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Träfflista för sökning "WFRF:(Olsson H) ;lar1:(kau)"

Sökning: WFRF:(Olsson H) > Karlstads universitet

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  • Bohlin, Maria, et al. (författare)
  • Structure-activity studies of human beta2-glycoprotein I using capillary electrophoresis
  • 2011
  • Konferensbidrag (refereegranskat)abstract
    • We have investigated various modes of CE to evaluate the interaction between beta2-glycoprotein I (b2gpI) and a number of anionic ligands to contribute to the elucidation of the structure-function relationship of b2gpI. b2gpI is a plasma protein which is involved in the blood coagulation cascade under normal, physiological conditions, however, its precise function is undefined. It is also involved in pathological conditions such as the so-called anti-phospholipid syndrome, where anti-b2gpI autoantibodies induce a prothrombotic state. Therefore, functional characterization of b2gpI under near physiological conditions is of interest. To avoid charge-dependent analyte adsorption to the inner surface of the capillary wall, we have utilized the pH hysteresis effect, where an acidic pretreatment of the capillary made it possible to perform subsequent CE analyses of b2gpI at neutral pH. The interaction between b2gpI and the anionic ligand heparin was studied with migration shift ACE, where the ionic strength, temperature and conformation of b2gpI were easily varied. The interaction between b2gpI and phosphatidylcholine/phosphatidylserine liposomes are subject to an ongoing investigation by means of migration shift ACE, frontal analysis CE, partial filling CE and pre-equilibration partial filling ACE. We conclude that differential, but relatively low binding affinities that are highly dependent on electrostatic interactions and on a preserved conformation of the protein, characterize its interactions with ligands that in vivo will be present in multiple copies on e.g. cell surfaces. The CE procedure for this study is simple, fast and automatic and quantitative binding affinity parameters are conveniently obtained using small amounts of biological materials.
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  • Nordaunet, Ole Martin, et al. (författare)
  • What about the fundamentals of nursing-its interventions and its continuity among older people in need of home- or facility-based care : a scoping review
  • 2024
  • Ingår i: BMC Nursing. - : BioMed Central (BMC). - 1472-6955. ; 23:1
  • Forskningsöversikt (refereegranskat)abstract
    • AimThis scoping review investigated and descriptively summarised previous research about fundamental nursing, its focus (what care needs are described, how is it described and by whom is it described), continuity of care (is it described in relation to fundamental nursing) and possible nursing interventions or activities targeting older people's fundamentals of care needs in home- or facility-based care.MethodsThis scoping review was carried out following the steps of Arksey and O'Malley's methodology and PRISMA-ScR reporting guidelines. Searches were conducted in PubMed via NIH, CINAHL via EBSCO and PsycInfo via ProQuest for the time period between January 2002 and May 2023.ResultsForty-two studies were included where the majority had been conducted in a facility-based care context. Nutrition-or rather nutritional care activities targeting eating and drinking-was the most frequently described fundamental care needs addressed. After this came personal care such as cleansing, dressing, oral care, skin, and foot care. Few studies addressed more than one fundamental care need at the time. The nursing staff described fundamental nursing as complex, comprehensive, and demanding. Older people and relatives described a gap between the fundamental nursing provided and their perceived need for support. Less attention was given to older peoples relational and psychosocial needs. Identified nursing interventions mainly targeted physical care needs. Our findings also implied that interventions focusing on fundamental nursing were described as feasible in practice with favourable or moderate results, while long-term effects were difficult to detect. No studies were identified focusing on fundamental nursing in relation to outcomes such as continuity of care.ConclusionFundamental nursing was mainly described in relation to physical care needs, which were essentially conducted within facility-based care contexts. Interventions and activities primarily focused on one fundamental need at the time, mainly within the physical domain. No nursing interventions were identified focusing on relational and psychosocial needs where continuity of care can be viewed as a relevant outcome. Such limited focus are especially concerning as research has highlighted the importance of that older people with complex care needs can benefit from a holistic and person-centred approach i.e. fundamental nursing.
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