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Wang Y, Zhou Y, Zhang D, Wang X, Liu S. Extension of hydrodynamic chromatography to DNA fragment sizing and quantitation. Heliyon 2021; 7:e07904. [PMID: 34522803 PMCID: PMC8427238 DOI: 10.1016/j.heliyon.2021.e07904] [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: 01/05/2021] [Revised: 03/12/2021] [Accepted: 08/27/2021] [Indexed: 01/10/2023] Open
Abstract
Hydrodynamic chromatography (HDC) is a technique originally developed for separating particles. We have recently extended it to DNA fragment sizing and quantitation. In this review, we focus on this extension. After we briefly introduce the history of HDC, we present the evolution of open tubular HDC for DNA fragment sizing. We cover both the theoretical aspect and the experimental implementation of this technique. We describe various approaches to execute the separation, discuss its representative applications and provide a future perspective of this technique in the conclusion section of this review.
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Affiliation(s)
- Yanan Wang
- Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry and Biology, Beijing University of Technology, Beijing 100124, PR China
| | - Yingyan Zhou
- Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry and Biology, Beijing University of Technology, Beijing 100124, PR China
| | - Dongtang Zhang
- Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry and Biology, Beijing University of Technology, Beijing 100124, PR China
| | - Xiayan Wang
- Center of Excellence for Environmental Safety and Biological Effects, Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry and Biology, Beijing University of Technology, Beijing 100124, PR China
| | - Shaorong Liu
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, OK, 73019, USA
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Multi-detector hydrodynamic chromatography of colloids: following in Hamish Small's footsteps. Heliyon 2021; 7:e06691. [PMID: 33997367 PMCID: PMC8102424 DOI: 10.1016/j.heliyon.2021.e06691] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/02/2021] [Accepted: 03/30/2021] [Indexed: 11/24/2022] Open
Abstract
Hamish Small, scientist extraordinaire, is best known as the inventor of both ion chromatography and hydrodynamic chromatography (HDC). The latter has experienced a renaissance during the last decade-plus, thanks principally to its coupling to a multiplicity of physicochemical detection methods and to the structural and compositional information this provides. Detection methods such as light scattering (both multi-angle static and dynamic), viscometry, and refractometry can combine to yield insight into macromolecular or colloidal size, structure, shape, and molar mass, all as a function of one another and continuously across a sample's chromatogram. It was the author's great fortune to have known Hamish during the last decade of his life, before his passing in 2019. Here, a brief personal recollection is followed by an introduction to HDC and its application, in quadruple-detector packed-column mode, to the analysis of a commercial colloidal silica with an elongated shape.
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Wahl A, Le Juge C, Davranche M, El Hadri H, Grassl B, Reynaud S, Gigault J. Nanoplastic occurrence in a soil amended with plastic debris. CHEMOSPHERE 2021; 262:127784. [PMID: 32777612 DOI: 10.1016/j.chemosphere.2020.127784] [Citation(s) in RCA: 116] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 07/16/2020] [Accepted: 07/21/2020] [Indexed: 05/13/2023]
Abstract
While several studies have investigated the potential impact of nanoplastics, proof of their occurrence in our global environment has not yet been demonstrated. In the present work, by developing an innovative analytical strategy, the presence of nanoplastics in soil was identified for the first time. Our results demonstrate the presence of nanoplastics with a size ranging from 20 to 150 nm and covering three of the most common plastic families: polyethylene, polystyrene and polyvinyl chloride. Given the amount of organic matter in the soil matrix, the discrimination and identification of large nanoplastic aggregates are challenging. However, we provided an innovative methodology to circumvent the organic matter impact on nanoplastic detection by coupling size fractionation to molecular analysis of plastics. While photodegradation has been considered the principal formation pathway of nanoplastics in the environment, this study provides evidence, for the first time, that plastic degradation and nanoplastic production can, however, occur in the soil matrix. Moreover, by providing an innovative and simple extraction/analysis method, this study paves the way to further studies, notably regarding nanoplastic environmental fate and impacts.
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Affiliation(s)
- Aurélie Wahl
- CNRS/ Univ. Rennes, Geosciences Rennes, UMR 6118, F35000, Rennes, France
| | - Corentin Le Juge
- CNRS/ Univ. Rennes, Geosciences Rennes, UMR 6118, F35000, Rennes, France
| | - Mélanie Davranche
- CNRS/ Univ. Rennes, Geosciences Rennes, UMR 6118, F35000, Rennes, France
| | - Hind El Hadri
- CNRS/ Univ Pau & Pays Adour/ E2S UPPA, Institut des Sciences Analytiques et de Physicochimie pour L'environnement et Les Matériaux, UMR 5254, 64000, Pau, France
| | - Bruno Grassl
- CNRS/ Univ Pau & Pays Adour/ E2S UPPA, Institut des Sciences Analytiques et de Physicochimie pour L'environnement et Les Matériaux, UMR 5254, 64000, Pau, France
| | - Stéphanie Reynaud
- CNRS/ Univ Pau & Pays Adour/ E2S UPPA, Institut des Sciences Analytiques et de Physicochimie pour L'environnement et Les Matériaux, UMR 5254, 64000, Pau, France
| | - Julien Gigault
- CNRS/ Univ. Rennes, Geosciences Rennes, UMR 6118, F35000, Rennes, France.
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Quantitative characterization of gold nanoparticles by size-exclusion and hydrodynamic chromatography, coupled to inductively coupled plasma mass spectrometry and quasi-elastic light scattering. J Chromatogr A 2017; 1511:59-67. [DOI: 10.1016/j.chroma.2017.06.064] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 06/21/2017] [Accepted: 06/23/2017] [Indexed: 12/13/2022]
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Pitkänen L, Striegel AM. Determining the core, corona, and total size of CdSeS/ZnS quantum dots by SEC/QELS and TEM. Anal Bioanal Chem 2016; 408:4003-10. [PMID: 27000562 DOI: 10.1007/s00216-016-9487-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 03/07/2016] [Accepted: 03/11/2016] [Indexed: 01/29/2023]
Abstract
The size (hydrodynamic or Stokes radius, R H) of non-functionalized CdSeS/ZnS (core/shell) quantum dots (QDs) was characterized by size-exclusion chromatography with on-line quasi-elastic light scattering (SEC/QELS). Accurate determination of the size of QDs is important, because many of the optical properties of these materials are size dependent. A clear advantage of SEC/QELS over many batch techniques (e.g., QELS without separation) is the capability of the hyphenated technique to characterize the entire size range of a disperse sample, rather than merely providing a statistical average of the sizes present. Here, the SEC/QELS-determined R H values of CdSeS/ZnS QDs are compared to those determined by a traditional SEC experiment employing a calibration curve based on polystyrene standards, providing for the first reported study on SEC/QELS of non-functionalized QDs while also demonstrating the shortcomings of the widely-employed calibration curve approach. Furthermore, combining the R H of the QDs obtained by SEC/QELS with core size measurements derived from transmission electron microscopy allowed further calculation of the size of the QDs' coronas. The latter result was found to be in close agreement to the previously measured dimension of the main corona constituent, as well as with the calculated size of this constituent.
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Affiliation(s)
- Leena Pitkänen
- Chemical Sciences Division, National Institute of Standards and Technology, 100 Bureau Drive, MS8392, Gaithersburg, MD, 20899, USA
| | - André M Striegel
- Chemical Sciences Division, National Institute of Standards and Technology, 100 Bureau Drive, MS8392, Gaithersburg, MD, 20899, USA.
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Pitkänen L, Striegel AM. Size-exclusion chromatography of metal nanoparticles and quantum dots. Trends Analyt Chem 2015; 80:311-320. [PMID: 27335508 DOI: 10.1016/j.trac.2015.06.013] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
This review presents an overview of size-exclusion chromatographic separation and characterization of noble metal nanoparticles (NPs) and quantum dots (QDs) over the past 25 years. The properties of NPs and QDs that originate from quantum and surface effects are size dependent; to investigate these properties, a separation technique such as size-exclusion chromatography (SEC) is often needed to obtain narrow distribution NP populations that are also separated from the unreacted starting materials. Information on the size distributions and optical properties of NPs have been obtained by coupling SEC to detection methods such as ultraviolet-visible and/or fluorescence spectroscopy. Problems associated with the sorption of NPs and QDs onto various SEC stationary phases, employing both aqueous and organic eluents, are also discussed here.
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Affiliation(s)
- Leena Pitkänen
- National Institute of Standards and Technology, Chemical Sciences Division, 100 Bureau Drive, MS 8392, Gaithersburg, MD 20899, USA
| | - André M Striegel
- National Institute of Standards and Technology, Chemical Sciences Division, 100 Bureau Drive, MS 8392, Gaithersburg, MD 20899, USA
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Striegel AM. There’s plenty of gloom at the bottom: the many challenges of accurate quantitation in size-based oligomeric separations. Anal Bioanal Chem 2013; 405:8959-67. [DOI: 10.1007/s00216-013-7198-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Revised: 06/21/2013] [Accepted: 07/01/2013] [Indexed: 11/30/2022]
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Helsper JPFG, Peters RJB, Brouwer L, Weigel S. Characterisation and quantification of liposome-type nanoparticles in a beverage matrix using hydrodynamic chromatography and MALDI–TOF mass spectrometry. Anal Bioanal Chem 2012. [DOI: 10.1007/s00216-012-6530-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Rowland SM, Striegel AM. Characterization of copolymers and blends by quintuple-detector size-exclusion chromatography. Anal Chem 2012; 84:4812-20. [PMID: 22591263 DOI: 10.1021/ac3003775] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The properties imparted, oftentimes synergistically, by the different components of copolymers and blends account for the widespread use of these in a variety of industrial products. Most often, however, processing and end-use of these materials (especially copolymers) is optimized empirically, due to a lack of understanding of the physicochemical phase-space occupied by the macromolecules. Here, this shortcoming is addressed via a quintuple-detector size-exclusion chromatography (SEC) method consisting of multiangle static light scattering (MALS), quasi-elastic light scattering (QELS), differential viscometry (VISC), ultraviolet absorption spectroscopy (UV), and differential refractometry (DRI) coupled online to the separation method. Applying the SEC/MALS/QELS/VISC/UV/DRI method to the study of a poly(acrylamide-co-N,N-dimethylacrylamide) copolymer in which both monomer functionalities absorb in the same region of the UV spectrum, we demonstrate how to determine the chemical heterogeneity, molar mass averages and distribution, and solution conformation of the copolymer all in a single analysis. Additionally, through the various mutually independent conformational and architectural metrics provided by combining the five detectors, including the fractal dimension (derived from two different detector combinations), two different dimensionless size parameters, the chemical heterogeneity, and the persistence length, it is shown that the monomeric arrangement is more alternating than random at lower molar masses, thus causing the copolymer to adopt a more extended conformation in solution in this molar mass (M) regime. At high M, however, the copolymer is shown to be and to behave more like a random coil homopolymer, after passing through a 250 kg mol(-1)-broad region of intermediate chain flexibility. Thus, the combination of five detectors provides a unique means by which to determine absolute properties of the copolymer, solution-specific physical behavior, and the underlying chemical basis of the latter. The quintuple-detector method was also extended to the study of blends of polyacrylamide and poly(N,N-dimethylacrylamide) homopolymers to quantitate their molar mass, solution conformation, and chemical heterogeneity and to shed light on the breadth of the distributions of the component species. The method presented should be applicable to the study of copolymers and blends in which either one or both component moieties or polymers absorb in the UV region and can be implemented using not only SEC but other size-based separation methods as well.
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Affiliation(s)
- Steven M Rowland
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, United States
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Striegel AM, Brewer AK. Hydrodynamic chromatography. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2012; 5:15-34. [PMID: 22708902 DOI: 10.1146/annurev-anchem-062011-143107] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Hydrodynamic chromatography (HDC) has experienced a resurgence in recent years for particle and polymer characterization, principally because of its coupling to a multiplicity of physical detection methods. When coupled to light scattering (both multiangle static and quasi-elastic), viscometric, and refractometric detectors, HDC can determine the molar mass, size, shape, and structure of colloidal analytes continuously and as a function of one another, all in a single analysis. In so doing, it exposes the analytes to less shear force (and, hence, less potential for flow-induced degradation) than in, for instance, size-exclusion chromatography. In this review, we discuss the fundamental chromatographic underpinnings of this technique in terms of retention, band broadening, and resolution, and we describe the power of multidetector HDC with examples from the recent literature.
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Affiliation(s)
- André M Striegel
- Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
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Striegel AM. Hydrodynamic chromatography: packed columns, multiple detectors, and microcapillaries. Anal Bioanal Chem 2011; 402:77-81. [DOI: 10.1007/s00216-011-5334-3] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2011] [Revised: 07/28/2011] [Accepted: 08/11/2011] [Indexed: 10/17/2022]
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Brewer AK, Striegel AM. Characterizing string-of-pearls colloidal silica by multidetector hydrodynamic chromatography and comparison to multidetector size-exclusion chromatography, off-line multiangle static light scattering, and transmission electron microscopy. Anal Chem 2011; 83:3068-75. [PMID: 21428298 DOI: 10.1021/ac103314c] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The string-of-pearls-type morphology is ubiquitous, manifesting itself variously in proteins, vesicles, bacteria, synthetic polymers, and biopolymers. Characterizing the size and shape of analytes with such morphology, however, presents a challenge, due chiefly to the ease with which the "strings" can be broken during chromatographic analysis or to the paucity of information obtained from the benchmark microscopy and off-line light scattering methods. Here, we address this challenge with multidetector hydrodynamic chromatography (HDC), which has the ability to determine, simultaneously, the size, shape, and compactness and their distributions of string-of-pearls samples. We present the quadruple-detector HDC analysis of colloidal string-of-pearls silica, employing static multiangle and quasielastic light scattering, differential viscometry, and differential refractometry as detection methods. The multidetector approach shows a sample that is broadly polydisperse in both molar mass and size, with strings ranging from two to five particles, but which also contains a high concentration of single, unattached "pearls". Synergistic combination of the various size parameters obtained from the multiplicity of detectors employed shows that the strings with higher degrees of polymerization have a shape similar to the theory-predicted shape of a Gaussian random coil chain of nonoverlapping beads, while the strings with lower degrees of polymerization have a prolate ellipsoidal shape. The HDC technique is contrasted experimentally with multidetector size-exclusion chromatography, where, even under extremely gentle conditions, the strings still degraded during analysis. Such degradation is shown to be absent in HDC, as evidenced by the fact that the molar mass and radius of gyration obtained by HDC with multiangle static light scattering detection (HDC/MALS) compare quite favorably to those determined by off-line MALS analysis under otherwise identical conditions. The multidetector HDC results were also comparable to those obtained by transmission electron microscopy (TEM). Unlike off-line MALS or TEM, however, multidetector HDC is able to provide complete particle analysis based on the molar mass, size, shape, and compactness and their distributions for the entire sample population in less than 20 min.
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Affiliation(s)
- Amandaa K Brewer
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, USA
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Brewer AK, Striegel AM. Characterizing the size, shape, and compactness of a polydisperse prolate ellipsoidal particle via quadruple-detector hydrodynamic chromatography. Analyst 2010; 136:515-9. [PMID: 21109889 DOI: 10.1039/c0an00738b] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A detailed quantitative description of particle size, shape, and their distributions is essential for understanding and optimization of the solid-, solution-, and melt-state properties of materials. Here, we employ quadruple-detector hydrodynamic chromatography (HDC) with multi-angle static light scattering, quasi-elastic light scattering, differential viscometry, and differential refractometry detection as a method for characterizing three important physical properties of materials, namely the molar mass, size, and shape of a polydisperse, non-spherical colloidal silica sample. These properties and their distributions were measured continuously across the HDC elution profile of the sample. By combining information from the various parameters determined, we were also able to obtain quantitative knowledge regarding the compactness or denseness of the sample. The applicability of multi-detector HDC to characterize polydisperse, non-spherical analytes was shown to be rapid, accurate, and precise. An advantage over traditional characterization methods is the ability of multi-detector HDC to determine particle size, shape, compactness, and their distributions simultaneously in a single analysis.
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Affiliation(s)
- Amandaa K Brewer
- Department of Chemistry & Biochemistry, Florida State University, Tallahassee, Florida 32306-4390, USA
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