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Direct assessment of microbial colonisation in damp houses by chemical marker analysis

Ergosterol was used as a marker of fungal biomass and 3-hydroxy fatty acids were used as markers of bacterial endotoxin to determine microbial colonisation of building materials by gas chromatography-mass spectrometry. Pieces (0.3-0.5 g) of materials from two water-damaged buildings were hydrolysed to liberate the markers from larger microbial structures; the preparations were then purified, deriv

Structural consequences of neopullulanase mutations

Bacillus stearothermophilus neopullulanase (NPL) structure was modeled based on Aspergillus oryzae alpha-amylase (TAA) to understand the structure-function relationships of this pullulan hydrolyzing enzyme. The NPL structure seems to consist of a central (alpha/beta)(8) barrel to which the other domains are attached. The immediate surroundings of the NPL catalytic site were found to have very simi

Ultrasound examination of soft tissue injury of the lower limb in athletes

We performed ultrasonography on 32 athletes complaining of intense pain in a swollen and tender thigh or calf after a contusion or stretching trauma. The ultrasonogram was used to visualize the presence and size of a suspected hematoma. The findings included the following: 7 patients with a circumscribed, anechoic lesion compatible with a liquefied hematoma; 10 patients with a circumscribed lesion

C(2)-ceramide influences the expression and insulin-mediated regulation of cyclic nucleotide phosphodiesterase 3B and lipolysis in 3T3-L1 adipocytes.

Cyclic nucleotide phosphodiesterase (PDE) 3B plays an important role in the antilipolytic action of insulin and, thereby, the release of fatty acids from adipocytes. Increased concentrations of circulating fatty acids as a result of elevated or unrestrained lipolysis cause insulin resistance. The lipolytic action of tumor necrosis factor (TNF)-alpha is thought to be one of the mechanisms by which

Mechanical properties of an acrylic bone cement with a monomer soluble contrast media

The tensile and compressive properties of acrylic bone cement containing iohexol acetate (IHA) were investigated. The IHA monomer was prepared with 4 g of IHA dissolved in 20 ml of palacos monomer, later mixed with 36 g of palacos powder. The ultimate tensile strength (UTS) and ultimate tensile strain of IHA cement was compared with Palacos R. The IHA cement show significantly higher UTS and ultim

The "Mental" in Monumental : Battle Axe Culture in megalithic tombs in southern Sweden

It is reasonable to consider that those who arranged the material accoutrements of mortuary practices, i.e. the burial, were making a more or less conscious statement about cultural identity. At least we archaeologists usually assume this to be so. An interesting case can be found in the mortuary practices ascribed to the Battle Axe culture from the later Middle Neolithic1 (2800–2350 cal BC) in so

Altered vascular responses in experimental congestive heart failure

Popular Abstract in Swedish Hjärtsvikt är ett sjukdomstillstånd som blir allt vanligare i vårt samhälle i takt med att människor blir äldre och att man idag räddar allt fler människor till livet efter hjärtinfarkt. Som namnet antyder sviktar hjärtat, det kan inte pumpa ut den mängd blod som krävs för att tillgodose kroppens behov av syre och näringsämnen. Sjukdomen indelas i olika svårighetsgraderCongestive heart failure is accompanied with increased circulatory levels of several vasoregulatory neurotransmitters and hormones which affect the outcome of this disease. In this thesis the blood levels of several vasoactive peptides in humans with congestive heart failure and their effects on the vasculature by the use of an animal model of heart failure were studied. Patients with congestive

Performance Analysis of a Countercurrent Flow Heat Exchanger Placed on the Truck Compartment Roof

Due to the increasing power requirement and the limited available space in vehicles, placing the heat exchanger at the roof or the underbody of vehicles might increase the possibility to handle the cooling requirement. A new configuration of the heat exchanger has to be developed to accommodate with the position change. In this paper, a countercurrent heat exchanger is developed for position on th

Make-or-buy decisions and the manipulability of performance measures

Abstract in UndeterminedThe make-or-buy decision is analyzed in a simple framework combining contractual incompleteness with the existence of an imperfect but contractible performance measure. Contractual incompleteness gives rise to two regimes, identified with make and buy. The performance measure on which comprehensive contracts can be written is imperfect in the sense of being subject to manip

Perspectives on Lattice Boltzmann Modeling of Transport Processes with Electrochemical Reactions in SOFCs

Lattice Boltzmann method (LBM) is alternative computational method to the traditional computational fluid dynamic (CFD) methods. LBM has the ability to with straightforward computational procedure to handle the detail activity at microscale well for simulation of different transport processes. In this study the focus is on the effects of electrochemical reactions and transport processes in an anod