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The weaknesses of the tongue arching model of vowel articulation
From the ivory tower to the market place: Knowledge organisations in the development of biotechnology clusters
In the emerging knowledge economy, universities are adopting a key role as producers of scientific knowledge and skills, and they are experiencing far reaching changes in their tasks. Their main mission is no longer confined to education and research, but increasingly also covers technology transfer and commercialisation activities. The aim of this paper is to examine to what extent this phenomeno
A Role for TLRs in Moraxella-superantigen induced polyclonal B cell activation.
A number of microorganisms are capable of binding immunoglobulins (Igs) in a manner, which excludes binding to conventional antigen binding sites. Interaction of such bacterial proteins with surface immunoglobulins leads to polyclonal activation of B-lymphocytes. A recent example is Moraxella catarrhalis that binds to B lymphocytes in an IgD-dependent manner and induces proliferation and different
Spatially and temporally resolved electron density measurements in streamers in dielectric liquids
Spatially and temporally resolved spectroscopic measurements of light emitted from positive streamers in transformer oil are presented. Analyses of the measurements performed with a DC needle-plane gap yield electron densities and indications of the atomic excitation temperatures in the streamers. The hydrogen emission reveals an electron density below 10(16) cm(-3) during the main part of the str
GAFCHROMIC FILM AS A FAST VISUAL INDICATOR OF RADIATION EXPOSURE OF FIRST RESPONDERS.
Three types of Gafchromic films have been studied to investigate their potential for use as a visually readable dosemeter for persons acting as first responders in connection with radiological or nuclear emergencies. The two most sensitive film types show a pronounced variation in sensitivity by photon energy and are therefore not suitable for use in cases of unknown exposures. The third film type
Kinematic and tessellation models of self-repair
One of the causes of the great survival capability of some biological systems is the fact that they are systems of individuals such that the system behavior does not critically depend on anyone individual. Such systems can be regarded as redundant systems with different kinds and levels of redundancy. For example, although each specimen of a biological society has a limited life span, the whole so
Colour preferences influences odour learning in the hawkmoth, Macroglossum stellatarum
Characterization of a laccase gene from the white-rot fungus Trametes versicolor and structural features of basidiomycete laccases
Recent Work on Intrinsic Value
Recent Work on Intrinsic Value brings together for the first time many of the most important and influential writings on the topic of intrinsic value to have appeared in the last half-century. During this period, inquiry into the nature of intrinsic value has intensified to such an extent that at the moment it is one of the hottest topics in the field of theoretical ethics. The contributions to th
Identification of Missing Proteins – Towards the Completion of Human Proteome
As the Human Proteome Project has outlined currently many research groups worldwide dedicated resources to focus on the completion of the human proteome catalogue. According to the project directives, not only all products of ca. 20,300 protein coding genes should be identified but also at least one splicing variant, one single nucleotide polymorphism product and some major post-translational modi
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This article presents a reading of two Greek Marian hymns written in the centuries after the Ephesus Council: the Annunciation Hymn by Romanos the Melodist, which is the earliest extant Annunciation hymn we have, and the well-known Akathistos Hymn. Many scholars believe the latter to be a fifth century composition, and not – as have been claimed by such important scholars as Constantinos A. Trypan
Planar and tubular solid oxide fuel cells: A comparison of transient process behaviors
Two typical configurations of solid oxide fuel cells (SOFCs) are planar cross-flow and tubular counter-flow. Even though their performance is based on the same physical principles, their operation characteristics and parameters vary considerably due to different geometries. The goals of this paper are to detect the particularities of the cell geometries at transient operation and to identify their
Automatic Reduction Procedures for Chemical Mechanisms in Reactive Systems
Popular Abstract in Swedish En av dagens största utmaningar är de stadigt ökande utsläppen av förorenande avgaser och drivhusgaser. Den största delen av dessa föroreningar kommer från förbränningsanläggningar och fordon. För att kunna minska utsläppen måste man förstå förbränningsprocesserna, och hur man kan kontrollera förbränningen. Utmaningen är att förbränningprocesser är mycket komplexa. Det
Filmen som historisk källa - historiografi, pluralism och representativitet
This article discusses why films have not been used more than they have as historical sources and argues that films ought to be used more by historians. Principally, historians can use film in three basic ways, all of which give access to information about the period when it was produced. First, films can with caution be used for information about the persons, objects and events depicted in docum
Hematopoietic reconstitution by multipotent adult progenitor cells: precursors to long-term hematopoietic stem cells
Isolation of Cardiomyocyte Nuclei from Post-mortem Tissue.
Spectrum balancing algorithms for power minimization in DSL networks
Spectrum balancing (SB) techniques optimize transmission and can significantly improve digital subscriber lines (DSL) services. In the literature, the DSL system optimization is typically formulated as a rate maximization problem. However, there is an increasing interest in minimizing the considerable amount of power consumed by telecommunication networks. Few works in the SB literature have explo
A large unit cell approach to the theory of deep level impurities
A method for calculating energy levels and wavefunctions of bound states associated with deep impurity centres in semiconductors is presented. The impurity system is replaced by a crystal, whose unit cell consists of the impurity surrounded by a large number of host crystal atoms. The impurity bands for this crystal, represented by a real potential, are calculated by expanding in orthogonalised Bl
Carriership of factor v leiden and evolutionary selection advantage.
Historically, lethal exsanguinations and severe infections have been two major causes of maternal death. Gene mutations that lower the risk of profuse hemorrhage or severe infections would give a survival advantage. A single mutation of coagulation factor V, known as FV Leiden (FVL), can be such a beneficial mutation. FVL is common among Caucasians and today confers an increased risk of thromboemb
