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Aredes RS, Lima IDP, Faillace AP, Madriaga VGC, Lima TDM, Vaz FAS, Marques FFDC, Duarte LM. From capillaries to microchips, green electrophoretic features for enantiomeric separations: A decade review (2013-2022). Electrophoresis 2023; 44:1471-1518. [PMID: 37667860 DOI: 10.1002/elps.202200178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 06/28/2023] [Accepted: 07/12/2023] [Indexed: 09/06/2023]
Abstract
Enantioseparation by the electromigration-based method is well-established and widely discussed in the literature. Electrophoretic strategies have been used to baseline resolve complex enantiomeric mixtures, typically using a selector substance into the background electrolyte (BGE) from capillaries to microchips. Along with developing new materials/substances for enantioseparations, it is the concern about the green analytical chemistry (GAC) principles for method development and application. This review article brings a last decade's update on the publications involving enantioseparation by electrophoresis for capillary and microchip systems. It also brings a critical discussion on GAC principles and new green metrics in the context of developing an enantioseparation method. Chemical and green features of native and modified cyclodextrins are discussed. Still, given the employment of greener substances, ionic liquids and deep-eutectic solvents are highlighted, and some new selectors are proposed. For all the mentioned selectors, green features about their production, application, and disposal are considered. Sample preparation and BGE composition in GAC perspective, as well as greener derivatization possibilities, were also addressed. Therefore, one of the goals of this review is to aid the electrophoretic researchers to look where they have not.
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Affiliation(s)
- Rafaella S Aredes
- Programa, de Pós-Graduação em Química, Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Isabela de P Lima
- Programa, de Pós-Graduação em Química, Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Amanda P Faillace
- Programa, de Pós-Graduação em Química, Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Vinicius G C Madriaga
- Programa, de Pós-Graduação em Química, Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Thiago de M Lima
- Programa, de Pós-Graduação em Química, Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Fernando A S Vaz
- Programa, de Pós-Graduação em Química, Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Flávia F de C Marques
- Programa, de Pós-Graduação em Química, Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Lucas M Duarte
- Programa, de Pós-Graduação em Química, Departamento de Química Analítica, Instituto de Química, Universidade Federal Fluminense, Niterói, Rio de Janeiro, Brazil
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Yin H, Zhen Z, Ning W, Zhang L, Xiang Y, Ye N. Three-dimensional fluorinated covalent organic frameworks coated capillary for the separation of fluoroquinolones by capillary electrochromatography. J Chromatogr A 2023; 1706:464234. [PMID: 37523908 DOI: 10.1016/j.chroma.2023.464234] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/18/2023] [Accepted: 07/20/2023] [Indexed: 08/02/2023]
Abstract
In this work, a three-dimensional fluorinated covalent organic frameworks (3D FCOFs) JUC-515 was synthesized from tetra(4-aminophenyl)methane (TAM) and 2,3,5,6-tetrafluoroterephthalol (TFA) by an ionic liquid method. JUC-515 was introduced into the capillary column and bonded to the inner wall of the capillary column by chemical bonding. Through a variety of characterization results, JUC-515 was successfully synthesized and introduced into the capillary column. The effects of buffer solution concentration, organic additive content and pH of the buffer solution on the separation of fluoroquinolones (FQs) were investigated in detail. The JUC-515-coated capillary column showed good resolution (>1.5) and reproducibility. The relative standard deviations (RSDs) of the retention time for intraday, interday, column-to-column and interbatch precision were less than 0.88%, 2.45%, 2.74% and 3.32%, respectively. The RSDs of the peak area for intraday, interday, column-to-column and interbatch precision were less than 3.79%, 4.31%, 3.33% and 5.62%, respectively. The JUC-515-coated capillary column could be used no less than 150 times. The results showed that the JUC-515-coated capillary column had good separation performance. In addition, by separating fluorinated β-phenylalanine analogs, β-phenylalanine and trifluoromethyl β-phenylalanine analogs, the separation mechanism based on fluorine interactions was discussed. In conclusion, JUC-515 had good potential as a stationary phase for capillary electrochromatography.
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Affiliation(s)
- Han Yin
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Ziyi Zhen
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Weijie Ning
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Lu Zhang
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China
| | - Yuhong Xiang
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China.
| | - Nengsheng Ye
- Department of Chemistry, Capital Normal University, Beijing, 100048, PR China.
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Ahmed MA, Yu RB, Quirino JP. Recent developments in open tubular liquid chromatography and electrochromatography from 2019–2021. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.117045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Recent applications and chiral separation developments based on stationary phases in open tubular capillary electrochromatography (2019–2022). J Pharm Anal 2023; 13:323-339. [PMID: 37181297 PMCID: PMC10173184 DOI: 10.1016/j.jpha.2023.01.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 01/16/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
Capillary electrochromatography (CEC) plays a significant role in chiral separation via the double separation principle, partition coefficient difference between the two phases, and electroosmotic flow-driven separation. Given the distinct properties of the inner wall stationary phase (SP), the separation ability of each SP differs from one another. Particularly, it provides large room for promising applications of open tubular capillary electrochromatography (OT-CEC). We divided the OT-CEC SPs developed over the past four years into six types: ionic liquids, nanoparticle materials, microporous materials, biomaterials, non-nanopolymers, and others, to mainly introduce their characteristics in chiral drug separation. There also added a few classic SPs that occurred within ten years as supplements to enrich the features of each SP. Additionally, we discuss their applications in metabolomics, food, cosmetics, environment, and biology as analytes in addition to chiral drugs. OT-CEC plays an increasingly significant role in chiral separation and may promote the development of capillary electrophoresis (CE) combined with other instruments in recent years, such as CE with mass spectrometry (CE/MS) and CE with ultraviolet light detector (CE/UV).
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Wang H, Liu X, Tu M, Xu X, Yang S, Chen D. Current Sample Preparation Methods and Analytical Techniques for the Determination of Synthetic Antioxidants in Edible Oils. J Sep Sci 2022; 45:3874-3886. [PMID: 35984364 DOI: 10.1002/jssc.202200358] [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: 05/02/2022] [Revised: 08/14/2022] [Accepted: 08/15/2022] [Indexed: 11/08/2022]
Abstract
Synthetic antioxidants play a critical role in the storage and process of edible oil due to that they can retard lipid oxidation, maintain the quality of oils, and prolong the shelf life. However, a series of studies have proved the potential risks of synthetic antioxidants for human health when consumed in excess, and many countries have established the permitted amounts of synthetic antioxidants in oils. Thus, the accurate quantification of synthetic antioxidants in edible oils is necessary, and there have developed various analytical methods involved in chromatographical, electrochemical, and spectroscopic methods. Owing to the complex matrix and the incompatibility between the oil sample and the detection instrument, sample preparation is usually adopted prior to the instrument detection to improve the detection effectiveness. The current review aims to provide a comprehensive overview of the recently developed sample preparation methods and analytical techniques applied to determine synthetic antioxidants in edible oils from 2010 to present, with emphasis on the sample preparation methods combined with separation-based analytical techniques such CE and LC with various detectors. The advantages and limitations of some typical analytical methods are discussed and some insights in the future perspectives are also provided in this review. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Honglei Wang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Xueting Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Menglin Tu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China
| | - Xia Xu
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, Zhengzhou, 450001, China
| | - Sen Yang
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, Zhengzhou, 450001, China
| | - Di Chen
- School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of Targeting Therapy and Diagnosis for Critical Diseases of Henan Province, Zhengzhou, 450001, China
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Wang M, Liu Y, Liu Y, Xia Z. MOFs and PDA-supported immobilization of BSA in open tubular affinity capillary electrochromatography: Prediction and study on drug-protein interactions. Talanta 2022; 237:122959. [PMID: 34736684 DOI: 10.1016/j.talanta.2021.122959] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 10/07/2021] [Accepted: 10/08/2021] [Indexed: 12/13/2022]
Abstract
Owing to the satisfactory properties such as high specific surface area, finely tunable chemical composition, large yet adjustable pore sizes, and diverse architecture, metal-organic frameworks (MOFs) have the potential to be used as a stable, efficient, reusable and protective biomacromolecule immobilization carrier in capillary electrophoresis. Herein, a novel immobilized receptor open-tubular affinity capillary electrochromatography (OT-ACEC) strategy was developed for the first time to rapidly investigate the interactions between a set of drugs and bovine serum albumin (BSA). To further increase the amount of immobilized BSA and maintain the bioactivity of BSA, BSA was immobilized on the inner capillary surface by using polydopamine (PDA) as the adhesion layer and surface functionalization agent, a MOF namely dresden university of technology-5 (DUT-5) as supporting platform and biomacromolecule immobilization carrier, respectively. The amount of immobilized BSA on the capillary surface of the BSA@capillary and the PDA/MOFs/BSA@capillary column are separately calculated as 0.00756 nmol and 0.01812 nmol. Besides, the PDA/MOFs/BSA@capillary column was applied to investigate the interactions between BSA and flavonoids, fluoroquinolones. Under the optimal interaction conditions, three flavonoids and three fluoroquinolones are able to achieve baseline separation in the PDA/MOFs/BSA@capillary column (with resolution values of three flavonoids, 5.78 and 4.13; three fluoroquinolones, 1.72 and 1.68). The PDA/MOFs/BSA@capillary column shows good stability and reproducibility over 100 runs (relative standard deviation (RSD)<5%). In addition, the normalized capacity factor (KRCE) in this method replaced the binding constant and was used as an evaluation index to fast predict the activities of 20 drugs, some of which have not yet been reported for their interactions with BSA. Spectroscopy and molecular docking further illuminated the binding mechanism.
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Affiliation(s)
- Min Wang
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China
| | - Yi Liu
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China; Chongqing Chemical Industry Vocational College, Chongqing, 401228, China
| | - Yao Liu
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China
| | - Zhining Xia
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, 401331, China.
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Preparation and evaluation of chiral open-tubular columns supported with zeolite silica nanoparticles and single/dual chiral selectors using capillary electrochromatography with amperometric detection. J Chromatogr A 2021; 1651:462298. [PMID: 34111678 DOI: 10.1016/j.chroma.2021.462298] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 05/21/2021] [Accepted: 05/23/2021] [Indexed: 11/22/2022]
Abstract
In this work, novel stationary phase coatings by zeolite SiO2NPs coupled with β-cyclodextrin (β-CD) or β-CD/L-phenylalanine were developed for chiral open-tubular capillary electrochromatography (OT-CEC). The OT columns were prepared taking advantage of the strong adhesion of polydopamine in one-step method. Scanning electron micrography and electroosmotic flow were used to characterize the prepared single/dual-selector OT columns. Chiral separation of four chiral analytes (catechin/epicatechin, ephedrine/pseudoephedrine, ritodrine and salbutamol) was carried out in order to evaluate the performance of the prepared columns in OT-CEC with amperometric detection system. In terms of migration time, peak area, resolution, and selectivity factor of catechin/epicatechin and salbutamol, the run-to-run, day-to-day, and column-to-column repeatability were within 8.9%. Under the optimum conditions, the developed methods were applied for the analyses of Chinese herbal medicine Catechu herbs and salbutamol aerosol samples.
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Salih TA, Hassan KT, Majeed SR, Ibraheem IJ, Hassan OM, Obaid AS. In vitro scolicidal activity of synthesised silver nanoparticles from aqueous plant extract against Echinococcus granulosus. ACTA ACUST UNITED AC 2020; 28:e00545. [PMID: 33163372 PMCID: PMC7610041 DOI: 10.1016/j.btre.2020.e00545] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 10/20/2020] [Accepted: 10/20/2020] [Indexed: 12/12/2022]
Abstract
Silver nanoparticles were biosynthesised using plant extract derived from Piper nigrum, Ziziphus Spina-Christi and Eucalyptus globulus. The scolicidal activity of synthesised silver nanoparticles against Echinococcus granulosus has been investigated. The Eucalyptus globulus extract exhibits outstanding activity comparing to Piper nigrum and Ziziphus Spina-Christi plant extracts. Silver nanoparticles exhibited reasonably results compared to that obtained from treatment with 10 μg/mL of Albendazole.
At present, biosynthesis of AgNPs is a very effective method to produce less toxic nanoparticles. The vision of this research is to use three different plant extracts derived from leaves of Piper nigrum, Ziziphus Spina-Christi and Eucalyptus globulus for rapid biosynthesis of AgNPs. This is in addition to investigating the scolicidal activity against Echinococcus granulosus. The methods of UV–vis spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray analysis (EDX) were employed to characterise the nanoparticles. UV spectra disclosed a maximum absorption at 437 nm for the biosynthesised AgNPs using EUCGLO extract. The XRD patterns revealed the (fcc) structure of the AgNPs with slightly shifted characteristic peaks at 2θ degree of 37.3˚ and 43.4˚, respectively. The scolicidal activity against E. granulosus revealed that the AgNPs, which were synthesised using Eucalyptus globulus, have powered scolicidal of 47.8 % after 45 min. which is comparable to the treatment by Albendazole.
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Affiliation(s)
| | - Khalil T Hassan
- Department of Physics, College of Science, University Of Anbar, Ramadi, 30001, Iraq
| | - Sattar Rajab Majeed
- Department of Chemistry, College of Science, University Of Anbar, Ramadi, 30001, Iraq
| | - Ibraheem J Ibraheem
- Department of Chemistry, College of Science, University Of Anbar, Ramadi, 30001, Iraq
| | - Omar M Hassan
- Department of Biology, College of Science, University Of Anbar, Ramadi, 30001, Iraq
| | - A S Obaid
- Department of Physics, College of Science, University Of Anbar, Ramadi, 30001, Iraq
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Wang T, Wang Y, Zhang Y, Cheng Y, Ye J, Chu Q, Cheng G. Rapid preparation and evaluation of chiral open-tubular columns supported with bovine serum album and zeolite imidazolate framework-8 for mini-capillary electrochromatography. J Chromatogr A 2020; 1625:461284. [PMID: 32709334 DOI: 10.1016/j.chroma.2020.461284] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/24/2020] [Accepted: 05/27/2020] [Indexed: 11/28/2022]
Abstract
In this work, a class of novel and eco-friendly open-tubular (OT) chiral column was presented for the first time by one step preparation with zeolite imidazolate framework-8 (ZIF-8) and bovine serum album (BSA) based on electrostatic adsorption and adsorption affinity. This stationary phase materials combined the features of large surface areas and adsorption affinity of ZIF-8, and also the multiple chiral binding sites of BSA, which contributes to the π-interaction and hydrophobic interaction with the analytes. The separation performance of BSA@ZIF-8-OT chiral columns was evaluated with a miniaturized capillary electrochromatography and amperometric detection (mini-CEC-AD) system; in particular, nine groups of model molecules, including homologues, structural isomers, and chiral compounds, were baseline separated under the certain optimum conditions. The RSDs of run-to-run, day-to-day, column-to-column, and batch-to-batch reproducibility were less than 13.8 %. Furthermore, the prepared OT columns were successfully applied to fast analysis of ephedrine isomers in Chinese herb ephedra, and the LODs achieved 1.5-2.0 ng mL-1 (S/N=3) by an electrophoretic stacking technique of moving chemical reaction boundary. This mini-CEC-AD system with BSA@ZIF-8-OT chiral columns provides a promising potential in pharmaceutical analysis due to its fast, sensitive, enantioselective, and low-cost characteristics.
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Affiliation(s)
- Tingting Wang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Ying Wang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Yulian Zhang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Yuhuan Cheng
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Jiannong Ye
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Qingcui Chu
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China.
| | - Guifang Cheng
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
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