Accurate determination of line parameters from weak absorption using two-tone frequency-modulation spectroscopy (TTFMS) with a GaAlAs diode laser is demonstrated. The air-broadening of three oxygen A-band lines is determined, using a least-squares fit. For a peak absorption of 1.3 x 10(-3) the deviation between the experimental and the fitted spectrum is less than 1%. The fitting procedure is succ

A major complication of multiple myeloma (MM) is the development of osteolytic lesions, fractures and bone pain. To identify genetic variants influencing the development of MM bone disease (MBD), we analyzed MM patients of European ancestry (totalling 3774) which had been radiologically surveyed for MBD. Each patient had been genotyped for ~600 000 SNPs with genotypes for six million common varian

På en lekplats eller i en nöjespark finns möjlighet att påtagligt uppleva begrepp från fysik och matematik med den egna kroppen. Med hjälp av tidsmätningar kan man få förståelse för gungans pendelrörelse och även en matematisk modell. Innehållet presenterades på matematikbiennalen i Umeå.

BACKGROUND: Balance impairment is one of the most distressing symptoms in Parkinson's disease (PD) even with pharmacological treatment (levodopa). A complementary treatment is high frequency stimulation in the subthalamic nucleus (STN). Whether STN stimulation improves postural control is under debate. The aim of this study was to explore the effects of STN stimulation alone on balance performance

Induction of broadly neutralizing antibodies, such as the monoclonal antibodies IgGb12, 2F5 and 2G12, is the objective of most antibody-based HIV-1 vaccine undertakings. However, despite the relative conserved nature of epitopes targeted by these antibodies, mechanisms underlying the sensitivity of circulating HIV-1 variants to broadly neutralizing antibodies are not fully understood. Here we have

By analysing N2 mice from a cross between the inbred C57BL strain B10.Q and the NMRI-related NFR/N strain, we recently identified a quantitative trait locus (QTL) influencing litter size. This locus is now denoted Fecq4, and it is present on the murine chromosome 9. In the present paper, we describe how the Fecq4 fragment originating form the NFR/N mouse strain will affect B10.Q mice by means of b

Granulocyte chemotactic protein 2 (GCP-2)/CXCL6 is a CXC chemokine expressed by macrophages and epithelial and mesenchymal cells during inflammation. Through binding and activation of its receptors (CXCR1 and CXCR2), it exerts neutrophil-activating and angiogenic activities. Here we show that GCP-2/CXCL6 itself is antibacterial. Antibacterial activity against gram-positive and gram-negative pathog

En av vintergatans största stjärnor uppvisar ett märkligt beteende. Om ett år sker nästa utbrott.

Popular Abstract in Swedish Ämnet för avhandlingen är verbets morfologiska och stilistiska variation i den grekiska versromanen Erotokritos, ett av de främsta exemplen på den kretensiska renässansdiktningen. Undersökningen utgår från de i dikten förekommande verbformernas morfologiska variation, både vad avser stammar, ändelser och augment. Undersökningen koncentreras på de imperfektiva verbformerThe aim of the present study is to examine the polytypia (morphological variation) and semantic differentiations of the verb in Vitsentzos Kornaros' Erotokritos, to understand how these shape poetic style. We examine the stems and the endings in the imperfective active forms. Moreover, we investigate the augmented forms because at an early stage we found that Kornaros employs a degree of poetic li

The performance of LNAs and VCOs is of large importance to the complete wireless communications system. To achieve sufficient performance in microwave applications, LNAs and VCOs have therefore up to now mostly been manufactured in advanced and expensive semiconductor technologies. In this thesis it is shown, however, that by using a standard CMOS technology, combined with different packaging and

One complication in implant dentistry is the implant periapical lesion-IPL--which is a lesion around the apex of a stable implant diagnosed radiographically as a radioluscency in the bone at the apical part of an implant.The IPL can perform with or without clinical symptoms such as tenderness, swelling, suppuration and fistulation. This report describes 4 cases of IPL which were treated surgically

Kraven på mera avancerade verifieringsmetoder har ökat i takt med att det traditionella sättet att projektera en byggnads brandskydd har förändrats, samt att vi idag är mer medvetna om vilka riskerna är, t ex att tillförlitlighet i tekniska skyddssystem måste beaktas. Detta är nödvändigt för att säkerställa att samhällets krav på brandsäkerhet efterlevs och uppfylls.