systemic lupus erythematosus (SLE) is most likely apoptotic material. We have previously shown that sera from SLE patients can induce apoptosis in monocytes and lymphocytes, and here we characterized mechanisms of apoptosis induced by SLE serum. SLE serum seems to induce caspase-dependent classical apoptosis since cells exposed to SLE serum displayed morphology c
The distribution of a semiflexible chain in the volume of two interconnected spherical cavities of equal size has been investigated by using Monte Carlo simulations. The chain possessed an extension exceeding that of the cavity, leading to large probabilities of translocated states despite the entropic penalty of passing the narrow passage. Furthermore, an asymmetric state with unequal subchain le
This study investigated a possible mechanism behind employment discrimination. Participants completed a recruitment task where emphasis on cohesion (employees should “fit in”) vs. fairness (everybody should be treated equally) was manipulated by describing the norms of a fictitious company differently. There was a comparatively stronger preference in the cohesion condition for traits and interview
