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Zhou Y, Li X, Zhao Y, Yang S, Huang L. Plasmonic alloys for quantitative determination and reaction monitoring of biothiols. J Mater Chem B 2023; 11:8639-8648. [PMID: 37491995 DOI: 10.1039/d3tb01076g] [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: 07/27/2023]
Abstract
Biothiols participate in numerous physiological and pathological processes in an organism. Quantitative determination and reaction monitoring of biothiols have important implications for evaluating human health. Herein, we synthesized plasmonic alloys as the matrix to assist the laser desorption and ionization (LDI) process of biothiols in mass spectrometry (MS). Plasmonic alloys were constructed with mesoporous structures for LDI enhancement and trimetallic (PdPtAu) compositions for noble metal-thiol hybridization, toward enhanced detection sensitivity and selectivity, respectively. Plasmonic alloys enabled direct detection of biothiols from complex biosamples without any enrichment or separation. We introduced internal standards into the quantitative MS system, achieving accurate quantitation of methionine directly from serum samples with a recovery rate of 103.19% ± 6.52%. Moreover, we established a rapid monitoring platform for the oxidation-reduction reaction of glutathione, consuming trace samples down to 200 nL with an interval of seconds. This work contributes to the development of molecular tools based on plasmonic materials for biothiol detection toward real-case applications.
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Affiliation(s)
- Yan Zhou
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China.
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
| | - Xvelian Li
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China.
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
| | - Yuewei Zhao
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China.
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
| | - Shouzhi Yang
- School of Biomedical Engineering, Institute of Medical Robotics and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Lin Huang
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China.
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, P. R. China
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2
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Mostafa ME, Grinias JP, Edwards JL. Supercritical Fluid Nanospray Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2022; 33:1825-1832. [PMID: 36049155 DOI: 10.1021/jasms.2c00134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Supercritical fluids are typically electrosprayed using an organic solvent makeup flow to facilitate continuous electrical connection and enhancement of electrospray stability. This results in sample dilution, loss in sensitivity, and potential phase separation. Premixing the supercritical fluid with organic solvent has shown substantial benefits to electrospray efficiency and increased analyte charge state. Presented here is a nanospray mass spectrometry system for supercritical fluids (nSF-MS). This split flow system used small i.d. capillaries, heated interface, inline frit, and submicron emitter tips to electrospray quaternary alkyl amines solvated in supercritical CO2 with a 10% methanol modifier. Analyte signal response was evaluated as a function of total system flow rate (0.5-1.5 mL/min) that is split to nanospray a supercritical fluid with linear flow rates between 0.07 and 0.42 cm/sec and pressure ranges (15-25 MPa). The nSF system showed mass-sensitive detection based on increased signal intensity for increasing capillary i.d. and analyte injection volume. These effects indicate efficient solvent evaporation for the analysis of quaternary amines. Carrier additives generally decreased signal intensity. Comparison of the nSF-MS system to the conventional SF makeup flow ESI showed 10-fold signal intensity enhancement across all the capillary i.d.s. The nSF-MS system likely achieves rapid solvent evaporation of the SF at the emitter point. The developed system combined the benefits of the nanoemitters, sCO2, and the low modifier percentage which gave rise to enhancement in MS detection sensitivity.
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Affiliation(s)
- Mahmoud Elhusseiny Mostafa
- Department of Chemistry and Biochemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103, United States
| | - James P Grinias
- Department of Chemistry and Biochemistry, Rowan University, 201 Mullica Hill Road, Glassboro, New Jersey 08028, United States
| | - James L Edwards
- Department of Chemistry and Biochemistry, Saint Louis University, 3501 Laclede Avenue, St. Louis, Missouri 63103, United States
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3
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Ovchinnikov DV, Vakhrameev SA, Falev DI, Ul’yanovskii NV, Kosyakov DS. Rapid Simultaneous Quantification of 1-Formyl-2,2-Dimethylhydrazine and Dimethylurea Isomers in Environmental Samples by Supercritical Fluid Chromatography-Tandem Mass Spectrometry. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27155025. [PMID: 35956973 PMCID: PMC9370278 DOI: 10.3390/molecules27155025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 11/28/2022]
Abstract
When released to the environment, the rocket fuel unsymmetrical dimethylhydrazine (UDMH) undergoes oxidative transformations, resulting in the formation of an extremely large number of nitrogen-containing transformation products, including isomeric compounds which are difficult to discriminate by common chromatography techniques. In the present work, supercritical fluid chromatography–tandem mass spectrometry (SFC-MS/MS) was proposed for resolving the problem of fast separation and simultaneous quantification of 1-formyl-2,2-dimethylhydrazine (FADMH) as one of the major UDMH transformation products, and its isomers—1,1-dimethylurea (UDMU) and 1,2-dimethylurea (SDMU). 2-Ethylpyridine stationary phase provided baseline separation of analytes in 1.5 min without the distortion of the chromatographic peaks. Optimization of SFC separation and MS/MS detection conditions allowed for the development of rapid, sensitive, and “green” method for the simultaneous determination of FADMH, UDMU, and SDMU in environmental samples with LOQs of 1–10 µg L−1 and linear range covering three orders of magnitude. The method was validated and successfully tested on the real extracts of peaty and sandy soils polluted with rocket fuel and UDMH oxidation products. It was shown that both UDMU and SDMU are formed in noticeable amounts during UDMH oxidation. Despite relatively low toxicity, UDMU can be considered one of the major UDMH transformation products and a potential marker of soil pollution with toxic rocket fuel.
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Affiliation(s)
- Denis V. Ovchinnikov
- Laboratory of Environmental Analytical Chemistry, Core Facility Center “Arktika”, Northern (Arctic) Federal University, Arkhangelsk 163002, Russia
| | - Sergey A. Vakhrameev
- Laboratory of Environmental Analytical Chemistry, Core Facility Center “Arktika”, Northern (Arctic) Federal University, Arkhangelsk 163002, Russia
| | - Danil I. Falev
- Laboratory of Environmental Analytical Chemistry, Core Facility Center “Arktika”, Northern (Arctic) Federal University, Arkhangelsk 163002, Russia
| | - Nikolay V. Ul’yanovskii
- Laboratory of Environmental Analytical Chemistry, Core Facility Center “Arktika”, Northern (Arctic) Federal University, Arkhangelsk 163002, Russia
- Federal Center for Integrated Arctic Research, Arkhangelsk 163000, Russia
- Correspondence: (N.V.U.); (D.S.K.)
| | - Dmitry S. Kosyakov
- Laboratory of Environmental Analytical Chemistry, Core Facility Center “Arktika”, Northern (Arctic) Federal University, Arkhangelsk 163002, Russia
- Correspondence: (N.V.U.); (D.S.K.)
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4
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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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5
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Gazárková T, Plachká K, Svec F, Nováková L. Current state of supercritical fluid chromatography-mass spectrometry. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116544] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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6
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Parr MK, Botrè F. Supercritical fluid chromatography mass spectrometry as an emerging technique in doping control analysis. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2021.116517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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7
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Si-Hung L, Bamba T. Current state and future perspectives of supercritical fluid chromatography. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116550] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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8
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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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9
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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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10
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He Y, Yuan B, Lu Y, Zhao X, Shen C, Ji J, Lin L, Xu J, Xie T, Shan J. In-silico-library-based method enables rapid and comprehensive annotation of cardiolipins and cardiolipin oxidation products using high resolution tandem mass spectrometer. Anal Chim Acta 2021; 1180:338879. [PMID: 34538317 DOI: 10.1016/j.aca.2021.338879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 07/13/2021] [Accepted: 07/22/2021] [Indexed: 01/18/2023]
Abstract
Accumulated evidences suggest that cardiolipins (CLs) and cardiolipin oxidation products (oxCLs) are a class of essential molecules that play critical roles in many physiological functions. Diversity of four acyl chains leads to high structure complexity for cardiolipin species including CLs, monolysocardiolipins (MLCLs) and their oxCLs. The ability to rapidly identify CL species can be implemented by the match of mass spectrometry (MS)-based in-silico spectral database. In this study, after optimizing the chromatography conditions and MS detection, an in-silico library containing 377,754 simulated tandem mass spectra deducing from 31,578 CLs to 52,160 of MLCLs was successfully augmented based on LipidBlast templates. For the construction of the oxCLs' library, twenty-five fatty acyls oxidation products relating to nine oxidation types were permuted and combined. A total of 42,180 oxCL spectra were predicted based on the experimental measurements of oxCLs forming by artificially oxidation. Applying the in-silico database to murine mitochondria and cell samples enabled the sensitive and comprehensive annotation of 86 MLCLs, 307 CLs and 112 oxCLs with high annotation confidence. Compared to the conventional method, our proposed in-silico database provides a more comprehensive interpretation for CL species' characterization with high throughput and sensitivity in nontarget lipidomic study.
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Affiliation(s)
- Yu He
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Binghuan Yuan
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yao Lu
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xia Zhao
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Cunsi Shen
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jianjian Ji
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Lili Lin
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jianya Xu
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Tong Xie
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Jinjun Shan
- Jiangsu Key Laboratory of Pediatric Respiratory Disease, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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11
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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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12
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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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13
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Konya Y, Izumi Y, Bamba T. Development of a novel method for polar metabolite profiling by supercritical fluid chromatography/tandem mass spectrometry. J Chromatogr A 2020; 1632:461587. [PMID: 33059177 DOI: 10.1016/j.chroma.2020.461587] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 09/24/2020] [Accepted: 09/26/2020] [Indexed: 11/17/2022]
Abstract
Supercritical carbon dioxide (scCO2), the main fluid in the mobile phase for supercritical fluid chromatography (SFC), is non-polar. The majority of polar compounds are little soluble in scCO2, thereby rendering them poor candidates for achieving separation by carbon dioxide-based SFC. There is no reported method for the comprehensive analysis of hydrophilic metabolites by SFC with mobile phases comprising a high CO2 ratio. In this study, we investigated the effect of additives in the modifier for enabling the application of SFC to profile diverse polar compounds for metabolomics. Eleven types of columns were screened by using proteinogenic amino acids as the model compounds. The addition of water and acids (formic acid and trifluoroacetic acid (TFA)) to the modifier was also investigated to improve the solubility of the polar compounds and mitigate the unfavorable interaction between the stationary phase and the polar compounds. A significant improvement in the peak shapes of the amino acids was observed upon addition of TFA. The CO2/modifier ratio and TFA concentration in the mobile phases were investigated using the CROWNPAK CR-I (+) column, which showed the best performance during the column-screening. The CO2/methanol/water/TFA ratio of 70/27/3/0.15 (v/v/v/v) was determined as the optimized mobile phase composition. Furthermore, the applicability of the optimized analytical method to other polar compounds was examined; 100 cationic and amphoteric compounds with predicted logPow values that ranged from -5.9 to 1.7 could be simultaneously analyzed without derivatization. Anionic compounds such as organic acids, phosphates, and sugars were excluded from the target analytes. Most of the previously reported SFC methods for analyzing polar compounds employ a gradient elution and require the use of high modifier ratios at 40% or more. In the proposed method, the use of water and TFA enabled the rapid and simultaneous analysis under isocratic elution within 10 min, even with a high CO2 ratio of 70%. Additionally, a rat serum extract was analyzed using the optimized conditions, and 43 polar metabolites were successfully detected. This result demonstrates the applicability of the SFC/tandem mass spectrometry method to real samples.
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Affiliation(s)
- Yutaka Konya
- Division of Metabolomics, Research Center for Transomics Medicine, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yoshihiro Izumi
- Division of Metabolomics, Research Center for Transomics Medicine, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Takeshi Bamba
- Division of Metabolomics, Research Center for Transomics Medicine, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
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van de Velde B, Guillarme D, Kohler I. Supercritical fluid chromatography - Mass spectrometry in metabolomics: Past, present, and future perspectives. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1161:122444. [PMID: 33246285 DOI: 10.1016/j.jchromb.2020.122444] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 12/25/2022]
Abstract
Metabolomics, which consists of the comprehensive analysis of metabolites within a biological system, has been playing a growing role in the implementation of personalized medicine in modern healthcare. A wide range of analytical approaches are used in metabolomics, notably mass spectrometry (MS) combined to liquid chromatography (LC), gas chromatography (GC), or capillary electrophoresis (CE). However, none of these methods enable a comprehensive analysis of the metabolome, due to its extreme complexity and the large differences in physico-chemical properties between metabolite classes. In this context, supercritical fluid chromatography (SFC) represents a promising alternative approach to improve the metabolome coverage, while further increasing the analysis throughput. SFC, which uses supercritical CO2 as mobile phase, leads to numerous advantages such as improved kinetic performance and lower environmental impact. This chromatographic technique has gained a significant interest since the introduction of advanced instrumentation, together with the introduction of dedicated interfaces for hyphenating SFC to MS. Moreover, new developments in SFC column chemistry (including sub-2 µm particles), as well as the use of large amounts of organic modifiers and additives in the CO2-based mobile phase, significantly extended the application range of SFC, enabling the simultaneous analysis of a large diversity of metabolites. Over the last years, several applications have been reported in metabolomics using SFC-MS - from lipophilic compounds, such as steroids and other lipids, to highly polar compounds, such as carbohydrates, amino acids, or nucleosides. With all these advantages, SFC-MS is promised to a bright future in the field of metabolomics.
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Affiliation(s)
- Bas van de Velde
- VU Amsterdam, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Division of BioAnalytical Chemistry, Amsterdam, the Netherlands; Center for Analytical Sciences Amsterdam, Amsterdam, the Netherlands
| | - Davy Guillarme
- School of Pharmaceutical Sciences, University of Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), University of Geneva, Switzerland
| | - Isabelle Kohler
- VU Amsterdam, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Division of BioAnalytical Chemistry, Amsterdam, the Netherlands; Center for Analytical Sciences Amsterdam, Amsterdam, the Netherlands.
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15
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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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16
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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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17
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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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18
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Applications of supercritical fluid chromatography technique in current bioanalysis and pharmaceutical analysis. Bioanalysis 2020; 12:1347-1351. [PMID: 32975435 DOI: 10.4155/bio-2020-0231] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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19
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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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20
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Akbal L, Hopfgartner G. Hyphenation of packed column supercritical fluid chromatography with mass spectrometry: where are we and what are the remaining challenges? Anal Bioanal Chem 2020; 412:6667-6677. [DOI: 10.1007/s00216-020-02715-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/07/2020] [Accepted: 05/14/2020] [Indexed: 12/11/2022]
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21
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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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22
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A rational strategy based on experimental designs to optimize parameters of a liquid chromatography-mass spectrometry analysis of complex matrices. Talanta 2019; 205:120063. [DOI: 10.1016/j.talanta.2019.06.063] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 06/13/2019] [Accepted: 06/16/2019] [Indexed: 12/21/2022]
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23
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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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Supercritical fluid chromatography – Mass spectrometry: Recent evolution and current trends. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.07.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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25
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Huang Y, Wang T, Fillet M, Crommen J, Jiang Z. Simultaneous determination of amino acids in different teas using supercritical fluid chromatography coupled with single quadrupole mass spectrometry. J Pharm Anal 2019; 9:254-258. [PMID: 31452963 PMCID: PMC6702419 DOI: 10.1016/j.jpha.2019.05.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 04/13/2019] [Accepted: 05/05/2019] [Indexed: 01/25/2023] Open
Abstract
Tea is a widely consumed beverage and has many important physiological properties and potential health benefits. In this study, a novel method based on supercritical fluid chromatography coupled with mass spectrometry (SFC-MS) was developed to simultaneously determine 11 amino acids in different types of tea (green teas, Oolong tea, black tea and Pu-erh tea). The separation conditions for the analysis of the selected amino acids including the column type, temperature and backpressure as well as the type of additive, were carefully optimized. The best separation of the 11 amino acids was obtained by adding water (5%, v/v) and trifluoroacetic acid (0.4%, v/v) to the organic modifier (methanol). Finally, the developed SFC-MS method was fully validated and successfully applied to the determination of these amino acids in six different tea samples. Good linearity (r ≥ 0.993), precision (RSDs ≤ 2.99%), accuracy (91.95%–107.09%) as well as good sample stability were observed. The limits of detection ranged from 1.42 to 14.69 ng/mL, while the limits of quantification were between 4.53 and 47.0 ng/mL. The results indicate that the contents of the 11 amino acids in the six different tea samples are greatly influenced by the degree of fermentation. The proposed SFC-MS method shows a great potential for further investigation of tea varieties. A SFC-MS approach was developed for the determination of amino acids. Water and trifluoroacetic acid are interesting additives for the SFC separation of amino acids. The SFC-MS method shows a good potential to differentiate the types of tea based on the content of amino acids.
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Affiliation(s)
- Yang Huang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Shenzhen Institute for Drug Control, Shenzhen, China
- Department of Pharmaceutics, State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, China
- Laboratory for the Analysis of Medicine, Department of Pharmaceutical Sciences, CIRM, University of Liege, CHU B36, B-4000 Liege, Belgium
| | - Tiejie Wang
- Shenzhen Institute for Drug Control, Shenzhen, China
| | - Marianne Fillet
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Laboratory for the Analysis of Medicine, Department of Pharmaceutical Sciences, CIRM, University of Liege, CHU B36, B-4000 Liege, Belgium
| | - Jacques Crommen
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Laboratory for the Analysis of Medicine, Department of Pharmaceutical Sciences, CIRM, University of Liege, CHU B36, B-4000 Liege, Belgium
| | - Zhengjin Jiang
- Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Corresponding author.
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26
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Laaniste A, Leito I, Kruve A. ESI outcompetes other ion sources in LC/MS trace analysis. Anal Bioanal Chem 2019; 411:3533-3542. [PMID: 31025182 DOI: 10.1007/s00216-019-01832-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 03/14/2019] [Accepted: 04/04/2019] [Indexed: 11/26/2022]
Abstract
Choosing an appropriate ion source is a crucial step in liquid chromatography mass spectrometry (LC/MS) method development. In this paper, we compare four ion sources for LC/MS analysis of 40 pesticides in tomato and garlic matrices. We compare electrospray ionisation (ESI) source, thermally focused/heated electrospray (HESI), atmospheric pressure photoionisation (APPI) source with and without dopant, and multimode source in ESI mode, atmospheric pressure chemical ionisation (APCI) mode, and combined mode using both ESI and APCI, i.e. altogether seven different ionisation modes. The lowest limits of detection (LoDs) were obtained by ESI and HESI. Widest linear ranges were observed with the conventional ESI source without heated nebuliser gas. In comparison to HESI, ESI source was significantly less affected by matrix effect. APPI ranked second (after ESI) by not being influenced by matrix effect; therefore, it would be a good alternative to ESI if low LoDs are not required. Graphical abstract.
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Affiliation(s)
- Asko Laaniste
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411, Tartu, Estonia.
| | - Ivo Leito
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411, Tartu, Estonia
| | - Anneli Kruve
- Institute of Chemistry, University of Tartu, Ravila 14a, 50411, Tartu, Estonia
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27
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A chiral unified chromatography–mass spectrometry method to analyze free amino acids. Anal Bioanal Chem 2019; 411:4909-4917. [DOI: 10.1007/s00216-019-01783-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Revised: 01/31/2019] [Accepted: 03/15/2019] [Indexed: 11/27/2022]
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28
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Pilařová V, Plachká K, Khalikova MA, Svec F, Nováková L. Recent developments in supercritical fluid chromatography – mass spectrometry: Is it a viable option for analysis of complex samples? Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.12.023] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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29
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Parr MK, Wüst B, Teubel J, Joseph JF. Splitless hyphenation of SFC with MS by APCI, APPI, and ESI exemplified by steroids as model compounds. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1091:67-78. [DOI: 10.1016/j.jchromb.2018.05.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 05/07/2018] [Accepted: 05/14/2018] [Indexed: 01/10/2023]
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30
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Current trends in supercritical fluid chromatography. Anal Bioanal Chem 2018; 410:6441-6457. [DOI: 10.1007/s00216-018-1267-4] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 06/18/2018] [Accepted: 07/12/2018] [Indexed: 12/16/2022]
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31
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Designs and methods for interfacing SFC with MS. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1091:1-13. [PMID: 29803196 DOI: 10.1016/j.jchromb.2018.05.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 05/02/2018] [Accepted: 05/03/2018] [Indexed: 12/16/2022]
Abstract
Hyphenating SFC with MS is now routinely performed in analytical laboratories. Major instrument providers supply commercial solutions for coupling SFC and MS, which has facilitated wider adoption of the technology. The current status, however, could be achieved based on the work done by many researchers over decades. Interfacing SFC with MS posed some unique challenges, compared to interfacing MS with LC or GC, demanding special solutions. Several interface designs were tried and tested over the years before suitable solutions could be detected. Additional measures, such as (a) mixing SFC mobile-phase with an additional liquid solvent at the column outlet, and (b) heating the interfacing device, had to be adopted to address some specific challenges. Although such modifications and measures look diverse, there is one factor that drove most of them - compressibility of SFC mobile-phase. There are two objectives of this review - (1) to compile various insights which were reported on describing and optimizing SFC-MS interfacing processes, and (2) to link these insights with the fundamental issue of solvent compressibility.
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32
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Haglind A, Hedeland M, Arvidsson T, Pettersson CE. Major signal suppression from metal ion clusters in SFC/ESI-MS - Cause and effects. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1084:96-105. [PMID: 29579734 DOI: 10.1016/j.jchromb.2018.03.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 02/23/2018] [Accepted: 03/12/2018] [Indexed: 01/25/2023]
Abstract
The widening application area of SFC-MS with polar analytes and water-containing samples facilitates the use of quick and simple sample preparation techniques such as "dilute and shoot" and protein precipitation. This has also introduced new polar interfering components such as alkali metal ions naturally abundant in e.g. blood plasma and urine, which have shown to be retained using screening conditions in SFC/ESI-TOF-MS and causing areas of major ion suppression. Analytes co-eluting with these clusters will have a decreased signal intensity, which might have a major effect on both quantification and identification. When investigating the composition of the alkali metal clusters using accurate mass and isotopic pattern, it could be concluded that they were previously not described in the literature. Using NaCl and KCl standards and different chromatographic conditions, varying e.g. column and modifier, the clusters proved to be formed from the alkali metal ions in combination with the alcohol modifier and make-up solvent. Their compositions were [(XOCH3)n + X]+, [(XOH)n + X]+, [(X2CO3)n + X]+ and [(XOOCOCH3)n + X]+ for X = Na+ or K+ in ESI+. In ESI-, the clusters depended more on modifier, with [(XCl)n + Cl]- and [(XOCH3)n + OCH3]- mainly formed in pure methanol and [(XOOCH)n + OOCH]- when 20 mM NH4Fa was added. To prevent the formation of the clusters by avoiding methanol as modifier might be difficult, as this is a widely used modifier providing good solubility when analyzing polar compounds in SFC. A sample preparation with e.g. LLE would remove the alkali ions, however also introducing a time consuming and discriminating step into the method. Since the alkali metal ions were retained and affected by chromatographic adjustments as e.g. mobile phase modifications, a way to avoid them could therefore be chromatographic tuning, when analyzing samples containing them.
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Affiliation(s)
- Alfred Haglind
- Division of Analytical Pharmaceutical Chemistry, Uppsala University, BMC Box 574, SE-751 23 Uppsala, Sweden.
| | - Mikael Hedeland
- Division of Analytical Pharmaceutical Chemistry, Uppsala University, BMC Box 574, SE-751 23 Uppsala, Sweden; National Veterinary Institute (SVA), Dept. of Chemistry, Environment and Feed Hygiene, SE-751 89 Uppsala, Sweden
| | - Torbjörn Arvidsson
- Division of Analytical Pharmaceutical Chemistry, Uppsala University, BMC Box 574, SE-751 23 Uppsala, Sweden; Medical Products Agency, Box 26, SE-751 03 Uppsala, Sweden
| | - Curt E Pettersson
- Division of Analytical Pharmaceutical Chemistry, Uppsala University, BMC Box 574, SE-751 23 Uppsala, Sweden
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Ion mobility in the pharmaceutical industry: an established biophysical technique or still niche? Curr Opin Chem Biol 2018; 42:147-159. [DOI: 10.1016/j.cbpa.2017.11.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Revised: 11/10/2017] [Accepted: 11/15/2017] [Indexed: 01/01/2023]
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34
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Supercritical fluid chromatography: a promising alternative to current bioanalytical techniques. Bioanalysis 2017; 10:107-124. [PMID: 29236519 DOI: 10.4155/bio-2017-0211] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
During the last years, chemistry was involved in the worldwide effort toward environmental problems leading to the birth of green chemistry. In this context, green analytical tools were developed as modern Supercritical Fluid Chromatography in the field of separative techniques. This chromatographic technique knew resurgence a few years ago, thanks to its high efficiency, fastness and robustness of new generation equipment. These advantages and its easy hyphenation to MS fulfill the requirements of bioanalysis regarding separation capacity and high throughput. In the present paper, the technical aspects focused on bioanalysis specifications will be detailed followed by a critical review of bioanalytical supercritical fluid chromatography methods published in the literature.
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35
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Svan A, Hedeland M, Arvidsson T, Pettersson CE. The differences in matrix effect between supercritical fluid chromatography and reversed phase liquid chromatography coupled to ESI/MS. Anal Chim Acta 2017; 1000:163-171. [PMID: 29289305 DOI: 10.1016/j.aca.2017.10.014] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 10/03/2017] [Accepted: 10/18/2017] [Indexed: 12/12/2022]
Abstract
For many sample matrices, matrix effects are a troublesome phenomenon using the electrospray ionization source. The increasing use of supercritical fluid chromatography with CO2 in combination with the electrospray ionization source for MS detection is therefore raising questions: is the matrix effect behaving differently using SFC in comparison with reversed phase LC? This was investigated using urine, plasma, influent- and effluent-wastewater as sample matrices. The matrix effect was evaluated using the post-extraction addition method and through post-column infusions. Matrix effect profiles generated from the post-column infusions in combination with time of flight-MS detection provided the most valuable information for the study. The combination of both qualitative and semi-quantitative information with the ability to use HRMS-data for identifying interfering compounds from the same experiment was very useful, and has to the authors' knowledge not been used this way before. The results showed that both LC and SFC are affected by matrix effects, however differently depending on sample matrix. Generally, both suppressions and enhancements were seen, with a higher amount of enhancements for LC, where 65% of all compounds and all sample matrices were enhanced, compared to only 7% for SFC. Several interferences were tentatively identified, with phospholipids, creatinine, and metal ion clusters as examples of important interferences, with different impact depending on chromatographic technique. SFC needs a different strategy for limiting matrix interferences, owing to its almost reverse retention order compared to RPLC.
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Affiliation(s)
- Alfred Svan
- Division of Analytical Pharmaceutical Chemistry, Uppsala University, BMC, Box 574, SE-751 23 Uppsala, Sweden.
| | - Mikael Hedeland
- Division of Analytical Pharmaceutical Chemistry, Uppsala University, BMC, Box 574, SE-751 23 Uppsala, Sweden; National Veterinary Institute (SVA), Dept. of Chemistry, Environment and Feed Hygiene, SE-751 89 Uppsala, Sweden
| | - Torbjörn Arvidsson
- Division of Analytical Pharmaceutical Chemistry, Uppsala University, BMC, Box 574, SE-751 23 Uppsala, Sweden; Medical Products Agency, Box 26, SE-751 03 Uppsala, Sweden
| | - Curt E Pettersson
- Division of Analytical Pharmaceutical Chemistry, Uppsala University, BMC, Box 574, SE-751 23 Uppsala, Sweden
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