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Preparation and anticancer activity evaluation of self-assembled paclitaxel conjugated MPEG-PCL micelles on 4T1 cells. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2018.11.048] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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2
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Nandan B, Horechyy A. Hairy Core-Shell Polymer Nano-objects from Self-Assembled Block Copolymer Structures. ACS APPLIED MATERIALS & INTERFACES 2015; 7:12539-12558. [PMID: 25603397 DOI: 10.1021/am5075503] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Fabrication of core-shell polymer nano-objects with well-defined shape and hairy shell has been a subject of immense interest in polymer chemistry for more than two decades now. Different approaches such as those involving synthesis (grafting approaches) and block copolymer self-assembly (solution as well as bulk) have been used for the preparation of such nano-objects. Of these approaches that involving bulk self-assembled structures of block copolymers have been of special interest because of the simplicity and range of shape and structures possible. The present review focuses on the advances which have been made in this direction using diblock and triblock self-assembled structures. It will be shown that this approach allows to fabricate hairy nano-objects of not only simple shapes such as spheres, rods, and sheets but also those with more complex shape and morphology such as multicompartment micelles, which are not possible to obtain with synthetic or solution self-assembly approaches. Furthermore, interesting structures such as Janus nano-objects could also be fabricated using this approach. The review further highlights the use of such nano-objects for templating applications.
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Affiliation(s)
- Bhanu Nandan
- †Department of Textile Technology, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Andriy Horechyy
- ‡Leibniz Institute of Polymer Research Dresden, Hohe Strasse 6, Dresden 01069, Germany
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3
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Ian W, Guojun L. Self-assembly and chemical processing of block copolymers: a roadmap towards a diverse array of block copolymer nanostructures. SCIENCE CHINA. LIFE SCIENCES 2013. [PMID: 23740360 DOI: 10.1007/s11427-013-4499-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2013] [Accepted: 05/27/2013] [Indexed: 11/28/2022]
Abstract
Block copolymers can yield a diverse array of nanostructures. Their assembly structures are influenced by their inherent structures, and the wide variety of structures that can be prepared especially becomes apparent when one considers the number of routes available to prepare block copolymer assemblies. Some examples include self-assembly, directed assembly, coupling, as well as hierarchical assembly, which can yield assemblies having even higher structural order. These assembly routes can also be complemented by processing techniques such as selective crosslinking and etching, the former technique leading to permanent structures, the latter towards sculpted and the combination of the two towards permanent sculpted structures. The combination of these pathways provides extremely versatile routes towards an exciting variety of architectures. This review will attempt to highlight destinations reached by LIU Guojun and coworkers following these pathways.
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Affiliation(s)
- Wyman Ian
- Department of Chemistry, Queen's University, 90 Bader Lane, Kingston, Ontario, K7L 3N6, Canada
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4
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Wyman I, Liu G. Self-assembly and chemical processing of block copolymers: A roadmap towards a diverse array of block copolymer nanostructures. Sci China Chem 2013. [DOI: 10.1007/s11426-013-4951-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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6
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Schäferling M. The Art of Fluorescence Imaging with Chemical Sensors. Angew Chem Int Ed Engl 2012; 51:3532-54. [PMID: 22422626 DOI: 10.1002/anie.201105459] [Citation(s) in RCA: 544] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2011] [Revised: 10/12/2011] [Indexed: 11/08/2022]
Affiliation(s)
- Michael Schäferling
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany.
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7
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Affiliation(s)
- Yongming Chen
- Laboratory of Polymer Physics
and Chemistry, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100190, China
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8
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Zhou Z, Liu G, Hong L. Water-Dispersible Superparamagnetic Microspheres Adorned with Two Types of Surface Chains. Biomacromolecules 2011; 12:813-23. [DOI: 10.1021/bm101432e] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Zhihan Zhou
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7P 3E5
| | - Guojun Liu
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7P 3E5
| | - Liangzhi Hong
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7P 3E5
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9
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Liu Z, Hu J, Sun J, Liu G. Effect of water addition on the coupling of homopolymers by click chemistry. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/pola.24286] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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10
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Martinez-Castro N, Zhou Z, Liu G. Preparation and properties of poly(ethylene glycol)-block-poly(acrylic acid)-coated cobalt nanocrystals. POLYMER 2010. [DOI: 10.1016/j.polymer.2010.04.036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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11
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Dou H, Hong L, Liu G. Miktoarm Star Copolymers from the Chemical Stitching of Associating Block Copolymers. Macromolecules 2010. [DOI: 10.1021/ma100511e] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hongjing Dou
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
| | - Liangzhi Hong
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
| | - Guojun Liu
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
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12
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Njikang G, Han D, Wang J, Liu G. ABC Triblock Copolymer Micelle-Like Aggregates in Selective Solvents for A and C. Macromolecules 2008. [DOI: 10.1021/ma801882r] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Gabriel Njikang
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
| | - Dehui Han
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
| | - Jian Wang
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
| | - Guojun Liu
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6
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Koh K, Liu G, Willson CG. Grafting and Patterned Grafting of Block Copolymer Nanotubes onto Inorganic Substrates. J Am Chem Soc 2006; 128:15921-7. [PMID: 17147405 DOI: 10.1021/ja066684d] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Chemical patterning of inorganic substrates by soft lithography has enabled various high-tech applications and cutting-edge fundamental research. In this paper, we report on methods for the grafting and patterned grafting of block copolymer nanotubes onto glass and mica surfaces. Under optimized conditions the density of such grafted nanotubes can be high, and most of the grafted tubes are in a standing position even after solvent evaporation. Surfaces modified with exotic reagents such as block copolymer nanofibers or nanotubes may find applications in biosensing, etc.
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Affiliation(s)
- Kyoungmoo Koh
- Department of Chemistry, Queen's University, Kingston, Ontario, Canada K7L 3N6
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Schäferling M, Nagl S. Optical technologies for the read out and quality control of DNA and protein microarrays. Anal Bioanal Chem 2006; 385:500-17. [PMID: 16609845 DOI: 10.1007/s00216-006-0317-5] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2005] [Revised: 11/02/2005] [Accepted: 01/13/2006] [Indexed: 10/24/2022]
Abstract
Microarray formats have become an important tool for parallel (or multiplexed) monitoring of biomolecular interactions. Surface-immobilized probes like oligonucleotides, cDNA, proteins, or antibodies can be used for the screening of their complementary targets, covering different applications like gene or protein expression profiling, analysis of point mutations, or immunodiagnostics. Numerous reviews have appeared on this topic in recent years, documenting the intriguing progress of these miniaturized assay formats. Most of them highlight all aspects of microarray preparation, surface chemistry, and patterning, and try to give a systematic survey of the different kinds of applications of this new technique. This review places the emphasis on optical technologies for microarray analysis. As the fluorescent read out of microarrays is dominating the field, this topic will be the focus of the review. Basic principles of labeling and signal amplification techniques will be introduced. Recent developments in total internal reflection fluorescence, resonance energy transfer assays, and time-resolved imaging are addressed, as well as non-fluorescent imaging methods. Finally, some label-free detection modes are discussed, such as surface plasmon microscopy or ellipsometry, since these are particularly interesting for microarray development and quality control purposes.
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Affiliation(s)
- Michael Schäferling
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93040 Regensburg, Germany.
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16
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Li Z, Ding J, Day M, Tao Y. Molecularly Imprinted Polymeric Nanospheres by Diblock Copolymer Self-Assembly. Macromolecules 2006. [DOI: 10.1021/ma0526793] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhao Li
- Institute for Chemical Process and Environmental Technology (ICPET) and Institute for Microstructural Sciences (IMS), National Research Council of Canada (NRC), 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Jianfu Ding
- Institute for Chemical Process and Environmental Technology (ICPET) and Institute for Microstructural Sciences (IMS), National Research Council of Canada (NRC), 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Michael Day
- Institute for Chemical Process and Environmental Technology (ICPET) and Institute for Microstructural Sciences (IMS), National Research Council of Canada (NRC), 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Ye Tao
- Institute for Chemical Process and Environmental Technology (ICPET) and Institute for Microstructural Sciences (IMS), National Research Council of Canada (NRC), 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
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Liu G, Yang H, Zhou J, Law SJ, Jiang Q, Yang G. Preparation of Magnetic Microspheres from Water-in-Oil Emulsion Stabilized by Block Copolymer Dispersant. Biomacromolecules 2005; 6:1280-8. [PMID: 15877343 DOI: 10.1021/bm049316f] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A new method for the preparation of magnetic microspheres is reported. The preparation involved first the dispersion of an aqueous phase, containing magnetite nanoparticles and a water-soluble homopolymer, into droplets in an organic medium using an amphiphilic block copolymer as the dispersant. This was followed by water distillation at a raised temperature from the aqueous droplets to yield polymer/magnetite particles. The structure of the particles was then locked in by a reagent being added to cross-link the water-soluble copolymer block and homopolymer. Since the hydrophobic block of the copolymer consisted of a protected polyester, the removal of the protective moieties from the coronal chains yielded poly(acrylic acid) or other functional polymers to render water dispersibility to the spheres and to enable biomolecule immobilization.
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Affiliation(s)
- Guojun Liu
- Department of Chemistry, Queen's University, 90 Queen's Crescent, Kingston, Ontario, Canada K7L 3N6.
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Cai Y, Armes SP. Synthesis of Well-Defined Y-Shaped Zwitterionic Block Copolymers via Atom-Transfer Radical Polymerization. Macromolecules 2004. [DOI: 10.1021/ma048511j] [Citation(s) in RCA: 94] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yuanli Cai
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire, S3 7HF, U.K. and Institute of Polymer Science, College of Chemistry, Xiangtan University, Xiangtan, Hunan, 411105, P. R. China
| | - Steven P. Armes
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire, S3 7HF, U.K. and Institute of Polymer Science, College of Chemistry, Xiangtan University, Xiangtan, Hunan, 411105, P. R. China
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Cai Y, Tang Y, Armes SP. Direct Synthesis and Stimulus-Responsive Micellization of Y-Shaped Hydrophilic Block Copolymers. Macromolecules 2004. [DOI: 10.1021/ma0487756] [Citation(s) in RCA: 113] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yuanli Cai
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire, S3 7HF, UK; Institute of Polymer Science, College of Chemistry, Xiangtan University, Xiangtan, Hunan, 411105, P. R. China; and Department of Chemistry, School of Life Sciences, Sussex University, Falmer, Brighton, BN1 9QJ, East Sussex, UK
| | - Yiqing Tang
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire, S3 7HF, UK; Institute of Polymer Science, College of Chemistry, Xiangtan University, Xiangtan, Hunan, 411105, P. R. China; and Department of Chemistry, School of Life Sciences, Sussex University, Falmer, Brighton, BN1 9QJ, East Sussex, UK
| | - Steven P. Armes
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire, S3 7HF, UK; Institute of Polymer Science, College of Chemistry, Xiangtan University, Xiangtan, Hunan, 411105, P. R. China; and Department of Chemistry, School of Life Sciences, Sussex University, Falmer, Brighton, BN1 9QJ, East Sussex, UK
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20
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Bories-Azeau X, Mérian T, Weaver JVM, Armes SP, van den Haak HJW. Synthesis of Near-Monodisperse Acidic Homopolymers and Block Copolymers from Hydroxylated Methacrylic Copolymers Using Succinic Anhydride under Mild Conditions. Macromolecules 2004. [DOI: 10.1021/ma048726t] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xavier Bories-Azeau
- Department of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, United Kingdom
| | - Tiphaine Mérian
- Department of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, United Kingdom
| | - Jonathan V. M. Weaver
- Department of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, United Kingdom
| | - Steven P. Armes
- Department of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton BN1 9QJ, United Kingdom
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21
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Qiu X, Liu G. Water-dispersible fluorescent nanospheres from poly(solketal acrylate)-block-poly(2-hydroxyethyl acrylate). POLYMER 2004. [DOI: 10.1016/j.polymer.2004.08.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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22
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Cai Y, Armes SP. A Zwitterionic ABC Triblock Copolymer That Forms a “Trinity” of Micellar Aggregates in Aqueous Solution. Macromolecules 2004. [DOI: 10.1021/ma048789b] [Citation(s) in RCA: 107] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yuanli Cai
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, UK
| | - Steven P. Armes
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, UK
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Bories-Azeau X, Armes SP, van den Haak HJW. Facile Synthesis of Zwitterionic Diblock Copolymers without Protecting Group Chemistry. Macromolecules 2004. [DOI: 10.1021/ma035904u] [Citation(s) in RCA: 80] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xavier Bories-Azeau
- Department of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9QJ, UK
| | - Steven P. Armes
- Department of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9QJ, UK
| | - Henk J. W. van den Haak
- Department of Chemistry, School of Life Sciences, University of Sussex, Falmer, Brighton, BN1 9QJ, UK
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Liu G, Yan X, Li Z, Zhou J, Duncan S. End Coupling of Block Copolymer Nanotubes to Nanospheres. J Am Chem Soc 2003; 125:14039-45. [PMID: 14611240 DOI: 10.1021/ja034847h] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Triblock copolymer nanotubes bearing end-exposed poly(acrylic acid) or PAA core chains were prepared. The exposed PAA chains were reacted by amidization with a large excess of polystyrene spacer chains possessing amino end groups or amino-containing end blocks to graft the spacer chains. The amino groups at the other end of the spacer chains were then reacted with nanospheres bearing surface carboxyl groups to connect the nanotubes to nanospheres. The products from such a coupling reaction ranged from multiarm adduct to surfactant- and dumbbell-like objects. Product control using different strategies was explored. The products may have interesting properties and applications.
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Affiliation(s)
- Guojun Liu
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4.
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Hoppenbrouwers E, Li Z, Liu G. Triblock Nanospheres with Amphiphilic Coronal Chains. Macromolecules 2003. [DOI: 10.1021/ma021535a] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ernst Hoppenbrouwers
- Department of Chemistry, University of Calgary, 2500 University Dr., NW, Calgary, Alberta, Canada T2N 1N4
| | - Zhao Li
- Department of Chemistry, University of Calgary, 2500 University Dr., NW, Calgary, Alberta, Canada T2N 1N4
| | - Guojun Liu
- Department of Chemistry, University of Calgary, 2500 University Dr., NW, Calgary, Alberta, Canada T2N 1N4
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26
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Literature Alerts. J Microencapsul 2003. [DOI: 10.3109/02652040309178068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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