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Chin S, Cruz K, Goyon A, Venkatramani CJ, Yehl PM, Kurita KL. Two-dimensional reversed phase-normal phase liquid chromatography for simultaneous achiral-chiral analysis to support high-throughput experimentation. J Chromatogr A 2023; 1692:463820. [PMID: 36796276 DOI: 10.1016/j.chroma.2023.463820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/20/2023] [Accepted: 01/20/2023] [Indexed: 02/05/2023]
Abstract
Typical chromatographic analysis of chiral compounds requires the use of achiral methods to evaluate impurities or related substances along with separate methods to evaluate chiral purity. The use of two-dimensional liquid chromatography (2D-LC) to support simultaneous achiral-chiral analysis has become increasingly advantageous in the field of high-throughput experimentation where low reaction yields or side reactions can lead to challenging direct chiral analysis. Advancements in multi-dimensional chromatography have led to the development of robust 2D-LC instrumentation with reversed phase solvent systems (RPLC-RPLC) enabling this simultaneous analysis, eliminating the need to purify crude reaction mixtures to determine stereoselectivity. However, when chiral RPLC cannot separate a chiral impurity from the desired product, there are few viable commercial options. The coupling of NPLC to RPLC (RPLC-NPLC) continues to remain elusive due to solvent immiscibility between the two solvent systems. This solvent incompatibility leads to lack of retention, band broadening, poor resolution, poor peak shapes, and baseline issues in the second dimension. A study was conducted to understand the effect of various water-containing injections on NPLC and applied to the development of robust RPLC-NPLC methods. Following thoughtful consideration and modifications to the design of a 2D-LC system in regards to mobile phase selection, sample loop sizing, targeted mixing, and solvent compatibility, proof of concept has been demonstrated with the development of reproducible RPLC-NPLC 2D-LC methods to perform simultaneous achiral-chiral analysis. Second dimension NPLC method performance proved comparable to corresponding 1D-NPLC methods with excellent percent difference in enantiomeric excess results ≤ 1.09% and adequate limits of quantitation down to 0.0025 mg/mL for injection volumes of 2 µL, or 5 ng on-column.
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Affiliation(s)
- Steven Chin
- Department of Small Molecule Analytical Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States.
| | - Karissa Cruz
- Department of Small Molecule Analytical Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States
| | - Alexandre Goyon
- Department of Small Molecule Analytical Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States
| | - Cadapakam J Venkatramani
- Department of Small Molecule Analytical Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States
| | - Peter M Yehl
- Department of Small Molecule Analytical Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States
| | - Kenji L Kurita
- Department of Small Molecule Analytical Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, United States.
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2
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Fast Triacylglycerol Fingerprinting in Edible Oils by Subcritical Solvent Chromatography. SEPARATIONS 2023. [DOI: 10.3390/separations10010056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Supercritical fluid chromatography (SFC) has witnessed a resurge of interest in the last decade, motivated by substantial progress in hardware capabilities and the development of specifically tailored packing materials. Meanwhile, the technique has been transitioning to the use of mobile phases in which an organic co-solvent is mixed to carbon dioxide under subcritical conditions (subFC). The use of a mobile phase modifier will also affect the selectivity, and extend the range of SFC-amenable compounds, including lipids. In this research, a subFC method was developed for the separation of triacylglycerols (TAGs) in edible oils of vegetable origin, namely borage, corn, hazelnut, olive, palm, peanut, and soybean oil. For all the samples investigated, elution of the TAG species was achieved within 8 min, the only exception being borage oil (14 min run), characterized by TAGs spanning in a wide range of partition number (PN 36–56), as constituted by fatty acids differing for alkyl chain lengths (CN 14–24), and degree of unsaturation (DB 0–9). The coupling to mass spectrometry (MS) detection allowed for the average parameters of fatty acid composition to be derived in the oil TAG constituents. A total of 121 TAGs were identified by subFC-MS, with reduced analysis time and solvent consumption (1.5 mL per analysis) compared to common chromatographic approaches. Key features of the method developed hereby are low toxicity, costs, and environmental impact. Notably, the achieved separations were conducted at room temperature, which is beneficial in terms of column life.
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3
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Nai EA, Thurbide KB. Supercritical Fluid Chromatography of Organic Bases Using a Modified Water Stationary Phase. Chromatographia 2022. [DOI: 10.1007/s10337-022-04208-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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4
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Supercritical fluid chromatography coupled to high-resolution tandem mass spectrometry: an innovative one-run method for the comprehensive assessment of chocolate quality and authenticity. Anal Bioanal Chem 2022; 414:6825-6840. [PMID: 35970969 DOI: 10.1007/s00216-022-04246-6] [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: 05/09/2022] [Revised: 07/06/2022] [Accepted: 07/21/2022] [Indexed: 11/01/2022]
Abstract
To assess chocolate quality and authenticity comprehensively, a combination of various analytical procedures is involved, thereby making the process time-consuming and costly. Thus, we investigated the potential of ultra-high performance supercritical fluid chromatography coupled to quadrupole-time of flight mass spectrometry (UHPSFC-QTOF-MS) as an alternative to "classic" methods. By combining hexane and aqueous extracts from sequential extraction, a single 8-min analytical run enabled us (i) to determine cocoa butter equivalents (CBEs) and milk fat content based on the detection of selected triacylglycerols, (ii) to calculate dry non-fat cocoa solids based on determined theobromine and caffeine content, and (iii) to profile contained sugars. To obtain the most comprehensive information about sample composition, the MS method comprised a full MS scan for non-target screening and several time-scheduled targeted MS/MS functions ("parallel reaction monitoring") optimized according to the possible concentration ranges of the analytes. For 40 different chocolate samples, our results and those obtained by using standard methods (LC-UV for non-fat cocoa solids, and GC-FID for CBEs) were in good agreement. Compared to the conventional approach for chocolate quality and authenticity control, the presented SFC-MS method is a fast, cost-effective, and efficient alternative, and only samples suspicious for the presence of CBE should be referred to the standard GC-FID method for exact CBE quantification. In the study, also some challenges offered by SFC-MS have been addressed.
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He PX, Ling Y, Yong W, Yao MY, Zhang YJ, Feng XS, Zhang Y, Zhang F. Determination of 22 alternative plasticizers in wrap film by solid phase extraction and ultra-high performance supercritical fluid chromatography-tandem mass spectrometry. J Chromatogr A 2022; 1669:462916. [DOI: 10.1016/j.chroma.2022.462916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 01/26/2022] [Accepted: 02/20/2022] [Indexed: 10/19/2022]
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6
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Regio- and Stereospecific Analysis of Triacylglycerols—A Brief Overview of the Challenges and the Achievements. Symmetry (Basel) 2022. [DOI: 10.3390/sym14020247] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The efforts to reveal, in detail, the molecular and intramolecular structures of one of the main lipid classes, namely, triacyl-sn-glycerols, which are now known to affect their specific and important role in all living organisms, are briefly overviewed. Some milestones of significance in the gradual but continuous development and improvement of the analytical methodology to identify the triacylglycerol regio- and stereoisomers in complex lipid samples are traced throughout the years: the use of chromatography based on different separation principles; the improvements in the chromatographic technique; the development and use of different detection techniques; the attempts to simplify and automatize the analysis without losing the accuracy of identification. The spectacular recent achievements of two- and multidimensional methods used as tools in lipidomics are presented.
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7
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Wolrab D, Peterka O, Chocholoušková M, Holčapek M. Ultrahigh-Performance Supercritical Fluid Chromatography / Mass Spectrometry in the Lipidomic Analysis. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116546] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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8
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Zhang J, Zhang Y, Liu X, Xu X, Li Y, Zhang T. Supercritical fluid chromatography tandem mass spectrometry employed with evaporation-free liquid-liquid extraction for the rapid analysis of cinnarizine in rat plasma. J Sep Sci 2021; 45:968-975. [PMID: 34889052 DOI: 10.1002/jssc.202100825] [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: 10/11/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 11/11/2022]
Abstract
Cinnarizine is a weak base, which can produce supersaturation and precipitation during gastrointestinal transit, affecting its absorption in vivo. Therefore, it is necessary to investigate whether the oral bioavailability of cinnarizine can be improved after co-administration with precipitation inhibitors or not. In order to evaluate the pharmacokinetic behavior of cinnarizine in rats, a simple, rapid, sensitive, and environmentally friendly supercritical fluid chromatography-tandem mass spectrometric method was established and validated. In this method, flunarizine, a structural analogue of cinnarizine, was selected as the internal standard, and cinnarizine was extracted from rat plasma using evaporation-free liquid-liquid extraction method. The analytes were separated on a Torus 1-AA column (3.0 mm × 100 mm, 1.7 μm) within 2.0 min, using a gradient elution procedure. The transitions of cinnarizine and flunarizine were m/z 369.1 → 167.1 and m/z 405.1 → 203.1, respectively. Cinnarizine showed good linear correlation in the range of 1-500 ng/ml with a lower limit of quantification of 1 ng/ml. The intra- and interday precision and accuracy of all quality control samples were within ±15%. This high-throughput, accurate, sensitive, and reproducible method has been successfully applied to study the effects of the precipitation inhibitor cinnarizine on the pharmacokinetics in rats.
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Affiliation(s)
- Jiaming Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, P. R. China
| | - Yu Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, P. R. China
| | - Xiaoyu Liu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, P. R. China
| | - Xiaolan Xu
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, P. R. China
| | - Yingchao Li
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, P. R. China
| | - Tianhong Zhang
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, P. R. China
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9
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Tang Y, Ali MM, Sun X, Debrah AA, Wang M, Hou H, Guo Q, Du Z. Development of a high-throughput method for the comprehensive lipid analysis in milk using ultra-high performance supercritical fluid chromatography combined with quadrupole time-of-flight mass spectrometry. J Chromatogr A 2021; 1658:462606. [PMID: 34656840 DOI: 10.1016/j.chroma.2021.462606] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/30/2021] [Accepted: 10/01/2021] [Indexed: 10/20/2022]
Abstract
Milk lipids are one of the most complex materials in nature and are associated with many physiological functions, hence it is important to comprehensively characterize lipids profiles to evaluate the nutritional value of milk. A quick method was developed by ultra-high performance supercritical fluid chromatography coupled to electrospray ionization quadrupole time-of-flight mass spectrometry (UHPSFC-ESI-QTOF-MS) to analyze the non-polar and polar lipids profiles of cow, goat, buffalo, human milk, and infant formulas in 7 min. All chromatographic conditions were carefully optimized and their effect on the chromatographic behavior of lipid classes and species was discussed. Under optimized conditions, 12 lipid classes (triacylglycerols, diacylglycerols, monoglyceride, fatty acids, phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositol, phosphatidylserine, phosphatidylglycerol, sphingomyelin, lyso-phosphatidylcholine, and lyso-phosphatidylethanolamine) were separated and each class was further separated in single analysis to facilitate the identification. 250 lipid species in real samples were characterized and quantified. This result demonstrates the applicability of the UHPSFC-ESI-QTOF-MS method in the high-throughput and comprehensive lipid analysis of milk, and will hopefully help to provide nutritionists with the lipid distribution in different types of milk, as well as help in the design of more suitable infant formula for babies.
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Affiliation(s)
- Yan Tang
- College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Muhammad Mujahid Ali
- College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xuechun Sun
- College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Augustine Atta Debrah
- College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Mengyu Wang
- College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Haiyue Hou
- College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Qiaozhen Guo
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention & Control, Beijing 100013, China
| | - Zhenxia Du
- College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China; Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, Beijing University of Chemical Technology, Beijing 100029, China.
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10
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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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11
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Pattern-Type Separation of Triacylglycerols by Silver Thiolate×Non-Aqueous Reversed Phase Comprehensive Liquid Chromatography. SEPARATIONS 2021. [DOI: 10.3390/separations8060088] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Triacylglycerols (TAGs), as the main components of edible oils and animal fats, are responsible for the nutritional value, organoleptic features and technological properties of foods; each lipid matrix shows a unique TAG profile which can serve as fingerprint to ensure the quality and authenticity of food products. The high complexity of many foodstuffs often makes untargeted elucidation of TAG components a challenging task; thus, more efficient separation techniques may be mandatory. In this research, the TAG profile of a borage (Borago officinalis) seed oil was obtained by two-dimensional comprehensive liquid chromatography (LC×LC), by the coupling of silver thiolate and octadecylsilica monodisperse materials. A total 94 TAG compounds were identified by ion trap-time of flight detection, using atmospheric pressure ionization, with the degree of unsaturation varying from 0 to 9, and partition values ranging from 36 to 56. The group-type separation afforded by this analytical approach may be useful to quickly fingerprint TAG components of oil samples.
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12
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Natural Products, Traditional Uses and Pharmacological Activities of the Genus Biebersteinia (Biebersteiniaceae). PLANTS 2020; 9:plants9050595. [PMID: 32392890 PMCID: PMC7285204 DOI: 10.3390/plants9050595] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 04/25/2020] [Accepted: 04/28/2020] [Indexed: 12/24/2022]
Abstract
Medicinal plants have been known as a rich source of natural products (NPs). Due to their diverse chemical structures and remarkable pharmacological activities, NPs are regarded as important repertoires for drug discovery and development. Biebersteinia plant species belong to the Biebersteiniaceae family, and have been used in folk medicines in China and Iran for ages. However, the chemical properties, bioactivities and modes of action of the NPs produced by medicinal Biebersteinia species are poorly understood despite the fact that there are only four known Biebersteinia species worldwide. Here, we reviewed the chemical classifications and diversity of the various NPs found in the four known Biebersteinia species. We found that the major chemical categories in these plants include flavonoids, alkaloids, phenylpropanoids, terpenoids, essential oils and fatty acids. We also discussed the anti-inflammatory, analgesic, antibacterial, antioxidant, antihypertensive and hypoglycemic effects of the four Biebersteinia species. We believe that the present review will facilitate the exploration of traditional uses and pharmacological properties of Biebersteinia species, extraction of the NPs and elucidation of their molecular mechanisms, as well as the development of novel drugs based on the reported properties and mode-of-action.
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13
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Song L, Huang Y, Gou M, Crommen J, Jiang Z, Feng Y. Method development and validation for the determination of biogenic amines in soy sauce using supercritical fluid chromatography coupled with single quadrupole mass spectrometry. J Sep Sci 2020; 43:2728-2736. [DOI: 10.1002/jssc.202000030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 03/31/2020] [Accepted: 04/08/2020] [Indexed: 12/28/2022]
Affiliation(s)
- Liu Song
- Central LaboratoryGuangdong Pharmaceutical University Guangzhou P. R. China
- Institute of Pharmaceutical AnalysisCollege of PharmacyJinan University Guangzhou P. R. China
| | - Yang Huang
- Shenzhen Institute for Drug Control Shenzhen P. R. China
| | - Marie‐Jia Gou
- Laboratory for the Analysis of MedicineDepartment of Pharmaceutical SciencesCIRM, University of Liege Liege Belgium
| | - Jacques Crommen
- Laboratory for the Analysis of MedicineDepartment of Pharmaceutical SciencesCIRM, University of Liege Liege Belgium
| | - Zhengjin Jiang
- Institute of Pharmaceutical AnalysisCollege of PharmacyJinan University Guangzhou P. R. China
| | - Yifan Feng
- Central LaboratoryGuangdong Pharmaceutical University Guangzhou P. R. China
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14
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Dong-Wei C, Yuan Z, Xiao-Yi D, Yu Z, Guo-Hui L, Xue-Song F. Progress in Pretreatment and Analytical Methods of Coumarins: An Update since 2012 - A Review. Crit Rev Anal Chem 2020; 51:503-526. [PMID: 32314593 DOI: 10.1080/10408347.2020.1750338] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Coumarins are widely used due to their wide range of biological activities, but the long-term or excessive use of coumarin flavors can pose serious health hazards. Therefore, sensitive and specific methods for the quantification of these compounds in different matrices have been developed. In this review, an updated overview of the latest trends in sample preparation techniques and methods used to detect coumarins from March 2012 to April 2019 is provided. This study reviews different analytical methods (such as liquid chromatography coupled with different detectors, electrochemical sensors, capillary electrophoresis, etc.) and different pretreatment methods (such as liquid-liquid extraction, solid-phase extraction, dispersive liquid-liquid microextraction, etc.). Different methods for the pretreatment and determination of coumarins in plant, food, environmental, pharmaceutical and biological samples are summarized, discussed and compared.HighlightsProgress in pretreatment and analytical methods of coumarins are summarized.Fundamentals, instrumentation and applications of purification and quantification are summarized and compared.Optimization of experimental conditions are discussed.Newly emerged eco-friendly methods are introduced.
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Affiliation(s)
- Cui Dong-Wei
- School of Pharmacy, China Medical University, Shenyang, China
| | - Zhang Yuan
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Duan Xiao-Yi
- School of Pharmacy, China Medical University, Shenyang, China
| | - Zhou Yu
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Li Guo-Hui
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Feng Xue-Song
- School of Pharmacy, China Medical University, Shenyang, China
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15
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Schoeny H, Rampler E, Hermann G, Grienke U, Rollinger JM, Koellensperger G. Preparative supercritical fluid chromatography for lipid class fractionation-a novel strategy in high-resolution mass spectrometry based lipidomics. Anal Bioanal Chem 2020; 412:2365-2374. [PMID: 32130438 PMCID: PMC7118041 DOI: 10.1007/s00216-020-02463-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/08/2020] [Accepted: 01/28/2020] [Indexed: 01/01/2023]
Abstract
In this work, a lipidomics workflow based on offline semi-preparative lipid class-specific fractionation by supercritical fluid chromatography (SFC) followed by high-resolution mass spectrometry was introduced. The powerful SFC approach offered separation of a wide polarity range for lipids, enabled enrichment (up to 3 orders of magnitude) of lipids, selective fractionation of 14 lipid classes/subclasses, and increased dynamic range enabling in-depth characterization. A significantly increased coverage of low abundant lipids improving lipid identification by numbers and degree (species and molecular level) was obtained in Pichia pastoris when comparing high-resolution mass spectrometry based lipidomics with and without prior fractionation. Proof-of-principle experiments using a standard reference material (SRM 1950, NIST) for human plasma showed that the proposed strategy enabled quantitative lipidomics. Indeed, for 70 lipids, the consensus values available for this sample could be met. Thus, the novel workflow is ideally suited for lipid class-specific purification/isolation from milligram amounts of sample while not compromising on omics type of analysis (identification and quantification). Finally, compared with established fractionation/pre-concentration approaches, semi-preparative SFC is superior in terms of versatility, as it involved only volatile modifiers and salt additives facilitating any follow-up use such as qualitative or quantitate analysis or further purification down to the single lipid species level. Graphical Abstract.
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Affiliation(s)
- Harald Schoeny
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 38, 1090, Vienna, Austria
| | - Evelyn Rampler
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 38, 1090, Vienna, Austria
- Vienna Metabolomics Center (VIME), University of Vienna, Althanstrasse 14, 1090, Vienna, Austria
- Chemistry Meets Microbiology, Althanstrasse 14, 1090, Vienna, Austria
| | - Gerrit Hermann
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 38, 1090, Vienna, Austria
- ISOtopic Solutions, Waehringer Strasse 38, 1090, Vienna, Austria
| | - Ulrike Grienke
- Vienna Metabolomics Center (VIME), University of Vienna, Althanstrasse 14, 1090, Vienna, Austria
- Department of Pharmacognosy, Faculty of Life Science, University of Vienna, Althanstrasse 14, 1090, Vienna, Austria
| | - Judith M Rollinger
- Vienna Metabolomics Center (VIME), University of Vienna, Althanstrasse 14, 1090, Vienna, Austria
- Department of Pharmacognosy, Faculty of Life Science, University of Vienna, Althanstrasse 14, 1090, Vienna, Austria
| | - Gunda Koellensperger
- Department of Analytical Chemistry, Faculty of Chemistry, University of Vienna, Waehringer Strasse 38, 1090, Vienna, Austria.
- Vienna Metabolomics Center (VIME), University of Vienna, Althanstrasse 14, 1090, Vienna, Austria.
- Chemistry Meets Microbiology, Althanstrasse 14, 1090, Vienna, Austria.
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16
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Pauk V, Lemr K. Investigation of chromatographic peak broadening in supercritical fluid chromatography/atmospheric pressure chemical ionization mass spectrometry. J Sep Sci 2020; 43:1190-1194. [DOI: 10.1002/jssc.201901130] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 12/15/2019] [Accepted: 12/15/2019] [Indexed: 01/07/2023]
Affiliation(s)
- Volodymyr Pauk
- Regional Centre of Advanced Technologies and MaterialsDepartment of Analytical ChemistryFaculty of SciencePalacký University in Olomouc Olomouc Czech Republic
| | - Karel Lemr
- Regional Centre of Advanced Technologies and MaterialsDepartment of Analytical ChemistryFaculty of SciencePalacký University in Olomouc Olomouc Czech Republic
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17
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Extraction and purification of eicosapentaenoic acid and docosahexaenoic acid from microalgae: A critical review. ALGAL RES 2019. [DOI: 10.1016/j.algal.2019.101619] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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18
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Sun M, Turner C, Sandahl M. Signal enhancement in supercritical fluid chromatography-diode-array detection with multiple injection. J Sep Sci 2019; 42:3727-3737. [PMID: 31625267 PMCID: PMC6972688 DOI: 10.1002/jssc.201900614] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 09/25/2019] [Accepted: 10/10/2019] [Indexed: 11/18/2022]
Abstract
To circumvent the detrimental effects of large‐volume injection with fixed‐loop injector in modern supercritical fluid chromatography, the feasibility of performing multiple injection was investigated. By accumulating analytes from a certain number of continual small‐volume injections, compounds can be concentrated on the column head, and this leads to signal enhancement compared with a single injection. The signal to noise enhancement of different compounds appeared to be associated with their retention on different stationary phases and with type of sample diluent. The diethylamine column gave the best signal to noise enhancement when acetonitrile was used as sample diluent and the 2‐picolylamine column showed the best overall performance with water as the sample diluent. The advantage of multiple injection over one‐time large‐volume injection was proven with sulfanilamide, with both acetonitrile and water as sample diluents. The multiple injection approach exhibited comparable within‐ and between‐day precision of retention time and peak area with those of single injections. The potential of the multiple injection approach was demonstrated in the analysis of sulfanilamide‐spiked honey extract and diclofenac‐spiked ground water sample. The limitations of this approach were also discussed.
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Affiliation(s)
- Mingzhe Sun
- Department of ChemistryCentre for Analysis and SynthesisLund UniversityLundSweden
| | - Charlotta Turner
- Department of ChemistryCentre for Analysis and SynthesisLund UniversityLundSweden
| | - Margareta Sandahl
- Department of ChemistryCentre for Analysis and SynthesisLund UniversityLundSweden
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19
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Simultaneous separation of small interfering RNA and lipids using ion-pair reversed-phase liquid chromatography. J Chromatogr A 2019; 1601:145-154. [DOI: 10.1016/j.chroma.2019.04.061] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 04/20/2019] [Accepted: 04/22/2019] [Indexed: 11/23/2022]
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20
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Zoccali M, Donato P, Mondello L. Recent advances in the coupling of carbon dioxide-based extraction and separation techniques. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.04.028] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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21
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Liu LX, Zhang Y, Zhou Y, Li GH, Yang GJ, Feng XS. The Application of Supercritical Fluid Chromatography in Food Quality and Food Safety: An Overview. Crit Rev Anal Chem 2019; 50:136-160. [PMID: 30900462 DOI: 10.1080/10408347.2019.1586520] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Li-xia Liu
- School of Pharmacy, China Medical University, Shenyang, China
| | - Yuan Zhang
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yu Zhou
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Guo-hui Li
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Guang-jian Yang
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xue-song Feng
- School of Pharmacy, China Medical University, Shenyang, China
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22
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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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23
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Supercritical Fluid Chromatography × Ultra-High Pressure Liquid Chromatography for Red Chilli Pepper Fingerprinting by Photodiode Array, Quadrupole-Time-of-Flight and Ion Mobility Mass Spectrometry (SFC × RP-UHPLC-PDA-Q-ToF MS-IMS). FOOD ANAL METHOD 2018. [DOI: 10.1007/s12161-018-1307-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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24
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Donato P, Micalizzi G, Oteri M, Rigano F, Sciarrone D, Dugo P, Mondello L. Comprehensive lipid profiling in the Mediterranean mussel (Mytilus galloprovincialis) using hyphenated and multidimensional chromatography techniques coupled to mass spectrometry detection. Anal Bioanal Chem 2018; 410:3297-3313. [DOI: 10.1007/s00216-018-1045-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 03/20/2018] [Accepted: 03/23/2018] [Indexed: 01/09/2023]
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25
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Huang Y, Tang G, Zhang T, Fillet M, Crommen J, Jiang Z. Supercritical fluid chromatography in traditional Chinese medicine analysis. J Pharm Biomed Anal 2018; 147:65-80. [DOI: 10.1016/j.jpba.2017.08.021] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 08/17/2017] [Accepted: 08/17/2017] [Indexed: 02/08/2023]
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26
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Song S, Liu H, Bai Y. Supercritical Fluid Chromatography and Its Application in Lipid Isomer Separation. JOURNAL OF ANALYSIS AND TESTING 2017. [DOI: 10.1007/s41664-017-0031-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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27
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Wu W, Zhang Y, Wu H, Zhou W, Cheng Y, Li H, Zhang C, Li L, Huang Y, Zhang F. Simple, rapid, and environmentally friendly method for the separation of isoflavones using ultra-high performance supercritical fluid chromatography. J Sep Sci 2017; 40:2827-2837. [DOI: 10.1002/jssc.201601454] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Revised: 05/10/2017] [Accepted: 05/11/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Wenjie Wu
- Institute of Food Safety; Chinese Academy of Inspection and Quarantine; Beijing China
- School of Pharmacy; Hunan University of Chinese Medicine; Changsha Hunan China
| | - Yuan Zhang
- Institute of Food Safety; Chinese Academy of Inspection and Quarantine; Beijing China
- Department of Pharmacy, National Cancer Center/Cancer Hospital; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing China
| | - Hanqiu Wu
- Institute of Food Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Weie Zhou
- Institute of Food Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Yan Cheng
- Institute of Food Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Hongna Li
- Institute of Food Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Chuanbin Zhang
- Institute of Food Safety; Chinese Academy of Inspection and Quarantine; Beijing China
| | - Lulu Li
- School of Pharmacy; Hunan University of Chinese Medicine; Changsha Hunan China
| | - Ying Huang
- School of Pharmacy; Hunan University of Chinese Medicine; Changsha Hunan China
| | - Feng Zhang
- Institute of Food Safety; Chinese Academy of Inspection and Quarantine; Beijing China
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