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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Pertraction Using Chiral Membranes for Racemic Mixture Separation.
 Gaálová, Jana ; Stibor, Ivan ; Cuřínová, Petra ; Izák, Pavel
During pertration experiments we find out, that kinetics of the pertration significantly influence the enantiomer resolution what that facilitated transport is employed.
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New Membranes with Immobilizing Chiral Selector for Racemic Micture Separation.
 Gaálová, Jana ; Cuřínová, Petra ; Stibor, Ivan ; Izák, Pavel
Enantiomers exhibit identical properties in the achiral environment, however, they often differ in effectiveness, pharmacological activity and pharmacokinetic profile since the modules with which they interact in biological systems are also optically active [1,2]. Racemic immobilizing chiral selector is present. Five types of membranes with different amount of chiral selector were used. During the pertraction experiments the membranes were subsequently placed between the feed and receiving phase of the pertraction cell. During pertraction experiments we find out, that kinetics of the pertraction significantly influence the enantiomer resolution what indicated that facilitated transport is employed; while enantioselective sorption activity of the membranes reached up to 100%.
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Plný tet: SKMBT_C22018060513580 - Download fulltextPDF
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Hyperbranched Polyimide End-Capped with (+) or (-) – Isopinocampheylamine Used for Racemic Mixture Separation
 Sysel, P. ; Vychodilová, Hana ; Červenková Šťastná, Lucie ; Žitka, Jan ; Brožová, Libuše ; Randová, A. ; Hovorka, Š. ; Izák, Pavel
In this work, the hyperbranched polyimides terminated with (+) or (-) – isopinocampheylamine were prepared and characterized. Their ability to separate of racemic mixtures of α-pinenes was also evaluated.
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