1
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Pukleš I, Páger C, Sakač N, Matasović B, Kovač-Andrić E, Šarkanj B, Samardžić M, Budetić M, Molnárová K, Marković D, Vesinger A, Jozanović M. A new green approach to L-histidine and β-alanine analysis in dietary supplements using rapid and simple contactless conductivity detection integrated with high-resolution glass-microchip electrophoresis. Anal Bioanal Chem 2024; 416:3605-3617. [PMID: 38713223 DOI: 10.1007/s00216-024-05314-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/28/2024] [Accepted: 04/19/2024] [Indexed: 05/08/2024]
Abstract
The analysis of dietary supplements is far less regulated than pharmaceuticals, leading to potential quality issues. Considering their positive effect, many athletes consume supplements containing L-histidine and β-alanine. A new microfluidic method for the determination of L-histidine and β-alanine in dietary supplement formulations has been developed. For the first time, capacitively coupled contactless conductivity detection was employed for the microchip electrophoresis of amino acids in real samples. A linear relationship between detector response and concentration was observed in the range of 10-100 µmol L-1 for L-histidine (R2 = 0.9968) and β-alanine (R2 = 0.9954), while achieved limits of detection (3 × S/N ratio) were 4.2 µmol L-1 and 5.2 µmol L-1, respectively. The accuracy of the method was confirmed using recovery experiments as well as CE-UV-VIS and HPLC-UV-VIS techniques. The developed method allows unambiguous identification of amino acids in native form without chemical derivatization and with the possibility of simultaneous analysis of amino acids with metal cations.
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Affiliation(s)
- Iva Pukleš
- Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8, HR-31000, Osijek, Croatia
- Doctoral School of Chemistry, University of Pécs, Ifjúság útja, Pécs, 7624, Hungary
- Department of Analytical and Environmental Chemistry, Faculty of Sciences, University of Pécs, Ifjúság útja, Pécs, 7624, Hungary
| | - Csilla Páger
- Institute of Bioanalysis, Medical School, Szentágothai Research Center, University of Pécs, Pécs, Hungary
| | - Nikola Sakač
- Faculty of Geotechnical Engineering, University of Zagreb, Hallerova 7, HR-42000, Varaždin, Croatia
| | - Brunislav Matasović
- Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8, HR-31000, Osijek, Croatia
| | - Elvira Kovač-Andrić
- Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8, HR-31000, Osijek, Croatia
| | - Bojan Šarkanj
- Department of Food Technology, University North, Trg dr. Žarka Dolinara 1, HR-48000, Koprivnica, Croatia
| | - Mirela Samardžić
- Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8, HR-31000, Osijek, Croatia
| | - Mateja Budetić
- Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8, HR-31000, Osijek, Croatia
| | - Katarína Molnárová
- Department of Analytical Chemistry, Faculty of Science, Charles University, Hlavova 8, 12843, Prague 2, Czech Republic
| | - Dean Marković
- Department of Biotechnology, University of Rijeka, Radmile Matejčić 2, HR-51000, Rijeka, Croatia
| | - Ana Vesinger
- Pirelli Deutschland GmbH, Höchster Straße 48-60, 64747, Breuberg, Germany
| | - Marija Jozanović
- Department of Chemistry, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8, HR-31000, Osijek, Croatia.
- Doctoral School of Chemistry, University of Pécs, Ifjúság útja, Pécs, 7624, Hungary.
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2
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Kuncová A, Svoboda J, Tůma J, Asnin L, Schug K, Kohout M. Chiral zwitterionic stationary phases based on Cinchona alkaloids and dipeptides - design, synthesis and application in chiral separation. J Chromatogr A 2024; 1717:464664. [PMID: 38271770 DOI: 10.1016/j.chroma.2024.464664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 12/29/2023] [Accepted: 01/17/2024] [Indexed: 01/27/2024]
Abstract
Chiral resolution of polar organic compounds such as amino acids and peptides represents an important chromatographic task due to increasing significance of natural species, which play important signaling and regulatory roles in the living organisms. Despite the number of available chiral stationary phases, this task remains challenging, since not many of the commercially available systems are capable to resolve non-derivatized zwitterionic species. In this study, we present a target-oriented design of a new class of chiral selectors. Pursuing the goal to separate amino acids, and especially short peptides, we have combined Cinchona alkaloids - quinine and quinidine - with three different biogenic dipeptides. We have synthesized six different chiral stationary phases, with selector loading of ∼200 μmol g-1, and tested their chiral recognition capabilities for acidic, basic and zwitterionic analytes using various mobile phases. We have observed that all chiral stationary phases retain the chiral anion exchange capability known for commercially available Cinchona-based columns leading to baseline or partial resolution of six out of ten analytes. The performance in chiral resolution of basic analytes is not optimum due to the weak cation exchange character of the peptidic residue. However, we report on encouraging results in the chiral resolution of short peptides, for which, depending on their structure, we see the chiral resolution of up to three stereoisomers (from four possible) in a preliminary screening.
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Affiliation(s)
- Anežka Kuncová
- Department of Organic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Jiří Svoboda
- Department of Organic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Jiří Tůma
- Department of Organic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic
| | - Leonid Asnin
- Department of Chemistry and Biotechnology, Perm National Research Polytechnic University, 29 Komsomolsky Al, 614990 Perm, Russia
| | - Kevin Schug
- Department of Chemistry and Biochemistry, College of Sciences, UT Arlington, 700 Planetarium PI, TX 760 19, Arlington, United States
| | - Michal Kohout
- Department of Organic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic.
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3
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Kozlov O, Hančová E, Cífková E, Lísa M. Comprehensive Single-Platform Lipidomic/Metabolomic Analysis Using Supercritical Fluid Chromatography-Mass Spectrometry. Anal Chem 2024; 96:1320-1327. [PMID: 38193397 DOI: 10.1021/acs.analchem.3c04771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Supercritical fluid chromatography (SFC) is a rapidly expanding technique in the analysis of nonpolar to moderately polar substances and, more recently, also in the analysis of compounds with higher polarity. Herein, we demonstrate a proof of concept for the application of a commercial SFC instrument with electrospray ionization-mass spectrometry (MS) detection as a platform for the comprehensive analysis of metabolites with the full range of polarities, from nonpolar lipids up to highly polar metabolites. The developed single-platform SFC-MS lipidomic/metabolomic method is based on two consecutive injections of lipid and polar metabolite extracts from biphase methyl tert-butyl ether extraction using a diol column and two different gradient programs of methanol-water-ammonium formate modifier. Detailed development of the method focused mainly on the pressure limits of the system, the long-term repeatability of results, and the chromatographic performance, including optimization of the flow rate program, modifier composition and gradient, and injection solvent selection. The developed method enabled fast and comprehensive analysis of lipids and polar metabolites from plasma within a 24 min cycle with two injections using a simple analytical platform based on a single instrument, column, and mobile phase. Finally, the results from SFC-MS analysis of polar metabolites were compared with widely established liquid chromatography MS analysis in metabolomics. The comparison showed different separation selectivity of metabolites using both methods and overall lower sensitivity of the SFC-MS due to the higher flow rate and worse chromatographic performance.
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Affiliation(s)
- Oleksandr Kozlov
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Rokitanského 62, Hradec Králové 50003, Czech Republic
| | - Eliška Hančová
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Rokitanského 62, Hradec Králové 50003, Czech Republic
| | - Eva Cífková
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Rokitanského 62, Hradec Králové 50003, Czech Republic
| | - Miroslav Lísa
- Department of Chemistry, Faculty of Science, University of Hradec Králové, Rokitanského 62, Hradec Králové 50003, Czech Republic
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4
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West C. Supercritical fluid chromatography is not (only) normal-phase chromatography. J Chromatogr A 2024; 1713:464546. [PMID: 38041976 DOI: 10.1016/j.chroma.2023.464546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/26/2023] [Accepted: 11/27/2023] [Indexed: 12/04/2023]
Abstract
Supercritical fluid chromatography (SFC), now using carbon dioxide as a major component of the mobile phase, has been known for over 60 years but still some misunderstandings remain about its capabilities. Amongst them, SFC is often described as a normal-phase chromatographic technique, based on different considerations: polarity of the stationary phase, elution order of the analytes, relative non-polarity of the mobile phase, non-linear retention behaviour, or adsorption retention mechanisms. All of these assumptions are true to a certain extent, and in certain circumstances. But also, all of these assumptions are wrong in different circumstances. In this paper, the criteria to categorize SFC as a normal-phase chromatographic method will be examined individually, considering all knowledge acquired from the early years of its development. Finally, it will appear that the "normal-phase" glass lens is greatly reducing the true extent of SFC's possibilities.
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Affiliation(s)
- Caroline West
- Institute of Organic and Analytical Chemistry, University of Orleans, CNRS UMR7311, rue de Chartres - BP 6759, Orléans 45067, France.
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5
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Losacco GL, Breitbach ZS, Walsh PL, Van Haandel L. Unified chromatography in drug development: Exploiting chaotropic/kosmotropic salts for an accelerated method development. J Chromatogr A 2023; 1709:464392. [PMID: 37742458 DOI: 10.1016/j.chroma.2023.464392] [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: 08/01/2023] [Revised: 09/15/2023] [Accepted: 09/17/2023] [Indexed: 09/26/2023]
Abstract
Recent trends in supercritical fluid chromatography (SFC) introduced an innovative gradient profile called Unified Chromatography (UC), which pushes the amount of liquid modifier up to 80-100 % of the total mobile phase composition. These new conditions allow the full transition from a supercritical to a liquid state, unifying the benefits of both SFC and liquid chromatography. However, to facilitate the use of UC for industrial drug development, a stronger effort is needed to streamline and simplify its method development and optimization. In this work, a quick and novel method development procedure for UC is introduced, enabled by the first-time use of novel additives in SFC/UC that exploit chaotropic/kosmotropic properties. A comprehensive view on some fundamental properties, such as the amount of liquid modifier blended with supercritical CO2 (scCO2) and the percentage of water added in the mobile phase is given, to clarify the benefits of using either a chaotropic salt (NaClO4), kosmotropic (HCOONa) or salt with mixed properties (NaOMs - sodium methanesulfonate). With this expanded knowledge, challenging separations of nucleosides, nucleotide, indoles, triazoles and related derivates have been accomplished with UC. Finally, we provide an example of UC delivering a faster and better method for an AbbVie pipeline compound under accelerated stability study. The combined use of scCO2-based chromatography and the novel additive NaClO4 ensures the retention and elution of all degradation species generated at different conditions, where RP-HPLC failed to provide satisfactory performance.
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Affiliation(s)
- Gioacchino Luca Losacco
- Analytical Research and Development, Small Molecule CMC Development, AbbVie, Inc., 1 North Waukegan Road, North Chicago, IL 60064, USA.
| | - Zachary S Breitbach
- Analytical Research and Development, Small Molecule CMC Development, AbbVie, Inc., 1 North Waukegan Road, North Chicago, IL 60064, USA
| | - Paul L Walsh
- Analytical Research and Development, Small Molecule CMC Development, AbbVie, Inc., 1 North Waukegan Road, North Chicago, IL 60064, USA
| | - Leon Van Haandel
- Analytical Research and Development, Small Molecule CMC Development, AbbVie, Inc., 1 North Waukegan Road, North Chicago, IL 60064, USA
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6
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Du J, Xie F, Liu C, Ji B, Wei W, Wang M, Xia Z. Chiral zinc oxide functionalized quartz crystal microbalance sensor for enantioselective recognition of amino acids. Talanta 2023; 259:124496. [PMID: 37031543 DOI: 10.1016/j.talanta.2023.124496] [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: 12/24/2022] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 04/11/2023]
Abstract
Chiral transition metal oxides with tunable structures and multiple physicochemical features have been increasingly applied for chiral sensing and detection. In this work, chiral zinc oxide (ZnO) was first applied as selector to construct quartz crystal microbalance (QCM) sensor for enantioselective recognition of amino acids. The chiral ZnO was prepared by a methionine-induced self-assembly strategy and its high topological chirality was confirmed by several techniques such as circular dichroism spectrum. The chiral discrimination factors were calculated by frequency shifts in response to aspartic acid, phenylalanine, lysine and arginine on L-ZnO surface, achieving 1.89 ± 0.04, 1.76 ± 0.11, 1.66 ± 0.07 and 1.54 ± 0.09, respectively. Notably, L-enantiomers preferred stronger absorptions on L-ZnO surface as compared to D-forms. It was further found that this sensor was appropriate for quantitative analysis and enantiomer excess analysis and adsorption kinetics study. Furthermore, molecular docking revealed the recognition mechanism, where chiral distinction was caused by the different steric interactions between enantiomers and chiral ZnO. This method enjoyed merits of high enantioselectivity, simple preparation and low cost, offering newly chiral sensing method for other molecules.
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Affiliation(s)
- Jiayin Du
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China
| | - Fengfeng Xie
- Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, China
| | - Chunlan Liu
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China
| | - Baian Ji
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China
| | - Weili Wei
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China
| | - Min Wang
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China.
| | - Zhining Xia
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China.
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7
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Li C, Xiao J, Wu S, Liu L, Zeng X, Zhao Q, Zhang Z. Clinical application of serum-based proteomics technology in human tumor research. Anal Biochem 2023; 663:115031. [PMID: 36580994 DOI: 10.1016/j.ab.2022.115031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/20/2022] [Accepted: 12/24/2022] [Indexed: 12/27/2022]
Abstract
The rapid development of proteomics technology in the past decades has led to further human understanding of tumor research, and in some ways, the technology plays a very important supporting role in the early detection of tumors. Human serum has been shown to contain a variety of proteins closely related to life activities, and the dynamic change in proteins can often reflect the physiological and pathological conditions of the body. Serum has the advantage of easy extraction, so the application of proteomics technology in serum has become a hot spot and frontier area for the study of malignant tumors. However, there are still many difficulties in the standardized use of proteomic technologies, which inevitably limit the clinical application of proteomic technologies due to the heterogeneity of human proteins leading to incomplete whole proteome populations, in addition to most serum protein markers being now not highly specific in aiding the early detection of tumors. Nevertheless, further development of proteomics technologies will greatly increase our understanding of tumor biology and help discover more new tumor biomarkers with specificity that will enable medical technology.
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Affiliation(s)
- Chen Li
- Department of Pathology, The First Affiliated Hospital of University of South China, Hunan, Hengyang, 421001, Hunan Province, China
| | - Juan Xiao
- Department of Otorhinolaryngology, The Second Affiliated Hospital of University of South China, Hunan, Hengyang, 421001, Hunan Province, China
| | - Shihua Wu
- Department of Pathology, The Second Hospital of Shaoyang College, Hunan, Shaoyang, 422000, Hunan Province, China
| | - Lu Liu
- Department of Pathology, The First Affiliated Hospital of University of South China, Hunan, Hengyang, 421001, Hunan Province, China
| | - Xuemei Zeng
- Cancer Research Institute of Hengyang Medical College, University of South China, Key Laboratory of Cancer Cellular and Molecular Pathology in Hunan Province, Hunan, Hengyang, 421001, China
| | - Qiang Zhao
- Department of Pathology, The First Affiliated Hospital of University of South China, Hunan, Hengyang, 421001, Hunan Province, China.
| | - Zhiwei Zhang
- Department of Pathology, The First Affiliated Hospital of University of South China, Hunan, Hengyang, 421001, Hunan Province, China; Cancer Research Institute of Hengyang Medical College, University of South China, Key Laboratory of Cancer Cellular and Molecular Pathology in Hunan Province, Hunan, Hengyang, 421001, China.
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8
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Horáček O, Nováková L, Tüzün E, Grüner B, Švec F, Kučera R. Advanced Tool for Chiral Separations of Anionic and Zwitterionic (Metalla)carboranes: Supercritical Fluid Chromatography. Anal Chem 2022; 94:17551-17558. [PMID: 36475613 DOI: 10.1021/acs.analchem.2c03895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The continuous expansion of research in the field of stable carboranes and their wide potential in the drug design require carrying out fundamental studies regarding their chiral separations. Although supercritical fluid chromatography (SFC) is a viable technique for fast enantioseparations, no investigation concerning boron cluster compounds has been done yet. We aimed at the development of a straightforward method enabling chiral separations of racemic mixtures of anionic cluster carboranes and metallacarboranes that represent an analytical challenge. The fast gradient screening testing nine polysaccharide-based columns was used. The key parameters affecting the selectivity were the type of chiral selector, the type of alcohol, and the base in cosolvent. Moreover, the addition of acetonitrile or water to the cosolvent was identified as an effective tool for decreasing the analysis time while preserving the resolution. After the optimization, the chiral separations of 19 out of 20 selected compounds were achieved in less than 10 min. These results demonstrate the clear advantage of SFC over chiral separations using HPLC in terms of both analysis time and structural variety of successfully separated compounds.
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Affiliation(s)
- Ondřej Horáček
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Králové, Charles University, 500 05 Hradec Králové, Czech Republic
| | - Lucie Nováková
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, 500 05 Hradec Králové, Czech Republic
| | - Ece Tüzün
- Institute of Inorganic Chemistry, Czech Academy of Sciences, 25068 Řež, Czech Republic.,Department of Inorganic Chemistry, Faculty of Science, Charles University, Prague 2, 2030 Hlavova, Czech Republic
| | - Bohumír Grüner
- Institute of Inorganic Chemistry, Czech Academy of Sciences, 25068 Řež, Czech Republic
| | - František Švec
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, 500 05 Hradec Králové, Czech Republic
| | - Radim Kučera
- Department of Pharmaceutical Chemistry and Pharmaceutical Analysis, Faculty of Pharmacy in Hradec Králové, Charles University, 500 05 Hradec Králové, Czech Republic
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9
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Pepermans V, Januarius T, Desmet G, Broeckhoven K. Diffusion coefficients of an extensive set of pharmaceutical compounds in supercritical fluid chromatography over a wide range of mobile phase compositions. J Chromatogr A 2022; 1678:463327. [PMID: 35872536 DOI: 10.1016/j.chroma.2022.463327] [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: 05/06/2022] [Revised: 07/08/2022] [Accepted: 07/08/2022] [Indexed: 10/17/2022]
Abstract
Diffusion data are essential for adequate analysis of the kinetic separation performance of any chromatographic system. Unfortunately, for Supercritical Fluid Chromatography (SFC), very little data is available of the diffusion coefficients in mobile phases typically used in contemporary methods, i.e. with a non-negligible amount of polar modifier such as methanol. In this work, a relative simple method which only requires minor modifications to a standard commercially available SFC instrument is used to determine the diffusion coefficient of an extensive set of pharmaceutical compounds in the range of 10-50 vol% of modifier (methanol) in CO2. By using a traditional SFC column, the solute is first separated from the sample solvent plug, before entering a long capillary, where the band broadening can be linked to its diffusion coefficient using the Taylor-Aris equation. By using two UV-detectors, before and after the capillary, the effect of the dispersion in the column can be eliminated and the true volumetric flow rate determined. It was found that in the investigated range of conditions, the change in mobile phase viscosity in a first approximation allows to predict the variation in diffusion coefficient. Chemical structure and more particularly functional groups can however have a significant effect on the diffusion coefficient.
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Affiliation(s)
| | | | - Gert Desmet
- Vrije Universiteit Brussel, Pleinlaan 2, Brussel 1050, Belgium
| | - Ken Broeckhoven
- Vrije Universiteit Brussel, Pleinlaan 2, Brussel 1050, Belgium.
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10
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Ultrafast simultaneous chiral analysis of native amino acid enantiomers using supercritical fluid chromatography/tandem mass spectrometry. J Chromatogr A 2022; 1677:463305. [DOI: 10.1016/j.chroma.2022.463305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 07/01/2022] [Accepted: 07/02/2022] [Indexed: 11/19/2022]
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11
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Wang R, Zhang J, Luo Z, Xie T, Xiao Q, Pei X, Wang A. Controllably crosslinked dual enzymes enabled by genetic-encoded non-standard amino acid for efficiently enantioselective hydrogenation. Int J Biol Macromol 2022; 205:682-691. [PMID: 35247424 DOI: 10.1016/j.ijbiomac.2022.02.171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 01/30/2022] [Accepted: 02/26/2022] [Indexed: 12/17/2022]
Abstract
In traditional method for preparing crosslinked enzymes aggregates using glutaraldehyde, random linkage is inevitable, which often destroys the enzyme active sites and severely decreases the activity. To address this issue, using genetic encode expanding, nonstandard amino acids (NSAAs) were inserted into enzyme proteins at the preselected sites for crosslinking. When aldehyde ketone reductase (AKR), alcohol dehydrogenase (ADH) and glucose dehydrogenase (GDH) were utilized as model enzymes, their mutants containing p-azido-L-phenylalanine were bio-orthogonally crosslinked with diyne to form crosslinked dual enzymes (CLDEs) acting as a cascade biological oxidation and reduction system. Then, the resultant self-purified CLDEs were characterized using matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS), scanning electron microscopy (SEM), and confocal laser scanning microscopy (CLSM), etc. In the asymmetric synthesis of (S)-1-(2,6-dichloro-3-fluorophenyl) ethanol using CLDEs, high product yield (76.08%), ee value (99.99%) and reuse stability were achieved. The yield and ee value were 12.05 times and 1.39 times higher than those using traditional crosslinked enzyme aggregates, respectively. Thus, controllable insertion NSAAs in number and location can engender reasonable linkage and metal-free self-purification for target enzyme proteins. This facile and sustainable method could be further expanded to other dual and multienzyme systems for cascade biocatalysis.
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Affiliation(s)
- Ru Wang
- College of Medicine, Hangzhou Normal University, Hangzhou 311121, PR China
| | - Jing Zhang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China
| | - Zhiyuan Luo
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China
| | - Tian Xie
- College of Medicine, Hangzhou Normal University, Hangzhou 311121, PR China.
| | - Qinjie Xiao
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China
| | - Xiaolin Pei
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China.
| | - Anming Wang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, PR China.
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12
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Pomeisl K, Vaňkátová P, Hamplová V. Enantioselective HPLC of aryl-substituted oxazolines as an efficient tool for determination of chiral purity of serine medicinal components. J Sep Sci 2022; 45:2217-2227. [PMID: 35460597 DOI: 10.1002/jssc.202100958] [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: 12/10/2021] [Revised: 04/20/2022] [Accepted: 04/20/2022] [Indexed: 11/06/2022]
Abstract
A new approach for evaluation of chiral purity of serine esterification products bearing long-chain alkyl substituents was developed. The compounds were simply converted to aryl-substituted oxazolines which: (i) facilitates effective chromatographic enantioseparation and (ii) enables direct detection using ultraviolet absorption. The method employs polysaccharide-based chiral stationary phase and allows enantioseparation of highly stable oxazoline products in less than 6 minutes using simple binary mobile phase. As opposed to the previously used normal phase method the developed method was performed in the reversed-phase mode. Aside from the benefits of switching to less hazardous solvents with regards to the principles of Green Chemistry, this has also led to reduction of the analysis time. In comparison with known serine chromophores, the best enantioseparation of aryloxazoline rigid structure may be achieved only based on non-polar interactions with chiral stationary phase. In contrast, substitution of the chromophore moiety with hydroxyl substituent affected intra and intermolecular interactions that caused enantioseparation differences. Concurrently, we found a high chirality retention of (R)- and (S)-configuration oxazoline standards (≥ 99% e.e.) during introduction of ultraviolet label. The method is suitable for rapid injection of mixture containing the ultraviolet absorption marker without prior purification. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Karel Pomeisl
- Institute of Physics, Czech Academy of Sciences, Prague, Czech Republic
| | - Petra Vaňkátová
- Institute of Physics, Czech Academy of Sciences, Prague, Czech Republic.,Department of Analytical Chemistry, Faculty of Science, Charles University, Prague, Czech Republic
| | - Věra Hamplová
- Institute of Physics, Czech Academy of Sciences, Prague, Czech Republic
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13
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Antonelli M, Holčapek M, Wolrab D. Ultrahigh-performance supercritical fluid chromatography – mass spectrometry for the qualitative analysis of metabolites covering a large polarity range. J Chromatogr A 2022; 1665:462832. [DOI: 10.1016/j.chroma.2022.462832] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/13/2022] [Accepted: 01/13/2022] [Indexed: 02/06/2023]
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14
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West C, Lesellier E. Selection of SFC stationary and mobile phases. SEP SCI TECHNOL 2022. [DOI: 10.1016/b978-0-323-88487-7.00008-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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15
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Broeckhoven K. Advances in the limits of separation power in supercritical fluid chromatography. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2021.116489] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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16
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Beres M. Expanding the boundaries of SFC: Analysis of biomolecules. SEP SCI TECHNOL 2022. [DOI: 10.1016/b978-0-323-88487-7.00011-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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17
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Khater S, Ferguson P, Grand-Guillaume-Perrenoud A. Method development approaches for small-molecule analytes. SEP SCI TECHNOL 2022. [DOI: 10.1016/b978-0-323-88487-7.00005-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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18
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Chen L, Dean B, Liang X. A technical overview of supercritical fluid chromatography-mass spectrometry (SFC-MS) and its recent applications in pharmaceutical research and development. DRUG DISCOVERY TODAY. TECHNOLOGIES 2021; 40:69-75. [PMID: 34916026 DOI: 10.1016/j.ddtec.2021.10.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 09/28/2021] [Accepted: 10/05/2021] [Indexed: 06/14/2023]
Abstract
In this paper, we review the growing development and applications of supercritical fluid chromatography-mass spectrometry (SFC-MS) for the analysis of small molecular analytes and biomarkers in drug discovery. As an alternative chromatographic technique, SFC instrumentation and methodology have dramatically advanced over the last decade. Mass spectrometry (MS) provides the powerful detection capability as it couples with SFC. A growing number of SFC-MS/MS applications were reported over the last decade and the application areas of SFC-MS/MS is rapidly expanding. The first part of this review is devoted to the different aspects of SFC-MS development and recent technological advancements. In the second part of this review, we highlight the recent application areas in pharmaceutical research and development.
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Affiliation(s)
- Liuxi Chen
- Drug Metabolism & Pharmacokinetics, 1 DNA way, Genentech Inc., South San Francisco, CA, USA.
| | - Brian Dean
- Drug Metabolism & Pharmacokinetics, 1 DNA way, Genentech Inc., South San Francisco, CA, USA
| | - Xiaorong Liang
- Drug Metabolism & Pharmacokinetics, 1 DNA way, Genentech Inc., South San Francisco, CA, USA
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19
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Molineau J, Hamel Y, Hideux M, Hennig P, Bertin S, Mauge F, Lesellier E, West C. Analysis of short-chain bioactive peptides by unified chromatography-electrospray ionization mass spectrometry. Part I. Method development. J Chromatogr A 2021; 1658:462631. [PMID: 34700137 DOI: 10.1016/j.chroma.2021.462631] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 10/12/2021] [Accepted: 10/14/2021] [Indexed: 10/20/2022]
Abstract
A method to analyse short-chain bioactive peptides (MW < 800 Da) and their impurities was developed with a unified chromatography (UC) analysis, including a wide mobile phase gradient ranging from supercritical fluid to near-liquid conditions, with UV and electrospray ionization mass spectrometry detection (ESI-MS). Four stationary phases and three mobile phase compositions were examined. Ten model peptides were first selected to identify the best operating conditions, including five linear tripeptides and five cyclic pentapeptides, with log P values ranging from -5.9 to 3.6, and including isomeric species. Derringer desirability functions were designed to identify optimal operating conditions based on 7 criteria, namely the number of peaks detected (including all impurities resolved), the proportion of the chromatogram occupied by target peaks, the least favourable resolution observed between the main peptide and impurities, peak shape features (asymmetry and peak width at half height), and finally the signal-to-noise ratio observed both with UV (210 nm) and ESI-MS in positive ionization mode. The optimum conditions were obtained on Ascentis Express OH5 stationary phase, with a mobile phase composed of carbon dioxide and methanol, comprising 2% water and 20 mM ammonium hydroxide. The final gradient program ranged from 5 to 80% co-solvent in CO2, with a reversed flow rate gradient ranging from 3.0 to 1.5 mL/min. Back-pressure was set at 120 bar and the column oven temperature at 60°C. Optimal conditions were applied to a large set of 76 peptides (34 linear tripeptides and 42 cyclic pentapeptides) and provided adequate scattering of the peaks in the retention space, together with some separation of isomeric species, particularly for the cyclic peptides.
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Affiliation(s)
- Jérémy Molineau
- University of Orleans, ICOA, CNRS UMR 7311, rue de Chartres, BP 6759, 45067 Orléans, France
| | - Yasmine Hamel
- University of Orleans, ICOA, CNRS UMR 7311, rue de Chartres, BP 6759, 45067 Orléans, France
| | - Maria Hideux
- Institut de Recherches Servier, 11 Rue des Moulineaux, 92210 Suresnes, France
| | - Philippe Hennig
- Institut de Recherches Servier, 11 Rue des Moulineaux, 92210 Suresnes, France
| | - Sophie Bertin
- Institut de Recherches Servier, 11 Rue des Moulineaux, 92210 Suresnes, France
| | - Fabien Mauge
- Institut de Recherches Servier, 11 Rue des Moulineaux, 92210 Suresnes, France
| | - Eric Lesellier
- University of Orleans, ICOA, CNRS UMR 7311, rue de Chartres, BP 6759, 45067 Orléans, France
| | - Caroline West
- University of Orleans, ICOA, CNRS UMR 7311, rue de Chartres, BP 6759, 45067 Orléans, France.
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On-line supercritical fluid extraction-supercritical fluid chromatography (SFE-SFC) at a glance: A coupling story. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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21
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Toribio L, Bernal J, Martín MT, Ares AM. Supercritical fluid chromatography coupled to mass spectrometry: A valuable tool in food analysis. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116350] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Recent developments in separation methods for enantiomeric ratio determination of amino acids specifically involved in cataract and Alzheimer's disease. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116287] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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23
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Losacco GL, Veuthey JL, Guillarme D. Metamorphosis of supercritical fluid chromatography: A viable tool for the analysis of polar compounds? Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116304] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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24
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Unified chromatography - Mass spectrometry as a versatile tool for determination of food dyes. Anal Chim Acta 2021; 1157:338401. [PMID: 33832583 DOI: 10.1016/j.aca.2021.338401] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 02/26/2021] [Accepted: 02/28/2021] [Indexed: 02/02/2023]
Abstract
Unified chromatography with mass spectrometric detection was assessed for determination of food dyes. Nineteen substances representing azo, triphenylmethane, xanthone, indigoid, quinoline and polyene classes covering an unprecedented range from nonpolar β-Carotene (logD 13.6) to ionic Tartrazine (logD -7.5) were analyzed simultaneously. The dyes were separated in a single experimental run by an 18-min gradient elution from 98% CO2 to 100% aqueous-methanolic modifier on a diol column. Isomeric substances were resolved, and Isatin Sulfonic acid was detected as a degradation product of Indigo Carmine. Mobile phase properties reproducibly changed from supercritical to liquid state ensuring stable retention times (inter-day RSD<0.5%). Quantitative analysis of sports drinks after straightforward 10- or 25-fold dilution with dimethyl sulfoxide confirmed the method applicability to real-life samples. Sufficient limits of detection (typically 0.025 mg L-1 in processed samples, equivalent to 0.25 mg L-1 in drink) and a wide linear range (typically 0.5-50 mg L-1 or 1.3-125 mg L-1 in drink for 10× or 25× dilution, respectively) were demonstrated during validation. A comparison of method performance with competitive liquid chromatography procedures is also provided. Unified chromatography is a promising tool for comprehensive multiclass analysis of dyes in the context of food safety.
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Homerin G, Ghinet A, Nica AS, Chankvetadze B, Lipka E. Optimization of Detection of Native Amino Acids with Evaporative Light Scattering Detector in Chiral Supercritical Fluid Chromatography. Chromatographia 2021. [DOI: 10.1007/s10337-020-03999-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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26
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Gordillo R. Supercritical fluid chromatography hyphenated to mass spectrometry for metabolomics applications. J Sep Sci 2020; 44:448-463. [DOI: 10.1002/jssc.202000805] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 10/14/2020] [Accepted: 10/15/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Ruth Gordillo
- Touchstone Diabetes Center University of Texas Southwestern Medical Center Dallas Texas USA
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27
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Molineau J, Hideux M, West C. Chromatographic analysis of biomolecules with pressurized carbon dioxide mobile phases - A review. J Pharm Biomed Anal 2020; 193:113736. [PMID: 33176241 DOI: 10.1016/j.jpba.2020.113736] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 10/24/2020] [Accepted: 10/24/2020] [Indexed: 12/14/2022]
Abstract
Biomolecules like proteins, peptides and nucleic acids widely emerge in pharmaceutical applications, either as synthetic active pharmaceutical ingredients, or from natural products as in traditional Chinese medicine. Liquid-phase chromatographic methods (LC) are widely employed for the analysis and/or purification of such molecules. On another hand, to answer the ever-increasing requests from scientists involved in biomolecules projects, other chromatographic methods emerge as useful complements to LC. In particular, there is a growing interest for chromatography with a mobile phase comprising pressurized carbon dioxide, which can be named either (i) supercritical (or subcritical) fluid chromatography (SFC) when CO2 is the major constituent of the mobile phase, or (ii) enhanced fluidity liquid chromatography (EFLC) when hydro-organic or purely organic solvents are the major constituents of the mobile phase. Despite the low polarity of CO2, supposedly inadequate to solubilize such biomolecules, SFC and EFLC were both employed in many occasions for this purpose. This paper specifically reviews the literature related to the SFC/EFLC analysis of free amino acids, peptides, proteins, nucleobases, nucleosides and nucleotides. The analytical conditions employed for specific molecular families are presented, with a focus on the nature of the stationary phase and the mobile phase composition. We also discuss the potential benefits of combining SFC/EFLC to LC in a single gradient elution, a method sometimes designated as unified chromatography (UC). Finally, detection issues are presented, and more particularly hyphenation to mass spectrometry.
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Affiliation(s)
- Jérémy Molineau
- University of Orleans, ICOA, CNRS UMR 7311, rue de Chartres, BP 6759, 45067 Orléans, France
| | - Maria Hideux
- Institut de Recherches Servier, 11 rue des Moulineaux, 92150 Suresnes, France
| | - Caroline West
- University of Orleans, ICOA, CNRS UMR 7311, rue de Chartres, BP 6759, 45067 Orléans, France.
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28
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Losacco GL, Fekete S, Veuthey JL, Guillarme D. Investigating the use of unconventional temperatures in supercritical fluid chromatography. Anal Chim Acta 2020; 1134:84-95. [PMID: 33059869 DOI: 10.1016/j.aca.2020.07.076] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/28/2020] [Accepted: 07/30/2020] [Indexed: 10/23/2022]
Abstract
The use of unorthodox temperatures, ranging from -5 °C up to 80 °C, have been thoroughly investigated in supercritical fluid chromatography. To this purpose, an initial evaluation of the kinetic and thermodynamic performance has been made with a set of 4 analytes eluting at different percentages of organic co-solvent in the mobile phase (3%-10% - 45%-80%). The van Deemter plots have demonstrated how, at low organic modifier presence, the use of low temperatures did not necessarily translate into worse performance, while high temperatures could pose more issues due to the poor handling of the super/subcritical mobile phase by the chromatographic system. With important percentages of co-solvent, however, high temperatures were fundamental in ensuring better profiles of the van Deemter plots, compared to low temperatures. Pressure plots have demonstrated that gradients reaching elevated percentages of organic modifiers can also be used on stationary phases packed with sub 2 μm silica particles if high temperatures are employed. The thermodynamic evaluation, made via the analysis of van't Hoff plots, indicates the presence of three retention behaviors happening in UHPSFC when switching from high to low temperatures, depending on the co-solvent percentage needed to elute one analyte. Finally, an assessment of the stationary phase stability at high temperatures was performed: the retention times variabilities recorded were minimal (RSD < 2.5%), as well as the peak widths and inlet column pressures were somewhat constant throughout the analyses. In the second part of this study, a focus on potential applications benefiting from such unconventional temperatures has been made. A series of challenging analytes have experienced better chromatographic resolution at either high or low temperatures, providing therefore a potentially interesting tool to analysts during the chromatographic method development process. In conclusion, the UV sensitivity at different temperatures was also taken into consideration, with no significant impact on the quality of the UV signal under any condition.
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Affiliation(s)
- Gioacchino Luca Losacco
- School of Pharmaceutical Sciences, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva 4, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva 4, Switzerland
| | - Szabolcs Fekete
- School of Pharmaceutical Sciences, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva 4, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva 4, Switzerland
| | - Jean-Luc Veuthey
- School of Pharmaceutical Sciences, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva 4, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva 4, Switzerland
| | - Davy Guillarme
- School of Pharmaceutical Sciences, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva 4, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel-Servet 1, 1211, Geneva 4, Switzerland.
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29
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Application of chiral chromatography in radiopharmaceutical fields: A review. J Chromatogr A 2020; 1632:461611. [PMID: 33086153 DOI: 10.1016/j.chroma.2020.461611] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/07/2020] [Accepted: 10/08/2020] [Indexed: 01/20/2023]
Abstract
Chiral column chromatography (CCC) is a revolutionary analytical methodology for the enantioseparation of novel positron emission tomography (PET) tracers in the primary stages of drug development. Due to the different behaviors of tracer enantiomers (e.g. toxicity, metabolism and side effects) in administrated subjects, their separation and purification is a challenging endeavor. Over the last three decades, different commercial chiral columns have been applied for the enantioseparation of PET-radioligand (PET-RL) or radiotracers (PET-RT), using high-performance liquid chromatography (HPLC). The categorization and reviewing of them is a vital topic. This review presents a brief overview of advances, applications, and future prospectives of CCC in radiopharmaceutical approaches. In addition, the effective chromatographic parameters and degravitation trends to enhance enantioseparation resolution are addressed. Moreover, the application and potential of chiral super fluidical chromatography (CSFC) as an alternative for enantioseparation in the field of radiopharmaceutical is discussed. Finally, the crucial application challenges of CCC are explained and imminent tasks are suggested.
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30
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Violi JP, Bishop DP, Padula MP, Steele JR, Rodgers KJ. Considerations for amino acid analysis by liquid chromatography-tandem mass spectrometry: A tutorial review. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.116018] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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31
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Gradient supercritical fluid chromatography coupled to mass spectrometry with a gradient flow of make-up solvent for enantioseparation of cathinones. J Chromatogr A 2020; 1625:461286. [DOI: 10.1016/j.chroma.2020.461286] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 05/27/2020] [Accepted: 05/29/2020] [Indexed: 12/17/2022]
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32
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Carenzi G, Sacchi S, Abbondi M, Pollegioni L. Direct chromatographic methods for enantioresolution of amino acids: recent developments. Amino Acids 2020; 52:849-862. [DOI: 10.1007/s00726-020-02873-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 07/05/2020] [Indexed: 12/24/2022]
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33
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Analysis of free amino acids with unified chromatography-mass spectrometry—application to food supplements. J Chromatogr A 2020; 1616:460772. [DOI: 10.1016/j.chroma.2019.460772] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 11/23/2019] [Accepted: 12/04/2019] [Indexed: 02/07/2023]
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34
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Enantioanalysis of glutamine—a key factor in establishing the metabolomics process in gastric cancer. Anal Bioanal Chem 2020; 412:3199-3207. [DOI: 10.1007/s00216-020-02575-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/21/2020] [Accepted: 03/03/2020] [Indexed: 12/16/2022]
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35
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Miller L, Yue L. Chiral separation of underivatized amino acids in supercritical fluid chromatography with chiral crown ether derived column. Chirality 2020; 32:981-989. [PMID: 32141123 DOI: 10.1002/chir.23204] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/07/2020] [Accepted: 02/13/2020] [Indexed: 12/17/2022]
Abstract
The supercritical fluid chromatographic separation of underivatized amino acids was explored using immobilized chiral crown ether column CROWNPAK CR-I (+) and mass spectrometric detection. The type of modifier, acidic additives, and the role of water were investigated. Enantioseparation was achieved for all 18 amino acids investigated with short retention times (less than 3 minutes) and average resolution of greater than 5.0. Analysis of enantiomerically pure standards demonstrated the D enantiomer eluted first for all amino acids using a CROWNPAK CR-I (+) column.
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Affiliation(s)
| | - Lei Yue
- Amgen Research, Amgen, Cambridge, Massachusetts
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37
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Raimbault A, Ma CMA, Ferri M, Bäurer S, Bonnet P, Bourg S, Lämmerhofer M, West C. Cinchona-based zwitterionic stationary phases: Exploring retention and enantioseparation mechanisms in supercritical fluid chromatography with a fragmentation approach. J Chromatogr A 2020; 1612:460689. [DOI: 10.1016/j.chroma.2019.460689] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/05/2019] [Accepted: 11/06/2019] [Indexed: 12/16/2022]
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Ferré S, González-Ruiz V, Guillarme D, Rudaz S. Analytical strategies for the determination of amino acids: Past, present and future trends. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1132:121819. [PMID: 31704619 DOI: 10.1016/j.jchromb.2019.121819] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 09/25/2019] [Accepted: 09/27/2019] [Indexed: 12/27/2022]
Abstract
This review describes the analytical methods that have been developed over the years to tackle the high polarity and non-chromophoric nature of amino acids (AAs). First, the historical methods are briefly presented, with a strong focus on the use of derivatization reagents to make AAs detectable with spectroscopic techniques (ultraviolet and fluorescence) and/or sufficiently retained in reversed phase liquid chromatography. Then, an overview of the current analytical strategies for achiral separation of AAs is provided, in which mass spectrometry (MS) becomes the most widely used detection mode in combination with innovative liquid chromatography or capillary electrophoresis conditions to detect AAs at very low concentration in complex matrixes. Finally, some future trends of AA analysis are provided in the last section of the review, including the use of supercritical fluid chromatography (SFC), multidimensional liquid chromatography and electrophoretic separations, hyphenation of ion exchange chromatography to mass spectrometry, and use of ion mobility spectrometry mass spectrometry (IM-MS). Various application examples will also be presented throughout the review to highlight the benefits and limitations of these different analytical approaches for AAs determination.
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Affiliation(s)
- Sabrina Ferré
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, 1211 Geneva 4, Switzerland
| | - Víctor González-Ruiz
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, 1211 Geneva 4, Switzerland; Swiss Centre for Applied Human Toxicology (SCAHT), Switzerland
| | - Davy Guillarme
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, 1211 Geneva 4, Switzerland.
| | - Serge Rudaz
- Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - Rue Michel Servet 1, 1211 Geneva 4, Switzerland; Swiss Centre for Applied Human Toxicology (SCAHT), Switzerland
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