High-performance thin-layer chromatography and pressurized planar electrochromatography of some diastereomeric amino acid derivatives in reversed-phase …

B Polak, A Maruszak, PW Płocharz - JPC-Journal of Planar …, 2016 - akjournals.com
The separation of 1-fluoro-2, 4-dinitrophenyl-5-l-valine amide (FVDA) diastereomeric
derivatives of aspartic acid, cysteine, and histidine by means of high-performance thin-layer …

Separation of amino acid 2,4-dinitrophenyl-5- l -valine amide diastereomeric derivatives with high-performance planar chromatography and pressurized …

B Polak, K Balasa, T Dzido - JPC-Journal of Planar Chromatography …, 2013 - akjournals.com
Separation of 2, 4-dinitrophenyl-5-l-valine amide derivatives of some amino acids (leucine,
isoleucine, valine, asparagine, cysteine, tryptophane) L and D-enantiomers with high …

Thin-layer chromatography and pressurized planar electrochromatography of amino acids in systems with silica gel and water mobile phase

A Chomicki, TH Dzido, E Materna-Witkowska… - JPC–Journal of Planar …, 2016 - Springer
Thin-layer chromatography (TLC) and pressurized planar electrochromatography (PPEC) of
amino acids in normal-phase system is presented. The results have been obtained for …

Separation of some aromatic amino acid enantiomers with pressurized planar electrochromatography and TLC

B Polak, KK Wojtanowski, P Ślązak, TH Dzido - Chromatographia, 2011 - Springer
Influence of buffer pH, buffer concentration and ratio of methanol to acetonitrile in ternary
mobile phase on migration distance of enantiomers of phenylalanine, tyrosine and DOPA in …

Influence of some variables on separation of diastereomeric FVDA-amino alcohol derivatives in high performance thin layer chromatography and pressurized planar …

B Polak, A Chomicki, P Wierzchowski… - Current Analytical …, 2016 - ingentaconnect.com
Separation of five β-blocker 1-fluoro-2, 4-dinitrophenyl-5-L-valine amide (FVDA) derivatives
ie acebutolol, atenolol, metoprolol, oxprenolol and pindolol by means of high-performance …

Separation of 9-fluorenylmethyloxycarbonyl amino acid derivatives in micellar systems of high-performance thin-layer chromatography and pressurized planar …

B Polak, A Traczuk, S Misztal - Scientific Reports, 2019 - nature.com
The problems with separation of amino acid mixtures in reversed-phase mode are the result
of their hydrophilic nature. The derivatisation of the amino group of mentioned above solutes …

β-Cyclodextrin as the mobile phase component for separation of some DNS-amino acid enantiomers with HPTLC and PPEC

B Polak, P Garbacz - Current Analytical Chemistry, 2015 - ingentaconnect.com
Separation of 5-(dimethylamino) naphthalene-1-sulphonyl (DNS-) derivatives of some
amino acids (alanine, leucine, valine, phenylalanine) D-and L-enantiomers with high …

Pressurized planar electrochromatography of DNS amino acids derivatives in silica gel and silanized silica gel systems with formic acid addition to the water mobile …

A Chomicki, TH Dzido - JPC–Journal of Planar Chromatography–Modern …, 2021 - Springer
Pressurized planar electrochromatography (PPEC) of dansyl (DNS) derivatives of amino
acids in normal-and reversed-phase systems is presented. The results have been obtained …

[PDF][PDF] Effect of mobile phase buffer pH on separation selectivity of some isoquinoline alkaloids in reversed-phase systems of pressurized planar …

E Kopciał, B Polak, R Pietraś, P Mączka… - Curr. Iss. Pharm. Med …, 2013 - academia.edu
Separation of some isoquinoline alkaloids (narcotine, chelidonine, dihydrocodeine,
cinchonine, berberine, cinchonidine, papaverine, apomorphine) has been investigated with …

The influence of addition of ion-pairing acid and organic modifier of the mobile phase on retention and migration of peptides in pressurized planar …

R Gwarda, TH Dzido - Journal of Chromatography A, 2018 - Elsevier
In our previous papers we have investigated the influence of the mobile phase composition
on mechanism of retention, selectivity and efficiency of peptide separation in various high …