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Wang H, Liu X, Tu M, Xu X, Yang S, Chen D. Current Sample Preparation Methods and Analytical Techniques for the Determination of Synthetic Antioxidants in Edible Oils. J Sep Sci 2022; 45:3874-3886. [PMID: 35984364 DOI: 10.1002/jssc.202200358] [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: 05/02/2022] [Revised: 08/14/2022] [Accepted: 08/15/2022] [Indexed: 11/08/2022]
Abstract
Synthetic antioxidants play a critical role in the storage and process of edible oil due to that they can retard lipid oxidation, maintain the quality of oils, and prolong the shelf life. However, a series of studies have proved the potential risks of synthetic antioxidants for human health when consumed in excess, and many countries have established the permitted amounts of synthetic antioxidants in oils. Thus, the accurate quantification of synthetic antioxidants in edible oils is necessary, and there have developed various analytical methods involved in chromatographical, electrochemical, and spectroscopic methods. Owing to the complex matrix and the incompatibility between the oil sample and the detection instrument, sample preparation is usually adopted prior to the instrument detection to improve the detection effectiveness. The current review aims to provide a comprehensive overview of the recently developed sample preparation methods and analytical techniques applied to determine synthetic antioxidants in edible oils from 2010 to present, with emphasis on the sample preparation methods combined with separation-based analytical techniques such CE and LC with various detectors. The advantages and limitations of some typical analytical methods are discussed and some insights in the future perspectives are also provided in this review. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Honglei Wang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Xueting Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Menglin Tu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Xia Xu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, Zhengzhou, 450001, China
| | - Sen Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, Zhengzhou, 450001, China
| | - Di Chen
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, Zhengzhou, 450001, China
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2
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Derazshamshir A, Göktürk I, Yılmaz F, Denizli A. S-citalopram imprinted monolithic columns for capillary electrochromatography enantioseparations. Electrophoresis 2021; 42:2672-2682. [PMID: 34406668 DOI: 10.1002/elps.202100222] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/01/2021] [Accepted: 08/16/2021] [Indexed: 11/08/2022]
Abstract
In this study, the molecular imprinting method was used to separate enantiomeric forms of chiral antidepressant drug, R,S-citalopram (R,S-CIT) in aqueous solution by CEC system combining the advantages of capillary electrophoresis (CE) and high-performance liquid chromatography (HPLC). For that, an amino acid-based molecularly imprinted monolithic capillary column was designed and used as a stationary phase for selective separation of S-citalopram (S-CIT) for the first time. S-CIT was selectively separated from the aqueous solution containing the other enantiomeric form of R-CIT, which is the same in size and shape as the template molecule. Morphology of the molecularly imprinted (MIP S-CIT) and non-imprinted (NIP S-CIT) monolithic capillary columns was observed by scanning electron microscopy. Imprinting efficiency of MIP S-CIT monolithic capillary column used for selective S-CIT separation was verified by comparing with NIP S-CIT and calculated imprinting factor (I.F:1.81) proved the high selectivity of the MIP S-CIT for S-CIT. Cavities formed for S-CIT form enabled selective (α = 2.08) separation of the target molecule from the other enantiomeric R-CIT form. Separation was achieved in a short period of 10 min, with the electrophoretic mobility of 7.68 × 10-6 m2 /Vs for R,S-CIT at pH 7.0 10 mM PB and 50% ACN ratio. The performance of both MIP S-CIT and NIP S-CIT columns was estimated by repeating the R,S-CIT separations with intra-batch and inter-batch studies for reproducibility of retention times of R,S-CITs. Estimated RSD values that are lower than 2% suggest that the monolithic columns separate R,S-CIT enantiomers without losing separation efficiency.
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Affiliation(s)
| | - Ilgım Göktürk
- Department of Chemistry, Hacettepe University, Ankara, Turkey
| | - Fatma Yılmaz
- Chemistry Technology Division, Bolu Abant Izzet Baysal University, Bolu, Turkey
| | - Adil Denizli
- Department of Chemistry, Hacettepe University, Ankara, Turkey
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3
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Hong T, Qiu L, Rui W, Li Y, Zheng R, Guo Q, Zhou S, Cui P, Sheng J, Ni X, Wang J, Jiang P. Capillary electrophoretic method for Staphylococcus aureus detection by using a novel antimicrobial peptide. Electrophoresis 2021; 42:1217-1220. [PMID: 33675051 DOI: 10.1002/elps.202000323] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 02/18/2021] [Accepted: 02/21/2021] [Indexed: 01/23/2023]
Abstract
A novel peptide containing antimicrobial sequence and gelatinase cleavage sites was designed for Staphylococcus aureus detection. Since Staphylococcus aureus could secrete gelatinase, the fluorescein labeled peptide GKRWWKWWRRPLGVRGC could be recognized and cleaved. The obtained products were able to be analyzed by capillary electrophoresis with fluorescence detection. To explore the effect of Staphylococcus aureus concentration on enzyme digestion ability of peptide, Staphylococcus aureus with different concentrations were incubated with the peptide. Results indicated that capillary electrophoretic method was efficient for determining Staphylococcus aureus content. Compared with traditional approaches for Staphylococcus aureus detection, capillary electrophoresis possessed higher efficiency, enhanced sensitivity, and low sample consumption. Moreover, the proposed peptide also presented desirable antimicrobial activity. It suggested that the novel antimicrobial peptide used in this research opens a new path of detecting Staphylococcus aureus by capillary electrophoretic method.
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Affiliation(s)
- Tingting Hong
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China
| | - Lin Qiu
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China.,Jiangsu Science Standard Medical Testing Co. Ltd, Changzhou, Jiangsu, P. R. China
| | - Wen Rui
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China
| | - Ying Li
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China
| | - Ronghui Zheng
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China
| | - Qianqian Guo
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China
| | - Shuwen Zhou
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China
| | - Pengfei Cui
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China.,Jiangsu Traumark Medical Instrument Co. Ltd., Changzhou, Jiangsu, P. R. China
| | - Jingyu Sheng
- Wujin Hospital, Affiliated with Jiangsu University, Changzhou, Jiangsu, P. R. China
| | - Xinye Ni
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou, Jiangsu, P. R. China
| | - Jianhao Wang
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China.,Changzhou Le Sun Pharmaceuticals Co. Ltd., Changzhou, Jiangsu, P. R. China
| | - Pengju Jiang
- School of Pharmacy, Changzhou University, Changzhou, Jiangsu, P. R. China
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de Koster N, Clark CP, Kohler I. Past, present, and future developments in enantioselective analysis using capillary electromigration techniques. Electrophoresis 2021; 42:38-57. [PMID: 32914880 PMCID: PMC7821218 DOI: 10.1002/elps.202000151] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 08/22/2020] [Accepted: 09/08/2020] [Indexed: 12/16/2022]
Abstract
Enantioseparation of chiral products has become increasingly important in a large diversity of academic and industrial applications. The separation of chiral compounds is inherently challenging and thus requires a suitable analytical technique that can achieve high resolution and sensitivity. In this context, CE has shown remarkable results so far. Chiral CE offers an orthogonal enantioselectivity and is typically considered less costly than chromatographic techniques, since only minute amounts of chiral selectors are needed. Several CE approaches have been developed for chiral analysis, including chiral EKC and chiral CEC. Enantioseparations by EKC benefit from the wide variety of possible pseudostationary phases that can be employed. Chiral CEC, on the other hand, combines chromatographic separation principles with the bulk fluid movement of CE, benefitting from reduced band broadening as compared to pressure-driven systems. Although UV detection is conventionally used for these approaches, MS can also be considered. CE-MS represents a promising alternative due to the increased sensitivity and selectivity, enabling the chiral analysis of complex samples. The potential contamination of the MS ion source in EKC-MS can be overcome using partial-filling and counter-migration techniques. However, chiral analysis using monolithic and open-tubular CEC-MS awaits additional method validation and a dedicated commercial interface. Further efforts in chiral CE are expected toward the improvement of existing techniques, the development of novel pseudostationary phases, and establishing the use of chiral ionic liquids, molecular imprinted polymers, and metal-organic frameworks. These developments will certainly foster the adoption of CE(-MS) as a well-established technique in routine chiral analysis.
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Affiliation(s)
- Nicky de Koster
- Leiden Academic Centre for Drug Research, Division of Systems Biomedicine and PharmacologyLeiden UniversityLeidenThe Netherlands
| | - Charles P. Clark
- Leiden Academic Centre for Drug Research, Division of Systems Biomedicine and PharmacologyLeiden UniversityLeidenThe Netherlands
| | - Isabelle Kohler
- Division of BioAnalytical Chemistry, Department of Chemistry and Pharmaceutical Sciences, Amsterdam Institute for Molecular and Life SciencesVrije Universiteit AmsterdamAmsterdamThe Netherlands
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Li Z, Mao Z, Zhou W, Chen Z. γ-Cyclodextrin metal-organic framework supported by polydopamine as stationary phases for electrochromatographic enantioseparation. Talanta 2020; 218:121160. [DOI: 10.1016/j.talanta.2020.121160] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 05/07/2020] [Accepted: 05/10/2020] [Indexed: 01/25/2023]
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Li Z, Mao Z, Hu C, Li Q, Chen Z. Fluoro-functionalized stationary phases for electrochromatographic separation of organic fluorides. J Chromatogr A 2020; 1625:461269. [PMID: 32709321 DOI: 10.1016/j.chroma.2020.461269] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/19/2020] [Accepted: 05/20/2020] [Indexed: 11/17/2022]
Abstract
Fluorous affinity means remarkably specific interaction between highly organic fluorides. This work aims to explore the potential of fluoro-functionalized stationary phase for the separation of organic fluorides by means of fluorous-fluorous interaction. Here, by using the Michael addition strategy between 1H,1H,2H,2H-perfluorodecanethiol (PFDT) and polydopamine (PD), a novel fluoro-functionalized stationary phase was synthesized for open-tubular capillary electrochromatography (OT-CEC). The PFDT@PD was characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and X-ray Photoelectron Spectrometer (XPS). The PFDT@PD@capillary exhibited outstanding separation performance towards neutral compounds (such as alkylbenzenes and chlorobenzenes) and organic fluorides (such as fluorobenzenes and perfluoroalkyl methacrylates etc.) with high resolution and high separation efficiency by hydrophobic interaction and fluorous-fluorous interaction. In addition, the column shows good stability and reproducibility. The relative standard deviations (RSDs) of the retention time for intra-day (n = 5) and inter-day (n = 3) runs and between columns (n = 3) are less than 0.39%, 1.22% and 3.87%, respectively. This novel type of fluoro-functionalized stationary phase represents a great application potential in organic fluorides separation field.
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Affiliation(s)
- Zhentao Li
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery Ministry of Education Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan University School of Pharmaceutical Sciences, Wuhan, 430071, China; State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Beijing 10080, China
| | - Zhenkun Mao
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery Ministry of Education Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan University School of Pharmaceutical Sciences, Wuhan, 430071, China
| | - Changjun Hu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery Ministry of Education Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan University School of Pharmaceutical Sciences, Wuhan, 430071, China
| | - Qiaoyan Li
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery Ministry of Education Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan University School of Pharmaceutical Sciences, Wuhan, 430071, China
| | - Zilin Chen
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery Ministry of Education Hubei Province Engineering and Technology Research Center for Fluorinated Pharmaceuticals, Wuhan University School of Pharmaceutical Sciences, Wuhan, 430071, China; State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Beijing 10080, China.
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Şarkaya K, Aşir S, Göktürk I, Ektirici S, Yilmaz F, Yavuz H, Denizli A. Separation of histidine enantiomers by capillary electrochromatography with molecularly imprinted monolithic columns. SEPARATION SCIENCE PLUS 2020. [DOI: 10.1002/sscp.201900101] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Koray Şarkaya
- Department of ChemistryHacettepe University Ankara Turkey
| | - Süleyman Aşir
- Department of Materials Science and Nanotechnology EngineeringNear East University Mersin Turkey
| | - Ilgım Göktürk
- Department of ChemistryHacettepe University Ankara Turkey
| | - Sisem Ektirici
- Department of ChemistryHacettepe University Ankara Turkey
| | - Fatma Yilmaz
- Department of Chemistry TechnolgyBolu Abant İzzet Baysal University Bolu Turkey
| | - Handan Yavuz
- Department of ChemistryHacettepe University Ankara Turkey
| | - Adil Denizli
- Department of ChemistryHacettepe University Ankara Turkey
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8
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Fan S, Guan J, Yan F, Zhang D, Shi S, Wang S. Preparation of open‐tubular CEC column bonded with 6‐O‐monotosyl‐deoxy‐β‐cyclodextrin and its application in the enantioseparation of several related benzimidazoles. SEPARATION SCIENCE PLUS 2020. [DOI: 10.1002/sscp.202000014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Shitong Fan
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Jin Guan
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Feng Yan
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Dongxiang Zhang
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Shuang Shi
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
| | - Silin Wang
- School of Applied ChemistryShenyang University of Chemical Technology Shenyang P. R. China
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9
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Şarkaya K, Aşir S, Göktürk I, Yilmaz F, Yavuz H, Denizli A. Electrochromatographic separation of hydrophobic amino acid enantiomers by molecularly imprinted capillary columns. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.02.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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10
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Incorporation of homochiral metal-organic cage into ionic liquid based monolithic column for capillary electrochromatography. Anal Chim Acta 2020; 1094:160-167. [DOI: 10.1016/j.aca.2019.10.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 10/01/2019] [Accepted: 10/06/2019] [Indexed: 01/06/2023]
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11
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Derazshamshir A, Aşır S, Göktürk I, Ektirici S, Yılmaz F, Denizli A. Polymethacryloyl-L-Phenylalanine [PMAPA]-Based Monolithic Column for Capillary Electrochromatography. J Chromatogr Sci 2019; 57:758-765. [DOI: 10.1093/chromsci/bmz047] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 04/23/2019] [Indexed: 11/13/2022]
Abstract
Abstract
The ability to detect catecholamines (CAs) and their metabolites is vital to understand the mechanism behind the neuronal diseases. Neurochemistry aims to provide an improved pharmacological, molecular and physiological understanding of complex brain chemistries by analytical techniques. Capillary electrophoresis (CE) is one such analytical technique that enables the study of various chemical species ranging from amino acids and peptides to natural products and drugs. CE can easily adapt the changes in research focus and in recent years remains an applicable technique for investigating neuroscience and single cell neurobiology. The prepared phenylalanine-based hydrophobic monolithic column, Polymethacryloyl-L-phenylalanine [PMAPA], was used as a stationary phase in capillary electrochromatography to separate CAs that are similar in size and shape to each other including dopamine (DA) and norepinephrine (NE) via hydrophobic interactions. Separation carried out in a short period of 17 min was performed with the electrophoretic mobility of 5.54 × 10−6 m2 V−1 s−1 and 7.60 × 10−6 m2 V−1 s−1 for DA and NE, respectively, at pH 7.0, 65% acetonitrile ratio with 100 mbar applied pressure by the developed hydrophobic monolithic column without needing any extra process such as imprinting or spacer arms to immobilize ligands used in separation.
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Affiliation(s)
- Ali Derazshamshir
- Department of Chemistry, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Süleyman Aşır
- Department of Materials Science and Nanotechnology Engineering, Near East University, 99138, Nicosia, North Cyprus, Mersin 10, Turkey
| | - Ilgım Göktürk
- Department of Chemistry, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Sisem Ektirici
- Department of Chemistry, Hacettepe University, Beytepe, 06800, Ankara, Turkey
| | - Fatma Yılmaz
- Chemistry Technology Division, Abant Izzet Baysal University, 14900, Bolu, Turkey
| | - Adil Denizli
- Department of Chemistry, Hacettepe University, Beytepe, 06800, Ankara, Turkey
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Li Z, Mao Z, Chen Z. Polydopamine-assisted immobilization of a zinc(II)-derived metal-organic cage as a stationary phase for open-tubular capillary electrochromatography. Mikrochim Acta 2019; 186:449. [DOI: 10.1007/s00604-019-3576-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 06/02/2019] [Indexed: 12/13/2022]
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13
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Li Y, Tang Y, Qin S, Li X, Dai Q, Gao L. Preparation and characterization of a new open‐tubular capillary column for enantioseparation by capillary electrochromatography. Chirality 2019; 31:283-292. [DOI: 10.1002/chir.23053] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Revised: 12/05/2018] [Accepted: 12/30/2018] [Indexed: 01/14/2023]
Affiliation(s)
- Yingjie Li
- College of Chemistry and Chemical EngineeringQiqihar University Qiqihar PR China
| | - Yimin Tang
- College of Chemistry and Chemical EngineeringQiqihar University Qiqihar PR China
| | - Shili Qin
- College of Chemistry and Chemical EngineeringQiqihar University Qiqihar PR China
| | - Xue Li
- College of Chemistry and Chemical EngineeringQiqihar University Qiqihar PR China
| | - Qiang Dai
- College of Chemistry and Chemical EngineeringQiqihar University Qiqihar PR China
| | - Lidi Gao
- College of Chemistry and Chemical EngineeringQiqihar University Qiqihar PR China
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Li Z, Mao Z, Chen Z. In-situ growth of a metal organic framework composed of zinc(II), adeninate and biphenyldicarboxylate as a stationary phase for open-tubular capillary electrochromatography. Mikrochim Acta 2019; 186:53. [DOI: 10.1007/s00604-018-3115-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Accepted: 11/25/2018] [Indexed: 11/29/2022]
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15
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D' Orazio G, Asensio-Ramos M, Fanali C. Enantiomers separation by capillary electrochromatography using polysaccharide-based stationary phases. J Sep Sci 2018; 42:360-384. [PMID: 30198206 DOI: 10.1002/jssc.201800798] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 09/03/2018] [Accepted: 09/03/2018] [Indexed: 01/16/2023]
Abstract
The separation of chiral compounds is an interesting and important topic of research because these compounds are involved in some biological processes, fundamentally in human health. Among the various application fields where enantiomers are remarkable, drug analysis has to be considered. Most of the drugs contain enantiomers and very often one of the two isomers could be pharmacologically more active or even dangerous. Therefore, the separation of these compounds is very important. Among the different analytical techniques usually employed, capillary electrochromatography has demonstrated great capability in enantiomers resolution. The great potential of this electromigration technique stands mainly in its high efficiency due to the use of an electrosmotic flow (flat flow profile) and on the high selectivity because of the use of a stationary phase. Chiral separation can be obtained utilizing several chiral stationary phases including a polysaccharide derivative. The aim of this review paper is to summarize the main features of capillary electrochromatography and polysaccharide derivatives of chiral stationary phase. It also report examples of practical applications utilizing this approach.
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Affiliation(s)
- Giovanni D' Orazio
- Institute of Chemical Methodologies, Italian National Research Council (C.N.R.), Monterotondo, Italy
| | - María Asensio-Ramos
- Instituto Volcanológico de Canarias (INVOLCAN), Puerto de la Cruz, Tenerife, Spain
| | - Chiara Fanali
- Department of Medicine, University Campus Bio-Medico of Rome, Rome, Italy
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16
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Separation of rotamers of 5-nitrosopyrimidines and estimation of binding constants of their complexes with β-cyclodextrin by capillary electrophoresis. J Chromatogr A 2018; 1570:164-171. [DOI: 10.1016/j.chroma.2018.07.083] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 07/25/2018] [Accepted: 07/29/2018] [Indexed: 12/12/2022]
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17
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Qian HL, Yang CX, Wang WL, Yang C, Yan XP. Advances in covalent organic frameworks in separation science. J Chromatogr A 2018; 1542:1-18. [PMID: 29496190 DOI: 10.1016/j.chroma.2018.02.023] [Citation(s) in RCA: 167] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 02/06/2018] [Accepted: 02/12/2018] [Indexed: 10/18/2022]
Abstract
Covalent organic frameworks (COFs) are a new class of multifunctional crystalline organic polymer constructed with organic monomers via robust covalent bonds. The unique properties such as convenient modification, low densities, large specific surface areas, good stability and permanent porosity make COFs great potential in separation science. This review shows the state-of-the art for the application of COFs and their composites in analytical separation science. COFs and their composites have been explored as promising sorbents for solid phase extraction, potential coatings for solid phase microextraction, and novel stationary phases for gas chromatography, high-performance liquid chromatography and capillary electrochromatography. The prospects of COFs for separation science are also presented, which can offer an outlook and reference for further study on the applications of COFs.
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Affiliation(s)
- Hai-Long Qian
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Cheng-Xiong Yang
- College of Chemistry, Research Center for Analytical Sciences, Tianjin Key Laboratory of Molecular Recognition and Biosensing, Nankai University, Tianjin 300071, China
| | - Wen-Long Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Cheng Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xiu-Ping Yan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China.
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18
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In situ immobilization of layered double hydroxides as stationary phase for capillary electrochromatography. J Chromatogr A 2017; 1530:219-225. [DOI: 10.1016/j.chroma.2017.11.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 11/05/2017] [Accepted: 11/12/2017] [Indexed: 11/19/2022]
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19
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Aşır S, Sarı D, Derazshamshir A, Yılmaz F, Şarkaya K, Denizli A. Dopamine-imprinted monolithic column for capillary electrochromatography. Electrophoresis 2017; 38:3003-3012. [DOI: 10.1002/elps.201700228] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/20/2017] [Accepted: 07/25/2017] [Indexed: 01/27/2023]
Affiliation(s)
- Süleyman Aşır
- Department of Materials Science and Nanotechnology Engineering; Near East University; Mersin Turkey
| | - Duygu Sarı
- Department of Chemistry; Hacettepe University; Ankara Turkey
| | | | - Fatma Yılmaz
- Chemistry Technology Division; Abant Izzet Baysal University; Bolu Turkey
| | - Koray Şarkaya
- Department of Chemistry; Hacettepe University; Ankara Turkey
| | - Adil Denizli
- Department of Chemistry; Hacettepe University; Ankara Turkey
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20
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González-Curbelo MÁ, Varela-Martínez DA, Socas-Rodríguez B, Hernández-Borges J. Recent applications of nanomaterials in capillary electrophoresis. Electrophoresis 2017; 38:2431-2446. [DOI: 10.1002/elps.201700178] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2017] [Revised: 06/09/2017] [Accepted: 06/26/2017] [Indexed: 12/29/2022]
Affiliation(s)
| | - Diana Angélica Varela-Martínez
- Departamento de Ciencias Básicas, Facultad de Ingeniería; Universidad EAN; Bogotá D.C. Colombia
- Departamento de Química, Unidad Departamental de Química Analítica, Facultad de Ciencias; Universidad de La Laguna (ULL); San Cristóbal de La Laguna España
| | - Bárbara Socas-Rodríguez
- Departamento de Química, Unidad Departamental de Química Analítica, Facultad de Ciencias; Universidad de La Laguna (ULL); San Cristóbal de La Laguna España
| | - Javier Hernández-Borges
- Departamento de Química, Unidad Departamental de Química Analítica, Facultad de Ciencias; Universidad de La Laguna (ULL); San Cristóbal de La Laguna España
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21
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Liu Y, Wang X. Enantioseparation of ofloxacin and its four related substances with ligand exchange-micellar electrokinetic chromatography using copper(II)-L-isoleucine complex as chiral selector. Chirality 2017; 29:422-429. [PMID: 28560736 DOI: 10.1002/chir.22705] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 03/06/2017] [Accepted: 03/19/2017] [Indexed: 01/25/2023]
Abstract
A ligand-exchange micellar electrokinetic capillary electrophoresis system with copper(II)-L-isoleucine complexes as the chiral selector incorporated in micelles of sodium dodecyl sulfate (SDS) was developed for the enantioseparation of ofloxacin and its four related substances (impurities A, C, E, and F). The effects of important parameters affecting separation such as buffer pH, SDS concentration, chiral selector concentration, and organic additive were investigated in detail. Under optimum experimental conditions, enantioseparation of ofloxacin, impurities A, C, E, and F enantiomers was accomplished with resolutions of 4.28, 2.83, 3.40, 3.58, and 2.46, respectively. Further, simultaneous separation of impurities A, C, E, and F enantiomers was achieved using 10 mmol/L NH4 OAc as the running buffer containing 4 mmol/L copper sulfate,20 mmol/L L-isoleucine, 20 mmol/L SDS, and 5% methanol at pH 8.5. To the best of our knowledge, the simultaneous enantioseparation of four impurities of ofloxacin has not been reported previously.
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Affiliation(s)
- Yongjing Liu
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian Province, P.R. China
| | - Xiaoying Wang
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian Province, P.R. China
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22
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Fang LL, Wang P, Wen XL, Guo X, Luo LD, Yu J, Guo XJ. Layer-by-layer self-assembly of gold nanoparticles/thiols β-cyclodextrin coating as the stationary phase for enhanced chiral differentiation in open tubular capillary electrochromatography. Talanta 2017; 167:158-165. [DOI: 10.1016/j.talanta.2017.01.082] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 01/21/2017] [Accepted: 01/29/2017] [Indexed: 10/20/2022]
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23
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Preparation of graphene oxide-modified affinity capillary monoliths based on three types of amino donor for chiral separation and proteolysis. J Chromatogr A 2016; 1456:249-56. [DOI: 10.1016/j.chroma.2016.06.025] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 05/16/2016] [Accepted: 06/07/2016] [Indexed: 12/14/2022]
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24
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Sánchez-López E, Marcos A, Ambrosio E, Marina ML, Crego AL. Enantioseparation of the constituents involved in the phenylalanine-tyrosine metabolic pathway by capillary electrophoresis tandem mass spectrometry. J Chromatogr A 2016; 1467:372-382. [PMID: 27371023 DOI: 10.1016/j.chroma.2016.06.053] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 06/10/2016] [Accepted: 06/16/2016] [Indexed: 02/07/2023]
Abstract
Catecholamines dopamine, norepinephrine, and epinephrine are well-known neurotransmitters playing different roles in the nervous and endocrine system. These compounds are biologically synthesized in the phenylalanine-tyrosine pathway which consists on the successive conversion of l-phenylalanine into l-tyrosine, l-3,4-dihydroxyphenylalanine (L-DOPA), dopamine, norepinephrine, and epinephrine. This work describes the development of an enantioselective CE-ESI-MS2 methodology enabling, for the first time, the simultaneous enantioseparation of all the constituents involved in the Phe-Tyr metabolic pathway, since all these compounds except dopamine are chiral. The developed method was based on the use of a dual CDs system formed by 180mM of methyl-β-CD and 40mM of 2-hydroxypropyl-β-CD dissolved in 2M formic acid (pH 1.2) and presented the advantage of avoiding the use of any time-consuming labelling procedure. LODs ranged from 40 to 150nM and the unequivocal identification of the compounds investigated was achieved through their MS2 spectra. The applicability of this methodology to the analysis of biological samples (rat plasma) was also demonstrated.
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Affiliation(s)
- Elena Sánchez-López
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona, Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain
| | - Alberto Marcos
- Departamento de Psicobiología, UNED, Juan del Rosal 10, Ciudad Universitaria, 28040 Madrid, Spain
| | - Emilio Ambrosio
- Departamento de Psicobiología, UNED, Juan del Rosal 10, Ciudad Universitaria, 28040 Madrid, Spain
| | - María Luisa Marina
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona, Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain
| | - Antonio L Crego
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Ctra. Madrid-Barcelona, Km. 33.600, 28871 Alcalá de Henares, Madrid, Spain.
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25
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Declerck S, Vander Heyden Y, Mangelings D. Enantioseparations of pharmaceuticals with capillary electrochromatography: A review. J Pharm Biomed Anal 2016; 130:81-99. [PMID: 27156645 DOI: 10.1016/j.jpba.2016.04.024] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 04/13/2016] [Accepted: 04/17/2016] [Indexed: 11/19/2022]
Abstract
The chiral separation of pharmaceuticals is one of the major research topics in the pharmaceutical industry. Chromatographic techniques are most frequently used in this context. Separations in capillary electrochromatography (CEC) are an alternative and achieved by chromatographic retention and electrophoretic mobility principles. As a result, CEC is characterized by a high selectivity and efficiency. The limited number of stationary phases specifically developed for CEC, the low number of commercially available CEC columns, the frits to maintain the stationary phase, which forms fragile spots in the columns, and the limited column robustness and reproducibility, make CEC not very attractive for industrial application. However, CEC is still applied and studied in the academic field. This review discusses the enantioseparation of drugs in CEC published during the last four years, with a critical view on the reproducibility and the practical utility of these applications.
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Affiliation(s)
- Sven Declerck
- Department of Analytical Chemistry and Pharmaceutical Technology (FABI), Center for Pharmaceutical Research (CePhaR), Vrije Universiteit Brussel-VUB, Laarbeeklaan 103, B-1090 Brussels, Belgium.
| | - Yvan Vander Heyden
- Department of Analytical Chemistry and Pharmaceutical Technology (FABI), Center for Pharmaceutical Research (CePhaR), Vrije Universiteit Brussel-VUB, Laarbeeklaan 103, B-1090 Brussels, Belgium.
| | - Debby Mangelings
- Department of Analytical Chemistry and Pharmaceutical Technology (FABI), Center for Pharmaceutical Research (CePhaR), Vrije Universiteit Brussel-VUB, Laarbeeklaan 103, B-1090 Brussels, Belgium.
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26
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Bao JJ, Jia F, Li Y, Liang Q, Wang Y. Synthesis and applications of sulfopropyl ether γ-cyclodextrin polymer as chiral selector in capillary electrophoresis. Anal Bioanal Chem 2016; 408:3639-49. [PMID: 26993309 DOI: 10.1007/s00216-016-9452-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 02/14/2016] [Accepted: 02/25/2016] [Indexed: 12/26/2022]
Abstract
A novel sulfopropyl ether γ-cyclodextrin polymer (SPE-γ-CDP) through polycondensating sulfated cyclodextrins (SCDs) was synthesized. This synthesis approach also has the potential of preparing other derived cyclodextrins (CDs) polymers. The polymerized SCDs took on both the properties of SCDs and certain characteristics of polymers, such as chiral selectivity and high viscosity. Synthesis parameters, including reactions sequence, sulfation, and polycondensation conditions were investigated systematically. The product was characterized by elemental analysis, infrared spectroscopy (IR), and indirect UV detections prior to use as background electrolytes additive. The separation conditions, including the concentration of SPE-γ-CDP, the concentration and pH of running buffer, separation voltage, as well as the additional organic solution were optimized during chiral separation of neutral, acidic, and basic enantiomers in capillary electrophoresis (CE). SPE-γ-CDP was proven to be an effective chiral resolving agent in CE with the advantages of simple synthesis process, low cost, similar ratio of charge-to-mass, low current, great reproducibility, and reusability. Graphical Abstract Synthesis and applications of sulfopropyl ether γ-cyclodextrin polymer.
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Affiliation(s)
- James J Bao
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, Collaborative Innovation Center of Chemical Science and Engineering, School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, 300072, China
| | - Feifei Jia
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, Collaborative Innovation Center of Chemical Science and Engineering, School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, 300072, China
| | - Youxin Li
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, Collaborative Innovation Center of Chemical Science and Engineering, School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, 300072, China.
| | - Qinggang Liang
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, Collaborative Innovation Center of Chemical Science and Engineering, School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, 300072, China
| | - Yan Wang
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, Collaborative Innovation Center of Chemical Science and Engineering, School of Pharmaceutical Science and Technology, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, 300072, China
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27
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Niu X, Ding S, Wang W, Xu Y, Xu Y, Chen H, Chen X. Separation of small organic molecules using covalent organic frameworks-LZU1 as stationary phase by open-tubular capillary electrochromatography. J Chromatogr A 2016; 1436:109-17. [PMID: 26858115 DOI: 10.1016/j.chroma.2016.01.066] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 01/20/2016] [Accepted: 01/24/2016] [Indexed: 11/18/2022]
Abstract
Covalent organic frameworks (COFs) have attracted much attention because of their permanent nanoscale porosity and higher surface area compared to zeolites as well as robustness. COFs have great potential in several fields such as hydrogen storage, gas separation, and catalysis. However, COFs have not yet been applied in capillary electrochromatography. Herein, covalent organic frameworks-LZU1 (COF-LZU1) was used as the stationary phase in open-tubular capillary electrochromatography for the first time. Compared to the monoliths used in electrochromatography, the preparation technique of a COF-LZU1-coated capillary was simple and practical. The baseline separation of model analytes including alkylbenzenes, polyaromatic hydrocarbons, and anilines by the COF-LZU1-coated capillary was achieved based on the size selectivity of COF-LZU1 porous structure and hydrophobic interactions between the model analytes and organic ligands of COF-LZU1. The load capacity of the COF-LZU1-coated capillary for naphthalene was 0.6mg/mL. For three consecutive runs, the intraday relative standard deviations (RSDs) were 1.4-2.6% for the migration time and 2.7-8.7% for the peak area. The interday RSDs were 1.3-3.9% for the migration time and 3.7-9.7% for the peak area. The column-to-column reproducibility of migration time was in the range 1.0-3.9%. Moreover, the coated capillary was used for >300 runs with no changes in the separation efficiency. Thus, COFs have great potential in capillary electrochromatography and may provide a new method for chromatographic separation.
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Affiliation(s)
- Xiaoying Niu
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Sanyuan Ding
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Weifeng Wang
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Yali Xu
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Yinyin Xu
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Hongli Chen
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Xingguo Chen
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou, Gansu 730000, China; State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, China.
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28
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Fang L, Yu J, Jiang Z, Guo X. Preparation of a β-Cyclodextrin-Based Open-Tubular Capillary Electrochromatography Column and Application for Enantioseparations of Ten Basic Drugs. PLoS One 2016; 11:e0146292. [PMID: 26771454 PMCID: PMC4714747 DOI: 10.1371/journal.pone.0146292] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 12/14/2015] [Indexed: 01/25/2023] Open
Abstract
An open-tubular capillary electrochromatography column was prepared by chemically immobilized β-cyclodextrin modified gold nanoparticles onto new surface with the prederivatization of (3-mercaptopropyl)-trimethoxysilane. The synthesized nanoparticles and the prepared column were characterized by transmission electron microscopy, scanning electron microscopy, infrared spectroscopy and ultraviolet visible spectroscopy. When the column was employed as the chiral stationary phase, no enantioselectivity was observed for ten model basic drugs. So β-cyclodextrin was added to the background electrolyte as chiral additive to expect a possible synergistic effect occurring and resulting in a better separation. Fortunately, significant improvement in enantioselectivity was obtained for ten pairs of drug enantiomers. Then, the effects of β-cyclodextrin concentration and background electrolyte pH on the chiral separation were investigated. With the developed separation mode, all the enantiomers (except for venlafaxine) were baseline separated in resolutions of 4.49, 1.68, 1.88, 1.57, 2.52, 2.33, 3.24, 1.63 and 3.90 for zopiclone, chlorphenamine maleate, brompheniramine maleate, dioxopromethazine hydrochloride, carvedilol, homatropine hydrobromide, homatropine methylbromide, venlafaxine, sibutramine hydrochloride and terbutaline sulfate, respectively. Further, the possible separation mechanism involved was discussed.
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Affiliation(s)
- Linlin Fang
- Department of Pharmaceutical Analysis, School of Pharmacy, Shenyang Pharmaceutical University, Ministry of Education, Shenyang, Liaoning Province, P. R. China
| | - Jia Yu
- Department of Pharmaceutical Analysis, School of Pharmacy, Shenyang Pharmaceutical University, Ministry of Education, Shenyang, Liaoning Province, P. R. China
| | - Zhen Jiang
- Department of Pharmaceutical Analysis, School of Pharmacy, Shenyang Pharmaceutical University, Ministry of Education, Shenyang, Liaoning Province, P. R. China
| | - Xingjie Guo
- Department of Pharmaceutical Analysis, School of Pharmacy, Shenyang Pharmaceutical University, Ministry of Education, Shenyang, Liaoning Province, P. R. China
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29
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Zhang Q, Gil V, Sánchez-López E, García MÁ, Jiang Z, Marina ML. Evaluation of the potential of a quinidine-based monolithic column on the enantiomeric separation of herbicides by nano-liquid chromatography. Microchem J 2015. [DOI: 10.1016/j.microc.2015.05.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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30
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Aşır S, Derazshamshir A, Yılmaz F, Denizli A. Triazine herbicide imprinted monolithic column for capillary electrochromatography. Electrophoresis 2015; 36:2888-95. [PMID: 26250449 DOI: 10.1002/elps.201500232] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 07/22/2015] [Accepted: 07/23/2015] [Indexed: 11/09/2022]
Abstract
Trietazine was selectively separated from aqueous solution containing the competitor molecule cyanazine, which is similar in size and shape to the template molecule. Structural features of the molecularly imprinted column were figured out by SEM. The influence of the mobile-phase composition, applied electrical field, and pH of the mobile phase on the recognition of trietazine by the imprinted monolithic polymer has been evaluated, and the imprint effect in the trietazine-imprinted monolithic polymer was demonstrated by an imprinting factor. The optimized monolithic column resulted in separation of trietazine from a structurally related competitor molecule, cyanazine. In addition, fast separation was obtained within 6 min by applying higher electrical field, with the electrophoretic mobility of 2.97 × 10(-8) m(2) V(-1) s(-1) at pH 11.0.
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Affiliation(s)
- Süleyman Aşır
- Middle East Technical University, Northern Cyprus Campus, Mersin, Northern Cyprus, Turkey
| | | | - Fatma Yılmaz
- Chemistry Technology Division, Abant Izzet Baysal University, Bolu, Turkey
| | - Adil Denizli
- Department of Chemistry, Hacettepe University, Ankara, Turkey
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31
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Suliman FO, Elbashir AA, Schmitz OJ. Study on the separation of ofloxacin enantiomers by hydroxyl-propyl-β-cyclodextrin as a chiral selector in capillary electrophoresis: a computational approach. J INCL PHENOM MACRO 2015. [DOI: 10.1007/s10847-015-0547-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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32
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Pédehontaa-Hiaa G, Guerrouache M, Carbonnier B, Le Derf F, Morin CJ. Layer-by-Layer Assemblies Based on a Cationic β-Cyclodextrin Polymer: Chiral Stationary Phases for Open-Tubular Electrochromatography. Chromatographia 2015. [DOI: 10.1007/s10337-015-2851-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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33
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Growth of metal–organic framework HKUST-1 in capillary using liquid-phase epitaxy for open-tubular capillary electrochromatography and capillary liquid chromatography. J Chromatogr A 2015; 1381:239-46. [DOI: 10.1016/j.chroma.2015.01.005] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Revised: 01/01/2015] [Accepted: 01/05/2015] [Indexed: 01/06/2023]
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34
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Tiwari MP, Prasad A. Molecularly imprinted polymer based enantioselective sensing devices: A review. Anal Chim Acta 2015; 853:1-18. [DOI: 10.1016/j.aca.2014.06.011] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 06/08/2014] [Accepted: 06/09/2014] [Indexed: 11/28/2022]
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35
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Nowak P, Garnysz M, Mitoraj MP, Sagan F, Woźniakiewicz M, Kościelniak P. Analytical aspects of achiral and cyclodextrin-mediated capillary electrophoresis of warfarin and its two main derivatives assisted by theoretical modeling. J Chromatogr A 2015; 1377:106-13. [DOI: 10.1016/j.chroma.2014.12.030] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Revised: 12/07/2014] [Accepted: 12/09/2014] [Indexed: 11/27/2022]
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36
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Whitcombe MJ, Kirsch N, Nicholls IA. Molecular imprinting science and technology: a survey of the literature for the years 2004-2011. J Mol Recognit 2014; 27:297-401. [PMID: 24700625 DOI: 10.1002/jmr.2347] [Citation(s) in RCA: 275] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 10/28/2013] [Accepted: 12/01/2013] [Indexed: 12/11/2022]
Abstract
Herein, we present a survey of the literature covering the development of molecular imprinting science and technology over the years 2004-2011. In total, 3779 references to the original papers, reviews, edited volumes and monographs from this period are included, along with recently identified uncited materials from prior to 2004, which were omitted in the first instalment of this series covering the years 1930-2003. In the presentation of the assembled references, a section presenting reviews and monographs covering the area is followed by sections describing fundamental aspects of molecular imprinting including the development of novel polymer formats. Thereafter, literature describing efforts to apply these polymeric materials to a range of application areas is presented. Current trends and areas of rapid development are discussed.
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37
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Fei ZX, Zhang M, Xie SM, Yuan LM. Capillary electrochromatographic fast enantioseparation based on a chiral metal-organic framework. Electrophoresis 2014; 35:3541-8. [PMID: 25223618 DOI: 10.1002/elps.201400227] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2014] [Revised: 09/01/2014] [Accepted: 09/01/2014] [Indexed: 11/09/2022]
Abstract
Metal-organic frameworks (MOFs) have received great attention because of their unusual properties and fascinating structures in separation sciences. However, to the best of our knowledge, there has been no attempt to utilize chiral MOFs as stationary phases in packed-CEC. Here, a chiral MOF [In3 O(obb)3 (HCO2 )(H2 O)]·solvent (4,4'-oxybisbenzoic acid) was explored as the chiral stationary phase in packed-CEC for separation of chiral compounds and isomers. The fabricated [In3 O(obb)3 (HCO2 )(H2 O)]·solvent packed capillary columns gave fast enantioseparation of (±)-hydrobenzoin, (±)-1-phenyl-1,2-ethanediol, and clenbuterol within 3 min in CEC. Besides, the baseline separations of nitrophenol isomers within 6 min were also achieved. The RSDs for the retention time of run-to-run, day-to-day, and column-to-column reproducibility were 1.51-3.63, 1.83-3.98, and 3.42-5.66%, respectively. These results demonstrate that chiral MOFs are promising for enantioseparation in CEC.
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Affiliation(s)
- Zhi-Xin Fei
- Department of Chemistry, Yunnan Normal University, Kunming, P. R. China
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38
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Ma Y, Zhang H, Chen H, Chen X. Recent developments in chiral analysis of β-blocker drugs by capillary electromigration techniques. Electrophoresis 2014; 35:3345-54. [DOI: 10.1002/elps.201400363] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Revised: 08/23/2014] [Accepted: 08/24/2014] [Indexed: 02/06/2023]
Affiliation(s)
- Yanhua Ma
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou P. R. China
- Department of Chemistry; Lanzhou University; Lanzhou P. R. China
| | - Huige Zhang
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou P. R. China
- Department of Chemistry; Lanzhou University; Lanzhou P. R. China
| | - Hongli Chen
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou P. R. China
- Department of Chemistry; Lanzhou University; Lanzhou P. R. China
| | - Xingguo Chen
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou P. R. China
- Department of Chemistry; Lanzhou University; Lanzhou P. R. China
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province; Lanzhou P. R. China
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39
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Zuo L, Zhao Y, Ji F, Zhao M, Jiang Z, Sun T, Guo X. Determination of the enantiomeric and diastereomeric impurities ofRS-glycopyrrolate by capillary electrophoresis using sulfated-β-cyclodextrin as chiral selectors. Electrophoresis 2014; 35:3339-44. [DOI: 10.1002/elps.201400170] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 07/31/2014] [Accepted: 08/01/2014] [Indexed: 01/05/2023]
Affiliation(s)
- Lihua Zuo
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang Liaoning Province P. R. China
| | - Yunfeng Zhao
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang Liaoning Province P. R. China
| | - Fenfen Ji
- Department of Chemistry; Hong Kong Baptist University; Hong Kong P. R. China
| | - Min Zhao
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang Liaoning Province P. R. China
| | - Zhen Jiang
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang Liaoning Province P. R. China
| | - Tiemin Sun
- Key Laboratory of Structure-Based Drug Design and Discovery; Shenyang Pharmaceutical University; Ministry of Education; Shenyang Liaoning Province P. R. China
| | - Xingjie Guo
- School of Pharmacy; Shenyang Pharmaceutical University; Shenyang Liaoning Province P. R. China
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40
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Effect of content of chiral selector and pore size of core–shell type silica support on the performance of amylose tris(3,5-dimethylphenylcarbamate)-based chiral stationary phases in nano-liquid chromatography and capillary electrochromatography. J Chromatogr A 2014; 1363:363-71. [DOI: 10.1016/j.chroma.2014.05.029] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 05/06/2014] [Accepted: 05/11/2014] [Indexed: 11/19/2022]
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41
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Hong T, Chi C, Ji Y. Pepsin-modified chiral monolithic column for affinity capillary electrochromatography. J Sep Sci 2014; 37:3377-83. [DOI: 10.1002/jssc.201400424] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2014] [Revised: 08/10/2014] [Accepted: 08/10/2014] [Indexed: 01/31/2023]
Affiliation(s)
- Tingting Hong
- Department of Analytical Chemistry; China Pharmaceutical University; Nanjing China
- Key Laboratory of Drug Quality Control and Pharmacovigilance; Ministry of Education; Nanjing China
| | - Cuijie Chi
- Department of Analytical Chemistry; China Pharmaceutical University; Nanjing China
- Key Laboratory of Drug Quality Control and Pharmacovigilance; Ministry of Education; Nanjing China
| | - Yibing Ji
- Department of Analytical Chemistry; China Pharmaceutical University; Nanjing China
- Key Laboratory of Drug Quality Control and Pharmacovigilance; Ministry of Education; Nanjing China
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42
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Nowak P, Garnysz M, Woźniakiewicz M, Kościelniak P. Fast separation of warfarin and 7-hydroxywarfarin enantiomers by cyclodextrin-assisted capillary electrophoresis. J Sep Sci 2014; 37:2625-31. [DOI: 10.1002/jssc.201400514] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 06/13/2014] [Accepted: 06/13/2014] [Indexed: 01/01/2023]
Affiliation(s)
- Paweł Nowak
- Department of Analytical Chemistry; Faculty of Chemistry; Jagiellonian University in Kraków; Kraków Poland
| | - Magdalena Garnysz
- Department of Analytical Chemistry; Faculty of Chemistry; Jagiellonian University in Kraków; Kraków Poland
| | - Michał Woźniakiewicz
- Department of Analytical Chemistry; Faculty of Chemistry; Jagiellonian University in Kraków; Kraków Poland
| | - Paweł Kościelniak
- Department of Analytical Chemistry; Faculty of Chemistry; Jagiellonian University in Kraków; Kraków Poland
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43
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Mu X, Qi L, Qiao J, Yang X, Ma H. Enantioseparation of dansyl amino acids and dipeptides by chiral ligand exchange capillary electrophoresis based on Zn(II)-L-hydroxyproline complexes coordinating with γ-cyclodextrins. Anal Chim Acta 2014; 846:68-74. [PMID: 25220143 DOI: 10.1016/j.aca.2014.07.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 07/08/2014] [Accepted: 07/12/2014] [Indexed: 11/25/2022]
Abstract
A chiral ligand exchange capillary electrophoresis (CLE-CE) method using Zn(II) as the central ion and L-4-hydroxyproline as the chiral ligand coordinating with γ-cyclodextrin (γ-CD) was developed for the enantioseparation of amino acids (AAs) and dipeptides. The effects of various separation parameters, including the pH of the running buffer, the ratio of Zn(II) to L-4-hydroxyproline, the concentration of complexes and cyclodextrins (CDs) were systematically investigated. After optimization, it has been found that eight pairs of labeled AAs and six pairs of labeled dipeptides could be baseline-separated with a running electrolyte of 100.0mM boric acid, 5.0mM ammonium acetate, 3.0mM Zn(II), 6.0mM L-hydroxyproline and 4.0mM γ-CD at pH 8.2. The quantitation of AAs and dipeptides was conducted and good linearity (r(2)≥0.997) and favorable repeatability (RSD≤3.6%) were obtained. Furthermore, the proposed method was applied in determining the enantiomeric purity of AAs and dipeptides. Meanwhile, the possible enantiorecognition mechanism based on the synergistic effect of chiral metal complexes and γ-CD was explored and discussed briefly.
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Affiliation(s)
- Xiaoyu Mu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Li Qi
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China.
| | - Juan Qiao
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China
| | - Xinzheng Yang
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China.
| | - Huimin Ma
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China
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44
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Aturki Z, Schmid MG, Chankvetadze B, Fanali S. Enantiomeric separation of new cathinone derivatives designer drugs by capillary electrochromatography using a chiral stationary phase, based on amylosetris(5-chloro-2-methylphenylcarbamate). Electrophoresis 2014; 35:3242-9. [DOI: 10.1002/elps.201400085] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Revised: 04/17/2014] [Accepted: 05/14/2014] [Indexed: 01/30/2023]
Affiliation(s)
- Zeineb Aturki
- Institute of Chemical Methodologies; Italian National Research Council; Monterotondo Rome Italy
| | - Martin G. Schmid
- Department of Pharmaceutical Chemistry; Institute of Pharmaceutical Sciences; Karl-Franzens-University Graz; Graz Austria
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry; School of Exact and Natural Sciences; Tbilisi State University; Tbilisi Georgia
| | - Salvatore Fanali
- Institute of Chemical Methodologies; Italian National Research Council; Monterotondo Rome Italy
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45
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Štěpánová S, Kašička V. Determination of impurities and counterions of pharmaceuticals by capillary electromigration methods. J Sep Sci 2014; 37:2039-55. [DOI: 10.1002/jssc.201400266] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 04/24/2014] [Accepted: 05/01/2014] [Indexed: 12/23/2022]
Affiliation(s)
- Sille Štěpánová
- Institute of Organic Chemistry and Biochemistry; Academy of Sciences of the Czech Republic; Prague Czech Republic
| | - Václav Kašička
- Institute of Organic Chemistry and Biochemistry; Academy of Sciences of the Czech Republic; Prague Czech Republic
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46
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Hong JS, Park JH. Chiral Separation of Basic Compounds on Sulfated β-Cyclodextrin-Coated Zirconia Monolith by Capillary Electrochromatography. B KOREAN CHEM SOC 2013. [DOI: 10.5012/bkcs.2013.34.6.1809] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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47
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Podgornik A, Yamamoto S, Peterka M, Krajnc NL. Fast separation of large biomolecules using short monolithic columns. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 927:80-9. [DOI: 10.1016/j.jchromb.2013.02.004] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 02/01/2013] [Accepted: 02/04/2013] [Indexed: 10/27/2022]
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48
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Li M, Tarawally M, Liu X, Liu X, Guo L, Yang L, Wang G. Application of cyclodextrin-modified gold nanoparticles in enantioselective monolith capillary electrochromatography. Talanta 2013; 109:1-6. [DOI: 10.1016/j.talanta.2013.03.035] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 03/10/2013] [Accepted: 03/14/2013] [Indexed: 10/27/2022]
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49
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Recent advances in on-line concentration and separation of amino acids using capillary electrophoresis. Anal Bioanal Chem 2013; 405:7919-30. [DOI: 10.1007/s00216-013-6906-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2013] [Revised: 02/23/2013] [Accepted: 03/08/2013] [Indexed: 11/25/2022]
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50
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Wistuba D, Schurig V. Cyclodextrin-mediated enantioseparations by capillary electrochromatography. Methods Mol Biol 2013; 970:505-523. [PMID: 23283799 DOI: 10.1007/978-1-62703-263-6_32] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Immobilized cyclodextrin derivatives are used as chiral selectors in various modes of capillary electrochromatography (CEC). The present chapter describes three techniques in detail utilizing CDs in CEC: (1) open-tubular capillary electrochromatography (o-CEC), (2) packed capillary electrochromatography (p-CEC), and (3) monolithic capillary electrochromatography (rod-CEC). Nanoparticle pseudostationary phase capillary electrochromatography (psp-CEC) is briefly discussed.
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Affiliation(s)
- Dorothee Wistuba
- Institute of Organic Chemistry, University of Tübingen, Tübingen, Germany.
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