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Sánchez EH, Vasilakaki M, Lee SS, Normile PS, Andersson MS, Mathieu R, López-Ortega A, Pichon BP, Peddis D, Binns C, Nordblad P, Trohidou K, Nogués J, De Toro JA. Crossover From Individual to Collective Magnetism in Dense Nanoparticle Systems: Local Anisotropy Versus Dipolar Interactions. Small 2022; 18:e2106762. [PMID: 35689307 DOI: 10.1002/smll.202106762] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 05/17/2022] [Indexed: 06/15/2023]
Abstract
Dense systems of magnetic nanoparticles may exhibit dipolar collective behavior. However, two fundamental questions remain unsolved: i) whether the transition temperature may be affected by the particle anisotropy or it is essentially determined by the intensity of the interparticle dipolar interactions, and ii) what is the minimum ratio of dipole-dipole interaction (Edd ) to nanoparticle anisotropy (Kef V, anisotropy⋅volume) energies necessary to crossover from individual to collective behavior. A series of particle assemblies with similarly intense dipolar interactions but widely varying anisotropy is studied. The Kef is tuned through different degrees of cobalt-doping in maghemite nanoparticles, resulting in a variation of nearly an order of magnitude. All the bare particle compacts display collective behavior, except the one made with the highest anisotropy particles, which presents "marginal" features. Thus, a threshold of Kef V/Edd ≈ 130 to suppress collective behavior is derived, in good agreement with Monte Carlo simulations. This translates into a crossover value of ≈1.7 for the easily accessible parameter TMAX (interacting)/TMAX (non-interacting) (ratio of the peak temperatures of the zero-field-cooled magnetization curves of interacting and dilute particle systems), which is successfully tested against the literature to predict the individual-like/collective behavior of any given interacting particle assembly comprising relatively uniform particles.
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Affiliation(s)
- Elena H Sánchez
- Instituto Regional de Investigación Científica Aplicada (IRICA) and Departamento de Física Aplicada, Universidad de Castilla-La Mancha, Ciudad Real, 13071, Spain
| | - Marianna Vasilakaki
- Institute of Nanoscience and Nanotechnology NCSR "Demokritos", Agia Paraskevi, 153 10, Greece
| | - Su Seong Lee
- NanoBio Lab, Institute of Materials Research and Engineering, 31 Biopolis Way, #09-01, The Nanos, Singapore, 138669, Singapore
| | - Peter S Normile
- Instituto Regional de Investigación Científica Aplicada (IRICA) and Departamento de Física Aplicada, Universidad de Castilla-La Mancha, Ciudad Real, 13071, Spain
| | - Mikael S Andersson
- Department of Chemistry, Ångström Laboratory, Uppsala University, Uppsala, 75121, Sweden
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg, SE-412 96, Sweden
| | - Roland Mathieu
- Department of Materials Science and Engineering, Uppsala University, Box 35, Uppsala, 751 03, Sweden
| | - Alberto López-Ortega
- Instituto Regional de Investigación Científica Aplicada (IRICA) and Departamento de Física Aplicada, Universidad de Castilla-La Mancha, Ciudad Real, 13071, Spain
- Departamento de Ciencias, Universidad Pública de Navarra, Pamplona, 31006, Spain
- Institute for Advanced Materials and Mathematics (INAMAT2), Universidad Pública de Navarra, Pamplona, 31006, Spain
| | - Benoit P Pichon
- Université de Strasbourg, CNRS, Institut de Physique et Chimie des Matériaux de Strasbourg, UMR 7504, Strasbourg, F-67000, France
- Institut Universitaire de France, Paris Cedex 05, 75231, France
| | - Davide Peddis
- Dipartimento di Chimica e Chimica Industriale, Università degli Studi di, Genova, Via Dodecaneso 31, Genova, 1-16146, Italy
- Istituto di Structura della Materia-CNR, Monterotondo Scalo (RM), 00015, Italy
| | - Chris Binns
- Instituto Regional de Investigación Científica Aplicada (IRICA) and Departamento de Física Aplicada, Universidad de Castilla-La Mancha, Ciudad Real, 13071, Spain
| | - Per Nordblad
- Department of Materials Science and Engineering, Uppsala University, Box 35, Uppsala, 751 03, Sweden
| | - Kalliopi Trohidou
- Institute of Nanoscience and Nanotechnology NCSR "Demokritos", Agia Paraskevi, 153 10, Greece
| | - Josep Nogués
- ICREA, Pg. Lluís Companys 23, Barcelona, 08010, Spain
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, Campus UAB, Bellaterra, Barcelona, 08193, Spain
| | - José A De Toro
- Instituto Regional de Investigación Científica Aplicada (IRICA) and Departamento de Física Aplicada, Universidad de Castilla-La Mancha, Ciudad Real, 13071, Spain
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Del Sol-Fernández S, Martínez-Vicente P, Gomollón-Zueco P, Castro-Hinojosa C, Gutiérrez L, Fratila RM, Moros M. Magnetogenetics: remote activation of cellular functions triggered by magnetic switches. Nanoscale 2022; 14:2091-2118. [PMID: 35103278 PMCID: PMC8830762 DOI: 10.1039/d1nr06303k] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 11/13/2021] [Indexed: 05/03/2023]
Abstract
During the last decade, the possibility to remotely control intracellular pathways using physical tools has opened the way to novel and exciting applications, both in basic research and clinical applications. Indeed, the use of physical and non-invasive stimuli such as light, electricity or magnetic fields offers the possibility of manipulating biological processes with spatial and temporal resolution in a remote fashion. The use of magnetic fields is especially appealing for in vivo applications because they can penetrate deep into tissues, as opposed to light. In combination with magnetic actuators they are emerging as a new instrument to precisely manipulate biological functions. This approach, coined as magnetogenetics, provides an exclusive tool to study how cells transform mechanical stimuli into biochemical signalling and offers the possibility of activating intracellular pathways connected to temperature-sensitive proteins. In this review we provide a critical overview of the recent developments in the field of magnetogenetics. We discuss general topics regarding the three main components for magnetic field-based actuation: the magnetic fields, the magnetic actuators and the cellular targets. We first introduce the main approaches in which the magnetic field can be used to manipulate the magnetic actuators, together with the most commonly used magnetic field configurations and the physicochemical parameters that can critically influence the magnetic properties of the actuators. Thereafter, we discuss relevant examples of magneto-mechanical and magneto-thermal stimulation, used to control stem cell fate, to activate neuronal functions, or to stimulate apoptotic pathways, among others. Finally, although magnetogenetics has raised high expectations from the research community, to date there are still many obstacles to be overcome in order for it to become a real alternative to optogenetics for instance. We discuss some controversial aspects related to the insufficient elucidation of the mechanisms of action of some magnetogenetics constructs and approaches, providing our opinion on important challenges in the field and possible directions for the upcoming years.
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Affiliation(s)
- Susel Del Sol-Fernández
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
| | - Pablo Martínez-Vicente
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
| | - Pilar Gomollón-Zueco
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
| | - Christian Castro-Hinojosa
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
| | - Lucía Gutiérrez
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
- Departamento de Química Analítica, Universidad de Zaragoza, Zaragoza 50009, Spain
| | - Raluca M Fratila
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
- Departamento de Química Orgánica, Universidad de Zaragoza, C/Pedro Cerbuna 12, Zaragoza 50009, Spain
| | - María Moros
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, Zaragoza 50009, Spain.
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN), Spain
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Barrera G, Allia P, Tiberto P. Dipolar interactions among magnetite nanoparticles for magnetic hyperthermia: a rate-equation approach. Nanoscale 2021; 13:4103-4121. [PMID: 33570053 DOI: 10.1039/d0nr07397k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [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
Rate equations are used to study the dynamic magnetic properties of interacting magnetite nanoparticles viewed as double well systems (DWS) subjected to a driving field in the radio-frequency range. Dipole-dipole interaction among particles is modeled by inserting an ad-hoc term in the energy barrier to simulate the dependence of the interaction on both the interparticle distance and degree of dipole collinearity. The effective magnetic power released by an assembly of interacting nanoparticles dispersed in a diamagnetic host is shown to be a complex function of nanoparticle diameter, mean particle interdistance and frequency. Dipolar interaction markedly modifies the way a host material is heated by an assembly of embedded nanoparticles in magnetic hyperthermia treatments. Nanoparticle fraction and strength of the interaction can dramatically influence the amplitude and shape of the heating curves of the host material; the heating ability of interacting nanoparticles is shown to be either improved or reduced by their concentration in the host material. A frequency-dependent cut-off length of dipolar interactions is determined and explained. Particle polydispersity entailing a distribution of particle sizes brings about non-trivial effects on the heating curves depending on the strength of dipolar interaction.
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Affiliation(s)
- Gabriele Barrera
- INRIM, Advanced Materials Metrology and Life Sciences, Strada delle Cacce 91, I-10135 Torino, Italy.
| | - Paolo Allia
- INRIM, Advanced Materials Metrology and Life Sciences, Strada delle Cacce 91, I-10135 Torino, Italy.
| | - Paola Tiberto
- INRIM, Advanced Materials Metrology and Life Sciences, Strada delle Cacce 91, I-10135 Torino, Italy.
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Hou Z, Liu Y, Xu J, Zhu J. Surface engineering of magnetic iron oxide nanoparticles by polymer grafting: synthesis progress and biomedical applications. Nanoscale 2020; 12:14957-14975. [PMID: 32648868 DOI: 10.1039/d0nr03346d] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Magnetic iron oxide nanoparticles (IONPs) have wide applications in magnetic resonance imaging (MRI), biomedicine, drug delivery, hyperthermia therapy, catalysis, magnetic separation, and others. However, these applications are usually limited by irreversible agglomeration of IONPs in aqueous media because of their dipole-dipole interactions, and their poor stability. A protecting polymeric shell provides IONPs with not only enhanced long-term stability, but also the functionality of polymer shells. Therefore, polymer-grafted IONPs have recently attracted much attention of scientists. In this tutorial review, we will present the current strategies for grafting polymers onto the surface of IONPs, basically including "grafting from" and "grafting to" methods. Available functional groups and chemical reactions, which could be employed to bind polymers onto the IONP surface, are comprehensively summarized. Moreover, the applications of polymer-grafted IONPs will be briefly discussed. Finally, future challenges and perspectives in the synthesis and application of polymer-grafted IONPs will also be discussed.
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Affiliation(s)
- Zaiyan Hou
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Yijing Liu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Jiangping Xu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
| | - Jintao Zhu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage of Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China.
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Fallows TW, McGrath AJ, Silva J, McAdams SG, Marchesi A, Tuna F, Flitsch SL, Tilley RD, Webb SJ. High-throughput chemical and chemoenzymatic approaches to saccharide-coated magnetic nanoparticles for MRI. Nanoscale Adv 2019; 1:3597-3606. [PMID: 36133529 PMCID: PMC9417132 DOI: 10.1039/c9na00376b] [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] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 07/29/2019] [Indexed: 05/28/2023]
Abstract
There is a need for biofunctionalised magnetic nanoparticles for many biomedical applications, including MRI contrast agents that have a range of surface properties and functional groups. A library of eleven adducts, each formed by condensing a reducing sugar with a catechol hydrazide, for nanoparticle functionalisation has been created using a high-throughput chemical synthesis methodology. The enzymatic transformation of an N-acetylglucosamine (GlcNAc) adduct into an N-acetyllactosamine adduct by β-1,4-galactosyltransferase illustrates how chemoenzymatic methods could provide adducts bearing complex and expensive glycans. Superparamagnetic iron oxide nanoparticles (8 nm diameter, characterised by TEM, DLS and SQUID) were coated with these adducts and the magnetic resonance imaging (MRI) properties of GlcNAc-labelled nanoparticles were determined. This straightforward approach can produce a range of MRI contrast agents with a variety of biofunctionalised surfaces.
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Affiliation(s)
- Thomas W Fallows
- School of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK +44 (0)161 306 4524
- Manchester Institute of Biotechnology, University of Manchester 131 Princess St Manchester M1 7DN UK
| | - Andrew J McGrath
- School of Chemistry, University of New South Wales Australia
- Australian Centre for NanoMedicine, University of New South Wales Australia
| | - Joana Silva
- School of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK +44 (0)161 306 4524
- Manchester Institute of Biotechnology, University of Manchester 131 Princess St Manchester M1 7DN UK
| | - Simon G McAdams
- School of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK +44 (0)161 306 4524
- School of Materials, University of Manchester Oxford Road Manchester UK
| | - Andrea Marchesi
- School of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK +44 (0)161 306 4524
- Manchester Institute of Biotechnology, University of Manchester 131 Princess St Manchester M1 7DN UK
| | - Floriana Tuna
- School of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK +44 (0)161 306 4524
- Photon Science Institute, University of Manchester Oxford Road Manchester M13 9PL UK
| | - Sabine L Flitsch
- School of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK +44 (0)161 306 4524
- Manchester Institute of Biotechnology, University of Manchester 131 Princess St Manchester M1 7DN UK
| | - Richard D Tilley
- School of Chemistry, University of New South Wales Australia
- Australian Centre for NanoMedicine, University of New South Wales Australia
- Electron Microscope Unit, Mark Wainwright Analytical Centre, University of New South Wales Australia
| | - Simon J Webb
- School of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK +44 (0)161 306 4524
- Manchester Institute of Biotechnology, University of Manchester 131 Princess St Manchester M1 7DN UK
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Li J, Pylypchuk I, Johansson DP, Kessler VG, Seisenbaeva GA, Langton M. Self-assembly of plant protein fibrils interacting with superparamagnetic iron oxide nanoparticles. Sci Rep 2019; 9:8939. [PMID: 31222107 PMCID: PMC6586877 DOI: 10.1038/s41598-019-45437-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [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: 12/05/2018] [Accepted: 06/05/2019] [Indexed: 11/09/2022] Open
Abstract
In situ fibrillation of plant proteins in presence of the superparamagnetic iron oxide nanoparticles (NP) promoted formation of a hybrid nanocomposite. The morphology of NP-fibril composite was revealed using ex-situ atomic force microscopy (AFM) in air. The NP-fibrils were associated into extended multi-fibril structures, indicating that the addition of NPs promoted protein association via β-sheet assembly. Real-time movement of NPs attached to fibrils under an external magnetic field was visualized using in-situ AFM in liquid, revealing that composite structures were stable at low pH, and displaying dipolar property of the NPs in the composite at high pH. Changes in magnetic properties of NPs when interacting with protein fibrils were quantitatively mapped using magnetic force microscopy (MFM). The magnetic moment of the NPs in composite was increased by co-existing with protein at low pH, while their dipolar nature was maintained at high pH. Self-assembly of the protein into fibrils is accelerated with increasing NP concentration within an optimal range, which is attributed to a fibrillation-competent conformation of the peptides. The latter was explained by the formation of favorable hydrogen bonds, electrostatic interactions, and efficient surface energy transfer between NPs and proteins.
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Affiliation(s)
- Jing Li
- The Department of Molecular Sciences, SLU - Swedish University of Agricultural Sciences, Box 7015, SE-750 07, Uppsala, Sweden.
| | - Ievgen Pylypchuk
- The Department of Molecular Sciences, SLU - Swedish University of Agricultural Sciences, Box 7015, SE-750 07, Uppsala, Sweden
| | - Daniel P Johansson
- The Department of Molecular Sciences, SLU - Swedish University of Agricultural Sciences, Box 7015, SE-750 07, Uppsala, Sweden
| | - Vadim G Kessler
- The Department of Molecular Sciences, SLU - Swedish University of Agricultural Sciences, Box 7015, SE-750 07, Uppsala, Sweden
| | - Gulaim A Seisenbaeva
- The Department of Molecular Sciences, SLU - Swedish University of Agricultural Sciences, Box 7015, SE-750 07, Uppsala, Sweden.
| | - Maud Langton
- The Department of Molecular Sciences, SLU - Swedish University of Agricultural Sciences, Box 7015, SE-750 07, Uppsala, Sweden.
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Jishkariani D, Elbert KC, Wu Y, Lee JD, Hermes M, Wang D, van Blaaderen A, Murray CB. Nanocrystal Core Size and Shape Substitutional Doping and Underlying Crystalline Order in Nanocrystal Superlattices. ACS Nano 2019; 13:5712-5719. [PMID: 31050884 DOI: 10.1021/acsnano.9b01107] [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] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Substitutional doping is a potentially powerful technique to control the properties of nanocrystal (NC) superlattices (SLs). However, not every NC can be substituted into any lattice, as the NCs have to be close in size and shape, limiting the application of substitutional doping. Here we show that this limitation can be overcome by employing ligands of various size. We show that small NCs with long ligands can be substituted into SLs of big NCs with short ligands. Furthermore, we show that shape differences can also be overcome and that cubes can substitute spheres when both are coated with long ligands. Finally, we use the NC effective ligand size, softness, and effective overall size ratio to explain observed doping behaviors.
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Affiliation(s)
- Davit Jishkariani
- Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104 , United States
| | - Katherine C Elbert
- Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104 , United States
| | - Yaoting Wu
- Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104 , United States
| | - Jennifer D Lee
- Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104 , United States
| | - Michiel Hermes
- Soft Condensed Matter, Debye Institute for Nanomaterials Science , Utrecht University , Princetonplein 5 , 3584 CC Utrecht , The Netherlands
| | - Da Wang
- Soft Condensed Matter, Debye Institute for Nanomaterials Science , Utrecht University , Princetonplein 5 , 3584 CC Utrecht , The Netherlands
| | - Alfons van Blaaderen
- Soft Condensed Matter, Debye Institute for Nanomaterials Science , Utrecht University , Princetonplein 5 , 3584 CC Utrecht , The Netherlands
| | - Christopher B Murray
- Department of Chemistry , University of Pennsylvania , Philadelphia , Pennsylvania 19104 , United States
- Department of Materials Science and Engineering , University of Pennsylvania , Philadelphia , Pennsylvania 19104 , United States
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Jishkariani D, Lee JD, Yun H, Paik T, Kikkawa JM, Kagan CR, Donnio B, Murray CB. The dendritic effect and magnetic permeability in dendron coated nickel and manganese zinc ferrite nanoparticles. Nanoscale 2017; 9:13922-13928. [PMID: 28905962 DOI: 10.1039/c7nr05769e] [Citation(s) in RCA: 4] [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: 06/07/2023]
Abstract
The collective magnetic properties of nanoparticle (NP) solid films are greatly affected by inter-particle dipole-dipole interactions and therefore the proximity of the neighboring particles. In this study, a series of dendritic ligands (generations 0 to 3, G0-G3) have been designed and used to cover the surface of magnetic NPs to control the spacings between the NP components in single lattices. The dendrons of different generations introduced here were based on the 2,2-bis(hydroxymethyl)propionic acid (Bis-MPA) scaffold and equipped with an appropriate surface binding group at one end and several fatty acid segments at the other extremity. The surface of the NPs was then modified by partial ligand exchange between the primary stabilizing surfactants and the new dendritic wedges. It was shown that this strategy permitted very precise tuning of inter-particle spacings in the range of 2.9-5.0 nm. As expected, the increase in the inter-particle spacings reduced the dipole-dipole interactions between magnetic NPs and therefore allowed changes in their magnetic permeability. The dendron size and inter-particle distance dependence was studied to reveal the dendritic effect and identify the optimal geometry and generation.
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Affiliation(s)
- Davit Jishkariani
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Jishkariani D, Wu Y, Wang D, Liu Y, van Blaaderen A, Murray CB. Preparation and Self-Assembly of Dendronized Janus Fe 3O 4-Pt and Fe 3O 4-Au Heterodimers. ACS Nano 2017; 11:7958-7966. [PMID: 28771319 DOI: 10.1021/acsnano.7b02485] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Janus nanoparticles (NPs) often referred to as nanosized analogs of molecular surfactants are amphiphilic structures with potential applications in materials science, biomedicine, and catalysis, and their synthesis and self-assembly into complex architectures remain challenging. Here, we demonstrate the preparation of Janus heterodimers via asymmetric functionalization of Fe3O4-Pt and Fe3O4-Au heterodimeric NPs. The hydrophobic and hydrophilic dendritic ligands that carry phosphonic acid and disulfide surface binding groups selectively coat the iron oxide and platinum (or gold) parts of the heterodimer, respectively. Such an approach allows simple and efficient preparation of amphiphilic structures. Moreover, liquid-air interface self-assembly studies of each ligand exchange step revealed a drastic improvement in film crystallinity, suggesting the dendronization induced improvement of the whole particle polydispersity of the heterodimers.
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Affiliation(s)
- Davit Jishkariani
- Complex Assemblies of Soft Matter Laboratory (COMPASS), UMI 3254, CNRS-Solvay-University of Pennsylvania , CRTB, 350 George Patterson Boulevard, Bristol, Pennsylvania 19007, United States
| | | | - Da Wang
- Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University , Princetonplein 5, 3584 CC Utrecht, The Netherlands
| | - Yang Liu
- Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University , Princetonplein 5, 3584 CC Utrecht, The Netherlands
- Department of Earth Sciences, Utrecht University , Budapestlaan 4, 3584 CD Utrecht, The Netherlands
| | - Alfons van Blaaderen
- Soft Condensed Matter, Debye Institute for Nanomaterials Science, Utrecht University , Princetonplein 5, 3584 CC Utrecht, The Netherlands
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Ourry L, Toulemon D, Ammar S, Mammeri F. Methods for preparing polymer-decorated single exchange-biased magnetic nanoparticles for application in flexible polymer-based films. Beilstein J Nanotechnol 2017; 8:408-417. [PMID: 28326230 PMCID: PMC5331318 DOI: 10.3762/bjnano.8.43] [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] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 01/19/2017] [Indexed: 06/06/2023]
Abstract
Background: Magnetic nanoparticles (NPs) must not only be well-defined in composition, shape and size to exhibit the desired properties (e.g., exchange-bias for thermal stability of the magnetization) but also judiciously functionalized to ensure their stability in air and their compatibility with a polymer matrix, in order to avoid aggregation which may seriously affect their physical properties. Dipolar interactions between NPs too close to each other favour a collective magnetic glass state with lower magnetization and coercivity because of inhomogeneous and frustrated macrospin cluster freezing. Consequently, tailoring chemically (through surface functionalization) and magnetically stable NPs for technological applications is of primary importance. Results: In this work, well-characterized exchange-biased perfectly epitaxial Co x Fe3-x O4@CoO core@shell NPs, which were isotropic in shape and of about 10 nm in diameter, were decorated by two different polymers, poly(methyl methacrylate) (PMMA) or polystyrene (PS), using radical-controlled polymerization under various processing conditions. We compared the influence of the synthesis parameters on the structural and microstructural properties of the resulting hybrid systems, with special emphasis on significantly reducing their mutual magnetic attraction. For this, we followed two routes: the first one consists of the direct grafting of bromopropionyl ester groups at the surface of the NPs, which were previously recovered and redispersed in a suitable solvent. The second route deals with an "all in solution" process, based on the decoration of NPs by oleic acid followed by ligand exchange with the desired bromopropionyl ester groups. We then built various assemblies of NPs directly on a substrate or suspended in PMMA. Conclusion: The alternative two-step strategy leads to better dispersed polymer-decorated magnetic particles, and the resulting nanohybrids can be considered as valuable building blocks for flexible, magnetic polymer-based devices.
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Affiliation(s)
- Laurence Ourry
- Université Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7086 ITODYS, Case 7090, 5 rue Thomas Mann, Paris, France
| | - Delphine Toulemon
- Université Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7086 ITODYS, Case 7090, 5 rue Thomas Mann, Paris, France
| | - Souad Ammar
- Université Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7086 ITODYS, Case 7090, 5 rue Thomas Mann, Paris, France
| | - Fayna Mammeri
- Université Paris Diderot, Sorbonne Paris Cité, CNRS UMR 7086 ITODYS, Case 7090, 5 rue Thomas Mann, Paris, France
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Jiang C, Leung CW, Pong PWT. Magnetic-Field-Assisted Assembly of Anisotropic Superstructures by Iron Oxide Nanoparticles and Their Enhanced Magnetism. Nanoscale Res Lett 2016; 11:189. [PMID: 27067737 PMCID: PMC4828407 DOI: 10.1186/s11671-016-1406-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2016] [Accepted: 04/04/2016] [Indexed: 05/19/2023]
Abstract
Magnetic nanoparticle superstructures with controlled magnetic alignment and desired structural anisotropy hold promise for applications in data storage and energy storage. Assembly of monodisperse magnetic nanoparticles under a magnetic field could lead to highly ordered superstructures, providing distinctive magnetic properties. In this work, a low-cost fabrication technique was demonstrated to assemble sub-20-nm iron oxide nanoparticles into crystalline superstructures under an in-plane magnetic field. The gradient of the applied magnetic field contributes to the anisotropic formation of micron-sized superstructures. The magnitude of the applied magnetic field promotes the alignment of magnetic moments of the nanoparticles. The strong dipole-dipole interactions between the neighboring nanoparticles lead to a close-packed pattern as an energetically favorable configuration. Rod-shaped and spindle-shaped superstructures with uniform size and controlled spacing were obtained using spherical and polyhedral nanoparticles, respectively. The arrangement and alignment of the superstructures can be tuned by changing the experimental conditions. The two types of superstructures both show enhancement of coercivity and saturation magnetization along the applied field direction, which is presumably associated with the magnetic anisotropy and magnetic dipole interactions of the constituent nanoparticles and the increased shape anisotropy of the superstructures. Our results show that the magnetic-field-assisted assembly technique could be used for fabricating nanomaterial-based structures with controlled geometric dimensions and enhanced magnetic properties for magnetic and energy storage applications.
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Affiliation(s)
- Chengpeng Jiang
- />Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, Hong Kong
| | - Chi Wah Leung
- />Department of Applied Physics, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Philip W. T. Pong
- />Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, Hong Kong
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Diroll BT, Jishkariani D, Cargnello M, Murray CB, Donnio B. Polycatenar Ligand Control of the Synthesis and Self-Assembly of Colloidal Nanocrystals. J Am Chem Soc 2016; 138:10508-15. [DOI: 10.1021/jacs.6b04979] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Benjamin T. Diroll
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Davit Jishkariani
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Complex
Assemblies of Soft Matter Laboratory (COMPASS), UMI 3254, CNRS-Solvay−University of Pennsylvania, Bristol, Pennsylvania 19007, United States
| | - Matteo Cargnello
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Christopher B. Murray
- Department
of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
- Department
of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Bertrand Donnio
- Complex
Assemblies of Soft Matter Laboratory (COMPASS), UMI 3254, CNRS-Solvay−University of Pennsylvania, Bristol, Pennsylvania 19007, United States
- Institut
de Physique et Chimie des Matériaux de Strasbourg (IPCMS),
UMR 7504, CNRS−Université de Strasbourg, 67034 cedex
2, Strasbourg, France
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Toulemon D, Liu Y, Cattoën X, Leuvrey C, Bégin-Colin S, Pichon BP. Enhanced Collective Magnetic Properties in 2D Monolayers of Iron Oxide Nanoparticles Favored by Local Order and Local 1D Shape Anisotropy. Langmuir 2016; 32:1621-1628. [PMID: 26807596 DOI: 10.1021/acs.langmuir.5b04145] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Magnetic nanoparticle arrays represent a very attractive research field because their collective properties can be efficiently modulated as a function of the structure of the assembly. Nevertheless, understanding the way dipolar interactions influence the intrinsic magnetic properties of nanoparticles still remains a great challenge. In this study, we report on the preparation of 2D assemblies of iron oxide nanoparticles as monolayers deposited onto substrates. Assemblies have been prepared by using the Langmuir-Blodgett technique and the SAM assisted assembling technique combined to CuAAC "click" reaction. These techniques afford to control the formation of well-defined monolayers of nanoparticles on large areas. The LB technique controls local ordering of nanoparticles, while adjusting the kinetics of CuAAC "click" reaction strongly affects the spatial arrangement of nanoparticles in monolayers. Fast kinetics favor disordered assemblies while slow kinetics favor the formation of chain-like structures. Such anisotropic assemblies are induced by dipolar interactions between nanoparticles as no magnetic field is applied and no solvent evaporation is performed. The collective magnetic properties of monolayers are studied as a function of average interparticle distance, local order and local shape anisotropy. We demonstrate that local control on spatial arrangement of nanoparticles in monolayers significantly strengthens dipolar interactions which enhances collective properties and results in possible super ferromagnetic order.
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Affiliation(s)
- Delphine Toulemon
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS, UMR 7504 UdS/ECPM CNRS) , 23 rue du Loess, BP 43, 67037, Strasbourg, France
| | - Yu Liu
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS, UMR 7504 UdS/ECPM CNRS) , 23 rue du Loess, BP 43, 67037, Strasbourg, France
| | - Xavier Cattoën
- Institut Néel, CNRS and Univ. Grenoble-Alpes, UPR 2940 , 25 rue des Martyrs, 38042 Grenoble, France
| | - Cédric Leuvrey
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS, UMR 7504 UdS/ECPM CNRS) , 23 rue du Loess, BP 43, 67037, Strasbourg, France
| | - Sylvie Bégin-Colin
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS, UMR 7504 UdS/ECPM CNRS) , 23 rue du Loess, BP 43, 67037, Strasbourg, France
| | - Benoit P Pichon
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS, UMR 7504 UdS/ECPM CNRS) , 23 rue du Loess, BP 43, 67037, Strasbourg, France
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Ourry L, Mammeri F, Toulemon D, Gaudisson T, Delamar M, Ammar S. A tandem polyol process and ATRP used to design new processable hybrid exchange-biased CoxFe3−xO4@CoO@PMMA nanoparticles. RSC Adv 2016. [DOI: 10.1039/c6ra06963k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [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] Open
Abstract
The relationships between interparticle distance and magnetic properties of CoxFe3−xO4@CoO@PMMA nanoparticles clearly emphasize the role of material processing for the design of tailored flexible polymer based hybrid materials.
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Affiliation(s)
- L. Ourry
- Université Paris Diderot
- Sorbonne Paris Cité
- ITODYS CNRS UMR 7086
- 75205 Paris Cedex 13
- France
| | - F. Mammeri
- Université Paris Diderot
- Sorbonne Paris Cité
- ITODYS CNRS UMR 7086
- 75205 Paris Cedex 13
- France
| | - D. Toulemon
- Université Paris Diderot
- Sorbonne Paris Cité
- ITODYS CNRS UMR 7086
- 75205 Paris Cedex 13
- France
| | - T. Gaudisson
- Université Paris Diderot
- Sorbonne Paris Cité
- ITODYS CNRS UMR 7086
- 75205 Paris Cedex 13
- France
| | - M. Delamar
- Université Paris Diderot
- Sorbonne Paris Cité
- ITODYS CNRS UMR 7086
- 75205 Paris Cedex 13
- France
| | - S. Ammar
- Université Paris Diderot
- Sorbonne Paris Cité
- ITODYS CNRS UMR 7086
- 75205 Paris Cedex 13
- France
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Jishkariani D, Diroll BT, Cargnello M, Klein DR, Hough LA, Murray CB, Donnio B. Dendron-Mediated Engineering of Interparticle Separation and Self-Assembly in Dendronized Gold Nanoparticles Superlattices. J Am Chem Soc 2015; 137:10728-34. [PMID: 26258660 DOI: 10.1021/jacs.5b06306] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [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
Self-assembly of nanoparticles into designed structures with controlled interparticle separations is of crucial importance for the engineering of new materials with tunable functions and for the subsequent bottom-up fabrication of functional devices. In this study, a series of lipophilic, highly flexible, disulfide dendritic wedges (generations 0-4), based on 2,2-bis(hydroxymethyl)propionic acid, was designed to bind Au nanoparticles with a thiolate bond. By controlling the solvent evaporation rate, the corresponding dendron-capped Au hybrids were found to self-organize into hexagonal close-packed (hcp) superlattices. The interparticular spacing was progressively varied from 2.2 to 6.3 nm with increasing dendritic generation, covering a range that is intermediate between commercial ligands and DNA-based ligand shells. Dual mixtures made from some of these dendronized hybrids (i.e., same inner core size but different dendritic covering) yielded binary superlattice structures of unprecedented single inorganic components, which are isostructural with NaZn13 and CaCu5 crystals.
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Affiliation(s)
- Davit Jishkariani
- Department of Chemistry, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States.,Complex Assemblies of Soft Matter Laboratory (COMPASS), UMI 3254, CNRS-Solvay-University of Pennsylvania, CRTB , 350 George Patterson Boulevard, Bristol, Pennsylvania 19007, United States
| | - Benjamin T Diroll
- Department of Chemistry, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States
| | - Matteo Cargnello
- Department of Chemistry, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States
| | - Dahlia R Klein
- Department of Chemistry, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States
| | - Lawrence A Hough
- Complex Assemblies of Soft Matter Laboratory (COMPASS), UMI 3254, CNRS-Solvay-University of Pennsylvania, CRTB , 350 George Patterson Boulevard, Bristol, Pennsylvania 19007, United States
| | - Christopher B Murray
- Department of Chemistry, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States.,Department of Materials Science and Engineering, University of Pennsylvania , Philadelphia, Pennsylvania 19104, United States
| | - Bertrand Donnio
- Complex Assemblies of Soft Matter Laboratory (COMPASS), UMI 3254, CNRS-Solvay-University of Pennsylvania, CRTB , 350 George Patterson Boulevard, Bristol, Pennsylvania 19007, United States.,Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504, CNRS-Université de Strasbourg , 23 rue du Loess, BP43, Strasbourg 67034 Cedex 2, France
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16
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Tran VT, Zhou H, Lee S, Hong SC, Kim J, Jeong SY, Lee J. Magnetic-assembly mechanism of superparamagneto-plasmonic nanoparticles on a charged surface. ACS Appl Mater Interfaces 2015; 7:8650-8658. [PMID: 25856000 DOI: 10.1021/acsami.5b00904] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
One-dimensional magnetoplasmonic nanochains (MPNCs) were self-assembled using Au-coated Fe3O4 core-shell superparamagnetic nanoparticles (Fe3O4@Au NPs) by applying an external static magnetic field. The assembly mechanism of the Fe3O4@Au NPs was investigated thoroughly, revealing that substrate-particle interactions, van der Waals forces, and magnetic forces play important roles in the formation and control of the MPNCs. Magnetic force microscopy (MFM) and vibrating sample magnetometry (VSM) were used to study the magnetic properties of the MPNCs, which were compared with those of Fe3O4 nanochains.
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Affiliation(s)
- Van Tan Tran
- †Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea
| | - Hongjian Zhou
- §Key Laboratory of Materials Physics, Centre for Environmental and Energy Nanomaterials, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, P. R. China
| | - Seunghun Lee
- †Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea
| | - Seong Cheol Hong
- †Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea
| | - Jeonghyo Kim
- †Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea
| | - Se-Young Jeong
- †Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea
| | - Jaebeom Lee
- †Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Republic of Korea
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Liu Y, Begin-Colin S, Pichon BP, Leuvrey C, Ihiawakrim D, Rastei M, Schmerber G, Vomir M, Bigot JY. Two dimensional dipolar coupling in monolayers of silver and gold nanoparticles on a dielectric substrate. Nanoscale 2014; 6:12080-12088. [PMID: 25195770 DOI: 10.1039/c4nr03292f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
The dimensionality of assembled nanoparticles plays an important role in their optical and magnetic properties, via dipolar effects and the interaction with their environment. In this work we develop a methodology for distinguishing between two (2D) and three (3D) dimensional collective interactions on the surface plasmon resonance of assembled metal nanoparticles. Towards that goal, we elaborate different sets of Au and Ag nanoparticles as suspensions, random 3D arrangements and well organized 2D arrays. Then we model their scattering cross-section using effective field methods in dimension n, including interparticle as well as particle-substrate dipolar interactions. For this modelling, two effective field medium approaches are employed, taking into account the filling factors of the assemblies. Our results are important for realizing photonic amplifier devices.
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Affiliation(s)
- Yu Liu
- Institut de Physique et Chimie des Matériaux de Strasbourg, CNRS, Université de Strasbourg, UMR 7504, 23, rue du Loess, BP43, 67034 Strasbourg, France.
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Chechetka SA, Pichon B, Zhang M, Yudasaka M, Bégin-Colin S, Bianco A, Miyako E. Multifunctional Carbon Nanohorn Complexes for Cancer Treatment. Chem Asian J 2014; 10:160-5. [DOI: 10.1002/asia.201403059] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Indexed: 12/17/2022]
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Lewandowski W, Wójcik M, Górecka E. Metal Nanoparticles with Liquid-Crystalline Ligands: Controlling Nanoparticle Superlattice Structure and Properties. Chemphyschem 2014; 15:1283-95. [DOI: 10.1002/cphc.201301194] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 03/20/2014] [Indexed: 01/24/2023]
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Prodanov MF, Vashchenko OV, Vashchenko VV. A synthetic strategy toward branched oligomesogenic phosphonic acids: comparison of alternative pathways. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2013.11.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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