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Labuda J, Barek J, Gajdosechova Z, Goenaga-Infante H, Johnston LJ, Mester Z, Shtykov S. Analytical chemistry of engineered nanomaterials: Part 1. Scope, regulation, legislation, and metrology (IUPAC Technical Report). PURE APPL CHEM 2023. [DOI: 10.1515/pac-2021-1001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Abstract
Analytical chemistry is crucial for understanding the complex behavior observed for engineered nanomaterials (ENMs). A variety of analytical chemistry techniques and methodological approaches are used for isolation/purification and determination of the composition of pristine nanomaterials and for the detection, identification, and quantification of nanomaterials in nano-enabled consumer products and the complex matrices found in cosmetics, food, and environmental and biological samples. Adequate characterization of ENMs also requires physicochemical characterization of number of other properties, including size, shape, and structure. The requirement for assessment of a number of ENM properties frequently requires interdisciplinary approaches and multi-modal analysis methods. This technical report starts with an overview of ENMs definitions and classification, their properties, and analytical scenarios encountered with the analysis of both pristine nanomaterials and complex matrices containing different nanomaterials. An evaluation of the current status regarding nanomaterial identification and characterization for regulatory purposes and legislation, including emerging regulations and related scientific opinions, is provided. The technical report also presents a large and critical overview of the metrology of nanomaterials, including available reference materials and the development and validation of standardized methods that are currently available to address characterization and analysis challenges. The report focuses mainly on chemical analysis techniques and thus it is complementary to previous IUPAC technical reports focused on characterizing the physical parameters of ENMs and on nanotoxicology.
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Affiliation(s)
- Jan Labuda
- Institute of Analytical Chemistry , Slovak University of Technology in Bratislava , Bratislava , Slovakia
| | - Jiří Barek
- Department of Analytical Chemistry , Charles University in Prague , Prague , Czech Republic
| | | | | | | | - Zoltan Mester
- National Research Council Canada , Ottawa , ON K1A 0R6 , Canada
| | - Sergei Shtykov
- Institute of Chemistry , Saratov State University , Saratov , Russia
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Ramirez Arenas L, Ramseier Gentile S, Zimmermann S, Stoll S. Fate and removal efficiency of polystyrene nanoplastics in a pilot drinking water treatment plant. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 813:152623. [PMID: 34963580 DOI: 10.1016/j.scitotenv.2021.152623] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/17/2021] [Accepted: 12/19/2021] [Indexed: 05/21/2023]
Abstract
Occurrence of microplastics and nanoplastics in aquatic systems, as well as in water compartments used to produce drinking water have become a major concern due to their impact on the environment and public health. Nanoplastics in particular, in regard to their fate and removal efficiency in drinking water treatment plants (DWTP), which ensure water quality and supply drinking water for human consumption have been, by far, rarely investigated. This study investigates the removal efficiency of polystyrene (PS) nanoplastics in a conventional water treatment plant providing drinking water for 500'000 consumers. For that purpose, a pilot-scale DWTP, located within the main treatment plant station, reproducing at a reduced scale the different processes and conditions of the main treatment plant is used. The results show that filtration process through sand and granular activated carbon (GAC) filters in the absence of coagulation achieves an overall nanoplastic removal of 88.1%. The removal efficiency of filtration processes is mainly attributed to physical retention and adsorption mechanisms. On the other hand, it is found that coagulation process greatly improves the removal efficiency of nanoplastics with a global removal efficiency equal to 99.4%. The effective removal efficiency of sand filtration increases considerably from 54.3% to 99.2% in the presence of coagulant, indicating that most of PS nanoplastics are removed during sand filtration process. The higher removal efficiency with the addition of coagulant is related to nanoplastics surface charge reduction and aggregation thus significantly increasing their retention in the filter media.
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Affiliation(s)
- Lina Ramirez Arenas
- Group of Environmental Physical Chemistry, Department F.-A. Forel for environmental and aquatic sciences, University of Geneva, Uni Carl Vogt, 66, boulevard Carl-Vogt, CH-1211 Geneva 4, Switzerland.
| | | | - Stéphane Zimmermann
- SIG, Industrial Boards of Geneva, Ch. du Château-Bloch, Le Lignon, 1211 Genève 2, Switzerland
| | - Serge Stoll
- Group of Environmental Physical Chemistry, Department F.-A. Forel for environmental and aquatic sciences, University of Geneva, Uni Carl Vogt, 66, boulevard Carl-Vogt, CH-1211 Geneva 4, Switzerland.
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Lespes G, De Carsalade Du Pont V. Field-flow fractionation for nanoparticle characterization. J Sep Sci 2021; 45:347-368. [PMID: 34520628 DOI: 10.1002/jssc.202100595] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/07/2021] [Accepted: 09/08/2021] [Indexed: 02/05/2023]
Abstract
This review presents field-flow fractionation: The elements of theory enable the link between the retention and the characteristics of the nanometer-sized analytes to be highlighted. In particular, the nature of force and its way of being applied are discussed. Four types of forces which determine four types of techniques were considered: hydrodynamic, sedimentation, thermal, and electrical; this is to show the importance of the choice of technique in relation to the characterization objectives. Then the separation performance is presented and compared with other separation techniques: field-flow fractionation has the greatest intrinsic separation capability. The characterization strategies are presented and discussed; on the one hand with respect to the characteristics needed for the description of nanoparticles; on the other hand in connection with the choice of the nature of the force, and also of the detectors used, online or offline. The discussion is based on a selection of published study examples. Finally, current needs and challenges are addressed, and as response, trends and possible characterization solutions.
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Affiliation(s)
- Gaëtane Lespes
- Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les matériaux (IPREM UMR UPPA/CNRS), Université de Pau et des Pays de l'Adour (E2S/UPPA), Helioparc, 2 Avenue Angot, Pau Cedex 9, France
| | - Valentin De Carsalade Du Pont
- Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les matériaux (IPREM UMR UPPA/CNRS), Université de Pau et des Pays de l'Adour (E2S/UPPA), Helioparc, 2 Avenue Angot, Pau Cedex 9, France
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Li X, Liang S, Tan CH, Cao S, Xu X, Er Saw P, Tao W. Nanocarriers in the Enhancement of Therapeutic Efficacy of Natural Drugs. BIO INTEGRATION 2021. [DOI: 10.15212/bioi-2020-0040] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Abstract Since time immemorial, plant derived natural products have been used for the treatment of various human diseases before the intervention of modern medicine. The basis of modern medicine is still being inspired from traditional medicine and therapies. However, despite
their tremendous therapeutic potential, these natural drugs often have poor bioavailability, metabolic instability, and aqueous insolubility. These factors greatly impede a natural drug’s commercialization potential as a mainstream medicine. Therefore, the development of nanocarrier
drug delivery systems is indispensable in overcoming the various constraints of the bottlenecks which occur with natural drugs. Of particular interest in this review are four plant materials endogenous to China with the common names of barrenwort or horny goat weed (Epimedium), Shu
Di Huang (Rehmannia glutinosa, RG), ginseng (Panax ginseng), and Dong Quai or female ginseng (Angelica sinensis, AS), each having been scientifically investigated for a wide range of therapeutic uses as has been originally discovered from the long history of traditional
usage and anecdotal information by local population groups in Asia. The integration of natural drugs from the East and nanocarrier drug delivery systems developed from the West is paving the way towards further accurate and efficient medicine therapy. We further discuss the potential benefits
of these plants and the enhancement of their therapeutic efficacy by nanotechnology intervention.
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Affiliation(s)
- Xiuling Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Shunung Liang
- The First Clinical Medical School of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510004, China
| | - Chee Hwee Tan
- The First Clinical Medical School of Guangzhou University of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510004, China
| | - Shuwen Cao
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Xiaoding Xu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Phei Er Saw
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Medical Research Center, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou 510120, China
| | - Wei Tao
- Center for Nanomedicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
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Faucher S, Ivaneev AI, Fedotov PS, Lespes G. Characterization of volcanic ash nanoparticles and study of their fate in aqueous medium by asymmetric flow field-flow fractionation-multi-detection. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:31850-31860. [PMID: 33619622 DOI: 10.1007/s11356-021-12891-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 02/08/2021] [Indexed: 06/12/2023]
Abstract
Dimensional and elemental characterization of environmental nanoparticles is a challenging task that requires the use of a set of complementary analytical methods. Asymmetric flow field-flow fractionation coupled with UV-Vis, multi-angle laser light scattering and ICP-MS detection was applied to study the nanoparticle fraction of a volcanic ash sample, in a Milli-Q water suspension at pH 6.8. It has been shown that the separated by sedimentation nanoparticle fraction of the Klyuchevskoy volcano ash suspension contains 3 polydisperse populations for which size ranges (expressed in gyration radius, rG), hydrodynamic behaviours (evaluated via shape index) and elemental compositions are different. These 3 populations did not dissolve over the 72-h study but aggregated and settled out differently. Thus, the population of particles with gyration radii <140 nm (P1), which contained 6% Al2O3 and represented approximately 20% by mass of the nanoparticle fraction, remained in suspension without observable aggregation. The populations P2 and P3, which represented 67% and 13% by mass in the initial suspension, covered the rG range 25-250 nm and contained 17% and 15% Al2O3, respectively. Over time, populations P2 and P3 aggregated and their concentration in suspension at 72 h decreased by approximately 40% compared with the initial suspension. The decrease of these nanoparticle populations occurred either from the beginning of the temporal monitoring (P2) or after 30 h (P3). Aggregation generated a new population (P4) in suspension with rG up to 300 nm and mostly consisting of P2. This population represented only up to 6 to 7% of the nanoparticle fraction and decreased beyond 50 h. As a result, the trace elements present in the nanoparticle fraction and monitored (Cu and La) were also no longer found in the suspension. The results obtained can offer additional insights into the fate of volcanic ash nanoparticles in the environment.
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Affiliation(s)
- Stéphane Faucher
- IUniversité de Pau et des Pays de l'Adour/E2S UPPA, CNRS, Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM), UMR 5254, Helioparc, 2 Avenue Pierre Angot, 64053, Pau Cedex, 9, France.
| | - Alexandr I Ivaneev
- IUniversité de Pau et des Pays de l'Adour/E2S UPPA, CNRS, Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM), UMR 5254, Helioparc, 2 Avenue Pierre Angot, 64053, Pau Cedex, 9, France
- National University of Science and Technology 'MISIS', Moscow, 119049, Russia
| | - Petr S Fedotov
- National University of Science and Technology 'MISIS', Moscow, 119049, Russia
- Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, Moscow, 119991, Russia
| | - Gaëtane Lespes
- IUniversité de Pau et des Pays de l'Adour/E2S UPPA, CNRS, Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM), UMR 5254, Helioparc, 2 Avenue Pierre Angot, 64053, Pau Cedex, 9, France.
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Ivaneev AI, Ermolin MS, Fedotov PS. Separation, Characterization, and Analysis of Environmental Nano- and Microparticles: State-of-the-Art Methods and Approaches. JOURNAL OF ANALYTICAL CHEMISTRY 2021. [DOI: 10.1134/s1061934821040055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Yang T, Duncan TV. Challenges and potential solutions for nanosensors intended for use with foods. NATURE NANOTECHNOLOGY 2021; 16:251-265. [PMID: 33712739 DOI: 10.1038/s41565-021-00867-7] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
Nanotechnology-adapted detection technologies could improve the safety and quality of foods, provide new methods to combat fraud and be useful tools in our arsenal against bioterrorism. Yet despite hundreds of published studies on nanosensors each year targeted to the food and agriculture space, there are few nanosensors on the market in this area and almost no nanotechnology-enabled methods employed by public health agencies for food analysis. This Review shows that the field is currently being held back by technical, regulatory, political, legal, economic, environmental health and safety, and ethical challenges. We explore these challenges in detail and provide suggestions about how they may be surmounted. Strategies that may have particular effectiveness include improving funding opportunities and publication venues for nanosensor validation, social science and patent landscape studies; prioritizing research and development of nanosensors that are specifically designed for rapid analysis in non-laboratory settings; and incorporating platform cost and adaptability into early design decisions.
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Affiliation(s)
- Tianxi Yang
- Center for Food Safety and Applied Nutrition, United States Food and Drug Administration, Bedford Park, IL, USA
| | - Timothy V Duncan
- Center for Food Safety and Applied Nutrition, United States Food and Drug Administration, Bedford Park, IL, USA.
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Saydé T, El Hamoui O, Alies B, Gaudin K, Lespes G, Battu S. Biomaterials for Three-Dimensional Cell Culture: From Applications in Oncology to Nanotechnology. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:481. [PMID: 33668665 PMCID: PMC7917665 DOI: 10.3390/nano11020481] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/08/2021] [Accepted: 02/09/2021] [Indexed: 02/07/2023]
Abstract
Three-dimensional cell culture has revolutionized cellular biology research and opened the door to novel discoveries in terms of cellular behavior and response to microenvironment stimuli. Different types of 3D culture exist today, including hydrogel scaffold-based models, which possess a complex structure mimicking the extracellular matrix. These hydrogels can be made of polymers (natural or synthetic) or low-molecular weight gelators that, via the supramolecular assembly of molecules, allow the production of a reproducible hydrogel with tunable mechanical properties. When cancer cells are grown in this type of hydrogel, they develop into multicellular tumor spheroids (MCTS). Three-dimensional (3D) cancer culture combined with a complex microenvironment that consists of a platform to study tumor development and also to assess the toxicity of physico-chemical entities such as ions, molecules or particles. With the emergence of nanoparticles of different origins and natures, implementing a reproducible in vitro model that consists of a bio-indicator for nano-toxicity assays is inevitable. However, the maneuver process of such a bio-indicator requires the implementation of a repeatable system that undergoes an exhaustive follow-up. Hence, the biggest challenge in this matter is the reproducibility of the MCTS and the associated full-scale characterization of this system's components.
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Affiliation(s)
- Tarek Saydé
- EA3842-CAPTuR, GEIST, Faculté de Médecine, Université de Limoges, 2 rue du Dr Marcland, 87025 Limoges, France;
- ARNA, INSERM U1212, UMR CNRS 5320, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; (O.E.H.); (B.A.); (K.G.)
| | - Omar El Hamoui
- ARNA, INSERM U1212, UMR CNRS 5320, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; (O.E.H.); (B.A.); (K.G.)
- CNRS, Institut des Sciences Analytiques et de Physico-Chimie pour l’Environnement et les Matériaux (IPREM), UMR 5254, Université de Pau et des Pays de l’Adour (E2S/UPPA), 2 Avenue Pierre Angot, 64053 Pau, France
| | - Bruno Alies
- ARNA, INSERM U1212, UMR CNRS 5320, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; (O.E.H.); (B.A.); (K.G.)
| | - Karen Gaudin
- ARNA, INSERM U1212, UMR CNRS 5320, Université de Bordeaux, 146 rue Léo Saignat, 33076 Bordeaux, France; (O.E.H.); (B.A.); (K.G.)
| | - Gaëtane Lespes
- CNRS, Institut des Sciences Analytiques et de Physico-Chimie pour l’Environnement et les Matériaux (IPREM), UMR 5254, Université de Pau et des Pays de l’Adour (E2S/UPPA), 2 Avenue Pierre Angot, 64053 Pau, France
| | - Serge Battu
- EA3842-CAPTuR, GEIST, Faculté de Médecine, Université de Limoges, 2 rue du Dr Marcland, 87025 Limoges, France;
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Centrifugal ultrafiltration preconcentration for studying the colloidal phase of a uranium-containing soil suspension. J Chromatogr A 2021; 1640:461957. [PMID: 33582516 DOI: 10.1016/j.chroma.2021.461957] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 01/24/2021] [Accepted: 01/29/2021] [Indexed: 11/22/2022]
Abstract
The objective of this work was to explore centrifugal ultrafiltration (UF) to separate and / or preconcentrate natural colloidal particles for their characterization. A soil suspension obtained by batch leaching was used as a laboratory reference sample. It was preconcentrated with concentration factors (CF) varying from 10 to 450. The dimensional analysis of the colloidal phase was carried out by Asymmetric Flow Field-Flow Fractionation (AF4)-multidetection. The colloidal masses were estimated by mass balance of the initial suspension, its concentrates and filtrates. The size-dependent distribution (expressed in gyration radius) and total colloidal mass (especially recovery), as well as chemical composition and concentration (including species partitioning between dissolved and colloidal phases) were determined to assess the effects of UF preconcentration on colloidal particles. The gyration radius of the colloidal particles recovered in these concentrated suspensions ranged from about 20 nm to over 150 nm. Neither de-agglomeration nor agglomeration was observed. However, only (64 ± 4) % (CF = 10) of the colloidal particles initially in the soil suspension were found in the recovered concentrated suspensions, and this percentage decreased as CF increased. The filter membrane trapped all other particles, mainly the larger ones. Whatever the CF, the centrifugal UF did not appear to change the dissolved-colloidal partitioning of certain species (Al, organic carbon); whereas it led to an enrichment of the colloidal phase for others (Fe, U). The enrichment rate was specific to each species (15% for Fe; 100% for U). By fitting the observed trends (i.e. conservation, depletion or enrichment of the colloidal phase in the concentrate) as a function of CF, the colloidal concentrations (total and species) were assessed without bias. This methodology offers a new perspective for determining physicochemical speciation in natural waters, with a methodology applicable for environmental survey or site remediation studies.
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Capabilities of asymmetrical flow field – Flow fractionation on-line coupled to different detectors for characterization of water-stabilized quantum dots bioconjugated to biomolecules. Talanta 2020; 206:120228. [DOI: 10.1016/j.talanta.2019.120228] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 08/01/2019] [Accepted: 08/04/2019] [Indexed: 12/12/2022]
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Harguindeguy S, Crançon P, Potin Gautier M, Pointurier F, Lespes G. Colloidal mobilization from soil and transport of uranium in (sub)-surface waters. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:5294-5304. [PMID: 29998447 DOI: 10.1007/s11356-018-2732-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Accepted: 07/05/2018] [Indexed: 05/13/2023]
Abstract
An analytical methodology was developed to characterize the colloidal distribution of trace elements of interest in environmental waters sampled in a same site and enables the different colloidal distributions from waters to be compared. The purpose was to provide consistent information related to the origin and nature of colloids responsible for the transport of trace element(s). The work was motivated by the observed enhanced mobility of uranium in soil. The colloidal size continuum was investigated by a multi-technique approach involving asymmetric flow field-flow fractionation (AF4) coupled with ultraviolet spectroscopy (UV), multi angle light scattering (MALS), and atomic mass spectrometry (ICPMS). To take into consideration the size and shape variability specific to each sample, the size distributions were established from the gyration radii measured from MALS, also considering the size information from standard nanospheres fractionated by AF4. A new parameter called "shape index" was proposed. It expresses the difference in hydrodynamic behavior between analytes and spherical particles taken as reference. Under AF4 diffusion conditions, it can be considered as an evaluator of the deviation from the sphericity of the fractionated analytes. AF4-UV-MALS-ICPMS enabled the dimensional and chemical characteristics of the colloidal size continuum to be obtained. As a "proof of concept", the developed methodology was applied at a field scale, in a reference study site. In order to have a "dynamic understanding", the investigation was based on the joint characterization of colloids from surface waters and soil leachates from static and dynamic processes. In the water samples of the study site, the continuum of gyration radius ranged from a few nanometers up to 200 nm. Colloids containing iron, aluminum, and organic carbon were involved in the uranium transport in the soil column and surface waters. The colloidal uranium concentration in the surface water increased from the upstream location (approximately 13 ng (U) L-1) to the downstream location (approximately 60 ng (U) L-1).
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Affiliation(s)
- Stéphanie Harguindeguy
- Université de Pau et des Pays de l'Adour (UPPA), Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM), UMR 5254 UPPA-CNRS, Hélioparc, 2 Avenue Angot, 64000, Pau, France
- CEA, DAM, DIF, 91297, Arpajon, France
| | | | - Martine Potin Gautier
- Université de Pau et des Pays de l'Adour (UPPA), Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM), UMR 5254 UPPA-CNRS, Hélioparc, 2 Avenue Angot, 64000, Pau, France
| | | | - Gaëtane Lespes
- Université de Pau et des Pays de l'Adour (UPPA), Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM), UMR 5254 UPPA-CNRS, Hélioparc, 2 Avenue Angot, 64000, Pau, France.
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