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Kotov NA. Layered Biomimetic Composites from MXenes with Sequential Bridging. Angew Chem Int Ed Engl 2022; 61:e202114140. [DOI: 10.1002/anie.202114140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Indexed: 11/10/2022]
Affiliation(s)
- Nicholas A. Kotov
- Department of Chemical Engineering Biointerfaces Institute Department of Materials Science and Engineering University of Michigan Ann Arbor MI 48109 USA
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2
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Kotov NA. Layered Biomimetic Composites from MXenes with Sequential Bridging. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Nicholas A. Kotov
- Department of Chemical Engineering Biointerfaces Institute Department of Materials Science and Engineering University of Michigan Ann Arbor MI 48109 USA
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3
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Deepracha S, Atfane L, Ayral A, Ogawa M. Simple and efficient method for functionalizing photocatalytic ceramic membranes and assessment of its applicability for wastewater treatment in up-scalable membrane reactors. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118307] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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4
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Kiryukhin MV, Lau HH, Lim SH, Salgado G, Fan C, Ng YZ, Leavesley DI, Upton Z. Arrays of Biocompatible and Mechanically Robust Microchambers Made of Protein-Polyphenol-Clay Multilayer Films. ACS Biomater Sci Eng 2020; 6:5653-5661. [PMID: 33320583 DOI: 10.1021/acsbiomaterials.0c00973] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
There is a growing demand for biocompatible and mechanically robust arrays of microcompartments loaded with minute amounts of active substances for sensing or controlled release applications. Here we report on a novel biocompatible composite material, protein-polyphenol-clay (PPC) multilayer film. The material is shown to be strong enough to make robust microchambers retaining the shape and dimensions of truncated square pyramids. We study the mechanical properties and biocompatibility of the PPC microchambers and compare them to those made of synthetic polyelectrolyte multilayer film, poly(styrenesulfonate)-poly(allylammonium) (PSS-PAH). The mechanical properties of the microchambers were characterized under uniaxial compression using nanoindentation with a flat-punch tip. The effective Young's modulus of PPC microchambers, 166 ± 53 MPa, is found to be lower than that of PSS-PAH microchambers, 245 ± 52 MPa. However, the capacity to elastically absorb the energy of the former, 2.4 ± 1.0 MPa, is marginally higher than of the latter, 2.0 ± 1.3 MPa. Arrays of microchambers were sealed onto a polyethylene film, loaded with a model oil-soluble drug, and their biocompatibility was tested using an ex vivo 3D human skin reconstruct model. We found no evidence for toxicity with the PPC microchambers; however, PSS-PAH microchambers stimulated reduced cell density in the epidermis and significantly affected epidermal-dermal attachment. Both materials do not alter skin cell proliferation but affect skin cell differentiation. We interpret that rather than affecting epidermal barrier function, these data suggest the applied plastic films with microchamber arrays affect transpiration, normoxia, and moisture exchange.
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Affiliation(s)
- Maxim V Kiryukhin
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634
| | - Hooi Hong Lau
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634
| | - Su Hui Lim
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634
| | - Giorgiana Salgado
- Skin Research Institute of Singapore, A*STAR, 11 Mandalay Road, #17-01, Singapore 308232
| | - Chen Fan
- Skin Research Institute of Singapore, A*STAR, 11 Mandalay Road, #17-01, Singapore 308232
| | - Yi Zhen Ng
- Skin Research Institute of Singapore, A*STAR, 11 Mandalay Road, #17-01, Singapore 308232
| | - David I Leavesley
- Skin Research Institute of Singapore, A*STAR, 11 Mandalay Road, #17-01, Singapore 308232
| | - Zee Upton
- Skin Research Institute of Singapore, A*STAR, 11 Mandalay Road, #17-01, Singapore 308232
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Gao W, Wang M, Bai H. A review of multifunctional nacre-mimetic materials based on bidirectional freeze casting. J Mech Behav Biomed Mater 2020; 109:103820. [PMID: 32543396 DOI: 10.1016/j.jmbbm.2020.103820] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 03/03/2020] [Accepted: 04/20/2020] [Indexed: 12/13/2022]
Abstract
Nacre has achieved an excellent combination of strength and toughness through its unique brick-and-mortar structure of layered aragonite platelets bonded with biopolymers. Mimicking nacre has been considered as a practical way for the development of high-performance structural composites. Over the past years, many techniques have been developed to fabricate multifunctional nacre-mimetic materials, including freeze casting, layer-by-layer assembly, vacuum filtration, 3D printing and so on. Among them, freeze casting, especially bidirectional freeze casting, as an environmentally friendly and scalable method, has attracted extensive attention recently. In this review, we begin with the introduction and discussion of various fabrication techniques comparing their advantages and disadvantages, focusing on the most recent advances of the bidirectional freeze casting technique. Then, we summarize representative examples of applying the bidirectional freeze casting technique to assemble various building blocks into multifunctional nacre-mimetic materials and their wide applications. At the end, we discuss the future direction of using bidirectional freeze casting to make nacre-mimetic materials.
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Affiliation(s)
- Weiwei Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Key Laboratory of Adsorption and Separation Materials & Technologies of Zhejiang Province, China
| | - Mengning Wang
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Hao Bai
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
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6
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Zhong F, Thomann R, Thomann Y, Burk L, Mülhaupt R. Melt-Processable Nacre-Mimetic Hydrocarbon Composites via Polymer 1D Nanostructure Formation. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b01184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Fan Zhong
- Freiburg Materials Research Center (FMF) and Institute for Macromolecular Chemistry of the Albert-Ludwigs-University Freiburg, Stefan-Meier-Strasse 31, Freiburg D-79104, Germany
| | - Ralf Thomann
- Freiburg Materials Research Center (FMF) and Institute for Macromolecular Chemistry of the Albert-Ludwigs-University Freiburg, Stefan-Meier-Strasse 31, Freiburg D-79104, Germany
| | - Yi Thomann
- Freiburg Materials Research Center (FMF) and Institute for Macromolecular Chemistry of the Albert-Ludwigs-University Freiburg, Stefan-Meier-Strasse 31, Freiburg D-79104, Germany
| | - Laura Burk
- Freiburg Materials Research Center (FMF) and Institute for Macromolecular Chemistry of the Albert-Ludwigs-University Freiburg, Stefan-Meier-Strasse 31, Freiburg D-79104, Germany
| | - Rolf Mülhaupt
- Freiburg Materials Research Center (FMF) and Institute for Macromolecular Chemistry of the Albert-Ludwigs-University Freiburg, Stefan-Meier-Strasse 31, Freiburg D-79104, Germany
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7
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Somosi Z, Pavlovic M, Pálinkó I, Szilágyi I. Effect of Polyelectrolyte Mono- and Bilayer Formation on the Colloidal Stability of Layered Double Hydroxide Nanoparticles. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E986. [PMID: 30487401 PMCID: PMC6316193 DOI: 10.3390/nano8120986] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 11/14/2018] [Accepted: 11/26/2018] [Indexed: 12/30/2022]
Abstract
Sequential adsorption of polyelectrolytes on nanoparticles is a popular method to obtain thin films after deposition. However, the effect of polyelectrolyte multilayer formation on the colloidal stability of the nanoparticles has not been studied in detail. In the present work, layered double hydroxides (LDH) were synthesized and interaction with oppositely and like-charged polyelectrolytes was investigated. Electrophoretic and light scattering measurements revealed that colloidal stability of LDH can be tuned by adsorption of poly(styrene sulfonate) (PSS) on the oppositely charged LDH surface in appropriate doses and thus, unstable or stable dispersions can be designed. Negatively charged LDH of adsorbed PSS monolayer was obtained and a poly(diallyldimethyl ammonium chloride) (PDADMAC) second layer was systematically built on the particles. The obtained polyelectrolyte bilayer provided high colloidal stability for the LDH-PSS-PDADMAC dispersions due to the presence of repulsive interparticle forces of electrostatic and steric origin. The results provide crucial quantitative information on designing highly stable particle-polyelectrolyte systems for the preparation of thin films or immobilization of guest substances between the layers for delivery processes.
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Affiliation(s)
- Zoltán Somosi
- MTA-SZTE Lendület Biocolloids Research Group, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary.
- Interdisciplinary Excellence Centre, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary.
| | - Marko Pavlovic
- MTA-SZTE Lendület Biocolloids Research Group, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary.
| | - István Pálinkó
- Material and Solution Structure Research Group, Department of Organic Chemistry, University of Szeged, H-6720 Szeged, Hungary.
| | - István Szilágyi
- MTA-SZTE Lendület Biocolloids Research Group, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary.
- Interdisciplinary Excellence Centre, Department of Physical Chemistry and Materials Science, University of Szeged, H-6720 Szeged, Hungary.
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8
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Cortez ML, Lorenzo A, Marmisollé WA, von Bilderling C, Maza E, Pietrasanta L, Battaglini F, Ceolín M, Azzaroni O. Highly-organized stacked multilayers via layer-by-layer assembly of lipid-like surfactants and polyelectrolytes. Stratified supramolecular structures for (bio)electrochemical nanoarchitectonics. SOFT MATTER 2018; 14:1939-1952. [PMID: 29479625 DOI: 10.1039/c8sm00052b] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Supramolecular self-assembly is of paramount importance for the development of novel functional materials with molecular-level feature control. In particular, the interest in creating well-defined stratified multilayers through simple methods using readily available building blocks is motivated by a multitude of research activities in the field of "nanoarchitectonics" as well as evolving technological applications. Herein, we report on the facile preparation and application of highly organized stacked multilayers via layer-by-layer assembly of lipid-like surfactants and polyelectrolytes. Polyelectrolyte multilayers with high degree of stratification of the internal structure were constructed through consecutive assembly of polyallylamine and dodecyl phosphate, a lipid-like surfactant that act as a structure-directing agent. We show that multilayers form well-defined lamellar hydrophilic/hydrophobic domains oriented parallel to the substrate. More important, X-ray reflectivity characterization conclusively revealed the presence of Bragg peaks up to fourth order, evidencing the highly stratified structure of the multilayer. Additionally, hydrophobic lamellar domains were used as hosts for ferrocene in order to create an electrochemically active film displaying spatially-addressed redox units. Stacked multilayers were then assembled integrating redox-tagged polyallylamine and glucose oxidase into the stratified hydrophilic domains. Bioelectrocatalysis and "redox wiring" in the presence of glucose was demonstrated to occur inside the stratified multilayer.
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Affiliation(s)
- M Lorena Cortez
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata - CONICET, La Plata, Argentina.
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Zhang YQ, Sanati-Nezhad A, Hejazi SH. Geo-material surface modification of microchips using layer-by-layer (LbL) assembly for subsurface energy and environmental applications. LAB ON A CHIP 2018; 18:285-295. [PMID: 29199291 DOI: 10.1039/c7lc00675f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A key constraint in the application of microfluidic technology to subsurface flow and transport processes is the surface discrepancy between microchips and the actual rocks/soils. This research employs a novel layer-by-layer (LbL) assembly technology to produce rock-forming mineral coatings on microchip surfaces. The outcome of the work is a series of 'surface-mimetic micro-reservoirs (SMMR)' that represent multi-scales and multi-types of natural rocks/soils. For demonstration, the clay pores of sandstones and mudrocks are reconstructed by representatively coating montmorillonite and kaolinite in polydimethylsiloxane (PDMS) microchips in a wide range of channel sizes (width of 10-250 μm, depth of 40-100 μm) and on glass substrates. The morphological and structural properties of mineral coatings are characterized using a scanning electron microscope (SEM), optical microscope and profilometer. The coating stability is tested by dynamic flooding experiments. The surface wettability is characterized by measuring mineral oil-water contact angles. The results demonstrate the formation of nano- to micro-scale, fully-covered and stable mineral surfaces with varying wetting properties. There is an opportunity to use this work in the development of microfluidic technology-based applications for subsurface energy and environmental research.
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Affiliation(s)
- Y Q Zhang
- Subsurface Fluidics and Porous Media Laboratory, Chemical and Petroleum Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada.
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10
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Silva RD, Stefanichen Monteiro I, Chaparro TDC, Silva Hardt R, Giudici R, Barros-Timmons A, Bourgeat-Lami E, Martins Dos Santos A. Investigation of the Adsorption of Amphipathic macroRAFT Agents onto Montmorillonite Clay. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:9598-9608. [PMID: 28795812 DOI: 10.1021/acs.langmuir.7b01882] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Recently, there has been significant interest in the use of the reversible addition-fragmentation chain-transfer (RAFT) technique to generate a variety of organic/inorganic colloidal composite particles in aqueous dispersed media using the so-called macroRAFT-assisted encapsulating emulsion polymerization (REEP) strategy. In this process, special attention should be paid to the adsorption of the macromolecular RAFT (macroRAFT) agent onto the inorganic particles, as it determines the final particle morphology and can also influence latex stability. In this work, different amphipathic macroRAFT agents were synthesized by RAFT, and their adsorption onto commercial Montmorillonite clay Cloisite Na+ (MMT) was studied by means of adsorption isotherms. Three types of macroRAFT agents were considered: a nonionic one based on poly(ethylene glycol) methyl ether acrylate (PEGA) and n-butyl acrylate (BA), anionic ones, including a block copolymer and random copolymers, based on acrylic acid (AA), BA and PEGA, and cationic ones based on 2-(dimethylamino)ethyl methacrylate (DMAEMA), BA and PEGA. Six adsorption isotherm models (Langmuir, Freundlich, Tempkin, Redlich-Peterson, Sips, and Brunauer-Emmett-Teller) were adjusted to the experimental isotherms. The nonionic macroRAFT agent formed a monolayer on the clay surface with a maximum adsorption capacity of 400 mg g-1 at pH 8, as determined from the Sips adsorption model. Adsorption of the AA-based macroRAFT agents onto MMT was moderate at alkaline pH due to electrostatic repulsions, but increased with decreasing pH. The DMAEMA-based macroRAFT agents displayed a much stronger interaction with the oppositely charged MMT surface at acidic pH due to electrostatic interactions, and the concentration of adsorbed macroRAFT agent reached values as high as 800 mg g-1. The BET model fitted the experimental data relatively well indicating multilayer adsorption promoted by the presence of the hydrophobic BA units. In addition, the cationic macroRAFT agents afforded stable MMT/macroRAFT agent complexes as evaluated by dynamic light scattering and zeta potential analyses.
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Affiliation(s)
- Rodrigo Duarte Silva
- Engineering School of Lorena - University of São Paulo, Laboratory of Polymers, 12602-810 Lorena/SP, Brazil
| | - Igor Stefanichen Monteiro
- Engineering School of Lorena - University of São Paulo, Laboratory of Polymers, 12602-810 Lorena/SP, Brazil
| | - Thaíssa de Camargo Chaparro
- Engineering School of Lorena - University of São Paulo, Laboratory of Polymers, 12602-810 Lorena/SP, Brazil
- Université Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, UMR 5265, Chemistry, Catalysis, Polymers and Processes (C2P2), 43 Bvd. du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Raíssa Silva Hardt
- Engineering School of Lorena - University of São Paulo, Laboratory of Polymers, 12602-810 Lorena/SP, Brazil
| | - Reinaldo Giudici
- Department of Chemical Engineering, Polytechnic School of the University of São Paulo , 05508-010 São Paulo/SP, Brazil
| | - A Barros-Timmons
- Department of Chemistry, University of Aveiro, CICECO - Aveiro Institute of Materials, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Elodie Bourgeat-Lami
- Université Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, UMR 5265, Chemistry, Catalysis, Polymers and Processes (C2P2), 43 Bvd. du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Amilton Martins Dos Santos
- Engineering School of Lorena - University of São Paulo, Laboratory of Polymers, 12602-810 Lorena/SP, Brazil
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Rouster P, Pavlovic M, Horváth E, Forró L, Dey SK, Szilagyi I. Influence of Protamine Functionalization on the Colloidal Stability of 1D and 2D Titanium Oxide Nanostructures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:9750-9758. [PMID: 28829607 DOI: 10.1021/acs.langmuir.7b01815] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The colloidal stability of titanium oxide nanosheets (TNS) and nanowires (TiONW) was studied in the presence of protamine (natural polyelectrolyte) in aqueous dispersions, where the nanostructures possessed negative net charge, and the protamine was positively charged. Regardless of their shape, similar charging and aggregation behaviors were observed for both TNS and TiONW. Electrophoretic experiments performed at different protamine loadings revealed that the adsorption of protamine led to charge neutralization and charge inversion depending on the polyelectrolyte dose applied. Light scattering measurements indicated unstable dispersions once the surface charge was close to zero or slow aggregation below and above the charge neutralization point with negatively or positively charged nanostructures, respectively. These stability regimes were confirmed by the electron microscopy images taken at different polyelectrolyte loadings. The protamine dose and salt-dependent colloidal stability confirmed the presence of DLVO-type interparticle forces, and no experimental evidence was found for additional interactions (e.g., patch-charge, hydrophobic, or steric forces), which are usually present in similar polyelectrolyte-particle systems. These findings indicate that the polyelectrolyte adsorbs on the TNS and TiONW surfaces in a flat and extended conformation giving rise to the absence of surface heterogeneities. Therefore, protamine is an excellent biocompatible candidate to form smooth surfaces, for instance in multilayers composed of polyelectrolytes and particles to be used in biomedical applications.
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Affiliation(s)
- Paul Rouster
- School of Chemistry and Biochemistry, University of Geneva , CH-1205 Geneva, Switzerland
| | - Marko Pavlovic
- School of Chemistry and Biochemistry, University of Geneva , CH-1205 Geneva, Switzerland
| | - Endre Horváth
- School of Basic Sciences, École Polytechnique Fédérale de Lausanne , CH-1015 Lausanne, Switzerland
| | - László Forró
- School of Basic Sciences, École Polytechnique Fédérale de Lausanne , CH-1015 Lausanne, Switzerland
| | - Sandwip K Dey
- Materials Program, School for Engineering of Matter, Transport and Energy, Arizona State University , Tempe, Arizona 85287, United States
| | - Istvan Szilagyi
- School of Chemistry and Biochemistry, University of Geneva , CH-1205 Geneva, Switzerland
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12
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Oded M, Kelly ST, Gilles MK, Müller AH, Shenhar R. From dots to doughnuts: Two-dimensionally confined deposition of polyelectrolytes on block copolymer templates. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.07.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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13
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Hou D, Zhang G, Pant RR, Wei Z, Shen S. Micromechanical Properties of Nanostructured Clay-Oxide Multilayers Synthesized by Layer-by-Layer Self-Assembly. NANOMATERIALS 2016; 6:nano6110204. [PMID: 28335332 PMCID: PMC5245765 DOI: 10.3390/nano6110204] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 11/01/2016] [Accepted: 11/03/2016] [Indexed: 11/16/2022]
Abstract
Clay-based nanostructured multilayers, such as clay-polymer multilayers and clay-oxide multilayers, have attracted growing attention owing to their remarkable mechanical properties and promising application in various fields. In this paper, synthesis of a new kind of nanostructured clay-oxide multilayers by layer-by-layer self-assembly was explored. Nano-mechanical characterization of 18 clay-based multilayer samples, prepared under as-deposited (i.e., air-dried) and annealing conditions at 400 °C/600 °C with different precursor cations and multilayer structure, were carried out using nanoindentation testing, atomic force microscopy (AFM), and X-ray diffraction (XRD). The influencing factors, including as-deposited and annealing conditions and clay concentrations on the mechanical properties were analyzed. Results show that all of the multilayers exhibit high bonding strength between interlayers. Higher modulus and hardness of clay-based multilayers were obtained with lower clay concentrations than that with higher clay concentrations. Different relationships between the modulus and hardness and the annealing temperature exist for a specific type of clay-oxide multilayer. This work offers the basic and essential knowledge on design of clay-based nanostructured multilayers by layer-by-layer self-assembly.
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Affiliation(s)
- Dongwei Hou
- State Key Laboratory of Ocean Engineering and Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration (CISSE), Department of Civil Engineering, School of Naval Architecture, Ocean, and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
- Department of Civil & Environmental Engineering, University of Massachusetts Amherst, Amherst, MA 01003, USA.
| | - Guoping Zhang
- State Key Laboratory of Ocean Engineering and Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration (CISSE), Department of Civil Engineering, School of Naval Architecture, Ocean, and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
- Department of Civil & Environmental Engineering, University of Massachusetts Amherst, Amherst, MA 01003, USA.
| | - Rohit Raj Pant
- Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, LA 70803, USA.
| | - Zhongxin Wei
- Department of Civil and Environmental Engineering, Louisiana State University, Baton Rouge, LA 70803, USA.
| | - Shuilong Shen
- State Key Laboratory of Ocean Engineering and Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration (CISSE), Department of Civil Engineering, School of Naval Architecture, Ocean, and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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14
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Vivek B, Kumar P, Prasad E. Induction and Tunability of Self-Healing Property of Dendron Based Hydrogel Using Clay Nanocomposite. J Phys Chem B 2016; 120:5262-71. [DOI: 10.1021/acs.jpcb.6b00935] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Balachandran Vivek
- Department of Chemistry, Indian Institute of Technology Madras (IIT M), Chennai 600 036, India
| | - Prashant Kumar
- Department of Chemistry, Indian Institute of Technology Madras (IIT M), Chennai 600 036, India
| | - Edamana Prasad
- Department of Chemistry, Indian Institute of Technology Madras (IIT M), Chennai 600 036, India
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15
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Oded M, Kelly ST, Gilles MK, Müller AHE, Shenhar R. Periodic nanoscale patterning of polyelectrolytes over square centimeter areas using block copolymer templates. SOFT MATTER 2016; 12:4595-4602. [PMID: 27104854 DOI: 10.1039/c6sm00381h] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Nano-patterned materials are beneficial for applications such as solar cells, opto-electronics, and sensing owing to their periodic structure and high interfacial area. Here, we present a non-lithographic approach for assembling polyelectrolytes into periodic nanoscale patterns over cm(2)-scale areas. Chemically modified block copolymer thin films featuring alternating charged and neutral domains are used as patterned substrates for electrostatic self-assembly. In-depth characterization of the deposition process using spectroscopy and microscopy techniques, including the state-of-the-art scanning transmission X-ray microscopy (STXM), reveals both the selective deposition of the polyelectrolyte on the charged copolymer domains as well as gradual changes in the film topography that arise from further penetration of the solvent molecules and possibly also the polyelectrolyte into these domains. Our results demonstrate the feasibility of creating nano-patterned polyelectrolyte layers, which opens up new opportunities for structured functional coating fabrication.
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Affiliation(s)
- Meirav Oded
- The Institute of Chemistry and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel.
| | - Stephen T Kelly
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Mary K Gilles
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
| | - Axel H E Müller
- Institute of Organic Chemistry, Johannes Gutenberg University, 55099 Mainz, Germany
| | - Roy Shenhar
- The Institute of Chemistry and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 9190401, Israel.
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16
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Gentile P, Carmagnola I, Nardo T, Chiono V. Layer-by-layer assembly for biomedical applications in the last decade. NANOTECHNOLOGY 2015; 26:422001. [PMID: 26421916 DOI: 10.1088/0957-4484/26/42/422001] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
In the past two decades, the design and manufacture of nanostructured materials has been of tremendous interest to the scientific community for their application in the biomedical field. Among the available techniques, layer-by-layer (LBL) assembly has attracted considerable attention as a convenient method to fabricate functional coatings. Nowadays, more than 1000 scientific papers are published every year, tens of patents have been deposited and some commercial products based on LBL technology have become commercially available. LBL presents several advantages, such as (1): a precise control of the coating properties; (2) environmentally friendly, mild conditions and low-cost manufacturing; (3) versatility for coating all available surfaces; (4) obtainment of homogeneous film with controlled thickness; and (5) incorporation and controlled release of biomolecules/drugs. This paper critically reviews the scientific challenge of the last 10 years--functionalizing biomaterials by LBL to obtain appropriate properties for biomedical applications, in particular in tissue engineering (TE). The analysis of the state-of-the-art highlights the current techniques and the innovative materials for scaffold and medical device preparation that are opening the way for the preparation of LBL-functionalized substrates capable of modifying their surface properties for modulating cell interaction to improve substitution, repair or enhancement of tissue function.
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Affiliation(s)
- P Gentile
- School of Clinical Dentistry, University of Sheffield, 19 Claremont Crescent, Sheffield S10 2TA, UK
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17
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Huang M, He S, Liu W, Yao Y, Miao S. Spectral Inspections on Molecular Configurations of Nile Blue A Adsorbed on the Elementary Clay Sheets. J Phys Chem B 2015; 119:13302-8. [DOI: 10.1021/acs.jpcb.5b05188] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mei Huang
- Anhui Key Lab of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, Anhui Prov. 230009 China
| | - Shuai He
- Anhui Key Lab of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, Anhui Prov. 230009 China
| | - Wenhong Liu
- Anhui Key Lab of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, Anhui Prov. 230009 China
| | - Yunjin Yao
- Anhui Key Lab of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, Anhui Prov. 230009 China
| | - Shiding Miao
- Anhui Key Lab of Controllable Chemical Reaction & Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Tunxi Road 193, Hefei, Anhui Prov. 230009 China
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18
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Cho C, Wallace KL, Hagen DA, Stevens B, Regev O, Grunlan JC. Nanobrick wall multilayer thin films grown faster and stronger using electrophoretic deposition. NANOTECHNOLOGY 2015; 26:185703. [PMID: 25872516 DOI: 10.1088/0957-4484/26/18/185703] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
In an effort to speed up the layer-by-layer (LbL) deposition technique, electrophoretic deposition (EPD) is employed with weak polyelectrolytes and clay nanoplatelets. The introduction of an electric field results in nearly an order of magnitude increase in thickness relative to conventional LbL deposition for a given number of deposited layers. A higher clay concentration also results with the EPD-LbL process, which produces higher modulus and strength with fewer deposited layers. A 20 quadlayer (QL) assembly of linear polyethyleneimine (LPEI)/poly(acrylic acid)/LPEI/clay has an elastic modulus of 45 GPa, tensile strength of 70 MPa, and thickness of 4.4 μm. Traditional LbL requires 40 QL to achieve the same thickness, with lower modulus and strength. This study reveals how these films grow and maintain a highly ordered nanobrick wall structure that is commonly associated with LbL deposition. Fewer layers required to achieve improved properties will open up many new opportunities for this multifunctional thin film deposition technique.
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Affiliation(s)
- Chungyeon Cho
- Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843, USA
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19
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Wang J, Gao X, Wang J, Wei Y, Li Z, Gao C. O-(carboxymethyl)-chitosan nanofiltration membrane surface functionalized with graphene oxide nanosheets for enhanced desalting properties. ACS APPLIED MATERIALS & INTERFACES 2015; 7:4381-4389. [PMID: 25635511 DOI: 10.1021/am508903g] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A novel O-(carboxymethyl)-chitosan (OCMC) nanofiltration (NF) membrane is developed via surface functionalization with graphene oxide (GO) nanosheets to enhance desalting properties. Using ring-opening polymerization between epoxy groups of GO nanosheets and amino groups of OCMC active layer, GO nanosheets are irreversibly bound to the membrane. The OCMC NF membranes surface-functionalized with GO nanosheets are characterized by Fourier-transform infrared spectroscopy, X-ray photoelectron spectroscopy, scanning electron microscopy, atomic force microscopy, contact angle analyzer, and zeta potential analyzer. The membranes exhibit not only higher permeability but also better salt rejections than the pristine membranes and the commercial NF membranes; besides, the desalting properties are enhanced with the concentration of GO nanosheets increasing. Furthermore, the transport mechanism of GO-OCMC NF membranes reveals that the nanoporous structure of GO-OCMC functional layer and size exclusion and electrostatic repulsion of water nanochannels formed by GO nanosheets lead to the membranes possessing enhanced desalting properties.
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Affiliation(s)
- Jiali Wang
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education and ‡College of Chemistry and Chemical Engineering, Ocean University of China , Qingdao 266100, China
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20
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Qiu Z, Wang R, Wu J, Zhang Y, Qu Y, Wu X. Graphene oxide as a corrosion-inhibitive coating on magnesium alloys. RSC Adv 2015. [DOI: 10.1039/c5ra05974g] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
A graphene oxide film was formed on the PEO coatings of magnesium alloys via an electrostatic self-assembly method, which functioned as a physical separation with inhibiting effects between the protected metal and reactants.
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Affiliation(s)
- Zhaozhong Qiu
- Department of Chemistry
- Harbin Institute of Technology
- Harbin
- PR China
| | - Rui Wang
- Department of Chemistry
- Harbin Institute of Technology
- Harbin
- PR China
| | - Jinzhu Wu
- Department of Chemistry
- Harbin Institute of Technology
- Harbin
- PR China
| | - Yushen Zhang
- Department of Chemistry
- Harbin Institute of Technology
- Harbin
- PR China
| | - Yunfei Qu
- Department of Chemistry
- Harbin Institute of Technology
- Harbin
- PR China
| | - Xiaohong Wu
- Department of Chemistry
- Harbin Institute of Technology
- Harbin
- PR China
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21
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Sui X, Gao L, Yin P. Shielding Kevlar fibers from atomic oxygen erosion via layer-by-layer assembly of nanocomposites. Polym Degrad Stab 2014. [DOI: 10.1016/j.polymdegradstab.2014.08.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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22
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Zhou W, Guan W, Lu C. Covalent linking of quantum dots to polymer for inorganic–inorganic luminescence films via layer-by-layer assembly with clay. Chem Commun (Camb) 2014; 50:11370-3. [DOI: 10.1039/c4cc04838e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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23
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Zhou W, Guan W, Lu C. Natural montmorillonite nanosheet colloid-catalyzed hydrogen peroxide ultra-weak chemiluminescence. RSC Adv 2014. [DOI: 10.1039/c4ra00636d] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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Seto J, Azaïs T, Cölfen H. Formation of aragonitic layered structures from kaolinite and amorphous calcium carbonate precursors. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:7521-7528. [PMID: 23496412 DOI: 10.1021/la400442j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Clay materials have been an ever-present accoutrement of modern civilization; improvements to process these materials have quickened their utilization for use in complex multiaxial load-bearing structures. Specifically, with better methods to organize the constituent metal oxide components in clay, the distribution of characteristic nematic and smectic phases can be controlled. In this work, we utilize the interactions of an amorphous calcium carbonate phase with kaolinite to form a complex composite that can be organized into distinct hierarchical structures. We demonstrate that these ACC-kaolinite composites can maintain characteristic long-range-ordered layer-by-layer structures across many length scales, from nano- to millimeter, through convenient and economical processing at room temperature.
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Affiliation(s)
- Jong Seto
- Physical Chemistry, Department of Chemistry, Universität Konstanz, Konstanz, Germany
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25
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Kunz DA, Schmid J, Feicht P, Erath J, Fery A, Breu J. Clay-based nanocomposite coating for flexible optoelectronics applying commercial polymers. ACS NANO 2013; 7:4275-4280. [PMID: 23544864 DOI: 10.1021/nn400713e] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Transparency, flexibility, and especially ultralow oxygen (OTR) and water vapor (WVTR) transmission rates are the key issues to be addressed for packaging of flexible organic photovoltaics and organic light-emitting diodes. Concomitant optimization of all essential features is still a big challenge. Here we present a thin (1.5 μm), highly transparent, and at the same time flexible nanocomposite coating with an exceptionally low OTR and WVTR (1.0 × 10(-2) cm(3) m(-2) day(-1) bar(-1) and <0.05 g m(-2) day(-1) at 50% RH, respectively). A commercially available polyurethane (Desmodur N 3600 and Desmophen 670 BA, Bayer MaterialScience AG) was filled with a delaminated synthetic layered silicate exhibiting huge aspect ratios of about 25,000. Functional films were prepared by simple doctor-blading a suspension of the matrix and the organophilized clay. This preparation procedure is technically benign, is easy to scale up, and may readily be applied for encapsulation of sensitive flexible electronics.
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Affiliation(s)
- Daniel A Kunz
- Department of Inorganic Chemistry I, University of Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
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26
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Dreja M, Noglich J, Josa J. Self-Organized Nano-Particles for Enhanced Wetting of Hard Surfaces∗∗. TENSIDE SURFACT DET 2013. [DOI: 10.3139/113.100222] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Nano-particles or nanometer-thin layers are well established for permanent modification of hard surfaces. Depending on the physical and chemical properties, such films can lead to anti-scratch, anti-reflective and “self-cleaning” properties. The use of nano-particles and nanometer-thin polymeric films is also of interest for temporary applications. In this work it is shown that application of particle dispersions or polymers on hard ceramic surfaces can lead to distinct self-organization of the nano-particles due to electrostatic repulsion and surface free energy minimization. Some of the resulting semi-permanent surface modifications show reduced contact angles for hydrophilic liquids, which results in long-lasting effects of enhanced drainage, increased drying speed and reduced re-soiling. The self-organization of hydrophilic nano-sized particles with different size and surface characteristics is evaluated compared to polymeric surface modifiers.
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Affiliation(s)
- M. Dreja
- R&D/Technology Home Care, Henkel KGaA, Düsseldorf, Germany
| | - J. Noglich
- R&D/Technology Home Care, Henkel KGaA, Düsseldorf, Germany
| | - J. Josa
- R&D/Technology Home Care, Henkel KGaA, Düsseldorf, Germany
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27
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Wang X, Wang J, Tsunashima R, Pan K, Cao B, Song YF. Electrospun Self-Supporting Nanocomposite Films of Na9[EuW10O36]·32H2O/PAN as pH-Modulated Luminescent Switch. Ind Eng Chem Res 2013. [DOI: 10.1021/ie302712s] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiaoting Wang
- State Key Laboratory of Chemical
Resource Engineering, Beijing University of Chemical Technology, 100029 Beijing, P. R. China
| | - Jianqiang Wang
- State Key Laboratory of Chemical
Resource Engineering, Beijing University of Chemical Technology, 100029 Beijing, P. R. China
| | - Ryo Tsunashima
- Graduate School of Science and
Engineering, Yamaguchi University, Yamaguchi
753 8512, Japan
| | - Kai Pan
- State Key Laboratory of Chemical
Resource Engineering, Beijing University of Chemical Technology, 100029 Beijing, P. R. China
| | - Bing Cao
- State Key Laboratory of Chemical
Resource Engineering, Beijing University of Chemical Technology, 100029 Beijing, P. R. China
| | - Yu-Fei Song
- State Key Laboratory of Chemical
Resource Engineering, Beijing University of Chemical Technology, 100029 Beijing, P. R. China
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28
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29
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Corni I, Harvey TJ, Wharton JA, Stokes KR, Walsh FC, Wood RJK. A review of experimental techniques to produce a nacre-like structure. BIOINSPIRATION & BIOMIMETICS 2012; 7:031001. [PMID: 22535879 DOI: 10.1088/1748-3182/7/3/031001] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The performance of man-made materials can be improved by exploring new structures inspired by the architecture of biological materials. Natural materials, such as nacre (mother-of-pearl), can have outstanding mechanical properties due to their complicated architecture and hierarchical structure at the nano-, micro- and meso-levels which have evolved over millions of years. This review describes the numerous experimental methods explored to date to produce composites with structures and mechanical properties similar to those of natural nacre. The materials produced have sizes ranging from nanometres to centimetres, processing times varying from a few minutes to several months and a different range of mechanical properties that render them suitable for various applications. For the first time, these techniques have been divided into those producing bulk materials, coatings and free-standing films. This is due to the fact that the material's application strongly depends on its dimensions and different results have been reported by applying the same technique to produce materials with different sizes. The limitations and capabilities of these methodologies have been also described.
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Affiliation(s)
- I Corni
- National Centre for Advanced Tribology at Southampton, Engineering Sciences, University of Southampton, Highfield, Southampton, SO17 1BJ, UK.
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30
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Zhao Z, Jose G, Fernandez TT, Comyn TP, Irannejad M, Steenson P, Harrington JP, Ward M, Bamiedakis N, Penty RV, White IH, Jha A. Active glass-polymer superlattice structure for photonic integration. NANOTECHNOLOGY 2012; 23:225302. [PMID: 22572007 DOI: 10.1088/0957-4484/23/22/225302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We propose an all-laser processing approach allowing controlled growth of organic-inorganic superlattice structures of rare-earth ion doped tellurium-oxide-based glass and optically transparent polydimethyl siloxane (PDMS) polymer; the purpose of which is to illustrate the structural and thermal compatibility of chemically dissimilar materials at the nanometer scale. Superlattice films with interlayer thicknesses as low as 2 nm were grown using pulsed laser deposition (PLD) at low temperatures (100 °C). Planar waveguides were successfully patterned by femtosecond-laser micro-machining for light propagation and efficient Er(3+)-ion amplified spontaneous emission (ASE). The proposed approach to achieve polymer-glass integration will allow the fabrication of efficient and durable polymer optical amplifiers and lossless photonic devices. The all-laser processing approach, discussed further in this paper, permits the growth of films of a multitude of chemically complex and dissimilar materials for a range of optical, thermal, mechanical and biological functions, which otherwise are impossible to integrate via conventional materials processing techniques.
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Affiliation(s)
- Zhanxiang Zhao
- Institute for Materials Research, University of Leeds, Leeds, LS2 9JT, UK
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31
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Zhuk A, Mirza R, Sukhishvili S. Multiresponsive clay-containing layer-by-layer films. ACS NANO 2011; 5:8790-9. [PMID: 21958457 DOI: 10.1021/nn202812a] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
We report on polymer/clay layer-by-layer films responsive to multiple stimuli. Temperature- and salt-responsive films were constructed using assembly of poly(N-isopropylacrylamide) (PNIPAM) and montmorillonite clay nanosheets. An additional pH response was achieved by depositing and cross-linking hybrid, dual-network PNIPAM/clay/PNIPAM/poly(methacrylic acid) (PMAA) multilayers. Both types of films remained stable in a wide pH range and were highly swollen. For example, PNIPAM/clay films swelled up to ~14.5 times their dry film thickness in low-salt solutions at 25 °C, as shown by laser scanning confocal microscopy. At temperatures higher than PNIPAM's lower critical solution temperature (LCST) of 32 °C, or in 0.3 M Na(2)SO(4) solutions at room temperature, both PNIPAM/clay and PNIPAM/clay/PNIPAM/PMAA films reversibly deswelled as a result of collapse of PNIPAM chains. Films of both types showed a decrease in permeability to fluorescein-tagged dextrans of various molecular weights. Importantly, film permeability to dextrans was decreased at temperatures above PNIPAM's LCST, and the effect could be reversed by lowering the temperature. Inclusion of PMAA within multilayers provided an additional pH response to film swelling and permeability. Hybrid PNIPAM/clay/PNIPAM/PMAA films showed drastic deswelling at low pH values due to the onset of hydrogen bonding between PNIPAM and PMAA, and the diffusion of 70 kDa dextran through multilayers at acidic pH was completely blocked. These multiresponse features of clay-containing films make them promising candidates for applications in sensing, actuation, and controlled delivery.
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Affiliation(s)
- Aliaksandr Zhuk
- Department of Chemistry, Chemical Biology and Biomedical Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, USA
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32
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Wang J, Cheng Q, Tang Z. Layered nanocomposites inspired by the structure and mechanical properties of nacre. Chem Soc Rev 2011; 41:1111-29. [PMID: 21959863 DOI: 10.1039/c1cs15106a] [Citation(s) in RCA: 248] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nacre (mother-of-pearl), made of inorganic and organic constituents (95 vol% aragonite calcium carbonate (CaCO(3)) platelets and 5 vol% elastic biopolymers), possesses a unique combination of remarkable strength and toughness, which is compatible for conventional high performance materials. The excellent mechanical properties are related to its hierarchical structure and precisely designed organic-inorganic interface. The rational design of aragonite platelet strength, aspect ratio of aragonite platelets, and interface strength ensures that the strength of nacre is maximized under platelet pull-out failure mode. At the same time, the synergy of strain hardening mechanisms acting over multiple scales results in platelets sliding on one another, and thus maximizes the energy dissipation of viscoplastic biopolymers. The excellent integrated mechanical properties with hierarchical structure have inspired chemists and materials scientists to develop biomimetic strategies for artificial nacre materials. This critical review presents a broad overview of the state-of-the-art work on the preparation of layered organic-inorganic nanocomposites inspired by nacre, in particular, the advantages and disadvantages of various biomimetic strategies. Discussion is focused on the effect of the layered structure, interface, and component loading on strength and toughness of nacre-mimic layered nanocomposites (148 references).
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Affiliation(s)
- Jianfeng Wang
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, BeiHang University, Beijing 100191, China
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33
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Xu J, Zhao S, Han Z, Wang X, Song YF. Layer-by-Layer Assembly of Na9[EuW10O36]⋅32 H2O and Layered Double Hydroxides Leading to Ordered Ultra-Thin Films: Cooperative Effect and Orientation Effect. Chemistry 2011; 17:10365-71. [DOI: 10.1002/chem.201101062] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2011] [Indexed: 11/10/2022]
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34
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Fischer P, Laschewsky A, Wischerhoff E, Arys X, Jonas A, Legras R. Polyelectrolytes bearing azobenzenes for the functionalization of multilayers. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/masy.19991370103] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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35
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Hickey J, Burke NA, Stöver HD. Layer-by-layer deposition of clay and a polycation to control diffusive release from polyurea microcapsules. J Memb Sci 2011. [DOI: 10.1016/j.memsci.2010.11.047] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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36
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Jiang B, DeFusco E, Li B. Polypeptide multilayer film co-delivers oppositely-charged drug molecules in sustained manners. Biomacromolecules 2010; 11:3630-7. [PMID: 21058719 PMCID: PMC3006044 DOI: 10.1021/bm1010855] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The current state-of-the-art for drug-carrying biomedical devices is mostly limited to those that release a single drug. Yet there are many situations in which more than one therapeutic agent is needed. Also, most polyelectrolyte multilayer films intended for drug delivery are loaded with active molecules only during multilayer film preparation. In this paper, we present the integration of capsules as vehicles within polypeptide multilayer films for sustained release of multiple oppositely charged drug molecules using layer-by-layer nanoassembly technology. Calcium carbonate (CaCO(3)) particles were impregnated with polyelectrolytes, shelled with polyelectrolyte multilayers, and then assembled onto polypeptide multilayer films using glutaraldehyde. Capsule-integrated polypeptide multilayer films were obtained after decomposition of CaCO(3) templates. Two oppositely charged drugs were loaded into capsules within polypeptide multilayer films postpreparation based on electrostatic interactions between the drugs and the polyelectrolytes impregnated within capsules. We determined that the developed innovative capsule-integrated polypeptide multilayer films could be used to load multiple drugs of very different properties (e.g., opposite charges) any time postpreparation (e.g., minutes before surgical implantation inside an operating room), and such capsule-integrated films allowed simultaneous delivery of two oppositely charged drug molecules and a sustained (up to two weeks or longer) and sequential release was achieved.
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Affiliation(s)
- Bingbing Jiang
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506, USA
| | - Elizabeth DeFusco
- Department of Chemical Engineering, College of Engineering and Mineral Resources, West Virginia University, Morgantown, WV 26506, USA
| | - Bingyun Li
- Department of Orthopaedics, School of Medicine, West Virginia University, Morgantown, WV 26506, USA
- Department of Chemical Engineering, College of Engineering and Mineral Resources, West Virginia University, Morgantown, WV 26506, USA
- WVNano Initiative, Morgantown, WV 26506, USA
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37
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Bhattacharjee D, Hussain SA, Chakraborty S, Schoonheydt RA. Effect of nano-clay platelets on the J-aggregation of thiacyanine dye organized in Langmuir-Blodgett films: a spectroscopic investigation. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2010; 77:232-237. [PMID: 20541457 DOI: 10.1016/j.saa.2010.05.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2009] [Revised: 05/10/2010] [Accepted: 05/15/2010] [Indexed: 05/29/2023]
Abstract
In this paper we report the effect of the incorporation of nano-dimensional clay platelets, laponite, on the J-aggregation of a thiacyanine dye N,N'-dioctadecyl thiacyanine perchlorate (NK) assembled into Langmuir-Blodgett (LB) monolayers. pi-A isotherms and atomic force microscopic studies confirm the successful incorporation of clay platelets into the Langmuir monolayer of NK. J-aggregates of NK remain present in LB films lifted at lower as well as higher surface pressures in the absence of laponite clay platelets. However, with the incorporation of clay platelets, J-aggregates are formed only in LB films lifted at higher surface pressure of 30 mN/m and totally absent in the films lifted at lower surface pressures of 10 and 15 mN/m. This may be due to the formation of nano-trapping level by overlapping of clay platelets at higher surface pressure. NK molecules may get squeezed to these nano-trapping to form J-aggregates.
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Affiliation(s)
- D Bhattacharjee
- Department of Physics, Tripura University, Suryamaninagar 799130, Tripura, India
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38
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Yang YH, Malek FA, Grunlan JC. Influence of Deposition Time on Layer-by-Layer Growth of Clay-Based Thin Films. Ind Eng Chem Res 2010. [DOI: 10.1021/ie100499x] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- You-Hao Yang
- Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843
| | - Frank A. Malek
- Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843
| | - Jaime C. Grunlan
- Department of Chemical Engineering, Texas A&M University, College Station, Texas 77843
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39
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Zhou L, Glennon JD, Luong JHT. Electrophoretic Analysis of Biomarkers using Capillary Modification with Gold Nanoparticles Embedded in a Polycation and Boron Doped Diamond Electrode. Anal Chem 2010; 82:6895-903. [DOI: 10.1021/ac101105q] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lin Zhou
- Innovative Chromatography Group, Irish Separation Science Cluster (ISSC), Department of Chemistry & the ABCRF, University College Cork, Cork, Ireland and Biotechnology Research Institute, National Research Council Canada, Montreal, Quebec, Canada H4P 2R2
| | - Jeremy D. Glennon
- Innovative Chromatography Group, Irish Separation Science Cluster (ISSC), Department of Chemistry & the ABCRF, University College Cork, Cork, Ireland and Biotechnology Research Institute, National Research Council Canada, Montreal, Quebec, Canada H4P 2R2
| | - John H. T. Luong
- Innovative Chromatography Group, Irish Separation Science Cluster (ISSC), Department of Chemistry & the ABCRF, University College Cork, Cork, Ireland and Biotechnology Research Institute, National Research Council Canada, Montreal, Quebec, Canada H4P 2R2
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Fujii N, Fujimoto K, Michinobu T, Akada M, Hill JP, Shiratori S, Ariga K, Shigehara K. The Simplest Layer-by-Layer Assembly Structure: Best Paired Polymer Electrolytes with One Charge per Main Chain Carbon Atom for Multilayered Thin Films. Macromolecules 2010. [DOI: 10.1021/ma100473j] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Nozomu Fujii
- Graduate School of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
| | - Kouji Fujimoto
- Faculty of Science and Technology, Keio University, Yokohama 223-8522, Japan
| | - Tsuyoshi Michinobu
- Graduate School of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
- Global Edge Institute, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Misaho Akada
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) and JST, CREST, 1-1 Namiki, Tsukuba 305-0044, Japan
| | - Jonathan P. Hill
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) and JST, CREST, 1-1 Namiki, Tsukuba 305-0044, Japan
| | - Seimei Shiratori
- Faculty of Science and Technology, Keio University, Yokohama 223-8522, Japan
| | - Katsuhiko Ariga
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) and JST, CREST, 1-1 Namiki, Tsukuba 305-0044, Japan
| | - Kiyotaka Shigehara
- Graduate School of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
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Möller MW, Handge UA, Kunz DA, Lunkenbein T, Altstädt V, Breu J. Tailoring shear-stiff, mica-like nanoplatelets. ACS NANO 2010; 4:717-724. [PMID: 20088599 DOI: 10.1021/nn9011829] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
This work introduces a novel facile method to produce shear-stiff, mica-like nanoplatelets by efficient exfoliation. The essence of this procedure is the nonreversible alteration of the interlamellar reactivity of a synthetic fluorohectorite by simple cation exchange. The possibility of switching from highly hydrated to collapsed interlayers permits a highly efficient exfoliation in the swollen state while providing shear-stiffness in the collapsed state. This method restricts cation exchange in the mica-like nanoplatelets to the outer surfaces, which represents a significant advantage for use in nanocomposites as compared to conventional organoclays which contain up to 40%/wt of organocations. It is expected that this new type of rigid, shear-stiff, clay-based nanoplatelets will be superior for reinforcement when used in composite materials like polymer layered silicate nanocomposites or artificial nacre.
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Affiliation(s)
- Michael W Möller
- Universitat Bayreuth, Universitatsstrasse 30, 95447 Bayreuth, Germany
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Chen H, Zhang G, Wei Z, Cooke KM, Luo J. Layer-by-layer assembly of sol–gel oxide “glued” montmorillonite-zirconia multilayers. ACTA ACUST UNITED AC 2010. [DOI: 10.1039/c0jm00177e] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Tagliazucchi M, Calvo EJ. Electrochemically Active Polyelectrolyte‐Modified Electrodes. CHEMICALLY MODIFIED ELECTRODES 2009. [DOI: 10.1002/9783527627059.ch2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Yuan W, Li CM. Direct modulation of localized surface plasmon coupling of Au nanoparticles on solid substrates via weak polyelectrolyte-mediated layer-by-layer self assembly. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2009; 25:7578-7585. [PMID: 19499932 DOI: 10.1021/la901443x] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
For the first time, a pH-controllable weak polyelectrolyte/metal nanoparticle composite film was successfully constructed on a solid substrate through layer-by-layer (LbL) assembly, and its localized surface plasmon coupling (LSPC) was investigated. The degree of LSPC can be modulated by controlling pH of the weak polyelectrolyte used. The LSPC was tunable and stable, demonstrated by a large shift of the longitudinal band peak position over a range of 625-741.5 nm as a function of pH, while shifting insignificantly at a fixed pH for a month. The modulation of LSPC of the LbL nanocomposite film can be ascribed to changes in the assembled weak polyelectrolyte, where the charge density and conformation can be easily controlled by pH to tailor the interparticle spacing in the nanoparticle clusters. This work provides a rational approach for preparation of stable nanocomposites with easily tunable LSPC and scientific insight into the effect of film morphology on the optical properties of assembled nanoparticles. The spectral response to the environment has great potential in applications such as plasmonics, biosensing, and medical therapy.
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Affiliation(s)
- Weiyong Yuan
- School of Chemical & Biomedical Engineering, Center for Advanced Bionanosystems, Nanyang Technological University, 70 Nanyang Drive, Singapore 637457, Singapore
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Zheng XL, Weng JB, Huang QM, Hu BH, Qiao T, Deng P. Fabrication of a stable poly(vinylpyrrolidone)/poly(urushiol) multilayer ultrathin film through layer-by-layer assembly and photo-induced polymerization. Colloids Surf A Physicochem Eng Asp 2009. [DOI: 10.1016/j.colsurfa.2008.11.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Peralta S, Habib-Jiwan JL, Jonas AM. Ordered Polyelectrolyte Multilayers: Unidirectional FRET Cascade in Nanocompartmentalized Polyelectrolyte Multilayers. Chemphyschem 2009; 10:137-43. [DOI: 10.1002/cphc.200800443] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Lee JH, Nam HJ, Rhee SW, Jung DY. Hybrid Assembly of Layered Double Hydroxide Nanocrystals with Inorganic, Polymeric and Biomaterials from Micro- to Nanometer Scales. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800668] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Aradi T, Hornok V, Dékány I. Layered double hydroxides for ultrathin hybrid film preparation using layer-by-layer and spin coating methods. Colloids Surf A Physicochem Eng Asp 2008. [DOI: 10.1016/j.colsurfa.2007.06.049] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Chen R, Wang CA, Huang Y, Le H. An efficient biomimetic process for fabrication of artificial nacre with ordered-nanostructure. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2008. [DOI: 10.1016/j.msec.2006.12.008] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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