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Česla P, Hájek T, Urban J, Holčapek M. Liquid chromatography at the university of pardubice: a tribute to Professor Pavel Jandera. J Sep Sci 2022; 45:3214-3231. [PMID: 35932491 DOI: 10.1002/jssc.202200618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/03/2022] [Accepted: 08/03/2022] [Indexed: 11/12/2022]
Abstract
Pavel Jandera was a world-leading analytical chemist who devoted his entire professional life to research in the field of high-performance liquid chromatography. During all his scientific career, he worked at the Department of Analytical Chemistry at the University of Pardubice, Czech Republic. His greatest contribution to the field of liquid chromatography was the introduction of a comprehensive theory of liquid chromatography with programmed elution conditions. He was also involved in the research of gradient elution techniques in preparative chromatography, modeling of retention and selectivity in various phase systems, preparation of organic monolithic microcolumns and, last but not least, in the development of theory and practical applications of two-dimensional liquid chromatography, mainly in the comprehensive form. In this review article, we have tried to capture the highlights of his scientific career and provide the readers with a detailed overview of Pavel Jandera's contribution to the evolution of separation sciences. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Petr Česla
- Faculty of Chemical Technology, Department of Analytical Chemistry, University of Pardubice, Studentská 573, Pardubice, CZ-53210, Czech Republic
| | - Tomáš Hájek
- Faculty of Chemical Technology, Department of Analytical Chemistry, University of Pardubice, Studentská 573, Pardubice, CZ-53210, Czech Republic
| | - Jiří Urban
- Faculty of Science, Department of Chemistry, Masaryk University, Kamenice 5, Brno, CZ-62500, Czech Republic
| | - Michal Holčapek
- Faculty of Chemical Technology, Department of Analytical Chemistry, University of Pardubice, Studentská 573, Pardubice, CZ-53210, Czech Republic
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Urban J, Nechvátalová M, Hekerle L. Retention prediction of monoamine neurotransmitters in gradient liquid chromatography. J Sep Sci 2022; 45:3319-3327. [PMID: 35855653 DOI: 10.1002/jssc.202200201] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 07/11/2022] [Accepted: 07/16/2022] [Indexed: 11/11/2022]
Abstract
Retention prediction of monoamine neurotransmitters has been compared for the generally applied linear solvent-strength model and quadratic polynomial three-parameter model. The design of experiments protocol has been applied to plan linear gradients within the experimental space with altered gradient time, mobile phase flowrate, and column temperature. Relative prediction errors increased at elevated temperature, which is more significant for the linear solvent-strength model when compared to the polynomial model. On the other hand, the predefined design of experiments space controls the retention time errors, as predictions for LC conditions that are outside of the plan are much less accurate and should be avoided. The final part of the work deals with the effect of extracolumn band dispersion on the peak capacity of linear gradients at various gradient times, mobile phase flowrates, and column temperature. The peak capacity determined for corrected experimental data were consistent with the published results dealing with the optimization of peak capacity in gradient elution. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Jiří Urban
- Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Martina Nechvátalová
- Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
| | - Lukáš Hekerle
- Department of Chemistry, Faculty of Science, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic
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den Uijl MJ, Schoenmakers PJ, Pirok BWJ, van Bommel MR. Recent applications of retention modelling in liquid chromatography. J Sep Sci 2020; 44:88-114. [PMID: 33058527 PMCID: PMC7821232 DOI: 10.1002/jssc.202000905] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/02/2020] [Accepted: 10/12/2020] [Indexed: 11/18/2022]
Abstract
Recent applications of retention modelling in liquid chromatography (2015–2020) are comprehensively reviewed. The fundamentals of the field, which date back much longer, are summarized. Retention modeling is used in retention‐mechanism studies, for determining physical parameters, such as lipophilicity, and for various more‐practical purposes, including method development and optimization, method transfer, and stationary‐phase characterization and comparison. The review focusses on the effects of mobile‐phase composition on retention, but other variables and novel models to describe their effects are also considered. The five most‐common models are addressed in detail, i.e. the log‐linear (linear‐solvent‐strength) model, the quadratic model, the log–log (adsorption) model, the mixed‐mode model, and the Neue–Kuss model. Isocratic and gradient‐elution methods are considered for determining model parameters and the evaluation and validation of fitted models is discussed. Strategies in which retention models are applied for developing and optimizing one‐ and two‐dimensional liquid chromatographic separations are discussed. The review culminates in some overall conclusions and several concrete recommendations.
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Affiliation(s)
- Mimi J den Uijl
- Analytical Chemistry Group, van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands.,Centre for Analytical Sciences Amsterdam (CASA), Amsterdam, The Netherlands
| | - Peter J Schoenmakers
- Analytical Chemistry Group, van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands.,Centre for Analytical Sciences Amsterdam (CASA), Amsterdam, The Netherlands
| | - Bob W J Pirok
- Analytical Chemistry Group, van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands.,Centre for Analytical Sciences Amsterdam (CASA), Amsterdam, The Netherlands
| | - Maarten R van Bommel
- Analytical Chemistry Group, van 't Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands.,Centre for Analytical Sciences Amsterdam (CASA), Amsterdam, The Netherlands.,University of Amsterdam, Faculty of Humanities, Conservation and Restoration of Cultural Heritage, Amsterdam, The Netherlands
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Utility of linear and nonlinear models for retention prediction in liquid chromatography. J Chromatogr A 2020; 1613:460690. [DOI: 10.1016/j.chroma.2019.460690] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 11/05/2019] [Accepted: 11/06/2019] [Indexed: 01/18/2023]
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Kaplitz AS, Kresge GA, Selover B, Horvat L, Franklin EG, Godinho JM, Grinias KM, Foster SW, Davis JJ, Grinias JP. High-Throughput and Ultrafast Liquid Chromatography. Anal Chem 2019; 92:67-84. [DOI: 10.1021/acs.analchem.9b04713] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Alexander S. Kaplitz
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Glenn A. Kresge
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Benjamin Selover
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Leah Horvat
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | | | - Justin M. Godinho
- Advanced Materials Technology, Inc., Wilmington, Delaware 19810, United States
| | - Kaitlin M. Grinias
- Analytical Platforms & Platform Modernization, GlaxoSmithKline, Upper Providence, Collegeville, Pennsylvania 19426, United States
| | - Samuel W. Foster
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Joshua J. Davis
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - James P. Grinias
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
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Jandera P, Hájek T, Šromová Z. Mobile phase effects in reversed-phase and hydrophilic interaction liquid chromatography revisited. J Chromatogr A 2018; 1543:48-57. [PMID: 29486886 DOI: 10.1016/j.chroma.2018.02.043] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 02/02/2018] [Accepted: 02/20/2018] [Indexed: 11/24/2022]
Abstract
Correct adjustment of the mobile phase is equally important as the selection of the appropriate column for the separation of polar compounds in LC. Both solvophobic and selective polar interactions control the retention in the Reversed Phase and Hydrophilic Interaction modes. The retention models describing the effects of the volume fraction of the strong eluent component in binary mobile phases on the sample retention factors apply in a limited mobile phase composition range. We introduced a three-parameter retention model, which provides improved prediction of retention over a broad mobile phase range, under isocratic and gradient elution conditions. The model does not imply any assumptions concerning either adsorption or partition distribution mechanism, but allows estimating retention in pure strong and in pure weak mobile phase components. The experimental retention data for phenolic acids and flavones on several core-shell columns with different types of stationary phases agree with the theory. Many polar columns with important structural hydrophobic moieties show dual retention mechanism, (Reversed Phase in water rich mobile phases and Hydrophilic Interaction at high acetonitrile concentrations). It is possible to select the mobile phase compositions in each of the two modes for separations of samples containing compounds largely differing in polarity. The three-parameter model describes the retention in each mode, with separately determined best-fit parameters. We applied the two-mode model to the retention data of sulfonamides and benzoic acid related compounds on a new polymethacrylate zwitterionic monolithic micro-column.
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Affiliation(s)
- Pavel Jandera
- University of Pardubice, Department of Analytical Chemistry, Studentská 573, CZ-53210 Pardubice, Czech Republic
| | - Tomáš Hájek
- University of Pardubice, Department of Analytical Chemistry, Studentská 573, CZ-53210 Pardubice, Czech Republic
| | - Zuzana Šromová
- University of Pardubice, Department of Analytical Chemistry, Studentská 573, CZ-53210 Pardubice, Czech Republic
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Tyteca E, De Vos J, Vankova N, Cesla P, Desmet G, Eeltink S. Applicability of linear and nonlinear retention-time models for reversed-phase liquid chromatography separations of small molecules, peptides, and intact proteins. J Sep Sci 2016; 39:1249-57. [DOI: 10.1002/jssc.201501395] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2015] [Revised: 01/18/2016] [Accepted: 01/18/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Eva Tyteca
- Department of Chemical Engineering; Vrije Universiteit Brussel; Brussels Belgium
| | - Jelle De Vos
- Department of Chemical Engineering; Vrije Universiteit Brussel; Brussels Belgium
| | - Nikola Vankova
- Department of Chemical Engineering; Vrije Universiteit Brussel; Brussels Belgium
- Faculty of Chemical Technology, Department of Analytical Chemistry; University of Pardubice; Pardubice Czech Republic
| | - Petr Cesla
- Faculty of Chemical Technology, Department of Analytical Chemistry; University of Pardubice; Pardubice Czech Republic
| | - Gert Desmet
- Department of Chemical Engineering; Vrije Universiteit Brussel; Brussels Belgium
| | - Sebastiaan Eeltink
- Department of Chemical Engineering; Vrije Universiteit Brussel; Brussels Belgium
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de Villiers A, Venter P, Pasch H. Recent advances and trends in the liquid-chromatography–mass spectrometry analysis of flavonoids. J Chromatogr A 2016; 1430:16-78. [DOI: 10.1016/j.chroma.2015.11.077] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 11/25/2015] [Indexed: 12/22/2022]
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SONG Y, TAKATSUKI K, SEKIGUCHI T, FUNATSU T, SHOJI S, TSUNODA M. Retention and Bandwidth Predictions by Fast Gradient Elution Chromatography Using a Pillar Array Column. CHROMATOGRAPHY 2016. [DOI: 10.15583/jpchrom.2016.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- Yanting SONG
- Graduate School of Pharmaceutical Sciences, University of Tokyo
- Key Laboratory of Tropic Biological Resources, Minister of Education; College of Marine Science, Hainan University
| | | | | | - Takashi FUNATSU
- Graduate School of Pharmaceutical Sciences, University of Tokyo
| | - Shuichi SHOJI
- Major in Nano-Science and Nano-Engineering, Waseda University
| | - Makoto TSUNODA
- Graduate School of Pharmaceutical Sciences, University of Tokyo
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De Vos J, Broeckhoven K, Eeltink S. Advances in Ultrahigh-Pressure Liquid Chromatography Technology and System Design. Anal Chem 2015; 88:262-78. [DOI: 10.1021/acs.analchem.5b04381] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Jelle De Vos
- Vrije Universiteit Brussel, Department
of Chemical Engineering, Pleinlaan 2, B-1050, Brussels, Belgium
| | - Ken Broeckhoven
- Vrije Universiteit Brussel, Department
of Chemical Engineering, Pleinlaan 2, B-1050, Brussels, Belgium
| | - Sebastiaan Eeltink
- Vrije Universiteit Brussel, Department
of Chemical Engineering, Pleinlaan 2, B-1050, Brussels, Belgium
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Sykora D, Vozka J, Tesarova E. Chromatographic methods enabling the characterization of stationary phases and retention prediction in high-performance liquid chromatography and supercritical fluid chromatography. J Sep Sci 2015; 39:115-31. [DOI: 10.1002/jssc.201501023] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 10/08/2015] [Accepted: 10/08/2015] [Indexed: 11/11/2022]
Affiliation(s)
- David Sykora
- Department of Analytical Chemistry; University of Chemistry and Technology; Prague Czech Republic
| | - Jiri Vozka
- Department of Analytical Chemistry; University of Chemistry and Technology; Prague Czech Republic
- Department of Physical and Macromolecular Chemistry, Faculty of Science; Charles University in Prague; Prague Czech Republic
| | - Eva Tesarova
- Department of Physical and Macromolecular Chemistry, Faculty of Science; Charles University in Prague; Prague Czech Republic
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Possibilities of retention prediction in fast gradient liquid chromatography. Part 3: Short silica monolithic columns. J Chromatogr A 2015; 1410:76-89. [DOI: 10.1016/j.chroma.2015.07.070] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 07/16/2015] [Accepted: 07/16/2015] [Indexed: 01/28/2023]
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Adsorption of water from aqueous acetonitrile on silica-based stationary phases in aqueous normal-phase liquid chromatography. J Chromatogr A 2014; 1374:102-111. [DOI: 10.1016/j.chroma.2014.11.028] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 11/07/2014] [Accepted: 11/11/2014] [Indexed: 11/20/2022]
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