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Wang C, Zhao H. Polymer Brushes and Surface Nanostructures: Molecular Design, Precise Synthesis, and Self-Assembly. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:2439-2464. [PMID: 38279930 DOI: 10.1021/acs.langmuir.3c02813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2024]
Abstract
For over two decades, polymer brushes have found wide applications in industry and scientific research. Now, polymer brush research has been a significant research focus in the community of polymer science. In this review paper, we give an introduction to the synthesis, self-assembly, and applications of one-dimensional (1D) polymer brushes on polymer backbones, two-dimensional (2D) polymer brushes on flat surfaces, and three-dimensional (3D) polymer brushes on spherical particles. Examples of the synthesis of polymer brushes on different substrates are provided. Studies on the formation of the surface nanostructures on solid surfaces are also reviewed in this article. Multicomponent polymer brushes on solid surfaces are able to self-assemble into surface micelles (s-micelles). If the s-micelles are linked to the substrates through cleavable linkages, the s-micelles can be cleaved from the substrates, and the cleaved s-micelles are able to self-assemble into hierarchical structures. The formation of the surface nanostructures by coassembly of polymer brushes and "free" polymer chains (coassembly approach) or polymerization-induced surface self-assembly approach, is discussed. The applications of the polymer brushes in colloid and biomedical science are summarized. Finally, perspectives on the development of polymer brushes are offered in this article.
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Affiliation(s)
- Chen Wang
- College of Chemistry and Key Laboratory of Functional Polymer Materials of the Ministry of Education, Nankai University, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
| | - Hanying Zhao
- College of Chemistry and Key Laboratory of Functional Polymer Materials of the Ministry of Education, Nankai University, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
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2
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Chambon L, Das M, Vasilaki E, Petekidis G, Vamvakaki M. Colloidal Rod-Like Particles with Temperature-Driven Tunable Interactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:13674-13685. [PMID: 36263911 DOI: 10.1021/acs.langmuir.2c01716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Temperature-sensitive rod-like colloidal particles were synthesized by grafting a temperature-responsive polymer, poly(2-(dimethylamino)ethyl methacrylate) (PDMA), on the surface of high aspect ratio silica rods by surface-initiated atom transfer radical polymerization. The stability of the grafted polymer on the surface of the particles in aqueous solutions was found to deteriorate with time, leading to a gradual decrease of the polymer content of the hybrid colloids, which was attributed to the mechanically activated hydrolysis of the labile bonds at the polymer-silica interface. The polymer degrafting was significantly suppressed by first growing a hydrophobic poly(methyl methacrylate) block onto the particle surface to act as a barrier layer for the penetration of water molecules at the polymer-particle interface, followed by chain-extension with the hydrophilic PDMA chains. Dynamic light scattering, microscopy, and rheological measurements revealed that the PDMA block conferred a temperature-responsive behavior to the rod-like particles, which formed aggregates at temperatures above the lower critical solution temperature (LCST) of the polymer. However, in contrast to their spherical counterparts, the polymer-grafted rod-like particles did not exhibit complete thermo-reversibility upon lowering the solution temperature below the LCST of PDMA, which was reflected by different values of the diffusion coefficient for the heating and cooling cycles, indicating an irreversible rod particle aggregation upon increasing the temperature.
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Affiliation(s)
- Lucille Chambon
- Department of Materials Science and Technology, University of Crete, 700 13Heraklion, Crete, Greece
- Institute of Electronic Structure and Laser, Foundation for Research and Technology─Hellas, 700 13Heraklion, Crete, Greece
| | - Mohan Das
- Department of Materials Science and Technology, University of Crete, 700 13Heraklion, Crete, Greece
- Institute of Electronic Structure and Laser, Foundation for Research and Technology─Hellas, 700 13Heraklion, Crete, Greece
| | - Evangelia Vasilaki
- Department of Materials Science and Technology, University of Crete, 700 13Heraklion, Crete, Greece
- Institute of Electronic Structure and Laser, Foundation for Research and Technology─Hellas, 700 13Heraklion, Crete, Greece
| | - George Petekidis
- Department of Materials Science and Technology, University of Crete, 700 13Heraklion, Crete, Greece
- Institute of Electronic Structure and Laser, Foundation for Research and Technology─Hellas, 700 13Heraklion, Crete, Greece
| | - Maria Vamvakaki
- Department of Materials Science and Technology, University of Crete, 700 13Heraklion, Crete, Greece
- Institute of Electronic Structure and Laser, Foundation for Research and Technology─Hellas, 700 13Heraklion, Crete, Greece
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3
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Dhingra S, Gaur V, Saini V, Rana K, Bhattacharya J, Loho T, Ray S, Bajaj A, Saha S. Cytocompatible, soft and thick brush-modified scaffolds with prolonged antibacterial effect to mitigate wound infections. Biomater Sci 2022; 10:3856-3877. [PMID: 35678619 DOI: 10.1039/d2bm00245k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2024]
Abstract
Biomedical device or implant-associated infections caused by pathogenic bacteria are a major clinical issue, and their prevention and/or treatment remains a challenging task. Infection-resistant antimicrobial coatings with impressive cytocompatibility offer a step towards addressing this problem. Herein, we report a new strategy for constructing highly antibacterial as well as cytocompatible mixed polymer brushes onto the surface of 3D printed scaffold made of biodegradable tartaric acid-based aliphatic polyester blends. The mixed brushes were nothing but a combination of poly(3-dimethyl-(methacryloyloxyethyl) ammonium propane sulfonate) (polyDMAPS) and poly((oligo ethylene glycol) methyl ether methacrylate) (polyPEGMA) with varying chain length (n) of the ethylene glycol unit (n = 1, 6, 11, and 21). Both homo and copolymeric brushes of polyDMAPS with polyPEGMA exhibited antibacterial efficacy against both Gram positive and Gram negative pathogens such as E. coli (Escherichia coli) and S. aureus (Staphylococcus aureus) because of the combined action of bacteriostatic effects originating from strongly hydrated layers present in zwitterionic (polyDMAPS) and hydrophilic (polyPEGMA) copolymer brushes. Interestingly, a mixed polymer brush comprising polyDMAPS and polyPEGMA (ethylene glycol chain unit of 21) at 50/50 ratio provided zero bacterial growth and almost 100% cytocompatibility (tested using L929 mouse fibroblast cells), making the brush-modified biodegradable substrate an excellent choice for an infection-resistant and cytocompatible surface. An attempt was made to understand their extraordinary performance with the help of contact angle, surface charge analysis and nanoindentation study, which revealed the formation of a hydrophilic, almost neutral, very soft surface (99.99% reduction in hardness and modulus) after modification with the mixed brushes. This may completely suppress bacterial adhesion. Animal studies demonstrated that these brush-modified scaffolds are biocompatible and can mitigate wound infections. Overall, this study shows that the fascinating combination of an infection-resistant and cytocompatible surface can be generated on biodegradable polymeric surfaces by modulating the surface hardness, flexibility and hydrophilicity by selecting appropriate functionality of the copolymeric brushes grafted onto them, making them ideal non-leaching, anti-infective, hemocompatible and cytocompatible coatings for biodegradable implants.
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Affiliation(s)
- Shaifali Dhingra
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, India.
| | - Vidit Gaur
- Centre for Biomedical Engineering, Indian Institute of Technology Delhi, India
| | - Varsha Saini
- Laboratory of Nanotechnology and Chemical Biology, Regional Centre For Biotechnology, India
| | - Kajal Rana
- Laboratory of Nanotechnology and Chemical Biology, Regional Centre For Biotechnology, India
| | | | - Thomas Loho
- Department of Chemical and Materials Engineering, The University of Auckland, New Zealand Institute for Minerals to Materials Research, India
| | - Sudip Ray
- Department of Chemical and Materials Engineering, The University of Auckland, New Zealand Institute for Minerals to Materials Research, India
| | - Avinash Bajaj
- Laboratory of Nanotechnology and Chemical Biology, Regional Centre For Biotechnology, India
| | - Sampa Saha
- Department of Materials Science and Engineering, Indian Institute of Technology Delhi, India.
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4
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Mons PJ, Fribiczer N, Kowalczuk K, Poudel P, Seiffert S, Schacher FH. Double hydrophilic poly(ethylene glycol)- block-poly(dehydroalanine) four-arm star block copolymers: synthesis and solution behavior. Polym Chem 2022. [DOI: 10.1039/d2py00579d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the synthesis and solution behavior of double hydrophilic star-shaped block copolymers featuring an ampholytic polydehydroalanine segment.
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Affiliation(s)
- Peter J. Mons
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Lessingstraße 8, D-07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, D-07743 Jena, Germany
- Center for Energy and Environmental Chemistry (CEEC), Friedrich-Schiller-University Jena, Philosophenweg 7, D-07743 Jena, Germany
| | - Nora Fribiczer
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10–14, D-55128 Mainz, Germany
| | - Kathrin Kowalczuk
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Lessingstraße 8, D-07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, D-07743 Jena, Germany
- Center for Energy and Environmental Chemistry (CEEC), Friedrich-Schiller-University Jena, Philosophenweg 7, D-07743 Jena, Germany
| | - Purushottam Poudel
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Lessingstraße 8, D-07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, D-07743 Jena, Germany
- Center for Energy and Environmental Chemistry (CEEC), Friedrich-Schiller-University Jena, Philosophenweg 7, D-07743 Jena, Germany
| | - Sebastian Seiffert
- Department of Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10–14, D-55128 Mainz, Germany
| | - Felix H. Schacher
- Institute of Organic Chemistry and Macromolecular Chemistry (IOMC), Friedrich-Schiller-University Jena, Lessingstraße 8, D-07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich-Schiller-University Jena, Philosophenweg 7, D-07743 Jena, Germany
- Center for Energy and Environmental Chemistry (CEEC), Friedrich-Schiller-University Jena, Philosophenweg 7, D-07743 Jena, Germany
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5
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Li D, Sharili AS, Connelly J, Gautrot JE. Highly Stable RNA Capture by Dense Cationic Polymer Brushes for the Design of Cytocompatible, Serum-Stable SiRNA Delivery Vectors. Biomacromolecules 2018; 19:606-615. [DOI: 10.1021/acs.biomac.7b01686] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
| | - Amir S. Sharili
- Barts
and the London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, United Kingdom
| | - John Connelly
- Barts
and the London School of Medicine and Dentistry, Queen Mary University of London, 4 Newark Street, London E1 2AT, United Kingdom
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6
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Affiliation(s)
- Paweł Chmielarz
- Department of Physical Chemistry, Faculty of Chemistry; Rzeszow University of Technology; Al. Powstańców Warszawy 6 35-959 Rzeszow Poland
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7
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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: 603] [Impact Index Per Article: 86.1] [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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8
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Zhang T, Du Y, Kalbacova J, Schubel R, Rodriguez RD, Chen T, Zahn DRT, Jordan R. Wafer-scale synthesis of defined polymer brushes under ambient conditions. Polym Chem 2015. [DOI: 10.1039/c5py01274k] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A facile method to synthesize dense, homo- and multiblock copolymer brushes on the wafer-scale under ambient conditions is presented.
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Affiliation(s)
- Tao Zhang
- Professur für Makromolekulare Chemie
- Technische Universität Dresden
- 01062 Dresden
- Germany
| | - Yunhao Du
- Professur für Makromolekulare Chemie
- Technische Universität Dresden
- 01062 Dresden
- Germany
| | - Jana Kalbacova
- Semiconductor Physics
- Technische Universität Chemnitz
- 09107 Chemnitz
- Germany
| | - René Schubel
- Professur für Makromolekulare Chemie
- Technische Universität Dresden
- 01062 Dresden
- Germany
| | - Raul D. Rodriguez
- Semiconductor Physics
- Technische Universität Chemnitz
- 09107 Chemnitz
- Germany
| | - Tao Chen
- Department of Polymer and Composite
- Ningbo Institute of Materials Technology and Engineering
- Chinese Academy of Sciences
- 315201 Ningbo
- P.R. China
| | | | - Rainer Jordan
- Professur für Makromolekulare Chemie
- Technische Universität Dresden
- 01062 Dresden
- Germany
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9
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Xu F, Xu JW, Zhang BX, Yan-Ling L. Self-assembly micelles from novel tri-armed star C3-(PS-b-PNIPAM) block copolymers for anticancer drug release. AIChE J 2014. [DOI: 10.1002/aic.14659] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Feng Xu
- Key Laboratory of Macromolecular Science of Shaanxi Province; School of Chemistry and Chemical Engineering, Shaanxi Normal University; Xi'an 710062 P. R. China
| | - Jing-Wen Xu
- Key Laboratory of Macromolecular Science of Shaanxi Province; School of Chemistry and Chemical Engineering, Shaanxi Normal University; Xi'an 710062 P. R. China
| | - Bi-Xia Zhang
- Key Laboratory of Macromolecular Science of Shaanxi Province; School of Chemistry and Chemical Engineering, Shaanxi Normal University; Xi'an 710062 P. R. China
| | - Luo Yan-Ling
- Key Laboratory of Macromolecular Science of Shaanxi Province; School of Chemistry and Chemical Engineering, Shaanxi Normal University; Xi'an 710062 P. R. China
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10
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Jamshaid T, Eissa M, Zine N, Errachid El-Salhi A, Ahmad NM, Elaissari A. Soft Hybrid Nanoparticles: from Preparation to Biomedical Applications. SOFT NANOPARTICLES FOR BIOMEDICAL APPLICATIONS 2014:312-341. [DOI: 10.1039/9781782625216-00312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Hybrid particles are a class of materials that include both organic and inorganic moieties at the same time and possess interesting magnetic, optical and mechanical properties. Extensive research is being carried out to develop soft hybrid nanoparticles utilizing their superparamagnetic, biodegradable and fluorescence properties and to explore their biomedical applications. This chapter discusses the important methods for the development of different types of soft hybrid nanoparticles, including polymer immobilization on preformed particles, adsorption of polymers on colloidal particles, adsorption of polymers via layer-by-layer self-assembly, adsorption of nanoparticles on colloidal particles, chemical grafting of preformed polymers, polymerization from and on to colloidal particles, click chemistry, atom-transfer radical polymerization (ATRP), reversible addition–fragmentation chain-transfer radical (RAFT) polymerization, nitroxide-mediated polymerization (NMP) and conventional seed radical polymerization. With current rapid advances in nanomedicine, colloidally engineered hybrid particles are gaining immense importance in fields such as cancer therapy, gene therapy, disease diagnosis and bioimaging. The applications of soft hybrid nanoparticles with respect to diagnosis are discussed briefly and a comprehensive account of their applications in the capture and extraction of nucleic acids, proteins and viruses is presented in this chapter.
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Affiliation(s)
- Talha Jamshaid
- University of Lyon, 69622 Lyon, France; University of Lyon-1, Villeurbanne CNRS, UMR-5007, LAGEP-CPE; 43 boulevard 11 Novembre 1918 69622 Villeurbanne France
- Institut des Sciences Analytiques (ISA), Université Lyon, Université Claude Bernard Lyon-1 UMR-5180, 5 rue de la Doua 69100 Villeurbanne France
| | - Mohamed Eissa
- University of Lyon, 69622 Lyon, France; University of Lyon-1, Villeurbanne CNRS, UMR-5007, LAGEP-CPE; 43 boulevard 11 Novembre 1918 69622 Villeurbanne France
- Polymers and Pigments Department, National Resaerch Centre Dokki, Giza 12622 Egypt
| | - Nadia Zine
- Institut des Sciences Analytiques (ISA), Université Lyon, Université Claude Bernard Lyon-1 UMR-5180, 5 rue de la Doua 69100 Villeurbanne France
| | - Abdelhamid Errachid El-Salhi
- Institut des Sciences Analytiques (ISA), Université Lyon, Université Claude Bernard Lyon-1 UMR-5180, 5 rue de la Doua 69100 Villeurbanne France
| | - Nasir M. Ahmad
- Polymer and Surface Engineering Laboratory, Department of Materials Engineering, School of Chemical and Materials Engineering (SCME), National University of Sciences and Technology (NUST) Islamabad 44000 Pakistan
| | - Abdelhamid Elaissari
- University of Lyon, 69622 Lyon, France; University of Lyon-1, Villeurbanne CNRS, UMR-5007, LAGEP-CPE; 43 boulevard 11 Novembre 1918 69622 Villeurbanne France
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11
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Affiliation(s)
- M. Elizabeth Welch
- Department of Chemistry and Chemical Biology; Cornell University; Ithaca New York 14850
| | - Christopher K. Ober
- Department of Materials Science and Engineering; Cornell University; Ithaca New York 14850
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12
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He W, Jiang H, Zhang L, Cheng Z, Zhu X. Atom transfer radical polymerization of hydrophilic monomers and its applications. Polym Chem 2013. [DOI: 10.1039/c3py00122a] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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13
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Yang JH, Choi SH. Comparison study of a chiral stationary phase based on cellulose derivatives prepared by “grafting from” and “grafting to” methods. J Appl Polym Sci 2012. [DOI: 10.1002/app.38028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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14
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Chabrol V, Léonard D, Zorn M, Reck B, D’Agosto F, Charleux B. Efficient Copper-Mediated Surface-Initiated Polymerization from Raw Polymer Latex in Water. Macromolecules 2012. [DOI: 10.1021/ma300236r] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Virginie Chabrol
- Université de Lyon, Univ Lyon 1, CPE Lyon, CNRS, UMR 5265, C2P2 (Chemistry, Catalysis, Polymers & Processes), Bât. 308F, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Didier Léonard
- Université de Lyon, F 69622, Lyon, France. Institut des Sciences
Analytiques, UMR 5280, Laboratoire des Sciences Analytiques, Bât.
J. Raulin, Université Claude Bernard-Lyon 1, F-69622 Villeurbanne, France
| | - Matthias Zorn
- BASF SE, Carl-Bosch-Str.38, 67056 Ludwigshafen, Germany
| | - Bernd Reck
- BASF SE, Carl-Bosch-Str.38, 67056 Ludwigshafen, Germany
| | - Franck D’Agosto
- Université de Lyon, Univ Lyon 1, CPE Lyon, CNRS, UMR 5265, C2P2 (Chemistry, Catalysis, Polymers & Processes), Bât. 308F, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Bernadette Charleux
- Université de Lyon, Univ Lyon 1, CPE Lyon, CNRS, UMR 5265, C2P2 (Chemistry, Catalysis, Polymers & Processes), Bât. 308F, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
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15
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Jin X, Li Y, Yu C, Ma Y, Yang L, Hu H. Synthesis of novel inorganic-organic hybrid materials for simultaneous adsorption of metal ions and organic molecules in aqueous solution. JOURNAL OF HAZARDOUS MATERIALS 2011; 198:247-256. [PMID: 22047723 DOI: 10.1016/j.jhazmat.2011.10.040] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2011] [Revised: 09/25/2011] [Accepted: 10/12/2011] [Indexed: 05/31/2023]
Abstract
In this paper, atom transfer radical polymerization (ATRP) and radical grafting polymerization were combined to synthesize a novel amphiphilic hybrid material, meanwhile, the amphiphilic hybrid material was employed in the absorption of heavy metal and organic pollutants. After the formation of attapulgite (ATP) ATRP initiator, ATRP block copolymers of styrene (St) and divinylbenzene (DVB) were grafted from it as ATP-P(S-b-DVB). Then radical polymerization of acrylonitrile (AN) was carried out with pendent double bonds in the DVD units successfully, finally we got the inorganic-organic hybrid materials ATP-P(S-b-DVB-g-AN). A novel amphiphilic hybrid material ATP-P(S-b-DVB-g-AO) (ASDO) was obtained after transforming acrylonitrile (AN) units into acrylamide oxime (AO) as hydrophilic segment. The adsorption capacity of ASDO for Pb(II) could achieve 131.6 mg/g, and the maximum removal capacity of ASDO towards phenol was found to be 18.18 mg/g in the case of monolayer adsorption at 30°C. The optimum pH was 5 for both lead and phenol adsorption. The adsorption kinetic suited pseudo-second-order equation and the equilibrium fitted the Freundlich model very well under optimal conditions. At the same time FT-IR, TEM and TGA were also used to study its structure and property.
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Affiliation(s)
- Xinliang Jin
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Institute of Biochemical Engineering & Environmental Technology, Lanzhou University, Lanzhou, PR China
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16
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Yang JH, Choi SH. Synthesis of a chiral stationary phase with poly[styrene-b-cellulose 2,3-bis(3,5-dimethylphenylcarbamate)] by surface-initiated atom transfer radical polymerization and its chiral resolution efficiency. J Appl Polym Sci 2011. [DOI: 10.1002/app.34106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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17
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Zhu Y, Lv B, Zhang P, Ma H. Swelling induced Au–S bond breakage is determined by the molecular composition of surface tethered copolymers—carboxylated poly(OEGMA-r-HEMA). Chem Commun (Camb) 2011; 47:9855-7. [DOI: 10.1039/c1cc13106k] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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18
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Amphiphilic polymeric particles with core–shell nanostructures: emulsion-based syntheses and potential applications. Colloid Polym Sci 2010. [DOI: 10.1007/s00396-010-2276-9] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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19
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OUYANG KL, SUN YP, GONG BL. Preparation of New Polymeric Monodisperse Thermosensitive Chromatographic Stationary Phase and Its Application in Separation of Biopolymers. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2010. [DOI: 10.1016/s1872-2040(09)60050-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Barbey R, Lavanant L, Paripovic D, Schüwer N, Sugnaux C, Tugulu S, Klok HA. Polymer brushes via surface-initiated controlled radical polymerization: synthesis, characterization, properties, and applications. Chem Rev 2010; 109:5437-527. [PMID: 19845393 DOI: 10.1021/cr900045a] [Citation(s) in RCA: 1226] [Impact Index Per Article: 87.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Raphaël Barbey
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institut des Matériaux, Laboratoire des Polymères, Bâtiment MXD, Station 12, CH-1015 Lausanne, Switzerland
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Charleux B, D’Agosto F, Delaittre G. Preparation of Hybrid Latex Particles and Core–Shell Particles Through the Use of Controlled Radical Polymerization Techniques in Aqueous Media. HYBRID LATEX PARTICLES 2010. [DOI: 10.1007/12_2010_64] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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22
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Friebe A, Ulbricht M. Cylindrical Pores Responding to Two Different Stimuli via Surface-Initiated Atom Transfer Radical Polymerization for Synthesis of Grafted Diblock Copolymers. Macromolecules 2009. [DOI: 10.1021/ma802185d] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alexander Friebe
- Lehrstuhl für Technische Chemie II, Universität Duisburg-Essen, 45141 Essen, Germany, and CeNIDE—Centre for Nanointegration Duisburg-Essen, 47057 Duisburg, Germany
| | - Mathias Ulbricht
- Lehrstuhl für Technische Chemie II, Universität Duisburg-Essen, 45141 Essen, Germany, and CeNIDE—Centre for Nanointegration Duisburg-Essen, 47057 Duisburg, Germany
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24
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THE GRAFTING OF THERMOSENSITIVE POLYMER ONTO SUPERFINE SILICA SURFACE BY ATOM TRANSFER RADICAL POLYMERIZATION. ACTA POLYM SIN 2009. [DOI: 10.3724/sp.j.1105.2008.00899] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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Patrizi ML, Diociaiuti M, Capitani D, Masci G. Synthesis and association properties of thermoresponsive and permanently cationic charged block copolymers. POLYMER 2009. [DOI: 10.1016/j.polymer.2008.11.023] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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26
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Chang F, Yamabuki K, Onimura K, Oishi T. Modification of Cellulose by Using Atom Transfer Radical Polymerization and Ring-Opening Polymerization. Polym J 2008. [DOI: 10.1295/polymj.pj2008136] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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27
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Arslan H, Yeşilyurt N, Hazer B. Brush Type Copolymers of Poly(3-hydroxybutyrate) and Poly(3-hydroxyoctanoate) with Same Vinyl Monomers via “Grafting From” Technique by Using Atom Transfer Radical Polymerization Method. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/masy.200850905] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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28
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Rossi NAA, Jadhav V, Lai BFL, Maiti S, Kizhakkedathu JN. Stimuli-responsive cationic terpolymers by RAFT polymerization: Synthesis, characterization, and protein interaction studies. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/pola.22743] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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29
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Ranganathan K, Deng R, Kainthan RK, Wu C, Brooks DE, Kizhakkedathu JN. Synthesis of Thermoresponsive Mixed Arm Star Polymers by Combination of RAFT and ATRP from a Multifunctional Core and Its Self-Assembly in Water. Macromolecules 2008. [DOI: 10.1021/ma800094d] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Krishnan Ranganathan
- Centre for Blood Research and Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Chemistry, The Chinese University of Hong Kong, Hong Kong; and Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Rui Deng
- Centre for Blood Research and Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Chemistry, The Chinese University of Hong Kong, Hong Kong; and Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Rajesh K. Kainthan
- Centre for Blood Research and Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Chemistry, The Chinese University of Hong Kong, Hong Kong; and Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Chi Wu
- Centre for Blood Research and Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Chemistry, The Chinese University of Hong Kong, Hong Kong; and Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Donald E. Brooks
- Centre for Blood Research and Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Chemistry, The Chinese University of Hong Kong, Hong Kong; and Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
| | - Jayachandran N. Kizhakkedathu
- Centre for Blood Research and Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Department of Chemistry, The Chinese University of Hong Kong, Hong Kong; and Department of Chemistry, University of British Columbia, Vancouver, BC V6T 1Z3, Canada
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30
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Wahjudi PN, Oh JH, Salman SO, Seabold JA, Rodger DC, Tai YC, Thompson ME. Improvement of metal and tissue adhesion on surface-modified parylene C. J Biomed Mater Res A 2008; 89:206-14. [PMID: 18431781 DOI: 10.1002/jbm.a.31929] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
A general method for chemical surface functionalization of parylene C [PC, (para-CH2-C6H3Cl-CH2-)n] films is reported. Friedel-Crafts acylation is used to activate the surface of the PC film, and the resulting carbonyl groups are then used to form a range of different organic functional groups to the surface of the parylene film, including alcohol, imine, thiol, phthalimide, amine, and maleimide. The presence of these functional groups on the parylene surface was confirmed by Fourier transform infrared spectroscopy. Static water drop contact angle measurements were also used to demonstrate the changes in hydrophilicity of the PC film surface, consistent with each of the surface modifications. Enhanced metal (gold) adhesion was achieved by anchoring a thiol group onto the acylated surface of PC film. Acylation of parylene with 2-chloropropionyl chloride gave a surface bound chloropropionyl group. Grafting of poly-N-isopropylacrylamide (pNIPAM) onto the chloropropionyl substituted PC film via atom transfer radical polymerization (ATRP) was carried out. The grafted pNIPAM on the parylene surface leads to temperature-dependent cellular tissue adhesion on the PC film.
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Affiliation(s)
- Paulin N Wahjudi
- University of Southern California, Department of Chemistry, Los Angeles, California 90089, USA
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31
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Masci G, Diociaiuti M, Crescenzi V. ATRP synthesis and association properties of thermoresponsive anionic block copolymers. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/pola.22816] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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32
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Mittal V, Matsko N, Butté A, Morbidelli M. Synthesis of temperature responsive polymer brushes from polystyrene latex particles functionalized with ATRP initiator. Eur Polym J 2007. [DOI: 10.1016/j.eurpolymj.2007.10.012] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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33
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Binder WH, Gloger D, Weinstabl H, Allmaier G, Pittenauer E. Telechelic Poly(N-isopropylacrylamides) via Nitroxide-Mediated Controlled Polymerization and “Click” Chemistry: Livingness and “Grafting-from” Methodology. Macromolecules 2007. [DOI: 10.1021/ma0628376] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wolfgang H. Binder
- Makromolekulare Chemie, Martin-Luther Universität Halle-Wittenberg, Heinrich-Damerow Strasse 4, D-06120 Halle (Saale), Germany, Institute of Chemical Technologies and Analytics, Vienna University of Technology, 1060 Vienna, Austria
| | - Dietrich Gloger
- Makromolekulare Chemie, Martin-Luther Universität Halle-Wittenberg, Heinrich-Damerow Strasse 4, D-06120 Halle (Saale), Germany, Institute of Chemical Technologies and Analytics, Vienna University of Technology, 1060 Vienna, Austria
| | - Harald Weinstabl
- Makromolekulare Chemie, Martin-Luther Universität Halle-Wittenberg, Heinrich-Damerow Strasse 4, D-06120 Halle (Saale), Germany, Institute of Chemical Technologies and Analytics, Vienna University of Technology, 1060 Vienna, Austria
| | - Günther Allmaier
- Makromolekulare Chemie, Martin-Luther Universität Halle-Wittenberg, Heinrich-Damerow Strasse 4, D-06120 Halle (Saale), Germany, Institute of Chemical Technologies and Analytics, Vienna University of Technology, 1060 Vienna, Austria
| | - Ernst Pittenauer
- Makromolekulare Chemie, Martin-Luther Universität Halle-Wittenberg, Heinrich-Damerow Strasse 4, D-06120 Halle (Saale), Germany, Institute of Chemical Technologies and Analytics, Vienna University of Technology, 1060 Vienna, Austria
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34
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Li X, Peng J, Wen Y, Kim DH, Knoll W. Morphology change of asymmetric diblock copolymer micellar films during solvent annealing. POLYMER 2007. [DOI: 10.1016/j.polymer.2007.02.054] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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35
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Synthesis, characterization and application of well-defined environmentally responsive polymer brushes on the surface of colloid particles. POLYMER 2007. [DOI: 10.1016/j.polymer.2007.01.069] [Citation(s) in RCA: 139] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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36
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Pan K, Jiang L, Zhang J, Dan Y. Reverse atom transfer radical polymerization of methyl methacrylate in different solvents. J Appl Polym Sci 2007. [DOI: 10.1002/app.25242] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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37
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Pan K, Jiang L, Zhang J, Dan Y. Copper-based reverse ATRP process for the controlled radical polymerization of methyl methacrylate. J Appl Polym Sci 2007. [DOI: 10.1002/app.26246] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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38
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Arslan H, Yeşilyurt N, Hazer B. The synthesis of poly(3-hydroxybutyrate)-g-poly(methylmethacrylate) brush type graft copolymers by atom transfer radical polymerization method. J Appl Polym Sci 2007. [DOI: 10.1002/app.26870] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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39
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Coad BR, Steels BM, Kizhakkedathu JN, Brooks DE, Haynes CA. The influence of grafted polymer architecture and fluid hydrodynamics on protein separation by entropic interaction chromatography. Biotechnol Bioeng 2007; 97:574-87. [PMID: 17154426 DOI: 10.1002/bit.21283] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Entropic interaction chromatography (EIC) provides efficient size-based separation of protein mixtures through the entropy change associated with solute partitioning into a layer of hydrophilic homopolymer that has been end-grafted within the pores of a macroporous chromatography support. In this work, surface-initiated atom-transfer radical polymerization (ATRP) is used to prepare a library of EIC stationary phases covering a wide range of grafted-chain densities and molecular weights. Exhaustive chain cleavage and analysis by saponification and GPC-MALLS, respectively, show that the new ATRP synthesis procedure allows for excellent control over graft molecular weight and polydispersity. The method is used to prepare high-density grafts (up to 0.164 +/- 0.005 chains/nm(2)) that extend the range of EIC applications to include efficient buffer-exchange and desalting of protein preparations. Reducing the graft density allows for greater partitioning of high molecular weight solutes, extending the linear range of the selectivity curve. Increasing graft molecular weight also alters selectivity, but more directly affects column capacity by increasing the volume of the grafted layer. Protein partitioning in high-density EIC columns is found to decrease with mobile-phase velocity (u). Although solute mass transfer resistances leading to an increase in plate height can explain this effect, pressure drop data across the column are indicative of weak convective flow through at least a fraction of the grafted architecture. Modeling of the grafted brush properties in the presence of solvent flow by subjecting a self-consistent-field theory representation of the brush to a viscous shear force predicts that the grafted chains will tilt and elongate in the direction of flow. The shear force may therefore act to reduce the number of conformations available to chains, increasing their rigidity without significantly altering the thickness of the grafted layer. A reduction in protein partitioning is then predicted when the dependence on u of the solute entropy loss is stronger than that of the grafted polymer, a condition met at high graft densities.
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Affiliation(s)
- Bryan R Coad
- The Centre for Blood Research, the Department of Chemistry, University of British Columbia, Vancouver, BC, Canada V6T 1Z4
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40
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Zhang M, Liu L, Zhao H, Yang Y, Fu G, He B. Double-responsive polymer brushes on the surface of colloid particles. J Colloid Interface Sci 2006; 301:85-91. [PMID: 16780862 DOI: 10.1016/j.jcis.2006.05.004] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2006] [Revised: 05/01/2006] [Accepted: 05/01/2006] [Indexed: 12/01/2022]
Abstract
Well-defined poly(2-(dimethylamino)ethyl methacrylate) (PDMAEMA) brushes were synthesized on the surface of polystyrene latex particles by atom transfer radical polymerization (ATRP). It was found that the surface-initiated polymerization of DMAEMA catalyzed by CuCl/CuCl(2)/bpy was under good control in the solvent of acetone/water at ambient temperature (35 degrees C). High-density PDMAEMA brushes with low polydispersity (PDI 1.21) were obtained. TEM results demonstrate that the PDMAEMA-grafted particles have core-shell structure. Dynamic light scattering studies indicate that the particles with PDMAEMA brushes are both pH and temperature responsive.
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Affiliation(s)
- Mingming Zhang
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
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41
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Unsal E, Elmas B, Caglayan B, Tuncel M, Patir S, Tuncel A. Preparation of an Ion-Exchange Chromatographic Support by A “Grafting From” Strategy Based on Atom Transfer Radical Polymerization. Anal Chem 2006; 78:5868-75. [PMID: 16906734 DOI: 10.1021/ac060506l] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new "grafting from" strategy based on surface-initiated atom transfer radical polymerization (ATRP) was first used for the preparation of a polymer-based ion-exchange support for HPLC. The most important property of the proposed method is to be applicable for the synthesis of any type of ion exchanger in both the strong and the weak forms. Monodisperse, porous poly(glycidyl methacrylate-co-ethylene dimethacrylate), poly(GMA-co-EDM) particles 5.8 mum in size were synthesized by "modified seeded polymerization". Poly(dihydroxypropyl methacrylate-co-ethylene dimethacrylate), poly(DHPM-co-EDM) particles were then obtained by the acidic hydrolysis of poly(GMA-co-EDM) particles. The ATRP initiator, 3-(2-bromoisobutyramido)propyl(triethoxy)silane was covalently attached onto poly(DHPM-co-EDM) particles via the reaction between triethoxysilane and diol groups. In the next stage, the selected monomer carrying strong cation exchanger groups, 3-sulfopropyl methacrylate (SPM), was polymerized on the initiator-immobilized particles via surface-initiated ATRP. The degree of polymerization of SPM (i.e., length of polyionic ligand) on the particles was precisely controlled by adjusting ATRP conditions. Poly(SPM)-grafted poly(DHPM-co-EDM) particles obtained with different ATRP formulations were tried as chromatographic packing in the separation of proteins by ion-exchange chromatography. The proteins were successfully separated with higher column yields with respect to the previously proposed materials. The plate heights between 100 and 150 mum were achieved with the column packed with the particles carrying the shortest poly(SPM) chains. The plate height showed no significant increase with increasing flow rate in the range of 0.5-16 cm/min.
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Affiliation(s)
- Ender Unsal
- Chemical Engineering Department, Faculty of Science and Education, Hacettepe University, Ankara, Turkey
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42
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Liu G, Yan L, Chen X, Zhang G. Study of the kinetics of mushroom-to-brush transition of charged polymer chains. POLYMER 2006. [DOI: 10.1016/j.polymer.2006.02.091] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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43
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André X, Benmohamed K, Yakimansky AV, Litvinenko GI, Müller AHE. Anionic Polymerization and Block Copolymerization of N,N-Diethylacrylamide in the Presence of Triethylaluminum. Kinetic Investigation Using In-Line FT-NIR Spectroscopy. Macromolecules 2006. [DOI: 10.1021/ma051506a] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xavier André
- Makromolekulare Chemie II and Bayreuther Zentrum für Kolloide und Grenzflächen, Universität Bayreuth, D-95440 Bayreuth, Germany
| | - Khaled Benmohamed
- Makromolekulare Chemie II and Bayreuther Zentrum für Kolloide und Grenzflächen, Universität Bayreuth, D-95440 Bayreuth, Germany
| | - Alexander V. Yakimansky
- Makromolekulare Chemie II and Bayreuther Zentrum für Kolloide und Grenzflächen, Universität Bayreuth, D-95440 Bayreuth, Germany
| | - Galina I. Litvinenko
- Makromolekulare Chemie II and Bayreuther Zentrum für Kolloide und Grenzflächen, Universität Bayreuth, D-95440 Bayreuth, Germany
| | - Axel H. E. Müller
- Makromolekulare Chemie II and Bayreuther Zentrum für Kolloide und Grenzflächen, Universität Bayreuth, D-95440 Bayreuth, Germany
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44
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Pallandre A, de Lambert B, Attia R, Jonas AM, Viovy JL. Surface treatment and characterization: Perspectives to electrophoresis and lab-on-chips. Electrophoresis 2006; 27:584-610. [PMID: 16400705 DOI: 10.1002/elps.200500761] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The control and modification of surface state is a major challenge in bioanalytical sciences, and in particular in electrokinetic separation methods, due to the importance of electroosmosis. This topic has gained recently a renewed interest, associated with the development of "lab-on-chips" systems that extend the range of materials in which separation channels are fabricated. The surface science community has developed through the years a large toolbox of characterization tools and surface modification protocols, which is not yet fully exploited in the bioanalytical world. In this paper, we try and present an overview of these tools, in order to stimulate new ideas for improved and more controlled surface treatment strategies for separations in capillaries and microchannels. We briefly describe some physical and chemical aspects of electroosmosis (global and spatially resolved), streaming current, and streaming potential. We also review the main strategies for surface coating, and compare the advantages of physisorption, well-organized thin self-assembled monolayers, or conversely thick polymer "brushes". Examples of existing applications to electrophoresis in microchannel are also given.
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Affiliation(s)
- Antoine Pallandre
- Laboratoire de Physico-Chimie, Institut Curie, UMR 168 du CNRS, Paris, France
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45
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Liu T, Jia S, Kowalewski T, Matyjaszewski K, Casado-Portilla R, Belmont J. Water-Dispersible Carbon Black Nanocomposites Prepared by Surface-Initiated Atom Transfer Radical Polymerization in Protic Media. Macromolecules 2005. [DOI: 10.1021/ma051659y] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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46
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Brush-type amphiphilic polystyrene-g-poly(2-(dimethylamino)ethyl methacrylate)) copolymers from ATRP and their self-assembly in selective solvents. POLYMER 2005. [DOI: 10.1016/j.polymer.2005.06.030] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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