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Jurina T, Sokač Cvetnić T, Šalić A, Benković M, Valinger D, Gajdoš Kljusurić J, Zelić B, Jurinjak Tušek A. Application of Spectroscopy Techniques for Monitoring (Bio)Catalytic Processes in Continuously Operated Microreactor Systems. Catalysts 2023. [DOI: 10.3390/catal13040690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
Abstract
In the last twenty years, the application of microreactors in chemical and biochemical industrial processes has increased significantly. The use of microreactor systems ensures efficient process intensification due to the excellent heat and mass transfer within the microchannels. Monitoring the concentrations in the microchannels is critical for a better understanding of the physical and chemical processes occurring in micromixers and microreactors. Therefore, there is a growing interest in performing in-line and on-line analyses of chemical and/or biochemical processes. This creates tremendous opportunities for the incorporation of spectroscopic detection techniques into production and processing lines in various industries. In this work, an overview of current applications of ultraviolet–visible, infrared, Raman spectroscopy, NMR, MALDI-TOF-MS, and ESI-MS for monitoring (bio)catalytic processes in continuously operated microreactor systems is presented. The manuscript includes a description of the advantages and disadvantages of the analytical methods listed, with particular emphasis on the chemometric methods used for spectroscopic data analysis.
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Affiliation(s)
- Tamara Jurina
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Tea Sokač Cvetnić
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Anita Šalić
- Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10 000 Zagreb, Croatia
| | - Maja Benković
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Davor Valinger
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Jasenka Gajdoš Kljusurić
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Bruno Zelić
- Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10 000 Zagreb, Croatia
- Department for Packaging, Recycling and Environmental Protection, University North, Trg dr. Žarka Dolinara 1, 48 000 Koprivnica, Croatia
| | - Ana Jurinjak Tušek
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
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Immunoaffinity extraction followed by enzymatic digestion for the isolation and identification of proteins employing automated μSPE reactors and mass spectrometry. Anal Bioanal Chem 2022:10.1007/s00216-022-04381-0. [PMID: 36369591 PMCID: PMC10328895 DOI: 10.1007/s00216-022-04381-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 09/01/2022] [Accepted: 10/12/2022] [Indexed: 11/13/2022]
Abstract
AbstractThis work describes a novel automated and rapid method for bottom-up proteomics combining protein isolation with a micro-immobilised enzyme reactor (IMER). Crosslinking chemistry based on 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide/N-hydroxysuccinimide (EDC/NHS) coupling was exploited to immobilise trypsin and antibodies onto customisable silica particles coated with carboxymethylated dextran (CMD). This novel silica–CMD solid-phase extraction material was characterised using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), conductometric titrations and enzymatic colorimetric assays. Micro-solid-phase extraction (μSPE) cartridges equipped with the modified CMD material were employed and integrated into an automated and repeatable workflow using a sample preparation workstation to achieve rapid and repeatable protein isolation and pre-concentration, followed by tryptic digestion producing peptide fragments that were identified by liquid chromatography mass spectrometry (LC-MS).
Graphical abstract
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Rainer T, Egger AS, Zeindl R, Tollinger M, Kwiatkowski M, Müller T. 3D-Printed High-Pressure-Resistant Immobilized Enzyme Microreactor (μIMER) for Protein Analysis. Anal Chem 2022; 94:8580-8587. [PMID: 35678765 PMCID: PMC9218953 DOI: 10.1021/acs.analchem.1c05232] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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Additive manufacturing
(3D printing) has greatly revolutionized
the way researchers approach certain technical challenges. Despite
its outstanding print quality and resolution, stereolithography (SLA)
printing is cost-effective and relatively accessible. However, applications
involving mass spectrometry (MS) are few due to residual oligomers
and additives leaching from SLA-printed devices that interfere with
MS analyses. We identified the crosslinking agent urethane dimethacrylate
as the main contaminant derived from SLA prints. A stringent washing
and post-curing protocol mitigated sample contamination and rendered
SLA prints suitable for MS hyphenation. Thereafter, SLA printing was
used to produce 360 μm I.D. microcolumn chips with excellent
structural properties. By packing the column with polystyrene microspheres
and covalently immobilizing pepsin, an exceptionally effective microscale
immobilized enzyme reactor (μIMER) was created. Implemented
in an online liquid chromatography-MS/MS setup, the protease microcolumn
enabled reproducible protein digestion and peptide mapping with 100%
sequence coverage obtained for three different recombinant proteins.
Additionally, when assessing the μIMER digestion efficiency
for complex proteome samples, it delivered a 144-fold faster and significantly
more efficient protein digestion compared to 24 h for bulk digestion.
The 3D-printed μIMER withstands remarkably high pressures above
130 bar and retains its activity for several weeks. This versatile
platform will enable researchers to produce tailored polymer-based
enzyme reactors for various applications in analytical chemistry and
beyond.
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Affiliation(s)
- Tobias Rainer
- Institute of Organic Chemistry and Center for Molecular Biosciences (CMBI), Leopold-Franzens University Innsbruck, 6020 Innsbruck, Austria
| | - Anna-Sophia Egger
- Institute of Biochemistry and Center for Molecular Biosciences (CMBI), Leopold-Franzens University Innsbruck, 6020 Innsbruck, Austria
| | - Ricarda Zeindl
- Institute of Organic Chemistry and Center for Molecular Biosciences (CMBI), Leopold-Franzens University Innsbruck, 6020 Innsbruck, Austria
| | - Martin Tollinger
- Institute of Organic Chemistry and Center for Molecular Biosciences (CMBI), Leopold-Franzens University Innsbruck, 6020 Innsbruck, Austria
| | - Marcel Kwiatkowski
- Institute of Biochemistry and Center for Molecular Biosciences (CMBI), Leopold-Franzens University Innsbruck, 6020 Innsbruck, Austria
| | - Thomas Müller
- Institute of Organic Chemistry and Center for Molecular Biosciences (CMBI), Leopold-Franzens University Innsbruck, 6020 Innsbruck, Austria
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Microfluidic Immobilized Enzymatic Reactors for Proteomic Analyses—Recent Developments and Trends (2017–2021). MICROMACHINES 2022; 13:mi13020311. [PMID: 35208435 PMCID: PMC8879403 DOI: 10.3390/mi13020311] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 02/13/2022] [Accepted: 02/14/2022] [Indexed: 01/02/2023]
Abstract
Given the strong interdisciplinary nature of microfluidic immobilized enzyme reactor (μ-IMER) technology, several branches of science contribute to its successful implementation. A combination of physical, chemical knowledge and engineering skills is often required. The development and application of μ-IMERs in the proteomic community are experiencing increasing importance due to their attractive features of enzyme reusability, shorter digestion times, the ability to handle minute volumes of sample and the prospect of on-line integration into analytical workflows. The aim of this review is to give an account of the current (2017–2021) trends regarding the preparation of microdevices, immobilization strategies, and IMER configurations. The different aspects of microfabrication (designs, fabrication technologies and detectors) and enzyme immobilization (empty and packed channels, and monolithic supports) are surveyed focusing on μ-IMERs developed for proteomic analysis. Based on the advantages and limitations of the published approaches and the different applications, a probable perspective is given.
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Development of an In-Line Enzyme Reactor Integrated into a Capillary Electrophoresis System. Molecules 2021; 26:molecules26195902. [PMID: 34641446 PMCID: PMC8513095 DOI: 10.3390/molecules26195902] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 09/23/2021] [Accepted: 09/27/2021] [Indexed: 12/03/2022] Open
Abstract
The goal of this paper was to develop an in-line immobilized enzyme reactor (IMER) integrated into a capillary electrophoresis platform. In our research, we created the IMER by adsorbing trypsin onto the inner surface of a capillary in a short section. Enzyme immobilization was possible due to the electrostatic attraction between the oppositely charged fused silica capillary surface and trypsin. The reactor was formed by simply injecting and removing trypsin solution from the capillary inlet (~1–2 cms). We investigated the factors affecting the efficiency of the reactor. The main advantages of the proposed method are the fast, cheap, and easy formation of an IMER with in-line protein digestion capability. Human tear samples were used to test the efficiency of the digestion in the microreactor.
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Korzhikova-Vlakh EG, Platonova GA, Tennikova TB. Macroporous Polymer Monoliths for Affinity Chromatography and Solid-Phase Enzyme Processing. Methods Mol Biol 2021; 2178:251-284. [PMID: 33128755 DOI: 10.1007/978-1-0716-0775-6_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Nowadays, monolithic stationary phases, because of their special morphology and enormous permeability, are widely used for the development and realization of fast dynamic and static processes based on the mass transition between liquid and solid phases. These are liquid chromatography, solid-phase synthesis, microarrays, flow-through enzyme reactors, etc. High-performance liquid chromatography on monoliths, including the bioaffinity mode, represents unique technique appropriate for fast and efficient separation of biological (macro)molecules of different sizes and shapes (proteins, nucleic acids, peptides), as well as such supramolecular systems as viruses.In the edited chapter, the examples of the application of commercially available macroporous monoliths for modern affinity processing are presented. In particular, the original methods developed for efficient isolation and fractionation of monospecific antibodies from rabbit blood sera, the possibility of simultaneous affinity separation of protein G and serum albumin from human serum, the isolation of recombinant products, such as protein G and tissue plasminogen activator, respectively, are described in detail. The suggested and realized multifunctional fractionation of polyclonal pools of antibodies by the combination of several short monolithic columns (disks) with different affinity functionalities stacked in the same cartridge represents the original and practically valuable method that can be used in biotechnology. In addition, macroporous monoliths were adapted to the immobilization of such different enzymes as polynucleotide phosphorylase, ribonuclease A, α-chymotrypsin, chitinolytic biocatalysts, β-xylosidase, and β-xylanase. The possibility of use of immobilized enzyme reactors based on monoliths for different purposes is demonstrated.
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Affiliation(s)
- E G Korzhikova-Vlakh
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg, Russia
| | - G A Platonova
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg, Russia
| | - T B Tennikova
- Institute of Chemistry, Saint-Petersburg State University, St. Petersburg, Russia.
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Mao Y, Fan R, Li R, Ye X, Kulozik U. Flow-through enzymatic reactors using polymer monoliths: From motivation to application. Electrophoresis 2020; 42:2599-2614. [PMID: 33314167 DOI: 10.1002/elps.202000266] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/01/2020] [Accepted: 12/04/2020] [Indexed: 11/06/2022]
Abstract
The application of monolithic materials as carriers for enzymes has rapidly expanded to the realization of flow-through analysis and bioconversion processes. This expansion is partly attributed to the absence from diffusion limitation in many monoliths-based enzyme reactors. Particularly, the relatively ease of introducing functional groups renders polymer monoliths attractive as enzyme carriers. After summarizing the motivation to develop enzymatic reactors using polymer monoliths, this review reports the most recent applications of such reactors. Besides, the present review focuses on the crucial characteristics of polymer monoliths affecting the immobilization of enzymes and the processing parameters dictating the performance of the resulting enzymatic reactors. This review is intended to provide a guideline for designing and applying flow-through enzymatic reactors using polymer monoliths.
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Affiliation(s)
- Yuhong Mao
- Fujian Key Laboratory of Marine Enzyme Engineering, College of Biological Science and Technology, Fuzhou University, Fuzhou, Fujian, P. R. China
| | - Rong Fan
- Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, Giessen, Germany
| | - Renkuan Li
- Fujian Key Laboratory of Marine Enzyme Engineering, College of Biological Science and Technology, Fuzhou University, Fuzhou, Fujian, P. R. China
| | - Xiuyun Ye
- Fujian Key Laboratory of Marine Enzyme Engineering, College of Biological Science and Technology, Fuzhou University, Fuzhou, Fujian, P. R. China
| | - Ulrich Kulozik
- Chair of Food and Bioprocess Engineering, Technical University of Munich, Freising-Weihenstephan, Germany
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Abstract
Biocatalysts provide a number of advantages such as high selectivity, the ability to operate under mild reaction conditions and availability from renewable resources that are of interest in the development of bioreactors for applications in the pharmaceutical and other sectors. The use of oxidoreductases in biocatalytic reactors is primarily focused on the use of NAD(P)-dependent enzymes, with the recycling of the cofactor occurring via an additional enzymatic system. The use of electrochemically based systems has been limited. This review focuses on the development of electrochemically based biocatalytic reactors. The mechanisms of mediated and direct electron transfer together with methods of immobilising enzymes are briefly reviewed. The use of electrochemically based batch and flow reactors is reviewed in detail with a focus on recent developments in the use of high surface area electrodes, enzyme engineering and enzyme cascades. A future perspective on electrochemically based bioreactors is presented.
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Rodriguez-Abetxuko A, Sánchez-deAlcázar D, Muñumer P, Beloqui A. Tunable Polymeric Scaffolds for Enzyme Immobilization. Front Bioeng Biotechnol 2020; 8:830. [PMID: 32850710 PMCID: PMC7406678 DOI: 10.3389/fbioe.2020.00830] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 06/29/2020] [Indexed: 12/12/2022] Open
Abstract
The number of methodologies for the immobilization of enzymes using polymeric supports is continuously growing due to the developments in the fields of biotechnology, polymer chemistry, and nanotechnology in the last years. Despite being excellent catalysts, enzymes are very sensitive molecules and can undergo denaturation beyond their natural environment. For overcoming this issue, polymer chemistry offers a wealth of opportunities for the successful combination of enzymes with versatile natural or synthetic polymers. The fabrication of functional, stable, and robust biocatalytic hybrid materials (nanoparticles, capsules, hydrogels, or films) has been proven advantageous for several applications such as biomedicine, organic synthesis, biosensing, and bioremediation. In this review, supported with recent examples of enzyme-protein hybrids, we provide an overview of the methods used to combine both macromolecules, as well as the future directions and the main challenges that are currently being tackled in this field.
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Affiliation(s)
| | | | - Pablo Muñumer
- PolyZymes group, POLYMAT and Department of Applied Chemistry (UPV/EHU), San Sebastián, Spain
| | - Ana Beloqui
- PolyZymes group, POLYMAT and Department of Applied Chemistry (UPV/EHU), San Sebastián, Spain
- Department of Applied Chemistry, University of the Basque Country, San Sebastián, Spain
- IKERBASQUE, Bilbao, Spain
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10
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Development of Immobilized Enzyme Reactors for the characterization of the glycosylation heterogeneity of a protein. Talanta 2020; 206:120171. [DOI: 10.1016/j.talanta.2019.120171] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2019] [Revised: 07/17/2019] [Accepted: 07/22/2019] [Indexed: 11/19/2022]
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11
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Recent advances in the fabrication and application of nanomaterial-based enzymatic microsystems in chemical and biological sciences. Anal Chim Acta 2019; 1067:31-47. [DOI: 10.1016/j.aca.2019.02.031] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 02/09/2019] [Accepted: 02/12/2019] [Indexed: 11/24/2022]
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12
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Complementarity of Matrix- and Nanostructure-Assisted Laser Desorption/Ionization Approaches. NANOMATERIALS 2019; 9:nano9020260. [PMID: 30769830 PMCID: PMC6410089 DOI: 10.3390/nano9020260] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/08/2019] [Accepted: 02/11/2019] [Indexed: 01/06/2023]
Abstract
In recent years, matrix-assisted laser desorption/ionization (MALDI) has become the main tool for the study of biological macromolecules, such as protein nano-machines, especially in the determination of their molecular masses, structure, and post-translational modifications. A key role in the classical process of desorption and ionization of the sample is played by a matrix, usually a low-molecular weight weak organic acid. Unfortunately, the interpretation of mass spectra in the mass range of below m/z 500 is difficult, and hence the analysis of low molecular weight compounds in a matrix-assisted system is an analytical challenge. Replacing the classical matrix with nanomaterials, e.g., silver nanoparticles, allows improvement of the selectivity and sensitivity of spectrometric measurement of biologically important small molecules. Nowadays, the nanostructure-assisted laser desorption/ionization (NALDI) approach complements the classic MALDI in the field of modern bioanalytics. In particular, the aim of this work is to review the recent advances in MALDI and NALDI approaches.
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Naldi M, Tramarin A, Bartolini M. Immobilized enzyme-based analytical tools in the -omics era: Recent advances. J Pharm Biomed Anal 2018; 160:222-237. [DOI: 10.1016/j.jpba.2018.07.051] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 07/26/2018] [Accepted: 07/30/2018] [Indexed: 02/01/2023]
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Lynch KB, Ren J, Beckner MA, He C, Liu S. Monolith columns for liquid chromatographic separations of intact proteins: A review of recent advances and applications. Anal Chim Acta 2018; 1046:48-68. [PMID: 30482303 DOI: 10.1016/j.aca.2018.09.021] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 09/10/2018] [Accepted: 09/11/2018] [Indexed: 01/20/2023]
Abstract
In this article we survey 256 references (with an emphasis on the papers published in the past decade) on monolithic columns for intact protein separation. Protein enrichment and purification are included in the broadly defined separation. After a brief introduction, we describe the types of monolithic columns and modes of chromatographic separations employed for protein separations. While the majority of the work is still in the research and development phase, papers have been published toward utilizing monolithic columns for practical applications. We survey these papers as well in this review. Characteristics of selected methods along with their pros and cons will also be discussed.
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Affiliation(s)
- Kyle B Lynch
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, United States
| | - Jiangtao Ren
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, United States
| | - Matthew A Beckner
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, United States
| | - Chiyang He
- School of Chemistry and Chemical Engineering, Wuhan Textile University, 1 Textile Road, Wuhan, 430073, PR China
| | - Shaorong Liu
- Department of Chemistry and Biochemistry, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, United States.
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Wu N, Wang S, Yang Y, Song J, Su P, Yang Y. DNA-directed trypsin immobilization on a polyamidoamine dendrimer-modified capillary to form a renewable immobilized enzyme microreactor. Int J Biol Macromol 2018; 113:38-44. [DOI: 10.1016/j.ijbiomac.2018.02.057] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 01/27/2018] [Accepted: 02/09/2018] [Indexed: 01/12/2023]
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16
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Gu YJ, Zhu ML, Li YL, Xiong CH. Research of a new metal chelating carrier preparation and papain immobilization. Int J Biol Macromol 2018; 112:1175-1182. [DOI: 10.1016/j.ijbiomac.2018.02.079] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 02/10/2018] [Accepted: 02/12/2018] [Indexed: 01/06/2023]
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17
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Volokitina MV, Nikitina AV, Tennikova TB, Korzhikova-Vlakh EG. Immobilized enzyme reactors based on monoliths: Effect of pore size and enzyme loading on biocatalytic process. Electrophoresis 2017; 38:2931-2939. [DOI: 10.1002/elps.201700210] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Revised: 04/09/2017] [Accepted: 04/09/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Mariia V. Volokitina
- Russian Academy of Sciences; Institute of Macromolecular Compounds; St. Petersburg Russia
- Institute of Chemistry; Saint-Petersburg State University; St. Petersburg Russia
| | - Anna V. Nikitina
- Institute of Chemistry; Saint-Petersburg State University; St. Petersburg Russia
| | - Tatiana B. Tennikova
- Institute of Chemistry; Saint-Petersburg State University; St. Petersburg Russia
| | - Evgenia G. Korzhikova-Vlakh
- Russian Academy of Sciences; Institute of Macromolecular Compounds; St. Petersburg Russia
- Institute of Chemistry; Saint-Petersburg State University; St. Petersburg Russia
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Mao Y, Černigoj U, Zalokar V, Štrancar A, Kulozik U. Production of β-Lactoglobulin hydrolysates by monolith based immobilized trypsin reactors. Electrophoresis 2017; 38:2947-2956. [DOI: 10.1002/elps.201700188] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 06/25/2017] [Accepted: 07/03/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Yuhong Mao
- Technical University of Munich; Chair for Food and Bioprocess Engineering; Freising-Weihenstephan Germany
| | | | | | | | - Ulrich Kulozik
- Technical University of Munich; Chair for Food and Bioprocess Engineering; Freising-Weihenstephan Germany
- Institute for Food and Health (ZIEL) - Technology Unit; Freising-Weihenstephan Germany
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Blue LE, Franklin EG, Godinho JM, Grinias JP, Grinias KM, Lunn DB, Moore SM. Recent advances in capillary ultrahigh pressure liquid chromatography. J Chromatogr A 2017; 1523:17-39. [PMID: 28599863 DOI: 10.1016/j.chroma.2017.05.039] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Revised: 05/12/2017] [Accepted: 05/15/2017] [Indexed: 11/28/2022]
Abstract
In the twenty years since its initial demonstration, capillary ultrahigh pressure liquid chromatography (UHPLC) has proven to be one of most powerful separation techniques for the analysis of complex mixtures. This review focuses on the most recent advances made since 2010 towards increasing the performance of such separations. Improvements in capillary column preparation techniques that have led to columns with unprecedented performance are described. New stationary phases and phase supports that have been reported over the past decade are detailed, with a focus on their use in capillary formats. A discussion on the instrument developments that have been required to ensure that extra-column effects do not diminish the intrinsic efficiency of these columns during analysis is also included. Finally, the impact of these capillary UHPLC topics on the field of proteomics and ways in which capillary UHPLC may continue to be applied to the separation of complex samples are addressed.
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Affiliation(s)
- Laura E Blue
- Process Development, Amgen Inc., Thousand Oaks, CA 91320, USA
| | - Edward G Franklin
- HPLC Research & Development, Restek Corp., Bellefonte, PA 16823, USA
| | - Justin M Godinho
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - James P Grinias
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, NJ 08028, USA.
| | - Kaitlin M Grinias
- Department of Product Development & Supply, GlaxoSmithKline, King of Prussia, PA 19406, USA
| | - Daniel B Lunn
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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