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Utvecklingen vad gäller halterna av marknära ozon i norra Europa under de senaste drygt tjugo åren karakteriseras av att de högsta halterna har minskat medan de lägsta och medelhöga halterna har ökat. Stigande hemisfäriska bakgrundshalter förklarar troligen de stigande låga till måttliga ozonhalterna.Årsmaximum av glidande 8 timmars ozonmedelhalt minskar på ett statistiskt säkerställt sätt i södra

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Molecular imprinting, method for creating artificial receptors that are mimics of biological antibodies and receptors, is based on the concept of creating substrate-specific recognition sites in polymeric matrices by means of template polymerisation. The polymeric receptors produced display favourable binding characteristics, such as high affinity and specificity towards the substrate molecules. C

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Most of the recombinant proteins produced nowadays are fused to affinity tags, in order to facilitate their purification through affinity chromato-graphy. Out the different tags available, poly-histidine tags are among the most commonly used and can help purification through immobilised metal ion affinity chromatography (IMAC). In this thesis, we present different metal binding tags, and their af