Determination of the binding constants and ionic mobilities of diquat complexes with randomly sulfated cyclodextrins by affinity capillary electrophoresis
Jan Bílek,
Dušan Koval,
Veronika Šolínová
et al.
Abstract:The enantiomers of diquats (DQs), a new class of functional organic molecules, were recently separated by capillary electrophoresis (CE) with high resolution up to 11.4 within 5–7 min using randomly sulfated α‐, β‐, and γ‐cyclodextrins (CDs) as chiral selectors. These results indicated strong interactions between dicationic diquats and multiply negatively charged sulfated CDs (S‐CDs). However, the binding strength of these interactions was not quantified. For that reason, in this study, affinity CE was applied… Show more
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