1
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Mozgovicz M, Lingg N, Bresolin ITL, Schaufler T, Jungbauer A. Quantification of human intravenous immunoglobulin from plasma and in process samples by affinity chromatography. Prep Biochem Biotechnol 2024:1-6. [PMID: 39091236 DOI: 10.1080/10826068.2024.2384494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2024]
Abstract
Advances in affinity chromatography now make it possible to analyze immunoglobulin G from plasma and its fractions with a simple chromatographic method. Ligands derived from camelid antibodies have been developed which have affinity to all 4 subclasses of human IgG without a cross reactivity to other immunoglobulins. The commercially available Capture Select FcXL is the basis for a simple method for direct quantification of immunoglobulin G from plasma or from fractions from cold ethanol precipitation. After direct injection of the sample into the column the unbound proteins are washed out with equilibration buffer and eluted with a pH-step. The elution the peak is integrated, and quantity is derived form a standard curve. The limit of detection with 40 µg/mL, and a linearity up to 250 µg/mL allows an analysis of samples ranging from 0.04 to 50 mg/mL using varying injection volume without further dilution and the two-wavelength detection. A full cycle is completed within five minutes. This method can serve as orthogonal method for in-process control but also for process development.
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Affiliation(s)
- Markus Mozgovicz
- University of Natural Resources and Life Sciences Vienna (BOKU), Vienna, Austria
- Vrije Universiteit Brussel (VUB), Bruxelles, Belgium
| | - Nico Lingg
- University of Natural Resources and Life Sciences Vienna (BOKU), Vienna, Austria
- Austrian Centre of Industrial Biotechnology, Vienna, Austria
| | | | - Theresa Schaufler
- University of Natural Resources and Life Sciences Vienna (BOKU), Vienna, Austria
| | - Alois Jungbauer
- University of Natural Resources and Life Sciences Vienna (BOKU), Vienna, Austria
- Austrian Centre of Industrial Biotechnology, Vienna, Austria
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2
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Cernosek T, Dalphin M, Jain N, Lor J, Richter N, Mellal M, Behrens S, Wunderli P. A case study application of AQbD to the re-development and validation of an affinity chromatography analytical procedure for mAb titer quantitation. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1242:124205. [PMID: 38880058 DOI: 10.1016/j.jchromb.2024.124205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 06/07/2024] [Accepted: 06/11/2024] [Indexed: 06/18/2024]
Abstract
Protein A (ProA) high-performance liquid chromatography (HPLC) is a common analytical procedure for measuring monoclonal antibody (mAb) titers due to its high specificity and efficiency. Accurate and reliable results of this procedure are imperative, as the quantitation of the total mAb present for in-process samples directly impacts downstream purification steps related to the removal of process-related impurities. This study aimed to improve a platform ProA HPLC analytical procedure which was previously developed using traditional approaches and was not always reliable. By retrospectively applying Analytical Quality by Design (AQbD) principles and statistical assessments of performance, a bias in the calibration standard due to protein-adsorption to common sample vial materials was identified. The inclusion of Tween® 20 into the mobile phase used as sample diluent was optimized to ensure procedure performance and improve analytical range. The resulting procedure robustness was evaluated using Design of Experiment (DoE) approaches and performance was verified against Analytical Target Profile (ATP) criteria as recommended by regulatory agencies. The resulting linearity displayed R2 values of 1.00 with intercept biases of 1.2 % (analyst 1) and 0.8 % (analyst 2), accuracy across all levels was reported at 99.2 % recovery, and intermediate precision was reported as 3.0 % RSD. Application of this new platform procedure has since reduced development timelines for new mAb products by 50 % and allowed for accurate titer determination to support >5 early phase product-specific process decisions without requiring extensive analytical procedure development. This work demonstrates the utility and relative ease of adopting AQbD concepts, even for established procedures, and supporting them with a lifecycle approach to managing procedure performance.
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Affiliation(s)
- Terezie Cernosek
- Catalent Biologics, Madison, WI, USA; Keck Graduate Institute of Applied Life Sciences, Claremont, CA, USA.
| | | | | | - Jason Lor
- Catalent Biologics, Madison, WI, USA
| | | | | | - Sue Behrens
- Keck Graduate Institute of Applied Life Sciences, Claremont, CA, USA
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3
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van der Burg D, Wätzig H, Sänger-van de Griend CE. Method development for quantitative monitoring of monoclonal antibodies in upstream cell-culture process samples with limited sample preparation - An evaluation of various capillary coatings. Electrophoresis 2023; 44:96-106. [PMID: 36239141 PMCID: PMC10099398 DOI: 10.1002/elps.202200144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 09/27/2022] [Accepted: 09/29/2022] [Indexed: 11/11/2022]
Abstract
Monoclonal antibodies (mAbs) have become an important class of biopharmaceuticals used for the treatment of various diseases. Their quantification during the manufacturing process is important. In this work, a capillary zone electrophoresis (CZE) method was developed for the monitoring of the mAb concentration during cell-culture processes. CZE method development rules are outlined, particularly discussing various capillary coatings, such as a neutral covalent polyvinyl alcohol coating, a dynamic successive multiple ionic-polymer coating, and dynamic coatings using background electrolyte additives such as triethanolamine (T-EthA) and triethylamine. The dynamic T-EthA coating resulted in most stable electro-osmotic flows and most efficient peak shapes. The method is validated over the range 0.1-10 mg/ml, with a linear range of 0.08-1.3 mg/ml and an extended range of 1-10 mg/ml by diluting samples in the latter concentration range 10-fold in water. The intraday precision and accuracy were 2%-12% and 88%-107%, respectively, and inter-day precision and accuracy were 4%-9% and 93%-104%, respectively. The precision and accuracy of the lowest concentration level (0.08 mg/ml) were slightly worse and still well in scope for monitoring purposes. The presented method proved applicable for analysing in-process cell-culture samples from different cell-culture processes and is possibly well suited as platform method.
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Affiliation(s)
- Debbie van der Burg
- Kantisto BV, Baarn, The Netherlands.,Department of Chemistry, KTH Royal Institute of Technology, Division of Applied Physical Chemistry, Stockholm, Sweden.,Institute of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Braunschweig, Germany
| | - Hermann Wätzig
- Institute of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Braunschweig, Germany
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4
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Farzi-Khajeh H, Toraby S, Akbarzadeh-Khiavi M, Safary A, Somi MH. Development of biomimetic triazine-based affinity ligands for efficient immunoglobulin G purification from human and rabbit plasma. J Chromatogr A 2022; 1684:463559. [DOI: 10.1016/j.chroma.2022.463559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/06/2022] [Accepted: 10/09/2022] [Indexed: 11/16/2022]
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5
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Poddar S, Sharmeen S, Hage DS. Affinity monolith chromatography: A review of general principles and recent developments. Electrophoresis 2021; 42:2577-2598. [PMID: 34293192 DOI: 10.1002/elps.202100163] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/07/2021] [Accepted: 07/18/2021] [Indexed: 12/28/2022]
Abstract
Affinity monolith chromatography (AMC) is a liquid chromatographic technique that utilizes a monolithic support with a biological ligand or related binding agent to isolate, enrich, or detect a target analyte in a complex matrix. The target-specific interaction exhibited by the binding agents makes AMC attractive for the separation or detection of a wide range of compounds. This article will review the basic principles of AMC and recent developments in this field. The supports used in AMC will be discussed, including organic, inorganic, hybrid, carbohydrate, and cryogel monoliths. Schemes for attaching binding agents to these monoliths will be examined as well, such as covalent immobilization, biospecific adsorption, entrapment, molecular imprinting, and coordination methods. An overview will then be given of binding agents that have recently been used in AMC, along with their applications. These applications will include bioaffinity chromatography, immunoaffinity chromatography, immobilized metal-ion affinity chromatography, and dye-ligand or biomimetic affinity chromatography. The use of AMC in chiral separations and biointeraction studies will also be discussed.
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Affiliation(s)
- Saumen Poddar
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, 68588, USA
| | - Sadia Sharmeen
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, 68588, USA
| | - David S Hage
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska, 68588, USA
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6
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Christler A, Felföldi E, Mosor M, Sauer D, Walch N, Dürauer A, Jungbauer A. Semi-automation of process analytics reduces operator effect. Bioprocess Biosyst Eng 2019; 43:753-764. [PMID: 31813007 PMCID: PMC7125066 DOI: 10.1007/s00449-019-02254-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 11/11/2019] [Indexed: 01/14/2023]
Abstract
The aim of this study was to semi-automate process analytics for the quantification of common impurities in downstream processing such as host cell DNA, host cell proteins and endotoxins using a commercial liquid handling station. By semi-automation, the work load to fully analyze the elution peak of a purification run was reduced by at least 2.41 h. The relative standard deviation of results among different operators over a time span of up to 6 months was at the best reduced by half, e.g. from 13.7 to 7.1% in dsDNA analysis. Automation did not improve the reproducibility of results produced by one operator but released time for data evaluation and interpretation or planning of experiments. Overall, semi-automation of process analytics reduced operator-specific influence on test results. Such robust and reproducible analytics is fundamental to establish process analytical technology and get downstream processing ready for Quality by Design approaches.
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Affiliation(s)
- A Christler
- Austrian Centre of Industrial Biotechnology, Muthgasse 11, 1190, Vienna, Austria
| | - E Felföldi
- Austrian Centre of Industrial Biotechnology, Muthgasse 11, 1190, Vienna, Austria
| | - M Mosor
- Austrian Centre of Industrial Biotechnology, Muthgasse 11, 1190, Vienna, Austria
| | - D Sauer
- Austrian Centre of Industrial Biotechnology, Muthgasse 11, 1190, Vienna, Austria
| | - N Walch
- Austrian Centre of Industrial Biotechnology, Muthgasse 11, 1190, Vienna, Austria
| | - A Dürauer
- Austrian Centre of Industrial Biotechnology, Muthgasse 11, 1190, Vienna, Austria.,Institute of Bioprocess Science and Engineering, Department of Biotechnology, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, 1190, Vienna, Austria
| | - A Jungbauer
- Austrian Centre of Industrial Biotechnology, Muthgasse 11, 1190, Vienna, Austria. .,Institute of Bioprocess Science and Engineering, Department of Biotechnology, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, 1190, Vienna, Austria.
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7
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Current trends in affinity-based monoliths in microextraction approaches: A review. Anal Chim Acta 2019; 1084:1-20. [DOI: 10.1016/j.aca.2019.07.020] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 07/08/2019] [Accepted: 07/09/2019] [Indexed: 12/15/2022]
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8
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Walch N, Scharl T, Felföldi E, Sauer DG, Melcher M, Leisch F, Dürauer A, Jungbauer A. Prediction of the Quantity and Purity of an Antibody Capture Process in Real Time. Biotechnol J 2019; 14:e1800521. [DOI: 10.1002/biot.201800521] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 01/31/2019] [Indexed: 01/16/2023]
Affiliation(s)
- Nicole Walch
- Austrian Centre of Industrial Biotechnology Muthgasse 18 A‐1190 Vienna Austria
- Department of BiotechnologyUniversity of Natural Resources and Life SciencesVienna Muthgasse 18 A‐1190 Vienna Austria
| | - Theresa Scharl
- Austrian Centre of Industrial Biotechnology Muthgasse 18 A‐1190 Vienna Austria
- Institute of StatisticsUniversity of Natural Resources and Life Sciences ViennaPeter‐Jordan‐Straße 82 A‐1190 Vienna Austria
| | - Edit Felföldi
- Austrian Centre of Industrial Biotechnology Muthgasse 18 A‐1190 Vienna Austria
- Department of BiotechnologyUniversity of Natural Resources and Life SciencesVienna Muthgasse 18 A‐1190 Vienna Austria
| | - Dominik G. Sauer
- Austrian Centre of Industrial Biotechnology Muthgasse 18 A‐1190 Vienna Austria
- Department of BiotechnologyUniversity of Natural Resources and Life SciencesVienna Muthgasse 18 A‐1190 Vienna Austria
| | - Michael Melcher
- Austrian Centre of Industrial Biotechnology Muthgasse 18 A‐1190 Vienna Austria
- Institute of StatisticsUniversity of Natural Resources and Life Sciences ViennaPeter‐Jordan‐Straße 82 A‐1190 Vienna Austria
| | - Friedrich Leisch
- Austrian Centre of Industrial Biotechnology Muthgasse 18 A‐1190 Vienna Austria
- Institute of StatisticsUniversity of Natural Resources and Life Sciences ViennaPeter‐Jordan‐Straße 82 A‐1190 Vienna Austria
| | - Astrid Dürauer
- Austrian Centre of Industrial Biotechnology Muthgasse 18 A‐1190 Vienna Austria
- Department of BiotechnologyUniversity of Natural Resources and Life SciencesVienna Muthgasse 18 A‐1190 Vienna Austria
| | - Alois Jungbauer
- Austrian Centre of Industrial Biotechnology Muthgasse 18 A‐1190 Vienna Austria
- Department of BiotechnologyUniversity of Natural Resources and Life SciencesVienna Muthgasse 18 A‐1190 Vienna Austria
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9
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Ramos‐de‐la‐Peña AM, González‐Valdez J, Aguilar O. Protein A chromatography: Challenges and progress in the purification of monoclonal antibodies. J Sep Sci 2019; 42:1816-1827. [DOI: 10.1002/jssc.201800963] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 02/15/2019] [Accepted: 02/24/2019] [Indexed: 11/07/2022]
Affiliation(s)
| | | | - Oscar Aguilar
- Tecnologico de MonterreySchool of Engineering and Science Monterrey NL Mexico
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10
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NISHIMURA N, NAITO T, KUBO T, OTSUKA K. Suppression of Hydrophobicity and Optimizations of a Ligand-Immobilization for Effective Affinity Chromatography Using a Spongy Monolith. CHROMATOGRAPHY 2018. [DOI: 10.15583/jpchrom.2018.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
| | | | - Takuya KUBO
- Graduate School of Engineering, Kyoto University
| | - Koji OTSUKA
- Graduate School of Engineering, Kyoto University
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11
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Satzer P, Sommer R, Paulsson J, Rodler A, Zehetner R, Hofstädter K, Klade C, Jungbauer A. Monolith affinity chromatography for the rapid quantification of a single-chain variable fragment immunotoxin. J Sep Sci 2018; 41:3051-3059. [PMID: 29873445 PMCID: PMC6099420 DOI: 10.1002/jssc.201800257] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Revised: 05/25/2018] [Accepted: 05/25/2018] [Indexed: 01/31/2023]
Abstract
We developed a novel analytical method for concentration determination of tandem single‐chain antibody diphtheria toxin (immunotoxin). The method is based on polymethacrylate monoliths with Protein L ligands as the binding moiety. Different buffers were tested for elution of the Protein L‐bound immunotoxin and 4.5 M guanidinium hydrochloride performed best. We optimized the elution conditions and the method sequence resulting in a fast and robust method with a runtime <10 min. Fast determination of immunotoxin is critical if any process decisions rely on this data. We determined method performance and a lower limit of detection of 27 μg/mL and a lower limit of quantification of 90 μg/mL was achieved. The validity of the method in terms of residual analysis, precision, and repeatability was proven in a range from 100 to 375 μg/mL. The short runtime and ease of use of a high‐performance liquid chromatography method is especially useful for a process analytical tool approach. Bioprocesses related to immunotoxin where fermentation or other process parameters can be adjusted in accordance to the immunotoxin levels will be benefited from this method to achieve the highest possible purity and productivity.
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Affiliation(s)
- Peter Satzer
- Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Ralf Sommer
- Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.,Austrian Centre of Industrial Biotechnology, Vienna, Austria
| | - Johanna Paulsson
- Department of Applied Biochemistry, Lund University, Lund, Sweden
| | - Agnes Rodler
- Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | | | | | | | - Alois Jungbauer
- Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.,Austrian Centre of Industrial Biotechnology, Vienna, Austria
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12
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Salimi K, Usta DD, Koçer İ, Çelik E, Tuncel A. Protein A and protein A/G coupled magnetic SiO2 microspheres for affinity purification of immunoglobulin G. Int J Biol Macromol 2018; 111:178-185. [DOI: 10.1016/j.ijbiomac.2018.01.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 12/30/2017] [Accepted: 01/04/2018] [Indexed: 10/18/2022]
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13
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Satzer P, Jungbauer A. High-capacity protein A affinity chromatography for the fast quantification of antibodies: Two-wavelength detection expands linear range. J Sep Sci 2018; 41:1791-1797. [PMID: 29330912 PMCID: PMC5947708 DOI: 10.1002/jssc.201701481] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 01/03/2018] [Accepted: 01/03/2018] [Indexed: 01/01/2023]
Abstract
The high‐throughput analysis of antibodies from processes can be enhanced when the linear range is expanded and sample preparation is kept to a minimum. We developed a fast chromatography method based on a hexameric variant of staphylococcal protein A immobilized on Toyopearl matrix, TSK 5 PW using two wavelengths. A protocol with 5 min runtime and a single‐wavelength detection at 280 nm yielded an upper limit of quantification of 2.10 mg/mL and a lower limit of quantification of 0.06 mg/mL. The optimized method with a runtime of 2 min and two‐wavelength detection at 280 and 300 nm allowed us to span a valid concentration range of 0.01–5.20 mg/mL using two calibration curves. Sample selectivity was tested using mock supernatant mixed with antibody concentrations of 0.1–2.1 mg/mL, sample stability in the autosampler was shown for at least 24 h. We also tested the capabilities of the method to determine purity of an antibody sample by calculating the ratio of peak area of elution to peak area of flow‐through, which correlated well with the expected purity. The method will be very useful for process development and in‐process control, spanning concentrations from seed fermentation to harvest and purification.
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Affiliation(s)
- Peter Satzer
- Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Alois Jungbauer
- Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Vienna, Austria
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14
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Zhang C, Rodriguez E, Bi C, Zheng X, Suresh D, Suh K, Li Z, Elsebaei F, Hage DS. High performance affinity chromatography and related separation methods for the analysis of biological and pharmaceutical agents. Analyst 2018; 143:374-391. [PMID: 29200216 PMCID: PMC5768458 DOI: 10.1039/c7an01469d] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The last few decades have witnessed the development of many high-performance separation methods that use biologically related binding agents. The combination of HPLC with these binding agents results in a technique known as high performance affinity chromatography (HPAC). This review will discuss the general principles of HPAC and related techniques, with an emphasis on their use for the analysis of biological compounds and pharmaceutical agents. Various types of binding agents for these methods will be considered, including antibodies, immunoglobulin-binding proteins, aptamers, enzymes, lectins, transport proteins, lipids, and carbohydrates. Formats that will be discussed for these methods range from the direct detection of an analyte to indirect detection based on chromatographic immunoassays, as well as schemes based on analyte extraction or depletion, post-column detection, and multi-column systems. The use of biological agents in HPLC for chiral separations will also be considered, along with the use of HPAC as a tool to screen or study biological interactions. Various examples will be presented to illustrate these approaches and their applications in fields such as biochemistry, clinical chemistry, and pharmaceutical research.
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Affiliation(s)
- Chenhua Zhang
- Department of Chemistry, University of Nebraska, Lincoln, NE 68588-0304, USA.
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15
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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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16
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Martinović T, Andjelković U, Klobučar M, Černigoj U, Vidič J, Lučić M, Pavelić K, Josić D. Affinity chromatography on monolithic supports for simultaneous and high-throughput isolation of immunoglobulins from human serum. Electrophoresis 2017; 38:2909-2913. [DOI: 10.1002/elps.201700216] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 07/27/2017] [Accepted: 08/01/2017] [Indexed: 01/29/2023]
Affiliation(s)
- Tamara Martinović
- Centre for High-throughput Technologies; Department of Biotechnology; University of Rijeka; Rijeka Croatia
- Division of Medicinal Chemistry, Department of Biotechnology; University of Rijeka; Rijeka Croatia
| | - Uroš Andjelković
- Division of Medicinal Chemistry, Department of Biotechnology; University of Rijeka; Rijeka Croatia
| | - Marko Klobučar
- Centre for High-throughput Technologies; Department of Biotechnology; University of Rijeka; Rijeka Croatia
| | | | - Jana Vidič
- BIA Separations d.o.o.; Ajdovščina Slovenia
| | - Marina Lučić
- Division of Medicinal Chemistry, Department of Biotechnology; University of Rijeka; Rijeka Croatia
| | - Krešimir Pavelić
- Centre for High-throughput Technologies; Department of Biotechnology; University of Rijeka; Rijeka Croatia
| | - Djuro Josić
- Centre for High-throughput Technologies; Department of Biotechnology; University of Rijeka; Rijeka Croatia
- Division of Medicinal Chemistry, Department of Biotechnology; University of Rijeka; Rijeka Croatia
- Department of Medicine; Warren Alpert Medical School; Brown University; Providence RI USA
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17
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Trang HK, Marcus RK. Application of protein A-modified capillary-channeled polymer polypropylene fibers to the quantitation of IgG in complex matrices. J Pharm Biomed Anal 2017; 142:49-58. [PMID: 28494339 DOI: 10.1016/j.jpba.2017.04.028] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 04/17/2017] [Accepted: 04/18/2017] [Indexed: 10/19/2022]
Abstract
Polypropylene (PP) capillary-channeled polymer (C-CP) fibers loaded with recombinant Staphyloccocus aureus protein A (rSPA) were used as an affinity chromatography stationary phase for the quantitation of immunoglobulin G (IgG) in complex biological matrices. Optimization of the chromatographic method regarding mobile phase components and load/elution conditions was performed. The six-minute analysis, including a load step with 12mM phosphate at pH 7.4, an elution step with 0.025% phosphoric acid and a re-equilibration step, was employed for quantitation of IgG1 from 0.075 to 3.00mgmL-1 in an IgG-free CHO cell supernatant matrix. Quantification of IgG1 content in a different CHO cell line was accomplished using the external calibration curve as well as using a standard addition approach. The high level of agreement between the two approaches suggests that the protein A-modified C-CP fiber phase is immune from matrix effects due to concomitant species such as host cell proteins (HCPs), host cell DNA, media components and other leachables and extractables. The inter-day and intra-day precision of the method were 3.1 and 3.5%RSD respectively for a single column. Column-to-column variability was 1.31 and 6.62%RSD for elution time and peak area, respectively, across columns prepared in different batches. The method reported here is well-suited for IgG analysis in complex harvest cell culture media in both the development and production environments.
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Affiliation(s)
- Hung K Trang
- Clemson University, Department of Chemistry, Biosystems Research Complex, Clemson, SC 29634, USA
| | - R Kenneth Marcus
- Clemson University, Department of Chemistry, Biosystems Research Complex, Clemson, SC 29634, USA.
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18
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Kubota K, Kubo T, Tanigawa T, Naito T, Otsuka K. New platform for simple and rapid protein-based affinity reactions. Sci Rep 2017; 7:178. [PMID: 28282970 PMCID: PMC5428043 DOI: 10.1038/s41598-017-00264-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 02/14/2017] [Indexed: 12/19/2022] Open
Abstract
We developed a spongy-like porous polymer (spongy monolith) consisting of poly(ethylene-co-glycidyl methacrylate) with continuous macropores that allowed efficient in situ reaction between the epoxy groups and proteins of interest. Immobilization of protein A on the spongy monolith enabled high-yield collection of immunoglobulin G (IgG) from cell culture supernatant even at a high flow rate. In addition, immobilization of pepsin on the spongy monolith enabled efficient online digestion at a high flow rate.
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Affiliation(s)
- Kei Kubota
- Graduate School of Engineering, Kyoto University, Kyoto, Japan.,Analytical and Quality Evaluation Research Laboratories, Daiichi Sankyo Co., Ltd., Hiratsuka, Japan
| | - Takuya Kubo
- Graduate School of Engineering, Kyoto University, Kyoto, Japan.
| | - Tetsuya Tanigawa
- Graduate School of Engineering, Kyoto University, Kyoto, Japan.,Chemco Scientific Co., Ltd., Osaka, Japan
| | - Toyohiro Naito
- Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Koji Otsuka
- Graduate School of Engineering, Kyoto University, Kyoto, Japan
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19
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20
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Continuous polyethylene glycol precipitation of recombinant antibodies: Sequential precipitation and resolubilization. Process Biochem 2016. [DOI: 10.1016/j.procbio.2015.11.032] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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21
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Herigstad MO, Dimartino S, Boi C, Sarti. GC. Experimental characterization of the transport phenomena, adsorption, and elution in a protein A affinity monolithic medium. J Chromatogr A 2015; 1407:130-8. [DOI: 10.1016/j.chroma.2015.06.045] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 06/11/2015] [Accepted: 06/15/2015] [Indexed: 11/26/2022]
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22
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23
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Hammerschmidt N, Hintersteiner B, Lingg N, Jungbauer A. Continuous precipitation of IgG from CHO cell culture supernatant in a tubular reactor. Biotechnol J 2015; 10:1196-205. [DOI: 10.1002/biot.201400608] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 11/27/2014] [Accepted: 12/23/2014] [Indexed: 11/09/2022]
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24
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Capture and intermediate purification of recombinant antibodies with combined precipitation methods. Biochem Eng J 2015. [DOI: 10.1016/j.bej.2014.10.008] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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25
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Highly linear pH gradients for analyzing monoclonal antibody charge heterogeneity in the alkaline range: Validation of the method parameters. J Chromatogr A 2014; 1373:124-30. [PMID: 25465369 DOI: 10.1016/j.chroma.2014.11.021] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2014] [Revised: 11/03/2014] [Accepted: 11/04/2014] [Indexed: 12/31/2022]
Abstract
Cation exchange chromatography has been routinely used for the quantification of monoclonal antibody (mAb) charge heterogeneity. A previously developed method utilizing pH gradients for the elution instead of salt gradients was validated according to current guidelines proposed by the ICH. The linearity, stability, accuracy, precision and the lower limit of quantification have been determined, using pure charge variant standards. The method is valid for the quantification of mAb samples with a charge heterogeneity between 1% and 50%. Three different approaches to obtaining pure standard material for the validation of bio-analytical methods for the quantification of charge heterogeneity of IgG are presented. These methods are based on salt gradient elution, pH gradient elution and displacement in cation exchange chromatography.
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Sommer R, Satzer P, Tscheliessnig A, Schulz H, Helk B, Jungbauer A. Combined polyethylene glycol and CaCl2 precipitation for the capture and purification of recombinant antibodies. Process Biochem 2014. [DOI: 10.1016/j.procbio.2014.07.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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27
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Tscheliessnig A, Satzer P, Hammerschmidt N, Schulz H, Helk B, Jungbauer A. Ethanol precipitation for purification of recombinant antibodies. J Biotechnol 2014; 188:17-28. [DOI: 10.1016/j.jbiotec.2014.07.436] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Revised: 06/27/2014] [Accepted: 07/22/2014] [Indexed: 11/24/2022]
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28
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Prediction of the isotherms of human IgG adsorption on Ni(II)-IDA-PEVA membrane using artificial neural networks. ADSORPTION 2014. [DOI: 10.1007/s10450-014-9641-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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29
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Leblebici P, Leblebici ME, Ferreira-da-Silva F, Rodrigues AE, Pais LS. Separation of human immunoglobulin G subclasses on a protein A monolith column. J Chromatogr B Analyt Technol Biomed Life Sci 2014; 962:89-93. [DOI: 10.1016/j.jchromb.2014.05.029] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2014] [Revised: 05/02/2014] [Accepted: 05/07/2014] [Indexed: 11/26/2022]
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Barroso T, Lourenço A, Araújo M, Bonifácio VDB, Roque ACA, Aguiar-Ricardo A. A green approach toward antibody purification: a sustainable biomimetic ligand for direct immobilization on (bio)polymeric supports. J Mol Recognit 2013; 26:662-71. [DOI: 10.1002/jmr.2309] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Revised: 06/24/2013] [Accepted: 08/13/2013] [Indexed: 11/11/2022]
Affiliation(s)
- Telma Barroso
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Caparica 2829-516 Portugal
| | - Anita Lourenço
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Caparica 2829-516 Portugal
| | - Marco Araújo
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Caparica 2829-516 Portugal
| | - Vasco D. B. Bonifácio
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Caparica 2829-516 Portugal
| | - Ana C. A. Roque
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Caparica 2829-516 Portugal
| | - Ana Aguiar-Ricardo
- REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Caparica 2829-516 Portugal
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Wellhoefer M, Sprinzl W, Hahn R, Jungbauer A. Autoprotease Npro: Analysis of self-cleaving fusion protein. J Chromatogr A 2013; 1304:92-100. [DOI: 10.1016/j.chroma.2013.06.062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Revised: 06/12/2013] [Accepted: 06/21/2013] [Indexed: 11/24/2022]
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32
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Tan YH, Fujikawa K, Pornsuriyasak P, Alla AJ, Ganesh NV, Demchenko AV, Stine KJ. Lectin-carbohydrate interactions on nanoporous gold monoliths. NEW J CHEM 2013; 37:2150-2165. [PMID: 24883017 PMCID: PMC4038695 DOI: 10.1039/c3nj00253e] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Monoliths of nanoporous gold (np-Au) were modified with self-assembled monolayers of octadecanethiol (C18-SH), 8-mercaptooctyl α-D-mannopyranoside (αMan-C8-SH), and 8-mercapto-3,6-dioxaoctanol (HO-PEG2-SH), and the loading was assessed using thermogravimetric analysis (TGA). Modification with mixed SAMs containing αMan-C8-SH (at a 0.20 mole fraction in the SAM forming solution) with either octanethiol or HO-PEG2-SH was also investigated. The np-Au monoliths modified with αMan-C8-SH bind the lectin Concanavalin A (Con A), and the additional mass due to bound protein was assessed using TGA analysis. A comparison of TGA traces measured before and after exposure of HO-PEG2-SH modified np-Au to Con A showed that the non-specific binding of Con A was minimal. In contrast, np-Au modified with octanethiol showed a significant mass loss due to non-specifically adsorbed Con A. A significant mass loss was also attributed to binding of Con A to bare np-Au monoliths. TGA revealed a mass loss due to the binding of Con A to np-Au monoliths modified with pure αMan-C8-SH. The use of mass losses determined by TGA to compare the binding of Con A to np-Au monoliths modified by mixed SAMs of αMan-C8-SH and either octanethiol or HO-PEG2-SH revealed that binding to mixed SAM modified surfaces is specific for the mixed SAMs with HO-PEG2-SH but shows a significant contribution from non-specific adsorption for the mixed SAMs with octanethiol. Minimal adsorption of immunoglobulin G (IgG) and peanut agglutinin (PNA) towards the mannoside modified np-Au monoliths was demonstrated. A greater mass loss was found for Con A bound onto the monolith than for either IgG or PNA, signifying that the mannose presenting SAMs in np-Au retain selectivity for Con A. TGA data also provide evidence that Con A bound to the αMan-C8-SH modified np-Au can be eluted by flowing a solution of methyl α-D-mannopyranoside through the structure. The presence of Con A proteins on the modified np-Au surface was also confirmed using atomic force microscopy (AFM). The results highlight the potential for application of carbohydrate modified np-Au monoliths to glycoscience and glycotechnology and demonstrate that they can be used for capture and release of carbohydrate binding proteins in significant quantities.
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Affiliation(s)
- Yih Horng Tan
- Department of Chemistry and Biochemistry, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
- UM-St. Louis Center for Nanoscience, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
| | - Kohki Fujikawa
- Department of Chemistry and Biochemistry, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
| | - Papapida Pornsuriyasak
- Department of Chemistry and Biochemistry, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
| | - Allan J. Alla
- Department of Chemistry and Biochemistry, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
- UM-St. Louis Center for Nanoscience, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
| | - N. Vijaya Ganesh
- Department of Chemistry and Biochemistry, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
| | - Alexei V. Demchenko
- Department of Chemistry and Biochemistry, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
| | - Keith J. Stine
- Department of Chemistry and Biochemistry, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
- UM-St. Louis Center for Nanoscience, University of Missouri – Saint Louis, Saint Louis, MO 63121, USA
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Podgornik A, Yamamoto S, Peterka M, Krajnc NL. Fast separation of large biomolecules using short monolithic columns. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 927:80-9. [DOI: 10.1016/j.jchromb.2013.02.004] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 02/01/2013] [Accepted: 02/04/2013] [Indexed: 10/27/2022]
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Guo CY, Wang HY, Liu XP, Fan LY, Zhang L, Cao CX. Fast and selective determination of total protein in milk powder via titration of moving reaction boundary electrophoresis. Electrophoresis 2013; 34:1343-51. [DOI: 10.1002/elps.201300007] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2012] [Revised: 02/18/2013] [Accepted: 02/18/2013] [Indexed: 11/07/2022]
Affiliation(s)
| | - Hou-yu Wang
- Laboratory of Bioseparation and Analytical Biochemistry; State Key Laboratory of Microbial Metabolism; School of Life Science and Biotechnology; Shanghai Jiao Tong University; Shanghai; China
| | - Xiao-Ping Liu
- Laboratory of Bioseparation and Analytical Biochemistry; State Key Laboratory of Microbial Metabolism; School of Life Science and Biotechnology; Shanghai Jiao Tong University; Shanghai; China
| | - Liu-yin Fan
- Laboratory of Bioseparation and Analytical Biochemistry; State Key Laboratory of Microbial Metabolism; School of Life Science and Biotechnology; Shanghai Jiao Tong University; Shanghai; China
| | - Lei Zhang
- School of Environment and Chemistry; Shanghai Normal University; Shanghai; China
| | - Cheng-xi Cao
- Laboratory of Bioseparation and Analytical Biochemistry; State Key Laboratory of Microbial Metabolism; School of Life Science and Biotechnology; Shanghai Jiao Tong University; Shanghai; China
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35
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Sim SL, He T, Tscheliessnig A, Mueller M, Tan RB, Jungbauer A. Branched polyethylene glycol for protein precipitation. Biotechnol Bioeng 2011; 109:736-46. [DOI: 10.1002/bit.24343] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2011] [Revised: 09/04/2011] [Accepted: 10/06/2011] [Indexed: 11/12/2022]
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36
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Sproß J, Sinz A. Monolithic media for applications in affinity chromatography. J Sep Sci 2011; 34:1958-73. [DOI: 10.1002/jssc.201100400] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2011] [Revised: 05/19/2011] [Accepted: 05/19/2011] [Indexed: 11/10/2022]
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37
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Gunasena DN, El Rassi Z. Hydrophilic diol monolith for the preparation of immuno-sorbents at reduced nonspecific interactions. J Sep Sci 2011; 34:2097-105. [PMID: 21721125 DOI: 10.1002/jssc.201100353] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2011] [Revised: 05/21/2011] [Accepted: 05/22/2011] [Indexed: 11/10/2022]
Abstract
A polar organic polymer monolith (M1) was introduced for performing immunoaffinity chromatography (IAC) at reduced nonspecific interactions. The M1 monolith was prepared by the in situ polymerization of glyceryl methacrylate (GMM) and pentaerythritol triacrylate (PETA). Through its surface diol groups, M1 provided the functionalities to immobilize antibodies. Anti-haptoglobin antibody was used as the model antibody to study the overall behavior of the immuno monolith M1 in terms of its binding to the antigen and to evaluate its nonspecific binding with other proteins, especially the high-abundance human serum proteins. To better assess the suitability of M1 for IAC, other immuno monoliths were prepared and compared with the immuno monolith M1. Two monoliths were of the traditional ones: copolymers of (i) glycidyl methacrylate and ethylene glycol dimethacrylate (EDMA) and (ii) GMM and EDMA, referred to as M2 and M3, respectively. A fourth monolith involving the copolymerization of N-(3-aminopropyl)methacrylamide hydrochloride and EDMA (M4) was introduced to allow the site-directed immobilization of antibodies. Owing to its hydroxyl groups, the M1 exhibited negligible nonspecific hydrophobic interactions with proteins. On the other hand, M4 exhibited extensive electrostatic interactions, while the M2 and to a lesser extent M3 exhibited hydrophobic interactions.
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Affiliation(s)
- Dilani N Gunasena
- Department of Chemistry, Oklahoma State University, Stillwater, OK, USA
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38
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Oriented immobilized anti-LDL antibody carrying poly(hydroxyethyl methacrylate) cryogel for cholesterol removal from human plasma. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2011. [DOI: 10.1016/j.msec.2011.03.008] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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39
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Arrua RD, Alvarez Igarzabal CI. Macroporous monolithic supports for affinity chromatography. J Sep Sci 2011; 34:1974-87. [DOI: 10.1002/jssc.201100197] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2011] [Revised: 03/28/2011] [Accepted: 03/28/2011] [Indexed: 01/21/2023]
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40
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Zhou M, Wang J, Ma Y, Fang Y, Chen J, Chen H. Selective determination of human immunoglobulin G by flow-injection chemiluminescence. LUMINESCENCE 2011; 26:142-7. [DOI: 10.1002/bio.1197] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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41
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Jiang Y, Li F, Button M, Cukan M, Moore R, Sharkey N, Li H. A high-throughput purification of monoclonal antibodies from glycoengineered Pichia pastoris. Protein Expr Purif 2010; 74:9-15. [DOI: 10.1016/j.pep.2010.04.016] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2010] [Revised: 04/26/2010] [Accepted: 04/26/2010] [Indexed: 10/19/2022]
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Abstract
Affinity chromatography on monolithic supports is a powerful analytical chemical platform because it allows for fast analyses, small sample volumes, strong enrichment of trace biomarkers and applications in microchips. In this review, the recent research using monolithic materials in the field of bioaffinity chromatography (including immunochromatography) is summarized and discussed. After giving an introduction into affinity chromatography, information on different biomolecules (antibodies, enzymes, lectins, aptamers) that can act as ligands in bioaffinity chromatography is presented. Subsequently, the history of monoliths, their advantages, preparation and formats (disks, capillaries and microchips) as well as ligand immobilization techniques are mentioned. Finally, analytical and preparative applications of bioaffinity chromatography on monoliths are presented. During the last four years 37 papers appeared. Protein A and G are still most often used as ligands for the enrichment of immunoglobulins. Antibodies and lectins remain popular for the analysis of mainly smaller molecules and saccharides, respectively. The highly porous cryogels modified with ligands are applied for the sorting of different cells or bacteria. New is the application of aptamers and phages as ligands on monoliths. Convective interaction media (epoxy CIM disks) are currently the most used format in monolithic bioaffinity chromatography.
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Affiliation(s)
- Kishore K R Tetala
- Laboratory of Organic Chemistry, Natural Products Chemistry Group, Wageningen University, Wageningen, The Netherlands.
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Two-dimensional fluorescence difference gel electrophoresis for comparison of affinity and non-affinity based downstream processing of recombinant monoclonal antibody. J Chromatogr A 2009; 1216:4902-12. [DOI: 10.1016/j.chroma.2009.04.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2009] [Revised: 03/31/2009] [Accepted: 04/03/2009] [Indexed: 11/21/2022]
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