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Molecular origin of time-dependent fluorescence shifts in proteins

Time-resolved fluorescence spectroscopy is used increasingly to probe molecular motions at the aqueous interfaces of biological macromolecules and membranes. By recording the time variation of the fluorescence frequency, thermal atomic fluctuations in the vicinity of the chromophore can be probed. From such fluorescence Stokes shift (FSS) experiments, it has been inferred that water motions in the

Antibody microarrays: Current status and key technological advances

Antibody-based microarrays are among the novel classes of rapidly evolving proteomic technologies that holds great promise in biomedicine. Miniaturized microarrays (< 1 cm(2)) can be printed with thousands of individual antibodies carrying the desired specificities, and with biological sample (e.g., an entire proteome) added, virtually any specifically bound analytes can be detected. While consumi

The kinetics of leucocyte migration into rabbit knee joints elicited by preformed immune complexes with different in vitro characteristics

Immune complexes were formed in vitro with antibodies obtained from rabbits immunized with bovine serum albumin in Freund's complete (FCA) or incomplete (FIA) adjuvant. The antibodies were mixed with different amounts of antigen. Immune complexes formed at maximum precipitation proportions were efficient in complement activation, whereas immune complexes formed at antigen excess had weak complemen

Dendritic Spine Instability Leads to Progressive Neocortical Spine Loss in a Mouse Model of Huntington's Disease.

In Huntington's disease (HD), cognitive symptoms and cellular dysfunction precede the onset of classical motor symptoms and neuronal death in the striatum and cortex by almost a decade. This suggests that the early cognitive deficits may be due to a cellular dysfunction rather than being a consequence of neuronal loss. Abnormalities in dendritic spines are described in HD patients and in HD animal

A power analysis for model-X knockoffs with ℓ p -regularized statistics

Variable selection properties of procedures utilizing penalized-likelihood estimates is a central topic in the study of high-dimensional linear regression problems. Existing literature emphasizes the quality of ranking of the variables by such procedures as reflected in the receiver operating characteristic curve or in prediction performance. Specifically, recent works have harnessed modern theory

Molecular exchange in thermal equilibrium between dissolved and crystalline tripalmitin by NMR

An NMR technique to measure exchange kinetics at thermal equilibrium in dispersions of moderately soluble crystalline material is presented. By monitoring the exchange of molecules between pools in solid and dissolved form, one can characterize the surface specific exchange rate. Illustrative experiments were performed in a model system with beta-type crystals of tripalmitin as the solid phase and

Can exposure to import competition explain the growing share of votes for the Sweden Democrats?

Around the world the rise of populist and anti-globalization forces can be seen. In Sweden this movement is prevalent as well, as the populist party the Sweden Democrats is experiencing a substantial increase in support. The reason for this is a widely debated subject amongst scholars. One potential explanation for the rise of populism could be the increased imports from China in recent years. Pre

“Your daughter is as good as a boy” - Learning critical theory and fundamental values through J.M. Coetzee’s Disgrace in English-learning classrooms in Sweden

Teachers in Sweden are instructed not just to teach their subject but also fundamental values. However, educators are given no guidelines as to how to do this. It therefore becomes relevant to research how language teachers can use literary works in school to ensure that students acquire knowledge about themes found in the curriculum, thus combining an important part from the subject’s contents wi

Metastable entangled states of atomic systems in macroscale: radiation dynamics and spectrum

Dynamics of spontaneous decay and corresponding emission spectrum areexactly treated for a system of two identical two-level atoms in 1D.Just a one-dimensional case is considered in order to maximally extractan information on mutual influence of spatially remote atoms through theradiation field. As a result, an effect is revealed and considered indetail that there exist stable (metastable) entangl