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Wiedmer SK, Riekkola ML. Field-flow fractionation - an excellent tool for fractionation, isolation and/or purification of biomacromolecules. J Chromatogr A 2023; 1712:464492. [PMID: 37944435 DOI: 10.1016/j.chroma.2023.464492] [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: 10/17/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/12/2023]
Abstract
Field-flow fractionation (FFF) with its several variants, has developed into a mature methodology. The scope of the FFF investigations has expanded, covering both a wide range of basic studies and especially a wide range of analytical applications. Special attention of this review is given to the achievements of FFF with reference to recent applications in the fractionation, isolation, and purification of biomacromolecules, and from which especially those of (in alphabetical order) bacteria, cells, extracellular vesicles, liposomes, lipoproteins, nucleic acids, and viruses and virus-like particles. In evaluating the major approaches and trends demonstrated since 2012, the most significant biomacromolecule applications are compiled in tables. It is also evident that asymmetrical flow field-flow fractionation is by far the most dominant technique in the studies. The industry has also shown current interest in FFF and adopted it in some sophisticated fields. FFF, in combination with appropriate detectors, handles biomacromolecules in open channel in a gentle way due to the lack of shear forces and unwanted interactions caused by the stationary phase present in chromatography. In addition, in isolation and purification of biomacromolecules quite high yields can be achieved under optimal conditions.
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Affiliation(s)
- Susanne K Wiedmer
- Department of Chemistry, POB 55, 00014 University of Helsinki, Finland
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2
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Ventouri IK, Loeber S, Somsen GW, Schoenmakers PJ, Astefanei A. Field-flow fractionation for molecular-interaction studies of labile and complex systems: A critical review. Anal Chim Acta 2022; 1193:339396. [DOI: 10.1016/j.aca.2021.339396] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 11/11/2021] [Accepted: 12/22/2021] [Indexed: 12/11/2022]
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Eskelin K, Oksanen HM. Archaeal Viruses: Production of Virus Particles and Vesicle-like Viruses and Purification Using Asymmetrical Flow Field-Flow Fractionation. Methods Mol Biol 2022; 2522:449-465. [PMID: 36125770 DOI: 10.1007/978-1-0716-2445-6_31] [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: 06/15/2023]
Abstract
Asymmetrical flow field-flow fractionation (AF4) is a separation method based on hydrodynamic size of the sample components. It can separate a broad size range of components (~103 to 109 Da; particle diameter from ~1 nm to ~1 μm), but is especially well suited for high molecular weight samples such as virus-sized particles and extracellular vesicles. Separation takes place in an open channel where the flows control sample elution. Separation does not involve stationary phase, allowing gentle separation and good recoveries. The method is compatible with a wide variety of buffers. Coupling to various analytical detectors enables rapid assays on the molecular weight and size and their distribution, degradation, and aggregation of the sample components giving information on the sample quality. In addition to being an advanced analytical method, AF4 can be used in a semipreparative mode for purification. Here, we summarize archaeal virus production methods and virus purification by AF4 and provide examples on the steps that need optimization for obtaining good separation with the focus on halophilic archaeal viruses. Importantly, AF4 method is suitable for a variety of viruses and extracellular vesicles regardless of their host organism.
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Affiliation(s)
- Katri Eskelin
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Hanna M Oksanen
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland.
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Eskelin K, Oksanen HM, Poranen MM. Sample carryover and cleaning procedures for asymmetrical flow field-flow fractionation instrument. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1181:122920. [PMID: 34536834 DOI: 10.1016/j.jchromb.2021.122920] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/23/2021] [Accepted: 08/30/2021] [Indexed: 02/08/2023]
Abstract
Asymmetrical flow field-flow (AF4) fractionation aims in separation of sample components to yield elution of homogenous fractions identified as well-defined peaks in the chromatograms. Separation that occurs in matrix-free open channel potentiates high recovery that can be close to 100%. However, sample properties and separation conditions may induce carryover of sample components during AF4 analysis and in sample sequences. This compromises the quality of the data collected from the online detectors and the downstream offline analytics of the collected fractions. In this study, we followed sample carryover in AF4 using model viruses and analyzed various cleaning solutions and rinse methods to reduce carryover. We introduce an SDS-NaOH -based rinsing and decontamination protocol for the AF4 instrument enabling high-quality data collection.
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Affiliation(s)
- K Eskelin
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, Viikinkaari 9, University of Helsinki, FI-00014 Helsinki, Finland.
| | - H M Oksanen
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, Viikinkaari 9, University of Helsinki, FI-00014 Helsinki, Finland
| | - M M Poranen
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, Viikinkaari 9, University of Helsinki, FI-00014 Helsinki, Finland
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Plavchak CL, Smith WC, Bria CRM, Williams SKR. New Advances and Applications in Field-Flow Fractionation. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2021; 14:257-279. [PMID: 33770457 DOI: 10.1146/annurev-anchem-091520-052742] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Field-flow fractionation (FFF) is a family of techniques that was created especially for separating and characterizing macromolecules, nanoparticles, and micrometer-sized analytes. It is coming of age as new nanomaterials, polymers, composites, and biohybrids with remarkable properties are introduced and new analytical challenges arise due to synthesis heterogeneities and the motivation to correlate analyte properties with observed performance. Appreciation of the complexity of biological, pharmaceutical, and food systems and the need to monitor multiple components across many size scales have also contributed to FFF's growth. This review highlights recent advances in FFF capabilities, instrumentation, and applications that feature the unique characteristics of different FFF techniques in determining a variety of information, such as averages and distributions in size, composition, shape, architecture, and microstructure and in investigating transformations and function.
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Affiliation(s)
- Christine L Plavchak
- Laboratory for Advanced Separation Technologies, Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, USA;
| | - William C Smith
- Laboratory for Advanced Separation Technologies, Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, USA;
| | | | - S Kim Ratanathanawongs Williams
- Laboratory for Advanced Separation Technologies, Department of Chemistry, Colorado School of Mines, Golden, Colorado 80401, USA;
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Schwaferts C, Sogne V, Welz R, Meier F, Klein T, Niessner R, Elsner M, Ivleva NP. Nanoplastic Analysis by Online Coupling of Raman Microscopy and Field-Flow Fractionation Enabled by Optical Tweezers. Anal Chem 2020; 92:5813-5820. [PMID: 32073259 DOI: 10.1021/acs.analchem.9b05336] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Nanoplastic pollution is an emerging environmental concern, but current analytical approaches are facing limitations in this size range. However, the coupling of nanoparticle separation with chemical characterization bears potential to close this gap. Here, we realize the hyphenation of particle separation/characterization (field-flow fractionation (FFF), UV, and multiangle light scattering) with subsequent chemical identification by online Raman microspectroscopy (RM). The problem of low Raman scattering was overcome by trapping particles with 2D optical tweezers. This setup enabled RM to identify particles of different materials (polymers and inorganic) in the size range from 200 nm to 5 μm, with concentrations in the order of 1 mg/L (109 particles L-1). The hyphenation was realized for asymmetric flow FFF and centrifugal FFF, which separate particles on the basis of different properties. This technique shows potential for application in nanoplastic analysis, as well as many other fields of nanomaterial characterization.
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Affiliation(s)
- Christian Schwaferts
- Institute of Hydrochemistry, Chair of Analytical Chemistry and Water Chemistry, Technical University of Munich, Marchioninistr. 17, 81377 Munich, Germany
| | - Vanessa Sogne
- Postnova Analytics GmbH, Max-Planck-Str. 14, 86899 Landsberg, Germany
| | - Roland Welz
- Postnova Analytics GmbH, Max-Planck-Str. 14, 86899 Landsberg, Germany
| | - Florian Meier
- Postnova Analytics GmbH, Max-Planck-Str. 14, 86899 Landsberg, Germany
| | - Thorsten Klein
- Postnova Analytics GmbH, Max-Planck-Str. 14, 86899 Landsberg, Germany
| | - Reinhard Niessner
- Institute of Hydrochemistry, Chair of Analytical Chemistry and Water Chemistry, Technical University of Munich, Marchioninistr. 17, 81377 Munich, Germany
| | - Martin Elsner
- Institute of Hydrochemistry, Chair of Analytical Chemistry and Water Chemistry, Technical University of Munich, Marchioninistr. 17, 81377 Munich, Germany
| | - Natalia P Ivleva
- Institute of Hydrochemistry, Chair of Analytical Chemistry and Water Chemistry, Technical University of Munich, Marchioninistr. 17, 81377 Munich, Germany
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Asymmetrical Flow Field-Flow Fractionation on Virus and Virus-Like Particle Applications. Microorganisms 2019; 7:microorganisms7110555. [PMID: 31726671 PMCID: PMC6921026 DOI: 10.3390/microorganisms7110555] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 10/28/2019] [Accepted: 11/08/2019] [Indexed: 12/16/2022] Open
Abstract
Asymmetrical flow field-flow fractionation (AF4) separates sample components based on their sizes in the absence of a stationary phase. It is well suited for high molecular weight samples such as virus-sized particles. The AF4 experiment can potentially separate molecules within a broad size range (~103−109 Da; particle diameter from 2 nm to 0.5−1 μm). When coupled to light scattering detectors, it enables rapid assays on the size, size distribution, degradation, and aggregation of the studied particle populations. Thus, it can be used to study the quality of purified viruses and virus-like particles. In addition to being an advanced analytical characterization technique, AF4 can be used in a semi-preparative mode. Here, we summarize and provide examples on the steps that need optimization for obtaining good separation with the focus on virus-sized particles.
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