1
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Barrientos RC, Singh AN, Ukaegbu O, Hemida M, Wang H, Haidar Ahmad I, Hu H, Dunn ZD, Appiah-Amponsah E, Regalado EL. Two-Dimensional SEC-SEC-UV-MALS-dRI Workflow for Streamlined Analysis and Characterization of Biopharmaceuticals. Anal Chem 2024; 96:4960-4968. [PMID: 38436624 DOI: 10.1021/acs.analchem.3c05969] [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: 03/05/2024]
Abstract
The emergence of complex biological modalities in the biopharmaceutical industry entails a significant expansion of the current analytical toolbox to address the need to deploy meaningful and reliable assays at an unprecedented pace. Size exclusion chromatography (SEC) is an industry standard technique for protein separation and analysis. Some constraints of traditional SEC stem from its restricted ability to resolve complex mixtures and notoriously long run times while also requiring multiple offline separation conditions on different pore size columns to cover a wider molecular size distribution. Two-dimensional liquid chromatography (2D-LC) is becoming an important tool not only to increase peak capacity but also to tune selectivity in a single online method. Herein, an online 2D-LC framework in which both dimensions utilize SEC columns with different pore sizes is introduced with a goal to increase throughput for biomolecule separation and characterization. In addition to improving the separation of closely related species, this online 2D SEC-SEC approach also facilitated the rapid analysis of protein-based mixtures of a wide molecular size range in a single online experimental run bypassing time-consuming deployment of different offline SEC methods. By coupling the second dimension with multiangle light scattering (MALS) and differential refractive index (dRI) detectors, absolute molecular weights of the separated species were obtained without the use of calibration curves. As illustrated in this report for protein mixtures and vaccine processes, this workflow can be used in scenarios where rapid development and deployment of SEC assays are warranted, enabling bioprocess monitoring, purity assessment, and characterization.
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Affiliation(s)
- Rodell C Barrientos
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Andrew N Singh
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Ophelia Ukaegbu
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Mohamed Hemida
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Heather Wang
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Imad Haidar Ahmad
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Hang Hu
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Zachary D Dunn
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Emmanuel Appiah-Amponsah
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
| | - Erik L Regalado
- Analytical Research and Development, MRL, Merck & Co., Inc., 126 E. Lincoln Avenue, Rahway, New Jersey 07065, United States
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2
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Dai Y, Zhang H, Wang X, Chen Y, Fu Q, Jin Y, Liang X. Efficient strategies for preparative separation of iridoid glycosides and flavonoid glycosides from Hedyotis diffusa. J Sep Sci 2023; 46:e2300029. [PMID: 36880199 DOI: 10.1002/jssc.202300029] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 02/21/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023]
Abstract
Efficient strategies for the preparative separation of iridoid glycosides and flavonoid glycosides from Hedyotis diffusa using preparative high-performance liquid chromatography combined with appropriate pretreatment technologies were developed. Four fractions (Fr.1-1, Fr.1-2, Fr.1-3, and Fr.2-1) were firstly isolated from the crude extract of Hedyotis diffusa by column chromatography with C18, resin, and silica gel materials, respectively. Then, corresponding separation strategies were developed according to the polarity and chemical constituents. High-polar compounds of Fr.1-1 were purified by hydrophilic reversed-phase liquid chromatography and hydrophilic interaction liquid chromatography mode. The combination of C18 and phenyl columns realized the complementary separation of iridoid glycosides in Fr.1-2. Meanwhile, the improved selectivity caused by the change of organic solvent in the mobile phase was utilized to realize the purification of flavonoid glycosides in Fr.1-3 and Fr. 2-1. Finally, 27 compounds (purity > 95%) mainly involving nine iridoid glycosides and five flavonoid glycosides were obtained. A complete strategy was established for the separation of a complex sample with a wide polarity range, to jointly solve the problems of enrichment of target components and separation of structural analogs.
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Affiliation(s)
- Yingping Dai
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Hongzhi Zhang
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Xinhe Wang
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Yanchun Chen
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Qing Fu
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Yu Jin
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China
| | - Xinmiao Liang
- Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, School of Pharmacy, East China University of Science and Technology, Shanghai, P. R. China.,CAS Key Laboratory of Separation Sciences for Analytical Chemistry, Chinese Academy of Sciences, Dalian Institute of Chemical Physics, Dalian, P. R. China
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3
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Xu Y, Liu Y, Zhou H, Wang R, Yu D, Guo Z, Liang X. A guide of column selection for two-dimensional liquid chromatography method development of natural alkaloids. Talanta 2023; 251:123738. [DOI: 10.1016/j.talanta.2022.123738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/04/2022] [Accepted: 07/11/2022] [Indexed: 11/16/2022]
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4
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Shen A, Zhou W, Xiong L, Jin H, Yu L, Wu H, Yu W, Yu D, Guo Z, Liu Y, Liang X. Chemical profiling of Qingfei Paidu Decoction by triplex off-line two-dimensional liquid chromatography coupled with quadrupole time-of-flight mass spectrometry. J Sep Sci 2022; 45:1162-1169. [PMID: 35000274 DOI: 10.1002/jssc.202100587] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 01/01/2022] [Accepted: 01/04/2022] [Indexed: 11/07/2022]
Abstract
Qingfei Paidu Decoction is a Chinese medicine formula which has been proved effective in the treatment of Coronavirus Disease 2019. However, the comprehensive separation and characterization of Qingfei Paidu Decoction is of great challenge due to the diversity of chemical components in a wide range of polarity. In this study, a triplex off-line two-dimensional liquid chromatography (LC) coupled with quadrupole time-of-flight mass spectrometry (MS) is developed for the analysis of Qingfei Paidu Decoction. One reversed phase LC×hydrophilic interaction LC system and two reversed phase LC×reversed phase LC systems were constructed to separate polar components and weak-polar components in Qingfei Paidu Decoction, respectively. Benefiting from the good orthogonality of two-dimensional LC and high sensitivity of quadrupole time-of-flight MS, chemical components with different polarities and content were discovered. A total of 749 peaks were detected in positive and negative ionization mode, and presented as a four-dimensional data plot. Meanwhile, 498 compounds belonging to 14 categories were tentatively identified. These results provide good supplementary to elucidate the material basis of Qingfei Paidu Decoction. The triplex off-line two-dimensional LC-quadrupole time-of-flight MS strategy can be a powerful and efficient tool for the separation and characterization of chemical substances in traditional Chinese medicine formulas. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Aijin Shen
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P. R. China
- Ganjiang Chinese Medicine Innovation Center, Jiangxi, P. R. China
| | - Weijia Zhou
- College of Fisheries and Life Science, Dalian Ocean University, Dalian, P. R. China
| | - Lele Xiong
- Ganjiang Chinese Medicine Innovation Center, Jiangxi, P. R. China
| | - Hongli Jin
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P. R. China
- Ganjiang Chinese Medicine Innovation Center, Jiangxi, P. R. China
| | - Long Yu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P. R. China
| | - Huimin Wu
- Ganjiang Chinese Medicine Innovation Center, Jiangxi, P. R. China
| | - Wenyi Yu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P. R. China
| | - Dongping Yu
- Ganjiang Chinese Medicine Innovation Center, Jiangxi, P. R. China
| | - Zhimou Guo
- Ganjiang Chinese Medicine Innovation Center, Jiangxi, P. R. China
| | - Yanfang Liu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P. R. China
- Ganjiang Chinese Medicine Innovation Center, Jiangxi, P. R. China
| | - Xinmiao Liang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, P. R. China
- Ganjiang Chinese Medicine Innovation Center, Jiangxi, P. R. China
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5
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Chen C, Zhao J, Chen J, Chi M, Liu Y. Separation of 3-Hydroxy-3-Methylglutaryl Flavonoid Glycosides from Oxytropis falcata Using 2D Preparative Chromatography. J Chromatogr Sci 2020; 58:211-216. [DOI: 10.1093/chromsci/bmz091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 09/22/2019] [Accepted: 09/27/2019] [Indexed: 11/12/2022]
Abstract
Abstract
Oxytropis falcata Bunge, known as “the King of Herbs” in Tibetan medicine, is used for treatment of hyperpyrexia, pain, wounds, inflammation and anthrax. However, it is difficult to isolate compound with high-purity from O. falcata because of its complexity. In this work, an efficient method was successfully established for the separation of 3-hydroxy-3-methylglutaryl (HMG) flavonoid glycosides from O. falcata by 2D preparative chromatography (2D-HPLC). An ODS C18 preparative column was used for the first-dimension preparation, and the XCharge C18 preparative column with different separation selectivity to the ODS C18 stationary phase was used for the second-dimension preparation. Four HMG flavonoid glycosides (oxytroflavosides A–D) and two flavonoid glycosides (oxytroflavosides F and G) were separated with purities over 98%. Their structures were elucidated by nuclear magnetic resonance spectroscopy. The 2D-HPLC method used in this study is effective for preparative separation of HMG flavonoid glycosides from O. falcata. Additionally, this method shows great potential for the separation of flavonoid glycosides from other plant extracts.
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Affiliation(s)
- Chen Chen
- Key Laboratory of Tibetan Medicine Pharmacology and Safety Evaluation, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, 23 Xinning road, Xining 810001, P. R. China
| | - Jingyang Zhao
- Key Laboratory of Tibetan Medicine Pharmacology and Safety Evaluation, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, 23 Xinning road, Xining 810001, P. R. China
| | - Jilin Chen
- Key Laboratory of Tibetan Medicine Pharmacology and Safety Evaluation, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, 23 Xinning road, Xining 810001, P. R. China
| | - Ming Chi
- Institute of Light Industry in Qinghai Province, 2 Qingnian road, Xining 810008, P.R. China
| | - Yuchao Liu
- Institute of Light Industry in Qinghai Province, 2 Qingnian road, Xining 810008, P.R. China
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6
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Zhao WJ, Chen XY, Liu YQ, Li P, Li HJ. Liquid chromatographic separation of alkaloids in herbal medicines: Current status and perspectives. J Sep Sci 2020; 43:1755-1772. [PMID: 32160388 DOI: 10.1002/jssc.202000081] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/07/2020] [Accepted: 03/08/2020] [Indexed: 12/27/2022]
Abstract
Alkaloids are a widespread group of basic compounds in herbal medicines and have attracted great interest due to various pharmaceutical activities and desirable druggability. Their distinctive structures make chromatographic separation fairly difficult. Peak tailing, poor resolution, and inferior column-to-column reproducibility are common obstacles to overcome. In order to provide a valuable reference, the methodologies and/or strategies on liquid chromatographic separation of alkaloids in herbal medicines proposed from 2012 to 2019 are thoroughly summarized.
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Affiliation(s)
- Wen-Jing Zhao
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, P.R. China
| | - Xu-Yan Chen
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, P.R. China
| | - Yu-Qian Liu
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, P.R. China
| | - Ping Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, P.R. China
| | - Hui-Jun Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, P.R. China
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7
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Zhou W, Liu Y, Wang J, Guo Z, Shen A, Liu Y, Liang X. Application of two‐dimensional liquid chromatography in the separation of traditional Chinese medicine. J Sep Sci 2019; 43:87-104. [DOI: 10.1002/jssc.201900765] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/16/2019] [Accepted: 10/20/2019] [Indexed: 01/19/2023]
Affiliation(s)
- Weijia Zhou
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
- College of Fisheries and Life ScienceDalian Ocean University Dalian P. R. China
| | - Yanming Liu
- Shandong Institute of Food and Drug Control Jinan P. R. China
| | - Jixia Wang
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
| | - Zhimou Guo
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
| | - Aijin Shen
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
| | - Yanfang Liu
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
| | - Xinmiao Liang
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
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8
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Sun Y, Li P, Wang T, Qin L, Cheng G, Shen L, Yao X, Wei S, Jiang J, Lei F. Alkaloid purification using rosin-based polymer-bonded silica stationary phase in HPLC. J Sep Sci 2019; 42:3646-3652. [PMID: 31613051 DOI: 10.1002/jssc.201900835] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 09/21/2019] [Accepted: 10/10/2019] [Indexed: 01/25/2023]
Abstract
Alkaloids are important natural products that exhibit a wide spectrum of pharmacological activities. To efficiently separate and purify them, a rosin-based polymer-bonded silica stationary phase in high-performance liquid chromatography was synthesized via the surface radical polymerization of ethylene glycol maleic rosinate acrylate and methacrylic acid onto functionalized silica. The stationary phases, columns, optimization of chromatographic conditions for alkaloids, and thermodynamic behavior of the analytes on the column were fully studied. Under the optimized conditions, the prepared column efficiently purified natural camptothecine, caffeine, and evodiamine with the corresponding purities of 92, 96, and 97%. With this work, we have developed an efficient approach to isolate alkaloids and promoted the research on rosin-based materials in biomedicine and analytical chemistry.
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Affiliation(s)
- Yao Sun
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Key Laboratory of Chemistry and Engineering of Forests Products, Nanning, P. R. China
| | - Pengfei Li
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Key Laboratory of Chemistry and Engineering of Forests Products, Nanning, P. R. China
| | - Ting Wang
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Key Laboratory of Chemistry and Engineering of Forests Products, Nanning, P. R. China
| | - Liting Qin
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Key Laboratory of Chemistry and Engineering of Forests Products, Nanning, P. R. China
| | - Gege Cheng
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Key Laboratory of Chemistry and Engineering of Forests Products, Nanning, P. R. China
| | - Liqun Shen
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Key Laboratory of Chemistry and Engineering of Forests Products, Nanning, P. R. China
| | - Xingdong Yao
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Key Laboratory of Chemistry and Engineering of Forests Products, Nanning, P. R. China
| | - Shaoping Wei
- Guangxi Research Institute of Chemical Industry Co. Ltd., Nanning, P. R. China
| | - Jianxin Jiang
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Key Laboratory of Chemistry and Engineering of Forests Products, Nanning, P. R. China
| | - Fuhou Lei
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Guangxi Key Laboratory of Chemistry and Engineering of Forests Products, Nanning, P. R. China
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9
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Pan G, Shen J, Ma Y, He Y, Bao Y, Li R, Wang S, Wang Q, Lin P, Dang J. Preparative separation of isoquinoline alkaloids from Corydalis impatiens using a middle-pressure chromatogram isolated gel column coupled with two-dimensional liquid chromatography. J Sep Sci 2019; 42:3182-3190. [PMID: 31429171 DOI: 10.1002/jssc.201900252] [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: 03/11/2019] [Revised: 07/24/2019] [Accepted: 08/15/2019] [Indexed: 01/24/2023]
Abstract
We established a two-dimensional strong cation exchange/reversed-phase liquid chromatography protocol to isolate and purify isoquinoline alkaloids from Corydalis impatiens. Isoquinoline alkaloids were first enriched from a C. impatiens extract in which liposoluble components were removed using a medium-pressure chromatographic tower containing middle chromatogram isolated gel. A strong cation exchange column was employed to separate and obtain 30 fractions. We chose fractions 22-29 for reversed-phase liquid chromatography purification using characteristic isoquinoline alkaloid ultraviolet absorption spectra. Several isoquinoline alkaloid fractions (22-29) were further separated, and those of low resolution were isolated via two-dimensional liquid chromatography in the orthogonal plane. A total of eight novel isoquinoline alkaloids with characteristic ultraviolet spectra were obtained from C. impatiens. We thus demonstrate the benefits of off-line two-dimensional strong cation exchange/reversed-phase liquid chromatography to isolate isoquinoline alkaloids from C. impatiens.
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Affiliation(s)
- Guoqing Pan
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, Qinghai Nationalities University, Xining, Qinghai, P. R. China
| | - Jianwei Shen
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, P. R. China
| | - Yuhua Ma
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, Qinghai Nationalities University, Xining, Qinghai, P. R. China
| | - Yanfeng He
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, Qinghai Nationalities University, Xining, Qinghai, P. R. China
| | - Yi Bao
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, Qinghai Nationalities University, Xining, Qinghai, P. R. China
| | - Rongrong Li
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, Qinghai Nationalities University, Xining, Qinghai, P. R. China
| | - Shunshan Wang
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, Qinghai Nationalities University, Xining, Qinghai, P. R. China
| | - Qi Wang
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, Qinghai Nationalities University, Xining, Qinghai, P. R. China
| | - Pengcheng Lin
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, Qinghai Nationalities University, Xining, Qinghai, P. R. China
| | - Jun Dang
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, P. R. China
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10
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Cui Y, Shao Y, Wang Q, Mei L, Tao Y. Purification of Flavonolignan Diastereoisomers from Arenaria kansuensis by Two-Dimensional Liquid Chromatography Combined with Solid-Phase Extraction. J Chromatogr Sci 2019; 57:418-425. [DOI: 10.1093/chromsci/bmz010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 12/24/2018] [Accepted: 01/15/2019] [Indexed: 01/05/2023]
Affiliation(s)
- Yulei Cui
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
- College of Life Science, University of Chinese Academy of Sciences, Beijing, P.R. China
| | - Yun Shao
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
| | - Qilan Wang
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
| | - Lijuan Mei
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
| | - Yanduo Tao
- Northwest Institute of Plateau Biology, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research, College of Life Science, Chinese Academy of Sciences, Xining, Qinghai, P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province, Xining, Qinghai, P.R. China
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11
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On-line HPLC-DPPH bioactivity-guided assay for isolated of antioxidative phenylpropanoids from Qinghai-Tibet Plateau medicinal plant Lancea tibetica. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1106-1107:1-10. [DOI: 10.1016/j.jchromb.2018.12.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 12/22/2018] [Accepted: 12/27/2018] [Indexed: 11/23/2022]
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12
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Du N, Zhou W, Jin H, Liu Y, Zhou H, Liang X. Characterization of tropane and cinnamamide alkaloids from
Scopolia tangutica
by high‐performance liquid chromatography with quadrupole time‐of‐flight tandem mass spectrometry. J Sep Sci 2019; 42:1163-1173. [DOI: 10.1002/jssc.201801201] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 01/05/2019] [Accepted: 01/05/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Nana Du
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
- University of Chinese Academy of Sciences Beijing P. R. China
| | - Weijia Zhou
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
- University of Chinese Academy of Sciences Beijing P. R. China
| | - Hongli Jin
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
| | - Yanfang Liu
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
| | - Han Zhou
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
| | - Xinmiao Liang
- Key Lab of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences Dalian P. R. China
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13
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Lin H, Wang Y, Wang T, Wu D, Li G, Deng C. Combined analysis of 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol and cotinine in urine by heart cutting two-dimensional LC-MS/MS. SEPARATION SCIENCE PLUS 2018. [DOI: 10.1002/sscp.201800117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Huaqing Lin
- Technology Center of Shanghai Tobacco Group; Shanghai P. R. China
- Department of Chemistry; Institutes of Biomedical Sciences; Fudan University; Shanghai P. R. China
| | - Yangzhong Wang
- Technology Center of Shanghai Tobacco Group; Shanghai P. R. China
| | - Tiannan Wang
- Technology Center of Shanghai Tobacco Group; Shanghai P. R. China
| | - Da Wu
- Technology Center of Shanghai Tobacco Group; Shanghai P. R. China
| | - Gang Li
- Technology Center of Shanghai Tobacco Group; Shanghai P. R. China
| | - Chunhui Deng
- Department of Chemistry; Institutes of Biomedical Sciences; Fudan University; Shanghai P. R. China
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14
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Long Z, Zhan Z, Guo Z, Li Y, Yao J, Ji F, Li C, Zheng X, Ren B, Huang T. A novel two-dimensional liquid chromatography - Mass spectrometry method for direct drug impurity identification from HPLC eluent containing ion-pairing reagent in mobile phases. Anal Chim Acta 2018; 1049:105-114. [PMID: 30612641 DOI: 10.1016/j.aca.2018.10.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Revised: 10/08/2018] [Accepted: 10/13/2018] [Indexed: 10/28/2022]
Abstract
In this study, a novel two dimensional liquid chromatography - mass spectrometry (2D-LC-MS) method with use of a weak anion exchange column between the 1st DLC RP column and the 2nd DLC RP column (RP1-WAX-RP2) was developed and applied to identify drug impurities from MS incompatible mobile phases containing sodium 1-octanesulfonate and non-volatile buffer. The 1st DLC conditions follow exactly the original standard HPLC method recorded in Chinese Pharmacopeia (ChP), European Pharmacopeia (EP) or US Pharmacopeia (USP). An impurity fraction was collected with a built-in sample loop (100 μL) and transferred to the WAX column where 1-octanesulfonate and phosphate were trapped and removed. While, the impurity and other cations were eluted to the 2nd D column (RP2) for separation and identification by connected IT-TOF MS. Methods were programmed and applied to identify impurities in two generic drugs, sulpiride (hydrophilic drug with logP 0.57) and dobutamine (hydrophobic drug with logP 3.6). The results indicate that the methods based on RP1-WAX-RP2 column configuration offer a feasible solution for direct impurity identification in generic drug product or API without needs of off-line desalting from the MS incompatible mobile phases containing ion-pairing reagent and non-volatile buffer.
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Affiliation(s)
- Zhen Long
- Shimadzu Scientific Instrument Company, Beijing, 100020, China
| | - Zhaoqi Zhan
- Shimadzu (Asia Pacific) Pte Ltd, 118264, Singapore
| | - Zhimou Guo
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
| | - Yueqi Li
- Shimadzu Scientific Instrument Company, Beijing, 100020, China.
| | - Jinting Yao
- Shimadzu Scientific Instrument Company, Beijing, 100020, China
| | - Feng Ji
- Shimadzu Scientific Instrument Company, Beijing, 100020, China
| | - Changkun Li
- Shimadzu Scientific Instrument Company, Beijing, 100020, China
| | - Xin Zheng
- Shimadzu Scientific Instrument Company, Beijing, 100020, China
| | - Biao Ren
- Shimadzu Scientific Instrument Company, Beijing, 100020, China
| | - Taohong Huang
- Shimadzu Scientific Instrument Company, Beijing, 100020, China
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15
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Long Z, Zhang Y, Gamache P, Guo Z, Steiner F, Du N, Liu X, Jin Y, Liu X, Liu L. Determination of tropane alkaloids by heart cutting reversed phase – Strong cation exchange two dimensional liquid chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1072:70-77. [DOI: 10.1016/j.jchromb.2017.10.064] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 10/28/2017] [Accepted: 10/31/2017] [Indexed: 01/03/2023]
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16
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Trace anti-inflammatory β-carboline alkaloid identified in Arenaria kansuensis by two-dimensional chromatography coupled with UniElut C18AEX based solid-phase extraction re-enrichment technology. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1068-1069:282-288. [DOI: 10.1016/j.jchromb.2017.10.058] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 09/25/2017] [Accepted: 10/30/2017] [Indexed: 01/29/2023]
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17
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Wang W, Tao Y, Jiao L, Fan M, Shao Y, Wang Q, Mei L, Dang J. Efficient separation of high-purity compounds from Oxytropis falcata using two-dimensional preparative chromatography. J Sep Sci 2017; 40:3593-3601. [PMID: 28719037 DOI: 10.1002/jssc.201700449] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Revised: 07/04/2017] [Accepted: 07/07/2017] [Indexed: 01/27/2023]
Abstract
The separation of high-purity compounds from traditional Tibetan medicines plays an important role in investigating their bioactivity. Nevertheless, it is often quite difficult to isolate compounds with high purity because of the complexity of traditional Tibetan medicines. In this work, an offline two-dimensional reversed-phase preparative method was successfully developed for the separation of high-purity compounds from Oxytropis falcata. Based on the analysis results, an ODS C18 prep column was used for first-dimensional preparation, and 14.8 g of the crude sample was separated into five fractions with a recovery of 74.6%. Then, an XAqua C18 prep column was used to isolate high-purity compounds in the second-dimensional preparation because its separation selectivity is different with the ODS C18 stationary phase. As a result, eight compounds in the crude sample were isolated in more than 98% purity. This is the first report of trans-cinnamic acid (1) and trifolirhizin (2) from Oxytropis falcata. This method has the potential to be an efficient separation method of high-purity compounds from Oxytropis falcata and it shows great promise for the separation of high-purity compounds from complex samples.
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Affiliation(s)
- Weidong Wang
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, China.,University of Chinese Academy of Science, Beijing, China
| | - Yanduo Tao
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, China
| | - Lijin Jiao
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, China.,University of Chinese Academy of Science, Beijing, China
| | - Minxia Fan
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, China.,University of Chinese Academy of Science, Beijing, China
| | - Yun Shao
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, China
| | - Qilan Wang
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, China
| | - Lijuan Mei
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, China
| | - Jun Dang
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, China
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18
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Li Q, Wu S, Wang C, Yi Y, Zhou W, Wang H, Li F, Tan Z. Ultrasonic-assisted extraction of sinomenine from Sinomenium acutum using magnetic ionic liquids coupled with further purification by reversed micellar extraction. Process Biochem 2017. [DOI: 10.1016/j.procbio.2017.04.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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19
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Cui Y, Shen N, Dang J, Mei L, Tao Y, Liu Z. Anti-inflammatory bioactive equivalence of combinatorial components β-carboline alkaloids identified in Arenaria kansuensis
by two-dimensional chromatography and solid-phase extraction coupled with liquid-liquid extraction enrichment technology. J Sep Sci 2017; 40:2895-2905. [DOI: 10.1002/jssc.201700144] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Revised: 04/10/2017] [Accepted: 05/03/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Yulei Cui
- Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province; Xining Qinghai P.R. China
- University of Chinese Academy of Sciences; Beijing P.R. China
| | - Na Shen
- Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province; Xining Qinghai P.R. China
- University of Chinese Academy of Sciences; Beijing P.R. China
| | - Jun Dang
- Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province; Xining Qinghai P.R. China
| | - Lijuan Mei
- Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province; Xining Qinghai P.R. China
| | - Yanduo Tao
- Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province; Xining Qinghai P.R. China
| | - Zenggen Liu
- Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research; Chinese Academy of Sciences; Xining Qinghai P.R. China
- Key Laboratory of Tibetan Medicine Research of Qinghai Province; Xining Qinghai P.R. China
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20
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Discovery of new muscarinic acetylcholine receptor antagonists from Scopolia tangutica. Sci Rep 2017; 7:46067. [PMID: 28387362 PMCID: PMC5384254 DOI: 10.1038/srep46067] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 03/08/2017] [Indexed: 12/11/2022] Open
Abstract
Scopolia tangutica (S. tangutica) is a traditional Chinese medicinal plant used for antispasmodics, anesthesia, analgesia and sedation. Its pharmacological activities are mostly associated with the antagonistic activity at muscarinic acetylcholine receptors (mAchRs) of several known alkaloids such as atropine and scopolamine. With our recent identification of four hydroxycinnamic acid amides from S. tangutica, we hypothesized that this plant may contain previously unidentified alkaloids that may also contribute to its in vivo effect. Herein, we used a bioassay-guided multi-dimension separation strategy to discover novel mAchR antagonists from S. tangutica. The core of this approach is to use label-free cell phenotypic assay to first identify active fractions, and then to guide purification of active ligands. Besides four tropanes and six cinnamic acid amides that have been previously isolated from S. tangutica, we recently identified two new tropanes, one new cinnamic acid amide, and nine other compounds. Six tropane compounds purified from S. tangutica for the first time were confirmed to be competitive antagonists of muscarinic receptor 3 (M3), including the two new ones 8 and 12 with IC50 values of 1.97 μM and 4.47 μM, respectively. Furthermore, the cinnamic acid amide 17 displayed 15-fold selectivity for M1 over M3 receptors. These findings will be useful in designing lead compounds for mAchRs and elucidating mechanisms of action of S. tangutica.
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21
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Cui Y, Shen N, Yuan X, Dang J, Shao Y, Mei L, Tao Y, Wang Q, Liu Z. Two-dimensional chromatography based on on-line HPLC-DPPH bioactivity-guided assay for the preparative isolation of analogue antioxidant compound from Arenaria kansuensis. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1046:81-86. [DOI: 10.1016/j.jchromb.2017.01.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 12/09/2016] [Accepted: 01/15/2017] [Indexed: 10/20/2022]
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22
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DONG S, YAN Z, YANG H, LONG Z. Fast and Simple Determination of 3-Aminopiperidine without Derivatization Using High Performance Liquid Chromatography–Charged Aerosol Detector with an Ion-Exchange/Reversed-Phase Mixed-mode Column. ANAL SCI 2017; 33:293-298. [DOI: 10.2116/analsci.33.293] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Sheng Q, Yang K, Ke Y, Liang X, Lan M. Synthesis and evaluation of a maltose-bonded silica gel stationary phase for hydrophilic interaction chromatography and its application in Ginkgo Biloba extract separation in two-dimensional systems. J Sep Sci 2016; 39:3339-47. [DOI: 10.1002/jssc.201600430] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 06/30/2016] [Accepted: 07/01/2016] [Indexed: 02/04/2023]
Affiliation(s)
- Qianying Sheng
- Shanghai Key Laboratory of Functional Materials Chemistry; East China University of Science and Technology; Shanghai China
| | - Kaiya Yang
- Shanghai Key Laboratory of Functional Materials Chemistry; East China University of Science and Technology; Shanghai China
| | - Yanxiong Ke
- Engineering Research Center of Pharmaceutical Process Chemistry; East China University of Science and Technology; Shanghai China
| | - Xinmiao Liang
- Engineering Research Center of Pharmaceutical Process Chemistry; East China University of Science and Technology; Shanghai China
| | - Minbo Lan
- Shanghai Key Laboratory of Functional Materials Chemistry; East China University of Science and Technology; Shanghai China
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24
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Dang J, Shao Y, Zhao J, Mei L, Tao Y, Wang Q, Zhang L. Two-dimensional hydrophilic interaction chromatography × reversed-phase liquid chromatography for the preparative isolation of potential anti-hepatitis phenylpropanoids fromSalvia prattii. J Sep Sci 2016; 39:3327-38. [DOI: 10.1002/jssc.201600401] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 06/28/2016] [Accepted: 06/30/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Jun Dang
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
| | - Yun Shao
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
| | - Jianqiang Zhao
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
- University of Chinese Academy of Science; Beijing China
| | - Lijuan Mei
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
| | - Yanduo Tao
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
| | - Qilan Wang
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
| | - Li Zhang
- Key Laboratory of Tibetan Medicine Research, Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining China
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25
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Wei Z, Fu Q, Cai J, Huan L, Zhao J, Shi H, Jin Y, Liang X. Evaluation and application of a mixed-mode chromatographic stationary phase in two-dimensional liquid chromatography for the separation of traditional Chinese medicine. J Sep Sci 2016; 39:2221-8. [PMID: 27159545 DOI: 10.1002/jssc.201600134] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 03/30/2016] [Accepted: 03/31/2016] [Indexed: 12/31/2022]
Abstract
In this study, two mixed-mode chromatography stationary phases (C8SAX and C8SCX) were evaluated and used to establish a two-dimensional liquid chromatography system for the separation of traditional Chinese medicine. The chromatographic properties of the mixed-mode columns were systematically evaluated by comparing with other three columns of C8, strong anion exchanger, and strong cation exchanger. The result showed that C8SAX and C8SCX had a mixed-mode retention mechanism including electrostatic interaction and hydrophobic interaction. Especially, they were suitable for separating acidic and/or basic compounds and their separation selectivities could be easily adjusted by changing pH value. Then, several off-line 2D-LC systems based on the C8SAX in the first dimension and C8SAX, C8SCX, or C8 columns in the second dimension were developed to analyze a traditional Chinese medicine-Uncaria rhynchophylla. The two-dimensional liquid chromatography system of C8SAX (pH 3.0) × C8SAX (pH 6.0) exhibited the most effective peak distribution. Finally, fractions of U. rhynchophylla prepared from the first dimension were successfully separated on the C8SAX column with a gradient pH. Thus, the mixed-mode stationary phase could provide a platform to separate the traditional Chinese medicine in practical applications.
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Affiliation(s)
- Zhishen Wei
- School of Pharmacy, Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, East China University of Science and Technology, Shanghai, China
| | - Qing Fu
- School of Pharmacy, Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, East China University of Science and Technology, Shanghai, China
| | - Jianfeng Cai
- School of Pharmacy, Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, East China University of Science and Technology, Shanghai, China
| | - Liyun Huan
- School of Pharmacy, Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, East China University of Science and Technology, Shanghai, China
| | - Jianchao Zhao
- School of Pharmacy, Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, East China University of Science and Technology, Shanghai, China
| | - Hui Shi
- School of Pharmacy, Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, East China University of Science and Technology, Shanghai, China
| | - Yu Jin
- School of Pharmacy, Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, East China University of Science and Technology, Shanghai, China
| | - Xinmiao Liang
- School of Pharmacy, Engineering Research Center of Pharmaceutical Process Chemistry, Ministry of Education, East China University of Science and Technology, Shanghai, China
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26
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Huang G, Ou J, Wang H, Ji Y, Wan H, Zhang Z, Peng X, Zou H. Synthesis of a stationary phase based on silica modified with branched octadecyl groups by Michael addition and photoinduced thiol-yne click chemistry for the separation of basic compounds. J Sep Sci 2016; 39:1461-70. [DOI: 10.1002/jssc.201501403] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 02/11/2016] [Accepted: 02/11/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Guang Huang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); Dalian China
- University of Chinese Academy of Sciences; Beijing China
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian China
| | - Junjie Ou
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); Dalian China
| | - Hongwei Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); Dalian China
- University of Chinese Academy of Sciences; Beijing China
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian China
| | - Yongsheng Ji
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); Dalian China
| | - Hao Wan
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); Dalian China
| | - Zhang Zhang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); Dalian China
- University of Chinese Academy of Sciences; Beijing China
| | - Xiaojun Peng
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian China
| | - Hanfa Zou
- CAS Key Laboratory of Separation Science for Analytical Chemistry, National Chromatographic R & A Center, Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); Dalian China
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27
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Long Z, Guo Z, Acworth IN, Liu X, Jin Y, Liu X, Liu L, Liang L. A non-derivative method for the quantitative analysis of isosteroidal alkaloids from Fritillaria by high performance liquid chromatography combined with charged aerosol detection. Talanta 2016; 151:239-244. [PMID: 26946033 DOI: 10.1016/j.talanta.2016.01.027] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2015] [Revised: 01/06/2016] [Accepted: 01/12/2016] [Indexed: 10/22/2022]
Abstract
A non-derivative method was developed for the qualitative and quantitative analysis of isosteroidal alkaloids from Fritillaria thunbergii. During method development the performance of two universal detectors, the charged aerosol detector (CAD) and evaporative light scattering detector (ELSD), were evaluated. The CAD was found to be 30 to 55 times more sensitive than ELSD enabling the measurement of low levels of reference compound impurities that could not be detected by ELSD. The peak area percent of the reference compound, peimisine, obtained by CAD was 50.10%, but 91.66% by ELSD showing that CAD is suitable to estimate the presence of impurities. The CAD showed good reproducibility with overall intra- and inter-day peak area RSD values of less than 1.8% and 2.7%, respectively and had a linear dynamic range of up to 4 orders of magnitude (0.06-44mg/L) for peimine and peiminine. The optimized method was used for the quantitative analysis of peimine and peiminine from F. thunbergii.
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Affiliation(s)
- Zhen Long
- Thermofisher Scientific Corporation, Beijing 100080, China
| | - Zhimou Guo
- Key Lab of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
| | - Ian N Acworth
- Thermofisher Scientific Corporation, Chelmsford 01824, USA
| | - Xiaoda Liu
- Thermofisher Scientific Corporation, Beijing 100080, China
| | - Yan Jin
- Thermofisher Scientific Corporation, Beijing 100080, China.
| | - Xingguo Liu
- Thermofisher Scientific Corporation, Beijing 100080, China
| | - Lvye Liu
- Thermofisher Scientific Corporation, Beijing 100080, China
| | - Lina Liang
- Thermofisher Scientific Corporation, Beijing 100080, China
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28
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Long Z, Guo Z, Liu X, Zhang Q, Liu X, Jin Y, Liang L, Li H, Wei J, Wu N. A sensitive non-derivatization method for apramycin and impurities analysis using hydrophilic interaction liquid chromatography and charged aerosol detection. Talanta 2016; 146:423-9. [DOI: 10.1016/j.talanta.2015.09.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2015] [Revised: 08/28/2015] [Accepted: 09/06/2015] [Indexed: 11/29/2022]
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29
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Zhang Y, Long Z, Guo Z, Wang Z, Zhang X, Ye RD, Liang X, Civelli O. Hydroxycinnamic acid amides from Scopolia tangutica inhibit the activity of M1 muscarinic acetylcholine receptor in vitro. Fitoterapia 2015; 108:9-12. [PMID: 26586621 DOI: 10.1016/j.fitote.2015.11.007] [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: 09/15/2015] [Revised: 11/12/2015] [Accepted: 11/13/2015] [Indexed: 02/08/2023]
Abstract
Scopolia tangutica Maxim (S. tangutica) extracts have been traditionally used as antispasmodic, sedative, and analgesic agents in Tibet and in the Qinghai province of China. Their active compositions are however poorly understood. We have recently isolated five new hydroxycinnamic acid (HCA) amides along with two known HCA amides, one cinnamic acid amide from these extracts. In this study, we evaluate their abilities to inhibit carbacol-induced activity of M1 muscarinic acetylcholine receptor along with the crude extracts. Chinese hamster ovary cells stably expressing the recombinant human M1 receptor (CHO-M1 cells) were employed to evaluate the anticholinergic potentials. Intracellular Ca(2+) changes were monitored using the FLIPR system. Five HCA amides as well as the crude S. tangutica extract displayed dose-dependent inhibitory effects against M1 receptor. These findings demonstrate that HCA amides are part of the M1 receptor-inhibiting principles of S. tangutica. Since blockade of parasympathetic nerve impulse transmission through the inhibition of the M1 receptor lessens smooth muscle spasms, our findings provided a molecular explanation for the traditional use of S. tangutica against spasm.
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Affiliation(s)
- Yan Zhang
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.
| | - Zhen Long
- Key laboratory of Separation Science for Analytical Chemistry, Key Lab of Natural Medicine, Liaoning Province, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Zhimou Guo
- Key laboratory of Separation Science for Analytical Chemistry, Key Lab of Natural Medicine, Liaoning Province, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Zhiwei Wang
- Department of Pharmacology, University of California, Irvine, CA 92697, United States
| | - Xiuli Zhang
- Key laboratory of Separation Science for Analytical Chemistry, Key Lab of Natural Medicine, Liaoning Province, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Richard D Ye
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
| | - Xinmiao Liang
- Key laboratory of Separation Science for Analytical Chemistry, Key Lab of Natural Medicine, Liaoning Province, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People's Republic of China
| | - Olivier Civelli
- Department of Pharmacology, University of California, Irvine, CA 92697, United States
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30
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Petruczynik A, Wróblewski K, Deja M, Waksmundzka-Hajnos M. Ion-exchange vs reversed-phase chromatography for separation and determination of basic psychotropic drugs. Biomed Chromatogr 2015; 29:1700-7. [PMID: 25944095 DOI: 10.1002/bmc.3482] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Revised: 02/24/2015] [Accepted: 03/30/2015] [Indexed: 11/10/2022]
Abstract
Ion exchange chromatography, an alternative to reversed-phase (RP) chromatography, is described in this paper. We aimed to obtain optimal conditions for the separation of basic drugs because silica-based RP stationary phases show silanol effect and make the analysis of basic analytes hardly possible. The retention, separation selectivity, symmetry of peaks and system efficiency were examined in different eluent systems containing different types of buffers at acidic pH and with the addition of organic modifiers: methanol and acetonitrile. The obtained results reveal a large influence of the salt cation used for buffer preparation and the type of organic modifier on the retention behavior of the analytes. These results were also compared with those obtained on an XBridge C18 column. The obtained results demonstrated that SCX stationary phases can be successfully used as alternatives to C18 stationary phases in the separation of basic compounds. The most selective and efficient chromatographic systems were applied for the quantification of some psychotropic drugs in fortified human serum samples.
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Affiliation(s)
- Anna Petruczynik
- Department of Inorganic Chemistry, Medical University of Lublin, Chodzki 4a, Lublin, 20-093, Poland
| | - Karol Wróblewski
- Department of Inorganic Chemistry, Medical University of Lublin, Chodzki 4a, Lublin, 20-093, Poland
| | - Michał Deja
- Department of Inorganic Chemistry, Medical University of Lublin, Chodzki 4a, Lublin, 20-093, Poland
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The influence of organic sample solvents on the separation efficiency of basic compounds under strong cation exchange mode. Anal Chim Acta 2015; 872:77-83. [DOI: 10.1016/j.aca.2014.12.057] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 11/23/2014] [Accepted: 12/11/2014] [Indexed: 11/22/2022]
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