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Lapo B, Pavón S, Hoyo J, Fortuny A, Scapan P, Bertau M, Sastre AM. Bioderived Pickering Emulsion Based on Chitosan/Trialkyl Phosphine Oxides Applied to Selective Recovery of Rare Earth Elements. ACS APPLIED MATERIALS & INTERFACES 2023; 15:59731-59745. [PMID: 38091526 PMCID: PMC10802976 DOI: 10.1021/acsami.3c10233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 11/23/2023] [Accepted: 11/27/2023] [Indexed: 12/28/2023]
Abstract
A novel biobased pickering emulsion (PE) material was prepared by the encapsulation of Cyanex 923 (Cy923) into chitosan (CS) to selectively recover rare earth elements (REEs) from the aqueous phase. The preparation of PE was optimized through sequentially applying a 23 full factorial design, followed by a 33 Box-Behnken design varying the Cy923 content, CS concentration, and pH of CS. The material was characterized by Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), optical microscopy, rheological, compositional, and stability measurements. The resultant material was evaluated in the removal of yttrium by pH influence, nitrate concentration, kinetics, equilibrium isotherms, reusability, and a comparison with liquid-liquid (L-L) extraction and tested in a real scenario to extract Y from a fluorescent lamp powder waste. In addition, the selectivity of PE for REE was investigated with Y/Ca, Gd/Ca, and La/Ni systems. PE extracts REE at 1 ≤ pH ≤ 5 at nitrate concentrations up to 2 mol/L. The kinetics and equilibrium studies showed reaction times <5 min and a maximum sorption capacity of 89.98 mg/g. Compared with L-L extraction, PE consumed 48% less Cy923 without using organic diluents. PE showed a remarkable selectivity for REE in the systems evaluated, showing separation factors of 22.62, 9.35, and 504.64 for the blends Y/Ca, Gd/Ca/Mg, and La/Ni, respectively. PE showed excellent selectivity extracting Y from a real aqueous liquor from the fluorescent lamp powder. PE demonstrates to be an effective and sustainable alternative for REE recovering due to its excellent efficiency in harsh conditions, favorable green chemistry metrics, and use of a biopolymer material in its composition avoiding the use of organic solvents used in L-L extraction.
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Affiliation(s)
- Byron Lapo
- Department
of Chemical Engineering, Universitat Politècnica
de Catalunya, EPSEVG, Av. Víctor Balaguer 01, 08800 Vilanova i la Geltrú, Spain
- School
of Chemical Engineering, Technical University
of Machala, UACQS, BIOeng, 070151 Machala, Ecuador
- Institute
of Chemical Technology, TU Bergakademie
Freiberg, Leipziger Straße
29, Freiberg 09599, Germany
| | - Sandra Pavón
- Institute
of Chemical Technology, TU Bergakademie
Freiberg, Leipziger Straße
29, Freiberg 09599, Germany
- Fraunhofer
Institute for Ceramic Technologies and Systems IKTS; Fraunhofer Technology Center for High-Performance Materials THM, Am St.-Niclas-Schacht 13, 09599 Freiberg, Germany
| | - Javier Hoyo
- Department
of Physical-Chemistry, Universitat de Barcelona, 08028 Barcelona, Spain
| | - Agustín Fortuny
- Department
of Chemical Engineering, Universitat Politècnica
de Catalunya, EPSEVG, Av. Víctor Balaguer 01, 08800 Vilanova i la Geltrú, Spain
| | - Paul Scapan
- Institute
of Chemical Technology, TU Bergakademie
Freiberg, Leipziger Straße
29, Freiberg 09599, Germany
| | - Martin Bertau
- Institute
of Chemical Technology, TU Bergakademie
Freiberg, Leipziger Straße
29, Freiberg 09599, Germany
- Fraunhofer
Institute for Ceramic Technologies and Systems IKTS; Fraunhofer Technology Center for High-Performance Materials THM, Am St.-Niclas-Schacht 13, 09599 Freiberg, Germany
| | - Ana María Sastre
- Department
of Chemical Engineering, Universitat Politècnica
de Catalunya, ETSEIB,
Diagonal 647, 08028 Barcelona, Spain
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Zhou Y, Wang P, Wan F, Zhu L, Wang Z, Fan G, Wang P, Luo H, Liao S, Yang Y, Chen S, Zhang J. Further Improvement Based on Traditional Nanocapsule Preparation Methods: A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:3125. [PMID: 38133022 PMCID: PMC10745493 DOI: 10.3390/nano13243125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 12/07/2023] [Accepted: 12/10/2023] [Indexed: 12/23/2023]
Abstract
Nanocapsule preparation technology, as an emerging technology with great development prospects, has uniqueness and superiority in various industries. In this paper, the preparation technology of nanocapsules was systematically divided into three categories: physical methods, chemical methods, and physicochemical methods. The technological innovation of different methods in recent years was reviewed, and the mechanisms of nanocapsules prepared via emulsion polymerization, interface polymerization, layer-by-layer self-assembly technology, nanoprecipitation, supercritical fluid, and nano spray drying was summarized in detail. Different from previous reviews, the renewal iteration of core-shell structural materials was highlighted, and relevant illustrations of their representative and latest research results were reviewed. With the continuous progress of nanocapsule technology, especially the continuous development of new wall materials and catalysts, new preparation technology, and new production equipment, nanocapsule technology will be used more widely in medicine, food, cosmetics, pesticides, petroleum products, and many other fields.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Shangxing Chen
- National Forestry and Grassland Bureau Woody Spice (East China) Engineering Technology Research Center, The Institute of Plant Natural Products and Forest Products Chemical Engineering, College of Forestry, Jiangxi Agricultural University, Nanchang 330045, China; (Y.Z.); (P.W.); (F.W.); (L.Z.); (Z.W.); (G.F.); (P.W.); (H.L.); (S.L.); (Y.Y.)
| | - Ji Zhang
- National Forestry and Grassland Bureau Woody Spice (East China) Engineering Technology Research Center, The Institute of Plant Natural Products and Forest Products Chemical Engineering, College of Forestry, Jiangxi Agricultural University, Nanchang 330045, China; (Y.Z.); (P.W.); (F.W.); (L.Z.); (Z.W.); (G.F.); (P.W.); (H.L.); (S.L.); (Y.Y.)
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Hussain Solangi N, Hussin F, Anjum A, Sabzoi N, Ali Mazari S, Mubarak N, Kheireddine Aroua M, Siddiqui M, Saeed Qureshi S. A review of encapsulated ionic liquids for CO2 capture. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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4
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Edgehouse K, Starvaggi N, Rosenfeld N, Bergbreiter D, Pentzer E. Impact of Shell Composition on Dye Uptake by Capsules of Ionic Liquid. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:13849-13856. [PMID: 36315518 DOI: 10.1021/acs.langmuir.2c02015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Encapsulation of ionic liquids (ILs) has been shown to be an effective technique to overcome slow mass transfer rates and handling difficulties that stem from the high viscosity of bulk ILs. These systems commonly rely on diffusion of small molecules through the encapsulating material (shell), into the IL core, and thus the composition of the shell impacts uptake performance. Herein, we report the impact of polymer shell composition on the uptake of the small molecule dye methyl red from water by encapsulated IL. Capsules with core of 1-hexyl-3-methylimidazolium bis(trifluorosulfonyl)imide ([Hmim][TFSI]) were prepared by interfacial polymerization in emulsions stabilized by graphene oxide (GO) nanosheets; the use of different diamines and diisocyanates gave capsule shells with polyureas that were all aliphatic, aliphatic/aromatic, and aliphatic/polar aprotic. These capsules were then added to aqueous solutions of methyl red at different pH values, and migration of the dye into the capsules was monitored by UV-vis spectroscopy, compared to the capsule shell alone. Regardless of the polymer identity, similar extents of dye uptake were observed (>90% at pH = 2), yet capsules with shells containing polyureas with polar aprotic linkages took longer to reach completion. These studies indicate that small changes in capsule shell composition can lead to different performance in small molecule uptake, giving insight into how to tailor shell composition for specific applications, such as solvent remediation and gas uptake.
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Affiliation(s)
- Katelynn Edgehouse
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Nicholas Starvaggi
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Neil Rosenfeld
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - David Bergbreiter
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - Emily Pentzer
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
- Department of Materials Science and Engineering, Texas A&M University, College Station, Texas 77843, United States
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Ionic liquids filled hybrid capsules by harnessing interfacial imine chemistry of Janus nanosheets stabilized pickering emulsion for removal of chlorophenols. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.119834] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Yan J, Mangolini F. Engineering encapsulated ionic liquids for next-generation applications. RSC Adv 2021; 11:36273-36288. [PMID: 35492767 PMCID: PMC9043619 DOI: 10.1039/d1ra05034f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 10/21/2021] [Indexed: 01/02/2023] Open
Abstract
Ionic liquids (ILs) have attracted considerable attention in several sectors (from energy storage to catalysis, from drug delivery to separation media) owing to their attractive properties, such as high thermal stability, wide electrochemical window, and high ionic conductivity. However, their high viscosity and surface tension compared to conventional organic solvents can lead to unfavorable transport properties. To circumvent undesired kinetics effects limiting mass transfer, the discretization of ILs into small droplets has been proposed as a method to increase the effective surface area and the rates of mass transfer. In the present review paper, we summarize the different methods developed so far for encapsulating ILs in organic or inorganic shells and highlight characteristic features of each approach, while outlining potential applications. The remarkable tunability of ILs, which derives from the high number of anions and cations currently available as well as their permutations, combines with the possibility of tailoring the composition, size, dispersity, and properties (e.g., mechanical, transport) of the shell to provide a toolbox for rationally designing encapsulated ILs for next-generation applications, including carbon capture, energy storage devices, waste handling, and microreactors. We conclude this review with an outlook on potential applications that could benefit from the possibility of encapsulating ILs in organic and inorganic shells. Encapsulated ionic liquids (ILs) are candidate materials for several applications owing to the attractive properties of ILs combined with the enhanced mass transfer rate obtained through the discretization of ILs in small capsules.![]()
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Affiliation(s)
- Jieming Yan
- Texas Materials Institute, The University of Texas at Austin Austin TX 78712 USA.,Materials Science and Engineering Program, The University of Texas at Austin Austin TX 78712 USA
| | - Filippo Mangolini
- Texas Materials Institute, The University of Texas at Austin Austin TX 78712 USA.,Walker Department of Mechanical Engineering, The University of Texas at Austin Austin TX 78712 USA
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Zhang Z, Liu F, Lin Y. ZnO@PNIPAM nanospheres synthesis from inverse Pickering miniemulsion polymerization. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125264] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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8
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Khazalpour S, Yarie M, Kianpour E, Amani A, Asadabadi S, Seyf JY, Rezaeivala M, Azizian S, Zolfigol MA. Applications of phosphonium-based ionic liquids in chemical processes. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s13738-020-01901-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Luo Q, Pentzer E. Encapsulation of Ionic Liquids for Tailored Applications. ACS APPLIED MATERIALS & INTERFACES 2020; 12:5169-5176. [PMID: 31721558 DOI: 10.1021/acsami.9b16546] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
This spotlight article highlights the favorable impact encapsulation of ionic liquids (ILs) has on multiple advanced applications. ILs are molten salts with many attractive properties such as negligible vapor pressure, good thermal stability, and high ionic conductivity; however, their widespread implementation in advanced applications is hampered by their relatively high viscosity, which makes them difficult to handle and results in slow mass transfer rates. The ability to encapsulate IL in a shell holds potential to impact many applications, including separations, gas sequestration, and energy storage and management, given that the capsule structure provides high surface area compared to that of bulk IL and also allows handling of the IL as a solid. Herein, we discuss encapsulation of ILs using different approaches and highlight the contributions from our lab in both capsule preparation and application. Specifically, we have developed the ability to use 2D carbon nanoparticle surfactants and interfacial polymerization to prepare capsules of IL using both IL-in-water and IL-in-oil Pickering emulsions as templates. This facile, one-step method to encapsulate ILs gives structures with beneficial performance in supercapacitors, separations, and CO2 sequestration, as discussed herein. We conclude this spotlight with an outlook on how to improve upon these systems for next-generation applications.
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Affiliation(s)
- Qinmo Luo
- Department of Chemistry , Case Western Reserve University , Cleveland , Ohio 44106 , United States
| | - Emily Pentzer
- Department of Chemistry, Department of Materials Science and Engineering , Texas A&M University , College Station , Texas 77840 , United States
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Huang Q, Luo Q, Wang Y, Pentzer E, Gurkan B. Hybrid Ionic Liquid Capsules for Rapid CO 2 Capture. Ind Eng Chem Res 2019; 58:10503-10509. [PMID: 33505108 DOI: 10.1021/acs.iecr.9b00314] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The CO2 absorption by ionic liquids (ILs) were enhanced by the use of hybrid capsules composed of a core of IL and shell of polyurea and alkylated graphene oxide (GO). These composite structures were synthesized using a Pickering emulsion as a template and capsules of two different ILs were prepared. The contribution of the encapsulated IL on the CO2 absorption of the capsules is consistent with agitated neat IL, but with improved kinetics of absorption across different pressures. This novel materials design allows for CO2 to be absorbed significantly faster compared to bulk IL and provides insight into improved carbon capture technologies.
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Affiliation(s)
- Qianwen Huang
- Department of Chemical Engineering Biomolecular Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
| | - Qinmo Luo
- Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
| | - Yifei Wang
- Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
| | - Emily Pentzer
- Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
| | - Burcu Gurkan
- Department of Chemical Engineering Biomolecular Engineering, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States
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11
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Luo Q, Wang Y, Chen Z, Wei P, Yoo E, Pentzer E. Pickering Emulsion-Templated Encapsulation of Ionic Liquids for Contaminant Removal. ACS APPLIED MATERIALS & INTERFACES 2019; 11:9612-9620. [PMID: 30741531 DOI: 10.1021/acsami.8b21881] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Ionic liquids (ILs) have received attention for a diverse range of applications, but their liquid nature can make them difficult to handle and process and their high viscosities can lead to suboptimal performance. As such, encapsulated ILs are attractive for their ease of handling and high surface area and have potential for improved performance in energy storage, gas uptake, extractions, and so forth. Herein, we report a facile method to encapsulate a variety of ILs using Pickering emulsions as templates, graphene oxide (GO)-based nanosheets as particle surfactants, and interfacial polymerization for stabilization. The capsules contain up to 80% IL in the core, and the capsule shells are composed of polyurea and GO. We illustrate that capsules can be prepared from IL-in-water or IL-in-oil emulsions and explore the impact of monomer and IL identity, thereby accessing different compositions. The spherical, discrete capsules are characterized by optical microscopy, scanning electron microscopy, infrared spectroscopy, Raman spectroscopy, thermogravimetric analysis, and 1H NMR spectroscopy. We illustrate the application of these IL capsules as a column material to remove phenol from oil, demonstrating ≥98% phenol removal after passage of >170 column volumes. This simple method to prepare capsules of IL will find widespread use across diverse applications.
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Affiliation(s)
- Qinmo Luo
- Department of Chemistry , Case Western Reserve University , 10900 Euclid Avenue Cleveland , Ohio 44106 , United States
| | - Yifei Wang
- Department of Chemistry , Case Western Reserve University , 10900 Euclid Avenue Cleveland , Ohio 44106 , United States
| | - Zehao Chen
- Department of Chemistry , Case Western Reserve University , 10900 Euclid Avenue Cleveland , Ohio 44106 , United States
| | - Peiran Wei
- Department of Chemistry , Case Western Reserve University , 10900 Euclid Avenue Cleveland , Ohio 44106 , United States
| | - Esther Yoo
- Department of Chemistry , Case Western Reserve University , 10900 Euclid Avenue Cleveland , Ohio 44106 , United States
| | - Emily Pentzer
- Department of Chemistry , Case Western Reserve University , 10900 Euclid Avenue Cleveland , Ohio 44106 , United States
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12
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Han L, Zhan H, Sun X, Zhang ZR, Deng L. A Density-Changing Centrifugation Method for Efficient Separation of Free Drugs from Drug-Loaded Particulate Delivery Systems. AAPS JOURNAL 2019; 21:33. [DOI: 10.1208/s12248-019-0306-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 02/08/2019] [Indexed: 12/13/2022]
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13
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Elizarova IS, Luckham PF. Layer-by-layer adsorption: Factors affecting the choice of substrates and polymers. Adv Colloid Interface Sci 2018; 262:1-20. [PMID: 30448237 DOI: 10.1016/j.cis.2018.11.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 11/04/2018] [Accepted: 11/06/2018] [Indexed: 01/10/2023]
Abstract
The electrostatic layer-by-layer technique for fabrication of multi-layered structures of various sizes and shapes using flat and colloidal templates coupled with polyelectrolyte layer-forming materials has attracted significant interest among both academic and industrial researchers due to its versatility and relative simplicity of the procedures involved in its execution. Fabrication of the multi-layered structures using the electrostatic layer-by-layer method involves several distinct stages each of which holds great importance when considering the production of a high-quality product. These stages include selection of materials (both template and a pair of construction polyelectrolytes), adsorption of the first polyelectrolyte layer onto the selected templates, formation of the second layer comprised of the oppositely charged polyelectrolyte and guided by the interactions between the two chosen polyelectrolytes, and multi-layering, where a selected number of layers are produced, and which is conditioned by both intrinsic properties of the involved construction materials and external fabrication conditions such as temperature, pH and ionic strength. The current review summarises the most important aspects of each stage mentioned above and gives examples of the materials suitable for utilization of the technique and describes the underlying physics involved.
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Liu W, Quan J. Prediction of Dispersive Liquid–Liquid Microextraction Enrichment Effect of Aromatic Organics by [OMIM] [PF6] Ionic Liquid Based on Atom-Type Electrotopological State Indices. Chromatographia 2018. [DOI: 10.1007/s10337-018-3492-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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