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Rapid polymerization of polyhedral oligomeric siloxane-based zwitterionic sulfoalkylbetaine monolithic column in ionic liquid for hydrophilic interaction capillary electrochromatography. J Chromatogr A 2021; 1659:462651. [PMID: 34749184 DOI: 10.1016/j.chroma.2021.462651] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 10/16/2021] [Accepted: 10/26/2021] [Indexed: 11/20/2022]
Abstract
A novel polyhedral oligomeric siloxane (POSS)-based zwitterionic monolithic capillary column was prepared via one-pot polymerization in ionic liquid porogen, using N,N-dimethyl-N-methacryloxyethyl-N-(3-sulfopropyl)ammonium betaine (DMMSA) and methacrylic ethyl trimethylammonium chloride (META) as binary functional monomers, and methacryl substituted POSS as cross-linker. The pore structure, permeability and homogeneity were well tuned by optimizing the polymerization conditions. The resultant monolith was characterized by scanning electron microscopy, nitrogen adsorption/desorption isotherm and Fourier transform infrared spectroscopy. The incorporation of zwitterionic ligand (DMMSA), quaternary amine group (META) and rigid POSS skeleton endows the hybrid organic-silica monolith with high hydrophilicity, electrostatic interaction and good mechanical stability, as well as a tunable electroosmotic flow over wide pH range. A close investigation of capillary electrochromatographic separations of different types of polar compounds such as bases, nucleosides and benzoic acids on such stationary phase exhibited a retention independent column efficiency up to 118,000 plates/m (thiourea), as well as a mixed-mode hydrophilic interaction chromatography (HILIC) retention mechanism including weak electrostatic interaction, hydrophobic interaction and anion exchange.
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Neequaye T, El Rassi Z. Poly(carboxyethyl acrylate-co-ethylene glycol dimethacrylate) precursor monolith with bonded octadecyl ligands for use in reversed-phase capillary electrochromatography. Electrophoresis 2021; 42:2656-2663. [PMID: 34324209 DOI: 10.1002/elps.202100117] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 07/05/2021] [Accepted: 07/24/2021] [Indexed: 11/06/2022]
Abstract
A carboxy precursor monolithic column, namely poly(carboxy ethyl acrylate-co-ethylene glycol dimethacrylate) was first produced in a 100 μm i.d. fused-silica capillary and subsequently surface bonded with n-octadecyl (C18 ) ligands by a post-polymerization functionalization process with octadecylamine in the presence of N,N´-dicyclohexylcarbodiimide. The bonding of octadecyl ligands was achieved via an amide linkage between the carboxy functions of the precursor monolith and the amino group of the octadecylamine compound. The resulting C18 monolith exhibited a very low electroosmotic flow (EOF), a fact that required the incorporation of small amounts of 2-acrylamido-2-methylpropane sulfonic acid (AMPS) in the polymerization solution to produce a precursor monolith with fixed negative charges of sulfonate groups. This may indicate that the conjugation of the carboxy functions with octadecylamine occurred to a large extent so that the amount of residual carboxy functions was sparsely dispersed and not enough to produce a desirable EOF. The EOF velocity of the C18 column having fixed negative charges provided by the incorporated AMPS increased with increasing ACN content of the mobile phase signaling an increased binding of mobile phase ions to the polar amide linkages near the monolithic surface, and a decreased viscosity of the mobile phase, both of which would result in increased EOF velocity. The C18 monolithic column constituted a novel nonpolar sorbent for reversed-phase capillary electrochromatography for nonpolar solutes, e.g., alkylbenzenes, alkylphenyl ketones, and polyaromatic hydrocarbons, and slightly polar compounds including phenol and chlorophenols. The C18 monolithic column exhibited relatively high selectivity toward chlorophenols differing by one chloro substituent.
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Affiliation(s)
- Theophilus Neequaye
- Department of Chemistry, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Ziad El Rassi
- Department of Chemistry, Oklahoma State University, Stillwater, Oklahoma, USA
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Ma S, Li Y, Ma C, Wang Y, Ou J, Ye M. Challenges and Advances in the Fabrication of Monolithic Bioseparation Materials and their Applications in Proteomics Research. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1902023. [PMID: 31502719 DOI: 10.1002/adma.201902023] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 06/29/2019] [Indexed: 06/10/2023]
Abstract
High-performance liquid chromatography integrated with tandem mass spectrometry (HPLC-MS/MS) has become a powerful technique for proteomics research. Its performance heavily depends on the separation efficiency of HPLC, which in turn depends on the chromatographic material. As the "heart" of the HPLC system, the chromatographic material is required to achieve excellent column efficiency and fast analysis. Monolithic materials, fabricated as continuous supports with interconnected skeletal structure and flow-through pores, are regarded as an alternative to particle-packed columns. Such materials are featured with easy preparation, fast mass transfer, high porosity, low back pressure, and miniaturization, and are next-generation separation materials for high-throughput proteins and peptides analysis. Herein, the recent progress regarding the fabrication of various monolithic materials is reviewed. Special emphasis is placed on studies of the fabrication of monolithic capillary columns and their applications in separation of biomolecules by capillary liquid chromatography (cLC). The applications of monolithic materials in the digestion, enrichment, and separation of phosphopeptides and glycopeptides from biological samples are also considered. Finally, advances in comprehensive 2D HPLC separations using monolithic columns are also shown.
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Affiliation(s)
- Shujuan Ma
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, 116023, China
| | - Ya Li
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, 116023, China
| | - Chen Ma
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, 116023, China
| | - Yan Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, 116023, China
| | - Junjie Ou
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Mingliang Ye
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences (CAS), Dalian, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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Mansour FR, Waheed S, Paull B, Maya F. Porogens and porogen selection in the preparation of porous polymer monoliths. J Sep Sci 2019; 43:56-69. [DOI: 10.1002/jssc.201900876] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 09/26/2019] [Accepted: 09/29/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Fotouh R. Mansour
- Department of Pharmaceutical Analytical ChemistryFaculty of PharmacyTanta University Tanta Egypt
- Pharmaceutical Services CenterFaculty of PharmacyTanta University Tanta Egypt
| | - Sidra Waheed
- Australian Centre for Research on Separation Science (ACROSS)School of Natural Sciences, ChemistryUniversity of Tasmania Hobart Australia
- ARC Centre of Excellence for Electromaterials Science (ACES) School of Natural Sciences, ChemistryUniversity of Tasmania Hobart Australia
| | - Brett Paull
- Australian Centre for Research on Separation Science (ACROSS)School of Natural Sciences, ChemistryUniversity of Tasmania Hobart Australia
- ARC Centre of Excellence for Electromaterials Science (ACES) School of Natural Sciences, ChemistryUniversity of Tasmania Hobart Australia
| | - Fernando Maya
- Australian Centre for Research on Separation Science (ACROSS)School of Natural Sciences, ChemistryUniversity of Tasmania Hobart Australia
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Yang J, He S, Liu A, Chen J, Dong Y. Preparation of a poly(1, 6-hexylene dimethacrylate) conventional size high performance liquid chromatographic monolithic column for separation of small molecules. Microchem J 2019. [DOI: 10.1016/j.microc.2019.02.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Yudina YS, Patrushev YV, Sidel’nikov VN. Comparative Estimation of the Selectivity Parameters for Monolith HPLC Columns with Organic Sorbents. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2018. [DOI: 10.1134/s0036024418080320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Thiol-radical-mediated polymerization for preparation of POSS-containing polyacrylate monoliths in capillary liquid chromatography. Talanta 2018; 190:62-69. [PMID: 30172542 DOI: 10.1016/j.talanta.2018.07.061] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 07/10/2018] [Accepted: 07/19/2018] [Indexed: 01/16/2023]
Abstract
Through introducing octakis (3-mercaptopropyl) octasilsesquioxane (POSS-SH) synthesized in our lab to the prepolymerization solution containing stearyl acrylate (SA), 1,6-hexanediol ethoxylate diacrylate (HEDA) in the existence of porogenic solvents (tetrahydrofuran, 1,4-butanediol and 1-propanol), a POSS-containing hybrid monolithic column was fabricated via photo-initiated thiol-acrylate polymerization within 7 min. The resulting poly(SA-co-HEDA-co-POSS) monoliths were investigated by physical characterization and chromatographic evaluation. It was found that both the additive amount of thiol group and the proportion of porogenic solvents played vital effect on column efficiency, pore morphology and hydrophobicity of monolithic columns. Consequently, the poly(SA-co-HEDA-co-POSS) monolith possessed superior thermal stability, suitable permeability and homogeneous microstructure. The highest column efficiency was ∼111,000 N m-1 for butylbenzene at the linear velocity of 0.71 mm s-1 in reversed-phase liquid chromatography. Subsequently, baseline separations of 9 phenolic compounds, 5 anilines and 5 antibiotics were achieved, indicating the monolithic poly(SA-co-HEDA-co-POSS) column had great ability for separation of small molecules. The analytic results of the tryptic digest of BSA and HeLa were also proved that the hybrid monolith had potential for the analysis of complicated biological samples.
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Patrushev Y, Yudina Y, Sidelnikov V. Monolithic rod columns for HPLC based on divinylbenzene-styrene copolymer with 1-vinylimidazole and 4-vinylpyridine. J LIQ CHROMATOGR R T 2018. [DOI: 10.1080/10826076.2018.1455149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Yuri Patrushev
- Department of Physicochemical Methods, Boreskov Institute of Catalysis, Novosibirsk, Russia
- Department of Natural Sciences, Novosibirsk State University, Novosibirsk, Russia
| | - Yulia Yudina
- Department of Natural Sciences, Novosibirsk State University, Novosibirsk, Russia
| | - Vladimir Sidelnikov
- Department of Physicochemical Methods, Boreskov Institute of Catalysis, Novosibirsk, Russia
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Preparation of a Polymer Monolithic Column Using Ionic Liquid as Porogen and Its Application in Separations of Proteins and Small Molecules. Chromatographia 2016. [DOI: 10.1007/s10337-016-3190-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Urban J. Current trends in the development of porous polymer monoliths for the separation of small molecules. J Sep Sci 2015; 39:51-68. [DOI: 10.1002/jssc.201501011] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Revised: 09/17/2015] [Accepted: 09/18/2015] [Indexed: 01/15/2023]
Affiliation(s)
- Jiří Urban
- Department of Analytical Chemistry, Faculty of Chemical Technology; University of Pardubice; Pardubice Czech Republic
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A novel polymeric monolith prepared with multi-acrylate crosslinker for retention-independent efficient separation of small molecules in capillary liquid chromatography. Anal Chim Acta 2015; 883:90-8. [DOI: 10.1016/j.aca.2015.04.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 03/31/2015] [Accepted: 04/01/2015] [Indexed: 11/18/2022]
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Preparation and evaluation of a novel hybrid monolithic column based on pentafluorobenzyl imidazolium bromide ionic liquid. J Chromatogr A 2015; 1375:101-9. [DOI: 10.1016/j.chroma.2014.11.084] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2014] [Revised: 10/23/2014] [Accepted: 11/28/2014] [Indexed: 12/21/2022]
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Korolev AA, Shiryaeva VE, Popova TP, Kanat’eva AY, Kurganov AA. Influence of porogen nature on the kinetic and potential efficiencies of divinylbenzene-based monolithic sorbents in gas chromatography. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2014. [DOI: 10.1134/s0036024415020144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Jonnada M, Rathnasekara R, El Rassi Z. Recent advances in nonpolar and polar organic monoliths for HPLC and CEC. Electrophoresis 2014; 36:76-100. [PMID: 25266173 DOI: 10.1002/elps.201400426] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2014] [Revised: 09/20/2014] [Accepted: 09/22/2014] [Indexed: 01/17/2023]
Abstract
This article is aimed at providing a review of the progress made in the field over the period 2011 to present in order to expand in parts on two previous reviews (S. Karenga and Z. El Rassi, Electrophoresis, 2011, 32, 90-104; D. Gunasena and Z. El Rassi, Electrophoresis, 2012, 33, 251-261). In brief, this review article describes progress made in nonpolar and polar monoliths used in RP HPLC and CEC and in hydrophilic interaction LC/CEC, respectively. This article is by no means an exhaustive review of the literature; it is rather a survey of the recent progress made in the field with 69 references published on nonpolar and polar polymeric monoliths.
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Affiliation(s)
- Murthy Jonnada
- Department of Chemistry, Oklahoma State University, Stillwater, OK, USA
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Svec F, Lv Y. Advances and Recent Trends in the Field of Monolithic Columns for Chromatography. Anal Chem 2014; 87:250-73. [DOI: 10.1021/ac504059c] [Citation(s) in RCA: 279] [Impact Index Per Article: 27.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Frantisek Svec
- International
Research Center
for Soft Matter, Beijing University of Chemical Technology, 100029 Beijing, China
| | - Yongqin Lv
- International
Research Center
for Soft Matter, Beijing University of Chemical Technology, 100029 Beijing, China
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Aggarwal P, Lawson JS, Tolley HD, Lee ML. High efficiency polyethylene glycol diacrylate monoliths for reversed-phase capillary liquid chromatography of small molecules. J Chromatogr A 2014; 1364:96-106. [DOI: 10.1016/j.chroma.2014.08.056] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2014] [Revised: 08/12/2014] [Accepted: 08/18/2014] [Indexed: 10/24/2022]
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17
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Liu D, Song N, Cheng YC, Chen DX, Jia Q, Yang YW. Pillarene functionalized polymer monolithic column for the solid-phase microextraction preconcentration of parabens. RSC Adv 2014. [DOI: 10.1039/c4ra09088h] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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18
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Preparation and evaluation of a novel monolithic column containing double octadecyl chains for reverse-phase micro high performance liquid chromatography. J Chromatogr A 2014; 1345:174-81. [DOI: 10.1016/j.chroma.2014.04.036] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 04/09/2014] [Accepted: 04/10/2014] [Indexed: 12/28/2022]
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