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DNA Compaction at Surfaces

The interfacial behavior of DNA and DNA-cationic surfactant has been studied. Particular attention was paid to the type of cationic surfactant and the DNA conformation (single or double stranded) as well as the DNA length. Adsorption of DNA-cationic surfactant complexes is determined by a delicate balance between the DNA-surface, cationic surfactant-surface, and cationic surfactant-DNA-solvent int

Reproductive strategies and liming responses in forest field-layer flora

Liming increased species richness, in accordance with the species pool hypothesis, and number of plants of individual species in beech forest field-layer vegetation, by increasing establishment by seedlings and vegetative offspring. Turnover rates also increased, suggesting the explanatory value of the carousel model. Plant size, absolute measures of reproduction, and poportional measures of sexua

Comparing LSTM and FOFE-based Architectures for Named Entity Recognition

LSTM architectures (Hochreiter and Schmidhuber, 1997) have become standard to recognize named entities (NER) in text (Lample et al., 2016; Chiu and Nichols, 2016). Nonetheless, Zhang et al. (2015) recently proposed an approach based on fixed-size ordinally forgetting encoding (FOFE) to translate variable-length contexts into fixed-length features. This encoding method can be used with feed-forward

Web server traffic in crisis conditions

During recent years we have seen several large-scale crises. The 9/11 terror attacks, tsunamis, storms, floods and bombings have all been unpredictable and caused a great deal of damage. One common factor in these crises has been the need for information and one important source of information is usually web sites. In this work three new sets of web server access logs are presented and analyzed, o

Försvararens roll. Ideologier och gällande rätt.

Defence lawyers, in their practise, from time to time have to resolve various difficult dilemmas in connection with the client relationship, such as accepting repugnant cases or acting on questionable instructions from the client: dilemmas, which involve “hard questions” of guilt and innocence, truth and perjury. Many of these ethi-cal problems have never been subjected to interpretation in Swedis

Expression and purification of membrane proteins: Focus on the G-protein coupled receptor MC4r

Membrane proteins are crucial components of the cell and are involved in many biological processes. Recombinant overexpression systems together with different purification methods are necessary to obtain large amounts of purified receptor for biophysical and functional studies. More knowledge about membrane proteins, and especially G-protein coupled receptors, would facilitate the development of i

Studies of Electrocatalytic Reactions of NADH at Mediator Modified Electrodes and of H2O2 at Peroxidase Modified Electrodes

This thesis addresses: (1) studies of direct and mediated electron transfer and kinetics of peroxidases on electrodes and the development of amperometric peroxidase-based biosenors, (2) electrochemical and kinetic studies of NADH oxidation at mediator modified electrodes. The direct and mediated electron transfer of horseradish and tobacco peroxidase were investigated on graphite electrodes by us

Från "sancte Matthei dagh" till "21 september". Kalendariska tidsuttryck i nordiska under senmedeltid och reformationstid

During the 16th century, and thus late in a european perspective, the Scandinavian language usage went from normally giving dates according to the church year calendar (each day having a name of its own, mostly referring to a saint) to normally giving them according to our modern calendar (numbering the days within each named month). The present investigation shows how this transition more exactly

Aspects of the Duality between Supersymmetric Yang-Mills Theory and String Theory

This thesis deals with three topics related to the Ads/CFT correspondence. In Paper I, solutions describing the geometry of fractional D1-branes of Type IIB string theory are presented. The running coupling constant is computed on the gauge theory side. Paper II uses the idea that the anomalous dimension of a gauge theory operator can be interpreted as an eigenvalue of a spin chain Hamiltonian.

Aspects on the Regio and Stereo Selectivity in the Hydrolsilylation of 1,3-Dienes

This thesis is a summary of four papers concerning various aspects on the transition metal catalysed hydrosilylation of 1,3-dienes. The hydrosilylation reaction is formally an addition of a hydrosilane to an unsaturated system and depending on the reaction conditions, control of stereo-, regio-, and chemo-selectivity can be achieved. Optically active heterobidentate P,N ligands were synthesised f