1
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Ju G, Liu X, Li R, Li M, Qin Z, Yin X. Temperature-controlled release of curcumin from thermosensitive PVA/CurM nanofibrous membranes with antibacterial activity. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04912-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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2
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Sun J, Li Z. Polyion Complexes via Electrostatic Interaction of Oppositely Charged Block Copolymers. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c02031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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3
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Zhao D, Ma Y, Wang E, Lodge TP. Micellization of Binary Diblock Co-polymer Mixtures in an Ionic Liquid. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00613] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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4
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Wang Y, Han G, Duan W, Zhang W. ICAR ATRP in PEG with Low Concentration of Cu(II) Catalyst: A Versatile Method for Synthesis of Block Copolymer Nanoassemblies under Dispersion Polymerization. Macromol Rapid Commun 2018; 40:e1800140. [DOI: 10.1002/marc.201800140] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 03/17/2018] [Indexed: 01/01/2023]
Affiliation(s)
- Yixin Wang
- Key Laboratory of Functional Polymer Materials of the Ministry of Education; Institute of Polymer Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Nankai University; Tianjin 300071 China
| | - Guang Han
- State Key Laboratory of Special Functional Waterproof Materials; Beijing Oriental Yuhong Waterproof Technology Co., Ltd; Beijing 100123 China
| | - Wenfeng Duan
- State Key Laboratory of Special Functional Waterproof Materials; Beijing Oriental Yuhong Waterproof Technology Co., Ltd; Beijing 100123 China
| | - Wangqing Zhang
- Key Laboratory of Functional Polymer Materials of the Ministry of Education; Institute of Polymer Chemistry; College of Chemistry; Nankai University; Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Nankai University; Tianjin 300071 China
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5
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CO2
-Induced Morphological Transition of Co-Assemblies from Block-Random Segmented Polymers. Macromol Rapid Commun 2017; 38. [DOI: 10.1002/marc.201700437] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 07/31/2017] [Indexed: 11/07/2022]
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6
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Wang Y, Sukhishvili SA. Hydrogen-bonded polymer complexes and nanocages of weak polyacids templated by a Pluronic® block copolymer. SOFT MATTER 2016; 12:8744-8754. [PMID: 27722711 DOI: 10.1039/c6sm01869f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We investigate the phase behavior, morphology, and temperature response of hydrogen-bonded assemblies formed by a triblock copolymer Pluronic® F127 (F127) and polycarboxylic acids of varied hydrophobicity and chain lengths. As confirmed by FTIR, the complexes of poly(acrylic acid) (PAA) and poly(methacrylic acid) (PMAA) with F127 at acidic pH were stabilized by multiple hydrogen bonding between carboxylic acid groups of polyacids and ether groups of F127. The colloidal stability of the polyacid/F127 complexes (their occurrence as stable dispersions, slowly coagulating dispersions or precipitates) was dependent on the composition of complexes, polyacid molecular weight and hydrophobicity, as well as temperature. For both polyacids, complexes could not be solubilized in excess of polyacids, but excess of F127 resulted in the formation of colloidally stable nanostructured clusters whose size could be controlled from tens to hundreds of nanometers by the polyacid-to-F127 ratio, temperature, and the polyacid molecular weight. Hydrophobicity of polyacids had a dramatic effect on the temperature response of Pluronic®-enriched assemblies. While PMAA suppressed the LCST behavior of F127 due to binding within the temperature-responsive PPO core of F127, more hydrophilic PAA allowed F127 micellization and supported reversible, temperature-induced re-structuring of PAA-F127 clusters. At temperatures above the LCST of Pluronic®, low-molecular-weight PAA formed nanosized dispersed complexes, in which the polyacid chains were wrapped around individual F127 micelles. Chemical crosslinking of PAA in the shells of these complexes followed by removal of the templating F127 cores resulted in easy-to-prepare monodisperse pH-responsive polymer nanocages with controllable size and swelling amplitude.
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Affiliation(s)
- Yuhao Wang
- Department of Biomedical Engineering, Chemistry and Biological Sciences, Stevens Institute of Technology, 507 River Street, Hoboken, New Jersey 07030, USA
| | - Svetlana A Sukhishvili
- Department of Materials Science and Engineering, Texas A&M University, 575 Ross St., College Station, TX 77843, USA.
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El Asmar A, Gimello O, Morandi G, Le Cerf D, Lapinte V, Burel F. Tuning the Thermo-Sensitivity of Micellar Systems through a Blending Approach. Macromolecules 2016. [DOI: 10.1021/acs.macromol.6b00455] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Arlette El Asmar
- Normandie Université, INSA Rouen, Université Rouen, CNRS, PBS, 76000 Rouen, France
| | - Olinda Gimello
- Institut
Charles Gerhardt Montpellier UMR5253 CNRS-UM-ENSCM, Equipe Ingénierie
et Architectures Macromoléculaires, Université Montpellier, Bâtiment 17−cc1702, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - Gaëlle Morandi
- Normandie Université, INSA Rouen, Université Rouen, CNRS, PBS, 76000 Rouen, France
| | - Didier Le Cerf
- Normandie Université, INSA Rouen, Université Rouen, CNRS, PBS, 76000 Rouen, France
| | - Vincent Lapinte
- Institut
Charles Gerhardt Montpellier UMR5253 CNRS-UM-ENSCM, Equipe Ingénierie
et Architectures Macromoléculaires, Université Montpellier, Bâtiment 17−cc1702, Place Eugène Bataillon, F-34095 Montpellier cedex 5, France
| | - Fabrice Burel
- Normandie Université, INSA Rouen, Université Rouen, CNRS, PBS, 76000 Rouen, France
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8
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Thermo-sensitive complex micelles from sodium alginate- graft -poly( N -isopropylacrylamide) for drug release. Int J Biol Macromol 2016; 86:296-301. [DOI: 10.1016/j.ijbiomac.2016.01.066] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 01/18/2016] [Accepted: 01/20/2016] [Indexed: 11/22/2022]
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9
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Ma R, Shi L. Design of Complex Micelles for Drug Delivery. FUNCTIONAL POLYMERS FOR NANOMEDICINE 2013. [DOI: 10.1039/9781849737388-00207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
| | - Linqi Shi
- Key Laboratory of Functional Polymer Materials, Ministry of Education, and Institute of Polymer Chemistry, Nankai UniversityTianjin 300071P. R.
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10
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Guo W, Wang Q, Wang G, Yang M, Dong W, Yu J. Facile Hydrogen-Bond-Assisted Polymerization and Immobilization Method to Synthesize Hierarchical Fe3O4@Poly(4-vinylpyridine-co-divinylbenzene)@Au Nanostructures and Their Catalytic Applications. Chem Asian J 2013; 8:1160-7. [DOI: 10.1002/asia.201201186] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2012] [Revised: 01/25/2013] [Indexed: 12/21/2022]
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11
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Xu J, Wang X, Zhang Y, Zhang W, Sun P. RAFT-mediated batch emulsion polymerization of styrene using poly[N-(4-vinylbenzyl)-N,N-dibutylamine hydrochloride] trithiocarbonate as both surfactant and macro-RAFT agent. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26025] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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12
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Cai G, Zhang H, Liu P, Wang L, Jiang H. Triggered disassembly of hierarchically assembled onion-like micelles into the pristine core-shell micelles via a small change in pH. Acta Biomater 2011; 7:3729-37. [PMID: 21742068 DOI: 10.1016/j.actbio.2011.06.027] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 06/21/2011] [Accepted: 06/21/2011] [Indexed: 12/20/2022]
Abstract
The size and surface property of nanomaterial-based delivery systems administered intravenously play important roles in their cell uptake and in vivo distribution. Both of them should be capable of self-evolution in order to achieve efficient targeting performance. A facile strategy was proposed to manipulate both the size and surface property of polymeric micelles. It was found that the hierarchical assembly between trimethylated chitosan-g-poly(ε-caprolactone) (TMC-PCL) micelles and carboxyethyl chitosan-g-poly(ethylene glycol) (CEC-PEG) could produce onion-like micelles with enlarged size and PEGylated surface. The onion-like micelles could withstand the ionic strength of plasma and competitive exchange with BSA, and abruptly disassemble into the pristine TMC-PCL micelles via a small change in pH. By varying the degree of carboxyethylation, the disassembly pH could be modulated to the range of the tumoral microclimate pH. In contrast with TMC-PCL micelles, which displayed high cytotoxicity and endocytic ability towards C6 glioma cells, the onion-like micelles were cell-friendly and internalized by the cells at a very low level. Doxorubicin was used as a model chemotherapeutic agent and incorporated within TMC-PCL micelles. Dox release from both TMC-PCL micelles and the onion-like micelles was very slow under normal physiological conditions and displayed excellent pH sensitivity. Cell viability of Dox-loaded micelles was also investigated.
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Ebrahim Attia AB, Ong ZY, Hedrick JL, Lee PP, Ee PLR, Hammond PT, Yang YY. Mixed micelles self-assembled from block copolymers for drug delivery. Curr Opin Colloid Interface Sci 2011. [DOI: 10.1016/j.cocis.2010.10.003] [Citation(s) in RCA: 240] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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14
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Hu A, Cui Y, Wei X, Lu Z, Ngai T. Hydrogen-bonding-induced complexation of polydimethylsiloxane-graft-poly(ethylene oxide) and poly(acrylic acid)-block-polyacrylonitrile micelles in water. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:14502-14508. [PMID: 20722378 DOI: 10.1021/la102539v] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Polydimethylsiloxane-graft-poly(ethylene oxide) (PDMS-g-PEO) copolymers form micelles in water with PDMS as the core and PEO as the corona. The introduction of poly(acrylic acid)-block-polyacrylonitrile (PAA-b-PAN) block copolymers in water leads to the formation of micellar complexes due to the hydrogen bonding between carboxyl groups and ether oxygens among the PAA and PEO chains in the corona of the micelles. The effects of pH, molar ratios (r) of PAA/PEO, and the standing time on the directly mixing these two micelles in water have been investigated using laser light scattering (LLS) and transmission electron microscopy (TEM). Our results showed that the complexation between PAA and PEO in the corona was greatly enhanced at a pH below 3.5. For a fixed pH value, the interactions between these two micelles in water were governed by the value of r. At r < ∼0.6, mixing the two micelles in water resulted in a large floccule because the smaller PAA-b-PAN micelles act as physical cross-links, which are absorbed onto one PDMS-g-PEO micelle and simultaneously bonded to PEO chains on the other micelles, forming bridges and causing flocculation. At ∼0.6 < r < ∼1.2, the mixing led to stable micellar complexes with a layer of PAA-b-PAN micelles absorbed onto the initial PDMS-g-PEO micelles. At r > ∼1.2, the resultant micellar complexes first remained stable, but they precipitated from solution after a long time standing.
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Affiliation(s)
- Aijuan Hu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
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Voets IK, Leermakers FA, de Keizer A, Charlaganov M, Stuart MAC. Co-assembly Towards Janus Micelles. SELF ORGANIZED NANOSTRUCTURES OF AMPHIPHILIC BLOCK COPOLYMERS I 2010. [DOI: 10.1007/12_2010_100] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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16
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Lin HC, Jiang MD, Wu SC, Jou LL, Chou KP, Huang CM, Wei KH. Self-assembly of H-bonded side-chain and cross-linking copolymers containing diblock-copolymeric donors and single/double H-bonded light-emitting acceptors. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/pola.23521] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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17
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Atorngitjawat P, Klein RJ, McDermott AG, Masser KA, Painter PC, Runt J. Dynamics of concentrated solutions of low molecular weight phenolics and poly(2-vinylpyridine): Role of intermolecular hydrogen bonding. POLYMER 2009. [DOI: 10.1016/j.polymer.2009.02.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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Kuo SW. Hydrogen bond-mediated self-assembly and supramolecular structures of diblock copolymer mixtures. POLYM INT 2009. [DOI: 10.1002/pi.2513] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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19
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Chen S, Wang Y, Fan Y, Ma J. Synthesis of amphiphilic poly(tetraethylene glycol succinate) and the thermosensitivity of its aggregation in water. J Biomed Mater Res A 2009; 88:769-77. [PMID: 18357563 DOI: 10.1002/jbm.a.31909] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Amphiphilic biodegradable polyester, poly(tetraethylene glycol succinate) (PTEGSuc), was synthesized via melt polycondensation of tetraethylene glycol and succinic acid on catalysis of p-toluenesulfonic acid. It was observed that PTEGSuc could self-assemble into micelles in water. In addition, thermosensitivity of PTEGSuc aggregation in water was first found in the experiment, and the critical aggregation temperatures could be controlled by solution concentration. Transmission electron microscopy was used to investigate the micellar morphologies of PTEGSuc in different solvents. It was found that particle shape is almost round although the micellar morphology is different depending on the solvent used. Based on the perfect properties, especially in micelle formation and thermosensitivity, PTEGSuc is promising in biomedical field as carrier of drug delivery system, scaffold of tissue engineering, and other medical devices.
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Affiliation(s)
- Shusen Chen
- Key Laboratory of Functional Polymer Materials (Ministry of Education), Institute of Polymer Chemistry, Department of Chemistry, Nankai University, Tianjin 300071, China
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20
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Voets IK, de Keizer A, Cohen Stuart MA. Complex coacervate core micelles. Adv Colloid Interface Sci 2009; 147-148:300-18. [PMID: 19038373 DOI: 10.1016/j.cis.2008.09.012] [Citation(s) in RCA: 308] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2008] [Revised: 09/15/2008] [Accepted: 09/29/2008] [Indexed: 10/21/2022]
Abstract
In this review we present an overview of the literature on the co-assembly of neutral-ionic block, graft, and random copolymers with oppositely charged species in aqueous solution. Oppositely charged species include synthetic (co)polymers of various architectures, biopolymers - such as proteins, enzymes and DNA - multivalent ions, metallic nanoparticles, low molecular weight surfactants, polyelectrolyte block copolymer micelles, metallo-supramolecular polymers, equilibrium polymers, etcetera. The resultant structures are termed complex coacervate core/polyion complex/block ionomer complex/interpolyelectrolyte complex micelles (or vesicles); i.e., in short C3Ms (or C3Vs) and PIC, BIC or IPEC micelles (and vesicles). Formation, structure, dynamics, properties, and function will be discussed. We focus on experimental work; theory and modelling will not be discussed. Recent developments in applications and micelles with heterogeneous coronas are emphasized.
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Li G, Guo L, Ma S, Liu J. Complex micelles formed from two diblock copolymers for applications in controlled drug release. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/pola.23274] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Guiying Li
- College of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Lei Guo
- College of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Songmei Ma
- College of Chemistry and Materials Science, Ludong University, Yantai 264025, China
| | - Junshen Liu
- College of Chemistry and Materials Science, Ludong University, Yantai 264025, China
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22
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SYNTHESIS AND MICROPHASE SEPARATION OFPOLY (TETRAETHYLENE GLYCOL SUBERATE). ACTA POLYM SIN 2008. [DOI: 10.3724/sp.j.1105.2008.00867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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23
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Voets IK, Moll PM, Aqil A, Jérôme C, Detrembleur C, Waard PD, Keizer AD, Stuart MAC. Temperature Responsive Complex Coacervate Core Micelles With a PEO and PNIPAAm Corona. J Phys Chem B 2008; 112:10833-40. [DOI: 10.1021/jp8014832] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ilja K. Voets
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands, Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman B6a, 4000 Liège, Belgium, and Wageningen NMR Centre, Wageningen University, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands
| | - Puck M. Moll
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands, Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman B6a, 4000 Liège, Belgium, and Wageningen NMR Centre, Wageningen University, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands
| | - Abdelhafid Aqil
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands, Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman B6a, 4000 Liège, Belgium, and Wageningen NMR Centre, Wageningen University, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands
| | - Christine Jérôme
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands, Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman B6a, 4000 Liège, Belgium, and Wageningen NMR Centre, Wageningen University, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands
| | - Christophe Detrembleur
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands, Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman B6a, 4000 Liège, Belgium, and Wageningen NMR Centre, Wageningen University, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands
| | - Pieter de Waard
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands, Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman B6a, 4000 Liège, Belgium, and Wageningen NMR Centre, Wageningen University, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands
| | - Arie de Keizer
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands, Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman B6a, 4000 Liège, Belgium, and Wageningen NMR Centre, Wageningen University, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands
| | - Martien A. Cohen Stuart
- Laboratory of Physical Chemistry and Colloid Science, Wageningen University, Dreijenplein 6, 6703 HB Wageningen, The Netherlands, Center for Education and Research on Macromolecules (CERM), University of Liège, Sart-Tilman B6a, 4000 Liège, Belgium, and Wageningen NMR Centre, Wageningen University, Dreijenlaan 3, 6703 HA Wageningen, The Netherlands
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Adams DJ, Rogers SH, Schuetz P. The effect of PEO block lengths on the size and stability of complex coacervate core micelles. J Colloid Interface Sci 2008; 322:448-56. [DOI: 10.1016/j.jcis.2008.03.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2008] [Revised: 03/05/2008] [Accepted: 03/06/2008] [Indexed: 10/22/2022]
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25
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Xiong D, He Z, An Y, Li Z, Wang H, Chen X, Shi L. Temperature-responsive multilayered micelles formed from the complexation of PNIPAM-b-P4VP block-copolymer and PS-b-PAA core–shell micelles. POLYMER 2008. [DOI: 10.1016/j.polymer.2008.03.052] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Adsorption of poly(N-isopropylacrylamide-co-4-vinylpyridine) onto core–shell poly(styrene-co-methylacrylic acid) microspheres. Eur Polym J 2008. [DOI: 10.1016/j.eurpolymj.2008.01.029] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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27
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Kuo SW, Tung PH, Lai CL, Jeong KU, Chang FC. Supramolecular Micellization of Diblock Copolymer Mixtures Mediated by Hydrogen Bonding for the Observation of Separated Coil and Chain Aggregation in Common Solvents. Macromol Rapid Commun 2007. [DOI: 10.1002/marc.200700697] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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28
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Chen X, Liu Y, An Y, Lü J, Li J, Xiong D, Shi L. Novel Structured Composites Formed from Gold Nanoparticles and Diblock Copolymers. Macromol Rapid Commun 2007. [DOI: 10.1002/marc.200700166] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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29
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Ma R, Wang B, Xu Y, An Y, Zhang W, Li G, Shi L. Surface Phase Separation and Morphology of Stimuli Responsive Complex Micelles. Macromol Rapid Commun 2007. [DOI: 10.1002/marc.200600843] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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30
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Matejícek P, Uchman M, Lokajova J, Stepanek M, Prochazka K, Spírkova M. Interpolymer Complexes Based on the Core/Shell Micelles. Interaction of Polystyrene-block-poly(methacrylic acid) Micelles with Linear Poly(2-vinylpyridine) in 1,4-Dioxane Water Mixtures and in Aqueous Media. J Phys Chem B 2007; 111:8394-401. [PMID: 17417898 DOI: 10.1021/jp0685075] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The size and structural changes of nanoparticles formed after the addition of poly(2-vinylpyridine), PVP, to block copolymer micelles of polystyrene-block-poly(methacrylic acid), PS-PMA, were studied by light scattering and atomic force microscopy. Due to the strong hydrogen bonding between PVP and PMA segments, complex structures based on the core/shell micelles form in mixed selective solvents. As proven by a combination of light scattering and atomic force microscopy, individual PS-PMA micelles are "glued" together by PVP chains. The dialysis against solvents with a high content of water results in transient increase in polydispersity and turbidity of originally clear solutions. However, the precipitated polymer material dissolves in basic buffers and stable soluble nanoparticles reform in aqueous media. The behavior of their solutions was studied in a broad pH range by light scattering, atomic force microscopy and capillary zone electrophoresis.
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Affiliation(s)
- Pavel Matejícek
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Albertov 2030, 128 40 Prague 2, Czech Republic
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31
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Thermoresponsive core–shell–corona micelles of poly(ethyleneglycol)-b-poly(N-isopropylacrylamide)-b-polystyrene. POLYMER 2006. [DOI: 10.1016/j.polymer.2006.09.053] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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