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Memon N, Qureshi T, Bhanger MI, Malik MI. Recent Trends in Fast Liquid Chromatography for Pharmaceutical Analysis. CURR ANAL CHEM 2019. [DOI: 10.2174/1573411014666180912125155] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Liquid chromatography is the workhorse of analytical laboratories of pharmaceutical
companies for analysis of bulk drug materials, intermediates, drug products, impurities and
degradation products. This efficient technique is impeded by its long and tedious analysis procedures.
Continuous efforts of scientists to reduce the analysis time resulted in the development of three different
approaches namely, HTLC, chromatography using monolithic columns and UHPLC.
Methods:
Modern column technology and advances in chromatographic stationary phase including
silica-based monolithic columns and reduction in particle and column size (UHPLC) have not only
revolutionized the separation power of chromatographic analysis but also have remarkably reduced the
analysis time. Automated ultra high-performance chromatographic systems equipped with state-ofthe-
art software and detection systems have now spawned a new field of analysis, termed as Fast Liquid
Chromatography (FLC). The chromatographic approaches that can be included in FLC are hightemperature
liquid chromatography, chromatography using monolithic column, and ultrahigh performance
liquid chromatography.
Results:
This review summarizes the progress of FLC in pharmaceutical analysis during the period
from year 2008 to 2017 focusing on detecting pharmaceutical drugs in various matrices, characterizing
active compounds of natural products, and drug metabolites. High temperature, change in the mobile
phase, use of monolithic columns, new non-porous, semi-porous and fully porous reduced particle size
of/less than 3μm packed columns technology with high-pressure pumps have been extensively studied
and successively applied to real samples. These factors revolutionized the fast high-performance separations.
Conclusion:
Taking into account the recent development in fast liquid chromatography approaches,
future trends can be clearly predicated. UHPLC must be the most popular approach followed by the
use of monolithic columns. Use of high temperatures during analysis is not a feasible approach especially
for pharmaceutical analysis due to thermosensitive nature of analytes.
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Affiliation(s)
- Najma Memon
- National Centre of Excellence in Analytical Chemistry, Univeristy of Sindh, Jamshoro, Sindh, Pakistan
| | - Tahira Qureshi
- National Centre of Excellence in Analytical Chemistry, Univeristy of Sindh, Jamshoro, Sindh, Pakistan
| | - Muhammad Iqbal Bhanger
- H.E.J. Research Institute of Chemistry, International Centre for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi-75270, Pakistan
| | - Muhammad Imran Malik
- H.E.J. Research Institute of Chemistry, International Centre for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi-75270, Pakistan
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Zhou M, Chen Q, Wang A, Li J, Ma Y. Flow‐injection chemiluminescence of the luminol–potassium periodate system enhanced by TGA–capped CdTe quantum dots for the determination of theophylline. LUMINESCENCE 2019; 34:673-679. [DOI: 10.1002/bio.3652] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/13/2019] [Accepted: 05/04/2019] [Indexed: 01/20/2023]
Affiliation(s)
- Min Zhou
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Key Laboratory of Eco‐Environment‐Related Polymer Materials Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou China
| | - Qiqi Chen
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Key Laboratory of Eco‐Environment‐Related Polymer Materials Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou China
| | - Ailian Wang
- Jiuquan Environmental Protection Bureau Jiuquan China
| | - Juanhua Li
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Key Laboratory of Eco‐Environment‐Related Polymer Materials Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou China
| | - Yongjun Ma
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province, Key Laboratory of Eco‐Environment‐Related Polymer Materials Ministry of Education, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical EngineeringNorthwest Normal University Lanzhou China
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Soares B, Passos H, Freire CSR, Coutinho JAP, Silvestre AJD, Freire MG. Ionic liquids in chromatographic and electrophoretic techniques: toward additional improvements in the separation of natural compounds. GREEN CHEMISTRY : AN INTERNATIONAL JOURNAL AND GREEN CHEMISTRY RESOURCE : GC 2016; 18:4582-4604. [PMID: 27667965 PMCID: PMC5034900 DOI: 10.1039/c6gc01778a] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Due to their unique properties, in recent years, ionic liquids (ILs) have been largely investigated in the field of analytical chemistry. Particularly during the last sixteen years, they have been successfully applied in the chromatographic and electrophoretic analysis of value-added compounds extracted from biomass. Considering the growing interest in the use of ILs in this field, this critical review provides a comprehensive overview on the improvements achieved using ILs as constituents of mobile or stationary phases in analytical techniques, namely in capillary electrophoresis and its different modes, in high performance liquid chromatography, and in gas chromatography, for the separation and analysis of natural compounds. The impact of the IL chemical structure and the influence of secondary parameters, such as the IL concentration, temperature, pH, voltage and analysis time (when applied), are also critically addressed regarding the achieved separation improvements. Major conclusions on the role of ILs in the separation mechanisms and the performance of these techniques in terms of efficiency, resolution and selectivity are provided. Based on a critical analysis of all published results, some target-oriented ILs are suggested. Finally, current drawbacks and future challenges in the field are highlighted. In particular, the design and use of more benign and effective ILs as well as the development of integrated (and thus more sustainable) extraction-separation processes using IL aqueous solutions are suggested within a green chemistry perspective.
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Kartsova LA, Bessonova EA, Kolobova EA. Ionic Liquids as Modifiers of Chromatographic and Electrophoretic Systems. JOURNAL OF ANALYTICAL CHEMISTRY 2016. [DOI: 10.1134/s1061934816020064] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Huang Y, Yao S, Song H. Application of ionic liquids in liquid chromatography and electrodriven separation. J Chromatogr Sci 2014; 51:739-52. [PMID: 23833208 DOI: 10.1093/chromsci/bmt076] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Ionic liquids (ILs) are salts in the liquid state at ambient temperature, which are nonvolatile, nonflammable with high thermal stability and dissolve easily for a wide range of inorganic and organic materials. As a kind of potential green solvent, they show high efficiency and selectivity in the field of separation research, especially in instrumental analysis. Thus far, ILs have been successfully applied by many related researchers in high-performance liquid chromatography and capillary electrophoresis as chromatographic stationary phases, mobile phase additives or electroosmotic flow modifiers. This paper provides a detailed review of these applications in the study of natural products, foods, drugs and other fine chemicals. Furthermore, the prospects of ILs in liquid chromatographic and electrodriven techniques are discussed.
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Affiliation(s)
- Yi Huang
- Department of Pharmaceutical and Biological Engineering, Sichuan University, Chengdu 610065, China
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6
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Laaniste A, Kruve A, Leito I. Ensuring repeatability and robustness of poly(glycidyl methacrylate-co-ethylene dimethacrylate) HPLC monolithic columns of 3 mm id through covalent bonding to the column wall. J Sep Sci 2013; 36:2458-63. [DOI: 10.1002/jssc.201300133] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2013] [Revised: 05/14/2013] [Accepted: 05/14/2013] [Indexed: 11/09/2022]
Affiliation(s)
- Asko Laaniste
- Institute of Chemistry; University of Tartu; Tartu Estonia
| | - Anneli Kruve
- Institute of Chemistry; University of Tartu; Tartu Estonia
| | - Ivo Leito
- Institute of Chemistry; University of Tartu; Tartu Estonia
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Tang B, Bi W, Row KH. Using poly([1-vinyl-3-hexylimidazolium] [bis(trifluoromethylsulfonyl)imide]) to adsorb bio-ethanol from a Chamaecyparis obtuse leaves fermentation broth. BIORESOURCE TECHNOLOGY 2013; 137:25-32. [PMID: 23570780 DOI: 10.1016/j.biortech.2013.03.113] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Revised: 03/14/2013] [Accepted: 03/16/2013] [Indexed: 06/02/2023]
Abstract
Poly([1-vinyl-3-hexylimidazolium] [bis(trifluoromethylsulfonyl)imide]) (poly([VHIM][Tf2N])) was assessed for its ability to adsorb bio-ethanol from Chamaecyparis obtuse leaves fermentation broths. Poly([VHIM][Tf2N]) was prepared by poly([VHIM][Br]) ion exchange with Li(Tf2N). Poly([VHIM][Br]) was obtained using a thermal-initiated polymerization method. The factors affecting the adsorption capacity of poly([VHIM][Tf2N]), such as the initial concentration of bio-ethanol in the fermentation broth, adsorption temperature and dosage of the adsorbent, as well as the adsorption kinetics and equilibrium of poly([VHIM][Tf2N]) were investigated. The Langmuir, Freundlich and Temkin isotherms used to describe the adsorption of bio-ethanol on the adsorbent showed good correlation coefficients of 0.97, 0.96 and 0.98, respectively. A comparison of the separation factors for ethanol/water, ethanol/glucose and ethanol/xylose revealed poly([VHIM][Tf2N]) to have preferential selectivity for bio-ethanol. Compared to activated carbon, poly([VHIM][Tf2N]) exhibited higher adsorption capacity for bio-ethanol under the same adsorption conditions. The adsorbent could be used for 5 cycles with good efficiency, highlighting its reusability as an adsorbent.
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Affiliation(s)
- Baokun Tang
- Department of Chemical Engineering, Inha University, Incheon 402-751, Republic of Korea
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8
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Tian M, Zhu T, Park HE, Row KH. Purification of 4-hydroxybenzoic Acid and 4-hydroxybenzaldehyde fromLaminaria japonicaAresch Using Commercial and Monolithic Sorbent in SPE Cartridge. ANAL LETT 2012. [DOI: 10.1080/00032719.2012.691590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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9
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Application of ionic liquid for extraction and separation of bioactive compounds from plants. J Chromatogr B Analyt Technol Biomed Life Sci 2012; 904:1-21. [DOI: 10.1016/j.jchromb.2012.07.020] [Citation(s) in RCA: 166] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Revised: 07/06/2012] [Accepted: 07/16/2012] [Indexed: 12/17/2022]
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Zhu T, Row KH. Preparation and applications of hybrid organic-inorganic monoliths: A review. J Sep Sci 2012; 35:1294-302. [DOI: 10.1002/jssc.201200084] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Analysis of alkaloids from different chemical groups by different liquid chromatography methods. OPEN CHEM 2012. [DOI: 10.2478/s11532-012-0037-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AbstractAlkaloids are biologically active compounds widely used as pharmaceuticals and synthesised as secondary methabolites in plants. Many of these compounds are strongly toxic. Therefore, they are often subject of scientific interests and analysis. Since alkaloids — basic compounds appear in aqueous solutions as ionized and unionized forms, they are difficult for chromatographic separation for peak tailing, poor systems efficiency, poor separation and poor column-to-column reproducibility. For this reason it is necessity searching of more suitable chromatographic systems for analysis of the compounds. In this article we present an overview on the separation of selected alkaloids from different chemical groups by liquid chromatography thus indicating the range of useful methods now available for alkaloid analysis. Different selectivity, system efficiency and peaks shape may be achieved in different LC methods separations by use of alternative stationary phases: silica, alumina, chemically bonded stationary phases, cation exchange phases, or by varying nonaqueous or aqueous mobile phase (containing different modifier, different buffers at different pH, ion-pairing or silanol blocker reagents). Developments in TLC (NP and RP systems), HPLC (NP, RP, HILIC, ion-exchange) are presented and the advantages of each method for alkaloids analysis are discussed.
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Vidal L, Riekkola ML, Canals A. Ionic liquid-modified materials for solid-phase extraction and separation: a review. Anal Chim Acta 2011; 715:19-41. [PMID: 22244164 DOI: 10.1016/j.aca.2011.11.050] [Citation(s) in RCA: 236] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Revised: 11/20/2011] [Accepted: 11/23/2011] [Indexed: 11/15/2022]
Abstract
In recent years, materials science has propelled to the research forefront. Ionic liquids with unique and fascinating properties have also left their footprints to the developments of materials science during the last years. In this review we highlight some of their recent advances and provide an overview at the current status of ionic liquid-modified materials applied in solid-phase extraction, liquid and gas chromatography and capillary electrochromatography with reference to recent applications. In addition, the potential of ionic liquids in the modification of capillary inner wall in capillary electrophoresis is demonstrated. The main target material modified with ionic liquids is silica, but polymers and monoliths have recently joined the studies. Although imidazolium is still clearly the most commonly used ionic liquid for the covalently modification of materials, the exploitation of pyridinium and phosphonium will most probably increase in the future.
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Affiliation(s)
- Lorena Vidal
- Laboratory of Analytical Chemistry, Department of Chemistry, University of Helsinki, Helsinki, Finland.
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Zhu T, Bi W, Row K. Extraction and Determination of Quercetin and Myricetin from Chamaecyparis obtusa by Ionic Liquids-based Monolithic Cartridge. CHINESE J CHEM 2011. [DOI: 10.1002/cjoc.201180280] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Ionic liquids based simultaneous ultrasonic and microwave assisted extraction of phenolic compounds from burdock leaves. Anal Chim Acta 2011; 716:28-33. [PMID: 22284874 DOI: 10.1016/j.aca.2011.03.012] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2010] [Revised: 03/02/2011] [Accepted: 03/04/2011] [Indexed: 11/20/2022]
Abstract
The ionic liquids based simultaneous ultrasonic and microwave assisted extraction (IL-UMAE) technique was first proposed and applied to isolate compounds. The ionic liquids comprising a range of four anions, five 1-alkyl-3-methylimidazolium derivatives were designed and prepared. The results suggested that varying the anion and cation both had apparent effects on the extraction of phenolics. The results also showed that irradiation power, time and solid-liquid ratio significantly affected the yields. The yields of caffeic acid and quercetin obtained by IL-UMAE were higher than those by regular UMAE. Compared with conventional heat-reflux extraction (HRE), the proposed approach exhibited higher efficiency (8-17% enhanced) and shorter extraction time (from 5h to 30s). The results indicated ILUMAE to be a fast and efficient extraction technique. Moreover, the proposed method was validated by the reproducibility and recovery experiments. The ILUMAE method provided good recoveries (from 96.1% to 105.3%) with RSD lower than 5.2%, which indicated that the proposed method was credible. Based on the designable nature of ionic liquids, and the rapid and highly efficient performance of the proposed approach, ILUMAE provided a new alternative for preparation of various useful substances from solid samples.
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