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Lu Y, Zhao H, Huang X, Hu D, Wu Y, Ba X, Zhang H. Exploring maleimide-anchored halloysites as nanophotoinitiators for surface-initiated photografting strategies. Chem Commun (Camb) 2022; 58:13636-13639. [PMID: 36408917 DOI: 10.1039/d2cc05339j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Maleimide-functionalized HNTs (HNTs-I) were prepared and explored as a nanophotoinitiator. Vinyl monomers can be grafted onto the nanotubes following a spatially controllable, metal-free and non-contact photoinitiated approach. The obtained HNTs-I were further used in a 3D printing system to fabricate hydrogels with designed configurations.
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Affiliation(s)
- Yelong Lu
- College of Chemistry & Environmental Science, Hebei University, No. 180 Wusi Road, Baoding 071002, P. R. China.
| | - Hongchi Zhao
- College of Chemistry & Environmental Science, Hebei University, No. 180 Wusi Road, Baoding 071002, P. R. China.
| | - Xinrong Huang
- College of Chemistry & Environmental Science, Hebei University, No. 180 Wusi Road, Baoding 071002, P. R. China.
| | - Di Hu
- College of Chemistry & Environmental Science, Hebei University, No. 180 Wusi Road, Baoding 071002, P. R. China.
| | - Yonggang Wu
- College of Chemistry & Environmental Science, Hebei University, No. 180 Wusi Road, Baoding 071002, P. R. China.
| | - Xinwu Ba
- College of Chemistry & Environmental Science, Hebei University, No. 180 Wusi Road, Baoding 071002, P. R. China.
| | - Hailei Zhang
- College of Chemistry & Environmental Science, Hebei University, No. 180 Wusi Road, Baoding 071002, P. R. China.
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2
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Shevtsova T, Cavallaro G, Lazzara G, Milioto S, Donchak V, Harhay K, Korolko S, Budkowski A, Stetsyshyn Y. Temperature-responsive hybrid nanomaterials based on modified halloysite nanotubes uploaded with silver nanoparticles. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128525] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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5
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Tahir M, Raza A, Nasir A, Yasin T. Radiation induced graft polymerization of glycidyl methacrylate onto sepiolite. Radiat Phys Chem Oxf Engl 1993 2021. [DOI: 10.1016/j.radphyschem.2020.109259] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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6
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Massaro M, Noto R, Riela S. Past, Present and Future Perspectives on Halloysite Clay Minerals. Molecules 2020; 25:E4863. [PMID: 33096852 PMCID: PMC7587942 DOI: 10.3390/molecules25204863] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/16/2020] [Accepted: 10/17/2020] [Indexed: 02/07/2023] Open
Abstract
Halloysite nanotubes (HNTs), clay minerals belonging to the kaolin groups, are emerging nanomaterials which have attracted the attention of the scientific community due to their interesting features, such as low-cost, availability and biocompatibility. In addition, their large surface area and tubular structure have led to HNTs' application in different industrial purposes. This review reports a comprehensive overview of the historical background of HNT utilization in the last 20 years. In particular it will focus on the functionalization of the surfaces, both supramolecular and covalent, following applications in several fields, including biomedicine, environmental science and catalysis.
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Affiliation(s)
- Marina Massaro
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo Viale delle Scienze, Ed. 17, 90128 Palermo, Italy;
| | | | - Serena Riela
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo Viale delle Scienze, Ed. 17, 90128 Palermo, Italy;
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7
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Mei S, Wilk JT, Chancellor AJ, Zhao B, Li CY. Fabrication of 2D Block Copolymer Brushes via a Polymer-Single-Crystal-Assisted-Grafting-to Method. Macromol Rapid Commun 2020; 41:e2000228. [PMID: 32608541 DOI: 10.1002/marc.202000228] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 05/25/2020] [Indexed: 11/08/2022]
Abstract
Block copolymer brushes are of great interest due to their rich phase behavior and value-added properties compared to homopolymer brushes. Traditional synthesis involves grafting-to and grafting-from methods. In this work, a recently developed "polymer-single-crystal-assisted-grafting-to" method is applied for the preparation of block copolymer brushes on flat glass surfaces. Triblock copolymer poly(ethylene oxide)-b-poly(l-lactide)-b-poly(3-(triethoxysilyl)propyl methacrylate) (PEO-b-PLLA-b-PTESPMA) is synthesized with PLLA as the brush morphology-directing component and PTESPMA as the anchoring block. PEO-b-PLLA block copolymer brushes are obtained by chemical grafting of the triblock copolymer single crystals onto a glass surface. The tethering point and overall brush pattern are determined by the single crystal morphology. The grafting density is calculated to be ≈0.36 nm-2 from the atomic force microscopy results and is consistent with the theoretic calculation based on the PLLA crystalline lattice. This work provides a new strategy to synthesize well-defined block copolymer brushes.
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Affiliation(s)
- Shan Mei
- Department of Materials Science and Engineering, Drexel University, Philadelphia, PA, 19104, USA
| | - Jeffrey T Wilk
- Department of Materials Science and Engineering, Drexel University, Philadelphia, PA, 19104, USA
| | | | - Bin Zhao
- Department of Chemistry, University of Tennessee, Knoxville, TN, 37996, USA
| | - Christopher Y Li
- Department of Materials Science and Engineering, Drexel University, Philadelphia, PA, 19104, USA
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8
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Fidecka K, Giacoboni J, Picconi P, Vago R, Licandro E. Quantification of amino groups on halloysite surfaces using the Fmoc-method. RSC Adv 2020; 10:13944-13948. [PMID: 35498455 PMCID: PMC9051629 DOI: 10.1039/d0ra01994a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 03/24/2020] [Indexed: 12/23/2022] Open
Abstract
The functionalization of halloysite nanotube (HNT) surfaces with aminosilanes is an important strategy for their further decoration with organic molecules to obtain hybrid inorganic–organic nanoarchitectures to be used in catalysis and drug delivery. The exact quantification of amino groups on the surface is an important aspect in view of the obtainment of systems with a known number of loaded molecules. In the present study, we describe a simple and reliable method for the correct quantification of groups present on HNT surfaces after their reaction with aminopropyltriethoxysilane (APTES). This method, applied for the first time to HNT chemistry, was based on the use of Fmoc groups as probes covalently bound to APTES and quantified by UV-Vis after release from the HNT–APTES–Fmoc system. Interestingly, this method showed great accordance with the already employed quantitative thermogravimetric analysis (TGA), with some benefits such as simple and non-destructive procedure, besides the possibility to monitor the deprotection reaction. The functionalization of halloysite nanotube (HNT) surfaces with aminosilanes is an important strategy for their further decoration with organic molecules to obtain hybrid inorganic–organic nanoarchitectures to be used in catalysis and drug delivery.![]()
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Affiliation(s)
- Katarzyna Fidecka
- Dipartimento di Chimica, University of Milan Via Golgi 19 20133 Milan Italy +39250314139
| | - Jessica Giacoboni
- Dipartimento di Chimica, University of Milan Via Golgi 19 20133 Milan Italy +39250314139
| | - Pietro Picconi
- Dipartimento di Chimica, University of Milan Via Golgi 19 20133 Milan Italy +39250314139
| | - Riccardo Vago
- I.R.C.C.S. Ospedale San Raffaele Via Olgettina 60 20132 Milan Italy
| | - Emanuela Licandro
- Dipartimento di Chimica, University of Milan Via Golgi 19 20133 Milan Italy +39250314139
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Liu M, Fakhrullin R, Novikov A, Panchal A, Lvov Y. Tubule Nanoclay-Organic Heterostructures for Biomedical Applications. Macromol Biosci 2018; 19:e1800419. [PMID: 30565394 DOI: 10.1002/mabi.201800419] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 12/03/2018] [Indexed: 12/26/2022]
Abstract
Natural halloysite nanotubes (HNTs) show unique hollow structure, high aspect ratio and adsorption ability, good biocompatibility, and low toxicity, which allow for various biomedical applications in the diagnosis and treatment of diseases. Here, advances in self-assembly of halloysite for cell capturing and bacterial proliferation, coating on biological surfaces and related drug delivery, bone regeneration, bioscaffolds, and cell labeling are summarized. The in vivo toxicity of these clay nanotubes is discussed. Halloysite allows for 10-20% drug loading and can extend the delivery time to 10-100 h. These drug-loaded nanotubes are doped into the polymer scaffolds to release the loaded drugs. The rough surfaces fabricated by self-assembly of the clay nanotubes enhance the interactions with tumor cells, and the cell capture efficacy is significantly improved. Since halloysite has no toxicity toward microorganisms, the bacteria composed within these nanotubes can be explored in oil/water emulsion for petroleum spilling bioremediation. Coating of living cells with halloysite can control the cell growth and is not harmful to their viability. Quantum dots immobilized on halloysite were employed for cell labeling and imaging. The concluding academic results combined with the abundant availability of these natural nanotubes promise halloysite applications in personal healthcare and environmental remediation.
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Affiliation(s)
- Mingxian Liu
- Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA, 71270, USA.,Department of Materials Science and Engineering, Jinan University, Guangzhou, 510632, P. R. China
| | - Rawil Fakhrullin
- Bionanotechnology Lab, Kazan Federal University, Kazan, 420008, Republic of Tatarstan, Russian Federation
| | - Andrei Novikov
- Functional Aluminosilicate Nanomaterials Lab, Gubkin Russian State University of Oil and Gas, Moscow, 119991, Russia
| | - Abhishek Panchal
- Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA, 71270, USA
| | - Yuri Lvov
- Institute for Micromanufacturing, Louisiana Tech University, Ruston, LA, 71270, USA.,Functional Aluminosilicate Nanomaterials Lab, Gubkin Russian State University of Oil and Gas, Moscow, 119991, Russia
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10
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A Review of the Synthesis and Applications of Polymer–Nanoclay Composites. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8091696] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Recent advancements in material technologies have promoted the development of various preparation strategies and applications of novel polymer–nanoclay composites. Innovative synthesis pathways have resulted in novel polymer–nanoclay composites with improved properties, which have been successfully incorporated in diverse fields such as aerospace, automobile, construction, petroleum, biomedical and wastewater treatment. These composites are recognized as promising advanced materials due to their superior properties, such as enhanced density, strength, relatively large surface areas, high elastic modulus, flame retardancy, and thermomechanical/optoelectronic/magnetic properties. The primary focus of this review is to deliver an up-to-date overview of polymer–nanoclay composites along with their synthesis routes and applications. The discussion highlights potential future directions for this emerging field of research.
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11
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Massaro M, Cavallaro G, Colletti CG, Lazzara G, Milioto S, Noto R, Riela S. Chemical modification of halloysite nanotubes for controlled loading and release. J Mater Chem B 2018; 6:3415-3433. [PMID: 32254440 DOI: 10.1039/c8tb00543e] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Clay minerals have been used for medical purposes from ancient times. Among them, the halloysite nanotube, an aluminosilicate of the kaolin group, is an emerging nanomaterial which possesses peculiar chemical characteristics. By means of suitable modifications, such as supramolecular functionalization or covalent modifications, it is possible to obtain novel nanomaterials with tunable properties for several applications. In this context the covalent grafting of suitable organic moieties on the external surface or in the halloysite lumen has been exploited to improve the loading and release of several biologically active molecules. The resulting hybrid nanomaterials have been applied as drug carrier and delivery systems, as fillers for hydrogels, in tissue regeneration and in the gene delivery field. Furthermore the loading and release of specific molecules have been also investigated for environmental purposes. This review summarizes the main developments in the halloysite modifications in the last 20 years with a particular attention to the development in the past two years.
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Affiliation(s)
- Marina Massaro
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
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12
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Panchal A, Swientoniewski LT, Omarova M, Yu T, Zhang D, Blake DA, John V, Lvov YM. Bacterial proliferation on clay nanotube Pickering emulsions for oil spill bioremediation. Colloids Surf B Biointerfaces 2018; 164:27-33. [DOI: 10.1016/j.colsurfb.2018.01.021] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 12/19/2017] [Accepted: 01/15/2018] [Indexed: 02/08/2023]
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13
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Gardi I, Mishael YG. Designing a regenerable stimuli-responsive grafted polymer-clay sorbent for filtration of water pollutants. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2018; 19:588-598. [PMID: 30151061 PMCID: PMC6104616 DOI: 10.1080/14686996.2018.1499381] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 07/09/2018] [Accepted: 07/09/2018] [Indexed: 05/22/2023]
Abstract
A novel, stimuli-responsive composite, based on poly(4-vinylpyridine) (PVP) brushes, end-grafted to montmorillonite clay (GPC), was designed as a regenerable sorbent for efficient removal of pollutants from water. We characterized the novel composite sorbent and its response to pH, employing Fourier transform infrared, X-ray photoelectron spectroscopy, X-ray diffraction, thermogravimetry analysis and zeta potential measurements. In comparison with conventional, electrostatically adsorbed PVP composites (APC), the GPC presented superior characteristics: higher polymer loading without polymer release, higher zeta potential and lower pH/charge dependency. These superior characteristics explained the significantly higher removal of organic and inorganic anionic pollutants by this composite, in comparison with the removal by APC and by many reported sorbents. For example, the filtration (20 pore volumes) of selenate by GPC, APC and a commercial resin column was complete (100%), negligible (0%) and reached 90% removal, respectively. At low-moderate pH, the grafted polymer undergoes protonation, promoting pollutant adsorption, whereas at high pH, the polymer deprotonates, promoting pollutant desorption. Indeed, 'in-column' regeneration of the GPC sorbents was achieved by increasing pH, and upon a second filtration cycle, no reduction in filter capacity was observed. These findings suggest the possible applicability of this stimuli-responsive sorbent for water treatment.
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Affiliation(s)
- Ido Gardi
- Department of Soil and Water Science, The Robert H. Smith Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel
| | - Yael G. Mishael
- Department of Soil and Water Science, The Robert H. Smith Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot, Israel
- CONTACT Yael G. Mishael Department of Soil and Water Science, The Robert H. Smith Faculty of Agriculture, Food and Environment, Hebrew University of Jerusalem, Rehovot76100, Israel
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14
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Bai L, Jiang X, Liu B, Wang W, Chen H, Xue Z, Niu Y, Yang H, Wei D. RAFT-mediated Pickering emulsion polymerization with cellulose nanocrystals grafted with random copolymer as stabilizer. RSC Adv 2018; 8:28660-28667. [PMID: 35548399 PMCID: PMC9084400 DOI: 10.1039/c8ra03816c] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 07/26/2018] [Indexed: 12/26/2022] Open
Abstract
The synthesis of a RAFT-mediated Pickering emulsion was firstly achieved by using cellulose nanocrystals (CNCs) grafted with a random copolymer as the stabilizer. Firstly, poly(acrylonitrile-r-butyl acrylate) (poly(AN-r-nBA)) was synthesized by Cu(0)-mediated CRP, which was further modified via a click chemistry strategy to obtain poly(ethylene tetrazole-r-butyl acrylate) (poly(VT-r-nBA)). Then, poly(VT-r-nBA) was grafted onto the CNCs through a Mitsunobu reaction to obtain poly(VT-r-nBA)-g-CNCs. Stabilized by poly(VT-r-nBA)-g-CNCs, an O/W RAFT-mediated Pickering emulsion was formed for the preparation of well-controlled poly(methyl methacrylate) (PMMA) particles with water-soluble potassium persulfate (KPS) as an initiator and oil-soluble 4-cyanopentanoic acid dithiobenzoate (CPADB) as a chain transfer agent. Rheological analysis suggested that the prepared Pickering emulsion possessed good stability under the influences of changes in strain, time, frequency and temperature. Furthermore, the recycling and further utilization of the poly(VT-r-nBA)-g-CNCs could be simply realized through centrifugal separation. A RAFT-mediated Pickering emulsion with cellulose nanocrystals grafted with a random copolymer was used for the preparation of poly(methyl methacrylate) particles..![]()
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Affiliation(s)
- Liangjiu Bai
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Xinyan Jiang
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Beifang Liu
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Wenxiang Wang
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Hou Chen
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Zhongxin Xue
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Yuzhong Niu
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Huawei Yang
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
| | - Donglei Wei
- School of Chemistry and Materials Science
- Key Laboratory of High Performance and Functional Polymer in the Universities of Shandong Province
- Ludong University
- Yantai 264025
- China
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15
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Zoppe JO, Ataman NC, Mocny P, Wang J, Moraes J, Klok HA. Surface-Initiated Controlled Radical Polymerization: State-of-the-Art, Opportunities, and Challenges in Surface and Interface Engineering with Polymer Brushes. Chem Rev 2017; 117:1105-1318. [PMID: 28135076 DOI: 10.1021/acs.chemrev.6b00314] [Citation(s) in RCA: 587] [Impact Index Per Article: 83.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The generation of polymer brushes by surface-initiated controlled radical polymerization (SI-CRP) techniques has become a powerful approach to tailor the chemical and physical properties of interfaces and has given rise to great advances in surface and interface engineering. Polymer brushes are defined as thin polymer films in which the individual polymer chains are tethered by one chain end to a solid interface. Significant advances have been made over the past years in the field of polymer brushes. This includes novel developments in SI-CRP, as well as the emergence of novel applications such as catalysis, electronics, nanomaterial synthesis and biosensing. Additionally, polymer brushes prepared via SI-CRP have been utilized to modify the surface of novel substrates such as natural fibers, polymer nanofibers, mesoporous materials, graphene, viruses and protein nanoparticles. The last years have also seen exciting advances in the chemical and physical characterization of polymer brushes, as well as an ever increasing set of computational and simulation tools that allow understanding and predictions of these surface-grafted polymer architectures. The aim of this contribution is to provide a comprehensive review that critically assesses recent advances in the field and highlights the opportunities and challenges for future work.
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Affiliation(s)
- Justin O Zoppe
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - Nariye Cavusoglu Ataman
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - Piotr Mocny
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - Jian Wang
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - John Moraes
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
| | - Harm-Anton Klok
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères Bâtiment MXD, Ecole Polytechnique Fédérale de Lausanne (EPFL) , Station 12 CH-1015 Lausanne, Switzerland
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16
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Karthikeyan P, Mitu L, Pandian K, Anbarasu G, Rajavel R. Electrochemical deposition of a Zn-HNT/p(EDOT-co-EDOP) nanocomposite on LN SS for anti-bacterial and anti-corrosive applications. NEW J CHEM 2017. [DOI: 10.1039/c6nj03927h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A copolymer composite of Zn-HNT/p(EDOT-co-EDOP) was deposited on low nickel stainless steel (LN SS) using an electrochemical polymerization method.
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Affiliation(s)
- P. Karthikeyan
- Department of Chemistry
- Periyar University
- Salem 636 011
- India
| | - Liviu Mitu
- Faculty of Science
- University of Pitesti
- Pitesti 110040
- Romania
| | - K. Pandian
- Department of Inorganic Chemistry
- University of Madras
- Chennai 600 025
- India
| | - G. Anbarasu
- Department of Chemistry
- Periyar University
- Salem 636 011
- India
| | - R. Rajavel
- Department of Chemistry
- Periyar University
- Salem 636 011
- India
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17
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Massaro M, Lazzara G, Milioto S, Noto R, Riela S. Covalently modified halloysite clay nanotubes: synthesis, properties, biological and medical applications. J Mater Chem B 2017; 5:2867-2882. [DOI: 10.1039/c7tb00316a] [Citation(s) in RCA: 141] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Halloysite (HNT) is a promising natural nanosized tubular clay mineral that has many important uses in different industrial fields.
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Affiliation(s)
- M. Massaro
- Dipartimento STEBICEF
- Sez. Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
| | - G. Lazzara
- Dipartimento di Fisica e Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
- Ed. 17
| | - S. Milioto
- Dipartimento di Fisica e Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
- Ed. 17
| | - R. Noto
- Dipartimento STEBICEF
- Sez. Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
| | - S. Riela
- Dipartimento STEBICEF
- Sez. Chimica
- Università degli Studi di Palermo
- Viale delle Scienze
- Parco d'Orleans II
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18
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Wu J, Tian C, Zhang L, Cheng Z, Zhu X. Synthesis of soap-free emulsion with high solid content by differential dripping RAFT polymerization-induced self-assembly. RSC Adv 2017. [DOI: 10.1039/c6ra27290h] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A soap-free emulsion with high solid content (60%) was successfully prepared by differential dripping RAFT polymerization-induced self-assembly in a semi-batch monomer addition manner.
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Affiliation(s)
- Juanjuan Wu
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Department of Polymer Science and Engineering
- College of Chemistry, Chemical Engineering and Materials Science
| | - Chun Tian
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Department of Polymer Science and Engineering
- College of Chemistry, Chemical Engineering and Materials Science
| | - Lifen Zhang
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Department of Polymer Science and Engineering
- College of Chemistry, Chemical Engineering and Materials Science
| | - Zhenping Cheng
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Department of Polymer Science and Engineering
- College of Chemistry, Chemical Engineering and Materials Science
| | - Xiulin Zhu
- Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials
- Department of Polymer Science and Engineering
- College of Chemistry, Chemical Engineering and Materials Science
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Isakova A, Burton C, Nowakowski DJ, Topham PD. Diels–Alder cycloaddition and RAFT chain end functionality: an elegant route to fullerene end-capped polymers with control over molecular mass and architecture. Polym Chem 2017. [DOI: 10.1039/c7py00394c] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fullerene C60 end-capped polymers are synthesised using RAFT chain end functionality and Diels–Alder reaction with excellent yield and composition control.
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Affiliation(s)
- Anna Isakova
- School of Chemical Engineering & Advanced Materials
- Merz Court
- Newcastle University
- Newcastle upon Tyne
- UK
| | - Christian Burton
- Aston Institute of Materials Research
- School of Engineering and Applied Science
- Aston University
- Birmingham
- UK
| | - Daniel J. Nowakowski
- Bioenergy Research Group
- European Bioenergy Research Institute
- Aston University
- Birmingham
- UK
| | - Paul D. Topham
- Aston Institute of Materials Research
- School of Engineering and Applied Science
- Aston University
- Birmingham
- UK
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20
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Owoseni O, Zhang Y, Su Y, He J, McPherson GL, Bose A, John VT. Tuning the Wettability of Halloysite Clay Nanotubes by Surface Carbonization for Optimal Emulsion Stabilization. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:13700-13707. [PMID: 26633133 DOI: 10.1021/acs.langmuir.5b03878] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The carbonization of hydrophilic particle surfaces provides an effective route for tuning particle wettability in the preparation of particle-stabilized emulsions. The wettability of naturally occurring halloysite clay nanotubes (HNT) is successfully tuned by the selective carbonization of the negatively charged external HNT surface. The positively charge chitosan biopolymer binds to the negatively charged external HNT surface by electrostatic attraction and hydrogen bonding, yielding carbonized halloysite nanotubes (CHNT) on pyrolysis in an inert atmosphere. Relative to the native HNT, the oil emulsification ability of the CHNT at intermediate levels of carbonization is significantly enhanced due to the thermodynamically more favorable attachment of the particles at the oil-water interface. Cryogenic scanning electron microscopy (cryo-SEM) imaging reveals that networks of CHNT attach to the oil-water interface with the particles in a side-on orientation. The concepts advanced here can be extended to other inorganic solids and carbon sources for the optimal design of particle-stabilized emulsions.
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Affiliation(s)
| | | | | | | | | | - Arijit Bose
- Department of Chemical Engineering, University of Rhode Island , Kingston, Rhode Island 02881, United States
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21
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Zetterlund PB, Thickett SC, Perrier S, Bourgeat-Lami E, Lansalot M. Controlled/Living Radical Polymerization in Dispersed Systems: An Update. Chem Rev 2015; 115:9745-800. [PMID: 26313922 DOI: 10.1021/cr500625k] [Citation(s) in RCA: 326] [Impact Index Per Article: 36.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Per B Zetterlund
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales , Sydney, NSW 2052, Australia
| | - Stuart C Thickett
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales , Sydney, NSW 2052, Australia
| | - Sébastien Perrier
- Department of Chemistry, The University of Warwick , Coventry CV4 7AL, U.K.,Faculty of Pharmacy and Pharmaceutical Sciences, Monash University , Melbourne, VIC 3052, Australia
| | - Elodie Bourgeat-Lami
- Laboratory of Chemistry, Catalysis, Polymers and Processes (C2P2), LCPP group, Université de Lyon, Université Lyon 1, CPE Lyon, CNRS, UMR 5265, 43, Boulevard du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Muriel Lansalot
- Laboratory of Chemistry, Catalysis, Polymers and Processes (C2P2), LCPP group, Université de Lyon, Université Lyon 1, CPE Lyon, CNRS, UMR 5265, 43, Boulevard du 11 Novembre 1918, F-69616 Villeurbanne, France
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22
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Nanofibers of poly (hydroxyethyl methacrylate)-grafted halloysite nanotubes and polycaprolactone by combination of RAFT polymerization and electrospinning. JOURNAL OF POLYMER RESEARCH 2015. [DOI: 10.1007/s10965-015-0773-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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