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Lactic acid exists as two optical isomers, D- and L-lactic acid. For the production of biodegradable poly-lactic acid an optically pure product is desirable, but a racemate of known and constant ratio can also be used. Lactic acid can be produced either synthetically or fermentatively. Fermentative production has some advantages: by choosing a lactic acid bacterium producing only one of the isomer
OBJECTIVES: To investigate whether the interleukin-1 receptor antagonist (Il-1ra) and interleukin-1beta (Il-1beta) can be detected in human carotid artery tissue, and whether their presence is related to evidence of Chlamydia pneumoniae infection, risk factors for atherosclerosis, and clinical data. SETTING: Departments of Vascular Diseases and Surgical Pathophysiology, University Hospital, Malmö,
Objective: The aim of the present study was to investigate the perceived anxiety, depression, sleeping habits, and participation in social activities in relation to psychotropic drug use among elderly in assisted-living facilities and to identify factors of importance for the use of these drugs. Method: The study had a cross-sectional design and included 93 residents living in old-age homes or in
Aims and objectives. The aim was to study the association between gender, extent and content of care, satisfaction, coping and difficulties in the caregiving situation among older (75+) caregivers and to identify clusters of caregivers. The aim was also to explore psychometrically two instruments assessing satisfaction and difficulties in family caregivers. Background. Caregiving is a complicated
This thesis puts a focus on school leadership and school development. The local authorities took over responsibility for public education in 1991. At the same time, steerage by rules was abandoned in favour of steerage by goal-setting and result evaluation. The principal is an important link in this chain of steerage. The question posed by the thesis concerns whether there are common norms for th
On the basis of cross-sectional studies in elite athletes and longitudinal studies, physical activity in growing children has been suggested to enhance bone mineral acquisition and prevent osteoporosis later in life. The level of exercise in most of these studies is not applicable in a population on a day-to-day basis. The aim of this study was to determine whether moderate increased exercise with
The importance of different additional simplifications used when moving from single site applications to regional applications of the SAFE and MAKEDEP models was studied. The SAFE model is a dynamic soil chemistry model, which apart from physical and chemical soil parameters also needs the historic evolution of atmospheric deposition and nutrient uptake to simulate the effects of acidic deposition
OBJECTIVE: To investigate whether patients with severe radiographic osteoarthritis (OA) have a different outcome at one year after total hip replacement than patients with moderate radiographic OA. To investigate sex related differences in preoperative radiographic and self reported status and in postoperative outcome.METHODS: 184 patients (96 women) with a mean age at surgery of 71.4 years (50-92
Meniscectomy is recognized as an important risk factor for the development of knee osteoarthritis (OA), a disease that traditionally has been considered as a simple "wear and tear" phenomenon. However, despite numerous reports, little evidence has been presented that a limited meniscal resection, compared with a more extensive resection, reduces the risk of OA by preserving meniscal function. Why?
Five representative, and essentially dissimilar, novels by Ulla Isaksson are analysed in this book: the Christian novel Ytterst i havet (1950); the love story De två saliga ("The Blessed Ones" 1962); two novels dealing with feminine problems, Kvinnohuset (1952) and FödelseDagen (1988); and the historical novel Dit du icke vill (1956). The final chapter, on Dit du icke vill , also looks at the Chri
