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Cheng Q, Ma Q, Pei H, He S, Wang R, Guo R, Liu N, Mo Z. Enantioseparation Membranes: Research Status, Challenges, and Trends. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2300376. [PMID: 36794289 DOI: 10.1002/smll.202300376] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/03/2023] [Indexed: 05/18/2023]
Abstract
The purity of enantiomers plays a critical role in human health and safety. Enantioseparation is an effective way and necessary process to obtain pure chiral compounds. Enantiomer membrane separation is a new chiral resolution technique, which has the potential for industrialization. This paper mainly summarizes the research status of enantioseparation membranes including membrane materials, preparation methods, factors affecting membrane properties, and separation mechanisms. In addition, the key problems and challenges to be solved in the research of enantioseparation membranes are analyzed. Last but not least, the future development trend of the chiral membrane is expected.
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Affiliation(s)
- Qingsong Cheng
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Qian Ma
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Hebing Pei
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Simin He
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Rui Wang
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Ruibin Guo
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Nijuan Liu
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
| | - Zunli Mo
- Research Center of Gansu Military and Civilian Integration Advanced Structural Materials, Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu, 730000, China
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Chen C, Guo Y, Zhao S, Toufouki S, Song H, Yao S. Chiral ionic liquid-multi walled carbon nanotubes composite membrane applied to the separation of amino acid enantiomers. J Chromatogr A 2022; 1685:463630. [PMID: 36347072 DOI: 10.1016/j.chroma.2022.463630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/28/2022] [Accepted: 10/30/2022] [Indexed: 11/08/2022]
Abstract
Various membranes are playing more and more important roles in the field of analytical and preparative applications of general interest, and some of them have been used in enantioresolution for amino acids (AAs) or similar bioactive molecules. In this study, a new composite membrane was prepared with chiral ionic liquid (CIL) of [BuPyro] [L-Pro] as chiral selector together with multi walled carbon nanotubes (MWCNTs) and additives through a simple way for the first time. Based on such a separation medium, the enantioresolution of amino acid enantiomers were achieved by forming ternary ligand complexes with Cu(II). It was comprehensively characterized by various ways, and key preparation conditions were discovered. After comparing the performance of three operation modes on the resolution of racemic phenylalanine, the effects of main influential factors were investigated and enantiomeric excess value (e.e.%) was 90.2% for the (D,L)-Phe aqueous solution (membrane thickness: 0.15±0.02 mm, total weight: 80 mg, CIL: 41.7%). Through effective desorption, up to 98.1% of the target was recovered. Finally, the mechanism of resolution was revealed by molecular simulation, kinetics and isotherm models, and the difference of interactive energy between ternary complexes of L-Phe-Cu(II)-CIL and D-Phe-Cu(II)-CIL was calculated as 1.56 kcal/mol. The membrane also remained stable after the post-treatment and showed good potential in chiral separation.
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Affiliation(s)
- Chen Chen
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Yingying Guo
- School of Pharmacy, Chengdu Medical College, Chengdu 610500, China
| | - Siyu Zhao
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Sara Toufouki
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Hang Song
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Shun Yao
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China.
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Pang B, Jiang Y. Progress in pretreatment of methadone: an update since 2015. Prep Biochem Biotechnol 2022; 53:109-119. [PMID: 35369846 DOI: 10.1080/10826068.2022.2056900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Methadone, a µ-opioid receptor agonist, is widely used in pain-relieving and treating opioid dependence. If not strictly controlled, as an opioid substitute, it can lead to abuse and cause more severe withdrawal responses than heroin. Also, overdose or abuse of this drug in clinical use may provide severe side effects such as apnea, circulatory collapse, cardiac arrest, and even death. For these reasons, simple, rapid, and efficient methods have been developed for the pretreatment of methadone. This review presents a comprehensive conclusion of the pretreatment methods used for methadone in various sample matrices, focusing on the developments since 2015. Traditionally used pretreatment methods like solid-phase extraction and liquid-liquid extraction are discussed and newly developed methods like solid-phase microextraction and liquid-liquid microextraction along with new materials applied are focused.
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Affiliation(s)
- Bo Pang
- China Medical University-The Queen's University of Belfast Joint College, China Medical University, Shen Yang, China
| | - Yinru Jiang
- China Medical University-The Queen's University of Belfast Joint College, China Medical University, Shen Yang, China
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Shi JH, Lin ZY, Kou SB, Wang BL, Jiang SL. Enantioseparation of mandelic acid and substituted derivatives by high-performance liquid chromatography with hydroxypropyl-β-cyclodextrin as chiral mobile additive and evaluation of inclusion complexes by molecular dynamics. Chirality 2021; 33:675-684. [PMID: 34390038 DOI: 10.1002/chir.23348] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 07/15/2021] [Accepted: 07/21/2021] [Indexed: 12/21/2022]
Abstract
The enantioseparation and resolution mechanism of mandelic acid (MA), 4-methoxymandelic acid (MMA), and 4-propoxymandelic acid (PMA) were investigated by reversed-phase high-performance liquid chromatography (HPLC) with 2-hydroxypropyl-β-cyclodextrin (HP-β-CD) as a chiral mobile-phase additive and molecular dynamics simulation. The suitable chromatographic conditions for the enantioseparation of MA, MMA, and PMA were obtained. Under the selected chromatographic conditions, these enantiomers could achieve baseline separation. The results of thermodynamic parameter analysis revealed that the main driven forces for the enantioseparation of MA, MMA, and PMA could be van der Waals forces and hydrogen-bonding interactions and the chromatographic retention of these chiral compounds was an enthalpy-driven process. The results of the molecular simulation revealed that their chiral resolution mechanism on HP-β-CD was responsible for the formation of inclusion complexes of enantiomers with HP-β-CD with different conformations and binding energies. And the binding energy of HP-β-CD with (S)-isomer was larger than that with (R)-isomer, which is consistent with the experimental results of the first elution of (S)-isomer. Additionally, it is also confirmed that the interaction energies included the van der Waals energy (∆Evdw ), electrostatic energy (∆Eelec ), polar solvation energy, and SASA energy (∆Esasa ), and the separation factor (α) was closely connected with the disparity in the binding energies of optical isomers and HP-β-CD complexes. Meanwhile, from molecular dynamics simulation, it can be found that the ∆(∆Ebinding ), (∆(∆Ebinding ) = ∆Ebinding,R - ∆Ebinding,S ) value was in order of MA-HP-β-CD complex > MMA-HP-β-CD complex > PMA-HP-β-CD complex, which was consistent with the order of Δ(ΔG) values obtained from van't Hoff plot. This indicated that the molecular dynamics simulation has predictive function for chiral resolution.
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Affiliation(s)
- Jie-Hua Shi
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P.R. China
| | - Zhen-Yi Lin
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P.R. China
| | - Song-Bo Kou
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P.R. China
| | - Bao-Li Wang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P.R. China
| | - Shao-Liang Jiang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, P.R. China
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