National Repository of Grey Literature 39 records found  beginprevious21 - 30next  jump to record: Search took 0.01 seconds. 
Capillary electrophoresis employed for quantitative characterization of peptide interactions with small ions and cyclodextrins
Kašička, Václav ; Ehala, Sille ; Šolínová, Veronika ; Schimperková, Tereza ; Sázelová, Petra ; Koval, Dušan ; Makrlík, E.
Capillary affinity electrophoresis has been applied to investigate quantitatively two types of non-covalent peptide interactions: i) complexes of pseudopeptide valinomycin with ammonium ion and alkali metal ions, Li+, Na+, K+, Rb+ and Cs+, in methanol, and ii) complexes of enantiomers of dipeptide beta alanyl-D,L-tyrosine and its derivatives with chiral selector, 2-hydroxypropyl-beta-cyclodextrin, in water.
Capillary zone electrophoresis in strongly acidic/basic classical and (quasi)isoelectric background electrolytes applied to separation and characterization of biopeptides
Kašička, Václav ; Koval, Dušan ; Šolínová, Veronika ; Busnel, J. M. ; Poitevin, M. ; Peltre, G.
Capillary zone electrophoresis (CZE) in classical buffer-based background electrolytes (BGEs) or in isoelectric BGEs and carrier ampholytes-based capillary electrophoresis (CABCE), which uses narrow pH cuts of carrier ampholytes (CAs) as quasi-isoelectric BGEs, are presented as a powerful techniques for separation and physicochemical characterization of biologically active peptides.
Investigation of peptide complexes with small cations and cyclodextrins by capillary affinity electrophoresis
Kašička, Václav ; Ehala, Sille ; Šolínová, Veronika ; Schimperková, Tereza ; Sázelová, Petra ; Koval, Dušan
Capillary affinity electrophoresis was applied to quantitative evaluation of the strength of the complexes of i) valinomycin, macrocyclic dodecadepsipeptide ionophore, with small cations (ammonium and alkali metal ions, Li+, Na+, K+, Rb+ and Cs+) in methanol, and ii) enantiomers of dipeptide beta-alanyl-D,L-tyrosine and its derivatives with a chiral selector, 2 hydroxypropyl-beta-cyclodextrin (2-HP-beta-CD), in water.
Separace a charakterizace peptidů kapilární elektroforézou v silně kyselých/bazických základních elektrolytech
Kašička, Václav ; Koval, Dušan ; Šolínová, Veronika ; Sázelová, Petra
Capillary zone electrophoresis in strongly acidic (pH 1.5 – 3.5) and strongly basic (pH 10 – 12) background electrolytes has been applied to separation and physicochemical characterization of biopeptides possessing ionogenic groups with low and high acidity constants (pKa).
Separace a charakterizace stereoizomerů peptidů a pseudopeptidů kapilární elektroforézou
Kašička, Václav ; Koval, Dušan ; Šolínová, Veronika ; Sázelová, Petra
Capillary zone electrophoresis has been applied to separation of diastereomers of phosphinic pseudopeptides in achiral media, and to separation of enantiomers of antimicrobial dipeptide beta-alanyl-L,D-tyrosine in chiral media using beta-cyclodextrin as chiral selector.
Stanovení acidobazických disociačních konstant acyklických nukleosid fosfonátů a příbuzných sloučenin kapilární zónovou elektroforézou
Šolínová, Veronika ; Koval, Dušan ; Kašička, Václav ; Česnek, Michal ; Holý, Antonín
Capillary zone electrophoresis has been applied for determination of acid-base dissociation constants (pKa) of ionogenic groups of newly synthesized acyclic nucleoside phosphonates and related compounds.
Fyzikálně-chemická charakterizace peptidů a bílkovin kapilárními elektromigračními metodami
Kašička, Václav ; Koval, Dušan ; Šolínová, Veronika ; Sázelová, Petra ; Prusík, Zdeněk
High-performance capillary electromigration methods, zone electrophoresis, isotachophoresis, isoelectric focusing, affinity electrophoresis and electrokinetic chromatography, are presented as powerful tools for physicochemical characterization of peptides and proteins.
Kapilárně elektroforetické stanovení D-serinu
Koval, Dušan ; Jirásková, Jana ; Stříšovský, Kvido ; Konvalinka, Jan ; Kašička, Václav
A capillary zone electrophoresis method was developed for determination of D-serine in the presence of L-serine, convenient for screening studies, such as testing of activity of serine racemase inhibitors.
Separace syntetických oligopeptidů a enantiomerů terbutalinu kapilární zónovou elektroforézou s elektroosmotickým tokem řízeným radiálním elektrickým polem
Sázelová, Petra ; Kašička, Václav ; Koval, Dušan ; Prusík, Zdeněk
The home-made device for capillary zone electrophoresis (CZE) with electroosmotic flow (EOF) controlled by radial electric field has been used for separation of oligopeptides (diglycine, triglycine) and terbutaline enantiomers.
Studium vztahu mezi strukturou a pohyblivostí a určování sekundární struktury biopeptidů kapilární zónovou elektroforézou
Šolínová, Veronika ; Kašička, Václav ; Koval, Dušan ; Hlaváček, Jan ; Barth, Tomislav
Capillary zone electrophoresis (CZE) has been applied to the analysis, separation and physico-chemical characterization of insect oostatic peptides, enkephalins and dalargin, and their derivatives and fragments.

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4 Koval, Dominik
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