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Plasma homocysteine concentrations in a group of 80-year-old persons were related to symptoms and signs. Plasma homocysteine concentrations higher than 15 mumol/l were associated with lower total life satisfaction (P<0.01), mood (P<0.05), zest for life (P<0.05), lower scores for reasoning (P<0.05), spatial ability (P<0.05), memory recognition (P<0.05), and subjective health (P<0.01). In an instrum
Tidskrift med sex artiklar, två debattinlägg, en avhandlingsopposition och elva recensioner.
Although the radioluminescence (RL) signal from optical fibre Al2O3:C dosemeters used in medical applications is essentially proportional to dose rate, the crystals used so far are imperfect in the sense that their RL sensitivity changes with accumulated dose. A computational algorithm has been developed that corrects for these sensitivity changes. We further report on a new system that effectivel
Popular Abstract in Swedish Detta är en avhandling om bioenergi (eller biomassa som används för produktion av värme, el eller som drivmedel), om dess betydande potential och viktiga alternativ. Biomassa kan ses som solenergi som fångats genom fotosyntes och lagrats i växande biomassa. Men bra förutsättningar kan bioenergi starkt bidra till minskad klimatpåverkan, ökad förbättrad försörjningstrygghThis thesis concentrates on bioenergy (or biomass utilised for heat, electricity and fuels for transport) as a renewable energy with significant potentials and options. Biomass can be considered as 'stored' solar energy because the process of photosynthesis 'captures' energy from the sun in growing plants. Bioenergy systems under the 'right' conditions can greatly contribute to climate mitigation,
It has been proposed that the developmentally supportive care of very-low-birthweight (VLBW) infants provided by the Newborn Individualized Developmental Care and Assessment Program (NIDCAP) can improve the infants' opportunities for rest and sleep. The aim of the present study was to determine whether quiet sleep (QS) in VLBW infants is affected by NIDCAP care. Twenty-two infants with a gestation
The study of direct electron transfer between enzymes and electrodes is frequently hampered by the small fraction of adsorbed proteins that remains electrochemically active. Here, we outline a strategy to overcome this limitation, which is based on a hierarchical analysis of steady-state electrocatalytic currents and the adoption of the "binary activity" hypothesis. The procedure is illustrated by
I huvudsak har putsade fasader undersökts. Tre nybyggda hus i Stockholmsområdet, ett ca. 20 år gammalt provhus i Dalby samt ett objekt i Ärvinge har undersökts med avseende på missfärgningar förorsakade av bland annat mögelsvamp men även av lavor, mossor och alger. Denna inledande undersökning behandlar, i alla väsentliga delar, vad för sorts påväxt som bidrar till missfärgningar av fasader. I skr
This study investigates the syntax, semantics and information structure of it-cleft constructions in German and Swedish. The syntactic analysis is presented within a standard framework of generative theory. In defining genuine cleft constructions, both the syntactic and the semantic structures of clefts are taken into consideration. Here, it proves essential to distinguish between different kinds
OBJECTIVES: The referrals of elderly for cardiac surgery are increasing. The aim of this retrospective study is to review the long-term survival and to identify causes of late death in elderly after cardiac surgery. DESIGN: Between 1990 and 1993, 130 octogenarians underwent cardiac surgery in our department. A majority (88%) had elective surgery. One hundred and nine patients (84%) were in New Yor
BACKGROUND: Extracellular nucleotides play an important role in the regulation of vascular tone and may be involved in cerebral vasospasm after subarachnoidal haemorrhage. This study was designed to characterise the contractile P2 receptors in endothelium-denuded human cerebral and omental arteries. The isometric tension of isolated vessel segments was recorded in vitro. P2 receptor mRNA expressio
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Objective: Pain measurement is a necessity in pain treatment but can be difficult in young children. The aim of this study was to evaluate the validity and reliability of the Behavioural Observational Pain Scale (BOPS) as a postoperative pain measurement scale for children aged 1-7 yrs. The scale assesses three elements of pain behaviors: facial expression, verbalization, and body position. Design
A chemiluminescent (CL) based micro-immuno supported liquid membrane assay (mu-ISLMA) has been developed that enables clean up, enrichment and detection of simazine in a single miniaturised cartridge system. The mu-ISLM cartridge contains a supported liquid membrane (SLM) sandwiched between a donor and an acceptor plate (channel volumes 1.65 mu L), the latter being covered by a thin layer of gold
Aim To describe the relative impact on survival of the delay from estimated time of collapse to call for an ambulance among patients who suffer from a bystander witnessed out of hospital cardiac arrest of a cardiac aetiology. Methods A majority of all ambulance organizations in Sweden (covering 85% of Sweden inhabitants) participate in a National survey of out of hospital cardiac arrest. Results I
