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Inclusion complexes formed between β-cyclodextrin (β-CD) and metabolites of catecholamines, i.e. vanillylmandelic acid (VMA), homovanillic acid (HVA) as well as vanillin (VA) were studied using NMR spectroscopy. Due to the importance of these compounds for the diagnosis tumours of the sympathoadrenal system, hydrogels containing β-CD moieties for enhancing entrapping metabolites of catecholamine from...
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