Enantioselective high-performance liquid chromatographic separation of fluorinated ß- phenylalanine derivatives utilizing Cinchona alkaloid-based ion-exchanger chiral stationary phases: Enantioselective separation of fluorinated ß-phenylalanine derivatives, G. Németi, R. Berkecz, S. Shahmohammadi, E. Forró, W. Lindner, A. Péter, I. Ilisz, J. Chromatogr. A, 1670, (2022)

Electrostatic attraction-repulsion model with Cinchona alkaloid-based zwitterionic chiral stationary phases exemplified for zwitterionic analytes, V. Mimini, F. Ianni, F. Marini, H. Hettegger, R. Sardella, W. Lindnera, Analytica Chimica Acta, 1078, (2019), 212-220

Fragment-based Design of Zwitterionic, Strong Cation and Weak Anion-Exchange Type Mixed-mode Liquid Chromatography Ligands and their Chromatographic Exploration, M. Ferri, S. Bäurer, A. Carotti, M. Wolter, B. Alshaar, J. Theiner, T. Ikegami, C. West, M. Lämmerhof, J. Chromatogr. A, 1621, (2020)

Cinchona -based zwitterionic stationary phases: Exploring retention and enantioseparation mechanisms in supercritical fluid chromatography with a fragmentation approach, A. Raimbault, C. Mai Anh Ma, M. Ferri, S. Bäurer, P. Bonnet, S. Bourg, M. Lämmerhofer, C. West, J. Chromatogr. A, (2019)

Development of a cognitive function marker based on D-amino acid proportions using new chiral tandem LC-MS/MS systems, R. Kimura, H. Tsujimura, M. Tsuchiya, S. Soga, N. Ota, A. Tanaka, H. Kim, Sci Rep, 10, 804, (2020)

Effects of N-methylation and amidination of cyclic ß-amino acids on enantioselectivity and retention characteristics using Cinchona alkaloid- and sulfonic acid-based chiral zwitterionic stationary phases, T. Orosz, E. Forró, F. Fülöp, W. Lindner, I. Ilisz, A. Péter, J. Chromatogr. A, 1535 (2018) 72-79

Electrostatic attraction-repulsion model with Cinchona alkaloid-based zwitterionic chiral stationary phases exemplified for zwitterionic analytes, V. Mimini, F. Ianni, F. Marini, H. Hettegger, R. Sardella, W. Lindner, Analytica Chimica Acta, (2019)

A chiral unified chromatography-mass spectrometry method to analyze free amino acids, A. Raimbault, M. Dorebska, C. West, Analytical and Bioanalytical Chemistry, (2019), 1-9

Stereoselective separation of underivatized and 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate derivatized amino acids using zwitterionic quinine and quinidine type stationary phases by liquid chromatography–High resolution mass spectrometry, J. Horak, M. Lämmerhofer, J. Chromatogr. A, (2019)

Direct Separation of Pregabalin Enantiomers Using a Zwitterionic Chiral Selector by High Performance Liquid Chromatography Coupled to Mass Spectrometry and Ultraviolet Detection, L. Narayana Chennuru, T. Choppari, R. Prasad Nandula, T. Zhang and P. Franco, Molecules, 21(11), 2016, 1578

Exploring the enantiorecognition mechanism of Cinchona alkaloid-based zwitterionic chiral stationary phases and the basic trans-paroxetine enantiomers, R. Sardella, A. Macchiarulo, F. Urbinati, F. Ianni, A. Carotti, M. Kohout, W. Lindner, A. Peter, I. Ilisz, J. Sep. Sci., (2017)

Liquid  chromatographic  enantioseparation  of  limonene-based  carbocyclic  β-amino acids on zwitterionic Cinchona alkaloid based chiral stationary phases, G. Lajkó, T. Orosz, I. Ugrai, Z. Szakonyi. F. Fülöp, W. Lindner, A. Péter, I. Ilisz, J. Sep. Sci., 40, (2017), 3196-3204

A comparative study for the liquid chromatographic enantioseparation of cyclic β-amino acids and cyclic β-aminohydroxamic acids on Cinchona alkaloid-based zwitterionic chiral stationary phases, A. Bajtai, B. Fekete, M. Palkó, F. Fülöp, W. Lindner, M. Kohout, I. Ilisz, A. Péter, J. Sep. Sci., (2018), 1216-1223

Liquid and subcritical fluid chromatographic enantioseparation of N-Fmoc proteinogenic amino acids on Quinidine-based zwitterionic and anion-exchanger type chiral stationary phases. A comparative study, G. Lajkó, N. Grecsó, G.  Tóth, F. Fülöp, W. Lindner, A. Péter, I. Ilisz, Chirality, 29 (2017), 225-238

Peptide Analysis: Zwitterionic Chiral Ion-Exchangers as Complementary Option to HILIC and to Reversed-Phase Chromatography, T. Zhang, E. Holder, P. Franco, M. Lämmerhofer, A. Sievers-Engler, H. Gerhardt, H. Gross, W. Lindner, LCGC Europe, 29 (2016) 112-128

Method development for the determination of d- and l-isomers of leucine in human plasma by high-performance liquid chromatography tandem mass spectrometry and its application to animal plasma samples, H. Sugimoto, M. Kakehi, F. Jinno, Anal. Bioanal. Chem., 407 (2015) 7889-7898

Unusual temperature-induced retention behavior of constrained β-amino acid enantiomers on the zwitterionic chiral stationary phases ZWIX(+) and ZWIX(-), I. Ilisz, Z. Pataj, Z. Gecse, Z. Szakonyi, F. Fülöp, W. Lindner, A. Péter, Chirality, 26 (2014) 385-93

Structural and temperature effects on enantiomer separations of bicyclo[2.2.2]octane-based 3-amino-2-carboxylic acids on cinchona alkaloid-based zwitterionic chiral stationary phases, I. Ilisz, N. Grecsó, M. Palkó, F. Fülöp, W. Lindner, A. Péter, J. Pharm. Biomed. Anal., 98 (2014) 130-139

Effect of mobile phase composition on the liquid chromatographic enantioseparation of bulky monoterpene-based β-amino acids by applying chiral stationary phases based on Cinchona alkaloid, Z. Pataj, I. Ilisz, Z. Gecse, Z. Szakonyi, F. Fülöp, W. Lindner, A. Péter, J. Sep. Sci., 37 (2014) 1075-1082

Liquid chromatographic enantiomer separation with special focus on zwitterionic chiral ion-exchangers, M. Lämmerhofer, Anal. Bioanal. Chem., 406 (2014) 6095-6103

Simultaneous quantification of mefloquine (+)- and (-)- enantiomers and the carboxy metabolite in dried blood spots by liquid chromatography/tandem mass spectrometry, M. C.K. Geditz, W. Lindner, M. Lämmerhofer, G. Heinkele, R. Kerb, M. Ramharter, M. Schwab, U. Hofmann, J. Chromatogr. B, 968 (2014) 32–39

Direct high-performance liquid chromatographic enantioseparation of secondary amino acids on Cinchona alkaloid-based chiral zwitterionic stationary phases. Unusual temperature behavior, I. Ilisz, Z. Gecsea, Z. Pataja, F. Fülöpb, G. Tóthc, W. Lindner, A. Péter, J. Chromatogr. A, 1363 (2014) 169-177

Direct enantioseparation of underivatized aliphatic 3-hydroxyalkanoic acids with a quinine-based zwitterionic chiral stationary phase, F. Ianni, Z. Pataj, H. Gross, R. Sardella, B. Natalini, W. Lindner, M. Lämmerhofer, J. Chromatogr. A, 1363 (2014) 101-108

Zwitterionic chiral stationary phases based in cinchona and chiral sulfonic acids for the direct stereoselective separation of amino acids and other amphoteric compounds, T. Zhang, E. Holder, P. Franco, W. Lindner, J. Sep. Sci., 37 (2014) 1237-1247

Method development and optimization on cinchona and chiral sulfonic acid-based zwitterionic stationary phases for enantiomer separations of free amino acids by high-performance liquid chromatography, T. Zhang, E. Holder, P. Franco, W. Lindner, J. Chromatogr. A, 1363 (2014) 191-199

Direct high-performance liquid chromatographic enantioseparation of free α-, β- and γ-aminophosphonic acids employing cinchona-based chiral zwitterionic ion exchangers, A. F. G. Gargano, M. Kohout, P. Macikova, M. Lämmerhofer, W. Lindner, Anal. Bioanal. Chem., 405 (2013) 8027–8038

Enantioselective recognition at mesoporous chiral metal surfaces, C. Wattanakit, Y. Bon Saint Côme, V. Lapeyre, P. A. Bopp, M. Heim, S. Yadnum, S. Nokbin, C. Warakulwit, J. Limtrakul, A. Kuhn, Nat. Commun., 5, 3325 (2014)

Stationary phase-related Investigations of quinine-based zwitterionic chiral stationary phases operated in anion-, cation-, and zwitterion-exchange modes, C. Hoffmann, R. Reischl, N. M. Maier, M. Lämmerhofer, W. Lindner, J. Chromatogr. A, 1216 (2009) 1147-1156

Investigations of mobile phase contributions to enantioselective anion and zwitterion exchange modes on quinine-based zwitterionic chiral stationary phases, C. Hoffmann, R. Reischl, N. M. Maier, M. Lämmerhofer, W. Lindner. J. Chromatogr. A, 1216 (2009) 1157-1166

Synergistic effects on enantioselectivity of novel zwitterionic chiral stationary phases for separations of chiral acids, bases, and amino acids by HPLC, C. Hoffmann, R. Pell, M. Lämmerhofer, W. Lindner, Anal. Chem., 80 (2008) 8780-8789

Increments to chiral recognition facilitating enantiomer separations of chiral acids, bases and ampholytes using cinchona-based zwitterion exchanger chiral stationary phases, S. Wernisch, R. Pell, W. Lindner, J. Sep. Sci., 3 (2012) 1560-1572

Diastereoselective discrimination of lysine-alanine peptides by zwitterionic cinchona alkaloid-based chiral selectors using electrospray ionization mass spectrometry, J. M. Bobbitt, L. Li, D. D. Carlton, M. Yasin, S. Bhawal, F. W. Foss, S. Wernisch, R. Pell, W. Lindner, K. A. Schug, J. Chromatogr. A, 1269 (2012) 308-315

Versatility of cinchona-based zwitterionic chiral stationary phases: Enantiomer and diastereomer separations of non-protected oligopeptides utilizing a multi-modal chiral recognition mechanism, S. Wernisch, W. Lindner, J. Chromatogr. A, 1269 (2012) 297-307

Mechanistic investigations of cinchona alkaloid-based zwitterionic chiral stationary phases, R. Pell, S. Sic, W. Lindner, J. Chromatogr. A, 1269 (2012) 287-296

Enantioseparation of 6-aminoquinolyl-n-hydroxysuccinimidyl carbamate tagged amino acids and other zwitterionic compounds on cinchona-based chiral stationary phases, R. Hellinger, J. Horak, W. Lindner, Anal. Bioanal. Chem., 405 (2013) 8105-8120

Application of cinchona-sulfonate-based chiral zwitterionic ion exchangers for the separation of proline-containing dipeptide rotamers and determination of on-column isomerization parameters from dynamic elution profiles, S. Wernisch, O. Trapp, W. Lindner, Anal.Chim Acta, 795 (2013) 88-98

Enantioseparation of β2-amino acids on cinchona alkaloid-based zwitterionic chiral stationary phases. Structural and temperature effects, I. Ilisz, N. Grecsó, A. Aranyi, P. Suchotin, D. Tymecka, B. Wilenska, A. Misicka, F. Fülöp, W. Lindner, A. Péter, J. Chromatogr. A, 1334 (2014) 44-54

Automated and simultaneous two-dimensional micro-high-performance liquid chromatographic determination of proline and hydroxyproline enantiomers in mammals, Y. Tojo, K. Hamase, M. Nakata, A. Morikawa, M. Mita, Y. Ashida, W. Lindner, K. Zaitsu, J. Chromatogr. B, 875 (2008) 174-179

Simultaneous determination of d-aspartic acid and d-glutamic acid in rat tissues and physiological fluids using a multi-loop two-dimensional HPLC procedure, H. Han, Y. Miyoshi, K. Ueno, C. Okamura, Y. Tojo, M. Mita, W. Lindner, K. Zaitsu, K. Hamase, J. Chromatogr. B, 879 (2011) 3196-3202

Enantioselective two-dimensional high-performance liquid chromatographic determination of n-methyl-d-aspartic acid and its analogues in mammals and bivalves, R. Koga, Y. Miyoshi, E. Negishi, T. Kaneko, M. Mita, W. Lindner, K. Hamase, J. Chromatogr. A, 1269 (2012) 255-261