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Low temperature is a key factor that limits growth and productivity of many important agronomical crops worldwide. Rice (Oryza sativa L.) is negatively affected already at temperatures below +10°C and is therefore denoted as chilling sensitive. However, chilling tolerant rice cultivars exist and can be commercially cultivated at altitudes up to 3,050 meters with temperatures reaching as low as +4°
Numerous genetic loci have been associated with systolic blood pressure (SBP) and diastolic blood pressure (DBP) in Europeans(1-3). We now report genome-wide association studies of pulse pressure (PP) and mean arterial pressure (MAP). In discovery (N = 74,064) and follow-up studies (N = 48,607), we identified at genome-wide significance (P = 2.7 x 10(-8) to P = 2.3 x 10(-13)) four new PP loci (at
Acidogenic fermentation of wastewater can serve as a first step in a process for mixed culture production of polyhydroxyalkanoates (PHA) since the produced volatile fatty acids (VFA) are preferred substrates for PHA production. Acidogenic fermentation of industrial wastewaters (cheese whey permeate and three pulp and paper mill effluents) was evaluated in batch and continuous experiments. From the
Medical, social and ADL variables were registered within 48 hours of stroke onset and 6 and 12 months later in 346 first-ever stroke patients. One year after stroke onset 27% of the patients were dead. 78% of the surviving patients were living in their own homes, 10.6% in old people's homes with no medical facilities and 9.5% in nursing homes. A health index was used for ADL evaluation and the qua
An experimental study of a glow plug engine combustion process has been performed by applying chemiluminescence imaging. The major intent was to understand what kind of combustion is present in a glow plug engine and how the combustion process behaves in a small volume and at high engine speed. To achieve this, images of natural emitted light were taken and filters were applied for isolating the f
In this paper we have conducted a systematic study of the photoelectron diffraction (PED) effects from the 3C-SiC(0 0 1)-c(4 x 2) surface by means of multiple-scattering calculations. Two models have been proposed to describe this surface: alternately up and down dimers (AUDD) [P. Soukiassian, F. Semond, L. Douillard, A. Mayne, G. Djuradin, L. Pizzagalli, C. Joachim, Phys. Rev. Lett. 78 (1997) 907
Pairs of potato slices were blanched, soaked in a NaCl solution or water and fried. The originally adjoining faces of the chips were analysed for average L*a*b* color by digital photography and image analysis. Stepwise increases in blanching temperature (60, 65, 70, 75, 80 degrees C/5 min) gave rise to gradually darker chips above 65 degrees C, by a total of 9L* units (P = 0.001). Slices soaked af
Dark-grown tigrina-d(12) mutants of barley (Hordeum vulgare L.) accumulate abnormally high amounts of the chlorophyll intermediate protochlorophyllide. In light dark cycles this leads to necrotic segments of the seedling leaves and lethality due to photodynamic damage by the excessive protochlorophyllide accumulated in the dark period. Upon inhibition of the early chlorophyll biosynthetic enzyme,
Popular Abstract in Swedish Sophia Elisabeth Brenner (1659-1730) var Sveriges första stora kvinnliga poet. Hon var verksam som författare och lärd kvinna under femtio år, och var dessutom en flitig brevskrivare. Avhandlingen baseras på en inventering av bevarade brev till och från Sophia Brenner skrivna på latin, svenska, franska och italienska. Hennes nylatinska korrespondens med danske Otto SpeSophia Elisabeth Brenner (1659-1730) was Sweden's first great female poet, writing and publishing her poems over a period of fifty years. She was also, however, a prolific letter writer. The dissertation is based on an inventory of all the preserved letters to and from her written in Latin, Swedish, French and Italian. Her Neo-Latin correspondence with the Dane Otto Sperling the Younger is presen
The most important issue in this dissertation will be a discussion concerning metal age flint use in Scania. Since flint tools from the Bronze and Iron Ages and Medieval times have rarely been examined, there are few general guidelines in typology or morphology. It is quite clear that conversions of existing Stone Age typological schemes are unsuitable when one intends to study the often simple an
Popular Abstract in Swedish Bakgrund Hälsopromotion i skolan förespråkas för att främja välmående och förebygga depressiva symtom hos ungdomar, men insatsernas effektivitet och kostnadseffektivitet behöver utvärderas löpande. Depressiva symtom klassas av WHO som den största sjukdomsbördan hos unga människor och skapar såväl stort lidande för den enskilda och de anhöriga, som höga samhällskostnaderBackground: DISA (Depressive Symptoms In Swedish Adolescents) is a cognitive behavioral intervention aimed at preventing stress and depressive symptoms in adolescents. It is frequently used in Swedish schools for students aged 13-15 years. DISA is commonly offered to females, but at some schools, the intervention is also offered to males. In this study, the application of the intervention for both
Popular Abstract in Swedish Inledningen till avhandlingens första kapitel tar avstamp i en diskussion om normativa (hur man bör göra) och deskriptiva (hur man faktiskt går tillväga) förhandlingsteorier. Normativa teorier bygger på antaganden om att människor kan och vet i stort sett allting och de ger råd om hur man bör göra. De deskriptiva förhandlingsteorierna försöker förklara hur människor fakScholars within the Process school assume that cognitive and motivational aspects within the decision and integration processes may systematically effect the outcome of mergers and acquisitions. More specifically, it has been suggested that decision makers use heuristics for simplifying information processing which may introduce bias. The main aim of the present thesis is to add to the understandi
Increased levels of inflammatory mediators such as cystenyl leukotrienes (CysLT) have been found in and around tumors. These data, along with our previous observation that the G-protein-coupled receptor CysLT(1)R, which signals survival and proliferation, is up-regulated in colon cancer, suggest an important role for CysLT(1)R in tumor development. The objective of this study was to examine the ex
In laryngectomized patients a tracheo-esophageal artificial fistula can be used to achieve air flow from the trachea to the esophagus during speech. A one-way plastic valve is often used for the fistula. A free jejunal graft between the trachea and the esophagus can also be used. To avoid aspiration the transplant is attached to the submental area giving the graft a siphon-like shape. We performed
This paper presents one of the most extensive Holocene tephra records found to date in Scandinavia. Microtephra horizons originating from Icelandic eruptions were recorded in two ca. 2 m thick peat profiles at Klocka Bog in west-central Sweden. Five of the microtephra horizons were geochemically correlated to the Askja-1875, Hekla-3, Kebister, Hekla-4 and Lairg A tephras respectively. Radiocarbon-
he surface structure of Bi(110) has been investigated by low-energy electron diffraction (LEED) intensity analysis and by first-principles calculations. Diffraction patterns at a sample temperature of 110 K and normal incidence reveal a bulk truncated (1×1) surface without indication of any structural reconstruction despite the presence of dangling bonds on the surface layer. Good agreement is obt
Specific molecular recognition materials are important in analytical applications. It has been a longstanding dream for scientific explorers to realise a versatile method to generate materials that can recognize biological and chemical substance of interests. Toward this goal, developing synthetic polymer materials, molecularly imprinted polymers (MIPs) is one of the most promising approaches. Esp
Popular Abstract in Swedish Avhandlingen är en granskning av ett antal psykologiska metoder i syfte att förbättra bedömning/diagnostik av två olika tillstånd förknippade med kontakt med kemikalier: (1) kronisk nedsättning av hjärnfunktion till följd av långvarig kontakt med lösningsmedel i yrket (toxisk encefalopati, förkortat TE), och (2) överkänslighet för kemikalielukter av okända orsaker (eng.The dissertation deals with psychological methods aimed at improving the understanding and assessment of two disorders related to contact with chemicals: solvent-induced chronic toxic encephalopathy (TE) and multiple chemical sensitivity (MCS). The main aim of Paper I was to study whether the addition of some newer psychological tests of complex attention and executive functions to a traditional
Abstract Purpose Treatment with blood pressure lowering drugs may reduce morbidity and mortality. However, the efficacy and effectiveness may differ between antihypertensive agents. The current investigation aimed to compare mortality and cancer incidence in hypertensive patients treated with calcium channel blockers (CCB) or with other antihypertensive drugs (AHD). Methods All patients in two o
Small rodents were captured in two regions in western Sweden. One represents an agricultural landscape were captures were made in 19 small habitat islands and in two small forests. The other represents a forest region were captures were made in four sites in a continuous forest. The captures were made for seven years. There were no clear indications of cyclicity. Within both regions, wood mice cap
