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Zhao S, Miao P, Zhang J, Gan J, Du Y, Chen C, Sun X, Feng Z, Ma X, Ma M, Xi Y, Ding W. Polydopamine Coating Doped with Graphene Oxide Enhances Enantioseparation of Capillary Column. J Chromatogr Sci 2023; 61:699-704. [PMID: 35397163 DOI: 10.1093/chromsci/bmac029] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 02/21/2022] [Accepted: 03/25/2022] [Indexed: 08/22/2023]
Abstract
How to improve the enantiomer separation efficiency of drugs is a hot topic. In this paper, polydopamine (PDA) coating doped with graphene oxide (GO) by physical adsorption was used to modify the capillary column to enhance the enantioseparation efficiency of the drugs. In the capillary electrochromatography (CEC) system, the novel capillary column with carboxymethyl-β-cyclodextrin (CM-β-CD) as a chiral selector has completed the enantioseparation of four basic drugs (propranolol, metoprolol, amlodipine and chlorpheniramine). The optimum separation conditions were obtained by optimizing the pH of the buffer, the concentration of organic modifier, the concentration of the chiral selector and the voltage, and the resolution and peak shape were significantly improved compared with uncoated bare-fused column. The stability and reproducibility of the new capillary column were satisfactory and the relative standard deviation of intra-day and inter-day was <3.2%, and of column-to-column was <4.8%. The rich functional groups of GO are key factors to improve the enantioseparation efficiency, which also indicates that nanomaterials with easy modification of functional groups and large specific surface area are excellent resources for capillary modification applications.
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Affiliation(s)
- Shiyuan Zhao
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Panden Miao
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Jian Zhang
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Jie Gan
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Yingxiang Du
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Cheng Chen
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Xiaodong Sun
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Zijie Feng
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Xiaofei Ma
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Mingxuan Ma
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Ying Xi
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
| | - Wen Ding
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, No. 24 Tongjiaxiang, Nanjing 210009, P. R. China
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Guo S, Huang C, Zhang N, Ma S, Bo C, Gong B, Ou J. Enantioseparation in high performance liquid chromatography: preparation and evaluation of a vancomycin-based chiral stationary phase via surface-initiated atom transfer radical polymerization. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1221-1231. [PMID: 35237778 DOI: 10.1039/d2ay00108j] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A chromatographic technique based on a chiral stationary phase (CSP) has been explored for enantioseparation. Herein, poly(glycidyl methacrylate) (poly(GMA)) brushes were grafted on the surface of silica gel via surface-initiated atom transfer radical polymerization (SI-ATRP), followed by the introduction of vancomycin as a chiral selector. The as-synthesized material was characterized by elemental analysis, scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) and thermogravimetric analysis (TGA), proving the formation of vancomycin-immobilized brushes. Then the resulting CSP was explored to separate 7 racemic drugs (bicalutamide, 1-benzyl-5-phenylbarbituric acid, chlorpheniramine maleate, fluoxetine hydrochloride, verapamil hydrochloride, benzoxazocine hydrochloride and isoprenaline hydrochloride) in high performance liquid chromatography (HPLC). Several factors affecting the enantioseparation performance of the vancomycin-immobilized CSP, including the triethylamine (TEA) content in the buffer, pH value, content of organic solvent in the mobile phase, flow rate and injection volume, were mainly optimized. Under the optimal conditions, baseline separation of fluoxetine hydrochloride (RS = 2.52) was achieved, which was better than that on a commercial Chirobiotic V column, while enantioseparation of bicalutamide (RS = 1.01), chlorpheniramine maleate (RS = 0.77), 1-benzyl-5-phenylbarbituric acid (RS = 0.67), isoprenaline hydrochloride (RS = 0.73), verapamil hydrochloride (RS = 0.91) and benzoxazocine hydrochloride (RS = 1.03) was partly achieved. It was concluded that SI-ATRP is a robust way to fabricate vancomycin-based CSPs for enantioseparation.
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Affiliation(s)
- Siyu Guo
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan 750021, China.
| | - Chao Huang
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan 750021, China.
| | - Ning Zhang
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan 750021, China.
| | - Shujuan Ma
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Chunmiao Bo
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan 750021, China.
| | - Bolin Gong
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan 750021, China.
| | - Junjie Ou
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan 750021, China.
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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Zhong Z, Zhu M, Chu Z, Ren X, Tu B, Zhang W, Zhang L. Preparation and evaluation of ultra-long open-tubular capillary columns modified with Zeolitic Imidazolate Framework-8 incorporated polymeric porous layer for liquid chromatography. J Chromatogr A 2022; 1668:462880. [DOI: 10.1016/j.chroma.2022.462880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/24/2022] [Accepted: 02/03/2022] [Indexed: 10/19/2022]
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Microwave-Assisted Synthesis of Modified Glycidyl Methacrylate-Ethyl Methacrylate Oligomers, Their Physico-Chemical and Biological Characteristics. Molecules 2022; 27:molecules27020337. [PMID: 35056652 PMCID: PMC8779268 DOI: 10.3390/molecules27020337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/28/2021] [Accepted: 01/04/2022] [Indexed: 12/04/2022] Open
Abstract
In this study, well-known oligomers containing ethyl methacrylate (EMA) and glycidyl methacrylate (GMA) components for the synthesis of the oligomeric network [P(EMA)-co-(GMA)] were used. In order to change the hydrophobic character of the [P(EMA)-co-(GMA)] to a more hydrophilic one, the oligomeric chain was functionalized with ethanolamine, xylitol (Xyl), and L-ornithine. The oligomeric materials were characterized by nuclear magnetic resonance and Fourier transform infrared spectroscopy, scanning electron microscopy, and differential thermogravimetric analysis. In the final stage, thanks to the large amount of -OH groups, it was possible to obtain a three-dimensional hydrogel (HG) network. The HGs were used as a matrix for the immobilization of methylene blue, which was chosen as a model compound of active substances, the release of which from the matrix was examined using spectrophotometric detection. The cytotoxic test was performed using fluid extracts of the HGs and human skin fibroblasts. The cell culture experiment showed that only [P(EMA)-co-(GMA)] and [P(EMA)-co-(GMA)]-Xyl have the potential to be used in biomedical applications. The studies revealed that the obtained HGs were porous and non-cytotoxic, which gives them the opportunity to possess great potential for use as an oligomeric network for drug reservoirs in in vitro application.
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Sun G, Tang W, Lu Y, Row KH. Enantioseparation by simultaneous biphasic recognition using mobile phase additive and chiral stationary phase in capillary electrochromatography. J Chromatogr A 2022; 1666:462856. [DOI: 10.1016/j.chroma.2022.462856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 01/21/2022] [Accepted: 01/25/2022] [Indexed: 10/19/2022]
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Bao W, Zhang C, Yang M, Nan D, Liu T, Guo X, Fang L. Preparation and modeling study of novel carboxymethyl-β-cyclodextrin silica hybrid monolithic column for enantioseparations in capillary electrochromatography. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106719] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Zhao Y, Si H, Zhao X, Li H, Ren J, Li S, Wang Q, Zhang J. Fabrication of an allyl-β-cyclodextrin based monolithic column with triallyl isocyanurate as co-crosslinker and its application in separation of lipopeptide antibiotics by HPLC. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106462] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Wang X, Li H, Quan K, Zhao L, Li Z, Qiu H. Anhydride-linked β-cyclodextrin-bonded silica stationary phases with enhanced chiral separation ability in liquid chromatography. J Chromatogr A 2021; 1651:462338. [PMID: 34153735 DOI: 10.1016/j.chroma.2021.462338] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 01/25/2023]
Abstract
β-Cyclodextrin can be functionalized by derivation of reactive hydroxyl on the ring due to its special chiral environment and structural characteristics, which can be used to identify or separate a variety of chiral substance. In this manuscript, a series of excellent chiral stationary phases for high-performance liquid chromatography were developed for enantioseparation by using anhydride modified β-cyclodextrin bearing chiral (R/S)-α-phenethylamine or (S)-(+)-2-amino-1-propanol. They were characterized by elemental analysis, Fourier transform infrared spectra (FT-IR), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and BET. These chiral stationary phases presented good resolution and repeatability, about 17 kinds of enantiomers were effectively separated. And most of enantiomers were separated better than those reported in the literature in the same both normal and reversed phase modes. The RSD values of Rs for repeatability and column-to-column were below 0.44% and 2.83%, respectively. All results revealed that these new CSPs show great prospect for chiral separation in actual applications.
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Affiliation(s)
- Xiaoping Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China; CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Hui Li
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Kaijun Quan
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Liang Zhao
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
| | - Zuguang Li
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Hongdeng Qiu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; College of Chemistry, Zhengzhou University, Zhengzhou 450001, China; School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China.
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Deng M, Xue M, Liu Y, Zhao M. Preparation of a novel hydroxypropyl-γ-cyclodextrin functionalized monolith for separation of chiral drugs in capillary electrochromatography. Chirality 2021; 33:188-195. [PMID: 33604997 DOI: 10.1002/chir.23300] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 12/02/2020] [Accepted: 01/19/2021] [Indexed: 12/22/2022]
Abstract
In this study, a novel hydroxypropyl-γ-cyclodextrin (HP-γ-CD) functionalized monolithic capillary column was prepared by one-pot sequential strategy and used for chiral separation in capillary electrochromatography for the first time. In one pot, GMA-HP-γ-CD as functional monomer was allowed to be formed via the ring opening reaction between HP-γ-CD and glycidyl methacrylate (GMA) catalyzed by 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) and then copolymerized directly with ethylene dimethacrylate (EDMA) and 2-acrylamido-2-methyl propane sulfonic acid (AMPS) in the presence of porogenic solvents via thermally initiated free radical polymerization. The preparation conditions of monoliths were optimized. Enantiomer separations of six chiral drugs including pindolol, clorprenaline, tulobuterol, clenbuterol, propranolol, and tropicamide were achieved on the monolith. Among them, pindolol, clorprenaline, and tropicamide were baseline separated with resolution values of 1.62, 1.73, and 1.55, respectively. The mechanism of enantiomer separation was discussed by comparison of the HP-γ-CD and HP-β-CD functionalized monoliths.
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Affiliation(s)
- Miaoduo Deng
- College of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Mengyao Xue
- College of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Yanru Liu
- College of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
| | - Min Zhao
- College of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
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Cyclodextrins as mobile phase additives in open-tubular admicellar electrochromatography for achiral and chiral separations. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105763] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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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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Ma M, Chen C, Zhu X, Li X, Du Y, Zhang L, Gan J. A porous layer open-tubular capillary column supported with pepsin and zeolitic imidazolate framework for enantioseparation of four basic drugs in capillary electrochromatography. J Chromatogr A 2020; 1637:461866. [PMID: 33422798 DOI: 10.1016/j.chroma.2020.461866] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/23/2020] [Accepted: 12/28/2020] [Indexed: 12/18/2022]
Abstract
New material zeolitic imidazolate framework-4, 5-imidazoledicarboxylic acid (ZIF-IMD) located on the pore surface of porous layer open-tubular (PLOT) column previously functionalized with N-(3-aminopropyl)-imidazole have been prepared via a layer-by-layer self-assembly strategy. This new ZIF-IMD coating hybrids are used as solid-phase carriers for chiral selector pepsin immobilization. The ZIF-IMD material was characterized by scanning electron microscopy, energy-dispersive spectroscopy, transmission electron microscope and X-ray diffraction. The synthesized pepsin@ZIF-IMD@POLT column achieved the baseline separation of hydroxychloroquine (HCQ), chloroquine (CHQ) and hydroxyzine (HXY) (the resolution of HCQ: 2.19; CHQ: 1.84; HXY: 1.53). Compared with the pepsin@PLOT column (without ZIF-IMD material), the chiral separation capability of the pepsin@ZIF-IMD@POLT column can be remarkably improved. Several key parameters including concentration of chiral selector, buffer pH, applied voltage and buffer concentration were systematically evaluated to provide the optimal enantioseparation condition. The relative standard deviations (RSDs) of intra-day, inter-day, column-to-column and inter-batch of migration time and Rs of the HCQ were evaluated in detail, respectively (RSD < 7.21%). Additionally, the potential mechanism of increased resolution was discussed in the article.
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Affiliation(s)
- Mingxuan Ma
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, Nanjing 210009, PR China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China
| | - Cheng Chen
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, Nanjing 210009, PR China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China
| | - Xinqi Zhu
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, Nanjing 210009, PR China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China
| | - Xiaoqi Li
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210028, PR China.
| | - Yingxiang Du
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, Nanjing 210009, PR China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China.
| | - Liu Zhang
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, Nanjing 210009, PR China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China
| | - Jie Gan
- Key Laboratory of Drug Quality Control and Pharmacovigilance (Ministry of Education), China Pharmaceutical University, Nanjing 210009, PR China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, PR China
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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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14
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Zhou L, Liu B, Guan J, Jiang Z, Guo X. Preparation of sulfobutylether β-cyclodextrin-silica hybrid monolithic column, and its application to capillary electrochromatography of chiral compounds. J Chromatogr A 2020; 1620:460932. [DOI: 10.1016/j.chroma.2020.460932] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 01/26/2020] [Accepted: 01/27/2020] [Indexed: 01/09/2023]
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Highly efficient preparation of β-CD-based chiral monolithic column by "one-pot" hydroxymethyl polycondensation for enantioseparation in capillary liquid chromatography. J Chromatogr A 2020; 1616:460781. [PMID: 31858997 DOI: 10.1016/j.chroma.2019.460781] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 11/22/2019] [Accepted: 12/09/2019] [Indexed: 01/01/2023]
Abstract
A facile strategy for highly efficient fabrication of chiral monolithic column was carried out by the simple "one-pot" hydroxymethyl polycondensation of native β-cyclodextrin (β-CD) and urea-formaldehyde (UF). In-situ rapid substitution of native β-CD and efficient polycondensation of β-CD products and UF oligomers was proposed and fulfilled in one pot. The feasibility, mechanism and key parameters of polycondensation reaction were discussed. The data on crosslinking polycondensation and reaction kinetics were further evaluated. Characteristics including the morphologies, permeability and structure stability of the resultant monolithic columns were also studied. Under the optimal conditions, the "one-pot" hydroxymethyl polycondensation was accomplished in an aqueous solution within only 10 mins. Satisfactory stability and repeatability were gained, and good enantioseparation of eight model enantiomers was successfully achieved with the resultant β-CD-based monolith. It was simple and highly efficient, and the organic solvents, special CD derivatives and tediously long-time polymerization reaction were successfully avoided, which might light a new access to rapid preparation of CD-chiral monolith for high-performance enantioseparation.
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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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Hu LF, Yin SJ, Zhang H, Yang FQ. Recent developments of monolithic and open-tubular capillary electrochromatography (2017-2019). J Sep Sci 2020; 43:1942-1966. [PMID: 31909566 DOI: 10.1002/jssc.201901168] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/26/2019] [Accepted: 12/28/2019] [Indexed: 12/21/2022]
Abstract
Capillary electrochromatography, which combined the high selectivity of high-performance liquid chromatography and the high separation efficiency of capillary electrophoresis, is an attractive separation tool. In this review, the developments on monolithic and open tubular capillary electrochromatography during 2017 to August 2019 are summarized. Considering the development of novel stationary phases is the most active research field in capillary electrochromatography, monolithic capillary electrochromatography is classified according to the polymer-based and hybrid monolithic columns, while open-tubular capillary electrochromatography is categorized by cyclodextrin, silica, polymer, nanomaterials, microporous materials, and biomaterials-based open tubular columns.
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Affiliation(s)
- Lin-Feng Hu
- Chongqing Key Laboratory of Medicinal Resources in the Three Gorges Reservoir Region, School of Biological and Chemical Engineering, Chongqing University of Education, Chongqing, P.R. China
| | - Shi-Jun Yin
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, P.R. China
| | - Hao Zhang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, P.R. China
| | - Feng-Qing Yang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, P.R. China
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Zhang C, Qu J, Lv X, Zhang J, Fang L. A novel open‐tubular capillary electrochromatography using carboxymethyl‐β‐cyclodextrin functionalized gold nanoparticles as chiral stationary phase. J Sep Sci 2019; 43:946-953. [DOI: 10.1002/jssc.201900733] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/24/2019] [Accepted: 11/26/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Chenning Zhang
- Institute of Wudang Traditional Chinese MedicineTaihe hospitalHubei University of Medicine Shiyan P. R. China
| | - Jialin Qu
- Clinical Laboratory of Integrative MedicineThe first affiliated hospital of Dalian Medical University Dalian P. R. China
| | - Xiaoyuan Lv
- College of PharmacyDalian Medical University Dalian Liaoning Province P. R. China
| | - Jianbin Zhang
- College of PharmacyDalian Medical University Dalian Liaoning Province P. R. China
| | - Linlin Fang
- College of PharmacyDalian Medical University Dalian Liaoning Province P. R. China
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19
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Wang Y, Zhuo S, Hou J, Li W, Ji Y. Construction of β-Cyclodextrin Covalent Organic Framework-Modified Chiral Stationary Phase for Chiral Separation. ACS APPLIED MATERIALS & INTERFACES 2019; 11:48363-48369. [PMID: 31794183 DOI: 10.1021/acsami.9b16720] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Chiral covalent organic frameworks (CCOFs), built by the condensation reactions of organic building blocks with enantiomeric purity and linking subunits, have emerged as a marvelous category of porous crystalline material. In addition to stability and good porosity, CCOFs possess remarkable enantioselectivity, which would be exploited for asymmetric catalysis and chiral separation. β-cyclodextrin (β-CD) and its derivatives, a group of supramolecules with a hydrophobic cavity, have been widely applied to molecular specific recognitions. In this work, the β-CD covalent organic framework (COF) was exploited to construct chiral stationary phase (CSP) for chiral drugs analysis for the first time. We fabricated β-CD COF via the condensation reaction of heptakis(6-amino-6-deoxy)-β-CD and terephthalaldehyde at room temperature. β-CD COF-modified capillary columns were subsequently prepared by a photopolymerization method with shortened time and applied for separation of chiral drugs on capillary electrochromatography with good resolution and repeatability. Baseline separation for six enantiomers was achieved and the precisions (relative standard deviations) for intraday, interday, and column-to-column were <2.1%, 4.5%, and 7.3%, respectively. The results reveal that CCOFs-coated capillary columns show great prospect for chromatographic separation of chiral drugs.
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Affiliation(s)
- Yuying Wang
- Department of Analytical Chemistry , China Pharmaceutical University , Nanjing 210009 , China
- Key Laboratory of Drug Quality Control and Pharmacovigilance , Ministry of Education , Nanjing 210009 , China
| | - SiQi Zhuo
- Department of Analytical Chemistry , China Pharmaceutical University , Nanjing 210009 , China
- Key Laboratory of Drug Quality Control and Pharmacovigilance , Ministry of Education , Nanjing 210009 , China
| | - Jingwen Hou
- Department of Analytical Chemistry , China Pharmaceutical University , Nanjing 210009 , China
- Key Laboratory of Drug Quality Control and Pharmacovigilance , Ministry of Education , Nanjing 210009 , China
| | - Wang Li
- Department of Analytical Chemistry , China Pharmaceutical University , Nanjing 210009 , China
- Key Laboratory of Drug Quality Control and Pharmacovigilance , Ministry of Education , Nanjing 210009 , China
| | - Yibing Ji
- Department of Analytical Chemistry , China Pharmaceutical University , Nanjing 210009 , China
- Key Laboratory of Drug Quality Control and Pharmacovigilance , Ministry of Education , Nanjing 210009 , China
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20
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Ding W, Yu T, Du Y, Sun X, Feng Z, Zhao S, Ma X, Ma M, Chen C. A metal organic framework-functionalized monolithic column for enantioseparation of six basic chiral drugs by capillary electrochromatography. Mikrochim Acta 2019; 187:51. [DOI: 10.1007/s00604-019-3998-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 11/03/2019] [Indexed: 01/19/2023]
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21
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Mu Y, Wu X, Huang YP, Liu ZS. Investigation of deep eutectic solvents as additives to β-CD for enantiomeric separations of Zopiclone, Salbutamol, and Amlodipine by CE. Electrophoresis 2019; 40:1992-1995. [PMID: 31111972 DOI: 10.1002/elps.201900067] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 05/11/2019] [Accepted: 05/18/2019] [Indexed: 11/11/2022]
Abstract
The enantioseparation of chiral drugs via CE was first investigated using β-CD as chiral additive and deep eutectic solvents (DESs) as auxiliary additive. The results showed that improved separation of tested chiral drugs was obtained in the presence of DESs and β-CD compared to the single β-CD separation system. With the optimized condition, resolutions of DESs applied β-CD separation system for rac-Zopiclone, rac-Salbutamol, and rac-Amlodipine increased 3-4.2 times as single β-CD separation system. The resolutions reached 4.74, 6.37, and 9.67, respectively. The results demonstrate that DESs are viable additives to CD system in CE for the separation of the chiral drugs.
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Affiliation(s)
- Yi Mu
- Department of Pharmacy, The Second Hospital, Tianjin Medical University, Tianjin, P. R. China
| | - Xi Wu
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, P. R. China.,Department of Chemistry, Changzhi University, Changzhi, P. R. China
| | - Yan-Ping Huang
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, P. R. China
| | - Zhao-Sheng Liu
- Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics (Theranostics), School of Pharmacy, Tianjin Medical University, Tianjin, P. R. China
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22
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Jiang Z, Qu J, Tian X, Huo X, Zhang J, Guo X, Fang L. Sol-gel technique for the preparation of β-cyclodextrin gold nanoparticles as chiral stationary phase in open-tubular capillary electrochromatography. J Sep Sci 2019; 42:1948-1954. [PMID: 30919564 DOI: 10.1002/jssc.201900071] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/14/2019] [Accepted: 03/15/2019] [Indexed: 01/05/2023]
Abstract
A novel open-tubular capillary electrochromatography column coated with β-cyclodextrin was prepared using the sol-gel technique. In the sol-gel approach, owing to the three-dimensional network of sol-gel and the strong chemical bond between the stationary phase and the surface of capillary columns, good chromatographic characteristics and unique selectivity in separating enantiomers were shown. The influences of capillary inner diameter, coating time, organic modifier, buffer pH, and buffer concentration on separation were investigated. The sol-gel-coated β-cyclodextrin column has shown improved enantioseparation efficiency of chlorphenamine, brompheniramine, pheniramine, zopiclone in comparison with the sol-gel matrix capillary column. The migration time relative standard deviation of the separation of the enantiomers was less than 0.89% over five runs and 2.9% from column to column. This work confirmed that gold nanoparticles are promising electrochromatographic support to enhance the phase ratio of open-tubular capillary electrochromatography column in capillary electrochromatography.
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Affiliation(s)
- Zhen Jiang
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, P. R. China
| | - Jialin Qu
- Clinical Laboratory of Integrative Medicine, The first affiliated hospital of Dalian Medical University, Dalian, P. R. China
| | - Xiangge Tian
- College of Pharmacy, Dalian Medical University, Dalian, Liaoning Province, P. R. China
| | - Xiaokui Huo
- College of Pharmacy, Dalian Medical University, Dalian, Liaoning Province, P. R. China
| | - Jianbin Zhang
- College of Pharmacy, Dalian Medical University, Dalian, Liaoning Province, P. R. China
| | - Xingjie Guo
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, P. R. China
| | - Linlin Fang
- College of Pharmacy, Dalian Medical University, Dalian, Liaoning Province, P. R. China
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