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Popular Abstract in Swedish Det största bidraget till komplexitet i kemiska system kommer inte från de kemiska komponenternas molekulära struktur, utan deras växelverkan med varandra. Vi har mycket större kännedom om molekylär struktur i biologiska celler och organismer än om detaljerna i deras växelverkan. Ändå är det precis växelverkan mellan molekyler som utgör alla biologiska processer i grundThis thesis concentrates on the development, synthesis and evaluation of supramolecular systems, assembled from its components by means of hydrogen bonding, using the self-complementary 2-pyridone motif. The thesis is divided in two parts. 1) Supramolecular catalysis: Substrate selectivity is imposed on a derivative of Jacobsen's catalyst, an Mn(salen) complex with 2-quinolone hydrogen-bonding gr

The new European Commission took office on 1 November 2014, with a number of structural changes including the creation of a First Vice-President, a responsibility given to the former Dutch Foreign Minister Frans Timmermans. The First Vice-President will ensure that every Commission proposal respects the principles of subsidiarity and proportionality. If the Commission pays more attention to the pr

Beach profile change due to overwash has a major impact on both developed and undeveloped coasts following storms. The ability to predict such profile change has been further developed within a numerical beach profile change model, taking into account lateral spreading and infiltration on the back slope of the beach, and overwash where the beach crest becomes inundated. These new capabilities were

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Abstract Gastrostomy operations are performed on children referred to the pediatric surgical clinic without being influenced by the patient’s state of nutrition. This has been motivated by the idea that a gastrostomy would enable a fast and secure improvement in this regard. The question arises whether an improvement in the preoperative nutritional status would reduce the number of postoperative c

The aim of this work is to try to explain why the chloride profiles differ even though the samples are taken in a homogeneous concrete, and within a small area. As a first step in this study, different sampling methods have been used to investigate the influence of the sampling method on the achieved results. Slabs were submerged in a 13.5 % NaCl solution for about six months. Two different sampl