1
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Huang C, Zhao S, Chen R, Johansson E, Aqeel M, Klement U, Andersson AM, Taher M, Palermo V, Sun J. Binder assisted graphene derivatives as lubricants in copper: Improved tribological performance for industrial application. iScience 2024; 27:109429. [PMID: 38562522 PMCID: PMC10982548 DOI: 10.1016/j.isci.2024.109429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 01/09/2024] [Accepted: 03/04/2024] [Indexed: 04/04/2024] Open
Abstract
Originally derived from graphite, high-quality single-layer graphene is an excellent anti-wear and -friction additive in metal matrix. Here, the tribological performance of 3 different commercialized graphene derivatives (e.g., graphene oxide [GO], reduced graphene oxide [RGO], and graphene nanoplatelet [GNP]) as additives in a Cu matrix, were investigated from an industrial perspective. To increase the interaction of graphene derivatives with Cu particles, and addressing the aggregation problem of the graphene derivatives, different binders (polyvinyl alcohol [PVA] and cellulose nanocrystals [CNC]) were introduced into the system. Benefiting from such a strategy, a uniform distribution of the graphene derivatives in Cu matrix was achieved with graphene loading up to 5 wt %. After high-temperature sintering, the graphene is preserved and well distributed in the Cu matrix. It was found that the GNP-containing sample shows the most stable friction coefficient behavior. However, GO and RGO also improve the tribological performance of Cu under different circumstances.
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Affiliation(s)
- Changjie Huang
- Department of Industrial and Materials Science, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Su Zhao
- ABB AB, Corporate Research, 721 78 Västerås, Sweden
| | - Ruiqi Chen
- Department of Industrial and Materials Science, Chalmers University of Technology, 41296 Göteborg, Sweden
| | | | - Muhammad Aqeel
- Department of Industrial and Materials Science, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Uta Klement
- Department of Industrial and Materials Science, Chalmers University of Technology, 41296 Göteborg, Sweden
| | | | - Mamoun Taher
- Graphmatech AB, Mältargatan 17, 753 18 Uppsala, Sweden
| | - Vincenzo Palermo
- Department of Industrial and Materials Science, Chalmers University of Technology, 41296 Göteborg, Sweden
- Institute of Organic Synthesis and Photoreactivity (ISOF), National Research Council of Italy (CNR), Via P. Gobetti 101, 40129 Bologna, Italy
| | - Jinhua Sun
- Department of Industrial and Materials Science, Chalmers University of Technology, 41296 Göteborg, Sweden
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2
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Lancellotti L, Bianchi A, Kovtun A, Gazzano M, Marforio TD, Xia ZY, Calvaresi M, Melucci M, Zanardi C, Palermo V. Selective ion transport in large-area graphene oxide membrane filters driven by the ionic radius and electrostatic interactions. Nanoscale 2024; 16:7123-7133. [PMID: 38501609 DOI: 10.1039/d3nr05874c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Filters made of graphene oxide (GO) are promising for purification of water and selective sieving of specific ions; while some results indicate the ionic radius as the discriminating factor in the sieving efficiency, the exact mechanism of sieving is still under debate. Furthermore, most of the reported GO filters are planar coatings with a simple geometry and an area much smaller than commercial water filters. Here, we show selective transport of different ions across GO coatings deposited on standard hollow fiber filters with an area >10 times larger than typical filters reported. Thanks to the fabrication procedure, we obtained a uniform coating on such complex geometry with no cracks or holes. Monovalent ions like Na+ and K+ can be transported through these filters by applying a low electric voltage, while divalent ions are blocked. By combining transport and adsorption measurements with molecular dynamics simulations and spectroscopic characterization, we unravel the ion sieving mechanism and demonstrate that it is mainly due to the interactions of the ions with the carboxylate groups present on the GO surface at neutral pH.
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Affiliation(s)
- Lidia Lancellotti
- Institute for Organic Synthesis and Photoreactivity, National Research Council (ISOF-CNR), via Piero Gobetti 101, 40129, Bologna, BO, Italy.
| | - Antonio Bianchi
- Institute for Organic Synthesis and Photoreactivity, National Research Council (ISOF-CNR), via Piero Gobetti 101, 40129, Bologna, BO, Italy.
| | - Alessandro Kovtun
- Institute for Organic Synthesis and Photoreactivity, National Research Council (ISOF-CNR), via Piero Gobetti 101, 40129, Bologna, BO, Italy.
| | - Massimo Gazzano
- Institute for Organic Synthesis and Photoreactivity, National Research Council (ISOF-CNR), via Piero Gobetti 101, 40129, Bologna, BO, Italy.
| | - Tainah Dorina Marforio
- Department of Chemistry 'G. Ciamician', Alma Mater Studiorum University of Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Zhen Yuan Xia
- Department of Industrial and Materials Science, Chalmers University of Technology, Gothenburg S-41296, Sweden
| | - Matteo Calvaresi
- Department of Chemistry 'G. Ciamician', Alma Mater Studiorum University of Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Manuela Melucci
- Institute for Organic Synthesis and Photoreactivity, National Research Council (ISOF-CNR), via Piero Gobetti 101, 40129, Bologna, BO, Italy.
| | - Chiara Zanardi
- Institute for Organic Synthesis and Photoreactivity, National Research Council (ISOF-CNR), via Piero Gobetti 101, 40129, Bologna, BO, Italy.
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, via Torino 155, 30172 Venezia-Mestre, Italy
| | - Vincenzo Palermo
- Institute for Organic Synthesis and Photoreactivity, National Research Council (ISOF-CNR), via Piero Gobetti 101, 40129, Bologna, BO, Italy.
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice, via Torino 155, 30172 Venezia-Mestre, Italy
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3
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Carmina D, Benfenati V, Simonelli C, Rotolo A, Cardano P, Grovale N, Mangoni di S Stefano L, de Santo T, Zamboni R, Palermo V, Muccini M, De Seta F. Innovative solutions for disease management. Bioelectron Med 2023; 9:28. [PMID: 38053220 DOI: 10.1186/s42234-023-00131-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 11/06/2023] [Indexed: 12/07/2023] Open
Abstract
The increasing prevalence of chronic diseases is a driver for emerging big data technologies for healthcare including digital platforms for data collection, systems for active patient engagement and education, therapy specific predictive models, optimized patient pathway models. Powerful bioelectronic medicine tools for data collection, analysis and visualization allow for joint processing of large volumes of heterogeneous data, which in turn can produce new insights about patient outcomes and alternative interpretations of clinical patterns that can lead to implementation of optimized clinical decisions and clinical patient pathway by healthcare professionals.With this perspective, we identify innovative solutions for disease management and evaluate their impact on patients, payers and society, by analyzing their impact in terms of clinical outcomes (effectiveness, safety, and quality of life) and economic outcomes (cost-effectiveness, savings, and productivity).As a result, we propose a new approach based on the main pillars of innovation in the disease management area, i.e. progressive patient care models, patient-centric approaches, bioelectronics for precise medicine, and lean management that, combined with an increase in appropriate private-public-citizen-partnership, leads towards Patient-Centric Healthcare.
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Affiliation(s)
- Dafni Carmina
- Medtronic Clinical & Regulatory Solutions - Study & Scientific Solutions, Via Aurelia 866, Roma, 00165, Italy.
| | - Valentina Benfenati
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e Fotoreattività, via Gobetti 101, Bologna, 40129, Italy.
| | - Claudia Simonelli
- Medtronic Clinical & Regulatory Solutions - Study & Scientific Solutions, Via Aurelia 866, Roma, 00165, Italy
| | - Alessia Rotolo
- Consiglio Nazionale delle Ricerche, Istituto per lo Studio dei Materiali Nanostrutturati, via Gobetti 101, Bologna, 40129, Italy
| | - Paola Cardano
- Medtronic Clinical & Regulatory Solutions - Study & Scientific Solutions, Via Aurelia 866, Roma, 00165, Italy
| | - Nicoletta Grovale
- Medtronic Clinical & Regulatory Solutions - Study & Scientific Solutions, Via Aurelia 866, Roma, 00165, Italy
| | | | - Tiziana de Santo
- Medtronic Clinical & Regulatory Solutions - Study & Scientific Solutions, Via Aurelia 866, Roma, 00165, Italy
| | - Roberto Zamboni
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e Fotoreattività, via Gobetti 101, Bologna, 40129, Italy
| | - Vincenzo Palermo
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e Fotoreattività, via Gobetti 101, Bologna, 40129, Italy
| | - Michele Muccini
- Consiglio Nazionale delle Ricerche, Istituto per lo Studio dei Materiali Nanostrutturati, via Gobetti 101, Bologna, 40129, Italy
- Mister Smart Innovation S, via Gobetti 101, Bologna, 40129, Italy
| | - Francesco De Seta
- Medtronic Clinical & Regulatory Solutions - Study & Scientific Solutions, Via Aurelia 866, Roma, 00165, Italy
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4
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Tunioli F, Marforio TD, Favaretto L, Mantovani S, Pintus A, Bianchi A, Kovtun A, Agnes M, Palermo V, Calvaresi M, Navacchia ML, Melucci M. Chemical Tailoring of β-Cyclodextrin-Graphene Oxide for Enhanced Per- and Polyfluoroalkyl Substances (PFAS) Adsorption from Drinking Water. Chemistry 2023; 29:e202301854. [PMID: 37548167 DOI: 10.1002/chem.202301854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/05/2023] [Accepted: 08/07/2023] [Indexed: 08/08/2023]
Abstract
We report on the synthesis of β-cyclodextrin (βCD) modified graphene oxide (GO) nanosheets, having different sized alkyl linkers (GO-Cn -βCD) and their exploitation as sorbent of per- and polyfluoroalkyl substances (PFAS) from drinking water. βCD were functionalized with a pending amino group, and the resulting precursors grafted to GO nanosheets by epoxide ring opening reaction. Loading of βCD units in the range 12 %-36 % was estimated by combined XPS and elemental analysis. Adsorption tests on perfluorobutanoic acid (PFBA), a particularly persistent PFAS selected as case study, revealed a strong influence of the alkyl linker length on the adsorption efficiency, with the hexyl linker derivative GO-C6 -βCD outperforming both pristine GO and granular activated carbon (GAC), the standard sorbent benchmark. Molecular dynamic simulations ascribed this evidence to the favorable orientation of the βCD unit on the surface of GO which enables a strong contaminant molecules retention.
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Affiliation(s)
- Francesca Tunioli
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
| | - Tainah D Marforio
- Department of Chemistry "G. Ciamician" Alma Mater Studiorum -, University of Bologna, Via Selmi 2, 40126, Bologna, BO, Italy
| | - Laura Favaretto
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
| | - Sebastiano Mantovani
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
| | - Angela Pintus
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
| | - Antonio Bianchi
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
| | - Alessandro Kovtun
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
| | - Marco Agnes
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
| | - Vincenzo Palermo
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
- Department of Industrial and Materials Science, Chalmers University of Technology, 41258, Göteborg, Sweden
| | - Matteo Calvaresi
- Department of Chemistry "G. Ciamician" Alma Mater Studiorum -, University of Bologna, Via Selmi 2, 40126, Bologna, BO, Italy
| | - Maria Luisa Navacchia
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
| | - Manuela Melucci
- Institute for Organic Synthesis and Photoreactivity (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via Gobetti 101, 40129, Bologna, BO, Italy
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5
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Boschi A, Kovtun A, Liscio F, Xia Z, Kim KH, Avila SL, De Simone S, Mussi V, Barone C, Pagano S, Gobbi M, Samorì P, Affronte M, Candini A, Palermo V, Liscio A. Mesoscopic 3D Charge Transport in Solution-Processed Graphene-Based Thin Films: A Multiscale Analysis. Small 2023; 19:e2303238. [PMID: 37330652 DOI: 10.1002/smll.202303238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 06/05/2023] [Indexed: 06/19/2023]
Abstract
Graphene and related 2D material (GRM) thin films consist of 3D assembly of billions of 2D nanosheets randomly distributed and interacting via van der Waals forces. Their complexity and the multiscale nature yield a wide variety of electrical characteristics ranging from doped semiconductor to glassy metals depending on the crystalline quality of the nanosheets, their specific structural organization ant the operating temperature. Here, the charge transport (CT) mechanisms are studied that are occurring in GRM thin films near the metal-insulator transition (MIT) highlighting the role of defect density and local arrangement of the nanosheets. Two prototypical nanosheet types are compared, i.e., 2D reduced graphene oxide and few-layer-thick electrochemically exfoliated graphene flakes, forming thin films with comparable composition, morphology and room temperature conductivity, but different defect density and crystallinity. By investigating their structure, morphology, and the dependence of their electrical conductivity on temperature, noise and magnetic-field, a general model is developed describing the multiscale nature of CT in GRM thin films in terms of hopping among mesoscopic bricks, i.e., grains. The results suggest a general approach to describe disordered van der Waals thin films.
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Affiliation(s)
- Alex Boschi
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, (CNR-ISOF), via Gobetti 101, Bologna, 40129, Italy
- Istituto Italiano di Tecnologia, IIT - CNI, Laboratorio NEST, piazza S. Silvestro 12, Pisa, 56127, Italy
| | - Alessandro Kovtun
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, (CNR-ISOF), via Gobetti 101, Bologna, 40129, Italy
| | - Fabiola Liscio
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi, (CNR-IMM) - Bologna Unit, via Gobetti 101, Bologna, 40129, Italy
| | - Zhenyuan Xia
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, (CNR-ISOF), via Gobetti 101, Bologna, 40129, Italy
- Chalmers University of Technology, Department of Industrial and Materials Science, Kemivägen 9, Gothenburg, 41296, Sweden
| | - Kyung Ho Kim
- Chalmers University of Technology, Department of Microtechnology and Nanoscience, Kemivägen 9, Gothenburg, 41296, Sweden
- Physics Department, Royal Holloway, University of London, Egham, Surrey, TW20 0EX, UK
| | - Samuel Lara Avila
- Chalmers University of Technology, Department of Microtechnology and Nanoscience, Kemivägen 9, Gothenburg, 41296, Sweden
| | - Sara De Simone
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi, (CNR-IMM) - Roma Unit, via del Fosso del Cavaliere 100, Roma, 00133, Italy
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi, (CNR-IMM) - Lecce Unit, SP Lecce-Monteroni km 1,200, Lecce, 73100, Italy
| | - Valentina Mussi
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi, (CNR-IMM) - Roma Unit, via del Fosso del Cavaliere 100, Roma, 00133, Italy
| | - Carlo Barone
- Dipartimento di Fisica "E.R. Caianiello", Università degli Studi di Salerno, Via Giovanni Paolo II 132, Fisciano, SA, 84084, Italy
- CNR-SPIN Salerno and INFN Gruppo Collegato di Salerno, c/o Università degli Studi di Salerno, Fisciano, SA, 84084, Italy
| | - Sergio Pagano
- Dipartimento di Fisica "E.R. Caianiello", Università degli Studi di Salerno, Via Giovanni Paolo II 132, Fisciano, SA, 84084, Italy
- CNR-SPIN Salerno and INFN Gruppo Collegato di Salerno, c/o Università degli Studi di Salerno, Fisciano, SA, 84084, Italy
| | - Marco Gobbi
- CIC nanoGUNE, Tolosa Hiribidea 76, Donostia - San Sebastian, E-20018, Spain
| | - Paolo Samorì
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, Strasbourg, 67000, France
| | - Marco Affronte
- Dipartimento di Scienze Fisiche, Informatiche e Matematiche (FIM), via Giuseppe Campi 213/a, Modena, 41125, Italy
| | - Andrea Candini
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, (CNR-ISOF), via Gobetti 101, Bologna, 40129, Italy
| | - Vincenzo Palermo
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, (CNR-ISOF), via Gobetti 101, Bologna, 40129, Italy
| | - Andrea Liscio
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi, (CNR-IMM) - Roma Unit, via del Fosso del Cavaliere 100, Roma, 00133, Italy
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6
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Sun J, Martinsen KH, Klement U, Kovtun A, Xia Z, Silva PF, Hryha E, Nyborg L, Palermo V. Controllable Coating Graphene Oxide and Silanes on Cu Particles as Dual Protection for Anticorrosion. ACS Appl Mater Interfaces 2023; 15:38857-38866. [PMID: 37550051 PMCID: PMC10436246 DOI: 10.1021/acsami.3c08042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 07/24/2023] [Indexed: 08/09/2023]
Abstract
Although two-dimensional nanosheets like graphene could be ideal atomic coatings to prevent corrosion, it is still controversial whether they are actually effective due to the presence of parasitic effects such as galvanic corrosion. Here, we reported a reduced graphene oxide (RGO) coating strategy to protect sintered Cu metal powders from corrosion by addressing the common galvanic corrosion issue of graphene. A layer of silane molecules, namely, (3-aminopropyl)triethoxysilane (APTES), is deposited between the surface of Cu particles and the graphene oxide (GO), acting as a primer to enhance adhesion and as an insulating interlayer to prevent the direct contact of the Cu with conductive RGO, mitigating the galvanic corrosion. Due to this core-shell coating, the RGO uniformly distributes in the Cu matrix after sintering, avoiding aggregation of RGO, which takes place in conventional GO-Cu composites. The dual coating of GO and silane results in bulk samples with improved anticorrosion properties, as demonstrated by galvanostatic polarization tests using Tafel analysis. Our development not only provides an efficient synthesis method to controllably coat GO on the surface of Cu but also suggests an alternative strategy to avoid the galvanic corrosion effect of graphene to improve the anticorrosion performance of metal.
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Affiliation(s)
- Jinhua Sun
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Gothenburg SE-41296, Sweden
| | - Kristoffer Harr Martinsen
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Gothenburg SE-41296, Sweden
| | - Uta Klement
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Gothenburg SE-41296, Sweden
| | - Alessandro Kovtun
- Institute
of Organic Synthesis and Photoreactivity (ISOF), CNR, via Gobetti 101, Bologna 40129, Italy
| | - Zhenyuan Xia
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Gothenburg SE-41296, Sweden
| | | | - Eduard Hryha
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Gothenburg SE-41296, Sweden
| | - Lars Nyborg
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Gothenburg SE-41296, Sweden
| | - Vincenzo Palermo
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Gothenburg SE-41296, Sweden
- Institute
of Organic Synthesis and Photoreactivity (ISOF), CNR, via Gobetti 101, Bologna 40129, Italy
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7
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Akamkam A, Fadel G, Legrand T, Furlan V, Dias CB, Van SD, Gaillard M, Vallee A, Andarelli J, Palermo V, Guihaire J. Coronary Angiography During Ex Situ Heart Perfusion: Feasibility and Toxicity in a Porcine Model. J Heart Lung Transplant 2023. [DOI: 10.1016/j.healun.2023.02.875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
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8
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Sun Y, Sun J, Sanchez JS, Xia Z, Xiao L, Chen R, Palermo V. Surface chemistry and structure manipulation of graphene-related materials to address the challenges of electrochemical energy storage. Chem Commun (Camb) 2023; 59:2571-2583. [PMID: 36749576 DOI: 10.1039/d2cc06772b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Energy storage devices are important components in portable electronics, electric vehicles, and the electrical distribution grid. Batteries and supercapacitors have achieved great success as the spearhead of electrochemical energy storage devices, but need to be further developed in order to meet the ever-increasing energy demands, especially attaining higher power and energy density, and longer cycling life. Rational design of electrode materials plays a critical role in developing energy storage systems with higher performance. Graphene, the well-known 2D allotrope of carbon, with a unique structure and excellent properties has been considered a "magic" material with its high energy storage capability, which can not only aid in addressing the issues of the state-of-the-art lithium-ion batteries and supercapacitors, but also be crucial in the so-called post Li-ion battery era covering different technologies, e.g., sodium ion batteries, lithium-sulfur batteries, structural batteries, and hybrid supercapacitors. In this feature article, we provide a comprehensive overview of the strategies developed in our research to create graphene-based composite electrodes with better ionic conductivity, electron mobility, specific surface area, mechanical properties, and device performance than state-of-the-art electrodes. We summarize the strategies of structure manipulation and surface modification with specific focus on tackling the existing challenges in electrodes for batteries and supercapacitors by exploiting the unique properties of graphene-related materials.
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Affiliation(s)
- Yue Sun
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications, Ministry of Education, College of Chemistry and Materials Science, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Jinhua Sun
- Department of Industrial and Materials Science, Chalmers University of Technology, SE-412 96 Göteborg, Sweden.
| | - Jaime S Sanchez
- Electrochemical Processes Unit, IMDEA Energy Institute, Avda. Ramon de la Sagra 3, Parque Tecnologico de Mostoles, 28935, Mostoles, Spain
| | - Zhenyuan Xia
- Department of Industrial and Materials Science, Chalmers University of Technology, SE-412 96 Göteborg, Sweden. .,Institute for Organic Synthesis and Photoreactivity (ISOF), National Research Council of Italy (CNR), Via P. Gobetti 101, I-40129 Bologna, Italy.
| | - Linhong Xiao
- Department of Organismal Biology, Uppsala University, SE-752 36 Uppsala, Sweden
| | - Ruiqi Chen
- Department of Industrial and Materials Science, Chalmers University of Technology, SE-412 96 Göteborg, Sweden.
| | - Vincenzo Palermo
- Department of Industrial and Materials Science, Chalmers University of Technology, SE-412 96 Göteborg, Sweden. .,Institute for Organic Synthesis and Photoreactivity (ISOF), National Research Council of Italy (CNR), Via P. Gobetti 101, I-40129 Bologna, Italy.
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9
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Mantovani S, Khaliha S, Marforio TD, Kovtun A, Favaretto L, Tunioli F, Bianchi A, Petrone G, Liscio A, Palermo V, Calvaresi M, Navacchia ML, Melucci M. Facile high-yield synthesis and purification of lysine-modified graphene oxide for enhanced drinking water purification. Chem Commun (Camb) 2022; 58:9766-9769. [PMID: 35959981 DOI: 10.1039/d2cc03256b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Lysine-covalently modified graphene oxide (GO-Lys) was prepared by an innovative procedure. Lysine brushes promote enhanced adsorption of bisphenol A, benzophenone-4 and carbamazepine contaminants from tap water, with a removal capacity beyond the state of the art.
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Affiliation(s)
- Sebastiano Mantovani
- Consiglio Nazionale delle Ricerche, Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Sara Khaliha
- Consiglio Nazionale delle Ricerche, Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Tainah Dorina Marforio
- Alma Mater Studiorum - University of Bologna, Department of Chemistry 'G. Ciamician', via Selmi 2, 40129 Bologna, Italy
| | - Alessandro Kovtun
- Consiglio Nazionale delle Ricerche, Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Laura Favaretto
- Consiglio Nazionale delle Ricerche, Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Francesca Tunioli
- Consiglio Nazionale delle Ricerche, Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Antonio Bianchi
- Consiglio Nazionale delle Ricerche, Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Gaetana Petrone
- Consiglio Nazionale delle Ricerche, Institute for Microelectronics and Microsystems (CNR-IMM), via del fosso del cavaliere 100, 00133 Roma, Italy
| | - Andrea Liscio
- Consiglio Nazionale delle Ricerche, Institute for Microelectronics and Microsystems (CNR-IMM), via del fosso del cavaliere 100, 00133 Roma, Italy
| | - Vincenzo Palermo
- Consiglio Nazionale delle Ricerche, Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Matteo Calvaresi
- Alma Mater Studiorum - University of Bologna, Department of Chemistry 'G. Ciamician', via Selmi 2, 40129 Bologna, Italy
| | - Maria Luisa Navacchia
- Consiglio Nazionale delle Ricerche, Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Manuela Melucci
- Consiglio Nazionale delle Ricerche, Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) via Piero Gobetti 101, 40129 Bologna, Italy.
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10
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Khaliha S, Bianchi A, Kovtun A, Tunioli F, Boschi A, Zambianchi M, Paci D, Bocchi L, Valsecchi S, Polesello S, Liscio A, Bergamini M, Brunetti M, Luisa Navacchia M, Palermo V, Melucci M. Graphene oxide nanosheets for drinking water purification by tandem adsorption and microfiltration. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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11
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Schifino G, Gasparini C, Drudi S, Giannelli M, Sotgiu G, Posati T, Zamboni R, Treossi E, Maccaferri E, Giorgini L, Mazzarro R, Morandi V, Palermo V, Bertoldo M, Aluigi A. Keratin/Polylactic acid/graphene oxide composite nanofibers for drug delivery. Int J Pharm 2022; 623:121888. [PMID: 35716978 DOI: 10.1016/j.ijpharm.2022.121888] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 05/20/2022] [Accepted: 05/31/2022] [Indexed: 12/18/2022]
Abstract
In this work keratin/poly(lactic acid) (PLA) 50/50 wt blend nanofibers with different loadings of graphene-oxide (GO) were prepared by electrospinning and tested as delivery systems of Rhodamine Blue (RhB), selected as a model of a drug. The effect of GO on the electrospinnability and drug release mechanism and kinetics was investigated. Rheological measurements carried out on the blend solutions revealed unsatisfactory compatibility between keratin and PLA under quiet condition. Accordingly, poor interfacial adhesion between the two phases was observed by SEM analysis of a film prepared by solution casting. On the contrary, keratin chains seem to rearrange under the flux conditions of the electrospinning process thus promoting better interfacial interactions between the two polymers, thereby enhancing their miscibility, which resulted in homogeneous and defect-free nanofibers. The loading of GO into the keratin/PLA solution contributes to increase its viscosity, its shear thinning behavior, and its conductivity. Accordingly, thinner and more homogeneous nanofibers resulted from solutions with a relatively high conductivity coupled with a pronounced shear thinning behavior. FTIR and DSC analyses have underlined, that while the PLA/GO interfacial interactions significantly compete with the PLA/keratin ones, there are no significant effects of GO on the structural organization of keratin in blend with the PLA. However, GO offers several advantages from the application point of view by slightly improving the mechanical properties of the electrospun mats and by slowing down the release of the model drug through the reduction of the matrix swelling.
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Affiliation(s)
- Gioacchino Schifino
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy
| | - Claudio Gasparini
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy
| | - Simone Drudi
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Viale Risorgimento 4, 40136 Bologna, Italy
| | - Marta Giannelli
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy
| | - Giovanna Sotgiu
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy; Kerline srl, Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Tamara Posati
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy
| | - Roberto Zamboni
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy; Kerline srl, Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Emanuele Treossi
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy
| | - Emanuele Maccaferri
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Viale Risorgimento 4, 40136 Bologna, Italy
| | - Loris Giorgini
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Viale Risorgimento 4, 40136 Bologna, Italy
| | - Raffaello Mazzarro
- National Research Council, Institute for Microelectronics and Microsystems, Via Piero Gobetti 101, 40129 Bologna, Italy; Department of Physics and Astronomy, Viale Berti Pichat 6/2, Università di Bologna, 40127 Bologna, Italy
| | - Vittorio Morandi
- National Research Council, Institute for Microelectronics and Microsystems, Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Vincenzo Palermo
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy
| | - Monica Bertoldo
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy; Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, I-44121 Ferrara, Italy.
| | - Annalisa Aluigi
- Institute of Organic Synthesis and Photoreactivity - Italian National Research Council, Via P. Gobetti, 101, 40129 Bologna, Italy; Department of Biomolecular Sciences - School of Pharmacy, University of Urbino, Piazza del Rinascimento 6, 61029 Urbino, Italy; Kerline srl, Via Piero Gobetti 101, 40129 Bologna, Italy.
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12
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Lombardi L, Kovtun A, Mantovani S, Bertuzzi G, Favaretto L, Bettini C, Palermo V, Melucci M, Bandini M. Visible-Light Assisted Covalent Surface Functionalization of Reduced Graphene Oxide Nanosheets with Arylazo Sulfones. Chemistry 2022; 28:e202200333. [PMID: 35319124 DOI: 10.1002/chem.202200333] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Indexed: 01/05/2023]
Abstract
We present an environmentally benign methodology for the covalent functionalization (arylation) of reduced graphene oxide (rGO) nanosheets with arylazo sulfones. A variety of tagged aryl units were conveniently accommodated at the rGO surface via visible-light irradiation of suspensions of carbon nanostructured materials in aqueous media. Mild reaction conditions, absence of photosensitizers, functional group tolerance and high atomic fractions (XPS analysis) represent some of the salient features characterizing the present methodology. Control experiments for the mechanistic elucidation (Raman analysis) and chemical nanomanipulation of the tagged rGO surfaces are also reported.
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Affiliation(s)
- Lorenzo Lombardi
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Selmi 2, 40126, Bologna, Italy.,Center for Chemical Catalysis - C3, Via Selmi 2, 40126, Bologna, Italy
| | - Alessandro Kovtun
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Sebastiano Mantovani
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Giulio Bertuzzi
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Selmi 2, 40126, Bologna, Italy.,Center for Chemical Catalysis - C3, Via Selmi 2, 40126, Bologna, Italy
| | - Laura Favaretto
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Cristian Bettini
- Center for Chemical Catalysis - C3, Via Selmi 2, 40126, Bologna, Italy
| | - Vincenzo Palermo
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Manuela Melucci
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Marco Bandini
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Selmi 2, 40126, Bologna, Italy.,Center for Chemical Catalysis - C3, Via Selmi 2, 40126, Bologna, Italy
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13
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Sanchez JS, Xia Z, Patil N, Grieco R, Sun J, Klement U, Qiu R, Christian M, Liscio F, Morandi V, Marcilla R, Palermo V. All-Electrochemical Nanofabrication of Stacked Ternary Metal Sulfide/Graphene Electrodes for High-Performance Alkaline Batteries. Small 2022; 18:e2106403. [PMID: 35274455 DOI: 10.1002/smll.202106403] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 01/19/2022] [Indexed: 06/14/2023]
Abstract
Energy-storage materials can be assembled directly on the electrodes of a battery using electrochemical methods, this allowing sequential deposition, high structural control, and low cost. Here, a two-step approach combining electrophoretic deposition (EPD) and cathodic electrodeposition (CED) is demonstrated to fabricate multilayer hierarchical electrodes of reduced graphene oxide (rGO) and mixed transition metal sulfides (NiCoMnSx ). The process is performed directly on conductive electrodes applying a small electric bias to electro-deposit rGO and NiCoMnSx in alternated cycles, yielding an ideal porous network and a continuous path for transport of ions and electrons. A fully rechargeable alkaline battery (RAB) assembled with such electrodes gives maximum energy density of 97.2 Wh kg-1 and maximum power density of 3.1 kW kg-1 , calculated on the total mass of active materials, and outstanding cycling stability (retention 72% after 7000 charge/discharge cycles at 10 A g-1 ). When the total electrode mass of the cell is considered, the authors achieve an unprecedented gravimetric energy density of 68.5 Wh kg-1 , sevenfold higher than that of typical commercial supercapacitors, higher than that of Ni/Cd or lead-acid Batteries and similar to Ni-MH Batteries. The approach can be used to assemble multilayer composite structures on arbitrary electrode shapes.
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Affiliation(s)
- Jaime S Sanchez
- Industrial and Materials Science, Chalmers University of Technology, Göteborg, 41258, Sweden
- Electrochemical Processes Unit, IMDEA Energy Institute, Móstoles, 28935, Spain
| | - Zhenyuan Xia
- Industrial and Materials Science, Chalmers University of Technology, Göteborg, 41258, Sweden
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, Bologna, 40129, Italy
| | - Nagaraj Patil
- Electrochemical Processes Unit, IMDEA Energy Institute, Móstoles, 28935, Spain
| | - Rebecca Grieco
- Electrochemical Processes Unit, IMDEA Energy Institute, Móstoles, 28935, Spain
| | - Jinhua Sun
- Industrial and Materials Science, Chalmers University of Technology, Göteborg, 41258, Sweden
| | - Uta Klement
- Industrial and Materials Science, Chalmers University of Technology, Göteborg, 41258, Sweden
| | - Ren Qiu
- Department of Physics, Chalmers University of Technology, Göteborg, 41258, Sweden
| | - Meganne Christian
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e i Microsistemi, Bologna, 40129, Italy
| | - Fabiola Liscio
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e i Microsistemi, Bologna, 40129, Italy
| | - Vittorio Morandi
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e i Microsistemi, Bologna, 40129, Italy
| | - Rebeca Marcilla
- Electrochemical Processes Unit, IMDEA Energy Institute, Móstoles, 28935, Spain
| | - Vincenzo Palermo
- Industrial and Materials Science, Chalmers University of Technology, Göteborg, 41258, Sweden
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, Bologna, 40129, Italy
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14
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Fusco L, Orecchioni M, Reina G, Bordoni V, Fuoco C, Gurcan C, Guo S, Zoccheddu M, Collino F, Zavan B, Treossi E, Yilmazer A, Palermo V, Bianco A, Delogu LG. Lateral dimension and amino-functionalization on the balance to assess the single-cell toxicity of graphene on fifteen immune cell types. NanoImpact 2021; 23:100330. [PMID: 35559831 DOI: 10.1016/j.impact.2021.100330] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 05/14/2021] [Accepted: 05/31/2021] [Indexed: 06/15/2023]
Abstract
Given the wide variety of potential applications of graphene oxide (GO), its consequent release into the environment poses serious concerns on its safety. The future production and exploitation of graphene in the years to come should be guided by its specific chemical-physical characteristics. The unparalleled potential of single-cell mass cytometry (CyTOF) to dissect by high-dimensionality the specific immunological effects of nanomaterials, represents a turning point in nanotoxicology. It helps us to identify the safe graphene in terms of physical-chemical properties and therefore to direct its future safe production. Here we present a high-dimensional study to evaluate two historically indicated as key parameters for the safe exploitation: functionalization and dimension. The role of lateral dimension and the amino-functionalization of GO on their immune impact were here evaluated as synergistic players. To this end, we dissected the effects of GO, characterized by a large or small lateral size (GO 1.32 μm and GO 0.13 μm, respectively), and its amino-functionalized counterpart (GONH2 1.32 μm and GONH2 0.13 μm, respectively) on fifteen cell types of human primary peripheral blood mononuclear cells (PBMCs). We describe how the smallest later size not only evokes pronounced toxicity on the pool of PBMCs compared to larger GOs but also towards the distinct immune cell subpopulations, in particular on non-classical monocytes, plasmacytoid dendritic cells (pDCs), natural killer cells (NKs) and B cells. The amino-functionalization was able to improve the biocompatibility of classical and non-classical monocytes, pDCs, NKs, and B cells. Detailed single-cell analysis further revealed a complex interaction of all GOs with the immune cells, and in particular monocyte subpopulations, with different potency depending on their physicochemical properties. Overall, by high-dimensional profiling, our study demonstrates that the lateral dimension is an important factor modulating immune cells and specifically monocyte activation, but a proper surface functionalization is the dominant characteristic in its immune effects. In particular, the amino-functionalization can critically modify graphene impact dampening the immune cell activation. Our study can serve as a guide for the future broad production and use of graphene in our everyday life.
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Affiliation(s)
- Laura Fusco
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Marco Orecchioni
- La Jolla Institute for Immunology, La Jolla, CA, USA; Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy
| | - Giacomo Reina
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, University of Strasbourg, ISIS, Strasbourg, France
| | - Valentina Bordoni
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy
| | - Claudia Fuoco
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Cansu Gurcan
- Department of Biomedical Engineering, Ankara University, Ankara, Turkey; Stem Cell Institute, Ankara University, Ankara, Turkey
| | - Shi Guo
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, University of Strasbourg, ISIS, Strasbourg, France
| | - Martina Zoccheddu
- Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy
| | - Federica Collino
- Department of Biomedical Sciences, University of Padua, Padua, Italy; Department of Clinical Sciences and Community Health, University of Milano, Milan, Italy
| | - Barbara Zavan
- Department of Biomedical Sciences, University of Padua, Padua, Italy; Department of Medical Sciences, University of Ferrara, Ferrara, Italy; Maria Cecilia Hospital, GVM Care & Research, Ravenna, Italy
| | | | - Acelya Yilmazer
- Department of Biomedical Engineering, Ankara University, Ankara, Turkey; Stem Cell Institute, Ankara University, Ankara, Turkey
| | | | - Alberto Bianco
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, University of Strasbourg, ISIS, Strasbourg, France.
| | - Lucia Gemma Delogu
- Department of Biomedical Sciences, University of Padua, Padua, Italy; Department of Chemistry and Pharmacy, University of Sassari, Sassari, Italy.
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15
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Östergren I, Pourrahimi AM, Darmadi I, da Silva R, Stolaś A, Lerch S, Berke B, Guizar-Sicairos M, Liebi M, Foli G, Palermo V, Minelli M, Moth-Poulsen K, Langhammer C, Müller C. Highly Permeable Fluorinated Polymer Nanocomposites for Plasmonic Hydrogen Sensing. ACS Appl Mater Interfaces 2021; 13:21724-21732. [PMID: 33909392 PMCID: PMC8289187 DOI: 10.1021/acsami.1c01968] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Hydrogen (H2) sensors that can be produced en masse with cost-effective manufacturing tools are critical for enabling safety in the emerging hydrogen economy. The use of melt-processed nanocomposites in this context would allow the combination of the advantages of plasmonic hydrogen detection with polymer technology; an approach which is held back by the slow diffusion of H2 through the polymer matrix. Here, we show that the use of an amorphous fluorinated polymer, compounded with colloidal Pd nanoparticles prepared by highly scalable continuous flow synthesis, results in nanocomposites that display a high H2 diffusion coefficient in the order of 10-5 cm2 s-1. As a result, plasmonic optical hydrogen detection with melt-pressed fluorinated polymer nanocomposites is no longer limited by the diffusion of the H2 analyte to the Pd nanoparticle transducer elements, despite a thickness of up to 100 μm, thereby enabling response times as short as 2.5 s at 100 mbar (≡10 vol. %) H2. Evidently, plasmonic sensors with a fast response time can be fabricated with thick, melt-processed nanocomposites, which paves the way for a new generation of robust H2 sensors.
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Affiliation(s)
- Ida Östergren
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, Göteborg 412 96, Sweden
| | - Amir Masoud Pourrahimi
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, Göteborg 412 96, Sweden
| | - Iwan Darmadi
- Department
of Physics, Chalmers University of Technology, Göteborg 412 96, Sweden
| | - Robson da Silva
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, Göteborg 412 96, Sweden
| | - Alicja Stolaś
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, Göteborg 412 96, Sweden
| | - Sarah Lerch
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, Göteborg 412 96, Sweden
| | - Barbara Berke
- Department
of Physics, Chalmers University of Technology, Göteborg 412 96, Sweden
| | | | - Marianne Liebi
- Department
of Physics, Chalmers University of Technology, Göteborg 412 96, Sweden
| | - Giacomo Foli
- Institute
of Organic Synthesis and Photoreactivity, National Research Council, Bologna 40129, Italy
| | - Vincenzo Palermo
- Institute
of Organic Synthesis and Photoreactivity, National Research Council, Bologna 40129, Italy
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Göteborg 412 96, Sweden
| | - Matteo Minelli
- Department
of Civil, Chemical, Environmental and Materials Engineering, Alma Mater Studiorum—University of Bologna, Bologna 40131, Italy
| | - Kasper Moth-Poulsen
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, Göteborg 412 96, Sweden
| | - Christoph Langhammer
- Department
of Physics, Chalmers University of Technology, Göteborg 412 96, Sweden
| | - Christian Müller
- Department
of Chemistry and Chemical Engineering, Chalmers
University of Technology, Göteborg 412 96, Sweden
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16
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Sun J, Sadd M, Edenborg P, Grönbeck H, Thiesen PH, Xia Z, Quintano V, Qiu R, Matic A, Palermo V. Real-time imaging of Na + reversible intercalation in "Janus" graphene stacks for battery applications. Sci Adv 2021; 7:7/22/eabf0812. [PMID: 34049889 PMCID: PMC8163079 DOI: 10.1126/sciadv.abf0812] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 04/09/2021] [Indexed: 05/22/2023]
Abstract
Sodium, in contrast to other metals, cannot intercalate in graphite, hindering the use of this cheap, abundant element in rechargeable batteries. Here, we report a nanometric graphite-like anode for Na+ storage, formed by stacked graphene sheets functionalized only on one side, termed Janus graphene. The asymmetric functionalization allows reversible intercalation of Na+, as monitored by operando Raman spectroelectrochemistry and visualized by imaging ellipsometry. Our Janus graphene has uniform pore size, controllable functionalization density, and few edges; it can store Na+ differently from graphite and stacked graphene. Density functional theory calculations demonstrate that Na+ preferably rests close to -NH2 group forming synergic ionic bonds to graphene, making the interaction process energetically favorable. The estimated sodium storage up to C6.9Na is comparable to graphite for standard lithium ion batteries. Given such encouraging Na+ reversible intercalation behavior, our approach provides a way to design carbon-based materials for sodium ion batteries.
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Affiliation(s)
- Jinhua Sun
- Materials and Manufacture, Department of Industrial and Materials Science, Chalmers University of Technology, Göteborg, Sweden
| | - Matthew Sadd
- Materials Physics, Department of Physics, Chalmers University of Technology, Göteborg, Sweden
| | - Philip Edenborg
- Department of Physics and Competence Centre for Catalysis, Chalmers University of Technology, 412 96 Göteborg, Sweden
| | - Henrik Grönbeck
- Department of Physics and Competence Centre for Catalysis, Chalmers University of Technology, 412 96 Göteborg, Sweden
| | - Peter H Thiesen
- Accurion GmbH, Stresemannstraße 30, Göttingen 37079, Germany
| | - Zhenyuan Xia
- Materials and Manufacture, Department of Industrial and Materials Science, Chalmers University of Technology, Göteborg, Sweden
| | - Vanesa Quintano
- Institute of Organic Synthesis and Photoreactivity (ISOF), National Research Council of Italy (CNR), Via P. Gobetti 101, I-40129 Bologna, Italy
| | - Ren Qiu
- Microstructure Physics, Department of Physics, Chalmers University of Technology, Göteborg, Sweden
| | - Aleksandar Matic
- Materials Physics, Department of Physics, Chalmers University of Technology, Göteborg, Sweden
| | - Vincenzo Palermo
- Materials and Manufacture, Department of Industrial and Materials Science, Chalmers University of Technology, Göteborg, Sweden.
- Institute of Organic Synthesis and Photoreactivity (ISOF), National Research Council of Italy (CNR), Via P. Gobetti 101, I-40129 Bologna, Italy
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17
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Mantovani S, Khaliha S, Favaretto L, Bettini C, Bianchi A, Kovtun A, Zambianchi M, Gazzano M, Casentini B, Palermo V, Melucci M. Scalable synthesis and purification of functionalized graphene nanosheets for water remediation. Chem Commun (Camb) 2021; 57:3765-3768. [PMID: 33730139 DOI: 10.1039/d1cc00704a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Microwave (MW) accelerated synthesis combined with microfiltration (MF) on commercial hollow fiber modules enables fast and scalable preparation of highly pure modified graphene oxide nanosheets. The MW-MF procedure is demonstrated on polyethylenimine (PEI) modified GO, and the so-obtained GOPEI is used for simultaneous removal of arsenic and lead from water.
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Affiliation(s)
- Sebastiano Mantovani
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
| | - Sara Khaliha
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
| | - Laura Favaretto
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
| | - Cristian Bettini
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
| | - Antonio Bianchi
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
| | - Alessandro Kovtun
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
| | - Massimo Zambianchi
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
| | - Massimo Gazzano
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
| | - Barbara Casentini
- Consiglio Nazionale delle Ricerche-Water Research Institute (CNR-IRSA), Via Salaria Km 29,300 C. P, 10-00015, Italy
| | - Vincenzo Palermo
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
| | - Manuela Melucci
- Institute of Organic Synthesis and Photoreactivity (CNR-ISOF) Via Piero Gobetti 101, 40129, Bologna, Italy.
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18
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Bonnet G, Panagides V, Becker M, Rivière N, Yvorel C, Deney A, Lattuca B, Duband B, Moussa K, Juenin L, Pamart T, Semaan C, Uhry S, Noirclerc N, Vincent F, Vignac M, Palermo V, Martin AS, Zeitouni M, Van Belle E, Tirouvanziam A, Manchuelle A, Chamandi C, Kerneis M, Boukantar M, Belle L, De Poli F, Angoulvant D, Meneveau N, Robin M, Pansieri M, Bonello L, Motreff P, Bouisset F, Isaaz K, Cetran L, Khalife K, Lesizza P, Adjedj J, Benamer H, Cayla G. ST-segment elevation myocardial infarction: Management and association with prognosis during the COVID-19 pandemic in France. Arch Cardiovasc Dis 2021; 114:340-351. [PMID: 33926830 PMCID: PMC9056233 DOI: 10.1016/j.acvd.2021.01.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 01/11/2021] [Accepted: 01/18/2021] [Indexed: 12/27/2022]
Abstract
BACKGROUND Systems of care have been challenged to control progression of the COVID-19 pandemic. Whether this has been associated with delayed reperfusion and worse outcomes in French patients with ST-segment elevation myocardial infarction (STEMI) is unknown. AIM To compare the rate of STEMI admissions, treatment delays, and outcomes between the first peak of the COVID-19 pandemic in France and the equivalent period in 2019. METHODS In this nationwide French survey, data from consecutive STEMI patients from 65 centres referred for urgent revascularization between 1 March and 31 May 2020, and between 1 March and 31 May 2019, were analysed. The primary outcome was a composite of in-hospital death or non-fatal mechanical complications of acute myocardial infarction. RESULTS A total of 6306 patients were included. During the pandemic peak, a 13.9±6.6% (P=0.003) decrease in STEMI admissions per week was observed. Delays between symptom onset and percutaneous coronary intervention were longer in 2020 versus 2019 (270 [interquartile range 150-705] vs 245 [140-646]min; P=0.013), driven by the increase in time from symptom onset to first medical contact (121 [60-360] vs 150 [62-420]min; P=0.002). During 2020, a greater number of mechanical complications was observed (0.9% vs 1.7%; P=0.029) leading to a significant difference in the primary outcome (112 patients [5.6%] in 2019 vs 129 [7.6%] in 2020; P=0.018). No significant difference was observed in rates of orotracheal intubation, in-hospital cardiac arrest, ventricular arrhythmias and cardiogenic shock. CONCLUSIONS During the first peak of the COVID-19 pandemic in France, there was a decrease in STEMI admissions, associated with longer ischaemic time, exclusively driven by an increase in patient-related delays and an increase in mechanical complications. These findings suggest the need to encourage the population to seek medical help in case of symptoms.
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Affiliation(s)
- Guillaume Bonnet
- Université de Paris, Paris Cardiovascular Research Center (PARCC), INSERM, UMR-S970, 75015 Paris, France
| | - Vassili Panagides
- Aix-Marseille University, Assistance Publique-Hôpitaux de Marseille, Hôpital Nord, 13015 Marseille, France
| | - Mathieu Becker
- CHR Metz -Thionville, Metz Hôpital de Mercy, 57530 Metz, France
| | - Nicolas Rivière
- University of Bordeaux, Cardio-thoracic intensive care unit, CHU de Bordeaux, 33600 Pessac, France
| | - Cédric Yvorel
- Cardiology Department, CHU de Saint Etienne, 42270 Saint Priest-en-Jarez, France
| | - Antoine Deney
- Cardiology Department, Rangueil University Hospital, 31400 Toulouse, France
| | - Benoit Lattuca
- Cardiology Department, Nimes University Hospital, Montpellier University, 30029 Nîmes, France
| | - Benjamin Duband
- Cardiology Department, University Hospital Gabriel Montpied, 63000 Clermont-Ferrand, France
| | - Karim Moussa
- Cardiology Department, Avignon Hôpital Center, 84140 Avignon, France
| | - Léa Juenin
- Cardiology Department, University Hospital of Montpellier, University of Montpellier, 34000 Montpellier, France
| | - Thibault Pamart
- University of Burgundy Franche-Comté, EA3920, University Hospital Besancon, 25000 Besançon, France
| | - Carl Semaan
- Cardiology Department, University Hospital of Tours, 37000 Tours, France
| | - Sabrina Uhry
- Cardiology Department, CH de Haguenau, 67500 Haguenau, France
| | | | | | - Maxime Vignac
- Université de Paris, Paris Cardiovascular Research Center (PARCC), INSERM, UMR-S970, 75015 Paris, France
| | - Vincenzo Palermo
- Cardiology Department, Marie Lannelongue Hospital, 92350 Le Plessis-Robinson, France
| | - Anne Sophie Martin
- CHU Henri Mondor, Service de cardiologie interventionnelle, AP-HP, 94010 Créteil, France
| | - Michel Zeitouni
- Sorbonne Université, ACTION Study Group, INSERM UMRS1166, Hôpital Pitié-Salpêtrière (AP-HP), 75013 Paris, France
| | | | | | | | - Chekrallah Chamandi
- Cardiology Department, Hôpital Européen Georges Pompidou, Assistance Publique Hôpitaux de Paris, Université de Paris, INSERM U970, 75015 Paris, France
| | - Mathieu Kerneis
- Sorbonne Université, ACTION Study Group, INSERM UMRS1166, Hôpital Pitié-Salpêtrière (AP-HP), 75013 Paris, France
| | - Madjid Boukantar
- CHU Henri Mondor, Service de cardiologie interventionnelle, AP-HP, 94010 Créteil, France
| | - Loïc Belle
- Centre Hospitalier Annecy Genevois, 74370 Epagny Metz-Tessy, France
| | - Fabien De Poli
- Cardiology Department, CH de Haguenau, 67500 Haguenau, France
| | - Denis Angoulvant
- Cardiology Department, University Hospital of Tours, 37000 Tours, France
| | - Nicolas Meneveau
- University of Burgundy Franche-Comté, EA3920, University Hospital Besancon, 25000 Besançon, France
| | - Marie Robin
- Cardiology Department, University Hospital of Montpellier, University of Montpellier, 34000 Montpellier, France
| | - Michel Pansieri
- Cardiology Department, Avignon Hôpital Center, 84140 Avignon, France
| | - Laurent Bonello
- Aix-Marseille University, Assistance Publique-Hôpitaux de Marseille, Hôpital Nord, 13015 Marseille, France
| | - Pascal Motreff
- Cardiology Department, University Hospital Gabriel Montpied, 63000 Clermont-Ferrand, France
| | - Frédéric Bouisset
- Cardiology Department, Rangueil University Hospital, 31400 Toulouse, France; Department of Epidemiology, INSERM UMR 1027, 31000 Toulouse, France
| | - Karl Isaaz
- Cardiology Department, CHU de Saint Etienne, 42270 Saint Priest-en-Jarez, France
| | - Laura Cetran
- University of Bordeaux, Cardio-thoracic intensive care unit, CHU de Bordeaux, 33600 Pessac, France
| | - Khalifé Khalife
- CHR Metz -Thionville, Metz Hôpital de Mercy, 57530 Metz, France
| | | | - Julien Adjedj
- Arnaud Tzanck Institute, 06700 Saint Laurent du Var, France
| | - Hakim Benamer
- Institut Jacques Cartier, Ramsay Générale de Santé, ICPS, 91300 Massy, France
| | - Guillaume Cayla
- Cardiology Department, Nimes University Hospital, Montpellier University, 30029 Nîmes, France.
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Kovtun A, Bianchi A, Zambianchi M, Bettini C, Corticelli F, Ruani G, Bocchi L, Stante F, Gazzano M, Marforio TD, Calvaresi M, Minelli M, Navacchia ML, Palermo V, Melucci M. Core-shell graphene oxide-polymer hollow fibers as water filters with enhanced performance and selectivity. Faraday Discuss 2021; 227:274-290. [PMID: 33300505 DOI: 10.1039/c9fd00117d] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
Commercial hollow fiber filters for micro- and ultrafiltration are based on size exclusion and do not allow the removal of small molecules such as antibiotics. Here, we demonstrate that a graphene oxide (GO) layer can be firmly immobilized either inside or outside polyethersulfone-polyvinylpyrrolidone hollow fiber (Versatile PES®, hereafter PES) modules and that the resulting core-shell fibers inherits the microfiltration ability of the pristine PES fibers and the adsorption selectivity of GO. GO nanosheets were deposited on the fiber surface by filtration of a GO suspension through a PES cartridge (cut-off 0.1-0.2 μm), then fixed by thermal annealing at 80 °C, rendering the GO coating stably fixed and unsoluble. The filtration cut-off, retention selectivity and efficiency of the resulting inner and outer modified hollow fibers (HF-GO) were tested by performing filtration on water and bovine plasma spiked with bovine serum albumin (BSA, 66 kDa, ≈15 nm size), monodisperse polystyrene nanoparticles (52 nm and 303 nm sizes), with two quinolonic antibiotics (ciprofloxacin and ofloxacin) and rhodamine B (RhB). These tests showed that the microfiltration capability of PES was retained by HF-GO, and in addition the GO coating can capture the molecular contaminants while letting through BSA and smaller polystyrene nanoparticles. Combined XRD, molecular modelling and adsorption experiments show that the separation mechanism does not rely only on physical size exclusion, but involves intercalation of solute molecules between the GO layers.
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Affiliation(s)
- Alessandro Kovtun
- Consiglio Nazionale delle Ricerche-Institute of Organic Synthesis and Photoreactivity (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
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20
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Sun J, Hwang JY, Jankowski P, Xiao L, Sanchez JS, Xia Z, Lee S, Talyzin AV, Matic A, Palermo V, Sun YK, Agostini M. Critical Role of Functional Groups Containing N, S, and O on Graphene Surface for Stable and Fast Charging Li-S Batteries. Small 2021; 17:e2007242. [PMID: 33719216 DOI: 10.1002/smll.202007242] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/25/2021] [Indexed: 06/12/2023]
Abstract
Lithium-sulfur (Li-S) batteries are considered one of the most promising energy storage technologies, possibly replacing the state-of-the-art lithium-ion (Li-ion) batteries owing to their high energy density, low cost, and eco-compatibility. However, the migration of high-order lithium polysulfides (LiPs) to the lithium surface and the sluggish electrochemical kinetics pose challenges to their commercialization. The interactions between the cathode and LiPs can be enhanced by the doping of the carbon host with heteroatoms, however with relatively low doping content (<10%) in the bulk of the carbon, which can hardly interact with LiPs at the host surface. In this study, the grafting of versatile functional groups with designable properties (e.g., catalytic effects) directly on the surface of the carbon host is proposed to enhance interactions with LiPs. As model systems, benzene groups containing N/O and S/O atoms are vertically grafted and uniformly distributed on the surface of expanded reduced graphene oxide, fostering a stable interface between the cathode and LiPs. The combination of experiments and density functional theory calculations demonstrate improvements in chemical interactions between graphene and LiPs, with an enhancement in the electrochemical kinetics, power, and energy densities.
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Affiliation(s)
- Jinhua Sun
- Department of Industrial and Materials Science, Chalmers University of Technology, Göteborg, 41296, Sweden
| | - Jang-Yeon Hwang
- Department of Materials Science and Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, South Korea
| | - Piotr Jankowski
- Faculty of Chemistry, Warsaw University of Technology, Warsaw, 00-664, Poland
- Department of Energy Conversion and Storage, Technical University of Denmark, Kgs. Lyngby, 2800, Denmark
| | - Linhong Xiao
- Department of Chemistry, Umeå University, Umeå, 90187, Sweden
| | - Jaime S Sanchez
- Department of Industrial and Materials Science, Chalmers University of Technology, Göteborg, 41296, Sweden
| | - Zhenyuan Xia
- Department of Industrial and Materials Science, Chalmers University of Technology, Göteborg, 41296, Sweden
- Institute of Organic Synthesis and Photoreactivity (ISOF), CNR, via Gobetti 101, Bologna, 40129, Italy
| | - Suyeong Lee
- Department of Materials Science and Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, South Korea
| | | | - Aleksandar Matic
- Department of Physics, Chalmers University of Technology, Göteborg, 41296, Sweden
| | - Vincenzo Palermo
- Department of Industrial and Materials Science, Chalmers University of Technology, Göteborg, 41296, Sweden
- Institute of Organic Synthesis and Photoreactivity (ISOF), CNR, via Gobetti 101, Bologna, 40129, Italy
| | - Yang-Kook Sun
- Department of Energy Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Marco Agostini
- Department of Physics, Chalmers University of Technology, Göteborg, 41296, Sweden
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21
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Xia Z, Bellani V, Sun J, Palermo V. Electrochemical exfoliation of graphite in H 2SO 4, Li 2SO 4 and NaClO 4 solutions monitored in situ by Raman microscopy and spectroscopy. Faraday Discuss 2021; 227:291-305. [PMID: 33346768 DOI: 10.1039/c9fd00123a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The electrochemical exfoliation of graphite is one of the cheapest and most tunable industrial techniques to produce graphene nanosheets with a tunable degree of oxidation and solubility. Anodic oxidation allows high-yield production of electrochemically exfoliated graphene oxide (EGO) in either acid or salt solutions, with the key role played by ions electrochemically driven in between the graphene sheets. This chemical intercalation is followed by a mesoscale mechanical exfoliation process, which is key for the high yield of the process, but which is still poorly understood. In this work, we use Raman spectroscopy to simultaneously monitor the intercalation and oxidation processes taking place on the surface of highly ordered pyrolytic graphite (HOPG) during electrochemical exfoliation. The mechanism of EGO formation in either acidic (0.5 M H2SO4) or neutral (0.5 M Li2SO4) electrolytes through blistering and cracking steps is discussed and described. This process is also compared to the non-destructive intercalation of graphite in an organic electrolyte (1 M NaClO4 in acetonitrile). The results obtained show how high exfoliation yield and low defectivity can be achieved by the combination of efficient, non-destructive intercalation followed by chemical decomposition of the intercalants and gas production.
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Affiliation(s)
- Zhenyuan Xia
- Industrial and Materials Science, Chalmers University of Technology, Hörsalsvägen 7B, 41258 Göteborg, Sweden
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22
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Backes C, Bartus S, Casiraghi C, Ferrari A, Kamali AR, Kolíbal M, Kumar V, Molle A, Oyarzun A, Palermo V, Sengupta A, Silvestri A, Zhang H. Applications in opto-electronics: general discussion. Faraday Discuss 2021; 227:184-188. [PMID: 33877207 DOI: 10.1039/d1fd90006d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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23
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Backes C, Bianco A, Casiraghi C, Galembeck F, Gupta RK, Hersam MC, Kamali AR, Kolíbal M, Kolosov V, Kumar V, Lee WH, Martsinovich N, Melchionna M, Müllen K, Oyarzun A, Palermo V, Prato M, Samori P, Sampath S, Silvestri A, Sirbu D, Sui R, Turchanin A, Wetzl C, Wright IA, Xia Z, Zhuang X. 2D materials production and generation of functional inks: general discussion. Faraday Discuss 2021; 227:141-162. [PMID: 33877206 DOI: 10.1039/d1fd90002a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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24
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Backes C, Behera RK, Bianco A, Casiraghi C, Doan H, Criado A, Galembeck F, Goldie S, Gravagnuolo AM, Hou HL, Kamali AR, Kostarelos K, Kumar V, Lee WH, Martsinovich N, Palermo V, Palma M, Pang J, Prato M, Samori P, Silvestri A, Singh S, Strano M, Wetzl C. Biomedical applications: general discussion. Faraday Discuss 2021; 227:245-258. [PMID: 33877208 DOI: 10.1039/d1fd90003j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Backes C, Behera RK, Bellamy-Carter A, Bianco A, Caps V, Casiraghi C, Chhowalla M, Criado A, Davies T, Ferrari AC, Fornasaro S, Galembeck F, Goldie S, Hersam MC, Kamali AR, Kolosov V, Kumar V, Lee WH, Martsinovich N, Melchionna M, Melucci M, Molle A, Morgan H, Neumann C, Nowack T, Oyarzun A, Palermo V, Papanai GS, Prato M, Shin Y, Sui R, Teixeira IF, Wang G, Xia Z. 3-Dimensional graphene-like structures and applications: general discussion. Faraday Discuss 2021; 227:359-382. [PMID: 33877209 DOI: 10.1039/d1fd90007b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Abstract
Graphene nanosheets are mechanically strong but flexible, electrically conductive and bio-compatible. Thus, due to these unique properties, they are being intensively studied as materials for the next generation of neural interfaces. Most of the literature focused on optimizing the interface between these materials and neurons. However, one of the most common causes of implant failure is the adverse inflammatory reaction of glial cells. These cells are not, as previously considered, just passive and supportive cells, but play a crucial role in the physiology and pathology of the nervous system, and in the interaction with implanted electrodes. Besides providing structural support to neurons, glia are responsible for the modulation of synaptic transmission and control of central and peripheral homeostasis. Accordingly, knowledge on the interaction between glia and biomaterials is essential to develop new implant-based therapies for the treatment of neurological disorders, such as epilepsy, brain tumours, and Alzheimer's and Parkinson's disease. This work provides an overview of the emerging literature on the interaction of graphene-based materials with glial cells, together with a complete description of the different types of glial cells and problems associated with them. We believe that this description will be important for researchers working in materials science and nanotechnology to develop new active materials to interface, measure and stimulate these cells.
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Affiliation(s)
- Roberta Fabbri
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
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27
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Kovtun A, Candini A, Vianelli A, Boschi A, Dell'Elce S, Gobbi M, Kim KH, Lara Avila S, Samorì P, Affronte M, Liscio A, Palermo V. Multiscale Charge Transport in van der Waals Thin Films: Reduced Graphene Oxide as a Case Study. ACS Nano 2021; 15:2654-2667. [PMID: 33464821 DOI: 10.1021/acsnano.0c07771] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Large area van der Waals (vdW) thin films are assembled materials consisting of a network of randomly stacked nanosheets. The multiscale structure and the two-dimensional (2D) nature of the building block mean that interfaces naturally play a crucial role in the charge transport of such thin films. While single or few stacked nanosheets (i.e., vdW heterostructures) have been the subject of intensive works, little is known about how charges travel through multilayered, more disordered networks. Here, we report a comprehensive study of a prototypical system given by networks of randomly stacked reduced graphene oxide 2D nanosheets, whose chemical and geometrical properties can be controlled independently, permitting to explore percolated networks ranging from a single nanosheet to some billions with room-temperature resistivity spanning from 10-5 to 10-1 Ω·m. We systematically observe a clear transition between two different regimes at a critical temperature T*: Efros-Shklovskii variable-range hopping (ES-VRH) below T* and power law behavior above. First, we demonstrate that the two regimes are strongly correlated with each other, both depending on the charge localization length ξ, calculated by the ES-VRH model, which corresponds to the characteristic size of overlapping sp2 domains belonging to different nanosheets. Thus, we propose a microscopic model describing the charge transport as a geometrical phase transition, given by the metal-insulator transition associated with the percolation of quasi-one-dimensional nanofillers with length ξ, showing that the charge transport behavior of the networks is valid for all geometries and defects of the nanosheets, ultimately suggesting a generalized description on vdW and disordered thin films.
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Affiliation(s)
- Alessandro Kovtun
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, (CNR-ISOF), via Gobetti 101, 40129 Bologna, Italy
| | - Andrea Candini
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, (CNR-ISOF), via Gobetti 101, 40129 Bologna, Italy
| | - Anna Vianelli
- MISTER Smart Innovation, via Gobetti 101, 40129 Bologna, Italy
| | - Alex Boschi
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, (CNR-ISOF), via Gobetti 101, 40129 Bologna, Italy
| | | | - Marco Gobbi
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, 67000 Strasbourg, France
- CIC nanoGUNE BRTA, Tolosa Hiribidea 76, 20018 Donostia-San Sebastian, Spain
- IKERBASQUE, Basque Foundation for Science, Plaza Euskadi 5, 48009 Bilbao, Spain
| | - Kyung Ho Kim
- Department of Microtechnology and Nanoscience, Chalmers University of Technology, Kemivägen 9, 41296 Gothenburg, Sweden
- Physics Department, Royal Holloway, University of London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom
| | - Samuel Lara Avila
- Department of Microtechnology and Nanoscience, Chalmers University of Technology, Kemivägen 9, 41296 Gothenburg, Sweden
| | - Paolo Samorì
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Marco Affronte
- Dipartimento di Scienze Fisiche, Informatiche e Matematiche (FIM), via Giuseppe Campi 213/a, 41125 Modena, Italy
| | - Andrea Liscio
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi (CNR-IMM), via del Fosso del Cavaliere 100, 00133 Roma, Italy
| | - Vincenzo Palermo
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività, (CNR-ISOF), via Gobetti 101, 40129 Bologna, Italy
- Department of Industrial and Materials Science, Chalmers University of Technology, Hörsalvägen 7, 41296 Gothenburg, Sweden
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28
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Xia Z, Mishukova V, Sollami Delekta S, Sun J, Sanchez JS, Li J, Palermo V. Selective deposition of metal oxide nanoflakes on graphene electrodes to obtain high-performance asymmetric micro-supercapacitors. Nanoscale 2021; 13:3285-3294. [PMID: 33533790 DOI: 10.1039/d0nr07076a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
To meet the charging market demands of portable microelectronics, there has been a growing interest in high performance and low-cost microscale energy storage devices with excellent flexibility and cycling durability. Herein, interdigitated all-solid-state flexible asymmetric micro-supercapacitors (A-MSCs) were fabricated by a facile pulse current deposition (PCD) approach. Mesoporous Fe2O3 and MnO2 nanoflakes were functionally coated by electrodeposition on inkjet-printed graphene patterns as negative and positive electrodes, respectively. Our PCD approach shows significantly improved adhesion of nanostructured metal oxide with crack-free and homogeneous features, as compared with other reported electrodeposition approaches. The as-fabricated Fe2O3/MnO2 A-MSCs deliver a high volumetric capacitance of 110.6 F cm-3 at 5 μA cm-2 with a broad operation potential range of 1.6 V in neutral LiCl/PVA solid electrolyte. Furthermore, our A-MSC devices show a long cycle life with a high capacitance retention of 95.7% after 10 000 cycles at 100 μA cm-2. Considering its low cost and potential scalability to industrial levels, our PCD technique could be an efficient approach for the fabrication of high-performance MSC devices in the future.
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Affiliation(s)
- Zhenyuan Xia
- Department of Industrial and Materials Science, Chalmers University of Technology, Hörsalsvägen 7B, 41258 Göteborg, Sweden. and Istituto per la Sintesi Organica e la Fotoreattività, CNR, via Gobetti 101, 40129 Bologna, Italy
| | - Viktoriia Mishukova
- School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Electrum 229, 16440 Kista, Sweden.
| | - Szymon Sollami Delekta
- School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Electrum 229, 16440 Kista, Sweden.
| | - Jinhua Sun
- Department of Industrial and Materials Science, Chalmers University of Technology, Hörsalsvägen 7B, 41258 Göteborg, Sweden.
| | - Jaime S Sanchez
- Department of Industrial and Materials Science, Chalmers University of Technology, Hörsalsvägen 7B, 41258 Göteborg, Sweden.
| | - Jiantong Li
- School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Electrum 229, 16440 Kista, Sweden.
| | - Vincenzo Palermo
- Department of Industrial and Materials Science, Chalmers University of Technology, Hörsalsvägen 7B, 41258 Göteborg, Sweden. and Istituto per la Sintesi Organica e la Fotoreattività, CNR, via Gobetti 101, 40129 Bologna, Italy
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29
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Quintano V, Kovtun A, Biscarini F, Liscio F, Liscio A, Palermo V. Long-range selective transport of anions and cations in graphene oxide membranes, causing selective crystallization on the macroscale. Nanoscale Adv 2021; 3:353-358. [PMID: 36131734 PMCID: PMC9418992 DOI: 10.1039/d0na00807a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 11/30/2020] [Indexed: 06/15/2023]
Abstract
Monoatomic nanosheets can form 2-dimensional channels with tunable chemical properties, for ion storage and filtering applications. Here, we demonstrate transport of K+, Na+, and Li+ cations and F- and Cl- anions on the centimeter scale in graphene oxide membranes (GOMs), triggered by an electric bias. Besides ion transport, the GOM channels foster also the aggregation of the selected ions in salt crystals, whose composition is not the same as that of the pristine salt present in solution, highlighting the difference between the chemical environment in the 2D channels and in bulk solutions.
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Affiliation(s)
- Vanesa Quintano
- Consiglio Nazionale delle Ricerche, Institute for Organic Synthesis and Photoreactivity, (CNR-ISOF) Via Gobetti 101 I-40129 Bologna Italy
| | - Alessandro Kovtun
- Consiglio Nazionale delle Ricerche, Institute for Organic Synthesis and Photoreactivity, (CNR-ISOF) Via Gobetti 101 I-40129 Bologna Italy
| | - Fabio Biscarini
- Dipartimento di Scienze della Vita Via Giuseppe Campi 103 I-41125 Modena Italy
| | - Fabiola Liscio
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi, (CNR-IMM) - Sezione di Bologna Via Gobetti 101 I-40129 Bologna Italy
| | - Andrea Liscio
- Consiglio Nazionale delle Ricerche, Institute for Organic Synthesis and Photoreactivity, (CNR-ISOF) Via Gobetti 101 I-40129 Bologna Italy
- Consiglio Nazionale delle Ricerche, Istituto per la Microelettronica e Microsistemi, (CNR-IMM) - Sezione di Roma Via del fosso del cavaliere 100 I-00133 Roma Italy
| | - Vincenzo Palermo
- Consiglio Nazionale delle Ricerche, Institute for Organic Synthesis and Photoreactivity, (CNR-ISOF) Via Gobetti 101 I-40129 Bologna Italy
- Chalmers University of Technology, Department of Industrial and Materials Science Hörsalvägen 7 S-41296 Gothenburg Sweden
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Bonnet G, Panagides V, Palermo V, Gautier A, Pommier T, Weizman O, Noirclerc N, Adjedj J, Commeau P, Benamer H, Cayla G. Myocardial infarction rates overview during COVID-19 pandemic In France: Results of the MODIF registry. Archives of Cardiovascular Diseases Supplements 2021. [PMCID: PMC8719936 DOI: 10.1016/j.acvdsp.2020.10.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Background The emergence of Coronavirus disease 2019 (COVID-19) has evolved into a global pandemic. Systems of care have been reorganized worldwide in an effort to preserve hospital bed capacity. In France, from March 17 to May 11 2020, government imposed a complete lockdown on the whole population. Only urgent cardiac procedures have been ensured such as ST-elevation myocardial infarction (STEMI) revascularization. Some previously published studies suggest a reduction of admission for STEMI in many countries. Nevertheless, strong evidences and data across different French regions that have been affected variously by the outbreak are still lacking. Purpose We aimed to describe the incidence rates and characteristics of patients presenting with STEMI in order to evaluate the impact of the COVID-19 outbreak on STEMI care in France covering the lockdown period compared to same period one year ago. Methods We performed a retrospective multicenter registry across 60 French interventional cardiology centers including all consecutive STEMI patients referred for urgent revascularization in the heart catheterization laboratory between two periods: March 1st to May 31th 2020 compared with March 1st to May 31th 2019. Comprehensive data, including clinical, biological, COVID status and angiographic variables including time taken for care were recorded at admission. The primary outcome was a composite of invasive mechanical ventilation support or in-hospital death. The secondary outcome was the occurrence of myocardial infarction related complications during hospitalization. Enrollement is not complete at the time of the abstract submission. Conclusion This data collection between two periods with and without COVID19 will gave insights for a complete descriptive cartography of STEMI patients among different French regions which have been variously impacted by the outbreak.
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Kurapati R, Martìn C, Palermo V, Nishina Y, Bianco A. Biodegradation of graphene materials catalyzed by human eosinophil peroxidase. Faraday Discuss 2021; 227:189-203. [DOI: 10.1039/c9fd00094a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The enzymatic activity of eosinophil peroxidase secreted by human immune cells leads to degradation of different sources of graphene oxide.
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Affiliation(s)
| | - Cristina Martìn
- CNRS
- Immunology
- Immunopathology and Therapeutic Chemistry
- UPR 3572
- ISIS
| | - Vincenzo Palermo
- Industrial and Materials Science
- Chalmers University of Technology
- 41258 Göteborg
- Sweden
- Istituto per la Sintesi Organica e la Fotoreattività
| | - Yuta Nishina
- Graduate School of Natural Science and Technology
- Okayama University
- Okayama
- Japan
- Research Core for Interdisciplinary Sciences (RCIS)
| | - Alberto Bianco
- CNRS
- Immunology
- Immunopathology and Therapeutic Chemistry
- UPR 3572
- ISIS
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32
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Quintano V, Diez-Cabanes V, Dell’Elce S, Di Mario L, Pelli Cresi S, Paladini A, Beljonne D, Liscio A, Palermo V. Measurement of the conformational switching of azobenzenes from the macro- to attomolar scale in self-assembled 2D and 3D nanostructures. Phys Chem Chem Phys 2021; 23:11698-11708. [DOI: 10.1039/d1cp00740h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We compare the cis–trans conformational switching of commercial azobenzene molecules in different chemical environments, ranging from isolated molecules in liquid to attomolar-2D and macro-scale 3D self-assembled structures.
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Affiliation(s)
- Vanesa Quintano
- Institute of Organic Synthesis and Photoreactivity (ISOF) – (CNR)
- 40129 Bologna
- Italy
| | | | | | - Lorenzo Di Mario
- Division of Ultrafast Processes in Materials (FLASHit)
- Institute of Structure of Matter (ISM) – CNR
- 00133 Rome
- Italy
| | - Stefano Pelli Cresi
- Division of Ultrafast Processes in Materials (FLASHit)
- Institute of Structure of Matter (ISM) – CNR
- 00133 Rome
- Italy
| | - Alessandra Paladini
- Division of Ultrafast Processes in Materials (FLASHit)
- Institute of Structure of Matter (ISM) – CNR
- 00133 Rome
- Italy
| | - David Beljonne
- Laboratory for Chemistry of Novel Materials
- University of Mons
- B-7000 Mons
- Belgium
| | - Andrea Liscio
- Institute for Microelectronics and Microsystems (IMM)
- National Research Council of Italy (CNR)
- 00133 Rome
- Italy
| | - Vincenzo Palermo
- Institute of Organic Synthesis and Photoreactivity (ISOF) – (CNR)
- 40129 Bologna
- Italy
- Department of Industrial and Materials Science
- Chalmers University of Technology
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33
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Abstract
Paolo Samorì, Xinliang Feng and Vincenzo Palermo introduce the Nanoscale themed collection on ‘Chemistry of 2D materials: graphene and beyond’.
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34
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Scardetta P, Palermo V, Luzi I, Nardone P, Buoncristiano M, Sipone S, Dittami A, De Mei B. Promoting health in Italian Schools. Qualitative approach to evaluate community-based interventions. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa166.423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
“Genitori peer” Working Group
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Affiliation(s)
- P Scardetta
- National Centre for Diseases Prevention and Health Promotion, National Institute of Health, Rome, Italy
| | - V Palermo
- National Centre for Diseases Prevention and Health Promotion, National Institute of Health, Rome, Italy
| | - I Luzi
- National Centre for Diseases Prevention and Health Promotion, National Institute of Health, Rome, Italy
| | - P Nardone
- National Centre for Diseases Prevention and Health Promotion, National Institute of Health, Rome, Italy
| | - M Buoncristiano
- National Centre for Diseases Prevention and Health Promotion, National Institute of Health, Rome, Italy
| | - S Sipone
- National Centre for Diseases Prevention and Health Promotion, National Institute of Health, Rome, Italy
| | - A Dittami
- National Centre for Diseases Prevention and Health Promotion, National Institute of Health, Rome, Italy
| | - B De Mei
- National Centre for Diseases Prevention and Health Promotion, National Institute of Health, Rome, Italy
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35
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Lombardi L, Bellini D, Bottoni A, Calvaresi M, Monari M, Kovtun A, Palermo V, Melucci M, Bandini M. Allylic and Allenylic Dearomatization of Indoles Promoted by Graphene Oxide by Covalent Grafting Activation Mode. Chemistry 2020; 26:10427-10432. [PMID: 32346922 DOI: 10.1002/chem.202001373] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Indexed: 12/14/2022]
Abstract
The site-selective allylative and allenylative dearomatization of indoles with alcohols was performed under carbocatalytic regime in the presence of graphene oxide (GO, 10 wt % loading) as the promoter. Metal-free conditions, absence of stoichiometric additive, environmentally friendly conditions (H2 O/CH3 CN, 55 °C, 6 h), broad substrate scope (33 examples, yield up to 92 %) and excellent site- and stereoselectivity characterize the present methodology. Moreover, a covalent activation model exerted by GO functionalities was corroborated by spectroscopic, experimental and computational evidences. Recovering and regeneration of the GO catalyst through simple acidic treatment was also documented.
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Affiliation(s)
- Lorenzo Lombardi
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Daniele Bellini
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Andrea Bottoni
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Matteo Calvaresi
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Magda Monari
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Alessandro Kovtun
- Istituto per la Sintesi Organica e Fotoreattività (ISOF)-CNR, via Gobetti 101, 40129, Bologna, Italy
| | - Vincenzo Palermo
- Istituto per la Sintesi Organica e Fotoreattività (ISOF)-CNR, via Gobetti 101, 40129, Bologna, Italy
- Chalmers University of Technology, Industrial and Materials Science, Hörsalsvägen 7A, 412 96, Goteborg, Sweden
| | - Manuela Melucci
- Istituto per la Sintesi Organica e Fotoreattività (ISOF)-CNR, via Gobetti 101, 40129, Bologna, Italy
| | - Marco Bandini
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy
- Consorzio C.I.N.M.P.I.S., via Selmi 2, 40126, Bologna, Italy
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36
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Abstract
COF-1 has a structure with rigid 2D layers composed of benzene and B3 O3 rings and weak van der Waals bonding between the layers. The as-synthesized COF-1 structure contains pores occupied by solvent molecules. A high surface area empty-pore structure is obtained after vacuum annealing. High-pressure XRD and Raman experiments with mesitylene-filled (COF-1-M) and empty-pore COF-1 demonstrate partial amorphization and collapse of the framework structure above 12-15 GPa. The ambient pressure structure of COF-1-M can be reversibly recovered after compression up to 10-15 GPa. Remarkable stability of highly porous COF-1 structure at pressures at least up to 10 GPa is found even for the empty-pore structure. The bulk modulus of the COF-1 structure (11.2(5) GPa) and linear incompressibilities (k[100] =111(5) GPa, k[001] =15.0(5) GPa) were evaluated from the analysis of XRD data and cross-checked against first-principles calculations.
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Affiliation(s)
- Jinhua Sun
- Department of PhysicsUmeå University90187UmeåSweden
- Department of Industrial and Materials ScienceChalmers Tekniska Högskola41296GöteborgSweden
| | | | - Igor A. Baburin
- Theoretische ChemieTechnische Universitat DresdenBergstraße 66b01062DresdenGermany
| | - Boby Joseph
- Gd R IISc-ICTPElettra-Sincrotrone Trieste34149 BasovizzaTriesteItaly
| | - Vincenzo Palermo
- Department of Industrial and Materials ScienceChalmers Tekniska Högskola41296GöteborgSweden
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Kovtun A, Zambianchi M, Bettini C, Liscio A, Gazzano M, Corticelli F, Treossi E, Navacchia ML, Palermo V, Melucci M. Graphene oxide-polysulfone filters for tap water purification, obtained by fast microwave oven treatment. Nanoscale 2019; 11:22780-22787. [PMID: 31577323 DOI: 10.1039/c9nr06897j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The availability of clean, pure water is a major challenge for the future of our society. 2-Dimensional nanosheets of GO seem promising as nanoporous adsorbent or filters for water purification; however, their processing in macroscopic filters is challenging, and their cost vs. standard polymer filters is too high. Here, we describe a novel approach to combine graphene oxide (GO) sheets with commercial polysulfone (PSU) membranes for improved removal of organic contaminants from water. The adsorption physics of contaminants on the PSU-GO composite follows Langmuir and Brunauer-Emmett-Teller (BET) models, with partial swelling and intercalation of molecules in between the GO layers. Such a mechanism, well-known in layered clays, has not been reported previously for graphene or GO. Our approach requires minimal amounts of GO, deposited directly on the surface of the polymer, followed by stabilization using microwaves or heat. The purification efficiency of the PSU-GO composites is significantly improved vs. benchmark commercial PSU, as demonstrated by the removal of two model contaminants, rhodamine B and ofloxacin. The excellent stability of the composite is confirmed by extensive (100 hours) filtration tests in commercial water cartridges.
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Affiliation(s)
- Alessandro Kovtun
- Consiglio Nazionale delle Ricerche-Istituto per la Sintesi Organica e la Fotoreattvità (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Massimo Zambianchi
- Consiglio Nazionale delle Ricerche-Istituto per la Sintesi Organica e la Fotoreattvità (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Cristian Bettini
- Consiglio Nazionale delle Ricerche-Istituto per la Sintesi Organica e la Fotoreattvità (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Andrea Liscio
- Consiglio Nazionale delle Ricerche-Istituto per la Microelettronica e Microsistemi, CNR, 40129 Bologna, Italy
| | - Massimo Gazzano
- Consiglio Nazionale delle Ricerche-Istituto per la Sintesi Organica e la Fotoreattvità (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Franco Corticelli
- Consiglio Nazionale delle Ricerche-Istituto per la Microelettronica e Microsistemi, CNR, 40129 Bologna, Italy
| | - Emanuele Treossi
- Consiglio Nazionale delle Ricerche-Istituto per la Sintesi Organica e la Fotoreattvità (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Maria Luisa Navacchia
- Consiglio Nazionale delle Ricerche-Istituto per la Sintesi Organica e la Fotoreattvità (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
| | - Vincenzo Palermo
- Consiglio Nazionale delle Ricerche-Istituto per la Sintesi Organica e la Fotoreattvità (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy. and Industrial and Materials Science, Chalmers University of Technology, 41258 Göteborg, Sweden.
| | - Manuela Melucci
- Consiglio Nazionale delle Ricerche-Istituto per la Sintesi Organica e la Fotoreattvità (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
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Affiliation(s)
- Jinhua Sun
- Department of Physics Umeå University 90187 Umeå Sweden
- Department of Industrial and Materials Science Chalmers Tekniska Högskola 41296 Göteborg Sweden
| | | | - Igor A. Baburin
- Theoretische Chemie Technische Universitat Dresden Bergstraße 66b 01062 Dresden Germany
| | - Boby Joseph
- Gd R IISc-ICTP Elettra-Sincrotrone Trieste 34149 Basovizza Trieste Italy
| | - Vincenzo Palermo
- Department of Industrial and Materials Science Chalmers Tekniska Högskola 41296 Göteborg Sweden
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39
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Rive C, Reina G, Wagle P, Treossi E, Palermo V, Bianco A, Delogu LG, Rieckher M, Schumacher B. Improved Biocompatibility of Amino-Functionalized Graphene Oxide in Caenorhabditis elegans. Small 2019; 15:e1902699. [PMID: 31576668 DOI: 10.1002/smll.201902699] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 08/29/2019] [Indexed: 06/10/2023]
Abstract
Graphene oxide (GO) holds high promise for diagnostic and therapeutic applications in nanomedicine but reportedly displays immunotoxicity, underlining the need for developing functionalized GO with improved biocompatibility. This study describes adverse effects of GO and amino-functionalized GO (GONH2 ) during Caenorhabditis elegans development and ageing upon acute or chronic exposure. Chronic GO treatment throughout the C. elegans development causes decreased fecundity and a reduction of animal size, while acute treatment does not lead to any measurable physiological decline. However, RNA-Sequencing data reveal that acute GO exposure induces innate immune gene expression. The p38 MAP kinase, PMK-1, which is a well-established master regulator of innate immunity, protects C. elegans from chronic GO toxicity, as pmk-1 mutants show reduced tissue-functionality and facultative vivipary. In a direct comparison, GONH2 exposure does not cause detrimental effects in the wild type or in pmk-1 mutants, and the innate immune response is considerably less pronounced. This work establishes enhanced biocompatibility of amino-functionalized GO in a whole-organism, emphasizing its potential as a biomedical nanomaterial.
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Affiliation(s)
- Corvin Rive
- Institute for Genome Stability in Ageing and Disease, Medical Faculty, University of Cologne, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
- Cologne Excellence Cluster for Cellular Stress Responses in Ageing-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
| | - Giacomo Reina
- University of Strasbourg, CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, 67000, Strasbourg, France
| | - Prerana Wagle
- Cologne Excellence Cluster for Cellular Stress Responses in Ageing-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
| | | | | | - Alberto Bianco
- University of Strasbourg, CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, 67000, Strasbourg, France
| | - Lucia Gemma Delogu
- University of Sassari, via Muroni, 23, 07100, Sassari, Italy
- Institute of Pediatric Research, Fondazione Città della Speranza, corso stati uniti 4, 35127, Padua, Italy
- Department of Biomedical Sciences, University of Padua, via Ugo bassi 58, 35121, Padua, Italy
| | - Matthias Rieckher
- Institute for Genome Stability in Ageing and Disease, Medical Faculty, University of Cologne, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
- Cologne Excellence Cluster for Cellular Stress Responses in Ageing-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
| | - Björn Schumacher
- Institute for Genome Stability in Ageing and Disease, Medical Faculty, University of Cologne, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
- Cologne Excellence Cluster for Cellular Stress Responses in Ageing-Associated Diseases (CECAD), Center for Molecular Medicine Cologne (CMMC), University of Cologne, Joseph-Stelzmann-Str. 26, 50931, Cologne, Germany
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Ricalde P, Palermo V. Randomized, Controlled Trial Evaluating Lingual Frenotomy in Newborns with Simultaneous Lip Tie for the Relief of Breastfeeding Pain. J Oral Maxillofac Surg 2019. [DOI: 10.1016/j.joms.2019.06.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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41
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Tozzi M, Franchin M, Savio D, Comelli S, Di Maggio L, Carbonari L, Ebrahimi R, Fontana F, Piacentino F, Cervarolo MC, Palermo V, Piffaretti G. Drug-coated balloon angioplasty in failing haemodialysis arteriovenous shunts: 12-month outcomes in 200 patients from the Aperto Italian registry. J Vasc Access 2019; 20:733-739. [DOI: 10.1177/1129729819848609] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: We evaluated the safety and technical and clinical outcomes of angioplasty with a drug-coated balloon for the management of venous stenosis in arteriovenous grafts and arteriovenous fistulas in patients undergoing haemodialysis. Methods: Data were obtained from an ongoing prospective, non-randomised registry conducted at three Italian centres. Patients were treated with a drug-coated balloon according to standard procedures in each participating centre. Evaluation was by colour Doppler imaging every 3 months. The primary end-point was primary assisted patency. The secondary end-point was the rate of assisted patency of the vascular access. Results: A total of 311 angioplasty procedures in 200 patients, (60.4% male), were analysed. The procedural success rate was 100%. A total of 192 treatments of restenosis were necessary in 81 patients during average 21 ± 8 months follow-up. Kaplan–Meier estimates indicated that 88.0%, 64.2% and 40.6% of treated lesions were free from restenosis at 6, 12 and 24 months, respectively. Including multiple angioplasty, circuit patency rates were 99.2%, 92.5% and 84.8% at 6, 12 and 24 months, respectively. Primary patency rates were highest in shunts treated de novo with drug-coated balloons. Risk of restenosis was associated with circuit age (p = 0.017), history of treatment with conventional angioplasty (p < 0.001) and the kind of balloon used during pre-dilation (p = 0.001). Conclusion: The results suggest that favourable long-term patency rates can be achieved with the drug-coated balloon in a varied population of patients with failing haemodialysis arteriovenous shunts treated under conditions of actual care.
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Affiliation(s)
- Matteo Tozzi
- Vascular Surgery Unit, Department of Medicine and Surgery, Circolo University Teaching Hospital, University of Insubria, Varese, Italy
| | - Marco Franchin
- Vascular Surgery Unit, Department of Medicine and Surgery, Circolo University Teaching Hospital, University of Insubria, Varese, Italy
| | - Daniele Savio
- Interventional Radiology-Neuroradiology Department, SG Bosco Hospital, Turin, Italy
| | - Simone Comelli
- Interventional Radiology-Neuroradiology Department, SG Bosco Hospital, Turin, Italy
| | - Luca Di Maggio
- Interventional Radiology-Neuroradiology Department, SG Bosco Hospital, Turin, Italy
| | | | | | - Federico Fontana
- Department of Radiology, Circolo University Teaching Hospital, University of Insubria, Varese, Italy
| | - Filippo Piacentino
- Department of Radiology, Circolo University Teaching Hospital, University of Insubria, Varese, Italy
| | - Maria Cristina Cervarolo
- Vascular Surgery Unit, Department of Medicine and Surgery, Circolo University Teaching Hospital, University of Insubria, Varese, Italy
| | - Vincenzo Palermo
- Vascular Surgery Unit, Department of Medicine and Surgery, Circolo University Teaching Hospital, University of Insubria, Varese, Italy
| | - Gabriele Piffaretti
- Vascular Surgery Unit, Department of Medicine and Surgery, Circolo University Teaching Hospital, University of Insubria, Varese, Italy
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Posati T, Nocchetti M, Kovtun A, Donnadio A, Zambianchi M, Aluigi A, Capobianco ML, Corticelli F, Palermo V, Ruani G, Zamboni R, Navacchia ML, Melucci M. Polydopamine Nanoparticle-Coated Polysulfone Porous Granules as Adsorbents for Water Remediation. ACS Omega 2019; 4:4839-4847. [PMID: 31459668 PMCID: PMC6648586 DOI: 10.1021/acsomega.8b02900] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 12/14/2018] [Indexed: 05/18/2023]
Abstract
Water purification technologies possibly based on eco-sustainable, low cost, and multifunctional materials are being intensively pursued to resolve the current water scarcity and pollution. In this scenario, polysulfone hollow porous granules (PS-HPGs) prepared from scraps of the industrial production of polysulfone hollow fiber membranes were recently introduced as adsorbents and filtration materials for water and air treatment. Here, we report the functionalization of PS-HPGs with polydopamine (PD) nanoparticles for the preparation of a new versatile and efficient adsorbent material, namely, PSPD-HPGs. The in situ growth of PD under mild alkaline oxidative polymerization allowed us to stably graft PD on polysulfone granules. Enhanced removal efficiency of ofloxacin, an antibiotic drug, with an improvement up to 70% with respect to the pristine PS-HPGs, and removal of Zn(II) and Ni(II) were also observed after PD modification. Remarkably, removal of Cu(II) ions with an efficiency up to 80% was observed for PSPD-HPGs, whereas no adsorption was found for the PD-free precursor. Collectively, these data show that modification with a biocompatible polymer such as PD provides a simple and valuable tool to enlarge the field of application of polysulfone hollow granules for water remediation from both organic and metal cation contaminants.
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Affiliation(s)
- Tamara Posati
- Consiglio
Nazionale delle Ricerche, Istituto per la
Sintesi Organica e la Fotoreattivitá (CNR-ISOF), Via Piero Gobetti 101, 40129 Bologna, Italy
- E-mail: (T.P.)
| | - Morena Nocchetti
- Dipartimento
di Scienze Farmaceutiche, Universitá
di Perugia, Via del Liceo,
1, 06123 Perugia, Italy
| | - Alessandro Kovtun
- Consiglio
Nazionale delle Ricerche, Istituto per la
Sintesi Organica e la Fotoreattivitá (CNR-ISOF), Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Anna Donnadio
- Dipartimento
di Scienze Farmaceutiche, Universitá
di Perugia, Via del Liceo,
1, 06123 Perugia, Italy
| | - Massimo Zambianchi
- Consiglio
Nazionale delle Ricerche, Istituto per la
Sintesi Organica e la Fotoreattivitá (CNR-ISOF), Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Annalisa Aluigi
- Consiglio
Nazionale delle Ricerche, Istituto per la
Sintesi Organica e la Fotoreattivitá (CNR-ISOF), Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Massimo L. Capobianco
- Consiglio
Nazionale delle Ricerche, Istituto per la
Sintesi Organica e la Fotoreattivitá (CNR-ISOF), Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Franco Corticelli
- Consiglio
Nazionale delle Ricerche, Istituto di Microelettronica
e Microsistemi (IMM-CNR), Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Vincenzo Palermo
- Consiglio
Nazionale delle Ricerche, Istituto per la
Sintesi Organica e la Fotoreattivitá (CNR-ISOF), Via Piero Gobetti 101, 40129 Bologna, Italy
- Department
of Industrial and Materials Science, Chalmers
University of Technology, Chalmersplatsen 4, 412 96 Göteborg, Sweden
| | - Giampiero Ruani
- Consiglio
Nazionale delle Ricerche, Istituto per lo
Studio dei Materiali Nanostrutturati (ISMN-CNR), Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Roberto Zamboni
- Consiglio
Nazionale delle Ricerche, Istituto per la
Sintesi Organica e la Fotoreattivitá (CNR-ISOF), Via Piero Gobetti 101, 40129 Bologna, Italy
| | - Maria Luisa Navacchia
- Consiglio
Nazionale delle Ricerche, Istituto per la
Sintesi Organica e la Fotoreattivitá (CNR-ISOF), Via Piero Gobetti 101, 40129 Bologna, Italy
- E-mail: (M.L.N.)
| | - Manuela Melucci
- Consiglio
Nazionale delle Ricerche, Istituto per la
Sintesi Organica e la Fotoreattivitá (CNR-ISOF), Via Piero Gobetti 101, 40129 Bologna, Italy
- E-mail: (M.M.)
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Xia ZY, Christian M, Arbizzani C, Morandi V, Gazzano M, Quintano V, Kovtun A, Palermo V. A robust, modular approach to produce graphene-MO x multilayer foams as electrodes for Li-ion batteries. Nanoscale 2019; 11:5265-5273. [PMID: 30843016 DOI: 10.1039/c8nr09195a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Major breakthroughs in batteries would require the development of new composite electrode materials, with a precisely controlled nanoscale architecture. However, composites used for energy storage are typically a disordered bulk mixture of different materials, or simple coatings of one material onto another. We demonstrate here a new technique to create complex hierarchical electrodes made of multilayers of vertically aligned nanowalls of hematite (Fe2O3) alternated with horizontal spacers of reduced graphene oxide (RGO), all deposited on a 3D, conductive graphene foam. The RGO nanosheets act as porous spacers, current collectors and protection against delamination of the hematite. The multilayer composite, formed by up to 7 different layers, can be used with no further processing as an anode in Li-ion batteries, with a specific capacity of up to 1175 μA h cm-2 and a capacity retention of 84% after 1000 cycles. Our coating strategy gives improved cyclability and rate capacity compared to conventional bulk materials. Our production method is ideally suited to assemble an arbitrary number of organic-inorganic materials in an arbitrary number of layers.
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Affiliation(s)
- Zhen Yuan Xia
- Industrial and Materials Science, Chalmers University of Technology, 41258, Göteborg, Sweden.
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Dell'Elce S, Liscio F, Kovtun A, Allegri S, Roscioni OM, Albonetti C, De Luca G, Amenitsch HW, Demitri N, Giorgini L, Morandi V, Stellacci F, Liscio A, Palermo V. 3D to 2D reorganization of silver-thiol nanostructures, triggered by solvent vapor annealing. Nanoscale 2018; 10:23018-23026. [PMID: 30506071 DOI: 10.1039/c8nr07109h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Metal-organic composites are of great interest for a wide range of applications. The control of their structure remains a challenge, one of the problems being a complex interplay of covalent and supramolecular interactions. This paper describes the self-assembly, thermal stability and phase transitions of ordered structures of silver atoms and thiol molecules spanning from the molecular to the mesoscopic scale. Building blocks of molecularly defined clusters formed from 44 silver atoms, each particle coated by a monolayer of 30 thiol ligands, are used as ideal building blocks. By changing solvent and temperature it is possible to tune the self-assembled 3D crystals of pristine nanoparticles or, conversely, 2D layered structures, with alternated stacks of Ag atoms and thiol monolayers. The study investigates morphological, chemical and structural stability of these materials between 25 and 300 °C in situ and ex situ at the nanoscale by combining optical and electronic spectroscopic and scattering techniques, scanning probe microscopies and density-functional theory (DFT) calculations. The proposed wet-chemistry approach is relatively cheap, easy to implement, and scalable, allowing the fabricated materials with tuned properties using the same building blocks.
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45
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Anagnostopoulos G, Paterakis G, Polyzos I, Pappas PN, Kouroupis-Agalou K, Mirotta N, Scidà A, Palermo V, Parthenios J, Papagelis K, Galiotis C. Strain Engineering in Highly Wrinkled CVD Graphene/Epoxy Systems. ACS Appl Mater Interfaces 2018; 10:43192-43202. [PMID: 30406999 DOI: 10.1021/acsami.8b14698] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Chemical vapor deposition (CVD) is regarded as a promising fabrication method for the automated, large-scale, production of graphene and other two-dimensional materials. However, its full commercial exploitation is limited by the presence of structural imperfections such as folds, wrinkles, and even cracks that downgrade its physical and mechanical properties. For example, as shown here by means of Raman spectroscopy, the stress transfer from an epoxy matrix to CVD graphene is on average 30% of that of exfoliated monolayer graphene of over 10 μm in dimensions. However, in terms of electrical response, the situation is reversed; the resistance has been found here to decrease by the imposition of mechanical deformation possibly due to the opening up of the structure and the associated increase of electron mobility. This finding paves the way for employing CVD graphene/epoxy composites or coatings as conductive "networks" or bridges in cases for which the conductivity needs to be increased or at least retained when the system is under deformation. The tuning/control of such systems and their operative limitations are discussed here.
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Affiliation(s)
- George Anagnostopoulos
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas (FORTH/ ICE-HT) , Patras 265 04 , Greece
| | - George Paterakis
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas (FORTH/ ICE-HT) , Patras 265 04 , Greece
| | - Ioannis Polyzos
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas (FORTH/ ICE-HT) , Patras 265 04 , Greece
| | - Panagiotis-Nektarios Pappas
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas (FORTH/ ICE-HT) , Patras 265 04 , Greece
| | - Kostantinos Kouroupis-Agalou
- ISOF-Istituto per la Sintesi Organica e la Fotoreattivita-Consiglio Nazionale delle Ricerche , via Gobetti 101 , 40129 Bologna , Italy
| | - Nicola Mirotta
- ISOF-Istituto per la Sintesi Organica e la Fotoreattivita-Consiglio Nazionale delle Ricerche , via Gobetti 101 , 40129 Bologna , Italy
| | - Alessandra Scidà
- ISOF-Istituto per la Sintesi Organica e la Fotoreattivita-Consiglio Nazionale delle Ricerche , via Gobetti 101 , 40129 Bologna , Italy
| | - Vincenzo Palermo
- ISOF-Istituto per la Sintesi Organica e la Fotoreattivita-Consiglio Nazionale delle Ricerche , via Gobetti 101 , 40129 Bologna , Italy
- Department of Industrial and Materials Science , Chalmers University of Technology , SE-412 96 Gothenburg , Sweden
| | - John Parthenios
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas (FORTH/ ICE-HT) , Patras 265 04 , Greece
| | - Konstantinos Papagelis
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas (FORTH/ ICE-HT) , Patras 265 04 , Greece
- Department of Solid State Physics, School of Physics , Aristotle University of Thessaloniki , Thessaloniki 54124 , Greece
| | - Costas Galiotis
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology-Hellas (FORTH/ ICE-HT) , Patras 265 04 , Greece
- Department of Chemical Engineering , University of Patras , Patras 26504 , Greece
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Durso M, Borrachero-Conejo AI, Bettini C, Treossi E, Scidà A, Saracino E, Gazzano M, Christian M, Morandi V, Tuci G, Giambastiani G, Ottaviano L, Perrozzi F, Benfenati V, Melucci M, Palermo V. Biomimetic graphene for enhanced interaction with the external membrane of astrocytes. J Mater Chem B 2018; 6:5335-5342. [PMID: 32254499 DOI: 10.1039/c8tb01410h] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Graphene and graphene substrates display huge potential as material interfaces for devices and biomedical tools targeting the modulation or recovery of brain functionality. However, to be considered reliable neural interfaces, graphene-derived substrates should properly interact with astrocytes, favoring their growth and avoiding adverse gliotic reactions. Indeed, astrocytes are the most abundant cells in the human brain and they have a crucial physiological role to maintain its homeostasis and modulate synaptic transmission. In this work, we describe a new strategy based on the chemical modification of graphene oxide (GO) with a synthetic phospholipid (PL) to improve interaction of GO with brain astroglial cells. The PL moieties were grafted on GO sheets through polymeric brushes obtained by atom-transfer radical-polymerization (ATRP) between acryloyl-modified PL and GO nanosheets modified with a bromide initiator. The adhesion of primary rat cortical astrocytes on GO-PL substrates increased by about three times with respect to that on glass substrates coated with standard adhesion agents (i.e. poly-d-lysine, PDL) as well as with respect to that on non-functionalized GO. Moreover, we show that astrocytes seeded on GO-PL did not display significant gliotic reactivity, indicating that the material interface did not cause a detrimental inflammatory reaction when interacting with astroglial cells. Our results indicate that the reported biomimetic approach could be applied to neural prosthesis to improve cell colonization and avoid glial scar formation in brain implants. Additionally, improved adhesion could be extremely relevant in devices targeting neural cell sensing/modulation of physiological activity.
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Affiliation(s)
- M Durso
- Consiglio Nazionale delle Ricerche, Istituto per la Sintesi Organica e la Fotoreattività (CNR-ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
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Favaretto L, An J, Sambo M, De Nisi A, Bettini C, Melucci M, Kovtun A, Liscio A, Palermo V, Bottoni A, Zerbetto F, Calvaresi M, Bandini M. Graphene Oxide Promotes Site-Selective Allylic Alkylation of Thiophenes with Alcohols. Org Lett 2018; 20:3705-3709. [PMID: 29863889 DOI: 10.1021/acs.orglett.8b01531] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The graphene oxide (GO) assisted allylic alkylation of thiophenes with alcohols is presented. Mild reaction conditions and a low GO loading enabled the isolation of a range of densely functionalized thienyl and bithienyl compounds in moderate to high yields (up to 90%). The cooperative action of the Brønsted acidity, epoxide moieties, and π-surface of the 2D-promoter is highlighted as crucial in the reaction course of the present Friedel-Crafts-type protocol.
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Affiliation(s)
- Laura Favaretto
- Istituto per la Sintesi Organica e Fotoreattività (ISOF) - CNR , via Gobetti 101 , 40129 Bologna , Italy
| | - Juzeng An
- Dipartimento di Chimica "G. Ciamician" , Alma Mater Studiorum - Università di Bologna , via Selmi 2 , 40126 Bologna , Italy
| | - Marco Sambo
- Dipartimento di Chimica "G. Ciamician" , Alma Mater Studiorum - Università di Bologna , via Selmi 2 , 40126 Bologna , Italy
| | - Assunta De Nisi
- Dipartimento di Chimica "G. Ciamician" , Alma Mater Studiorum - Università di Bologna , via Selmi 2 , 40126 Bologna , Italy
| | - Cristian Bettini
- Istituto per la Sintesi Organica e Fotoreattività (ISOF) - CNR , via Gobetti 101 , 40129 Bologna , Italy
| | - Manuela Melucci
- Istituto per la Sintesi Organica e Fotoreattività (ISOF) - CNR , via Gobetti 101 , 40129 Bologna , Italy
| | - Alessandro Kovtun
- Istituto per la Sintesi Organica e Fotoreattività (ISOF) - CNR , via Gobetti 101 , 40129 Bologna , Italy
| | - Andrea Liscio
- Istituto per la Sintesi Organica e Fotoreattività (ISOF) - CNR , via Gobetti 101 , 40129 Bologna , Italy
- Istituto per la Microelettronica e Microsistemi (IMM) - CNR , via del Fosso del Cavaliere 100 , 00133 Rome , Italy
| | - Vincenzo Palermo
- Istituto per la Sintesi Organica e Fotoreattività (ISOF) - CNR , via Gobetti 101 , 40129 Bologna , Italy
| | - Andrea Bottoni
- Dipartimento di Chimica "G. Ciamician" , Alma Mater Studiorum - Università di Bologna , via Selmi 2 , 40126 Bologna , Italy
| | - Francesco Zerbetto
- Dipartimento di Chimica "G. Ciamician" , Alma Mater Studiorum - Università di Bologna , via Selmi 2 , 40126 Bologna , Italy
| | - Matteo Calvaresi
- Dipartimento di Chimica "G. Ciamician" , Alma Mater Studiorum - Università di Bologna , via Selmi 2 , 40126 Bologna , Italy
| | - Marco Bandini
- Dipartimento di Chimica "G. Ciamician" , Alma Mater Studiorum - Università di Bologna , via Selmi 2 , 40126 Bologna , Italy
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Xia Z, Kabe R, Liscio A, Kovtun A, Treossi E, Feng X, Palermo V. Graphene-Pyrene Nanocomposites Obtained Using Azide Chemistry. J Nanosci Nanotechnol 2018; 18:1290-1295. [PMID: 29448576 DOI: 10.1166/jnn.2018.15254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
In this study we describe a simple and fast procedure for the covalent functionalization of pristine graphene with a pyrene-terminated alkylazide, transformed in a highly reactive radical by thermal activation. The functionalized graphene sheets showed enhanced dispersibility in organic solvents compared to the pristine ones, thus enhancing their solution processability and compatibility with solvents or polymers. The relative improvement of solubility estimated form the absorption spectra was ≈60% in CHCl3 and ≈1200% in THF. The obtained materials were characterized by optical absorption spectroscopy, photoemission spectroscopy, infrared spectroscopy and X-rays photoelectron spectroscopy. The presence of the pyrene photoemitting chromophore in the grafting unit allowed to monitor the successful grafting and to confirm the effectiveness of the alkylazide to improve graphene solubility even when present in small amounts on the graphene surface.
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Affiliation(s)
- Zhenyuan Xia
- Institute for Organic Synthesis and Photoreactivity-ISOF, National Research Council, via Gobetti 101, 40129 Bologna, Italy
| | - Ryota Kabe
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Andrea Liscio
- Institute for Organic Synthesis and Photoreactivity-ISOF, National Research Council, via Gobetti 101, 40129 Bologna, Italy
| | - Alessandro Kovtun
- Institute for Organic Synthesis and Photoreactivity-ISOF, National Research Council, via Gobetti 101, 40129 Bologna, Italy
| | - Emanuele Treossi
- Institute for Organic Synthesis and Photoreactivity-ISOF, National Research Council, via Gobetti 101, 40129 Bologna, Italy
| | - Xinliang Feng
- Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany
| | - Vincenzo Palermo
- Institute for Organic Synthesis and Photoreactivity-ISOF, National Research Council, via Gobetti 101, 40129 Bologna, Italy
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49
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Anagnostopoulos G, Treossi E, Parthenios J, Papagelis K, Palermo V, Galiotis C. An Evaluation of Graphene as a Multi-Functional Heating Element for Biomedical Applications. J Biomed Nanotechnol 2018; 14:86-97. [DOI: 10.1166/jbn.2018.2472] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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50
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Kucki M, Diener L, Bohmer N, Hirsch C, Krug HF, Palermo V, Wick P. Uptake of label-free graphene oxide by Caco-2 cells is dependent on the cell differentiation status. J Nanobiotechnology 2017; 15:46. [PMID: 28637475 PMCID: PMC5480125 DOI: 10.1186/s12951-017-0280-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 06/13/2017] [Indexed: 01/06/2023] Open
Abstract
BACKGROUND Understanding the interaction of graphene-related materials (GRM) with human cells is a key to the assessment of their potential risks for human health. There is a knowledge gap regarding the potential uptake of GRM by human intestinal cells after unintended ingestion. Therefore the aim of our study was to investigate the interaction of label-free graphene oxide (GO) with the intestinal cell line Caco-2 in vitro and to shed light on the influence of the cell phenotype given by the differentiation status on cellular uptake behaviour. RESULTS Internalisation of two label-free GOs with different lateral size and thickness by undifferentiated and differentiated Caco-2 cells was analysed by scanning electron microscopy and transmission electron microscopy. Semi-quantification of cells associated with GRM was performed by flow cytometry. Undifferentiated Caco-2 cells showed significant amounts of cell-associated GRM, whereas differentiated Caco-2 cells exhibited low adhesion of GO sheets. Transmission electron microscopy analysis revealed internalisation of both applied GO (small and large) by undifferentiated Caco-2 cells. Even large GO sheets with lateral dimensions up to 10 µm, were found internalised by undifferentiated cells, presumably by macropinocytosis. In contrast, no GO uptake could be found for differentiated Caco-2 cells exhibiting an enterocyte-like morphology with apical brush border. CONCLUSIONS Our results show that the internalisation of GO is highly dependent on the cell differentiation status of human intestinal cells. During differentiation Caco-2 cells undergo intense phenotypic changes which lead to a dramatic decrease in GRM internalisation. The results support the hypothesis that the cell surface topography of differentiated Caco-2 cells given by the brush border leads to low adhesion of GO sheets and sterical hindrance for material uptake. In addition, the mechanical properties of GRM, especially flexibility of the sheets, seem to be an important factor for internalisation of large GO sheets by epithelial cells. Our results highlight the importance of the choice of the in vitro model to enable better in vitro-in vivo translation.
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Affiliation(s)
- Melanie Kucki
- Laboratory for Particles-Biology Interactions, Empa-Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Liliane Diener
- Laboratory for Particles-Biology Interactions, Empa-Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Nils Bohmer
- Laboratory for Particles-Biology Interactions, Empa-Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Cordula Hirsch
- Laboratory for Particles-Biology Interactions, Empa-Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Harald F. Krug
- International Research Cooperations Manager, Empa-Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Vincenzo Palermo
- Istituto per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale delle Richerche (CNR), Via P. Gobetti 101, 40129 Bologna, Italy
| | - Peter Wick
- Laboratory for Particles-Biology Interactions, Empa-Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
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