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Zhang J, Li P, Ma J, Jia Q. [Recent developments of pesticide adsorbents based on cyclodextrins]. Se Pu 2021; 39:173-183. [PMID: 34227350 PMCID: PMC9274844 DOI: 10.3724/sp.j.1123.2020.08018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The invention and application of pesticides have greatly increased the yield of crops, greatly contributing to ensuring people's basic livelihoods and gradually improving their livelihoods to a well-off level. However, foods, water sources, and soil, containing high levels of pesticide residues, result in increasingly serious pollution. Pesticide residues usually have the characteristics of micro toxicity, difficult biodegradation, and bioaccumulation, and thus pose serious threat to living organisms and ecosystems. In recent years, pesticide pollution has earned worldwide focus. Thus, methods for the efficient detection of trace pesticides and reduction of the harm caused by pesticide pollution are urgently required. Researchers have used catalysis, electrochemistry, membrane separation, adsorption, and other methods to enrich pesticides from complex matrices. Among these, adsorbents have attracted much attention owing to their advantages of simple operation steps, rapid treatment process, and low amounts of organic solvents required. Research on adsorption materials has always been a very active field, and is also the key to the success of separation and enrichment of pesticides from complex matrices. Development of adsorbents with the advantages of simple synthesis, environment-friendliness, high stability, and strong reusability is of great significance. There has been some progress in the field of pesticide adsorption using supramolecular compounds. Cyclodextrin is a macrocyclic compound with a cavity after crown ether, which can form inclusion complexes via host guest interactions as the main body. Cyclodextrin can also be modified by etherification, esterification, oxidation, and other chemical reactions to improve its adsorption performance. Pesticides can be classified into organic and inorganic substances. One of the most widely used inorganic fungicides is the Bordeaux solution, whose main component is Cu2+. Organic fungicides, insecticides, herbicides, and plant growth regulators are basically organic molecules, whose hydroxyl and carboxyl groups can form complexes with Cu2+. As a matrix, cyclodextrin not only increases the surface area of the materials, but also provides the binding sites of hydroxyl and carboxyl groups, which guarantees efficient enrichment of Cu2+. Organic pesticides with high polarity, high electron density, and strong hydrophobicity could be better adsorbed. In this paper, the application of cyclodextrin-based adsorbents in pesticide adsorption was reviewed, and on this basis, reference to future development directions and application prospects were provided. The adsorption capacity of individual pesticide adsorbents based on cyclodextrin, as reviewed in this paper, is not high enough. Therefore, improving the adsorption capacity is currently a major research target. Some of the above-mentioned adsorbents have unclear degradation mechanisms and can easily cause secondary pollution. Therefore, the development of environment-friendly pesticide adsorbents that are easy to regenerate is a promising research direction for the future. After adsorption, some detection methods are used to determine whether the pesticide residues are up to the standard; however, the detection instruments are expensive. Therefore, the development of a combined detection mechanism that can reduce workload and cost is a promising research direction. Finally, the development of smart cyclodextrin-based adsorbents is also an efficient and rapid method to reduce the cost of detecting residual pesticide concentrations and the risk of pesticide pollution. For example, intelligent materials, whose color changes can be observed by the naked eye, not only adsorb pesticides, but also respond according to the concentration of residual pesticides.
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Affiliation(s)
- Jinfeng Zhang
- College of Chemistry, Jilin University, Changchun 130012, China
| | - Ping Li
- College of Chemistry, Jilin University, Changchun 130012, China
| | - Jiutong Ma
- College of Chemistry, Jilin University, Changchun 130012, China
| | - Qiong Jia
- College of Chemistry, Jilin University, Changchun 130012, China
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2
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Liu Y, Su Z, Jiang S, Sun H, Lyu H, Xie Z. Rapid preparation and characterization of a bridged bis(β-cyclodextrin) functionalized urea–formaldehyde monolithic column by a “one-pot” approach. Polym Chem 2021. [DOI: 10.1039/d1py00906k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new bridged-CD monolith was prepared by “one-pot” method within 30 minutes. The obtained bridged-CD monolith showed satisfactory enantioselectivity compared to a native-CD monolith.
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Affiliation(s)
- Yue Liu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Zhiping Su
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Shuangcheng Jiang
- Fisheries Research Institute of Fujian, Fujian, Xiamen, 361013, China
| | - Haoran Sun
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Haixia Lyu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, China
| | - Zenghong Xie
- College of Chemistry, Fuzhou University, Fuzhou, 350108, China
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3
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Hydroxypropyl β-cyclodextrin nanohybrid monoliths for use in capillary electrochromatography with UV detection: application to the enantiomeric separation of adrenergic drugs, anticholinergic drugs, antidepressants, azoles, and antihistamine. Mikrochim Acta 2020; 187:381. [DOI: 10.1007/s00604-020-04317-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 05/08/2020] [Indexed: 02/06/2023]
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4
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Recent advances in preparation and applications of monolithic chiral stationary phases. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115774] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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5
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Preparation of a hydroxypropyl-β-cyclodextrin functionalized monolithic column by one-pot sequential reaction and its application for capillary electrochromatographic enantiomer separation. J Chromatogr A 2019; 1603:269-277. [PMID: 31279475 DOI: 10.1016/j.chroma.2019.06.044] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 06/21/2019] [Accepted: 06/22/2019] [Indexed: 02/08/2023]
Abstract
In this study, a hydroxypropyl-β-cyclodextrin (HP-β-CD) functionalized monolithic capillary column was prepared by one-pot sequential reaction for the first time. The preparation of the HP-β-CD functionalized monolithic column involves two sequential reactions in one pot: (1) the ring opening reaction between HP-β-CD and glycidyl methacrylate (GMA) catalyzed by 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU); (2) the copolymerization of GMA-HP-β-CD, ethylene dimethacrylate (EDMA) and 2-acrylamido-2-methyl propane sulfonic acid (AMPS). A series of monolithic columns were successfully prepared by varying the temperature of the ring opening reaction or several copolymerization parameters (the type and composition of porogenic solvents, ratio of GMA-HP-β-CD to EDMA and polymerization temperature). Then, the morphologies and structures of the resulting monolithic stationary phases were characterized by optical microscopy, scanning electron microscopy (SEM) and nitrogen adsorption analysis. Raman spectroscopy clearly indicated the successful bonding of HP-β-CD onto the monolith. When the prepared chiral stationary phase (CSP) was applied for the separation of a set of racemic compounds by capillary electrochromatography (CEC), including racemic anticholinergic drugs, β-adrenergic drugs, meptazinol and its intermediates, satisfactory separation selectivities were obtained. Additionally, the column also showed excellent separation abilities towards four flavanone glycosides epimers. Furthermore, the prepared monolithic columns exhibited satisfactory stability and reproducibilities of retention time, resolution and column efficiency. These results demonstrated the potential and usefulness of the developed one-pot sequential strategy in the preparation of other derivatized CD functionalized monolithic columns.
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6
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Covalent organic framework incorporated chiral polymer monoliths for capillary electrochromatography. J Chromatogr A 2019; 1602:481-488. [PMID: 31230876 DOI: 10.1016/j.chroma.2019.06.018] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 06/06/2019] [Accepted: 06/07/2019] [Indexed: 11/20/2022]
Abstract
A covalent organic framework, Schiff base network-1 (SNW-1), was synthesized and incorporated into cellulase based poly(glycidyl methacrylate-co-ethylene dimethacrylate) (cellulase@poly(GMA-EDMA-SNW-1)) monolith to afford a novel chiral stationary phase for capillary electrochromatography (CEC). SNW-1 is attractive as a stationary phase for CEC because it not only features high surface areas but also provides conjugate structures and abundant amine groups to give π-π electrostatic stacking and hydrogen bonding property. Incorporation of SNW-1 into monolithic column could improve the column efficiency and increase the interactions between the tested racemates and the stationary phase thus significantly improved their CEC separation. The obtained monoliths were characterized by scanning electron microscopy, elemental analysis and nitrogen adsorption. Moreover, effects of SNW-1 concentration, immobilization pH of cellulase and CEC conditions were also investigated. Under the optimized conditions, the cellulase@poly(GMA-EDMA-SNW-1) monolith exhibited excellent enantioseparation performance for eight pairs of different classes of chiral drugs including β-blockers, antihistamines and anticoagulants. Satisfactory repeatability was achieved with relative standard deviations for intra-day, inter-day and column-to-column runs less than 4.5%, and batch-to-batch runs less than 6.8%. The experiment results reveal that the combination of the versatile features of monoliths and unique properties of SNW-1 could be a promising strategy for chiral separation.
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7
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Zhou L, Lun J, Liu Y, Jiang Z, Di X, Guo X. In situ immobilization of sulfated-β-cyclodextrin as stationary phase for capillary electrochromatography enantioseparation. Talanta 2019; 200:1-8. [PMID: 31036161 DOI: 10.1016/j.talanta.2019.03.034] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 03/01/2019] [Accepted: 03/06/2019] [Indexed: 11/24/2022]
Abstract
In this work, a novel sulfated-β-cyclodextrin (S-β-CD) coated stationary phase was prepared for open-tubular capillary electrochromatography (OT-CEC). The capillary was developed by attaching polydopamine/sulfated-β-cyclodextrin (PDA/S-β-CD) onto the gold nanoparticles (AuNPs) coated capillary which was pretreated with polydopamine. The results of scanning electron microscopy (SEM) and energy dispersive X-ray analysis spectroscopy (EDS) indicated that polydopamine/sulfated-β-cyclodextrin was successfully fixed on the gold nanoparticles coated capillary. To evaluate the performance of the prepared open tubular (OT) column, the enantioseparation was carried out by using ten chiral drugs as model analytes. Under the optimal conditions, salbutamol, terbutaline, trantinterol, tulobuterol, clorprenaline, pheniramine, chlorpheniramine, brompheniramine, isoprenaline and tolterodine were baseline separated with the resolution (Rs) values of 3.25, 1.76, 2.51, 1.89, 3.17, 2.17, 1.99, 1.72, 2.01 and 3.20, respectively. Repeatability of the column was studied, with the relative standard deviations for run-to-run, day-to-day and column-to-column lower than 5.7%.
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Affiliation(s)
- Li Zhou
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, Liaoning Province, PR China
| | - Jia Lun
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, Liaoning Province, PR China
| | - Yanru Liu
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, Liaoning Province, PR China
| | - Zhen Jiang
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, Liaoning Province, PR China
| | - Xin Di
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, Liaoning Province, PR China
| | - Xingjie Guo
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, Liaoning Province, PR China.
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8
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A novel one-pot strategy to prepare β-cyclodextrin functionalized capillary monoliths for enantioseparation of basic drugs. Talanta 2018; 189:458-466. [DOI: 10.1016/j.talanta.2018.07.041] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 06/30/2018] [Accepted: 07/11/2018] [Indexed: 11/23/2022]
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9
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Mao Z, Bao T, Li Z, Chen Z. Ionic liquid-copolymerized monolith incorporated with zeolitic imidazolate framework-8 as stationary phases for enhancing reversed phase selectivity in capillary electrochromatography. J Chromatogr A 2018; 1578:99-105. [PMID: 30337168 DOI: 10.1016/j.chroma.2018.10.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 10/05/2018] [Accepted: 10/09/2018] [Indexed: 12/31/2022]
Abstract
A novel ionic liquid (1-allyl-methylimidazolium chloride, AlMeIm+Cl-) polymer monolith poly(ionic liquid-co-ethylene dimethacrylate) incorporated with zeolitic imidazolate framework-8 (ZIF-8-poly(IL-co-EDMA)) was firstly synthesized as stationary phases of monolithic column for capillary electrochromatography by one-step copolymerization. Incorporation of ZIF-8 into ionic liquid polymer monolith evidently enhanced the separation selectivity for four alkylbenzenes in reversed phase capillary electrochromatography (CEC), due to the synergistic effect derived from the same imidazole ring structure of ionic liquid and organic ligands of ZIF-8. Meanwhile, electroosmotic flow (EOF) was generated by ionic liquid in a wide range of pH values from 2.0 to 12.0. The resultant monolithic columns were characterized by scanning electron microscopy (SEM) and Fourier transform infrared (FT-IR). The results indicated that the prepared monolithic columns had good permeability and mechanism stability. The resultant monolithic columns were applied for the separation of neutral compounds, anilines and phenols. The highest column efficiency was 2.07 × 105 plates m-1 (theoretical plates, N) for toluene. Under optimal conditions, reproducibility was obtained with relative standard deviations (RSDs) of the retention time for run-to-run, day-to-day, column-to-column and batch-to-batch were in the range of 1.58 - 3.19%, 1.92 - 3.87%, 3.84 - 4.96% and 2.63 - 4.33%, respectively. Incorporation ZIF-8 into ionic liquid polymer monolith was a promising way for the application of new materials in the fabrication of novel monolithic columns.
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Affiliation(s)
- Zhenkun Mao
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, Wuhan University School of Pharmaceutical Sciences, Wuhan, 430071, China
| | - Tao Bao
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, Wuhan University School of Pharmaceutical Sciences, Wuhan, 430071, China
| | - Zhentao Li
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, Wuhan University School of Pharmaceutical Sciences, Wuhan, 430071, China
| | - Zilin Chen
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education, Wuhan University School of Pharmaceutical Sciences, Wuhan, 430071, China.
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10
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Carrasco-Correa EJ, Ferri M, Woiwode U, Ma Y, Herrero-Martínez JM, Ramis-Ramos G, Lindner W, Lämmerhofer M. Zwitterionic codeine-derived methacrylate monoliths for enantioselective capillary electrochromatography of chiral acids and chiral bases. Electrophoresis 2018; 39:2558-2565. [DOI: 10.1002/elps.201800126] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 04/22/2018] [Accepted: 06/23/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Enrique Javier Carrasco-Correa
- Institute of Pharmaceutical Sciences; University of Tübingen; Tübingen Germany
- Department of Analytical Chemistry; University of Valencia; Valencia Spain
| | - Martina Ferri
- Institute of Pharmaceutical Sciences; University of Tübingen; Tübingen Germany
- Department of Pharmaceutical Sciences; University of Perugia; Perugia Italy
| | - Ulrich Woiwode
- Institute of Pharmaceutical Sciences; University of Tübingen; Tübingen Germany
| | - Yubo Ma
- Institute of Pharmaceutical Sciences; University of Tübingen; Tübingen Germany
| | | | | | - Wolfgang Lindner
- Department of Analytical Chemistry; University of Vienna; Vienna Austria
- Lindner Consulting GmbH; Klosterneuburg Austria
| | - Michael Lämmerhofer
- Institute of Pharmaceutical Sciences; University of Tübingen; Tübingen Germany
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11
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Gao B, Li Y, Chen L. Surface molecularly imprinted material for enantiomeric resolution of ibuprofen: Preparation and study on chiral recognition and resolution property. INT J POLYM MATER PO 2018. [DOI: 10.1080/00914037.2017.1383253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Baojiao Gao
- Department of Chemical Engineering, North University of China, Taiyuan, P. R. China
| | - Yanbin Li
- Department of Chemical Engineering, North University of China, Taiyuan, P. R. China
| | - Lulu Chen
- Department of Chemical Engineering, North University of China, Taiyuan, P. R. China
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12
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Xu S, Wang Y, Tang Y, Ji Y. A protein-based mixed selector chiral monolithic stationary phase in capillary electrochromatography. NEW J CHEM 2018. [DOI: 10.1039/c8nj02309c] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A mixed selector CSP combines the enantioselectivities of both individual proteins, thus expanding their application range practically.
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Affiliation(s)
- Shujuan Xu
- Department of Analytical Chemistry
- China Pharmaceutical University
- Nanjing 210009
- China
- Key Laboratory of Drug Quality Control and Pharmacovigilance
| | - Yuying Wang
- Department of Analytical Chemistry
- China Pharmaceutical University
- Nanjing 210009
- China
- Key Laboratory of Drug Quality Control and Pharmacovigilance
| | - Yixia Tang
- Department of Analytical Chemistry
- China Pharmaceutical University
- Nanjing 210009
- China
- Key Laboratory of Drug Quality Control and Pharmacovigilance
| | - Yibing Ji
- Department of Analytical Chemistry
- China Pharmaceutical University
- Nanjing 210009
- China
- Key Laboratory of Drug Quality Control and Pharmacovigilance
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13
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Zhou L, Zhang B, Li S, Yu J, Guo X. Enantioselective open-tubular capillary electrochromatography using a β-cyclodextrin–gold nanoparticles–polydopamine coating as a stationary phase. NEW J CHEM 2018. [DOI: 10.1039/c8nj03234c] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel β-cyclodextrin–gold nanoparticles–polydopamine modified open tubular column was prepared for the chiral separation of enantiomers in capillary electrochromatography.
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Affiliation(s)
- Li Zhou
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Bo Zhang
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Shuang Li
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Jia Yu
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
| | - Xingjie Guo
- School of Pharmacy
- Shenyang Pharmaceutical University
- Shenyang
- P. R. China
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14
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Lin Y, Guo J, Lin H, Wang J, Somsen GW, Crommen J, Jiang Z. Effect of fabrication strategy on the enantioseparation performance of β-cyclodextrin-functionalized polymethacrylate monoliths: A comparative evaluation. J Sep Sci 2017; 40:3754-3762. [DOI: 10.1002/jssc.201700424] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2017] [Revised: 06/12/2017] [Accepted: 07/13/2017] [Indexed: 12/31/2022]
Affiliation(s)
- Yuanjing Lin
- Institute of Pharmaceutical Analysis; College of Pharmacy, Jinan University; Guangzhou China
| | - Jialiang Guo
- School of Stomatology and Medicine; Foshan University; Foshan China
| | - Hang Lin
- Institute of Pharmaceutical Analysis; College of Pharmacy, Jinan University; Guangzhou China
| | - Jincai Wang
- Institute of Pharmaceutical Analysis; College of Pharmacy, Jinan University; Guangzhou China
| | - Govert W. Somsen
- Institute of Pharmaceutical Analysis; College of Pharmacy, Jinan University; Guangzhou China
- Division of Bioanalytical Chemistry; AIMMS Research Group Biomolecular Analysis, Vrije Universiteit Amsterdam; Amsterdam The Netherlands
| | - Jacques Crommen
- Institute of Pharmaceutical Analysis; College of Pharmacy, Jinan University; Guangzhou China
- Laboratory of Analytical Pharmaceutical Chemistry; Department of Pharmaceutical Sciences; CIRM, University of Liege; Liege Belgium
| | - Zhengjin Jiang
- Institute of Pharmaceutical Analysis; College of Pharmacy, Jinan University; Guangzhou China
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15
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Dixit S, Lee IS, Park JH. Carbamoylated azithromycin incorporated zirconia hybrid monolith for enantioseparation of acidic chiral drugs using non-aqueous capillary electrochromatography. J Chromatogr A 2017; 1507:132-140. [PMID: 28558906 DOI: 10.1016/j.chroma.2017.05.046] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 05/15/2017] [Accepted: 05/18/2017] [Indexed: 01/21/2023]
Abstract
Carbamoylated derivatives of two antibiotics, namely, clindamycin phosphate (CLIP) and erythromycin (ERY) were successfully employed as co-precursors, in combination of zirconium tetrabutoxide as a precursor, to prepare chiral organic-zirconia hybrid monoliths (i.e., CLIP-ZHMs and ERY-ZHMs, respectively) via a single-step in-situ sol-gel approach in our previous works. Their superiority over chiral organic-zirconia/silica monoliths, prepared by post-modification approach, in terms of better enantioresolution and enhanced stability inspired us to prepare ZHMs based on an another antibiotic, azithromycin (i.e., AZI-ZHMs). Monolithic columns were employed for capillary electrochromatographic enantioseparation of acidic chiral drugs in mobile phases consisting of acetonitrile (ACN) and methanol (MeOH) as organic modifiers, and acetic acid (AcOH) and triethylamine (TEA) as electrolytes. The effects of composition of mobile phase and applied voltage on chiral separation were investigated by using ketoprofen as a representative analyte. Baseline resolutions were obtained for six acidic drugs in mobile phase consisting of 80/20 (v/v) ACN/MeOH with 300mM AcOH and 10mM TEA at a 10kV applied voltage and 25°C capillary temperature. The relative standard deviations for resolution values regarding column to column and batch to batch repeatability were less than 2.5% (for n=3) under optimized conditions, indicating satisfactory stability of the columns and reproducibility of the column preparation process.
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Affiliation(s)
- Shuchi Dixit
- Department of Chemistry, Yeungnam University, Gyeongsan 38541, South Korea
| | - Il Seung Lee
- Department of Chemistry, Yeungnam University, Gyeongsan 38541, South Korea
| | - Jung Hag Park
- Department of Chemistry, Yeungnam University, Gyeongsan 38541, South Korea.
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16
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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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17
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Wang QL, Xie J, Li XD, Ding LS, Liang J, Luo P, Qing LS. Development of a nano-SiO 2 based enzyme-linked ligand binding assay for the determination of ibuprofen in human urine. Talanta 2017; 167:617-622. [DOI: 10.1016/j.talanta.2017.03.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 02/23/2017] [Accepted: 03/02/2017] [Indexed: 12/24/2022]
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18
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Mao Z, Chen Z. Monolithic column modified with bifunctional ionic liquid and styrene stationary phases for capillary electrochromatography. J Chromatogr A 2017; 1480:99-105. [DOI: 10.1016/j.chroma.2016.12.030] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 12/12/2016] [Accepted: 12/12/2016] [Indexed: 12/22/2022]
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19
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20
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Postpolymerization modification of a hydroxy monolith precursor. Part III. Activation of poly(hydroxyethyl methacrylate-co-pentaerythritol triacrylate) monolith with epoxy functionalities followed by bonding of glycerol, polyamines, and hydroxypropyl-β-cy. Electrophoresis 2016; 37:3178-3185. [DOI: 10.1002/elps.201600326] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 08/29/2016] [Accepted: 09/01/2016] [Indexed: 12/29/2022]
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21
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Guo J, Xiao Y, Lin Y, Crommen J, Jiang Z. Effect of the crosslinker type on the enantioseparation performance of β -cyclodextrin functionalized monoliths prepared by the one-pot approach. J Chromatogr A 2016; 1467:288-296. [DOI: 10.1016/j.chroma.2016.05.078] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Revised: 05/18/2016] [Accepted: 05/24/2016] [Indexed: 01/03/2023]
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22
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Recent developments in cyclodextrin functionalized monolithic columns for the enantioseparation of chiral drugs. J Pharm Biomed Anal 2016; 130:110-125. [DOI: 10.1016/j.jpba.2016.05.023] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 05/06/2016] [Accepted: 05/15/2016] [Indexed: 01/09/2023]
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23
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Sierra I, Marina ML, Pérez-Quintanilla D, Morante-Zarcero S, Silva M. Approaches for enantioselective resolution of pharmaceuticals by miniaturised separation techniques with new chiral phases based on nanoparticles and monolithis. Electrophoresis 2016; 37:2538-2553. [PMID: 27434636 DOI: 10.1002/elps.201600131] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 07/05/2016] [Accepted: 07/06/2016] [Indexed: 01/10/2023]
Abstract
This article discusses new developments in the preparation of nanoparticles and monoliths with emphasis upon their application as the stationary and pseudo-stationary phases for miniaturised liquid phase separation techniques, which have occurred in the last 10 years (from 2006 to the actuality). References included in this review represent current trends and state of the art in the application of these materials to the analysis, by EKC, CEC and miniaturised chromatography, of chiral compounds with environmental interest such as pharmaceuticals. Due to their extraordinary properties, columns prepared with these new chiral stationary or pseudo-stationary phases, based on materials such as gold nanoparticles, metal-organic frameworks, ordered mesoporous silicas, carbonaceous materials, polymeric-based and silica-based monoliths or molecularly imprinted materials, can usually show some improvements in the separation selectivity, column efficiency and chemical stability in comparison with conventional chiral columns available commercially.
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Affiliation(s)
- Isabel Sierra
- Departamento de Tecnología Química y Energética, Tecnología Química y Ambiental, Tecnología Mecánica y Química Analítica, ESCET, Universidad Rey Juan Carlos, C/ Tulipán s/n, Móstoles, Madrid, Spain.
| | - Maria Luisa Marina
- Departamento de Química Analítica, Química Física e Ingeniería Química, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain
| | - Damián Pérez-Quintanilla
- Departamento de Tecnología Química y Energética, Tecnología Química y Ambiental, Tecnología Mecánica y Química Analítica, ESCET, Universidad Rey Juan Carlos, C/ Tulipán s/n, Móstoles, Madrid, Spain
| | - Sonia Morante-Zarcero
- Departamento de Tecnología Química y Energética, Tecnología Química y Ambiental, Tecnología Mecánica y Química Analítica, ESCET, Universidad Rey Juan Carlos, C/ Tulipán s/n, Móstoles, Madrid, Spain
| | - Mariana Silva
- Departamento de Tecnología Química y Energética, Tecnología Química y Ambiental, Tecnología Mecánica y Química Analítica, ESCET, Universidad Rey Juan Carlos, C/ Tulipán s/n, Móstoles, Madrid, Spain
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24
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Guo J, Xiao Y, Lin Y, Zhang Q, Chang Y, Crommen J, Jiang Z. Influence of the linking spacer length and type on the enantioseparation ability of β-cyclodextrin functionalized monoliths. Talanta 2016; 152:259-68. [DOI: 10.1016/j.talanta.2016.02.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 02/01/2016] [Accepted: 02/05/2016] [Indexed: 11/26/2022]
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25
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Rong L, Liu Q, Wang J, Zeng H, Yang H, Chen X. Enantioseparation of (RS)-ibuprofen by closed recycling high-speed counter-current chromatography using hydroxypropyl-β-cyclodextrin as chiral selector. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.tetasy.2016.03.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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26
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Shi X, Liu F, Mao J. The CGC enantiomer separation of 2-arylcarboxylic acid esters by using β-cyclodextrin derivatives as chiral stationary phases. Anal Chim Acta 2016; 912:156-62. [DOI: 10.1016/j.aca.2016.01.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Revised: 01/15/2016] [Accepted: 01/20/2016] [Indexed: 10/22/2022]
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27
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Zhang P, Wang J, Yang H, Su L, Xiong Y, Ye F. Facile one-pot preparation of chiral monoliths with a well-defined framework based on the thiol–ene click reaction for capillary liquid chromatography. RSC Adv 2016; 6:24835-24842. [DOI: 10.1039/c6ra01370h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023] Open
Abstract
A novel chiral cyclodextrin (CD) monolith was easily prepared via a one-pot process based on the thiol–ene click reaction of allyl-β-CD with pentaerythritol tetra-(3-mercaptopropionate) in a fused-silica capillary.
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Affiliation(s)
- Peng Zhang
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Jiannan Wang
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Haiguan Yang
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Linjing Su
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Yuhao Xiong
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
| | - Fanggui Ye
- Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China)
- College of Chemistry and Pharmaceutical Science of Guangxi Normal University
- Guilin 541004
- P. R. China
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28
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Adly FG, Antwi NY, Ghanem A. Cyclodextrin-Functionalized Monolithic Capillary Columns: Preparation and Chiral Applications. Chirality 2015; 28:97-109. [DOI: 10.1002/chir.22550] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 09/15/2015] [Accepted: 09/23/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Frady G. Adly
- Chirality Program; University of Canberra; ACT Australia
| | - Nana Yaa Antwi
- Chirality Program; University of Canberra; ACT Australia
| | - Ashraf Ghanem
- Chirality Program; University of Canberra; ACT Australia
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29
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Biocompatible chiral monolithic stationary phase synthesized via atom transfer radical polymerization for high performance liquid chromatographic analysis. J Chromatogr A 2015. [DOI: 10.1016/j.chroma.2015.07.042] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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30
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Phosphatidylcholine covalently linked to a methacrylate-based monolith as a biomimetic stationary phase for capillary liquid chromatography. J Chromatogr A 2015; 1402:27-35. [PMID: 26024990 DOI: 10.1016/j.chroma.2015.05.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Revised: 04/30/2015] [Accepted: 05/04/2015] [Indexed: 12/21/2022]
Abstract
In this study a strategy to immobilize phospholipids onto a polymer-based stationary phase is described. Methacrylate-based monoliths in capillary format (150×0.1mm) were modified by soybean phosphatidylcholine through 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide coupling to obtain stationary phases suitable to mimic cell surface membranes. The covalent coupling reaction involves the phosphate group in phospholipids; therefore, the described methodology is suitable for all types of phospholipids. Immobilization of soy bean phosphatidylcholine on the monolith was confirmed by attenuated total reflectance Fourier transform infrared spectroscopy and gas chromatography-mass spectrometry of the fatty alcohol profile, generated upon reductive cleavage of the fatty acyl side chains of the phospholipid on the monolith surface with lithium aluminium hydride. The prepared stationary phases were evaluated through studies on the retention of low-molar mass model analytes including neutral, acidic, and basic compounds. Liquid chromatographic studies confirmed predominant hydrophobic interactions between the analytes and the synthesized stationary phase; however, electrostatic interactions contributed to the retention as well. The synthesized columns showed high stability even with fully aqueous mobile phases such as Dulbecco's phosphate-buffered saline solution.
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31
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Zhang Q, Guo J, Xiao Y, Crommen J, Jiang Z. Comparative evaluation of a one-pot strategy for the preparation of β-cyclodextrin-functionalized monoliths: Effect of the degree of amino substitution of β-cyclodextrin on the column performance. J Sep Sci 2015; 38:1813-21. [DOI: 10.1002/jssc.201500124] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Revised: 03/03/2015] [Accepted: 03/03/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Qiaoxuan Zhang
- Department of Pharmacy and Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine & New Drug Research; Jinan University; Guangzhou China
- Department of Laboratory Medicine; the Second Affiliated Hospital of Guangzhou University of Chinese Medicine; Guangzhou China
| | - Jialiang Guo
- Department of Pharmacy and Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine & New Drug Research; Jinan University; Guangzhou China
| | - Yuan Xiao
- Department of Pharmacy and Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine & New Drug Research; Jinan University; Guangzhou China
| | - Jacques Crommen
- Department of Pharmacy and Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine & New Drug Research; Jinan University; Guangzhou China
- Laboratory of Analytical Pharmaceutical Chemistry; Department of Pharmaceutical Sciences; University of Liege; Liege Belgium
| | - Zhengjin Jiang
- Department of Pharmacy and Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine & New Drug Research; Jinan University; Guangzhou China
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32
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Carrasco-Correa EJ, Ramis-Ramos G, Herrero-Martínez JM. Evaluation of 2,3-epoxypropyl groups and functionalization yield in glycidyl methacrylate monoliths using gas chromatography. J Chromatogr A 2015; 1379:100-5. [DOI: 10.1016/j.chroma.2014.12.050] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2014] [Revised: 12/15/2014] [Accepted: 12/16/2014] [Indexed: 11/16/2022]
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33
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Polymethacrylate monoliths with immobilized poly-3-mercaptopropyl methylsiloxane film for high-coverage surface functionalization by thiol-ene click reaction. J Chromatogr A 2014; 1367:123-30. [DOI: 10.1016/j.chroma.2014.09.066] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 09/23/2014] [Accepted: 09/25/2014] [Indexed: 11/19/2022]
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34
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Al-Hussin A, Boysen RI, Saito K, Hearn MT. Preparation and electrochromatographic characterization of new chiral β-cyclodextrin poly(acrylamidopropyl) porous layer open tubular capillary columns. J Chromatogr A 2014; 1358:199-207. [DOI: 10.1016/j.chroma.2014.06.067] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Revised: 06/19/2014] [Accepted: 06/19/2014] [Indexed: 11/16/2022]
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35
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Guo J, Zhang Q, Yao Z, Zhao X, Ran D, Crommen J, Jiang Z. One-step strategy for the synthesis of a derivatized cyclodextrin-based monolithic column. J Sep Sci 2014; 37:1720-7. [DOI: 10.1002/jssc.201400312] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Revised: 04/21/2014] [Accepted: 04/21/2014] [Indexed: 12/20/2022]
Affiliation(s)
- Jialiang Guo
- Department of Pharmacy; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drug Research, Jinan University; Guangzhou China
| | - Qiaoxuan Zhang
- Department of Pharmacy; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drug Research, Jinan University; Guangzhou China
| | - Zhe Yao
- Department of Pharmacy; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drug Research, Jinan University; Guangzhou China
| | - Xianglong Zhao
- Department of Pharmacy; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drug Research, Jinan University; Guangzhou China
| | - Danni Ran
- Department of Pharmacy; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drug Research, Jinan University; Guangzhou China
| | - Jacques Crommen
- Department of Pharmacy; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drug Research, Jinan University; Guangzhou China
- Laboratory of Analytical Pharmaceutical Chemistry; Department of Pharmaceutical Sciences, University of Liege; Liege Belgium
| | - Zhengjin Jiang
- Department of Pharmacy; Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drug Research, Jinan University; Guangzhou China
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36
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Zheng H, Liu Q, Jia Q. Preparation of poly(butyl methacrylate-co-ethyleneglyceldimethacrylate) monolithic column modified with β-cyclodextrin and nano-cuprous oxide and its application in polymer monolithic microextraction of polychlorinated biphenyls. J Chromatogr A 2014; 1343:47-54. [DOI: 10.1016/j.chroma.2014.03.067] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 03/27/2014] [Accepted: 03/27/2014] [Indexed: 10/25/2022]
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37
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Al-Othman ZA, Al-Warthan A, Ali I. Advances in enantiomeric resolution on monolithic chiral stationary phases in liquid chromatography and electrochromatography. J Sep Sci 2014; 37:1033-57. [DOI: 10.1002/jssc.201301326] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 02/27/2014] [Accepted: 02/27/2014] [Indexed: 11/10/2022]
Affiliation(s)
- Zeid A. Al-Othman
- Department of Chemistry; College of Science; King Saud University; Riyadh Kingdom of Saudi Arabia
| | - Abdulrahman Al-Warthan
- Department of Chemistry; College of Science; King Saud University; Riyadh Kingdom of Saudi Arabia
| | - Imran Ali
- Department of Chemistry; Jamia Millia Islamia (Central University); New Delhi India
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38
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Zhang Q, Guo J, Wang F, Crommen J, Jiang Z. Preparation of a β-cyclodextrin functionalized monolith via a novel and simple one-pot approach and application to enantioseparations. J Chromatogr A 2014; 1325:147-54. [DOI: 10.1016/j.chroma.2013.12.019] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Revised: 12/05/2013] [Accepted: 12/05/2013] [Indexed: 01/03/2023]
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39
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Flieger J, Czajkowska-Żelazko A. Usefulness of the chaotropic effect in sample preparation for chromatographic analysis of acidic xenobiotics in human plasma. J Sep Sci 2013; 36:3035-41. [DOI: 10.1002/jssc.201300351] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 05/25/2013] [Accepted: 06/03/2013] [Indexed: 11/05/2022]
Affiliation(s)
- Jolanta Flieger
- Department of Analytical Chemistry; Medical University of Lublin; Lublin Poland
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40
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Carrasco-Correa EJ, Ramis-Ramos G, Herrero-Martínez JM. Methacrylate monolithic columns functionalized with epinephrine for capillary electrochromatography applications. J Chromatogr A 2013; 1298:61-7. [DOI: 10.1016/j.chroma.2013.05.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Revised: 03/26/2013] [Accepted: 05/05/2013] [Indexed: 11/25/2022]
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41
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Zhang Z, Zou H, Ou J. Polysaccharide-derived chiral stationary phases in capillary electrochromatography enantioseparations. Methods Mol Biol 2013; 970:457-467. [PMID: 23283796 DOI: 10.1007/978-1-62703-263-6_29] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Capillary electrochromatography (CEC) has been shown to be a promising technique for miniaturized enantioseparations. Here we present the preparation and application of positively charged cellulose derivative-based chiral stationary phases (CSPs) for the CEC separation of enantiomers. The cellulose derivatives were chemically immobilized onto diethylenetriaminopropylated silica gel using tolylene-2,4-diisocyanate as a spacer. The separation of enantiomers in CEC can be performed on the positively charged CSPs with nonaqueous and aqueous mobile phases.
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Affiliation(s)
- Zhenbin Zhang
- National Chromatographic R&A Center, Dalian Institute of Chemical Physics, Dalian, China
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42
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Bragg W, Shamsi SA. A novel positively charged achiral co-monomer for β-cyclodextrin monolithic stationary phase: improved chiral separation of acidic compounds using capillary electrochromatography coupled to mass spectrometry. J Chromatogr A 2012; 1267:144-55. [PMID: 23062876 PMCID: PMC3618962 DOI: 10.1016/j.chroma.2012.08.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Revised: 07/30/2012] [Accepted: 08/01/2012] [Indexed: 11/21/2022]
Abstract
The work presented here demonstrates the incorporation of vinylbenzyl trimethylammonium (VBTA) as a novel positively charged achiral co-monomer to a glycidyl methacrylate-beta cyclodextrin (GMA/β-CD) based monolith, providing anion exchange sites with reversed electroosmotic flow (EOF) for capillary electrochromatography (CEC). The monolithic phases, GMA/β-CD-VBTA and GMA/β-CD (without co-monomer) were characterized by scanning electron microscopy, optical microscopy, pressure drop/flow-rate curves and nitrogen adsorption analysis. After optimizing the stationary phase and mobile phase parameters, chiral separations of 41 pairs of structurally diverse anionic chiral analytes were compared individually using the GMA/β-CD-VBTA and GMA/β-CD monolithic columns. The GMA/β-CD-VBTA monolith chiral stationary phase separated significantly more acidic compounds compared to the GMA/β-CD column. To-date there has been limited work in the development of chiral monolithic column for CEC-mass spectrometry (MS). Because of good electrodriven flow characteristics, which allow the column to maintain a stable current in the absence of outlet vial, GMA/β-CD-VBTA column was successfully coupled to single quadrupole mass spectrometer for CEC-MS of several chiral test compounds. In addition, the same monolithic CEC column when coupled to a triple quadrupole MS instrument, two orders of magnitude higher sensitivity was observed compared to a single quadrupole MS instrument.
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Affiliation(s)
- William Bragg
- Department of Chemistry, Center for Biotechnology and Drug Design, Georgia State University, Atlanta, GA, USA
| | - Shahab A. Shamsi
- Department of Chemistry, Center for Biotechnology and Drug Design, Georgia State University, Atlanta, GA, USA
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43
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Xiao Y, Ng SC, Tan TTY, Wang Y. Recent development of cyclodextrin chiral stationary phases and their applications in chromatography. J Chromatogr A 2012; 1269:52-68. [DOI: 10.1016/j.chroma.2012.08.049] [Citation(s) in RCA: 157] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2012] [Revised: 07/28/2012] [Accepted: 08/14/2012] [Indexed: 01/13/2023]
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44
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Yao C, Tang S, Yan C, Yao HM, Tade MO. Preparation of a Monolith with Covalently Bound Bovine Serum Albumin for Capillary Electrochromatography. ANAL LETT 2012. [DOI: 10.1080/00032719.2012.689793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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45
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He J, Wang X, Morill M, Shamsi SA. Amino acid bound surfactants: a new synthetic family of polymeric monoliths opening up possibilities for chiral separations in capillary electrochromatography. Anal Chem 2012; 84:5236-42. [PMID: 22607448 DOI: 10.1021/ac300944z] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
By combining a novel chiral amino-acid surfactant containing an acryloyl amide tail, a carbamate linker, and a leucine headgroup of different chain lengths with a conventional cross-linker and a polymerization technique, a new "one-pot" synthesis for the generation of amino-acid based polymeric monolith is realized. The method promises to open up the discovery of an amino-acid based polymeric monolith for chiral separations in capillary electrochromatography (CEC). The possibility of enhanced chemoselectivity for simultaneous separation of ephedrine and pseudoephedrine containing multiple chiral centers and the potential use of this amino-acid surfactant bound column for CEC and CEC coupled to mass spectrometric detection are demonstrated.
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Affiliation(s)
- Jun He
- Center of Diagnostics and Therapeutics, Georgia State University, 50 Decatur Street, Atlanta, Georgia 30303, USA
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46
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Zhang H, Ge C, van der Spoel D, Feng W, Tan T. Insight into the Structural Deformations of Beta-Cyclodextrin Caused by Alcohol Cosolvents and Guest Molecules. J Phys Chem B 2012; 116:3880-9. [DOI: 10.1021/jp300674d] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Haiyang Zhang
- Beijing Key
Lab of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Box 53,
100029 Beijing, China
- Department of Cell
and Molecular Biology, Uppsala University, Husargatan 3, Box 596, SE-751 24 Uppsala, Sweden
| | - Chunling Ge
- Beijing Key
Lab of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Box 53,
100029 Beijing, China
| | - David van der Spoel
- Department of Cell
and Molecular Biology, Uppsala University, Husargatan 3, Box 596, SE-751 24 Uppsala, Sweden
| | - Wei Feng
- Beijing Key
Lab of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Box 53,
100029 Beijing, China
| | - Tianwei Tan
- Beijing Key
Lab of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Box 53,
100029 Beijing, China
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47
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Cavazzini A, Pasti L, Massi A, Marchetti N, Dondi F. Recent applications in chiral high performance liquid chromatography: A review. Anal Chim Acta 2011; 706:205-22. [DOI: 10.1016/j.aca.2011.08.038] [Citation(s) in RCA: 203] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2011] [Revised: 08/08/2011] [Accepted: 08/25/2011] [Indexed: 01/17/2023]
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48
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Gu C, Shamsi SA. Evaluation of a methacrylate-bonded cyclodextrins as a monolithic chiral stationary phase for capillary electrochromatography (CEC)-UV and CEC coupled to mass spectrometry. Electrophoresis 2011; 32:2727-37. [PMID: 21983821 PMCID: PMC3517074 DOI: 10.1002/elps.201000647] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Glycidyl methacrylate-bonded β-cyclodextrin (GMA-β-CD) is synthesized as a new chiral monomer by direct chemical bonding with GMA using a fast and simple alternative procedure. Next, rigid and homogenous monolithic columns were prepared by polymerization of GMA-β-CD monomer with ethylene dimethacrylate (EDMA), in the presence of commonly used porogens and a charged achiral monomer to form a versatile chiral monolith. This is the first report in which a preparation procedure for a methacrylate-bonded CD is introduced for chiral separations in CEC. The degree of substitution of GMA-β-CD monomer and mobile-phase parameters were optimized to achieve the highest enantioselectivity and plate number. To evaluate the GMA-β-CD monolithic column, different classes of chiral compounds were screened. Under the optimized β-CD monolith phase and the optimum mobile-phase conditions, 30 neutral and basic chiral compounds and two acidic compounds could be separated. The high chemical and mechanical stability, homogenous microflow and no loss of material at the interface allows for the first time the feasibility of applying this polymer-based monolithic column for CEC coupled to ESI-MS. Compared with CEC-UV, CEC-ESI-MS showed higher sensitivity and lower resolution. However, resolution greater than 1.0 can still be obtained for majority of the select tested compound in CEC-ESI-MS with at least three out of seven compound providing Rs≥1.5. The results reinforce the potential of GMA-β-CD monolithic columns for chiral separations with high sensitivity in CEC-ESI-MS. Finally, using hexobarbital as the model chiral analyte, the monolithic column demonstrated excellent stability and reproducibility of retention time and enantioselectivity.
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Affiliation(s)
- Congying Gu
- Department of Chemistry, Center for Biotechnology and Drug Design, Georgia State University, Atlanta, GA 30303, USA
| | - Shahab A. Shamsi
- Department of Chemistry, Center for Biotechnology and Drug Design, Georgia State University, Atlanta, GA 30303, USA
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Mangelings D, Vander Heyden Y. Enantioselective capillary electrochromatography: recent developments and new trends. Electrophoresis 2011; 32:2583-601. [PMID: 21910129 DOI: 10.1002/elps.201100009] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2011] [Revised: 03/10/2011] [Accepted: 03/10/2011] [Indexed: 11/11/2022]
Abstract
Since its development in the early 1970s, CEC has been studied quite extensively, but unfortunately its use is still mostly located at an academic level. Reasons for this are the limited availability of commercially available stationary phases (SPs) and columns, along with some practical limitations, such as column fragility, lack of column robustness and reproducibility. Nevertheless, CEC maintains a place among the separation techniques, probably because of its unique feature to combine two separation principles. Also in the field of chiral separations, CEC is often used as a separation technique and already showed its potential for this kind of analyses. This overview will focus on the recent applications, i.e. between 2006 and 2010, in enantioselective analysis by means of CEC. For the selected applications, the used SPs (chiral selectors) and their potential for future method development or screening purposes will be evaluated and critically discussed.
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Affiliation(s)
- Debby Mangelings
- Department of Analytical Chemistry and Pharmaceutical Technology, Center for Pharmaceutical Research, Vrije Universiteit Brussel, Brussels, Belgium.
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Lv Y, Hughes TC, Hao X, Mei D, Tan T. Preparation of monomeric and polymeric β-cyclodextrin functionalized monoliths for rapid isolation and purification of puerarin from Radix puerariae. J Sep Sci 2011; 34:2131-7. [DOI: 10.1002/jssc.201100282] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2011] [Revised: 05/16/2011] [Accepted: 05/17/2011] [Indexed: 11/11/2022]
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