1
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Banerjee P, Parasuram S, Kumar S, Bose S. Enhanced Mechanical and Self-Healing Properties of Carbon Fiber-Reinforced Epoxy Laminates Using In Situ-Grown ZnO Nanorods and Thermo-Reversible Bonds. ACS OMEGA 2023; 8:41282-41294. [PMID: 37969965 PMCID: PMC10633825 DOI: 10.1021/acsomega.3c04728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 10/09/2023] [Accepted: 10/16/2023] [Indexed: 11/17/2023]
Abstract
Advanced hierarchical carbon fiber epoxy laminates with an engineered interface using in situ-grown ZnO nanorods on carbon fiber resulted in strong mechanical interlocking with the matrix. To further strengthen the interface, "site-specific" modification was realized by modifying the ZnO nanorods with bismaleimide (BMI), which facilitates "thermo-reversible" bonds with graphene oxide (GO) present in the matrix. The resulting laminates exhibited an improvement in flexural strength by 20% and in interlaminar shear strength (ILSS) by 28%. In order to gain a mechanistic insight, few laminates were prepared by "nonselectively" modifying the ZnO-grown carbon fiber (CF) with BMI. The "nonselectively" modified laminates showed flexural strength and ILSS improvement by 43 and 39%, respectively. The "nonselective" modification resulted in a strong improvement in mechanical properties; however, the "site-specific" modification yielded a higher self-healing efficiency (81%). Raman spectroscopy, scanning electron microscopy (SEM) micrographs, atomic force microscope (AFM) analysis, and contact angle analysis indicated a strong interaction of the modified CFs with the resin. Enhanced surface area and energy, along with a decrease in segmental molecular mobility observed from dynamic mechanical analysis, confirmed the mechanism for a better performance. Microscopic images revealed an improved interfacial behavior of the fractured samples, indicating a higher interfacial adhesion in the modified laminates. Besides mechanical properties, these laminates also showed excellent electromagnetic interference (EMI) shielding performance. The laminates with only ZnO-modified CF showed a high shielding effectiveness of -47 dB.
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Affiliation(s)
| | | | - Subodh Kumar
- Department of Materials Engineering, Indian Institute of Science, Bangalore560012, India
| | - Suryasarathi Bose
- Department of Materials Engineering, Indian Institute of Science, Bangalore560012, India
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2
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Amato F, Motta A, Giaccari L, Di Pasquale R, Scaramuzzo FA, Zanoni R, Marrani AG. One-pot carboxyl enrichment fosters water-dispersibility of reduced graphene oxide: a combined experimental and theoretical assessment. NANOSCALE ADVANCES 2023; 5:893-906. [PMID: 36756527 PMCID: PMC9890975 DOI: 10.1039/d2na00771a] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 01/09/2023] [Indexed: 06/18/2023]
Abstract
Graphene, one of the allotropic forms of carbon, has attracted enormous interest in the last few years due to its unique properties. Reduced graphene oxide (RGO) is known as the nanomaterial most similar to graphene in terms of electronic, chemical, mechanical, and optical properties. It is prepared from graphene oxide (GO) in the presence of different types of reducing agents. Nevertheless, the application of RGO is still limited, owing to its tendency to irreversibly aggregate in an aqueous medium. Herein, we disclosed the preparation of water-dispersible RGO from GO previously enriched with additional carboxyl functional groups through a one-pot reaction, followed by chemical reduction. This novel and unprecedentedly reported reactivity of GO toward the acylating agent succinic anhydride (SA) was experimentally investigated through XPS, Raman, FT-IR, and UV-Vis, and corroborated by DFT calculations, which have shown a peculiar involvement in the functionalization reaction of both epoxide and hydroxyl functional groups. This proposed synthetic protocol avoids use of sodium cyanide, previously reported for carboxylation of graphene, and focuses on the sustainable and scalable preparation of a water-dispersible RGO, paving the way for its application in many fields where the colloidal stability in aqueous medium is required.
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Affiliation(s)
- Francesco Amato
- Dipartimento di Chimica, Università di Roma La Sapienza p.le A. Moro 5 I-00185 Rome Italy +39 0649913568 +39 0649913316
| | - Alessandro Motta
- Dipartimento di Chimica, Università di Roma La Sapienza p.le A. Moro 5 I-00185 Rome Italy +39 0649913568 +39 0649913316
- Consorzio INSTM, UdR Roma "La Sapienza" p.le A. Moro 5 I-00185 Rome Italy
| | - Leonardo Giaccari
- Dipartimento di Chimica, Università di Roma La Sapienza p.le A. Moro 5 I-00185 Rome Italy +39 0649913568 +39 0649913316
| | - Roberto Di Pasquale
- Dipartimento di Chimica, Università di Roma La Sapienza p.le A. Moro 5 I-00185 Rome Italy +39 0649913568 +39 0649913316
| | - Francesca Anna Scaramuzzo
- Dipartimento di Scienze di Base e Applicate per l'Ingegneria (S.B.A.I.), Università di Roma La Sapienza Via del Castro Laurenziano 7 I-00161 Rome Italy
| | - Robertino Zanoni
- Dipartimento di Chimica, Università di Roma La Sapienza p.le A. Moro 5 I-00185 Rome Italy +39 0649913568 +39 0649913316
| | - Andrea Giacomo Marrani
- Dipartimento di Chimica, Università di Roma La Sapienza p.le A. Moro 5 I-00185 Rome Italy +39 0649913568 +39 0649913316
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3
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Banerjee P, Parasuram S, Kumar S, Bose S. Graphene oxide-mediated thermo-reversible bonds and in situ grown nano-rods trigger 'self-healable' interfaces in carbon fiber laminates. NANOSCALE 2022; 14:9004-9020. [PMID: 35700545 DOI: 10.1039/d2nr01234k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Carbon fiber reinforced epoxy (CFRE) laminate structures have emerged as futuristic materials having surpassed metals in strength and durability. The interfacial chemistry determines the mechanical performance of such laminates. In this study, a unique approach was adopted wherein the alternate layers of the carbon fiber (CF) mat were grown in situ with ZnO nano-rods and modified with bis-maleimide (BMI), and epoxy resin containing 0.2 or 0.5 wt% graphene oxide (GO) was infused using conventional VARTM technology to enhance the mechanical interlocking of epoxy with the fiber as well as to impart self-healing properties to the laminate. While ZnO rods offer surface roughness thereby facilitating better wetting of epoxy, the Diels-Alder thermo-reversible bonds between BMI and GO facilitate self-healing properties besides improving the interfacial adhesion between epoxy and CF. The rationale behind this work is to synergistically improve the interface-dominated mechanical properties like interlaminar shear strength (ILSS) while maintaining or even improving fiber-dominated properties like flexural strength (FS) as well as imparting considerable recovery in strength post the self-healing cycle. The laminates after this treatment (having 0.5 wt% GO) indeed exhibited 46% improvement in FS and 33% improvement in ILSS properties as well as an ILSS recovery of 70%. The surface analysis suggests that ZnO nano-rods offer surface roughness that helps in the wettability of the matrix on the fibers. In addition, the 2D and 3D representative volume analysis (RVE) model was established to identify the load transfer behaviour in the ZnO-CF-epoxy interface in the microscale reference region. The fractographic analysis confirmed that rigid ZnO nano-rods allowed better matrix adhesion resulting in improved mechanical performance.
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Affiliation(s)
- Poulami Banerjee
- Department of Materials Engineering, Indian Institute of Science, Bangalore - 560012, India.
| | - Sampath Parasuram
- Department of Materials Engineering, Indian Institute of Science, Bangalore - 560012, India.
| | - S Kumar
- Department of Materials Engineering, Indian Institute of Science, Bangalore - 560012, India.
| | - Suryasarathi Bose
- Department of Materials Engineering, Indian Institute of Science, Bangalore - 560012, India.
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4
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Yu W, Gao X, Yuan Z, Liu H, Wang X, Zhang X. Facial fabrication of few-layer functionalized graphene with sole functional group through Diels-Alder reaction by ball milling. RSC Adv 2022; 12:17990-18003. [PMID: 35765334 PMCID: PMC9204711 DOI: 10.1039/d2ra01668k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 06/02/2022] [Indexed: 11/21/2022] Open
Abstract
The widespread use of graphene as a next-generation material in various applications requires developing an environmentally friendly and efficient method for fabricating functionalized graphene. Chemically, graphene can be used as an electron donor or attractor. Here, graphite was successfully exfoliated, and an in situ Diels–Alder reaction (D–A) was carried out to fabricate functionalized graphene with sole functional groups via mechanochemical ball milling. The reactivities of graphene acting as a diene or a dienophile were investigated. Few-layer (≤2 layers) graphene specimens were obtained by wet ball milling, heating in a nitrogen atmosphere, and solvent ultrasonic treatment. The ball-milling method was more effective than heating in a nitrogen atmosphere, and the [2 + 4] D–A of graphene was more dominant than the [4 + 2] D–A in the ball-milling process. The surface tension of functionalized graphene decreased, which provided a theoretical basis for the dispersion and exfoliation of graphite in a suitable solvent. Functionalized graphene still had a high electrical conductivity, which has far-reaching significance for functionalized graphene to be applied in electronic semiconductors and related applications. Meanwhile, functionalized graphene was applied to polymer composite fibers, the tensile strength and the Young's modulus could reach 780 MPa and 19 GPa. The volume resistivity was two orders of magnitude lower than that of pure fiber. Thus, the use of ball milling to efficiently exfoliate and in situ functionalize graphite will help to develop a strategy that can be widely used to manufacture nanomaterials for various application fields. The widespread use of graphene as a next-generation material in various applications requires developing an environmentally friendly and efficient method for fabricating functionalized graphene.![]()
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Affiliation(s)
- Wenguang Yu
- School of Material Science and Engineering, Tiangong University Tianjin 300387 China .,Municipal Key Laboratory of Advanced Fiber and Energy Storage Technology Tianjin 300387 China
| | - Xuefeng Gao
- School of Material Science and Engineering, Tiangong University Tianjin 300387 China .,Municipal Key Laboratory of Advanced Fiber and Energy Storage Technology Tianjin 300387 China
| | - Zhicheng Yuan
- School of Material Science and Engineering, Tiangong University Tianjin 300387 China .,Municipal Key Laboratory of Advanced Fiber and Energy Storage Technology Tianjin 300387 China
| | - Haihui Liu
- School of Material Science and Engineering, Tiangong University Tianjin 300387 China .,Municipal Key Laboratory of Advanced Fiber and Energy Storage Technology Tianjin 300387 China
| | - Xuechen Wang
- School of Material Science and Engineering, Tiangong University Tianjin 300387 China .,Municipal Key Laboratory of Advanced Fiber and Energy Storage Technology Tianjin 300387 China
| | - Xingxiang Zhang
- School of Material Science and Engineering, Tiangong University Tianjin 300387 China .,Municipal Key Laboratory of Advanced Fiber and Energy Storage Technology Tianjin 300387 China
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5
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Ferretti A, Sinha S, Sagresti L, Araya-Hermosilla E, Prato M, Mattoli V, Pucci A, Brancato G. One-step functionalization of mildly and strongly reduced graphene oxide with maleimide: an experimental and theoretical investigation of the Diels-Alder [4+2] cycloaddition reaction. Phys Chem Chem Phys 2022; 24:2491-2503. [PMID: 35023509 DOI: 10.1039/d1cp04121e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
For large-scale graphene applications, such as the production of polymer-graphene nanocomposites, exfoliated graphene oxide (GO) and its reduced form (rGO) are presently considered to be very suitable starting materials, showing enhanced chemical reactivity with respect to pristine graphene, in addition to suitable electronic properties (i.e., tunable band gap). Among other chemical processes, a suitable way to obtain surface decoration of graphene is through a direct one-step Diels-Alder (DA) reaction, e.g. through the use of dienophile or diene moieties. However, the feasibility and extent of decoration largely depends on the specific graphene microstructure that in the case of rGO sheets is not easy to control and generally presents a high degree of inhomogeneity owing to various on-plane functionalization (e.g., epoxide and hydroxyl groups) or in-plane lattice defects. In an effort to gain some insights into the covalent functionalization of variably reduced GO samples, we present a combined experimental and theoretical study on the DA cycloaddition reaction of maleimide, a dienophile functional unit well-suited for chemical conjugation of polymers and macromolecules. In particular, we considered both mildly and strongly reduced GOs. Using thermogravimetry, Raman and X-Ray photoelectron spectroscopy, and elemental analysis we show evidence of variable chemical reactivity of rGO as a function of the residual oxygen content. Moreover, from quantum mechanical calculations carried out at the DFT level on different graphene reaction sites, we provide a more detailed molecular view to interpret experimental findings and to assess the reactivity series of different graphene modifications.
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Affiliation(s)
- Alfonso Ferretti
- Università di Pisa, Dipartimento di Ingegneria Civile ed Industriale, Largo Lucio Lazzarino 2, I-56124 Pisa, Italy
| | - Sourab Sinha
- Scuola Normale Superiore and CSGI, Piazza dei Cavalieri 7, I-56126 Pisa, Italy.
| | - Luca Sagresti
- Scuola Normale Superiore and CSGI, Piazza dei Cavalieri 7, I-56126 Pisa, Italy. .,Istituto Nazionale di Fisica Nucleare (INFN) sezione di Pisa, Largo Bruno Pontecorvo 3, 56127 Pisa, Italy
| | - Esteban Araya-Hermosilla
- Center for Materials Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Mirko Prato
- Materials Characterization Facility, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Virgilio Mattoli
- Center for Materials Interfaces, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025 Pontedera, Italy
| | - Andrea Pucci
- Department of Chemistry and Industrial Chemistry, University of Pisa, Via Moruzzi 13, 56124 Pisa, Italy.,CISUP, Centro per l'Integrazione della Strumentazione dell'Università di Pisa, Lungarno Pacinotti 43, 56126 Pisa, Italy
| | - Giuseppe Brancato
- Scuola Normale Superiore and CSGI, Piazza dei Cavalieri 7, I-56126 Pisa, Italy. .,Istituto Nazionale di Fisica Nucleare (INFN) sezione di Pisa, Largo Bruno Pontecorvo 3, 56127 Pisa, Italy
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6
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Yang X, Chen F, Kim MA, Liu H, Wolf L, Yan M. Using Metal Substrates to Enhance the Reactivity of Graphene towards Diels-Alder Reactions. Phys Chem Chem Phys 2022; 24:20082-20093. [DOI: 10.1039/d2cp01842j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Diels-Alder (DA) reaction, a classic cycloaddition reaction involving a diene and a dienophile to form a cyclohexene, is among the most versatile organic reactions. Theories have predicted thermodynamically unfavorable...
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7
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Zhu X, Xu Y, Lu Z, Xue Q. Effects of Oxygenated Acids on Graphene Oxide: The Source of Oxygen-Containing Functional Group. Front Chem 2021; 9:736954. [PMID: 34660532 PMCID: PMC8512170 DOI: 10.3389/fchem.2021.736954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 08/12/2021] [Indexed: 11/13/2022] Open
Abstract
Graphene oxide is an important member of the graphene family which has a wide range of applications. The chemical method, especially the liquid phase method, is one of the most common and important methods for its preparation. However, the complex solution environment not only gives them rich structure, but also brings great challenges for its large-scale industrial synthesis. In order to better realize its industrial application, it is important to understand its structure, such as the source of oxygen-containing functional groups. Here we studied the contribution of four oxygenated acids to oxygen-containing functional groups in Hummers’ method using first principles. We found that the permanganic acid molecules that exist instantaneously due to energy fluctuations can be the source of oxygen-containing functional group. In addition, Stone-Wales defect have a certain effect on the formation of oxygen-containing functional groups, but this effect is not as good as that of solvation effect. This work provides a guide for exploring the source of oxygen-containing functional groups on graphene oxide.
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Affiliation(s)
- Xinghua Zhu
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China
| | - Yuanpu Xu
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China
| | - Zhibin Lu
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China
| | - Qunji Xue
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, China
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8
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Mei L, Shi Y, Miao Z, Cao F, Hu K, Lin C, Li X, Li J, Gao J. Photo-initiated enhanced antibacterial therapy using a non-covalent functionalized graphene oxide nanoplatform. Dalton Trans 2021; 50:8404-8412. [PMID: 34037016 DOI: 10.1039/d1dt00642h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This study describes a novel antibacterial phototherapeutic platform for highly efficient healing of bacteria-infected wounds. It is based on the photodynamic and physical actions of a zinc tetraaminophthalocyanine-modified graphene oxide nanocomposite produced via non-covalent functionalization. The nanocomposite is positively charged and can easily capture negatively charged bacteria via electrostatic interactions. The antibacterial action is two-fold: (1) reactive oxygen species are produced by the phthalocyanine photosensitizer after short-term exposure to 680 nm light and (2) the graphene oxide can physically cut bacterial cell membranes. These enhanced activities can kill Gram-positive and Gram-negative bacteria at very low dosages. An ultrastructural examination indicates that this nanocomposite causes enormous damage to bacterial morphology and leakage of intracellular substances that lead to bacterial death. A rat wound model is used to demonstrate that the proposed phototherapeutic platform has low cytotoxicity and can promote rapid healing in bacteria-infected wounds. These results suggest that the integration of different antibacterial methods into a single nanotherapeutic platform is a promising strategy for anti-infective treatment.
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Affiliation(s)
- Lin Mei
- School of Materials and Chemical Engineering, Zhongyuan University of Technology, Zhengzhou 450007, P.R. China.
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9
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Monteiro AR, Neves MGPMS, Trindade T. Functionalization of Graphene Oxide with Porphyrins: Synthetic Routes and Biological Applications. Chempluschem 2021; 85:1857-1880. [PMID: 32845088 DOI: 10.1002/cplu.202000455] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/27/2020] [Indexed: 12/19/2022]
Abstract
Among the available carbon nanomaterials, graphene oxide (GO) has been widely studied because of the possibility of anchoring different chemical species for a large number of applications, including those requiring water-compatible systems. This Review summarizes the state-of-the-art of synthetic routes used to functionalize GO, such as those involving multiple covalent and non-covalent bonds to organic molecules, functionalization with nanoparticles and doping. As a recent development in this field, special focus is given to the formation of nanocomposites comprising GO and porphyrins, and their characterization through spectroscopic techniques (such as UV-Vis, fluorescence, Raman spectroscopy), among others. The potential of such hybrid systems in targeted biological applications is also discussed, namely for cancer therapies relying on photodynamic and photothermal therapies and for the inhibition of telomerase enzyme. Lastly, some promising alternative materials to GO are presented to overcome current challenges of GO-based research and to inspire future research directions in this field.
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Affiliation(s)
- Ana R Monteiro
- Department of Chemistry, University of Aveiro, CICECO - Aveiro Institute of Materials, 3810-193, Aveiro, Portugal.,Department of Chemistry, University of Aveiro, LAQV - Requimte, 3810-193, Aveiro, Portugal
| | - M Graça P M S Neves
- Department of Chemistry, University of Aveiro, LAQV - Requimte, 3810-193, Aveiro, Portugal
| | - Tito Trindade
- Department of Chemistry, University of Aveiro, CICECO - Aveiro Institute of Materials, 3810-193, Aveiro, Portugal
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10
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Rhili K, Chergui S, ElDouhaibi AS, Siaj M. Hexachlorocyclotriphosphazene Functionalized Graphene Oxide as a Highly Efficient Flame Retardant. ACS OMEGA 2021; 6:6252-6260. [PMID: 33718715 PMCID: PMC7948213 DOI: 10.1021/acsomega.0c05815] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/22/2021] [Indexed: 05/27/2023]
Abstract
A flame-retardant composite was synthesized through a simple graphene oxide functionalization route with hexachlorocyclotriphosphazene and p-phenylenediamine. Flame experiments conducted on the synthesized composite proved its importance as tremendously resistant to fire. The thermogravimetric analysis (TGA) shows clearly that the functionalized graphene oxide (FGO) exhibits an enhanced thermal stability and better temperature resistance. A thermoset epoxy resin was prepared by incorporating different percentages (2, 5, and 10%) of FGO to diglycidyl ether of bisphenol A (DGEBA). The flame-retardant properties, thermal degradation behavior, and combustion of the DGEBA thermosets cured by m-phenylenediamine were investigated using a Bunsen burner flame approaching the flame temperature of a fire and TGA. The chemical structure of FGO was characterized with spectroscopic and imaging techniques including Fourier transform infrared spectroscopy, Raman spectroscopy, X-ray diffraction, TGA, scanning electron microscopy, energy-dispersive X-ray spectroscopy elemental mapping, and X-ray photoelectron spectroscopy. Due to its high flame-retardant capabilities, such a composite could promise potential applications in the manufacture of inflammable materials for different uses.
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Affiliation(s)
- Khaled Rhili
- Department
of Chemistry, University of Quebec at Montreal, Montreal, QC H3C3P8, Canada
| | - Siham Chergui
- Department
of Chemistry, University of Quebec at Montreal, Montreal, QC H3C3P8, Canada
| | - Ahmad Samih ElDouhaibi
- Department
of Chemistry, Lebanese University, College of Science III, Campus Mont Michel, 1352 Tripoli, Lebanon
| | - Mohamed Siaj
- Department
of Chemistry, University of Quebec at Montreal, Montreal, QC H3C3P8, Canada
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11
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Mahardiani L, Shrotri A, Kobayashi H, Fukuoka A. Structure and activity of activated carbon functionalized with maleic anhydride by diels-alder reaction. Catal Today 2020. [DOI: 10.1016/j.cattod.2019.08.056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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12
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Chergui S, Rhili K, Poorahong S, Siaj M. Graphene Oxide Membrane Immobilized Aptamer as a Highly Selective Hormone Removal. MEMBRANES 2020; 10:E229. [PMID: 32932581 PMCID: PMC7558482 DOI: 10.3390/membranes10090229] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/09/2020] [Accepted: 09/11/2020] [Indexed: 12/12/2022]
Abstract
Three-dimensional (3D) reduced graphene oxide (rGO) modified by polyethyleneimine (PEI) was prepared and functionalized by fluorophore-labeled dexamethasone-aptamer (Flu-DEX-apt) via π-π stacking interaction. The rGO/PEI/Flu-DEX-apt was used as a selective membrane for dexamethasone hormone removal from water. The prepared rGO/PEI/Flu-DEX-apt membranes were stable, insoluble, and easily removable from liquid media. The membrane was characterized by Raman spectroscopy, scanning electron spectroscopy, and FTIR spectroscopy. The rGO/PEI/Flu-DEX-apt membrane showed high sensitivity and specificity toward the dexamethasone hormone in the presence of other steroid hormone analogs, such as progesterone, estrone, estradiol, and 19-norethindrone. The fluorescence and UV-visible spectroscopy were used to confirm the membranes performance and the quantification of hormones removal. The resulting data clearly show that the graphene oxide concentration influence the aptamers and analytes interaction (π-π stacking interaction). It was found that by varying the graphene oxide concentration yields to different porosities of rGO/PEI/Flu-DEX-apt membranes affects the adsorption recovery rate, as well as the specificity and selectivity toward the dexamethasone hormone.
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Affiliation(s)
| | | | | | - Mohamed Siaj
- Department of Chemistry, University of Quebec at Montreal, Montreal, QC H3C3P8, Canada; (S.C.); (K.R.); (S.P.)
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13
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Farjadian F, Abbaspour S, Sadatlu MAA, Mirkiani S, Ghasemi A, Hoseini‐Ghahfarokhi M, Mozaffari N, Karimi M, Hamblin MR. Recent Developments in Graphene and Graphene Oxide: Properties, Synthesis, and Modifications: A Review. ChemistrySelect 2020. [DOI: 10.1002/slct.202002501] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Fatemeh Farjadian
- Pharmaceutical Sciences Research Center Shiraz University of Medical Sciences Shiraz Iran
| | - Somayeh Abbaspour
- Department of Materials Science and Engineering Sharif University of Technology Iran
| | | | - Soroush Mirkiani
- Neuroscience & Mental Health Institute Faculty of Medicine & Dentistry University of Alberta Canada
| | - Amir Ghasemi
- Department of Materials Science and Engineering Sharif University of Technology Iran
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG) Iran University of Medical Sciences Tehran Iran
| | - Mojtaba Hoseini‐Ghahfarokhi
- Nano Drug Delivery Research Center Kermanshah University of Medical Sciences Kermanshah Iran
- Radiology and Nuclear Medicine department School of Paramedical Sciences Kermanshah University of Medical Sciences Kermanshah Iran
| | - Naeimeh Mozaffari
- Research School of Electrical Energy and Materials Engineering The Australian National University Canberra ACT 2601 Australia
| | - Mahdi Karimi
- Iran Cellular and Molecular Research Center Iran University of Medical Sciences Tehran Iran
- Department of Medical Nanotechnology Faculty of Advanced Technologies in Medicine Iran University of Medical Sciences Tehran Iran
- Oncopathology Research Center Iran University of Medical Sciences Tehran Iran
- Research Center for Science and Technology in Medicine Tehran University of Medical Sciences Tehran Iran
- Applied Biotechnology Research Centre Tehran Medical Science Islamic Azad University Tehran Iran
| | - Michael R. Hamblin
- Wellman Center for Photomedicine Massachusetts General Hospital Harvard Medical School Boston MA 02114 USA
- Department of Dermatology Harvard Medical School Boston MA 02115 USA
- Laser Research Centre Faculty of Health Science University of Johannesburg Johannesburg, Doornfontein 2028 South Africa
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14
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Probing the influence of graphene oxide sheets size on the performance of label-free electrochemical biosensors. Sci Rep 2020; 10:13612. [PMID: 32788744 PMCID: PMC7424566 DOI: 10.1038/s41598-020-70384-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 07/28/2020] [Indexed: 11/08/2022] Open
Abstract
The integration of graphene materials into electrochemical biosensing platforms has gained significant interest in recent years. Bulk quantities of graphene can be synthesized by oxidation of graphite to graphite oxide and subsequent exfoliation to graphene oxide (GO). However, the size of the resultant GO sheets changes from the parent graphite yielding a polydispersed solution of sizes ranging from a few nanometers to tens of micrometers. Here, we investigate the direct effect of GO sheets sizes on biosensor performance. We separated different GO sheets sizes, and we characterized them via atomic force, scanning electron, Raman and X-ray photoelectron spectroscopies and solid state nuclear magnetic resonance (NMR). As proof of concept, the sensing performance of these GO samples was probed using a well-known ssDNA aptasensor against microcystin-LR toxin and an immunosensor against β-lactoglobulin. The resulting aptasensors and immunosensors are fabricated by using covalent attachment and physical adsorption. We found that the aptasensors fabricated using physical adsorption, the binding signal variation was dramatically increased with increasing the GO sheet size. In contrast, for the aptasensor fabricated using covalent immobilization, the binding signal variation decreased with increasing GO sheet size. However, for the β-lactoglobulin immunosensors, the optimum signals were observed at intermediate GO sheet size. GO sheet size could enhance or inhibit the sensitivity of the graphene-based electrochemical sensors. Our results demonstrate that controlling the size of GO sheets may have a profound impact in specific biosensing applications.
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Elshafey R, Brisebois P, Abdulkarim H, Izquierdo R, Tavares AC, Siaj M. Effect of Graphene Oxide Sheet Size on the Response of a Label‐free Voltammetric Immunosensor for Cancer Marker VEGF. ELECTROANAL 2020. [DOI: 10.1002/elan.202000065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Reda Elshafey
- Département de Chimie et Biochimie, NanoQAM, CQMF Université du Québec à Montréal Montréal Québec H3C 3P8 Canada
- Institut National de la Recherche Scientifique – Énergie Matériaux Télécommunications Varennes Québec J3X 1S2 Canada
| | - Patrick Brisebois
- Département de Chimie et Biochimie, NanoQAM, CQMF Université du Québec à Montréal Montréal Québec H3C 3P8 Canada
| | - Haya Abdulkarim
- Département de Chimie et Biochimie, NanoQAM, CQMF Université du Québec à Montréal Montréal Québec H3C 3P8 Canada
| | - Ricardo Izquierdo
- École de technologie supérieure Université du Québec Montreal Quebec H3C 1K3 Canada
| | - Ana C. Tavares
- Institut National de la Recherche Scientifique – Énergie Matériaux Télécommunications Varennes Québec J3X 1S2 Canada
| | - Mohamed Siaj
- Département de Chimie et Biochimie, NanoQAM, CQMF Université du Québec à Montréal Montréal Québec H3C 3P8 Canada
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Brisebois PP, Izquierdo R, Siaj M. Room-Temperature Reduction of Graphene Oxide in Water by Metal Chloride Hydrates: A Cleaner Approach for the Preparation of Graphene@Metal Hybrids. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1255. [PMID: 32605210 PMCID: PMC7408530 DOI: 10.3390/nano10071255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/06/2020] [Accepted: 06/16/2020] [Indexed: 11/29/2022]
Abstract
Headed for developing minimalistic strategies to produce graphene@metal hybrids for electronics on a larger scale, we discovered that graphene oxide (GO)-metal oxide (MO) hybrids are formed spontaneously in water at room temperature in the presence of nothing else than graphene oxide itself and metal ions. Our observations show metal oxide nanoparticles decorating the surface of graphene oxide with particle diameter in the range of 10-40 nm after only 1 h of mixing. Their load ranged from 0.2% to 6.3% depending on the nature of the selected metal. To show the generality of the reactivity of GO with different ions in standard conditions, we prepared common hybrids with GO and tin, iron, zinc, aluminum and magnesium. By means of carbon-13 solid-state nuclear magnetic resonance using magic angle spinning, we have found that graphene oxide is also moderately reduced at the same time. Our method is powerful and unique because it avoids the use of chemicals and heat to promote the coprecipitation and the reduction of GO. This advantage allows synthesizing GO@MO hybrids with higher structural integrity and purity with a tunable level of oxidization, in a faster and greener way.
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Affiliation(s)
- Patrick. P. Brisebois
- Department of Chemistry, Université du Québec à Montréal, NanoQAM/QCAM, Montreal, QC H3C 3P8, Canada;
| | - Ricardo Izquierdo
- École de Technologie Supérieure, Université du Québec, Montreal, QC H3C 1K3, Canada;
| | - Mohamed Siaj
- Department of Chemistry, Université du Québec à Montréal, NanoQAM/QCAM, Montreal, QC H3C 3P8, Canada;
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Xu J, Zhao X, Liu F, Jin L, Chen G. Preparation of graphene via wet ball milling and in situ reversible modification with the Diels–Alder reaction. NEW J CHEM 2020. [DOI: 10.1039/c9nj05309c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Functionalized graphene (G-MA) was prepared by a facile wet ball milling strategy, which achieved exfoliation and functionalization of graphite simultaneously.
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Affiliation(s)
- Jianfeng Xu
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen
- P. R. China
| | - Xiaomin Zhao
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen
- P. R. China
| | - Feixiang Liu
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen
- P. R. China
| | - Lun Jin
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen
- P. R. China
| | - Guohua Chen
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen
- P. R. China
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18
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Feng Z, Zuo H, Hu J, Yu B, Ning N, Tian M, Zhang L. In Situ Exfoliation of Graphite into Graphene Nanosheets in Elastomer Composites Based on Diels–Alder Reaction during Melt Blending. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b02580] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Huang K, Yu H, Xie M, Liu S, Wu F. Effects of poly(ethylene glycol)-grafted graphene on the electrical properties of poly(lactic acid) nanocomposites. RSC Adv 2019; 9:10599-10605. [PMID: 35515283 PMCID: PMC9062533 DOI: 10.1039/c9ra01060b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 03/30/2019] [Indexed: 11/21/2022] Open
Abstract
Maleic anhydride was reacted with the armchair edges of graphene nanosheets (GN) via Diels-Alder reaction. Then, polyethylene glycol (PEG) was grafted onto the GN in the presence of anhydride groups through an esterification reaction. The PEG-grafted GN (PEG-g-GN) was characterised via FTIR analysis, thermogravimetric analysis, scanning electron microscopy, Raman spectroscopy and contact angle measurements, proving that PEG was successfully grafted onto the GN surface. The results indicated that PEG-g-GN possessed high electrical conductivity and was dispersed in polylactic acid (PLA). The composites were fabricated by using PEG-g-GN and GN as the conductive agent in the PLA matrix. Owing to the function of PEG molecular chains, PEG-g-GN can be uniformly dispersed in the PLA matrix and improve the tensile strength of composites to 59.46 MPa and conductivity to 9.69 × 10-4 S cm-1 at a PEG-g-GN content of 1 wt%.
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Affiliation(s)
- Kaibing Huang
- College of Materials Science and Engineering, Hunan University Changsha 410082 PR China
| | - Han Yu
- College of Materials Science and Engineering, Hunan University Changsha 410082 PR China
| | - Mei Xie
- College of Materials Science and Engineering, Hunan University Changsha 410082 PR China
| | - Shuai Liu
- College of Materials Science and Engineering, Hunan University Changsha 410082 PR China
| | - Fenxia Wu
- Changsha Loyal Chemical Technology Company Limited Changsha 410081 PR China
- Hunan Engineering Research Center of Eco-friendly Water Based Adhesive Materials Changsha 410081 PR China
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Abstract
By means of first principles calculations we studied the occurrence of cycloaddition reactions on the buffer layer of silicon carbide. Interestingly, the presence of the substrate favors the 1,3 cycloaddition instead of the [2+2] or [4+2] ones.
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Affiliation(s)
- Pablo A. Denis
- Computational Nanotechnology
- DETEMA
- Facultad de Química
- UDELAR
- 11800 Montevideo
| | - C. Pereyra Huelmo
- Computational Nanotechnology
- DETEMA
- Facultad de Química
- UDELAR
- 11800 Montevideo
| | - Federico Iribarne
- Computational Nanotechnology
- DETEMA
- Facultad de Química
- UDELAR
- 11800 Montevideo
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21
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Affiliation(s)
- Pablo A. Denis
- Computational Nanotechnology, DETEMA; Facultad de Química, UDELAR, CC 1157; 11800 Montevideo Uruguay
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23
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Tang S, Wu W, Liu L, Cao Z, Wei X, Chen Z. Diels–Alder reactions of graphene oxides: greatly enhanced chemical reactivity by oxygen-containing groups. Phys Chem Chem Phys 2017; 19:11142-11151. [DOI: 10.1039/c7cp01086a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oxygen-containing groups of graphene oxides greatly enhanced the Diels–Alder (DA) reactivity of pristine graphene.
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Affiliation(s)
- Shaobin Tang
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Weihua Wu
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Liangxian Liu
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province
- Gannan Normal University
- Ganzhou 341000
- China
| | - Zexing Cao
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry
- College of Chemistry and Chemical Engineering
- Xiamen University
- Xiamen 361005
- China
| | - Xiaoxuan Wei
- Department of Chemistry
- Institute for Functional Nanomaterials
- University of Puerto Rico
- San Juan
- USA
| | - Zhongfang Chen
- Department of Chemistry
- Institute for Functional Nanomaterials
- University of Puerto Rico
- San Juan
- USA
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Zhang X, Cong Y, Zhang B. Reduced graphene oxide/liquid crystalline oligomer composites based on reversible covalent chemistry. Phys Chem Chem Phys 2017; 19:6082-6089. [PMID: 28191559 DOI: 10.1039/c6cp07622j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Xiaodong Zhang
- Center for Molecular Science and Engineering, Northeastern University, 3 Wenhua Road, Shenyang 110819, P. R. China.
| | - Yuehua Cong
- Center for Molecular Science and Engineering, Northeastern University, 3 Wenhua Road, Shenyang 110819, P. R. China.
| | - Baoyan Zhang
- Center for Molecular Science and Engineering, Northeastern University, 3 Wenhua Road, Shenyang 110819, P. R. China.
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25
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Affiliation(s)
- Pablo A. Denis
- Computational Nanotechnology, DETEMA; Facultad de Química, UDELAR, CC 1157; 11800 Montevideo Uruguay
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26
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Zhang X, Cong Y, Zhang B. Covalent modification of reduced graphene oxide by chiral side-chain liquid crystalline oligomer via Diels–Alder reaction. RSC Adv 2016. [DOI: 10.1039/c6ra20891f] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
RGO was dispersed in the CSLCO matrix via DA reaction, and the composites have excellent properties.
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Affiliation(s)
- Xiaodong Zhang
- Center for Molecular Science and Engineering
- Northeastern University
- Shenyang 110819
- P. R. China
| | - Yuehua Cong
- Center for Molecular Science and Engineering
- Northeastern University
- Shenyang 110819
- P. R. China
| | - Baoyan Zhang
- Center for Molecular Science and Engineering
- Northeastern University
- Shenyang 110819
- P. R. China
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