1
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Tang WQ, Li W, Qi Y, Qi X, Xu M, Gu ZY. Angstrom-Level Tuning in Confined Space of Metal-Organic Framework for Ultra-High Resolution in Gas Chromatographic Separation. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39363551 DOI: 10.1021/acsami.4c14239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2024]
Abstract
Optimizing the balance between thermodynamic interaction and kinetic diffusion is pivotal to obtaining high-performance gas chromatographic stationary phases. Here, three aluminum-based metal-organic frameworks featuring fym topology were chosen to achieve such balance by refined controlling the thermodynamic interactions toward analytes at angstrom level in a confined space. The CAU-10-H with the middle-sized channels (5.4 Å) provided weak interactions with xylenes because of the benzene ring around the channel, leading to the fastest diffusion. While the MIL-160 provided stronger interactions toward the analytes due to the abundance of O-heterocyclic sites of 2,5-furandicarboxylic acid ligands, resulting in slightly higher diffusion barriers. Thereby, although MIL-160 had a larger channel (5.9 Å) than CAU-10-H, the xylenes still diffused more slowly in MIL-160 than in CAU-10-H. The CAU-10-NH2 with the channel of 4.7 Å provided overstrong thermodynamic interactions and significant stereospecific blockade to the analytes because of the NH2 sites in the confined channels. These factors collectively contributed to achieving the lowest diffusion kinetics. The confined interactions were also proved by molecular dynamics simulation. Furthermore, the application indicated that MIL-160 exhibited the highest separation ability as a GC stationary phase among all reported materials. This strategy offers an approach for developing high-performance MOF stationary phases.
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Affiliation(s)
- Wen-Qi Tang
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Wang Li
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Yu Qi
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Xiang Qi
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Ming Xu
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Zhi-Yuan Gu
- Jiangsu Key Laboratory of Biofunctional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of New Power Batteries, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
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2
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Luo ZH, Zhu YL, Ran XY, Ma AX, Zhang Y, Zhou HM, Wang BJ, Zhang JH, Xie SM, Yuan LM. Subcomponent self-assembly construction of tetrahedral cage Fe II4L 4 for high-resolution gas chromatographic separation. Talanta 2024; 277:126388. [PMID: 38870759 DOI: 10.1016/j.talanta.2024.126388] [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: 04/17/2024] [Revised: 05/29/2024] [Accepted: 06/05/2024] [Indexed: 06/15/2024]
Abstract
Metal organic cages (MOCs), as an emerging discrete supramolecular compounds, have received widespread attention in separation, biomedicine, gas capture, catalysis, and molecular recognition due to their porosity, adjustability and stability. Herein, we present a new chiral MOC FeII4L4 coated capillary column prepared for gas chromatographic (GC) separation of different types of organic compounds, including n-alkanes, n-alcohols, alkylbenzenes, isomers, especially for racemic compounds. There are 20 different kinds of racemates (e.g., alcohols, ethers, epoxides, esters, alkenes, and aldehydes) were well resolved on the FeII4L4 chiral column and a maximum resolution value for 1-phenyl-1-propanol reaches 6.17. The FeII4L4 coated column exhibited high column efficiency (3100 plates m-1 for n-dodecane) and good enantiomeric resolution complementary to that of a commercial β-DEX 120 column and the previously reported chiral MOC [Fe4L6] (ClO4)8 coated column. The relative standard deviation (RSDs) of the peak area and retention time of glycidol and nitrotoluene were below 1.2 %. This study reveals that chiral MOCs have good application prospects in chromatographic separation.
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Affiliation(s)
- Zong-Hong Luo
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China
| | - Yu-Lan Zhu
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China
| | - Xiao-Yan Ran
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China
| | - An-Xu Ma
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China
| | - Yue Zhang
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China
| | - Hong-Mei Zhou
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China
| | - Bang-Jin Wang
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China
| | - Jun-Hui Zhang
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China
| | - Sheng-Ming Xie
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China.
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming, 650500, PR China
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3
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Abbas A, Ahmad MS, Cheng YH, AlFaify S, Choi S, Irfan RM, Numan A, Khalid M. A comprehensive review on the enantiomeric separation of chiral drugs using metal-organic frameworks. CHEMOSPHERE 2024; 364:143083. [PMID: 39154761 DOI: 10.1016/j.chemosphere.2024.143083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 08/11/2024] [Accepted: 08/11/2024] [Indexed: 08/20/2024]
Abstract
Chiral drugs play an important role in modern medicine, but obtaining pure enantiomers from racemic mixtures can pose challenges. When a drug is chiral, only one enantiomer (eutomer) typically exhibits the desired pharmacological activity, while the other (distomer) may be biologically inactive or even toxic. Racemic drug formulations introduce additional health risks, as the body must still process the inactive or detrimental enantiomer. Some distomers have also been linked to teratogenic effects and unwanted side effects. Therefore, developing efficient and scalable methods for separating chiral drugs into their pure enantiomers is critically important for improving patient safety and outcomes. Metal-organic frameworks (MOFs) show promise as novel materials for chiral separation due to their highly tunable structures and interactions. This review summarizes recent advancements in using MOFs for chromatographic and spectroscopic resolution of drug enantiomers. Both the opportunities and limitations of MOF-based separation techniques are discussed. A thorough understanding of these methods could aid the continued development of pure enantiomer formulations and help reduce health risks posed by racemic drug mixtures.
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Affiliation(s)
- Anees Abbas
- Department of Chemistry, University of Mianwali, Mianwali, Punjab, 42200, Pakistan; Graphite Technology, No. 9 Sinosteel Avenue 313100 Changxing, Zhejiang, China
| | - Muhammad Sheraz Ahmad
- Department of Chemistry, University of Mianwali, Mianwali, Punjab, 42200, Pakistan; Center for Environmental Sustainability and Human Health, Ming Chi University of Technology, New Taipei City, 24301, Taiwan.
| | - Yu-Hsiang Cheng
- Center for Environmental Sustainability and Human Health, Ming Chi University of Technology, New Taipei City, 24301, Taiwan; Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City, 24301, Taiwan.
| | - S AlFaify
- Advanced Functional Materials and Optoelectronics Laboratory (AFMOL), Department of Physics, College of Science, King Khalid University, Abha, 61413, P.O. Box 9004, Saudi Arabia
| | - Soohoon Choi
- Department of Environmental Engineering, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 34134, South Korea
| | | | - Arshid Numan
- Sunway Centre for Electrochemical Energy and Sustainable Technology (SCEEST), School of Engineering and Technology, Sunway University, No. 5, Jalan Universiti, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia; Department of Applied Physics, Saveetha School of Engineering, Saveetha University (SIMATS), Chennai, India
| | - Mohammad Khalid
- Materials and Manufacturing Research Group, James Watt School of Engineering, University of Glasgow, Glasgow, G128QQ, UK; University Centre for Research and Development, Chandigarh University, Mohali, Punjab, 140413, India.
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4
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Wang Z, Wang W, Luo AQ, Yuan LM. Recent progress for chiral stationary phases based on chiral porous materials in high-performance liquid chromatography and gas chromatography separation. J Sep Sci 2024; 47:e2400073. [PMID: 38965996 DOI: 10.1002/jssc.202400073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 05/24/2024] [Accepted: 05/31/2024] [Indexed: 07/06/2024]
Abstract
Chirality is a fundamental property of nature. Separation and analysis of racemates are of great importance in the fields of medicine and the production of chiral biopharmaceutical intermediates. Chiral chromatography has the characteristics of a wide separation range, fast separation speed, and high efficiency. The development and preparation of novel chiral stationary phases with good chiral recognition and separation capacity is the core and key of chiral chromatographic separation and analysis. In this work, the representative research progress of novel chiral porous crystal materials including chiral covalent organic frameworks, chiral porous organic cages, chiral metal-organic frameworks, and chiral metal-organic cages used as chiral stationary phases of capillary gas chromatography and high-performance liquid chromatography over the last 4 years is reviewed in detail. The chiral recognition and separation properties of the representative studies in this review are also introduced and discussed.
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Affiliation(s)
- Zhen Wang
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Wei Wang
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Ai-Qin Luo
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming, P. R. China
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5
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Mu Q, Tian W, Zhang J, Li R, Ji Y. Nanocrystalline Porous Materials for Chiral Separation: Synthesis, Mechanisms, and Applications. Anal Chem 2024; 96:7864-7879. [PMID: 38320090 DOI: 10.1021/acs.analchem.3c01178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Affiliation(s)
- Qixuan Mu
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing 210009, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Nanjing 210009, China
| | - Wanting Tian
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing 210009, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Nanjing 210009, China
| | - Jiale Zhang
- Department of Analytical Chemistry, China Pharmaceutical University, Nanjing 210009, China
- Key Laboratory of Drug Quality Control and Pharmacovigilance, Ministry of Education, Nanjing 210009, China
| | - Ruijun 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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6
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Lai YL, Gao SQ, Wang Z, Yan KQ, Wang BJ, Yuan LM. Two-dimensional chiral metal-organic framework nanosheets L-hyp-Ni/Fe@SiO 2 composite for HPLC separation. J Chromatogr A 2024; 1722:464911. [PMID: 38626541 DOI: 10.1016/j.chroma.2024.464911] [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: 02/06/2024] [Revised: 04/09/2024] [Accepted: 04/11/2024] [Indexed: 04/18/2024]
Abstract
In this study, we have synthesised a chiral l-hyp-Ni/Fe@SiO2 composite as a chiral stationary phase (CSP) for high-performance liquid chromatography (HPLC) for the first time. This was achieved by coating two-dimensional (2D) chiral metal-organic framework nanosheets (MONs) l-hyp-Ni/Fe onto the surface of activated SiO2 microspheres using the "wrapped in net" method. The separation efficiency of the l-hyp-Ni/Fe chromatographic column was systematically evaluated in normal-phase HPLC (NP-HPLC) and reversed-phase HPLC (RP-HPLC) configurations, employing various racemates as analytes. The findings revealed that 16 chiral compounds were separated using NP-HPLC, and five were separated using RP-HPLC, encompassing alcohols, amines, ketones, esters, alkanes, ethers, amino acids and sulfoxides. Notably, the resolution (Rs) of nine chiral compounds exceeded 1.5, indicating baseline separation. Furthermore, the resolution performance of the l-hyp-Ni/Fe@SiO2-packed column was compared with that of Chiralpak AD-H. It was observed that certain enantiomers, which either could not be resolved or were inadequately separated on the Chiralpak AD-H column, attained separation on the 2D chiral MONs column. These findings suggest a complementary relationship between the two columns in racemate separation, with their combined application facilitating the resolution of a broader spectrum of chiral compounds. In addition, baseline separation was achieved for five positional isomers on the l-hyp-Ni/Fe@SiO2-packed column. The effects of the analyte mass and column temperature on the resolution were also examined. Moreover, during HPLC analysis, the l-hyp-Ni/Fe columns demonstrated commendable repeatability, stability and reproducibility in enantiomer separation. This research not only advances the utilisation of 2D chiral MONs as CSPs but also expands their applications in the separation sciences.
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Affiliation(s)
- Ya-Lin Lai
- Department of Chemistry, Yunnan Normal University, Kunming 650500, PR China
| | - Shun-Qiu Gao
- Department of Chemistry, Yunnan Normal University, Kunming 650500, PR China
| | - Zhen Wang
- Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Beijing 100081, China
| | - Ke-Qian Yan
- Department of Chemistry, Yunnan Normal University, Kunming 650500, PR China
| | - Bang-Jin Wang
- Department of Chemistry, Yunnan Normal University, Kunming 650500, PR China
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming 650500, PR China.
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7
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Chen Y, Huang S, Xia L, Hu Y, Li G. Synergetic Multichiral Covalent Organic Framework for Enantioselective Recognition and Separation. Anal Chem 2024; 96:1380-1389. [PMID: 38197385 DOI: 10.1021/acs.analchem.3c05227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Abstract
In enantiomer recognition and separation, a highly enantioselective approach with universal applicability is urgently desired but hard to realize, especially in the case of chiral molecules. To resolve the trade-off between enantioselectivity and universality, a glutathione (GSH) and methylated cyclodextrins (MCD)-functionalized covalent organic framework (GSH-MCD COF) with porosity and abundant chiral surfaces is presented that was designed and synthesized for recognition and separation of various enantiomers. As expected, the GSH-MCD COF can be used as chiral stationary phases for the separation of various enantiomers, including aromatic alcohols, aromatic acids, amides, amino acids, and organic acids, with performance and versatility even superior to some widely used commercial chiral chromatographic columns. Furthermore, the synthesized GSH-MCD COF shows high enantioselectivity for the rapid recognition and identification of enantiomers and chiral metabolites when coupling to Raman spectroscopy. Molecular simulations suggest that the COF provides a confined microenvironment for cyclodextrins and peptides that dictates the separation and recognition capability. This work provides a strategy to synthesize synergetic multichiral COF and achieve separations and recognitions of enantiomers in complex samples.
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Affiliation(s)
- Yanlong Chen
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Simin Huang
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Ling Xia
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Yuling Hu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
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8
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Huang X, Chen F, Sun H, Yang L, Yang Q, Zhang Z, Yang Y, Ren Q, Bao Z. Quasi-Discrete Pore Engineering via Ligand Racemization in Metal-Organic Frameworks for Thermodynamic-Kinetic Synergistic Separation of Propylene and Propane. J Am Chem Soc 2024; 146:617-626. [PMID: 38110416 DOI: 10.1021/jacs.3c10495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
The adsorptive separation of propylene and propane offers an energy-efficient alternative to the conventional cryogenic distillation technology. However, developing porous adsorbents with both high equilibrium and kinetic selectivity remains extremely challenging due to the similar size and physical properties of these gases. Herein, this work reports a ligand racemization strategy to construct quasi-discrete pores in MOFs for a synergistically enhanced thermodynamic and kinetic separation performance. The use of enantiopure l-malic acid versus racemic dl-malic acid as ligands afforded isoreticular Ni-based MOFs with contrasting one-dimensional channels (l-mal-MOF) and quasi-discrete cavities connected by small windows (dl-mal-MOF). The periodic pore constrictions in dl-mal-MOF significantly increased the differentiation in diffusion rates and binding energies between propylene and propane. dl-mal-MOF exhibited an exceptional propylene uptake of 1.82 mmol/g at 0.05 bar and 298 K along with an ultrahigh equilibrium-kinetic combined selectivity of 62.6. DFT calculations and MD simulations provided insights into the synergistic mechanism of preferential propylene adsorption and diffusion. Breakthrough column experiments demonstrated the excellent separation and high-purity recovery of propylene over propane on dl-mal-MOF. The robust stability and facile regeneration highlight its potential for propylene purification applications.
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Affiliation(s)
- Xinlei Huang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,866 Yuhangtang Road, Hangzhou 310058, People's Republic of China
| | - Fuqiang Chen
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,866 Yuhangtang Road, Hangzhou 310058, People's Republic of China
| | - Haoran Sun
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,866 Yuhangtang Road, Hangzhou 310058, People's Republic of China
| | - Liu Yang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,866 Yuhangtang Road, Hangzhou 310058, People's Republic of China
| | - Qiwei Yang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,866 Yuhangtang Road, Hangzhou 310058, People's Republic of China
- Institute of Zhejiang University-Quzhou, 99 Zheda Road, Kecheng District, Quzhou 324000, People's Republic of China
| | - Zhiguo Zhang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,866 Yuhangtang Road, Hangzhou 310058, People's Republic of China
- Institute of Zhejiang University-Quzhou, 99 Zheda Road, Kecheng District, Quzhou 324000, People's Republic of China
| | - Yiwen Yang
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,866 Yuhangtang Road, Hangzhou 310058, People's Republic of China
- Institute of Zhejiang University-Quzhou, 99 Zheda Road, Kecheng District, Quzhou 324000, People's Republic of China
| | - Qilong Ren
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,866 Yuhangtang Road, Hangzhou 310058, People's Republic of China
- Institute of Zhejiang University-Quzhou, 99 Zheda Road, Kecheng District, Quzhou 324000, People's Republic of China
| | - Zongbi Bao
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University,866 Yuhangtang Road, Hangzhou 310058, People's Republic of China
- Institute of Zhejiang University-Quzhou, 99 Zheda Road, Kecheng District, Quzhou 324000, People's Republic of China
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9
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Huang B, Li K, Ma QY, Xiang TX, Liang RX, Gong YN, Wang BJ, Zhang JH, Xie SM, Yuan LM. Homochiral Metallacycle Used as a Stationary Phase for Capillary Gas Chromatographic Separation of Chiral and Achiral Compounds. Anal Chem 2023; 95:13289-13296. [PMID: 37615071 DOI: 10.1021/acs.analchem.3c02438] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
Metallacycles are a novel class of supramolecular materials with circular structures, internal cavities, and abundant host-guest chemical properties that have exhibited good application prospects in many fields. However, to the best of our knowledge, no research on the use of metallacycles as stationary phases for gas chromatographic (GC) separations has been published yet. In this work, we report for the first time the use of a homochiral metallacycle, [ZnCl2L]2, as a stationary phase for GC separations. [ZnCl2L]2 was synthesized by reaction of (S)-(1-isonicotinoylpyrrolidin-2-yl)methyl-isonicotinate (L) with ZnCl2 via coordination-driven self-assembly. The [ZnCl2L]2-coated column displayed an excellent separation performance not only of organic isomers but also of racemic compounds. Sixteen racemates (including alcohols, esters, amino acid derivatives, ethers, organic acids, and epoxides) and 21 isomeric compounds (including positional, structural, and cis/trans-isomers) were well separated on the [ZnCl2L]2-coated column. Impressively, some racemates were resolved with high resolution values (Rs), including 1,2-butanediol diacetate (Rs = 25.86), ethyl 3-hydroxybutyrate (Rs = 20.97), 1,3-butanediol diacetate (Rs = 18.09), and threonine derivative (Rs = 18.61). Compared with the commercial β-DEX 120 column for separation of the tested racemates, the [ZnCl2L]2-coated column exhibited good enantioseparation complementarity, enabling separation of some racemates that could not be separated, or were not well resolved, by the β-DEX 120 column. In addition, many organic mixtures, such as n-alkanes, alkylbenzenes, n-alcohols, and a Grob test mixture, were also well separated on the [ZnCl2L]2-coated column. The column also has good reproducibility and thermal stability on separation. This work not only reveals the great potential of metallacycles for GC separations but also opens up a new application of metallacycles in separation science.
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Affiliation(s)
- Bin Huang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
| | - Kuan Li
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
| | - Qi-Yu Ma
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
| | - Tuan-Xiu Xiang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
| | - Rui-Xue Liang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
| | - Ya-Nan Gong
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
| | - Bang-Jin Wang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
| | - Jun-Hui Zhang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
| | - Sheng-Ming Xie
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
| | - Li-Ming Yuan
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming 650500, People's Republic of China
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10
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Yuan C, Wang Z, Xiong W, Huang Z, Lai Y, Fu S, Dong J, Duan A, Hou X, Yuan LM, Cui Y. Cyclodextrin Incorporation into Covalent Organic Frameworks Enables Extensive Liquid and Gas Chromatographic Enantioseparations. J Am Chem Soc 2023; 145:18956-18967. [PMID: 37596711 DOI: 10.1021/jacs.3c05973] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/20/2023]
Abstract
The separation of enantiomers using high-performance chromatography technologies represents great importance and interest. In this aspect, β-cyclodextrin (β-CD) and its derivatives have been extensively studied as chiral stationary phases (CSPs). Nevertheless, β-CD that was immobilized on a traditional matrix often exhibited low stabilities and limited operating ranges. Recently, covalent organic frameworks (COFs) with highly ordered nanopores are emerging as promising CSPs for enantioseparations, but their practical applications are still hampered by the difficulty of monomer and COF synthesis. Herein, two β-CD-driven COFs are synthesized via a fast and facile plasma-induced polymerization combined postsynthesis modification strategy. The precisely defined COF channels enhanced the accessibility of the accommodated β-CD to the analytes and acted as robust protective barriers to safeguard the β-CD from harsh environments. Therefore, the β-CD-modified COFs can be potentially general CSPs for extensive enantioseparation in both gas chromatography and high-performance liquid chromatography, and a wide range of racemates were separated. Compared to the commonly employed commercial chiral columns, these COF-based columns exhibited comparable resolution capability and superior application versatility. This work integrates the advantages and overcomes the defects of COFs and β-CD, thus advancing COFs as platforms for chiral selector modification and giving great promise for practical chromatographic enantioseparation.
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Affiliation(s)
- Chen Yuan
- Analytical & Testing Center, Sichuan University, Chengdu 610064, China
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai 200240, China
| | - Zhen Wang
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Wanqi Xiong
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Zhifeng Huang
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Yalin Lai
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Shiguo Fu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai 200240, China
| | - Jinqiao Dong
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai 200240, China
| | - Aihong Duan
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Xiandeng Hou
- Analytical & Testing Center, Sichuan University, Chengdu 610064, China
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming 650500, China
| | - Yong Cui
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai 200240, China
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11
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Deng C, Song BQ, Lusi M, Bezrukov AA, Haskins MM, Gao MY, Peng YL, Ma JG, Cheng P, Mukherjee S, Zaworotko MJ. Crystal Engineering of a Chiral Crystalline Sponge That Enables Absolute Structure Determination and Enantiomeric Separation. CRYSTAL GROWTH & DESIGN 2023; 23:5211-5220. [PMID: 37426545 PMCID: PMC10326857 DOI: 10.1021/acs.cgd.3c00446] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/06/2023] [Indexed: 07/11/2023]
Abstract
Chiral metal-organic materials (CMOMs), can offer molecular binding sites that mimic the enantioselectivity exhibited by biomolecules and are amenable to systematic fine-tuning of structure and properties. Herein, we report that the reaction of Ni(NO3)2, S-indoline-2-carboxylic acid (S-IDECH), and 4,4'-bipyridine (bipy) afforded a homochiral cationic diamondoid, dia, network, [Ni(S-IDEC)(bipy)(H2O)][NO3], CMOM-5. Composed of rod building blocks (RBBs) cross-linked by bipy linkers, the activated form of CMOM-5 adapted its pore structure to bind four guest molecules, 1-phenyl-1-butanol (1P1B), 4-phenyl-2-butanol (4P2B), 1-(4-methoxyphenyl)ethanol (MPE), and methyl mandelate (MM), making it an example of a chiral crystalline sponge (CCS). Chiral resolution experiments revealed enantiomeric excess, ee, values of 36.2-93.5%. The structural adaptability of CMOM-5 enabled eight enantiomer@CMOM-5 crystal structures to be determined. The five ordered crystal structures revealed that host-guest hydrogen-bonding interactions are behind the observed enantioselectivity, three of which represent the first crystal structures determined of the ambient liquids R-4P2B, S-4P2B, and R-MPE.
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Affiliation(s)
- Chenghua Deng
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Bai-Qiao Song
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Matteo Lusi
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Andrey A. Bezrukov
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Molly M. Haskins
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Mei-Yan Gao
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Yun-Lei Peng
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Jian-Gong Ma
- Department
of Chemistry and Key Laboratory of Advanced Energy Material Chemistry,
College of Chemistry, Nankai University, Tianjin 300071, China
| | - Peng Cheng
- Department
of Chemistry and Key Laboratory of Advanced Energy Material Chemistry,
College of Chemistry, Nankai University, Tianjin 300071, China
| | - Soumya Mukherjee
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
| | - Michael J. Zaworotko
- Bernal
Institute, Department of Chemical Sciences, University of Limerick, Limerick V94 T9PX, Ireland
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12
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Susanti, Riswoko A, Laksmono JA, Widiyarti G, Hermawan D. Surface modified nanoparticles and their applications for enantioselective detection, analysis, and separation of various chiral compounds. RSC Adv 2023; 13:18070-18089. [PMID: 37323439 PMCID: PMC10267673 DOI: 10.1039/d3ra02399k] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 05/30/2023] [Indexed: 06/17/2023] Open
Abstract
The development of efficient enantioselective detection, analysis, and separation relies significantly on molecular interaction. In the scale of molecular interaction, nanomaterials have a significant influence on the performance of enantioselective recognitions. The use of nanomaterials for enantioselective recognition involved synthesizing new materials and immobilization techniques to produce various surface-modified nanoparticles that are either encapsulated or attached to surfaces, as well as layers and coatings. The combination of surface-modified nanomaterials and chiral selectors can improve enantioselective recognition. This review aims to offer engagement insights into the production and application of surface-modified nanomaterials to achieve sensitive and selective detection, better chiral analysis, and separation of numerous chiral compounds.
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Affiliation(s)
- Susanti
- Research Center for Polymer Technology - National Research and Innovation Agency (BRIN) KST BJ. Habibie, Kawasan Puspiptek Building 460 Tangerang Selatan 15314 Indonesia
| | - Asep Riswoko
- Research Center for Polymer Technology - National Research and Innovation Agency (BRIN) KST BJ. Habibie, Kawasan Puspiptek Building 460 Tangerang Selatan 15314 Indonesia
| | - Joddy Arya Laksmono
- Research Center for Polymer Technology - National Research and Innovation Agency (BRIN) KST BJ. Habibie, Kawasan Puspiptek Building 460 Tangerang Selatan 15314 Indonesia
| | - Galuh Widiyarti
- Research Center for Pharmaceutical Ingredients and Traditional Medicine - National Research and Innovation Agency (BRIN) KST BJ Habibie, Kawasan Puspiptek Building 452 Tangerang Selatan 15314 Indonesia
| | - Dadan Hermawan
- Department of Chemistry, Faculty of Mathematics and Natural Science, Jenderal Soedirman University (UNSOED) Indonesia
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13
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Cheng Q, Ma Q, Pei H, Liang H, Zhang X, Jin X, Liu N, Guo R, Mo Z. Chiral metal-organic frameworks materials for racemate resolution. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023]
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14
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Yasmeen F, Yunus U, Bhatti MH, Sher M, Nadeem M. The development of chiral metal-organic frameworks for enantioseparation of racemates. RSC Adv 2023; 13:16651-16662. [PMID: 37274410 PMCID: PMC10236271 DOI: 10.1039/d3ra02489j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 05/17/2023] [Indexed: 06/06/2023] Open
Abstract
MIL-101(Cr), an achiral metal-organic framework, made up of a terephthalic acid ligand and a metal chromium ion was selected as a template. Its structural features are unsaturated Lewis acid sites that can be easily activated and it has an extremely high specific surface area, big pore size, and good thermal/chemical/water stability. This achiral framework was modified to introduce chirality within the structure to develop chiral metal-organic frameworks (CMOFs). Here, natural chiral ligands, amino acids (l-proline, l-thioproline and l-tyrosine), were selected for post synthetic modification (PSM) of MIL-101(Cr). This is a very simple, clean and facile methodology with respect to the reactants and reaction conditions. CMOFs 1-3 abbreviated as MIL-101-l-proline (CMOF-1), MIL-101-l-thioproline (CMOF-2) and MIL-101-l-tyrosine (CMOF-3) were prepared by introducing l-proline, l-thioproline and l-tyrosine as chiral moieties within the framework of (Cr). These CMOFs were characterized by FTIR, PXRD, SEM, and thermo gravimetric analysis. Chirality within these CMOFs 1-3 was established by circular dichroism (CD) and polarimetric methods. These three CMOFs 1-3 showed enantioselectivity towards RS-ibuprofen, RS-mandelic acid and RS-1-phenylethanol to varying extents. Their enantioselectivity towards racemates was studied by chiral HPLC and polarimetry.
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Affiliation(s)
- Farzana Yasmeen
- Department of Chemistry, Allama Iqbal Open University Islamabad Pakistan +9251-9057818 +9251-5975200
| | - Uzma Yunus
- Department of Chemistry, Allama Iqbal Open University Islamabad Pakistan +9251-9057818 +9251-5975200
| | - Moazzam H Bhatti
- Department of Chemistry, Allama Iqbal Open University Islamabad Pakistan +9251-9057818 +9251-5975200
| | - Muhammad Sher
- Department of Chemistry, Allama Iqbal Open University Islamabad Pakistan +9251-9057818 +9251-5975200
| | - Muhammad Nadeem
- Department of Chemistry, Allama Iqbal Open University Islamabad Pakistan +9251-9057818 +9251-5975200
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15
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Daneshvar Tarigh G. Enantioseparation/Recognition based on nano techniques/materials. J Sep Sci 2023:e2201065. [PMID: 37043692 DOI: 10.1002/jssc.202201065] [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: 12/31/2022] [Revised: 03/15/2023] [Accepted: 03/18/2023] [Indexed: 04/14/2023]
Abstract
Enantiomers show different behaviors in interaction with the chiral environment. Due to their identical chemical structure and their wide application in various industries, such as agriculture, medicine, pesticide, food, and so forth, their separation is of great importance. Today, the term "nano" is frequently encountered in all fields. Technology and measuring devices are moving towards miniaturization, and the usage of nanomaterials in all sectors is expanding substantially. Given that scientists have recently attempted to apply miniaturized techniques known as nano-liquid chromatography/capillary-liquid chromatography, which were originally accomplished in 1988, as well as the widespread usage of nanomaterials for chiral resolution (back in 1989), this comprehensive study was developed. Searching the terms "nano" and "enantiomer separation" on scientific websites such as Scopus, Google Scholar, and Web of Science yields articles that either use miniaturized instruments or apply nanomaterials as chiral selectors with a variety of chemical and electrochemical detection techniques, which are discussed in this article.
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Affiliation(s)
- Ghazale Daneshvar Tarigh
- Department of Analytical Chemistry, University College of Science, University of Tehran, Tehran, Iran
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16
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Zheng X, Zhang Q, Ma Q, Li X, Zhao L, Sun X. A chiral metal-organic framework {(HQA)(ZnCl 2)(2.5H 2O)} n for the enantioseparation of chiral amino acids and drugs. J Pharm Anal 2023; 13:421-429. [PMID: 37181296 PMCID: PMC10173174 DOI: 10.1016/j.jpha.2023.03.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 03/03/2023] [Accepted: 03/10/2023] [Indexed: 03/28/2023] Open
Abstract
Chiral metal-organic frameworks (CMOFs) with enantiomeric subunits have been employed in chiral chemistry. In this study, a CMOF formed from 6-methoxyl-(8S,9R)-cinchonan-9-ol-3-carboxylic acid (HQA) and ZnCl2, {(HQA)(ZnCl2)(2.5H2O)}n, was constructed as a chiral stationary phase (CSP) via an in situ fabrication approach and used for chiral amino acid and drug analyses for the first time. The {(HQA)(ZnCl2)(2.5H2O)}n nanocrystal and the corresponding chiral stationary phase were systematically characterised using a series of analytical techniques including scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, circular dichroism, X-ray photoelectron spectroscopy, thermogravimetric analysis, and Brunauer-Emmett-Teller surface area measurements. In open-tubular capillary electrochromatography (CEC), the novel chiral column exhibited strong and broad enantioselectivity toward a variety of chiral analytes, including 19 racemic dansyl amino acids and several model chiral drugs (both acidic and basic). The chiral CEC conditions were optimised, and the enantioseparation mechanisms are discussed. This study not only introduces a new high-efficiency member of the MOF-type CSP family but also demonstrates the potential of improving the enantioselectivities of traditional chiral recognition reagents by fully using the inherent characteristics of porous organic frameworks.
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Affiliation(s)
- Xiangtai Zheng
- Shanghai Engineering Research Center of Organ Repair, School of Medicine, Shanghai University, Shanghai, 200444, China
- Department of Pharmacy, Shanghai Baoshan Luodian Hospital, Shanghai, 201908, China
| | - Qi Zhang
- School of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
| | - Qianjie Ma
- Shanghai Engineering Research Center of Organ Repair, School of Medicine, Shanghai University, Shanghai, 200444, China
| | - Xinyu Li
- Shanghai Engineering Research Center of Organ Repair, School of Medicine, Shanghai University, Shanghai, 200444, China
| | - Liang Zhao
- Department of Pharmacy, Shanghai Baoshan Luodian Hospital, Shanghai, 201908, China
- Luodian Clinical Drug Research Center, Institute for Translational Medicine Research, Shanghai University, Shanghai, 200444, China
| | - Xiaodong Sun
- Shanghai Engineering Research Center of Organ Repair, School of Medicine, Shanghai University, Shanghai, 200444, China
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17
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Hefnawy M, El-Gendy M, Al-Salem H, Marenga H, El-Azab A, Abdel-Aziz A, Gamal AE, Alanazi M, Obaidullah A, Al-Hossaini A, Hefnawy A. Trends in monoliths: Packings, stationary phases and nanoparticles. J Chromatogr A 2023; 1691:463819. [PMID: 36724721 DOI: 10.1016/j.chroma.2023.463819] [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: 09/27/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023]
Abstract
Monoliths media are gaining interest as excellent substitutes to conventional particle-packed columns. Monolithic columns show higher permeability and lower flow resistance than conventional liquid chromatography columns, providing high-throughput performance, resolution and separation in short run times. Monolithic columns with longer length, smaller inner diameter and specific selectivity to peptides or enantiomers have been played important role in hyphenated system. Monolithic stationary phases possess great efficiency, resolution, selectivity and sensitivity in the separation of complex biological samples, such as the complex mixtures of peptides for proteome analysis. The development of monolithic stationary phases has opened the new avenue in chromatographic separation science and is in turn playing much more important roles in the wide application area. Monolithic stationary phases have been widely used in fast and high efficiency one- and multi-dimensional separation systems, miniaturized devices, and hyphenated system coupled with mass spectrometers. The developing technology for preparation of monolithic stationary phases is revolutionizing the column technology for the separation of complex biological samples. These techniques using porous monoliths offer several advantages, including miniaturization and on-line coupling with analytical instruments. Additionally, monoliths are ideal support media for imprinting template-specific sites, resulting in the so-called molecularly-imprinted monoliths, with ultra-high selectivity. In this review, the origin of the concept, the differences between their characteristics and those of traditional packings, their advantages and drawbacks, theory of separations, the methods for the monoliths preparation of different forms, nanoparticle monoliths and metal-organic framework are discussed. Two application areas of monolithic metal-organic framework and nanoparticle monoliths are provided. The review article discusses the results reported in a total of 218 references. Other older references were included to illustrate the historical development of monoliths, both in preparation and types, as well as separation mechanism.
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Affiliation(s)
- Mohamed Hefnawy
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia; Department of Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt.
| | - Manal El-Gendy
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Huda Al-Salem
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Hanin Marenga
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Adel El-Azab
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Alaa Abdel-Aziz
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Ali El Gamal
- Department of Pharmacognosy and Medicinal, Aromatic & Poisonous Plant Research Center (MAPPRC), College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Mohammed Alanazi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Ahmad Obaidullah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Abdullah Al-Hossaini
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P. O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Abdullah Hefnawy
- Faculty of Medicine, Mansoura Manchester Medical Program, Mansoura University, Mansoura, Egypt
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18
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Ma M, Chen J, Liu H, Huang Z, Huang F, Li Q, Xu Y. A review on chiral metal-organic frameworks: synthesis and asymmetric applications. NANOSCALE 2022; 14:13405-13427. [PMID: 36070182 DOI: 10.1039/d2nr01772e] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Chiral metal-organic frameworks (CMOFs) have the characteristics of framework structure diversity and functional tunability, and have important applications in the fields of chiral identification, separation of enantiomers and asymmetric catalysis. In recent years, the application of CMOFs has also been extended to other research fields, such as circularly polarized fluorescence and chiral ferroelectrics. Compared with achiral MOFs, the design of CMOFs only considers the modes of introduction of chirality, and also takes into account the crystallization and purification. Therefore, the synthesis and characterization of CMOFs face many difficult challenges. This review discusses three effective strategies for constructing CMOFs, including direct synthesis of chiral ligands, spontaneous resolution of achiral ligands or chiral template-induced synthesis, and post-synthetic chiralization of achiral MOFs. In addition, this review also discusses the recent application progress of CMOFs in chiral molecular recognition, enantiomer separation, asymmetric catalysis, circularly polarized fluorescence, and chiral ferroelectrics.
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Affiliation(s)
- Mingxuan Ma
- Department of Pharmacy, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province 225000, People's Republic of China.
| | - Jiahuan Chen
- Department of Pharmacy, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province 225000, People's Republic of China.
| | - Hongyu Liu
- Department of Pharmacy, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province 225000, People's Republic of China.
| | - Zhonghua Huang
- Department of Pharmacy, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province 225000, People's Republic of China.
| | - Fuhong Huang
- Department of Pharmacy, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province 225000, People's Republic of China.
| | - Quanliang Li
- Department of Pharmacy, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province 225000, People's Republic of China.
| | - Yuan Xu
- Department of Pharmacy, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, Jiangsu Province 225000, People's Republic of China.
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19
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Huang Y, Chen J, Fu G, Zhang C, Qiu H. A new stationary phase based on porous graphene for capillary gas chromatography. SEPARATION SCIENCE PLUS 2022. [DOI: 10.1002/sscp.202200054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yanni Huang
- Xinjiang Uygur Autonomous Region Fiber Quality Monitoring Center Urumqi P. R. China
- College of Chemistry and Chemical Engineering Xinjiang Normal University Urumqi P. R. China
| | - Jia Chen
- 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 P. R. China
| | - Gafang Fu
- College of Chemistry and Chemical Engineering Xinjiang Normal University Urumqi P. R. China
| | - Chi Zhang
- 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 P. R. 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 P. R. China
- College of Chemistry and Chemical Engineering Xinjiang Normal University Urumqi P. R. China
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20
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Chen Y, Xia L, Li G. The progress on porous organic materials for chiral separation. J Chromatogr A 2022; 1677:463341. [PMID: 35870277 DOI: 10.1016/j.chroma.2022.463341] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/02/2022] [Accepted: 07/12/2022] [Indexed: 11/25/2022]
Abstract
Chiral compounds have similar structures and properties, but their pharmacological action is very different or even opposite. Therefore, the separation of chiral compounds has great significance in pharmaceutical and agriculture. Porous organic materials are novel crystalline porous materials, which possess high surface area, controllable pore size, and favorable functionalization. Therefore, porous organic materials are considered to be an ideal material for chiral separation. In this review, we summarized the progress of chiral porous organic materials for chiral separation in recent years. Furthermore, the applications of chiral porous organic materials as chiral separation medias (chromatography stationary phases and membrane materials) in enantioseparation were highlighted. Finally, the remaining challenges and future directions for porous organic materials in chiral separation were also briefly outlined further to promote the development of porous organic materials in chiral separation.
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Affiliation(s)
- Yanlong Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China; School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, China
| | - Ling Xia
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510006, China.
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21
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Dhurjad P, Dhalaram CS, Ali N, Kumari N, Sonti R. Metal-organic frameworks in chiral separation of pharmaceuticals. Chirality 2022; 34:1419-1436. [PMID: 35924487 DOI: 10.1002/chir.23499] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 12/18/2022]
Abstract
Stereoselective chiral molecules are responsible for specific biological functions in nature. At present, more than half of the prescribed drugs are chiral. Living organisms display divergent pharmacological responses to the enantiomers, leading to altered toxicity, pharmacokinetics, and pharmacodynamics. Thus, chiral analysis, separation, and extraction are crucial for ensuring enantiomeric purity to develop safe and effective medication. In recent times, metal-organic frameworks (MOFs) with appealing structures are gaining importance because of their fascinating properties as a sorbent and stationary phase. MOFs are crystalline porous solid materials built by interconnecting metal ions or clusters and organic linkers. This review explores the advancements in MOFs for the isolation and separation of chiral active pharmaceutical drugs.
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Affiliation(s)
- Pooja Dhurjad
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Choudhary Sampat Dhalaram
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Nazish Ali
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Nikita Kumari
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
| | - Rajesh Sonti
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, Telangana, India
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22
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Peluso P, Chankvetadze B. Recognition in the Domain of Molecular Chirality: From Noncovalent Interactions to Separation of Enantiomers. Chem Rev 2022; 122:13235-13400. [PMID: 35917234 DOI: 10.1021/acs.chemrev.1c00846] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
It is not a coincidence that both chirality and noncovalent interactions are ubiquitous in nature and synthetic molecular systems. Noncovalent interactivity between chiral molecules underlies enantioselective recognition as a fundamental phenomenon regulating life and human activities. Thus, noncovalent interactions represent the narrative thread of a fascinating story which goes across several disciplines of medical, chemical, physical, biological, and other natural sciences. This review has been conceived with the awareness that a modern attitude toward molecular chirality and its consequences needs to be founded on multidisciplinary approaches to disclose the molecular basis of essential enantioselective phenomena in the domain of chemical, physical, and life sciences. With the primary aim of discussing this topic in an integrated way, a comprehensive pool of rational and systematic multidisciplinary information is provided, which concerns the fundamentals of chirality, a description of noncovalent interactions, and their implications in enantioselective processes occurring in different contexts. A specific focus is devoted to enantioselection in chromatography and electromigration techniques because of their unique feature as "multistep" processes. A second motivation for writing this review is to make a clear statement about the state of the art, the tools we have at our disposal, and what is still missing to fully understand the mechanisms underlying enantioselective recognition.
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Affiliation(s)
- Paola Peluso
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, Li Punti, I-07100 Sassari, Italy
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Avenue 3, 0179 Tbilisi, Georgia
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23
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A chiral metal-organic cage [Fe4L6](ClO4)8 used for capillary gas chromatographic separations. Anal Chim Acta 2022; 1224:340197. [DOI: 10.1016/j.aca.2022.340197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 07/20/2022] [Accepted: 07/21/2022] [Indexed: 11/17/2022]
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24
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Firooz SK, Armstrong DW. Metal-organic frameworks in separations: A review. Anal Chim Acta 2022; 1234:340208. [DOI: 10.1016/j.aca.2022.340208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 11/01/2022]
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25
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Li H, Wang L, Yan S, Chen J, Zhang M, Zhao R, Niu X, Wang K. Fusiform-like metal-organic framework for enantioselective discrimination of tryptophan enantiomers. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Liu C, Jin Y, Qi D, Ding X, Ren H, Wang H, Jiang J. Enantioselective assembly and recognition of heterochiral porous organic cages deduced from binary chiral components. Chem Sci 2022; 13:7014-7020. [PMID: 35774155 PMCID: PMC9200113 DOI: 10.1039/d2sc01876d] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/20/2022] [Indexed: 11/21/2022] Open
Abstract
Chiral recognition and discrimination is not only of significance in biological processes but also a powerful method to fabricate functional supramolecular materials. Herein, a pair of heterochiral porous organic cages (HPOC-1), out of four possible enantiomeric products, with mirror stereoisomeric crystal structures were cleanly prepared by condensation occurring in the exclusive combination of cyclohexanediamine and binaphthol-based tetraaldehyde enantiomers. Nuclear magnetic resonance and luminescence spectroscopy have been employed to monitor the assembly process of HPOC-1, revealing the clean formation of heterochiral organic cages due to the enantioselective recognition of (S,S)-binaphthol towards (R,R)-cyclohexanediamine derivatives and vice versa. Interestingly, HPOC-1 exhibits circularly polarized luminescence and enantioselective recognition of chiral substrates according to the circular dichroism spectral change. Theoretical simulations have been carried out, rationalizing both the enantioselective assembly and recognition of HPOC-1.
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Affiliation(s)
- Chao Liu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Yucheng Jin
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Dongdong Qi
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Xu Ding
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Huimin Ren
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Hailong Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Jianzhuang Jiang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
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Gao L, Hu X, Qin S, Chu H, Tang Y, Li X, Wang B. One-pot synthesis of a novel chiral Zr-based metal-organic framework for capillary electrochromatographic enantioseparation. Electrophoresis 2022; 43:1161-1173. [PMID: 35312084 DOI: 10.1002/elps.202200020] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 02/21/2022] [Indexed: 12/29/2022]
Abstract
A novel chiral stationary phase (CSP) of Zr-based metal-organic framework, l-Cys-PCN-224, was prepared by one-pot method and applied for the enantioseparation by capillary electrochromatography. The CSP was characterized by X-ray diffraction, thermogravimetric analysis, X-ray photoelectron spectroscopy, Fourier-transform infrared spectra, nitrogen adsorption/desorption, circular dichroism spectrum, zeta-potential, and so on. The results revealed that the CSP had good crystallinity, high specific surface area (2580 m2 /g), and good thermal stability. Meanwhile, the cross-section of l-Cys-PCN-224-bonded open-tubular (OT) column was observed by a scanning electron microscope, which proved the successful bonding of l-Cys-PCN-224 particles to the inner wall. Relative standard deviations of the column efficiencies were 3.87%-9.14%, and not obviously changed after 200 runs, which indicated that l-Cys-PCN-224-bonded OT column had the better stability and reproducibility. Excellent chiral separation performance was verified with nine kinds of natural amino acids including acidic, neutral, and basic as the analytes. All amino acids studied achieved good separation with the resolution of 1.38-13.9 and selector factor of 1.11-3.71. These results demonstrated that the CSP had an excellent potential in the chiral separation field.
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Affiliation(s)
- Lidi Gao
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China
| | - Xingfang Hu
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China
| | - Shili Qin
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China
| | - Hongtao Chu
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China
| | - Yimin Tang
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China
| | - Xue Li
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar, P. R. China
| | - Binbin Wang
- College of food and Bioengineering, Qiqihar University, Qiqihar, P. R. China
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Chiral hydrogen-bonded organic frameworks used as a chiral stationary phase for chiral separation in gas chromatography. J Chromatogr A 2022; 1675:463150. [PMID: 35660319 DOI: 10.1016/j.chroma.2022.463150] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/02/2022] [Accepted: 05/13/2022] [Indexed: 11/22/2022]
Abstract
Hydrogen-bonded organic frameworks (HOFs) are two dimensional (2D) or three dimensional (3D) porous crystalline materials constructed by Hydrogen bond interaction. In recent years, a variety of functional HOF materials have been successfully synthesized and used in structural identification, environmental pollutant removal, chiral resolution, drug delivery, fluorescence sensing, etc. Here, we first reported that a HOF to coated capillary column for high-resolution gas chromatographic separation of a wide range of analytes, including n-alkanes, n-alcohols, polycyclic aromatic hydrocarbons, and positional isomers, especially for racemates, the HOFs column showed excellent separation repeatability and reproducibility. The relative standard deviation (RSD) values for the retention times were in the range of 0.37-2.43% for run to run (n = 3), 0.38-2.51% for day-to-day (n = 3), and 0.31-2.54% for column-to-column (n = 3), respectively. Moreover, we applied density-functional theory to calculate the adsorption of enantiomers in HOF structures. This work proved that the HOFs had great application prospects as stationary phase in gas chromatography.
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Preparation and application of porous organic cage capillary electrochromatographic chiral column. Se Pu 2022; 40:391-398. [PMID: 35362687 PMCID: PMC9404018 DOI: 10.3724/sp.j.1123.2021.07004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
多孔有机笼(POCs)是一种新型的具有稳定有序三维空腔结构的多孔材料。通过2-羟基-1,3,5-均苯三甲醛与1R,2R-1,2-二苯基乙二胺发生席夫碱的缩合反应,合成了一种具有羟基功能基团的单一手性POCs材料;将其均匀涂敷在毛细管壁上制成色谱柱,利用电色谱柱成功拆分了二氢黄酮、吡喹酮、萘普生和3,5-二硝基-N-(1-苯乙基)苯甲酰胺4种手性化合物。探究了分离电压、缓冲溶液浓度及其pH值等因素对手性拆分的影响,获得了4种手性物质在POCs色谱柱上的最佳拆分条件。实验研究表明,二氢黄酮、吡喹酮、萘普生和3,5-二硝基-N-(1-苯乙基)苯甲酰胺获得优化分离效果所需的工作电压分别为13、14、14和12 kV;二氢黄酮适宜Tris-H3PO4缓冲溶液浓度为0.075 mol/L,吡喹酮、萘普生和3,5-二硝基-N-(1-苯乙基)苯甲酰胺适宜Tris-H3PO4缓冲溶液浓度为0.100 mol/L; 4种手性物质得到最佳分离效果时的pH值均为3.51。二氢黄酮、吡喹酮、萘普生和3,5-二硝基-N-(1-苯乙基)苯甲酰胺均达到基线分离,分离度分别为2.99、2.10、2.58和3.59。该POCs色谱柱还成功拆分了o,m,p-碘苯胺、o,m,p-硝基苯胺两种位置异构体。该研究表明POCs手性电色谱柱具有良好的手性识别能力,是一种优秀的手性分离材料,具有很大的电色谱手性分离应用前景。
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Abstract
In the past two decades, metal-organic frameworks (MOFs) or porous coordination polymers (PCPs) assembled from metal ions or clusters and organic linkers via metal-ligand coordination bonds have captivated significant scientific interest on account of their high crystallinity, exceptional porosity, and tunable pore size, high modularity, and diverse functionality. The opportunity to achieve functional porous materials by design with promising properties, unattainable for solid-state materials in general, distinguishes MOFs from other classes of materials, in particular, traditional porous materials such as activated carbon, silica, and zeolites, thereby leading to complementary properties. Scientists have conducted intense research in the production of chiral MOF (CMOF) materials for specific applications including but not limited to chiral recognition, separation, and catalysis since the discovery of the first functional CMOF (i.e., d- or l-POST-1). At present, CMOFs have become interdisciplinary between chirality chemistry, coordination chemistry, and material chemistry, which involve in many subjects including chemistry, physics, optics, medicine, pharmacology, biology, crystal engineering, environmental science, etc. In this review, we will systematically summarize the recent progress of CMOFs regarding design strategies, synthetic approaches, and cutting-edge applications. In particular, we will highlight the successful implementation of CMOFs in asymmetric catalysis, enantioselective separation, enantioselective recognition, and sensing. We envision that this review will provide readers a good understanding of CMOF chemistry and, more importantly, facilitate research endeavors for the rational design of multifunctional CMOFs and their industrial implementation.
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Affiliation(s)
- Wei Gong
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Zhijie Chen
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Jinqiao Dong
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Yan Liu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Yong Cui
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
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31
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Lidi G, Xingfang H, Shili Q, Hongtao C, Xuan Z, Bingbing W. l-Cysteine modified metal-organic framework as a chiral stationary phase for enantioseparation by capillary electrochromatography. RSC Adv 2022; 12:6063-6075. [PMID: 35424547 PMCID: PMC8981955 DOI: 10.1039/d1ra07909c] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/11/2022] [Indexed: 12/02/2022] Open
Abstract
A new kind of chiral zirconium based metal-organic framework, l-Cys-PCN-222, was synthesized using l-cysteine (l-Cys) as a chiral modifier by a solvent-assisted ligand incorporation approach and utilized as the chiral stationary phase in the capillary electrochromatography system. l-Cys-PCN-222 was characterized by X-ray diffraction, thermogravimetric analysis, X-ray photoelectron spectroscopy, Fourier-transform infrared spectra, nitrogen adsorption/desorption, circular dichroism spectrum, zeta-potential and so on. The results revealed that l-Cys-PCN-222 had the advantages of good crystallinity, high specific surface area (1818 m2 g-1), thermal stability and chiral recognition performance. Meanwhile, the l-Cys-PCN-222-bonded open-tubular column was prepared using l-Cys-PCN-222 particles as the solid phase by 'thiol-ene' click chemistry reaction and characterized by scanning electron microscopy, which proved the successful bonding of l-Cys-PCN-222 to the column inner wall. Finally, the stability, reproducibility and chiral separation performance of the l-Cys-PCN-222-bonded OT column were measured. Relative standard deviations (RSD) of the column efficiencies for run-to-run, day-to-day, column-to-column and runs were 1.39-6.62%, and did not obviously change after 200 runs. The enantiomeric separation of 17 kinds of chiral compounds including acidic, neutral and basic amino acids, imidazolinone and aryloxyphenoxypropionic pesticides, and fluoroquinolones were achieved in the l-Cys-PCN-222-bonded OT column. These results demonstrated that the chiral separation system of the chiral metal-organic frameworks (CMOFs) coupled with capillary electrochromatography has good application prospects.
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Affiliation(s)
- Gao Lidi
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar Heilongjiang 161006 China +86 0452 2738214
| | - Hu Xingfang
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar Heilongjiang 161006 China +86 0452 2738214
| | - Qin Shili
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar Heilongjiang 161006 China +86 0452 2738214
| | - Chu Hongtao
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar Heilongjiang 161006 China +86 0452 2738214
| | - Zhao Xuan
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar Heilongjiang 161006 China +86 0452 2738214
| | - Wang Bingbing
- College of Food and Bioengineering, Qiqihar University Qiqihar 161006 China
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32
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Metal-organic framework-based core-shell composites for chromatographic stationary phases. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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33
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Hou B, Li Z, Kang X, Jiang H, Cui Y. Recent Advances of Covalent Organic Frameworks for Chiral Separation. Chem Res Chin Univ 2022. [DOI: 10.1007/s40242-022-1490-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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34
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Sang Y, Liu M. Hierarchical self-assembly into chiral nanostructures. Chem Sci 2022; 13:633-656. [PMID: 35173928 PMCID: PMC8769063 DOI: 10.1039/d1sc03561d] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 11/09/2021] [Indexed: 12/11/2022] Open
Abstract
One basic principle regulating self-assembly is associated with the asymmetry of constituent building blocks or packing models. Using asymmetry to manipulate molecular-level devices and hierarchical functional materials is a promising topic in materials sciences and supramolecular chemistry. Here, exemplified by recent major achievements in chiral hierarchical self-assembly, we show how chirality may be utilized in the design, construction and evolution of highly ordered and complex chiral nanostructures. We focus on how unique functions can be developed by the exploitation of chiral nanostructures instead of single basic units. Our perspective on the future prospects of chiral nanostructures via the hierarchical self-assembly strategy is also discussed.
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Affiliation(s)
- Yutao Sang
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China
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35
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Yuan C, Jia W, Yu Z, Li Y, Zi M, Yuan LM, Cui Y. Are Highly Stable Covalent Organic Frameworks the Key to Universal Chiral Stationary Phases for Liquid and Gas Chromatographic Separations? J Am Chem Soc 2022; 144:891-900. [PMID: 34989226 DOI: 10.1021/jacs.1c11051] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
High-performance liquid chromatography (HPLC) and gas chromatography (GC) over chiral stationary phases (CSPs) represent the most popular and highly applicable technology in the field of chiral separation, but there are currently no CSPs that can be used for both liquid and gas chromatography simultaneously. We demonstrate here that two olefin-linked covalent organic frameworks (COFs) featuring chiral crown ether groups can be general CSPs for extensive separation not only in GC but also in normal-phase and reversed-phase HPLC. Both COFs have the same 2D layered porous structure but channels of different sizes and display high stability under different chemical environments including water, organic solvents, acids, and bases. Chiral crown ethers are periodically aligned within the COF channels, allowing for enantioselective recognition of guest molecules through intermolecular interactions. The COF-packed HPLC and GC columns show excellent complementarity and each affords high resolution, selectivity, and durability for the separation of a wide range of racemic compounds, including amino acids, esters, lactones, amides, alcohols, aldehydes, ketones, and drugs. The resolution performances are comparable to and the versatility is superior to those of the most widely used commercial chiral columns, showing promises for practical applications. This work thus advances COFs with high stability as potential universal CSPs for chromatography that are otherwise hard or impossible to produce.
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Affiliation(s)
- Chen Yuan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Wenyan Jia
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Ziyun Yu
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Yanan Li
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Min Zi
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming 650500, P. R. China
| | - Yong Cui
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
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36
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Drop-coated molybdenum disulfide-ionic liquid for improving the electrochemical chiral recognition ability of chitosan. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2021.115921] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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37
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Cao W, Missen OP, Turner DR. Enantioselective chiral sorption of 1-phenylethanol by homochiral 1D coordination polymers. Inorg Chem Front 2022. [DOI: 10.1039/d1qi01457a] [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
Enantiomeric selectivity is shown within the pores of a 1D coordination polymer, dependent on the nature of the pore space.
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Affiliation(s)
- Winnie Cao
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
| | - Owen P. Missen
- School of Earth, Atmosphere and Environment, Monash University, Clayton, VIC 3800, Australia
- Geosciences, Museums Victoria, Melbourne, VIC 3001, Australia
| | - David R. Turner
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia
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38
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Yan X, Qu H, Chang Y, Duan X. Application of Metal-Organic Frameworks in Gas Pre-concentration, Pre-separation and Detection. ACTA CHIMICA SINICA 2022. [DOI: 10.6023/a22030134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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39
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Pu Y, Shi J, Shi B, Li G, Du Y. Quaternized chitin used as chiral stationary phase for HPLC and the high enantioseparation of 1,2,3,4-tetrahydro-1-naphthalenamine racemates. Int J Biol Macromol 2021; 193:809-813. [PMID: 34728299 DOI: 10.1016/j.ijbiomac.2021.10.202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/19/2021] [Accepted: 10/26/2021] [Indexed: 11/30/2022]
Abstract
Quaternized chitin (QC) with different degrees of substitution (DSs) and molecular weight (Mw) were homogeneously synthesized. Eight novel chiral stationary phases (CSPs) for HPLC were prepared by coating the QC on 3-aminopropyl silica gel, which were firstly used to separate 1,2,3,4-tetrahydro-1-naphthalenamine (THNA) racemates. Enantioseparation capability of the CSPs was evaluated and the influence factors including DS and Mw of QCs were explored respectively. The results demonstrated that the successful separation of THNA enantiomers was obtained by all the new CSPs of the chitin derivatives. Resolution (Rs) increased from 1.12 to 1.58 with the increase of DS of QC from 0.40 to 0.62, while the Rs decreased with the reduction of Mw of the products from 2.8 × 105 to 9.7 × 104. The maximum Rs is 2.29. A simple pathway for the fabrication of novel CSPs of cationic chitin derivatives is developed, which has potential application for the separation of THAN racemates.
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Affiliation(s)
- Yuanlin Pu
- Pediatric Intensive Care Unit, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
| | - Jie Shi
- School of Chemical and Environmental Engineering, Key Laboratory of Biological Resources Protection and Utilization of Hubei Province, Hubei Minzu University, Enshi 445000, China
| | - Boan Shi
- School of Chemical and Environmental Engineering, Key Laboratory of Biological Resources Protection and Utilization of Hubei Province, Hubei Minzu University, Enshi 445000, China
| | - Guoxiang Li
- School of Chemical and Environmental Engineering, Key Laboratory of Biological Resources Protection and Utilization of Hubei Province, Hubei Minzu University, Enshi 445000, China.
| | - Yumin Du
- School of Resource and Environmental Science, Wuhan University, Wuhan 430079, China
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40
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Zhang JH, Xie SM, Yuan LM. Recent progress in the development of chiral stationary phases for high-performance liquid chromatography. J Sep Sci 2021; 45:51-77. [PMID: 34729907 DOI: 10.1002/jssc.202100593] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/25/2021] [Accepted: 10/27/2021] [Indexed: 12/20/2022]
Abstract
Separations and analyses of chiral compounds are important in many fields, including pharmaceutical production, preparation of chemical intermediates, and biochemistry. High-performance liquid chromatography using a chiral stationary phase is regarded as one of the most valuable methods for enantiomeric separation and analysis because it is highly efficient, is broadly applicable, and has powerful separation capability. The focus for development of this method is the identification of novel chiral stationary phases with superior recognition performance and good stability. The present article reviews recent progress in the development of new chiral stationary phases for high-performance liquid chromatography between January 2018 and June 2021. These newly reported chiral stationary phases are divided into three categories: small organic molecule-based (cyclodextrin and its derivatives, macrocyclic antibiotics, cinchona alkaloids, and other low molecular weight chiral molecules), macromolecule-based (cellulose and amylose derivatives, chitin and chitosan derivatives, and synthetic helical polymers) and chiral porous material-based (chiral metal-organic frameworks, chiral covalent organic frameworks, and chiral inorganic mesoporous silicas). Each type of chiral stationary phase is discussed in detail.
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Affiliation(s)
- Jun-Hui Zhang
- Department of Chemistry, Yunnan Normal University, Kunming, P. R. China
| | - Sheng-Ming Xie
- Department of Chemistry, Yunnan Normal University, Kunming, P. R. China
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming, P. R. China
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42
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Chen JK, Yu YY, Xu NY, Guo P, Zhang JH, Wang BJ, Xie SM, Yuan LM. Chiral polyaniline modified Metal-Organic framework Core-Shell composite MIL-101@c-PANI for HPLC enantioseparation. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106576] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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43
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Chiral metal–organic frameworks based on asymmetric synthetic strategies and applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214083] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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44
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Chen JK, Xu NY, Guo P, Wang BJ, Zhang JH, Xie SM, Yuan LM. A chiral metal-organic framework core-shell microspheres composite for high-performance liquid chromatography enantioseparation. J Sep Sci 2021; 44:3976-3985. [PMID: 34490989 DOI: 10.1002/jssc.202100557] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/30/2021] [Accepted: 08/31/2021] [Indexed: 11/05/2022]
Abstract
The unique features of uniform and adjustable cavities, abundant chiral active sites, and high enantioselectivity make chiral metal-organic frameworks popular as an emerging candidate for enantioselective separation. However, the wide particle size distribution and irregular shape of as-synthesized metal-organic frameworks result in low column efficiency, undesired chromatographic peak shape, and high column backpressure of such metal-organic frameworks packed columns. Herein, we report the fabrication of chiral core-shell microspheres [Cu2 (d-Cam)2 (4,4'-bpy)]n @SiO2 composite for high-performance liquid chromatography enantioseparation to overcome the above-mentioned problems. The [Cu2 (d-Cam)2 (4,4'-bpy)]n @SiO2 packed column gave high-resolution separation of racemates under low column backpressure (10-22 bar), indicating its synergistic effect of the good column packing property of the SiO2 microspheres and the chiral recognition ability of [Cu2 (d-Cam)2 (4,4'-bpy)]n crystals. Thirteen kinds of chiral compounds including alcohols, amines, ketones, epoxides, and organic bases were well separated with good peak shapes and high column efficiency (18200 plates/m for 1-(9-anthryl)-2,2,2-trifluoroethanol) on the [Cu2 (d-Cam)2 (4,4'-bpy)]n @SiO2 packed column. Among them, seven pairs of enantiomers achieved baseline separation and the resolution value for 1-(9-anthryl)-2,2,2-trifluoroethanol reached 11.22. Some effects such as column temperature, and analytes mass on the enantioseparations have been investigated. In addition, the [Cu2 (d-Cam)2 (4,4'-bpy)]n @SiO2 packed column exhibited good stability and repeatability for the separation of chiral compounds. The relative standard deviations for five replicate separations of 1-phenylethanol were less than 1.0, 1.5, 3.0, and 2.0% for the retention time, peak area, number of theoretical plates, and resolution, respectively. The research results demonstrated the development of chiral metal-organic frameworks core-shell microspheres composite provide a promising platform for their practical application in chiral separation fields.
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Affiliation(s)
- Ji-Kai Chen
- Department of Chemistry, Yunnan Normal University, Kunming, P.R. China
| | - Na-Yan Xu
- Department of Chemistry, Yunnan Normal University, Kunming, P.R. China
| | - Ping Guo
- Department of Chemistry, Yunnan Normal University, Kunming, P.R. China
| | - Bang-Jin Wang
- Department of Chemistry, Yunnan Normal University, Kunming, P.R. China
| | - Jun-Hui Zhang
- Department of Chemistry, Yunnan Normal University, Kunming, P.R. China
| | - Sheng-Ming Xie
- Department of Chemistry, Yunnan Normal University, Kunming, P.R. China
| | - Li-Ming Yuan
- Department of Chemistry, Yunnan Normal University, Kunming, P.R. China
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45
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Li X, Chen Q, Tong X, Zhang S, Liu H. Chiral separation of β-cyclodextrin modified graphene oxide membranes with a complete enantioseparation performance. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119350] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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46
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Chemically functionalized MIL-101-NH2 with cobalt(II) tetrasulfophthalocyanine: an efficient catalyst for the aerobic oxidation of alcohols and one-pot tandem conversion of alcohols to propargylamines. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.06.046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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47
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Song Y, Lu S, Hai J, Liang K, Sun S, Meng G, Wang B. Nitrogen-Doped Chiral CuO/CoO Nanofibers: An Enhanced Electrochemiluminescence Sensing Strategy for Detection of 3,4-Dihydroxy-Phenylalanine Enantiomers. Anal Chem 2021; 93:11470-11478. [PMID: 34379390 DOI: 10.1021/acs.analchem.1c01497] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
l-3,4-Dihydroxy-phenylalanine (l-DOPA) is the most effective drug for the treatment of Parkinson's disease, which plays a very important role in clinical and neurochemistry. However, how to achieve high-sensitivity recognition of l-DOPA still faces challenges. Here, a facile strategy is presented to construct nitrogen-doped chiral CuO/CoO nanofibers (N-CuO/CoO NFs) with nanozyme activity and electrochemiluminescence property, in which CuO/CoO NFs are used as the catalytic activity center and chiral cysteine (Cys) is used as the inducer of chiral recognition, for enantioselective catalysis and sensitive recognition of DOPA enantiomers. Notably, N doping not only enhances the enzyme-mimic activity of CuO/CoO NFs but also amplifies their electrochemiluminescence (ECL) signals in the presence of luminol. More importantly, in the presence of DOPA enantiomers, the d-cysteine (d-Cys)-modified N-CuO/CoO NFs exhibit different ECL performances; thus, d-Cys@N-CuO/CoO NFs could selectively distinguish and sensitively detect l-DOPA through ECL signals, and the detection limit is 0.29 nM for l-DOPA. In addition, it also showed good sensing performance for the determination of l-DOPA in fetal bovine serum. This is the first report on the detection of DOPA enantiomers based on an enhanced ECL strategy, providing a robust pathway for chiral discrimination and detection of chiral molecules.
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Affiliation(s)
- Yanxia Song
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou 730000, P. R. China
| | - Siyu Lu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450000, P. R. China
| | - Jun Hai
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou 730000, P. R. China
| | - Kun Liang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou 730000, P. R. China
| | - Shihao Sun
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou 730000, P. R. China
| | - Genping Meng
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou 730000, P. R. China
| | - Baodui Wang
- State Key Laboratory of Applied Organic Chemistry and Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Lanzhou University, Lanzhou 730000, P. R. China
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48
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Zhao Y, Zhu X, Jiang W, Liu H, Wang J, Sun B. Natural and Artificial Chiral-Based Systems for Separation Applications. Crit Rev Anal Chem 2021; 53:27-45. [PMID: 34152894 DOI: 10.1080/10408347.2021.1932408] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Chiral separation has attracted much attention for basic research and industrial applications in analytical chemistry. Generally, chiral separations use natural or artificial chiral-based materials as adsorbents. To improve the precision and efficiency of chiral separation, focus has shifted from natural and synthetic adsorbents to binary combinations of materials. This review specifically summarizes the significant advancements made in natural and artificial chiral adsorbents as promising candidates for diverse drug and biomolecule separation applications as well as the remaining drawbacks and challenges for research on chiral separations. The mechanisms of chiral-based recognition and separation and history and development of natural and artificial chiral-based systems are the focus of this review. Future directions in natural and artificial chiral-based systems for practical separations and other applications are also presented.
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Affiliation(s)
- Yuan Zhao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Xuecheng Zhu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Wei Jiang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Huilin Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Jing Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
| | - Baoguo Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, China.,School of Food and Health, Beijing Technology and Business University, Beijing, China
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49
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Abstract
The quantitative determination of xenobiotic compounds, as well as biotics in biological matrices, is generally described with the term bioanalysis. Due to the complexity of biofluids, in combination with the low concentration of the small molecules, their determination in biological matrices is a challenging procedure. Apart from the conventional solid-phase extraction, liquid-liquid extraction, protein precipitation, and direct injection approaches, nowadays, a plethora of microextraction and miniaturized extraction techniques have been reported. Furthermore, the development and evaluation of novel extraction adsorbents for sample preparation has become a popular research field. Metal-organic frameworks (MOFs) are novel materials composed of metal ions or clusters in coordination with organic linkers. Unequivocally, MOFs are gaining more and more attention in analytical chemistry due to their superior properties, including high surface area and tunability of pore size and functionality. This review discusses the utilization of MOFs in the sample preparation of biological samples for the green extraction of small organic molecules. Their common preparation and characterization strategies are discussed, while emphasis is given to their applications for green sample preparation.
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50
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Thoonen S, Hua C. Chiral Detection with Coordination Polymers. Chem Asian J 2021; 16:890-901. [PMID: 33709619 DOI: 10.1002/asia.202100039] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 03/11/2021] [Indexed: 12/15/2022]
Abstract
Coordination polymers and metal-organic frameworks are prime candidates for general chemical sensing, but the use of these porous materials as chiral probes is still an emerging field. In the last decade, they have found application in a range of chiral analysis methods, including liquid- and gas-phase chromatography, circular dichroism spectroscopy, fluorescence sensing, and NMR spectroscopy. In this minireview, we examine recent works on coordination polymers as chiral sensors and their enantioselective host-guest chemistry, while highlighting their potential for application in different settings.
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Affiliation(s)
- Shannon Thoonen
- School of Chemistry, The University of Melbourne, Parkville, Victoria, 3010, Australia
| | - Carol Hua
- School of Chemistry, The University of Melbourne, Parkville, Victoria, 3010, Australia
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