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Popular Abstract in Swedish BAKGRUND Hjärnskador till följd av otillräckligt blodflöde eller skallskador drabbar varje år ett stort antal människor i vårt land. Otillräckligt blodflöde till hjärnan (cerebral ischemi) uppträder vid en rad kliniska tillstånd, exempelvis slaganfall (stroke), hjärtstillestånd och gravt sänkt blodtryck. Hjärnskador till följd av våld mot huvudet (traumatiska hjärnskadIschemic and traumatic brain damage are major causes of disability and death. While much effort has been spent to develop pharmacological treatments for these conditions, no neuroprotective drugs are in clinical use. Neuronal death following ischemia and trauma occurs in selected cell populations of the brain at various time points after the insult. It is believed that death of neurons are in part

In an exploratory investigation of personality patterns, Swedish air force pilots (n = 22) and ground officers (n = 14) were tested with the Creative Functioning Test, the Serial Color Word test, and the Spiral After-Effect Technique. The participants also answered open questions about their work and about creativity related items. Achievement ratings were made by their superior officers. An initi

Data from 3 whole body manikins, 2 babies and an adult, were used in the study. All the manikins used the same computer program and similar measuring and control units. No special measurements were made for baby and adult manikin comparison, but available data from earlier measurements was used. The conditions involved air layer insulation measurements (AL), laying on back on an insulating surface

Switched capacitors are here investigated for use in reconfigurable matching networks, particularly for DVB-H frequencies. A $0.13$ $mu$m CMOS circuit is evaluated through both simulations and measurements. Source grounded NMOS transistors are used to switch high quality metal capacitors located above metal layer 8. The quality factor and tuning range depend on frequency, switch voltage, capacitor

Mass spectrometry was used to determine the endotoxin (lipopolysaccharide, LPS) marker 3-hydroxytetradecanoic acid and 3-deoxy -D-manno-2-octulosonic acid in cigarette tobacco and smoke particles. Tobacco from cigarettes of different brands purchased in four different countries in Europe and Asia contained similar amounts of LPS. Indoor exposure to environmental tobacco smoke (ETS) in rooms of smo

Popular Abstract in Swedish Vid diabetes råder en oförmåga att hålla nere blodsockret, i synnerhet efter en måltid. Under normala förhållanden orsakar en höjning av blodsockret att insulinfrisättningen stimuleras. Insulin ökar upptaget av glukos i vävnaderna i kroppen, vilket sänker blodsockret. Under vissa förhållanden, såsom fetma, minskar effekten av insulin, ett fenomen som även kallas insulinThe parasympathetic nerves are important for the regulation of insulin secretion, in particular after meal intake. Apart from acetylcholine, several neuropeptides can be found in the parasympathetic nerves innervating the islets of Langerhans, including gastrin-releasing peptide (GRP) and pituitary adenylate cyclase activating polypeptide (PACAP). Exogenous administration of either GRP or PACAP ha

Popular Abstract in Swedish Effekter av giftiga växtplankton på copepoder Vad är växtplankton och copepoder? Växtplankton eller mikroalger som de också kalla's är de dominerande växterna i havet. Det finn's många olika typer av växtplankton och de är alla mycket små (dera's storlek är mellan ett par till några hundra tusendelar av en millimeter). Växtplanktonen använder ljusenergin från solen ocPhytoplankton growth and loss rates are governed by several factors and in many cases, when growth control fails, algal blooms are established. Such blooms can be formed by different phytoplankton species and some of them have harmful impacts on marine ecosystems. One of these negative impacts by some bloom-forming phytoplankton is the ability to produce toxic or inhibitory compounds with broad ef