101
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Su J, Yang L, Wang Q. Dual polyhedral oligomeric silsesquioxanes polymerization approach to mutually-mediated separation mechanisms of hybrid monolithic stationary and mobile phases towards small molecules. J Chromatogr A 2018; 1533:136-142. [DOI: 10.1016/j.chroma.2017.12.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 11/27/2017] [Accepted: 12/12/2017] [Indexed: 01/10/2023]
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102
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Sakakibara K, Konishi K, Ishizuka N, Goto A, Tsujii Y. Versatile preparation of surface-skinless particles of epoxy resin-based monoliths using a well-defined diblock copolymer surfactant. Polym Chem 2018. [DOI: 10.1039/c7py01682d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This is the first report on a versatile and facile preparation method for well-defined and surface-skinless epoxy resin-based monolithic particles by polymerization-induced phase separation in an oil-in-oil emulsion system in the presence of a designed block copolymer.
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Affiliation(s)
- Keita Sakakibara
- Institute for Chemical Research
- Kyoto University
- Kyoto 611-0011
- Japan
| | - Kyoko Konishi
- Institute for Chemical Research
- Kyoto University
- Kyoto 611-0011
- Japan
- Emaus Kyoto
| | | | - Atsushi Goto
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- 637371 Singapore
| | - Yoshinobu Tsujii
- Institute for Chemical Research
- Kyoto University
- Kyoto 611-0011
- Japan
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103
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Alotaibi M, Manayil JC, Greenway GM, Haswell SJ, Kelly SM, Lee AF, Wilson K, Kyriakou G. Lipase immobilised on silica monoliths as continuous-flow microreactors for triglyceride transesterification. REACT CHEM ENG 2018. [DOI: 10.1039/c7re00162b] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lipase immobilised on silica monoliths has been prepared and applied as biocatalytic continuous-flow microreactors for the transesterification of tributyrin as a model bio-oil component.
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Affiliation(s)
- Mohammed Alotaibi
- Department of Chemistry
- The University of Hull
- Hull HU6 7RX
- UK
- European Bioenergy Research Institute
| | - Jinesh C. Manayil
- European Bioenergy Research Institute
- Aston University
- Birmingham B4 7ET
- UK
| | | | | | | | - Adam F. Lee
- School of Science
- RMIT University
- Melbourne
- Australia
| | - Karen Wilson
- School of Science
- RMIT University
- Melbourne
- Australia
| | - Georgios Kyriakou
- Department of Chemistry
- The University of Hull
- Hull HU6 7RX
- UK
- European Bioenergy Research Institute
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104
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Kohns R, Haas CP, Höltzel A, Splith C, Enke D, Tallarek U. Hierarchical silica monoliths with submicron macropores as continuous-flow microreactors for reaction kinetic and mechanistic studies in heterogeneous catalysis. REACT CHEM ENG 2018. [DOI: 10.1039/c8re00037a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The proposed scheme enables academic laboratories to prepare hierarchical silica monoliths as continuous-flow microreactors for kinetic studies in heterogeneous catalysis.
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Affiliation(s)
- Richard Kohns
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
- Institute of Chemical Technology
| | - Christian P. Haas
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
| | - Alexandra Höltzel
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
| | - Christian Splith
- Institute of Chemical Technology
- Universität Leipzig
- 04103 Leipzig
- Germany
| | - Dirk Enke
- Institute of Chemical Technology
- Universität Leipzig
- 04103 Leipzig
- Germany
| | - Ulrich Tallarek
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
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105
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Gupta V, Beirne S, Nesterenko PN, Paull B. Investigating the Effect of Column Geometry on Separation Efficiency using 3D Printed Liquid Chromatographic Columns Containing Polymer Monolithic Phases. Anal Chem 2017; 90:1186-1194. [PMID: 29231703 DOI: 10.1021/acs.analchem.7b03778] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Effect of column geometry on the liquid chromatographic separations using 3D printed liquid chromatographic columns with in-column polymerized monoliths has been studied. Three different liquid chromatographic columns were designed and 3D printed in titanium as 2D serpentine, 3D spiral, and 3D serpentine columns, of equal length and i.d. Successful in-column thermal polymerization of mechanically stable poly(BuMA-co-EDMA) monoliths was achieved within each design without any significant structural differences between phases. Van Deemter plots indicated higher efficiencies for the 3D serpentine chromatographic columns with higher aspect ratio turns at higher linear velocities and smaller analysis times as compared to their counterpart columns with lower aspect ratio turns. Computational fluid dynamic simulations of a basic monolithic structure indicated 44%, 90%, 100%, and 118% higher flow through narrow channels in the curved monolithic configuration as compared to the straight monolithic configuration at linear velocities of 1, 2.5, 5, and 10 mm s-1, respectively. Isocratic RPLC separations with the 3D serpentine column resulted in an average 23% and 245% (8 solutes) increase in the number of theoretical plates as compared to the 3D spiral and 2D serpentine columns, respectively. Gradient RPLC separations with the 3D serpentine column resulted in an average 15% and 82% (8 solutes) increase in the peak capacity as compared to the 3D spiral and 2D serpentine columns, respectively. Use of the 3D serpentine column at a higher flow rate, as compared to the 3D spiral column, provided a 58% reduction in the analysis time and 74% increase in the peak capacity for the isocratic separations of the small molecules and the gradient separations of proteins, respectively.
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Affiliation(s)
| | - Stephen Beirne
- ARC Centre of Excellence for Electromaterials Science, Intelligent Polymer Research Institute, University of Wollongong , Wollongong, NSW 2522, Australia
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106
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Polymer monoliths with silver nanoparticles-cholesterol conjugate as stationary phases for capillary liquid chromatography. J Chromatogr A 2017; 1526:93-103. [DOI: 10.1016/j.chroma.2017.10.039] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 10/12/2017] [Accepted: 10/14/2017] [Indexed: 01/03/2023]
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107
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Fontan RDCI, Bonomo RCF, Gonçalves GRF, Minim VPR, Minim LA. Alternatives for characterizing macroporous polyacrylamide monolithic ion exchanger columns. POLYM ENG SCI 2017. [DOI: 10.1002/pen.24771] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | | | | | | | - Luis Antonio Minim
- Food Technology Department; Federal University of Viçosa; Viçosa MG 36570-000 Brazil
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108
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Li Z, Rodriguez E, Azaria S, Pekarek A, Hage DS. Affinity monolith chromatography: A review of general principles and applications. Electrophoresis 2017; 38:2837-2850. [PMID: 28474739 PMCID: PMC5671914 DOI: 10.1002/elps.201700101] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/14/2017] [Accepted: 04/19/2017] [Indexed: 01/20/2023]
Abstract
Affinity monolith chromatography, or AMC, is a liquid chromatographic method in which the support is a monolith and the stationary phase is a biological-binding agent or related mimic. AMC has become popular for the isolation of biochemicals, for the measurement of various analytes, and for studying biological interactions. This review will examine the principles and applications of AMC. The materials that have been used to prepare AMC columns will be discussed, which have included various organic polymers, silica, agarose, and cryogels. Immobilization schemes that have been used in AMC will also be considered. Various binding agents and applications that have been reported for AMC will then be described. These applications will include the use of AMC for bioaffinity chromatography, immunoaffinity chromatography, dye-ligand affinity chromatography, and immobilized metal-ion affinity chromatography. The use of AMC with chiral stationary phases and as a tool to characterize biological interactions will also be examined.
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Affiliation(s)
- Zhao Li
- Department of Chemistry, University of Nebraska, Lincoln, NE, USA
| | | | - Shiden Azaria
- Department of Chemistry, University of Nebraska, Lincoln, NE, USA
| | - Allegra Pekarek
- Department of Chemistry, University of Nebraska, Lincoln, NE, USA
| | - David S. Hage
- Department of Chemistry, University of Nebraska, Lincoln, NE, USA
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109
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Gonçalves GRF, Gandolfi ORR, Santos LS, Bonomo RCF, Veloso CM, Veríssimo LAA, Fontan RDCI. Immobilization of sugars in supermacroporous cryogels for the purification of lectins by affinity chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1068-1069:71-77. [DOI: 10.1016/j.jchromb.2017.10.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 10/03/2017] [Accepted: 10/09/2017] [Indexed: 01/30/2023]
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110
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da Silva CGA, Grespan Bottoli CB, Collins CH. 3-Dimensional X-ray microtomography methodology for characterization of monolithic stationary phases and columns for capillary liquid chromatography - A tutorial. Anal Chim Acta 2017; 991:30-45. [PMID: 29031297 DOI: 10.1016/j.aca.2017.08.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Revised: 08/22/2017] [Accepted: 08/22/2017] [Indexed: 01/20/2023]
Abstract
In this tutorial we describe a fast, nondestructive, three-dimensional (3-D) view approach to be used in morphology characterization of capillary monoliths and columns by reconstruction from X-ray microtomography (XMT) obtained by acquiring projection images of the sample from a number of different directions. The method comprises imaging acquisition, imaging reconstruction using specific algorithms and imaging analysis by generation of a 3-D image of the sample from radiographic images. The 3-D images show the morphological data for bulk macropore space and skeleton connectivity of the monoliths and were compared with other images from imaging techniques such as scanning electron microscopy (SEM) and field emission scanning electron microscopy (FESEM) and with chromatographic performance. The 3-D XMT methodology is applicable for organic and inorganic capillary chromatographic monolithic materials and it allows the acquisition of many hundreds (in our case 1001 projections) of longitudinal and cross-sectional images in a single session, resolving morphological details with a 3D-view of the monolithic structure, inclusive inside the column in a sectional structure with volume (three dimensions) when compared to the sectional structure area (with only two dimensions) when using SEM and FESEM techniques.
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Affiliation(s)
- Carla G A da Silva
- Department of Chemistry, Federal University of Mato Grosso, 78060-900, Cuiabá, Brazil; Institute of Chemistry, University of Campinas, 13083-970, Campinas, Brazil.
| | | | - Carol H Collins
- Institute of Chemistry, University of Campinas, 13083-970, Campinas, Brazil.
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111
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Hara T, Futagami S, De Malsche W, Eeltink S, Terryn H, Baron GV, Desmet G. Chromatographic Properties of Minimal Aspect Ratio Monolithic Silica Columns. Anal Chem 2017; 89:10948-10956. [DOI: 10.1021/acs.analchem.7b02764] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Takeshi Hara
- Vrije Universiteit Brussel, Department of Chemical
Engineering, Pleinlaan
2, B-1050 Brussels, Belgium
- Division
of Metabolomics, Medical Institute of Bioregulation, Kyushu University, 3-1-1
Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Shunta Futagami
- Vrije Universiteit Brussel, Department of Chemical
Engineering, Pleinlaan
2, B-1050 Brussels, Belgium
| | - Wim De Malsche
- Vrije Universiteit Brussel, Department of Chemical
Engineering, Pleinlaan
2, B-1050 Brussels, Belgium
| | - Sebastiaan Eeltink
- Vrije Universiteit Brussel, Department of Chemical
Engineering, Pleinlaan
2, B-1050 Brussels, Belgium
| | - Herman Terryn
- Vrije Universiteit Brussel, Department of Materials
and Chemistry, Pleinlaan
2, B-1050 Brussels, Belgium
| | - Gino V. Baron
- Vrije Universiteit Brussel, Department of Chemical
Engineering, Pleinlaan
2, B-1050 Brussels, Belgium
| | - Gert Desmet
- Vrije Universiteit Brussel, Department of Chemical
Engineering, Pleinlaan
2, B-1050 Brussels, Belgium
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112
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Chen Y, Shu Y, Yang Z, Lv X, Tan W, Chen Y, Ma M, Chen B. The preparation of a poly (pentaerythritol tetraglycidyl ether-co-poly ethylene imine) organic monolithic capillary column and its application in hydrophilic interaction chromatography for polar molecules. Anal Chim Acta 2017; 988:104-113. [DOI: 10.1016/j.aca.2017.08.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 08/12/2017] [Accepted: 08/14/2017] [Indexed: 02/07/2023]
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113
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Tan W, Chang F, Shu Y, Chen Y, Liu J, Chen Y, Ma M, Chen B. The synthesis of Gemini-type sulfobetaine based hybrid monolith and its application in hydrophilic interaction chromatography for small polar molecular. Talanta 2017; 173:113-122. [DOI: 10.1016/j.talanta.2017.05.072] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 05/18/2017] [Accepted: 05/25/2017] [Indexed: 11/25/2022]
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114
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Stubbs B, Blanchard GJ. Measuring Competing Equilibria at a Silica Surface through the Contact Angle of a Nonpolar Liquid. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:9632-9636. [PMID: 28862871 DOI: 10.1021/acs.langmuir.7b02325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Characterizing the composition of an oxide surface is critical to a range of applications in separations and reaction chemistry. For silica surfaces, among the key issues is the competition for occupancy of the siloxide (SiO-) sites by H+ and other cations. We studied the competition between H+ and Na+ for surface siloxide occupancy as a function of the concentrations of each cation using the contact angle of a droplet of CCl4 on a silica surface immersed in aqueous solution as the probe of surface energy. We find the dissociation constant for SiONa to be larger than the SiOH dissociation constant, and with knowledge of the surface energy for CCl4 in contact with H2O, we are able to determine the surface energies of the SiOH-water, SiONa-water, and CCl4-SiOX interfaces.
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Affiliation(s)
- Barrack Stubbs
- Department of Chemistry, Michigan State University , 578 South Shaw Lane, East Lansing, Michigan 48824, United States
| | - G J Blanchard
- Department of Chemistry, Michigan State University , 578 South Shaw Lane, East Lansing, Michigan 48824, United States
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115
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Al-Massaedh “AA, Pyell U. Mixed-Mode Acrylamide-Based Continuous Beds Bearing tert-Butyl Groups for Capillary Electrochromatography Synthesized Via Complexation of N-tert-Butylacrylamide with a Water-Soluble Cyclodextrin. Part II: Effect of Capillary Size and Polymerization Conditions on Morphology and Chromatographic Efficiency. Chromatographia 2017. [DOI: 10.1007/s10337-017-3408-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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116
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LC-MS/MS analysis of lipidized analogs of prolactin-releasing peptide utilizing a monolithic column and simple sample preparation. Bioanalysis 2017; 9:1319-1328. [PMID: 28901165 DOI: 10.4155/bio-2017-0125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
AIM Novel compounds for obesity treatment are currently being studied employing lipidized analogs of anorexigenic neuropeptides. Various analogs of prolactin-releasing peptide have demonstrated their ability to decrease food intake. Adequate analytical tools are required to support corresponding research. Methodology & results: An analytical method was developed that includes simple dilution of plasma samples prior to liquid chromatography-mass spectrometry and employs a monolithic column for the determination of lipidized analogs of prolactin-releasing peptide in complex biological samples. A multiple reaction monitoring approach was applied that included matrix calibration and an internal standard and produced a linear calibration range 20-200 ng ml-1 in rat and macaque plasma samples. CONCLUSION A straightforward, simple and reliable analytical method was developed satisfying major validation criteria.
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117
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Jonnada M, El Rassi Z. Poly (N-acryloxysuccinimide-co-ethylene glycol dimethacrylate) precursor monolith and its post polymerization modification with alkyl ligands, trypsin and lectins for reversed-phase chromatography, miniaturized enzyme reactors and lectin affinity chromato. Electrophoresis 2017; 38:2870-2879. [DOI: 10.1002/elps.201700221] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Revised: 07/03/2017] [Accepted: 08/01/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Murthy Jonnada
- Department of chemistry; Oklahoma State University; Stillwater OK USA
| | - Ziad El Rassi
- Department of chemistry; Oklahoma State University; Stillwater OK USA
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118
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Stepanova MА, Kinziabulatova LR, Nikitina AA, Korzhikova-Vlakh EG, Tennikova TB. Cholesterol-imprinted macroporous monoliths: Preparation and characterization. Electrophoresis 2017; 38:2965-2974. [PMID: 28881397 DOI: 10.1002/elps.201700335] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 09/02/2017] [Accepted: 09/03/2017] [Indexed: 11/08/2022]
Abstract
The development of sorbents for selective binding of cholesterol, which is a risk factor for cardiovascular disease, has a great importance for analytical science and medicine. In this work, two series of macroporous cholesterol-imprinted monolithic sorbents differing in the composition of functional monomers (methacrylic acid, butyl methacrylate, 2-hydroxyethyl methacrylate and ethylene dimethacrylate), amount of a template (4, 6 and 8 mol%) used for molecular imprinting, as well as mean pore size were synthesized by in situ free-radical process in stainless steel housing of 50 mm × 4.6 mm i.d. All prepared materials were characterized regarding to their hydrodynamic permeability and porous properties, as well as examined by BET and SEM methods. Imprinting factors, apparent dynamic dissociation constants, the maximum binding capacity, the number of theoretical plates and the height equivalent to a theoretical palate of MIP monoliths at different mobile phase flow rates were determined. The separation of a mixture of structural analogues, namely, cholesterol and prednisolone, was demonstrated. Additionally, the possibility of using the developed monoliths for cholesterol solid-phase extraction from simulated biological solution was shown.
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Affiliation(s)
- Mariia А Stepanova
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg, Russia.,Institute of Chemistry, Saint-Petersburg State University, St. Petersburg, Russia
| | | | - Anna A Nikitina
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg, Russia
| | | | - Tatiana B Tennikova
- Institute of Chemistry, Saint-Petersburg State University, St. Petersburg, Russia
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119
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Advances in monolithic silica columns for high-performance liquid chromatography. J Anal Sci Technol 2017. [DOI: 10.1186/s40543-017-0125-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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120
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Martinez DS, Damasceno JPV, Franqui LS, Bettini J, Mazali IO, Strauss M. Structural aspects of graphitic carbon modified SBA-15 mesoporous silica and biological interactions with red blood cells and plasma proteins. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 78:141-150. [DOI: 10.1016/j.msec.2017.03.298] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 03/27/2017] [Accepted: 03/31/2017] [Indexed: 01/12/2023]
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121
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Gama MR, Aggarwal P, Lee ML, Bottoli CBG. Controlled crosslinking of trimethylolpropane trimethacrylate for preparation of organic monolithic columns for capillary liquid chromatography. Electrophoresis 2017; 38:3029-3035. [PMID: 28834582 DOI: 10.1002/elps.201700267] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Revised: 08/15/2017] [Accepted: 08/16/2017] [Indexed: 11/12/2022]
Abstract
Organic monolithic columns based on single crosslinking of trimethylolpropane trimethacrylate (TRIM) monomer were prepared in a single step by living/controlled free-radical polymerization. Full optimization of the preparation, such as using different percentages of TRIM and different amounts of radical promoter as well as various porogen solvents were explored. The resulting monolithic columns were characterized by scanning electronic microscopy and nitrogen sorption for structure morphology studies and surface area measurements, respectively. Using capillary liquid chromatography, 150 μm i.d. columns were applied to separate a mixture of small hydrophobic molecules. The results indicated that column performance is highly sensitive to the type and the amount of porogen solvents used in the polymerization mixture composition. Good resolution factors and methylene selectivity were obtained, indicating the promising potential of this material for capillary liquid chromatography separations.
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Affiliation(s)
- Mariana R Gama
- Institute of Chemistry, University of Campinas (Unicamp), Campinas, SP, Brazil
| | - Pankaj Aggarwal
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
| | - Milton L Lee
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
| | - Carla B G Bottoli
- Institute of Chemistry, University of Campinas (Unicamp), Campinas, SP, Brazil
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122
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Fouad A, Ghanem A. Immobilized Chiral Selectors on Monolithic High-Performance Liquid Chromatography Columns. ADVANCES IN CHROMATOGRAPHY 2017. [DOI: 10.1201/9781315116372-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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123
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Ali A, Cheong WJ. Production of Raw and Ligand-modified Silica Monolith Particles in an Enhanced Scale and their Application in High Performance Liquid Chromatography. B KOREAN CHEM SOC 2017. [DOI: 10.1002/bkcs.11203] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ashraf Ali
- Department of Chemistry; Inha University; Incheon 22212 South Korea
| | - Won Jo Cheong
- Department of Chemistry; Inha University; Incheon 22212 South Korea
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124
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Peris-Díaz MD, Alcoriza-Balaguer MI, García-Cañaveras JC, Santonja F, Sentandreu E, Lahoz A. RpeakChrom: Novel R package for the automated characterization and optimization of column efficiency in high-performance liquid chromatography analysis. Electrophoresis 2017; 38:2985-2995. [PMID: 28665035 DOI: 10.1002/elps.201700180] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 06/08/2017] [Accepted: 06/14/2017] [Indexed: 11/07/2022]
Abstract
Characterization of chromatographic columns using the traditional van Deemter method is limited by the necessity of calculating extra-column variance, issue particularly relevant when modeling asymmetrical peaks eluted from monolithic columns. A novel R package that implements Parabolic Variance Modified Gaussian approach for accurate peak modeling, van Deemter equation and two alternatives approaches, based on van Deemter, has been developed to calculate the height equivalent to a theoretical plate (HETP). To assess package capabilities conventional packed reverse-phase and monolithic HPLC columns were characterized. Peaks eluted from the monolithic column showed a high value of factor asymmetry due, in part, to the contribution of extra-column factors. Such deviation can be circumvented by the two alternatives approaches implemented in the R-package. Furthermore, increased values of eddy diffusion and mass transfer kinetics terms in HETP were observed for the packed column, while accuracy was below 9% in all cases. These results showed the usefulness of the R-package for both modeling chromatographic peaks and assessing column efficiency. The RpeakChrom package could become a helpful tool for testing new stationary phases during column development and to evaluate column during its lifetime. This R tool is freely available from CRAN (https://CRAN.R-project.org/package=RpeakChrom).
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Affiliation(s)
- Manuel David Peris-Díaz
- Biomarkers and Precision Medicine Unit, Analytical Unit, Instituto de Investigación Sanitaria, Fundación Hospital La Fe, Valencia, Spain
| | - Maria Isabel Alcoriza-Balaguer
- Biomarkers and Precision Medicine Unit, Analytical Unit, Instituto de Investigación Sanitaria, Fundación Hospital La Fe, Valencia, Spain
| | - Juan Carlos García-Cañaveras
- Biomarkers and Precision Medicine Unit, Analytical Unit, Instituto de Investigación Sanitaria, Fundación Hospital La Fe, Valencia, Spain
| | - Francisco Santonja
- Departamento de Estadística e Investigación Operativa, Facultat de Ciencias Matematicas, Universidad de Valencia, Burjassot, Spain
| | - Enrique Sentandreu
- Biomarkers and Precision Medicine Unit, Analytical Unit, Instituto de Investigación Sanitaria, Fundación Hospital La Fe, Valencia, Spain
| | - Agustín Lahoz
- Biomarkers and Precision Medicine Unit, Analytical Unit, Instituto de Investigación Sanitaria, Fundación Hospital La Fe, Valencia, Spain
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125
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Fouad A, Marzouk AA, Ibrahim SM, El-Adl SM, Ghanem A. Functionalized polymer monoliths with carbamylated amylose for the enantioselective reversed phase nano-liquid chromatographic separation of a set of racemic pharmaceuticals. J Chromatogr A 2017; 1515:91-99. [PMID: 28797665 DOI: 10.1016/j.chroma.2017.07.065] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 06/30/2017] [Accepted: 07/18/2017] [Indexed: 11/28/2022]
Abstract
Here we report the first encapsulation of three carbamylated amylose namely R-, S- and R/S-amylose 2,3(3,5-dimethylphenylcarbamate)-6-ethylphenylcarbamate in organic polymer monolith in situ capillary columns. The columns were investigated for the enantioselective nano-liquid chromatographic separation of a set of racemic pharmaceuticals, namely, α- and β-blockers, anti-inflammatory drugs, antifungal drugs, norepinephrine-dopamine reuptake inhibitors, catecholamines, sedative hypnotics, antihistaminics, anticancer drugs, and antiarrhythmic drugs. Baseline separation was achieved for several drugs under reversed phase chromatographic conditions and only few drugs were separated under normal phase conditions. The developed columns provide more economical analysis under environmentally benign conditions.
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Affiliation(s)
- Ali Fouad
- Chirality Program, Faculty of ESTEM, University of Canberra, ACT, 2601, Australia; Pharmaceutical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
| | - Adel A Marzouk
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
| | - Samy M Ibrahim
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Sobhy M El-Adl
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Ashraf Ghanem
- Chirality Program, Faculty of ESTEM, University of Canberra, ACT, 2601, Australia.
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126
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Li D, Yin D, Chen Y, Liu Z. Coupling of metal-organic frameworks-containing monolithic capillary-based selective enrichment with matrix-assisted laser desorption ionization-time-of-flight mass spectrometry for efficient analysis of protein phosphorylation. J Chromatogr A 2017; 1498:56-63. [DOI: 10.1016/j.chroma.2016.10.054] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 09/29/2016] [Accepted: 10/24/2016] [Indexed: 12/19/2022]
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127
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Capillary methacrylate-based monoliths by grafting from/to γ-ray polymerization on a tentacle-type reactive surface for the liquid chromatographic separations of small molecules and intact proteins. J Chromatogr A 2017; 1498:46-55. [DOI: 10.1016/j.chroma.2016.11.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 10/20/2016] [Accepted: 11/21/2016] [Indexed: 12/13/2022]
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128
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Functionalization of hybrid monolithic columns via thiol-ene click reaction for proteomics analysis. J Chromatogr A 2017; 1498:29-36. [DOI: 10.1016/j.chroma.2017.01.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 01/06/2017] [Accepted: 01/10/2017] [Indexed: 02/06/2023]
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129
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Gama MR, Aggarwal P, Liu K, Lee ML, Bottoli CBG. Improvement in Liquid Chromatographic Performance of Organic Polymer Monolithic Capillary Columns with Controlled Free-Radical Polymerization. J Chromatogr Sci 2017; 55:398-404. [PMID: 27993839 DOI: 10.1093/chromsci/bmw193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 11/29/2016] [Indexed: 11/13/2022]
Abstract
Capillary columns containing butyl or lauryl methacrylate monoliths were prepared using two different free-radical polymerization methods: conventional free-radical polymerization and controlled/living free-radical polymerization, both initiated thermally, and these methods were compared for the first time. Both monolith morphology and chromatographic efficiency were compared for the synthesized stationary phases using scanning electronic microscopy (SEM) and capillary liquid chromatography, respectively. Columns prepared using controlled method gave better chromatographic performance for both monomers tested. The lauryl-based monolith showed 7-fold improvement in chromatographic efficiency with a plate count of 42,000 plates/m (corrected for dead volume) for a non-retained compound. Columns fabricated using controlled polymerization appeared more homogenous radially with fused small globular morphologies, evaluated by SEM, and lower column permeability. The columns were compared with respect to resolving power of a series of alkylbenzenes under isocratic and gradient elution conditions.
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Affiliation(s)
- Mariana R Gama
- Institute of Chemistry, University of Campinas (Unicamp), POB 6154, 13084-971, Campinas, SP, Brazil
| | - Pankaj Aggarwal
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT 84602, USA
| | - Kun Liu
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT 84602, USA
| | - Milton L Lee
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT 84602, USA
| | - Carla B G Bottoli
- Institute of Chemistry, University of Campinas (Unicamp), POB 6154, 13084-971, Campinas, SP, Brazil
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130
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Porous monoliths for on-line sample preparation: A review. Anal Chim Acta 2017; 964:24-44. [DOI: 10.1016/j.aca.2017.02.002] [Citation(s) in RCA: 115] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 01/30/2017] [Accepted: 02/01/2017] [Indexed: 11/23/2022]
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131
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Müllner T, Zankel A, Höltzel A, Svec F, Tallarek U. Morphological Properties of Methacrylate-Based Polymer Monoliths: From Gel Porosity to Macroscopic Inhomogeneities. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:2205-2214. [PMID: 28186759 DOI: 10.1021/acs.langmuir.7b00337] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Shaping chemical interfaces of hard and soft matter materials into physical morphologies that guarantee excellent transport properties is of central importance for technologies relying on adsorption, separation, and reaction at the interface. Polymer monoliths with a hierarchically structured pore space, for example, are widely used in flow-driven processes, whose efficiency depends on the morphology of the support material over several length scales. Compared with alternative support structures, particularly silica monoliths, polymer monoliths yield lower efficiency, which suggests a suboptimal morphology. Based on physical reconstruction by serial block-face scanning electron microscopy we evaluate the structural features of a methacrylate-based polymer monolith from the pore scale to the column scale. The morphological data reveal a homogeneous polymer skeleton with a solute-impenetrable core-porous shell architecture and a heterogeneous macropore space that suffers from inhomogeneities at the short-range and the transcolumn scale. Although the morphology of the polymer phase is favorable to efficient mass transport, the performance of the polymer monolith is limited by severe transcolumn gradients in macroporosity and macropore size. We propose to overcome these morphological limitations by pursuing a preparation strategy that involves active rather than passive shaping of the macropore space, for example, by using silica monoliths as templating structures for polymer monolith preparation.
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Affiliation(s)
- Tibor Müllner
- Department of Chemistry, Philipps-Universität Marburg , Hans-Meerwein-Strasse 4, 35032 Marburg, Germany
| | - Armin Zankel
- Institute of Electron Microscopy and Nanoanalysis, Graz University of Technology, and Graz Centre for Electron Microscopy, Steyrergasse 17, 8010 Graz, Austria
| | - Alexandra Höltzel
- Department of Chemistry, Philipps-Universität Marburg , Hans-Meerwein-Strasse 4, 35032 Marburg, Germany
| | - Frantisek Svec
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology , 100029 Beijing, China
| | - Ulrich Tallarek
- Department of Chemistry, Philipps-Universität Marburg , Hans-Meerwein-Strasse 4, 35032 Marburg, Germany
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132
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Patrushev YV, Sidelnikov VN, Yudina YS. Monolithic columns with organic sorbent based on poly-1-vinylimidazole for high performance liquid chromatography. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2017. [DOI: 10.1134/s0036024417030190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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133
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Lin S, Zhang Y, Huang W, Dong X. Preparation of a monolithic cation-exchange material with hydrophilic external layers by two-step reversible addition-fragmentation chain transfer polymerization. J Sep Sci 2017; 40:1694-1702. [PMID: 28217862 DOI: 10.1002/jssc.201601372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Revised: 02/08/2017] [Accepted: 02/08/2017] [Indexed: 11/07/2022]
Abstract
In recent years, the efficient analysis of biological samples has become more important due to the advances of life science and pharmaceutical research and practice. Because biological sample pretreatment is the bottleneck for fast process, material development for efficient sample process in the high-performance liquid chromatography analysis is highly desirable. In this research, a cation-exchange restricted access monolithic column was synthesized by a reversible addition-fragmentation chain transfer polymerization method. Utilizing the controlled/living property of the reversible addition-fragmentation chain transfer method, a monolithic column of cross-linked poly(sulfopropyl methacrylate) was prepared first and then linear poly(glycerol mono-methacrylate) was immobilized covalently on the surface of the polymer. The monolithic material has both functionalities of cation-exchange and protein exclusion. Protein recovery of 94.6% was obtained after grafting of poly(glycerol mono-methacrylate) while the cation-exchange property of the column is still retained. In the study, the relation between the synthetic conditions and properties of the materials was studied. The synthesis conditions including the porogen, monomer concentration, and ratio of monomers/initiator/reversible addition-fragmentation chain transfer agent were optimized. The study provided a method for the preparation of restricted access monolithic columns: a bifunctional material by reversible addition-fragmentation chain transfer polymerization method.
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Affiliation(s)
- Shen Lin
- Research Centre for Analytical Sciences, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, China
| | - Yingying Zhang
- Research Centre for Analytical Sciences, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, China
| | - Wei Huang
- Research Centre for Analytical Sciences, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, China
| | - Xiangchao Dong
- Research Centre for Analytical Sciences, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, China
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134
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Eeltink S, Wouters S, Dores-Sousa JL, Svec F. Advances in organic polymer-based monolithic column technology for high-resolution liquid chromatography-mass spectrometry profiling of antibodies, intact proteins, oligonucleotides, and peptides. J Chromatogr A 2017; 1498:8-21. [PMID: 28069168 DOI: 10.1016/j.chroma.2017.01.002] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 11/22/2016] [Accepted: 01/02/2017] [Indexed: 11/27/2022]
Abstract
This review focuses on the preparation of organic polymer-based monolithic stationary phases and their application in the separation of biomolecules, including antibodies, intact proteins and protein isoforms, oligonucleotides, and protein digests. Column and material properties, and the optimization of the macropore structure towards kinetic performance are also discussed. State-of-the-art liquid chromatography-mass spectrometry biomolecule separations are reviewed and practical aspects such as ion-pairing agent selection and carryover are presented. Finally, advances in comprehensive two-dimensional LC separations using monolithic columns, in particular ion-exchange×reversed-phase and reversed-phase×reversed-phase LC separations conducted at high and low pH, are shown.
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Affiliation(s)
- Sebastiaan Eeltink
- Vrije Universiteit Brussel, Department of Chemical Engineering, Pleinlaan 2, B-1050 Brussels, Belgium.
| | - Sam Wouters
- Vrije Universiteit Brussel, Department of Chemical Engineering, Pleinlaan 2, B-1050 Brussels, Belgium
| | - José Luís Dores-Sousa
- Vrije Universiteit Brussel, Department of Chemical Engineering, Pleinlaan 2, B-1050 Brussels, Belgium
| | - Frantisek Svec
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, China
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135
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Iacono M, Connolly D, Heise A. Polymer brush decorated nanoparticles immobilised on polymer monoliths for enhanced biopolymer elution. RSC Adv 2017. [DOI: 10.1039/c7ra02839c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Polymer monoliths uniformly covered with polymer brush nanoparticles are fabricated and the elution properties investigated with myoglobin and blue dextran.
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Affiliation(s)
- M. Iacono
- School of Chemical Sciences
- Dublin City University
- Dublin 9
- Ireland
| | | | - A. Heise
- School of Chemical Sciences
- Dublin City University
- Dublin 9
- Ireland
- Royal College of Surgeons in Ireland
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136
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Meinusch R, Ellinghaus R, Hormann K, Tallarek U, Smarsly BM. On the underestimated impact of the gelation temperature on macro- and mesoporosity in monolithic silica. Phys Chem Chem Phys 2017; 19:14821-14834. [DOI: 10.1039/c7cp01846k] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Elucidating pore formation in monolithic SiO2: small variations in gelation temperature have a surprisingly strong impact on the meso- and macroporosity.
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Affiliation(s)
- Rafael Meinusch
- Institute of Physical Chemistry
- Justus-Liebig-Universität Giessen
- 35392 Giessen
- Germany
- Center for Materials Research (LaMa)
| | - Rüdiger Ellinghaus
- Institute of Physical Chemistry
- Justus-Liebig-Universität Giessen
- 35392 Giessen
- Germany
- Center for Materials Research (LaMa)
| | - Kristof Hormann
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
- Thermo Fisher Scientific
| | - Ulrich Tallarek
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
| | - Bernd M. Smarsly
- Institute of Physical Chemistry
- Justus-Liebig-Universität Giessen
- 35392 Giessen
- Germany
- Center for Materials Research (LaMa)
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137
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Wang B, Prinsen P, Wang H, Bai Z, Wang H, Luque R, Xuan J. Macroporous materials: microfluidic fabrication, functionalization and applications. Chem Soc Rev 2017; 46:855-914. [DOI: 10.1039/c5cs00065c] [Citation(s) in RCA: 106] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This article provides an up-to-date highly comprehensive overview (594 references) on the state of the art of the synthesis and design of macroporous materials using microfluidics and their applications in different fields.
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Affiliation(s)
- Bingjie Wang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process
- School of Mechanical and Power Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Pepijn Prinsen
- Departamento de Quimica Organica
- Universidad de Cordoba
- Campus de Rabanales
- Cordoba
- Spain
| | - Huizhi Wang
- School of Engineering and Physical Sciences
- Heriot-Watt University
- Edinburgh
- UK
| | - Zhishan Bai
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process
- School of Mechanical and Power Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Hualin Wang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process
- School of Mechanical and Power Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Rafael Luque
- Departamento de Quimica Organica
- Universidad de Cordoba
- Campus de Rabanales
- Cordoba
- Spain
| | - Jin Xuan
- School of Engineering and Physical Sciences
- Heriot-Watt University
- Edinburgh
- UK
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138
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Li D, Bie Z. Metal–organic framework incorporated monolithic capillary for selective enrichment of phosphopeptides. RSC Adv 2017. [DOI: 10.1039/c7ra00263g] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Protein phosphorylation is a major post-translational modification, which plays a central role in the cellular signaling of numerous biological processes.
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Affiliation(s)
- Daojin Li
- College of Chemistry and Chemical Engineering
- Henan Key Laboratory of Fuction-Oriented Porous Materials
- Luoyang Normal University
- Luoyang 471022
- P. R. China
| | - Zijun Bie
- Department of Chemistry
- Bengbu Medical College
- China
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139
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Haas CP, Müllner T, Kohns R, Enke D, Tallarek U. High-performance monoliths in heterogeneous catalysis with single-phase liquid flow. REACT CHEM ENG 2017. [DOI: 10.1039/c7re00042a] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
On-line control and monitoring in heterogeneous catalysis utilizing high-performance supports allows rapid screening of intrinsic reaction parameters in continuous-flow mode.
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Affiliation(s)
- Christian P. Haas
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
| | - Tibor Müllner
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
| | - Richard Kohns
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
- Institute of Chemical Technology
| | - Dirk Enke
- Institute of Chemical Technology
- Universität Leipzig
- 04103 Leipzig
- Germany
| | - Ulrich Tallarek
- Department of Chemistry
- Philipps-Universität Marburg
- 35032 Marburg
- Germany
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140
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Hypercrosslinked cholesterol-based polystyrene monolithic capillary columns. J Chromatogr A 2016; 1477:11-21. [DOI: 10.1016/j.chroma.2016.11.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 10/20/2016] [Accepted: 11/17/2016] [Indexed: 11/23/2022]
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141
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Al-Massaedh “AA, Pyell U. Mixed-mode acrylamide-based continuous beds bearing tert -butyl groups for capillary electrochromatography synthesized via complexation of N - tert -butylacrylamide with a water-soluble cyclodextrin. Part I: Retention properties. J Chromatogr A 2016; 1477:114-126. [DOI: 10.1016/j.chroma.2016.11.036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Revised: 11/08/2016] [Accepted: 11/20/2016] [Indexed: 10/20/2022]
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142
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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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143
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Lambert N, Miyazaki S, Ohira M, Tanaka N, Felinger A. Comparison of the kinetic performance of different columns for fast liquid chromatography, emphasizing the contributions of column end structure. J Chromatogr A 2016; 1473:99-108. [DOI: 10.1016/j.chroma.2016.10.052] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 10/04/2016] [Accepted: 10/19/2016] [Indexed: 01/17/2023]
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144
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Polymer-ceramic Monolithic In-Needle Extraction (MINE) device: Preparation and examination of drug affinity. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 68:70-77. [DOI: 10.1016/j.msec.2016.05.097] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 04/26/2016] [Accepted: 05/22/2016] [Indexed: 11/17/2022]
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145
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Characterization of the Kinetic Performance of Silica Monolithic Columns for Reversed-Phase Chromatography Separations. ADVANCES IN CHROMATOGRAPHY 2016. [DOI: 10.1201/9781315370385-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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146
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Wang XH, Dong Q, Ying LL, Chi SS, Lan YH, Huang YP, Liu ZS. Enhancement of selective separation on molecularly imprinted monolith by molecular crowding agent. Anal Bioanal Chem 2016; 409:201-211. [DOI: 10.1007/s00216-016-9986-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 08/30/2016] [Accepted: 09/27/2016] [Indexed: 10/25/2022]
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147
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Ma Y, Liu H, Wei A, Qin J, Zhang S, Zhang W, Bai L. Preparation and Evaluation of Poly( N-isopropylacrylamide-co-hexanediol diacrylate-co-ethylene dimethacrylate) Monolithic Column and its Applications in the Separation of Small Molecules. J Chromatogr Sci 2016; 54:1727-1734. [DOI: 10.1093/chromsci/bmw129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 06/18/2016] [Indexed: 11/13/2022]
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148
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Janků S, Komendová M, Urban J. Development of an online solid-phase extraction with liquid chromatography method based on polymer monoliths for the determination of dopamine. J Sep Sci 2016; 39:4107-4115. [DOI: 10.1002/jssc.201600818] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 08/24/2016] [Accepted: 08/24/2016] [Indexed: 01/18/2023]
Affiliation(s)
- Simona Janků
- Department of Analytical Chemistry, Faculty of Chemical Technology; University of Pardubice; Studentstká 573 Pardubice Czech Republic
| | - Martina Komendová
- Department of Analytical Chemistry, Faculty of Chemical Technology; University of Pardubice; Studentstká 573 Pardubice Czech Republic
| | - Jiří Urban
- Department of Analytical Chemistry, Faculty of Chemical Technology; University of Pardubice; Studentstká 573 Pardubice Czech Republic
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149
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Gu H, Yin D, Ren J, Zhang B, Zhang Q. Preparation of quaternary amine monolithic column for strong anion-exchange chromatography and its application to the separation of Enterovirus 71. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1033-1034:399-405. [DOI: 10.1016/j.jchromb.2016.09.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 09/12/2016] [Accepted: 09/14/2016] [Indexed: 01/31/2023]
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150
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Astefanei A, Dapic I, Camenzuli M. Different Stationary Phase Selectivities and Morphologies for Intact Protein Separations. Chromatographia 2016; 80:665-687. [PMID: 28529348 PMCID: PMC5413533 DOI: 10.1007/s10337-016-3168-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 08/17/2016] [Accepted: 09/06/2016] [Indexed: 12/18/2022]
Abstract
The central dogma of biology proposed that one gene encodes for one protein. We now know that this does not reflect reality. The human body has approximately 20,000 protein-encoding genes; each of these genes can encode more than one protein. Proteins expressed from a single gene can vary in terms of their post-translational modifications, which often regulate their function within the body. Understanding the proteins within our bodies is a key step in understanding the cause, and perhaps the solution, to disease. This is one of the application areas of proteomics, which is defined as the study of all proteins expressed within an organism at a given point in time. The human proteome is incredibly complex. The complexity of biological samples requires a combination of technologies to achieve high resolution and high sensitivity analysis. Despite the significant advances in mass spectrometry, separation techniques are still essential in this field. Liquid chromatography is an indispensable tool by which low-abundant proteins in complex samples can be enriched and separated. However, advances in chromatography are not as readily adapted in proteomics compared to advances in mass spectrometry. Biologists in this field still favour reversed-phase chromatography with fully porous particles. The purpose of this review is to highlight alternative selectivities and stationary phase morphologies that show potential for application in top-down proteomics; the study of intact proteins.
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Affiliation(s)
- A. Astefanei
- Centre for Analytical Science in Amsterdam (CASA), Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - I. Dapic
- Centre for Analytical Science in Amsterdam (CASA), Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - M. Camenzuli
- Centre for Analytical Science in Amsterdam (CASA), Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
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