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The interfacial behavior of polyelectrolytes, mainly cationic with varying content of amphiphilic groups, and their complexes with oppositely charged surfactant are discussed. Both the kinetics and the reversibility aspect of the adsorption are considered. The structure of adsorbed layer formed was found to be dependent not only on the bulk solution phase behavior, but also on the pre-applied cond
The aim of the studies was to explore fetal circulatory changes relative to development of brain-sparing flow (BSF) in growth-restricted fetuses exposed to acute hypoxic stress, as provoked by uterine contractions during an oxytocin challenge test (OCT).(1) In fetuses with a normal cerebral circulation during basal conditions, signs of an acute hyperperfusion in both the arterial and venous cerebr
In 1997, a temporally shifted population of Thaumetopoea pilyocampa (Den. & Schiff.), was recorded for the first time in a restricted area of the oldest National Pine Forest of Portugal-the National Pine Forest of Leiria. This new population larval development takes place during the summer (summer population-SP), while in the normal population it takes place during the winter (winter populatio
Streptococcus pneumoniae is an important cause of upper and lower respiratory tract infections, meningitis, peritonitis, bacterial arthritis, and sepsis. Here we have studied a novel immune evasion mechanism of serotype 3 pneumococci, which are particularly resistant to phagocytosis. On their surfaces the bacteria express the factor H-binding inhibitor of complement (Hie), a protein of the pneumoc
Three new species, i.e. Hieracium cirrobractum T. Tyler, H. helenae T. Tyler and H. praviforme T. Tyler, are described from southern Sweden and two new combinations, i.e. Hieracium limitianeum (Johanss.) T. Tyler and Hieracium oletatum (Johanss. & Sam.) T. Tyler are made.
This study is on a combined effect of window, the daylighting and the thermal effects, in desert houses. It is comprised of two complementary studies. In the introduction a historical review on the development of use daylight has been carried out in order to place the case study in a historical perspective. The first study is comprehensive and contains two main parts. In the first part a study was
The goal of this study was to investigate the applicability of asymmetrical flow field-flow fractionation-multi-angle light scattering (AsFIFFFMALS) for size analysis of green fluorescent protein inclusion bodies (GFPIBs). The size distributions of GFPIBs prepared by various culture conditions were determined. For GFPIBs prepared at 37 degrees C the peak maximum hydrodynamic diameter (dH) first in
Although a negative trade-off between current reproductive effort and future reproductive output has for long been hypothesized and in some cases empirically shown, no mechanism with the potential to mediate such a reproductive cost from one season to another has been demonstrated. Here we suggest such a mechanism: the time and/or energy constraints during moult. We manipulated current reproductio
Stopped-flow fluorescence studies were performed to investigate the kinetics of formation of complexes between DNA and cationic vesicles. We followed the kinetics as a function of charge ratio and lipid vesicle composition. Binary mixtures of a saturated cationic lipid, dioctadecyldimethlammonium bromide (DODAB), and a zwitterionic lipid, dioleoylphosphatidylethanolamine (DOPE), were used to prepa
The aim of this study was to examine platelet function after coronary artery bypass grafting (CABG) with and without the use of extracorporeal circulation (ECC). Sixteen male patients scheduled for CABG with (n = 8) and without (n = 8) ECC were included in the study. Platelet retention, as measured with a glass-bead retention test, was examined daily during the first postoperative week. Von Willeb
Analys av Psycho i ljuset av Alfred Hitchcocks samlade verk
An analysis of the Danish project "The Mediation of History".
