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Pashley-Johnson F, Munaweera R, Hossain SI, Gauci SC, Delafresnaye L, Frisch H, O'Mara ML, Du Prez FE, Barner-Kowollik C. How molecular architecture defines quantum yields. Nat Commun 2024; 15:6033. [PMID: 39019945 PMCID: PMC11255304 DOI: 10.1038/s41467-024-50366-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Accepted: 07/09/2024] [Indexed: 07/19/2024] Open
Abstract
Understanding the intricate relationship between molecular architecture and function underpins most challenges at the forefront of chemical innovation. Bond-forming reactions are particularly influenced by the topology of a chemical structure, both on small molecule scale and in larger macromolecular frameworks. Herein, we elucidate the impact that molecular architecture has on the photo-induced cyclisations of a series of monodisperse macromolecules with defined spacers between photodimerisable moieties, and examine the relationship between propensity for intramolecular cyclisation and intermolecular network formation. We demonstrate a goldilocks zone of maximum reactivity between the sterically hindered and entropically limited regimes with a quantum yield of intramolecular cyclisation that is nearly an order of magnitude higher than the lowest value. As a result of the molecular design of trifunctional macromolecules, their quantum yields can be deconvoluted into the formation of two different cyclic isomers, as rationalised with molecular dynamics simulations. Critically, we visualise our solution-based studies with light-based additive manufacturing. We formulate four photoresists for microprinting, revealing that the precise positioning of functional groups is critical for resist performance, with lower intramolecular quantum yields leading to higher-quality printing in most cases.
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Affiliation(s)
- Fred Pashley-Johnson
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Polymer Chemistry Research Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281-S4, Ghent, 9000, Belgium
| | - Rangika Munaweera
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Building 75, Cnr College Rd & Cooper Road, 4072, St Lucia, QLD, Australia
| | - Sheikh I Hossain
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Building 75, Cnr College Rd & Cooper Road, 4072, St Lucia, QLD, Australia
| | - Steven C Gauci
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Laura Delafresnaye
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
| | - Hendrik Frisch
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia
| | - Megan L O'Mara
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Building 75, Cnr College Rd & Cooper Road, 4072, St Lucia, QLD, Australia.
| | - Filip E Du Prez
- Polymer Chemistry Research Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281-S4, Ghent, 9000, Belgium.
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia.
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, 4000, Brisbane, QLD, Australia.
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany.
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2
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Mallick T, Jana D, Bisai A, De P. Asymmetric Aldol Reactions Catalyzed by Polymeric Self-Assembly with Side-Chain Dipeptide Pendants. ACS Macro Lett 2024; 13:651-657. [PMID: 38722312 DOI: 10.1021/acsmacrolett.4c00185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
To explore the role of proline amide moieties in polymer-supported organocatalysts, side-chain l-proline-l-alanine (Pro-Ala) dipeptide-containing block copolymers were synthesized, and their catalytic potential for the aldol reaction was explored. The dipeptide monomer (Boc-Pro-Ala-HEMA) was polymerized to prepare block copolymers in the presence of hydrophilic poly(poly(ethylene glycol) methyl ether methacrylate) (PPEGMA) and hydrophobic poly(methyl methacrylate) (PMMA) macro-chain transfer agents. Boc group expulsion from the block copolymers produced double hydrophilic PPEGMA-b-P(Pro-Ala-HEMA) (1b) and amphiphilic PMMA-b-P(Pro-Ala-HEMA) (1c) polymers. The solution behaviors of the polymers were studied by various physical techniques, which showed the formation of self-assembled aggregates of 1c in water and N,N-dimethylformamide (DMF)/water solvent mixtures. These polymers are used as organocatalysts during the aldol reaction of cyclohexanone and 4-nitrobenzaldehyde in different solvent polarities, catalyst loadings, temperatures, and reaction times. This work emphasizes superior catalytic activity of 1c at lower catalyst loadings (5%) while maintaining high conversion (95%) and enantioselectivity (94%) across multiple recycling cycles in DMF/water at a 3:1 ratio (v/v).
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Affiliation(s)
- Tamanna Mallick
- Polymer Research Centre and Centre for Advanced Functional Materials, Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia, 741246 West Bengal, India
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia, 741246 West Bengal, India
| | - Debgopal Jana
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia, 741246 West Bengal, India
| | - Alakesh Bisai
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia, 741246 West Bengal, India
| | - Priyadarsi De
- Polymer Research Centre and Centre for Advanced Functional Materials, Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia, 741246 West Bengal, India
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, Nadia, 741246 West Bengal, India
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3
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Gupta S, Lodge TP. Effect of Changing Interfacial Tension on Fragmentation Kinetics of Block Copolymer Micelles. Macromolecules 2023. [DOI: 10.1021/acs.macromol.2c02158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Affiliation(s)
- Supriya Gupta
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
| | - Timothy P. Lodge
- Department of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
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4
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Lodge TP, Seitzinger CL, Seeger SC, Yang S, Gupta S, Dorfman KD. Dynamics and Equilibration Mechanisms in Block Copolymer Particles. ACS POLYMERS AU 2022; 2:397-416. [PMID: 36536887 PMCID: PMC9756915 DOI: 10.1021/acspolymersau.2c00033] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 08/10/2022] [Accepted: 08/10/2022] [Indexed: 06/17/2023]
Abstract
Self-assembly of block copolymers into interesting and useful nanostructures, in both solution and bulk, is a vibrant research arena. While much attention has been paid to characterization and prediction of equilibrium phases, the associated dynamic processes are far from fully understood. Here, we explore what is known and not known about the equilibration of particle phases in the bulk, and spherical micelles in solution. The presumed primary equilibration mechanisms are chain exchange, fusion, and fragmentation. These processes have been extensively studied in surfactants and lipids, where they occur on subsecond time scales. In contrast, increased chain lengths in block copolymers create much larger barriers, and time scales can become prohibitively slow. In practice, equilibration of block copolymers is achievable only in proximity to the critical micelle temperature (in solution) or the order-disorder transition (in the bulk). Detailed theories for these processes in block copolymers are few. In the bulk, the rate of chain exchange can be quantified by tracer diffusion measurements. Often the rate of equilibration, in terms of number density and aggregation number of particles, is much slower than chain exchange, and consequently observed particle phases are often metastable. This is particularly true in regions of the phase diagram where Frank-Kasper phases occur. Chain exchange in solution has been explored quantitatively by time-resolved SANS, but the results are not well captured by theory. Computer simulations, particularly via dissipative particle dynamics, are beginning to shed light on the chain escape mechanism at the molecular level. The rate of fragmentation has been quantified in a few experimental systems, and TEM images support a mechanism akin to the anaphase stage of mitosis in cells, via a thin neck that pinches off to produce two smaller micelles. Direct measurements of micelle fusion are quite rare. Suggestions for future theoretical, computational, and experimental efforts are offered.
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Affiliation(s)
- Timothy P. Lodge
- Department
of Chemistry, University of Minnesota 207 Pleasant St SE, Minneapolis, Minnesota 55455, United States
- Department
of Chemical Engineering & Materials Science, University of Minnesota 451 Washington Ave SE, Minneapolis, Minnesota 55455, United States
| | - Claire L. Seitzinger
- Department
of Chemistry, University of Minnesota 207 Pleasant St SE, Minneapolis, Minnesota 55455, United States
| | - Sarah C. Seeger
- Department
of Chemical Engineering & Materials Science, University of Minnesota 451 Washington Ave SE, Minneapolis, Minnesota 55455, United States
| | - Sanghee Yang
- Department
of Chemistry, University of Minnesota 207 Pleasant St SE, Minneapolis, Minnesota 55455, United States
| | - Supriya Gupta
- Department
of Chemistry, University of Minnesota 207 Pleasant St SE, Minneapolis, Minnesota 55455, United States
| | - Kevin D. Dorfman
- Department
of Chemical Engineering & Materials Science, University of Minnesota 451 Washington Ave SE, Minneapolis, Minnesota 55455, United States
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5
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Chen L, Maqbool T, Fu W, Yang Y, Hou C, Guo J, Zhang X. Highly efficient manganese (III) oxide submerged catalytic ceramic membrane for nonradical degradation of emerging organic compounds. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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6
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Infante Teixeira L, Landfester K, Thérien-Aubin H. Nanoconfinement in miniemulsion increases reaction rates of thiol–ene photopolymerization and yields high molecular weight polymers. Polym Chem 2022. [DOI: 10.1039/d2py00350c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Photoinitiated thiol–ene polymerization was performed in bulk and miniemulsion. We show that the compartmentalization of the reaction inside nanodroplets led to faster reaction kinetics and yielded polymers with higher molecular weight.
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Affiliation(s)
| | - Katharina Landfester
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Héloïse Thérien-Aubin
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Department of Chemistry, Memorial University of Newfoundland, St John's, Newfoundland and Labrador A1B 3X7, Canada
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7
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Dergunov SA. Biomimetic controlled radical photopolymerization in a two-dimensional organized environment under visible light. Chem Commun (Camb) 2021; 57:10612-10615. [PMID: 34570148 DOI: 10.1039/d1cc03982b] [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
Fast and well-controlled photoinduced atom transfer radical polymerization (photoATRP) in the organized medium of a bilayer activated by visible light under environmentally friendly mild aqueous conditions leads to polymers with predetermined molecular weight and low dispersity. The decisive parameter for photoATRP of monomers in the organized medium was their mobility and orientation with respect to the bilayer and the photoredox catalyst localized in the interstitial layer.
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Affiliation(s)
- Sergey A Dergunov
- Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, 06269, CT, USA.
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8
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Clothier GKK, Guimarães TR, Moad G, Zetterlund PB. Multiblock Copolymer Synthesis via Reversible Addition–Fragmentation Chain Transfer Emulsion Polymerization: Effects of Chain Mobility within Particles on Control over Molecular Weight Distribution. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c00345] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Glenn K. K. Clothier
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Thiago R. Guimarães
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Graeme Moad
- CSIRO Manufacturing, Bag 10,l, Clayton South, Victoria 3169, Australia
| | - Per B. Zetterlund
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales, Sydney, New South Wales 2052, Australia
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9
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Würbser MA, Schwarz PS, Heckel J, Bergmann AM, Walther A, Boekhoven J. Chemically Fueled Block Copolymer Self‐Assembly into Transient Nanoreactors**. CHEMSYSTEMSCHEM 2021. [DOI: 10.1002/syst.202100015] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Michaela A. Würbser
- Department of Chemistry Technical University Munich Lichtenbergstraße 4 85748 Garching Germany
| | - Patrick S. Schwarz
- Department of Chemistry Technical University Munich Lichtenbergstraße 4 85748 Garching Germany
| | - Jonas Heckel
- Institute for Macromolecular Chemistry University of Freiburg Stefan-Meier-Str. 31 79104 Freiburg Germany
- Freiburg Materials Research Center (FMF) University of Freiburg Stefan-Meier-Str. 21 79104 Freiburg Germany
- Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) University of Freiburg Georges-Köhler-Allee 105 79110 Freiburg Germany
| | - Alexander M. Bergmann
- Department of Chemistry Technical University Munich Lichtenbergstraße 4 85748 Garching Germany
| | - Andreas Walther
- A3BMS Lab Department of Chemistry University of Mainz Duesbergweg 10–14 55128 Mainz Germany
- Cluster of Excellence livMatS @ FIT – Freiburg Center for Interactive Materials and Bioinspired Technologies University of Freiburg Duesbergweg 10–14 55128 Mainz Germany
| | - Job Boekhoven
- Department of Chemistry Technical University Munich Lichtenbergstraße 4 85748 Garching Germany
- Institute for Advanced Studies Technical University Munich Lichtenbergstraße 2a 85748 Garching Germany
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10
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A Review on Recent Progress of Glycan-Based Surfactant Micelles as Nanoreactor Systems for Chemical Synthesis Applications. POLYSACCHARIDES 2021. [DOI: 10.3390/polysaccharides2010012] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The nanoreactor concept and its application as a modality to carry out chemical reactions in confined and compartmentalized structures continues to receive increasing attention. Micelle-based nanoreactors derived from various classes of surfactant demonstrate outstanding potential for chemical synthesis. Polysaccharide (glycan-based) surfactants are an emerging class of biodegradable, non-toxic, and sustainable alternatives over conventional surfactant systems. The unique structure of glycan-based surfactants and their micellar structures provide a nanoenvironment that differs from that of the bulk solution, and supported by chemical reactions with uniquely different reaction rates and mechanisms. In this review, the aggregation of glycan-based surfactants to afford micelles and their utility for the synthesis of selected classes of reactions by the nanoreactor technique is discussed. Glycan-based surfactants are ecofriendly and promising surfactants over conventional synthetic analogues. This contribution aims to highlight recent developments in the field of glycan-based surfactants that are relevant to nanoreactors, along with future opportunities for research. In turn, coverage of research for glycan-based surfactants in nanoreactor assemblies with tailored volume and functionality is anticipated to motivate advanced research for the synthesis of diverse chemical species.
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11
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Tajbakhsh S, Hajiali F, Marić M. Nitroxide-Mediated Miniemulsion Polymerization of Bio-Based Methacrylates. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00840] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Saeid Tajbakhsh
- Department of Chemical Engineering, McGill University, 3610 University St. Montreal, H3A 0C5 Quebec, Canada
| | - Faezeh Hajiali
- Department of Chemical Engineering, McGill University, 3610 University St. Montreal, H3A 0C5 Quebec, Canada
| | - Milan Marić
- Department of Chemical Engineering, McGill University, 3610 University St. Montreal, H3A 0C5 Quebec, Canada
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12
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13
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Ke W, Li J, Mohammed F, Wang Y, Tou K, Liu X, Wen P, Kinoh H, Anraku Y, Chen H, Kataoka K, Ge Z. Therapeutic Polymersome Nanoreactors with Tumor-Specific Activable Cascade Reactions for Cooperative Cancer Therapy. ACS NANO 2019; 13:2357-2369. [PMID: 30699292 DOI: 10.1021/acsnano.8b09082] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Therapeutic nanoreactors are of increasing interest in precise cancer therapy, which have been explored to in situ produce therapeutic compounds from inert prodrugs or intrinsic molecules at the target sites. However, engineering a nanoreactor with tumor activable cascade reactions for efficient cooperative cancer therapy remains a great challenge. Herein, we demonstrate a polymersome nanoreactor with tumor acidity-responsive membrane permeability to activate cascade reactions for orchestrated cooperative cancer treatment. The nanoreactors are constructed from responsive polyprodrug polymersomes incorporating ultrasmall iron oxide nanoparticles and glucose oxidase in the membranes and inner aqueous cavities, respectively. The cascade reactions including glucose consumption to generate H2O2, accelerated iron ion release, Fenton reaction between H2O2 and iron ion to produce hydroxyl radicals (•OH), and •OH-triggered rapid release of parent drugs can be specifically activated by the tumor acidity-responsive membrane permeability. During this process, the orchestrated cooperative cancer therapy including starving therapy, chemodynamic therapy, and chemotherapy is realized for high-efficiency tumor suppression by the in situ consumed and produced compounds. The nanoreactor design with tumor-activable cascade reactions represents an insightful paradigm for precise cooperative cancer therapy.
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Affiliation(s)
- Wendong Ke
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering , University of Science and Technology of China , Hefei 230026 , Anhui China
| | - Junjie Li
- Innovation Center of NanoMedicine (iCONM) , Kawasaki Institute of Industrial Promotion , 3-25-14 Tonomachi , Kawasaki-ku, Kawasaki 210-0821 , Japan
| | - Fathelrahman Mohammed
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering , University of Science and Technology of China , Hefei 230026 , Anhui China
| | - Yuheng Wang
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering , University of Science and Technology of China , Hefei 230026 , Anhui China
| | - Kazuko Tou
- Innovation Center of NanoMedicine (iCONM) , Kawasaki Institute of Industrial Promotion , 3-25-14 Tonomachi , Kawasaki-ku, Kawasaki 210-0821 , Japan
| | - Xueying Liu
- Innovation Center of NanoMedicine (iCONM) , Kawasaki Institute of Industrial Promotion , 3-25-14 Tonomachi , Kawasaki-ku, Kawasaki 210-0821 , Japan
| | - Panyue Wen
- Innovation Center of NanoMedicine (iCONM) , Kawasaki Institute of Industrial Promotion , 3-25-14 Tonomachi , Kawasaki-ku, Kawasaki 210-0821 , Japan
| | - Hiroaki Kinoh
- Innovation Center of NanoMedicine (iCONM) , Kawasaki Institute of Industrial Promotion , 3-25-14 Tonomachi , Kawasaki-ku, Kawasaki 210-0821 , Japan
| | - Yasutaka Anraku
- Graduate School of Engineering , The University of Tokyo , Tokyo 113-8656 , Japan
| | - Huabing Chen
- State Key Laboratory of Radiation Medicine and Protection, Jiangsu Key Laboratory of Neuropsychiatric Diseases, College of Pharmaceutical Sciences , Soochow University , Suzhou 215123 , China
| | - Kazunori Kataoka
- Innovation Center of NanoMedicine (iCONM) , Kawasaki Institute of Industrial Promotion , 3-25-14 Tonomachi , Kawasaki-ku, Kawasaki 210-0821 , Japan
- Policy Alternatives Research Institute , The University of Tokyo , Tokyo 113-0033 , Japan
| | - Zhishen Ge
- CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering , University of Science and Technology of China , Hefei 230026 , Anhui China
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Kessel S, Thakar N, Jia Z, Wolvetang EJ, Monteiro MJ. GRGD‐decorated three‐dimensional nanoworm hydrogels for culturing human embryonic stem cells. ACTA ACUST UNITED AC 2019. [DOI: 10.1002/pola.29342] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Stefanie Kessel
- Australian Institute for Bioengineering and NanotechnologyThe University of Queensland Brisbane 4072 Queensland Australia
| | - Nilay Thakar
- Australian Institute for Bioengineering and NanotechnologyThe University of Queensland Brisbane 4072 Queensland Australia
| | - Zhongfan Jia
- Australian Institute for Bioengineering and NanotechnologyThe University of Queensland Brisbane 4072 Queensland Australia
| | - Ernst J. Wolvetang
- Australian Institute for Bioengineering and NanotechnologyThe University of Queensland Brisbane 4072 Queensland Australia
| | - Michael J. Monteiro
- Australian Institute for Bioengineering and NanotechnologyThe University of Queensland Brisbane 4072 Queensland Australia
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15
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Khan M, Guimarães TR, Zhou D, Moad G, Perrier S, Zetterlund PB. Exploitation of Compartmentalization in RAFT Miniemulsion Polymerization to Increase the Degree of Livingness. ACTA ACUST UNITED AC 2019. [DOI: 10.1002/pola.29329] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Murtaza Khan
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering The University of New South Wales Sydney New South Wales 2052 Australia
| | - Thiago R. Guimarães
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering The University of New South Wales Sydney New South Wales 2052 Australia
| | - Dewen Zhou
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering The University of New South Wales Sydney New South Wales 2052 Australia
| | - Graeme Moad
- CSIRO Manufacturing Bag 10, Clayton South Victoria 3169 Australia
| | - Sébastien Perrier
- Department of Chemistry University of Warwick Coventry CV4 7AL United Kingdom
- Warwick Medical School University of Warwick Coventry CV4 7AL United Kingdom
- Faculty of Pharmacy and Pharmaceutical Sciences Monash University 381 Royal Parade, Parkville Victoria 3052 Australia
| | - Per B. Zetterlund
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering The University of New South Wales Sydney New South Wales 2052 Australia
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16
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Dergunov SA. Facile Synthesis of Chiral Polymers with Defined Architecture via Cooperative Assembly of Confined Templates. ACS Macro Lett 2018; 7:1322-1327. [PMID: 35651254 DOI: 10.1021/acsmacrolett.8b00776] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Herein is presented the synergistically self-assembled system as biomimetic polymerization media. This approach allows the facile synthesis of chiral amino acid-based polymers with high molecular weight and low dispersity inside of the bilayer of catanionic vesicles by using a conventional radical polymerization under moderate conditions.
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Affiliation(s)
- Sergey A. Dergunov
- Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269, United States
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17
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Lee SM, Bond N, Callaway C, Clark B, Farmer E, Mallard M, Jang SS. Dissipative particle dynamics simulation of multicompartment micelle nanoreactor with channel for reactants. RSC Adv 2018; 8:37866-37871. [PMID: 35558591 PMCID: PMC9089328 DOI: 10.1039/c8ra07023g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 11/06/2018] [Indexed: 11/21/2022] Open
Abstract
The structural variation of multicompartment micelles is investigated using a dissipative particle dynamics simulation method for nano-reactor application. It turns out that well-defined multicompartment micelles with channel structures can be generated through the self-assembly of triblock copolymers consisting of a hydrophilic (A), a lipophilic (B), and a fluorophobic (C) block arranged in a B–A–C sequence: The corona and core are formed by the hydrophilic A block and the fluorophilic C block, respectively while the channel between the aqueous phase and core is formed by the lipophilic B block and the core. By performing a set of simulations, it is confirmed that channel size can be controlled as a function of the block length ratios between blocks A and B. Furthermore, it is also confirmed that the reactants pass through such channels to reach the micelle core by analyzing the pair correlation functions. By monitoring the change of the number of reactants in the multicompartment micelle, it is revealed that the diffusion of reactants into the core is slowed down as the concentration gradient is decreased. This work provides mesoscopic insight for the formation of multicompartment micelles and transport of reactants for use in the design of micelles as nanoreactors. The structural variation of multicompartment micelles is investigated using a dissipative particle dynamics simulation method for nano-reactor application.![]()
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Affiliation(s)
- Seung Min Lee
- Computational NanoBio Technology Laboratory, School of Materials Science and Engineering, Georgia Institute of Technology 771 Ferst Drive NW Atlanta GA 30332-0245 USA
| | - Nicholas Bond
- Computational NanoBio Technology Laboratory, School of Materials Science and Engineering, Georgia Institute of Technology 771 Ferst Drive NW Atlanta GA 30332-0245 USA
| | - Connor Callaway
- Computational NanoBio Technology Laboratory, School of Materials Science and Engineering, Georgia Institute of Technology 771 Ferst Drive NW Atlanta GA 30332-0245 USA
| | - Benjamin Clark
- Computational NanoBio Technology Laboratory, School of Materials Science and Engineering, Georgia Institute of Technology 771 Ferst Drive NW Atlanta GA 30332-0245 USA
| | - Emily Farmer
- Computational NanoBio Technology Laboratory, School of Materials Science and Engineering, Georgia Institute of Technology 771 Ferst Drive NW Atlanta GA 30332-0245 USA
| | - MacKensie Mallard
- Computational NanoBio Technology Laboratory, School of Materials Science and Engineering, Georgia Institute of Technology 771 Ferst Drive NW Atlanta GA 30332-0245 USA
| | - Seung Soon Jang
- Computational NanoBio Technology Laboratory, School of Materials Science and Engineering, Georgia Institute of Technology 771 Ferst Drive NW Atlanta GA 30332-0245 USA .,Institute for Electronics and Nanotechnology, Georgia Institute of Technology Atlanta GA USA.,Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology Atlanta GA USA.,Strategic Energy Institute, Georgia Institute of Technology Atlanta GA 30332 USA
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18
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Li L, Zhou F, Li Y, Chen X, Zhang Z, Zhou N, Zhu X. Cooperation of Amphiphilicity and Smectic Order in Regulating the Self-Assembly of Cholesterol-Functionalized Brush-Like Block Copolymers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:11034-11041. [PMID: 30133294 DOI: 10.1021/acs.langmuir.8b01946] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Nanoparticle morphology significantly affects the application of nanometer-scale materials. Understanding nanoparticle formation mechanisms and directing morphological control in nanoparticle self-assembly processes have received wide attention. Herein, a series of brush-like amphiphilic liquid crystalline block copolymers, PChEMA m- b-POEGMA n, containing cholesteryl mesogens with different hydrophobic/hydrophilic block ratios were designed and synthesized. The self-assembly behaviors of the resulting PChEMA m- b-POEGMA n block copolymers in different solvents (tetrahydrofuran/H2O, 1,4-dioxane/H2O, and N, N-dimethylformamide) were investigated in detail. Desirable micellar aggregates with well-organized architectures, including short cylindrical micelles, nanofibers, fringed platelets, and ellipsoidal vesicles with smectic micellar cores, were observed in 1,4-dioxane/H2O with an increasing hydrophobic block ratio. Although both amphiphilicity and smectic order governed the self-assembly, these two factors were differently balanced in the different solvents. This unique supramolecular system provides a new strategy for the design of advanced functional nanomaterials with tunable morphologies.
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Affiliation(s)
- Lishan Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Feng Zhou
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Yiwen Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering , Sichuan University , Chengdu 610065 , China
| | - Xiaofang Chen
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Zhengbiao Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Nianchen Zhou
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
| | - Xiulin Zhu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , China
- Global Institute of Software Technology , No. 5, Qingshan Road , Suzhou National Hi-Tech District, Suzhou 215163 , China
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19
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Differences between ab initio emulsion and miniemulsion polymerization of styrene mediated by an alkenyl-functionalized amphiphilic RAFT agent. Colloid Polym Sci 2018. [DOI: 10.1007/s00396-018-4386-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Abstract
Pillararenes are a unique group of supramolecular macrocycles, presenting important features and potential applications on account of their intrinsic structural properties and functionality. Developing pillararene-based self-assembled amphiphiles (PSAs) is an efficient approach to translate pillararenes into functional systems and materials for facilitating their practical applications. In this review article, we highlight recent significant advancements in PSAs. A new standard according to the number, solubility, and amphiphilicity of building blocks is employed for dividing PSAs into different categories. The fabrication of PSAs based on various building blocks and supramolecular interactions, and the formation of amphiphile-based self-assemblies are then discussed based on this standard. Furthermore, interesting stimulus-responsiveness to various factors, such as pH, redox, temperature, light, ionic effect, and host-guest competition, generated by the functional groups on various building blocks is summarized, and the corresponding supramolecular interactions in PSAs and their self-assemblies are elaborated. In addition, some important applications of PSAs and their assemblies are discussed. This review not only provides fundamental findings on the construction of PSAs, but also foresees future research directions in this rapidly developing area.
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Affiliation(s)
- Huacheng Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, China.
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21
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22
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Phase-selectively soluble, polymer-supported salen catalyst prepared using atom transfer radical polymerization (ATRP). POLYMER 2018. [DOI: 10.1016/j.polymer.2017.12.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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23
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Zhang S, Zhang B, Liang H, Liu Y, Qiao Y, Qin Y. Encapsulation of Homogeneous Catalysts in Mesoporous Materials Using Diffusion-Limited Atomic Layer Deposition. Angew Chem Int Ed Engl 2017; 57:1091-1095. [DOI: 10.1002/anie.201712010] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Shufang Zhang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
- University of Chinese Academy of Sciences; Beijing 100039 PR China
| | - Bin Zhang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Haojie Liang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
- University of Chinese Academy of Sciences; Beijing 100039 PR China
| | - Yequn Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Yan Qiao
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Yong Qin
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
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24
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Zhang S, Zhang B, Liang H, Liu Y, Qiao Y, Qin Y. Encapsulation of Homogeneous Catalysts in Mesoporous Materials Using Diffusion-Limited Atomic Layer Deposition. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201712010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Shufang Zhang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
- University of Chinese Academy of Sciences; Beijing 100039 PR China
| | - Bin Zhang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Haojie Liang
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
- University of Chinese Academy of Sciences; Beijing 100039 PR China
| | - Yequn Liu
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Yan Qiao
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
| | - Yong Qin
- State Key Laboratory of Coal Conversion; Institute of Coal Chemistry; Chinese Academy of Sciences; Taiyuan 030001 PR China
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25
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26
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Zhang Y, Tan R, Zhao G, Luo X, Yin D. Asymmetric epoxidation of unfunctionalized olefins accelerated by thermoresponsive self-assemblies in aqueous systems. Catal Sci Technol 2016. [DOI: 10.1039/c5cy00953g] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A thermoresponsive self-assembled nanoreactor, comprising a hydrophilic PNIPAAm shell and a hydrophobic chiral salen MnIII complex core, exhibits unprecedented efficiency and facile reusability in asymmetric epoxidation of unfunctionalized olefins in pure water without using any organic solvents.
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Affiliation(s)
- Yaoyao Zhang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application for Organic Functional Molecules
- Hunan Normal University
- Changsha
- China
| | - Rong Tan
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application for Organic Functional Molecules
- Hunan Normal University
- Changsha
- China
| | - Guangwu Zhao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application for Organic Functional Molecules
- Hunan Normal University
- Changsha
- China
| | - Xuanfeng Luo
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application for Organic Functional Molecules
- Hunan Normal University
- Changsha
- China
| | - Donghong Yin
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education)
- Key Laboratory of the Assembly and Application for Organic Functional Molecules
- Hunan Normal University
- Changsha
- China
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27
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Panahi F, Roozbin F, Rahimi S, Moayyed M, Valaei A, Iranpoor N. A triazine-phosphite polymeric ligand bearing cage-like P,N-ligation sites: an efficient ligand in the nickel-catalyzed amination of aryl chlorides and phenols. RSC Adv 2016. [DOI: 10.1039/c6ra14367a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
A reusable polymeric material containing P,N-ligation sites was prepared by a facile one-step route for application in transition-metal catalysis as a reusable P,N-ligand.
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Affiliation(s)
- Farhad Panahi
- Department of Chemistry
- College of Sciences
- Shiraz University
- Shiraz 71454
- Iran
| | - Fatemeh Roozbin
- Department of Chemistry
- College of Sciences
- Shiraz University
- Shiraz 71454
- Iran
| | - Sajjad Rahimi
- Department of Chemistry
- College of Sciences
- Shiraz University
- Shiraz 71454
- Iran
| | | | - Aria Valaei
- Department of Chemistry
- College of Sciences
- Shiraz University
- Shiraz 71454
- Iran
| | - Nasser Iranpoor
- Department of Chemistry
- College of Sciences
- Shiraz University
- Shiraz 71454
- Iran
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28
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Chun BJ, Fisher CC, Jang SS. Dissipative particle dynamics simulation study of poly(2-oxazoline)-based multicompartment micelle nanoreactor. Phys Chem Chem Phys 2016; 18:6284-90. [DOI: 10.1039/c5cp07100c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We investigate multicompartment micelles for nanoreactor applications, using the DPD simulation method to characterize the internal structure and the distribution of the reactant.
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Affiliation(s)
- Byeong Jae Chun
- School of Chemical & Biomolecular Engineering
- Georgia Institute of Technology
- Atlanta
- USA
- Computational NanoBio Technology Laboratory
| | - Christina Clare Fisher
- Computational NanoBio Technology Laboratory
- School of Materials Science and Engineering
- Georgia Institute of Technology
- Atlanta
- USA
| | - Seung Soon Jang
- Computational NanoBio Technology Laboratory
- School of Materials Science and Engineering
- Georgia Institute of Technology
- Atlanta
- USA
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29
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Bobrin VA, Monteiro MJ. Temperature-Directed Self-Assembly of Multifunctional Polymeric Tadpoles. J Am Chem Soc 2015; 137:15652-5. [PMID: 26639674 DOI: 10.1021/jacs.5b11037] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Multicompartment tadpole nano-objects are a rare and intriguing class of structures with potential in a wide range of applications. Here, we demonstrate the synthesis of chemically multifunctional polymer tadpoles made at high weight fractions of polymer (>10 wt %). The tadpoles are synthesized using two different thermoresponsive MacroCTAs with either alkyne or pyridyldisulfide end-groups, allowing chemical functionality in the head, tail, or both. Water-soluble molecules or polymers were coupled to either the head, tail or both without a change in tadpole configuration. In addition, the tadpoles can be dried, rehydrated, and stored in water for 5 months without a change in shape. This method represents a new and an important synthetic development in the design of nano-objects.
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Affiliation(s)
- Valentin A Bobrin
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland , St. Lucia, Brisbane, Queensland 4072, Australia
| | - Michael J Monteiro
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland , St. Lucia, Brisbane, Queensland 4072, Australia
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30
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Zetterlund PB, Thickett SC, Perrier S, Bourgeat-Lami E, Lansalot M. Controlled/Living Radical Polymerization in Dispersed Systems: An Update. Chem Rev 2015; 115:9745-800. [PMID: 26313922 DOI: 10.1021/cr500625k] [Citation(s) in RCA: 326] [Impact Index Per Article: 36.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Per B Zetterlund
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales , Sydney, NSW 2052, Australia
| | - Stuart C Thickett
- Centre for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales , Sydney, NSW 2052, Australia
| | - Sébastien Perrier
- Department of Chemistry, The University of Warwick , Coventry CV4 7AL, U.K.,Faculty of Pharmacy and Pharmaceutical Sciences, Monash University , Melbourne, VIC 3052, Australia
| | - Elodie Bourgeat-Lami
- Laboratory of Chemistry, Catalysis, Polymers and Processes (C2P2), LCPP group, Université de Lyon, Université Lyon 1, CPE Lyon, CNRS, UMR 5265, 43, Boulevard du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Muriel Lansalot
- Laboratory of Chemistry, Catalysis, Polymers and Processes (C2P2), LCPP group, Université de Lyon, Université Lyon 1, CPE Lyon, CNRS, UMR 5265, 43, Boulevard du 11 Novembre 1918, F-69616 Villeurbanne, France
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31
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So S, Lodge TP. Interfacial tension-hindered phase transfer of polystyrene-b-poly(ethylene oxide) polymersomes from a hydrophobic ionic liquid to water. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:594-601. [PMID: 25555164 DOI: 10.1021/la504605e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We examine the phase transfer of polystyrene-b-poly(ethylene oxide) (PS-PEO) polymersomes from a hydrophobic ionic liquid, 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([EMIM][TFSI]), into water. The dependence of the phase transfer on the molecular weight and PEO volume fraction (fPEO) of the PS-PEO polymersomes was systematically studied by varying the molecular weight of PS (10,000-27,000 g/mol) as well as by varying the volume fraction of PEO (fPEO) between 0.1 and 0.3. We demonstrate a general boundary for the phase transfer in terms of a reduced tethering density for PEO (σPEO), which is independent of the molecular weight of the hydrophobic PS. The reduced PEO tethering density was controlled by changing the polymersome size (i.e., increased polymersome sizes increase σPEO), confirming that it is the driving force in the transfer of PS-PEO polymersomes at room temperature. The phase transfer dependence on σPEO was also analyzed in terms of the free energy of polymersomes in the biphasic system. The quality of the aqueous phase, which affects the interfacial tension of the PS membrane, influenced the phase transfer. We systematically reduced the interfacial tension by adding a water-selective solvent, THF, which has a similar effect to increasing σPEO. The results indicate that the interfacial tension between the membrane and water plays an important role in the phase transfer with the corona and that the phase transfer can be controlled either by the dimensions of the polymersomes or by the suitability of the solvent for the membrane. The interfacial tension-hindered phase transfer of polymersomes in the biphasic water-[EMIM][TFSI] system will inform the design of temperature-sensitive and reversible nanoreactors and the separation of polydisperse particles according to size by tuning the quality of the solvent.
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Affiliation(s)
- Soonyong So
- Department of Chemical Engineering & Materials Science and ‡Department of Chemistry, University of Minnesota , Minneapolis, Minnesota 55455, United States
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32
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Truong NP, Dussert MV, Whittaker MR, Quinn JF, Davis TP. Rapid synthesis of ultrahigh molecular weight and low polydispersity polystyrene diblock copolymers by RAFT-mediated emulsion polymerization. Polym Chem 2015. [DOI: 10.1039/c5py00166h] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An environmentally friendly emulsion technique produces uniform nanoparticles with precise control over molecular weight and particle size.
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Affiliation(s)
- Nghia P. Truong
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology
- Monash Institute of Pharmaceutical Sciences
- Monash University
- Melbourne
- Australia
| | - Marion V. Dussert
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology
- Monash Institute of Pharmaceutical Sciences
- Monash University
- Melbourne
- Australia
| | - Michael R. Whittaker
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology
- Monash Institute of Pharmaceutical Sciences
- Monash University
- Melbourne
- Australia
| | - John F. Quinn
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology
- Monash Institute of Pharmaceutical Sciences
- Monash University
- Melbourne
- Australia
| | - Thomas P. Davis
- ARC Centre of Excellence in Convergent Bio-Nano Science & Technology
- Monash Institute of Pharmaceutical Sciences
- Monash University
- Melbourne
- Australia
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33
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Kinetics study of living microemulsion polymerization mediated by reversible addition-fragmentation chain transfer. JOURNAL OF POLYMER RESEARCH 2014. [DOI: 10.1007/s10965-014-0614-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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34
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Zhu J, Fan XJ, Tao Y, Wei DQ, Zhang XH. Study on an integrated process combining ozonation with ceramic ultra-filtration for decentralized supply of drinking water. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2014; 49:1296-1303. [PMID: 24967563 DOI: 10.1080/10934529.2014.910068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
An integrated process was specifically developed for the decentralized supply of drinking water from micro-polluted surface water in the rural areas of China. The treatment process combined ozonation with ceramic ultra-filtration (UF), coagulation for pre-treatment and granular activated carbon filtration. A flat-sheet ceramic membrane was used with a cut-off of 60 nm and the measurement of 254 mm (length) × 240 mm (width) × 6 mm (thickness). Ozonation and ceramic UF was set up whthin one reactor. The experimental results showed that the removal efficiencies of the dissolved organic carbon (DOC) and the formation potential of trihalomethanes (THMs), haloacetic acids (HAAs) and ammonia were 80%, 76%, 70% and 90%, respectively; that the turbidity of the product water was below 0.2 NTU and the particle count number (particles larger than 2 μm) was less than 50 counts per mL. The result also showed that all the pathogenic microorganisms were retained by the ceramic and that UF. Ozonation played a critical role in the control of membrane fouling and the removal of contaminants. Exactly, the membrane fouling can be controlled in situ with 3 mg L(-1) ozone at the permeate flux of 80 L m(-2) h(-1), yet the required dosage of ozone was dependent on the quality of the raw water. Therefore, this study is able to provide a highly compacted system for decentralized supply of high-quality drinking water in terms of both chemical and microbiological safety for the rural areas in China.
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Affiliation(s)
- Jia Zhu
- a School of Construction and Environmental Engineering, Shenzhen Polytechnic , Shenzhen , P.R. China
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35
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Yang L, Xu J, Sun P, Shen Y, Luo Y. Ab Initio Emulsion and Miniemulsion Polymerization of Styrene Mediated by a Cyclohexenyl-Functionalized Amphiphilic RAFT Agent. Ind Eng Chem Res 2014. [DOI: 10.1021/ie501888b] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
| | | | | | | | - Yingwu Luo
- The
State Key Laboratory of Chemical Engineering, Department of Chemical
and Biological Engineering, Zhejiang University, Hangzhou 310027, Zhejiang, China
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36
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An L, Cai Z, Wang W, Pu J, Li Z. A thermo-sensitive imaging coating derived from polymer nanoparticles containing infrared absorbing dye. Eur Polym J 2014. [DOI: 10.1016/j.eurpolymj.2014.01.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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37
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Jia Z, Bobrin VA, Truong NP, Gillard M, Monteiro MJ. Multifunctional Nanoworms and Nanorods through a One-Step Aqueous Dispersion Polymerization. J Am Chem Soc 2014; 136:5824-7. [DOI: 10.1021/ja500092m] [Citation(s) in RCA: 112] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zhongfan Jia
- Australian Institute for
Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Brisbane QLD 4072, Australia
| | - Valentin A. Bobrin
- Australian Institute for
Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Brisbane QLD 4072, Australia
| | - Nghia P. Truong
- Australian Institute for
Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Brisbane QLD 4072, Australia
| | - Marianne Gillard
- Australian Institute for
Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Brisbane QLD 4072, Australia
| | - Michael J. Monteiro
- Australian Institute for
Bioengineering and Nanotechnology, The University of Queensland, St Lucia, Brisbane QLD 4072, Australia
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38
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Chen HS, Chen PH, Huang SH, Perng TP. Toward highly efficient photocatalysis: a flow-through Pt@TiO2@AAO membrane nanoreactor prepared by atomic layer deposition. Chem Commun (Camb) 2014; 50:4379-82. [DOI: 10.1039/c4cc01166j] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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39
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Li WSJ, Cunningham MF. Nitroxide-mediated microemulsion polymerization of n-butyl acrylate: decoupling of target molecular weight and particle size. Polym Chem 2014. [DOI: 10.1039/c4py00113c] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Independent control of molecular weight and particle size can be achieved in nitroxide mediatedn-butyl acrylate microemulsion polymerization.
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Affiliation(s)
- W. S. Jennifer Li
- Department of Chemical Engineering
- Queen's University
- Kingston, Canada K7L 3N6
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40
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Sebakhy KO, Gavrilov M, Valade D, Jia Z, Monteiro MJ. Nanoparticles of Well-Defined 4-Arm Stars made using Nanoreactors in Water. Macromol Rapid Commun 2013; 35:193-197. [DOI: 10.1002/marc.201300665] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 10/21/2013] [Indexed: 11/06/2022]
Affiliation(s)
- Khaled O. Sebakhy
- Australian Institute for Bioengineering and Nanotechnology; The University of Queensland; Brisbane QLD 4072 Australia
| | - Mikhail Gavrilov
- Australian Institute for Bioengineering and Nanotechnology; The University of Queensland; Brisbane QLD 4072 Australia
| | - David Valade
- Australian Institute for Bioengineering and Nanotechnology; The University of Queensland; Brisbane QLD 4072 Australia
| | - Zhongfan Jia
- Australian Institute for Bioengineering and Nanotechnology; The University of Queensland; Brisbane QLD 4072 Australia
| | - Michael J. Monteiro
- Australian Institute for Bioengineering and Nanotechnology; The University of Queensland; Brisbane QLD 4072 Australia
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41
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Zhao Y, Sakai F, Su L, Liu Y, Wei K, Chen G, Jiang M. Progressive macromolecular self-assembly: from biomimetic chemistry to bio-inspired materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:5215-5256. [PMID: 24022921 DOI: 10.1002/adma.201302215] [Citation(s) in RCA: 144] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Revised: 07/08/2013] [Indexed: 06/02/2023]
Abstract
Macromolecular self-assembly (MSA) has been an active and fruitful research field since the 1980s, especially in this new century, which is promoted by the remarkable developments in controlled radical polymerization in polymer chemistry, etc. and driven by the demands in bio-related investigations and applications. In this review, we try to summarize the trends and recent progress in MSA in relation to biomimetic chemistry and bio-inspired materials. Our paper covers representative achievements in the fabrication of artificial building blocks for life, cell-inspired biomimetic materials, and macromolecular assemblies mimicking the functions of natural materials and their applications. It is true that the current status of the deliberately designed and obtained nano-objects based on MSA including a variety of micelles, multicompartment vesicles, and some hybrid and complex nano-objects is at their very first stage to mimic nature, but significant and encouraging progress has been made in achieving a certain similarity in morphologies or properties to that of natural ones. Such achievements also demonstrate that MSA has played an important and irreplaceable role in the grand and long-standing research of biomimetic and bio-inspired materials, the future success of which depends on mutual and persistent efforts in polymer science, material science, supramolecular chemistry, and biology.
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Affiliation(s)
- Yu Zhao
- State Key Laboratory of Molecular Engineering of Polymers and Department of Macromolecular Science, Fudan University, Shanghai, China
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42
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Zheng M, Sun Z, Xie Z, Jing X. Core cross-linked micelle-based nanoreactors for efficient photocatalysis. Chem Asian J 2013; 8:2807-12. [PMID: 23939954 DOI: 10.1002/asia.201300668] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Indexed: 01/12/2023]
Abstract
Stable nanoscale cross-linked polymer micelles containing Ru complexes (Ru-CMs) were prepared from monomethoxy[poly(ethylene glycol)]-block-poly(L-lysine) (MPEG-PLys) and [(bpy)2Ru(fmbpy)](PF6)2 (bpy=bipyridine, fmbpy=5-formy-5'-methyl-2,2'-bipyridine). To stabilize the micelles, bifunctional glutaraldehyde was used as a cross-linker to react with the free amino groups of the PLys block. After that, the Ru-CMs showed very good stability in common solvents. The Ru-CMs showed photocatalytic activity and selectivity in the oxidation of sulfides that were as high as those of the well-known [Ru(bpy)3(PF6)2] complex, because the micelles were swollen in the methanol-sulfide mixture. Moreover, because of the nanoscale size of the particles and their high stability, the Ru-CM photocatalysts can be readily recovered by ultrafiltration and reused without loss of photocatalytic activity. This work highlights the potential of using cross-linked micelles as a platform for developing highly efficient heterogeneous photocatalysts for a number of important organic transformations.
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Affiliation(s)
- Min Zheng
- State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, CAS, 3888 East Nanuhu Road, Changchun, Jilin 130033 (P. R. China)
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43
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Zayas HA, Lu A, Valade D, Amir F, Jia Z, O’Reilly RK, Monteiro MJ. Thermoresponsive Polymer-Supported l-Proline Micelle Catalysts for the Direct Asymmetric Aldol Reaction in Water. ACS Macro Lett 2013; 2:327-331. [PMID: 35581760 DOI: 10.1021/mz4000943] [Citation(s) in RCA: 113] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
l-Proline moieties bound to a thermoresponsive polymer nanoreactor efficiently directed the asymmetric aldol reaction in water with excellent yields and enantioselectivity (ee). The reactions were efficient at higher temperatures in direct contrast to the low yields and ee values found when the reaction was carried out in a DMF/water mixture due to the location of the l-proline moieties within the hydrophobic pocket inside the core of the nanoreactors. This ideal environment formed for catalysis allows control over the water content as well as enhancing interactions between the carboxylic acid of l-proline and the aldehyde substrate. The nanoreactors were disassembled to fully water-soluble polymers by lowering the temperature to below the lower critical solution temperature (LCST) of the polymer, resulting in precipitation of the product in near pure form. The product was isolated by centrifugation and the polymer/water solution reused in additional catalytic cycles by heating the polymer above its LCST and thus reforming the nanoreactors. Although a small decrease in yield after five cycles was observed, the selectivity (anti/syn ratio and ee) remained high.
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Affiliation(s)
- Hazit A. Zayas
- Australian Institute
for Bioengineering and Nanotechnology, University of Queensland, Brisbane QLD 4072, Australia
| | - Annhelen Lu
- Department of Chemistry, University of Warwick, Gibbet Hill Road,
Coventry, CV4 7AL, United Kingdom
| | - David Valade
- Australian Institute
for Bioengineering and Nanotechnology, University of Queensland, Brisbane QLD 4072, Australia
| | - Faheem Amir
- Australian Institute
for Bioengineering and Nanotechnology, University of Queensland, Brisbane QLD 4072, Australia
| | - Zhongfan Jia
- Australian Institute
for Bioengineering and Nanotechnology, University of Queensland, Brisbane QLD 4072, Australia
| | - Rachel K. O’Reilly
- Department of Chemistry, University of Warwick, Gibbet Hill Road,
Coventry, CV4 7AL, United Kingdom
| | - Michael J. Monteiro
- Australian Institute
for Bioengineering and Nanotechnology, University of Queensland, Brisbane QLD 4072, Australia
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Hatami L, Haddadi-Asl V, Ahmadian-Alam L, Roghani-Mamaqani H, Salami-Kalajahi M. Effect of Nanoclay on Styrene and Butyl Acrylate AGET ATRP in Miniemulsion: Study of Nucleation Type, Kinetics, and Polymerization Control. INT J CHEM KINET 2013. [DOI: 10.1002/kin.20757] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Leila Hatami
- Department of Chemistry; Amirkabir University of Technology; Tehran; Iran
| | - Vahid Haddadi-Asl
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology,; P.O. Box 15875-4413; Tehran; Iran
| | | | - Hossein Roghani-Mamaqani
- Department of Polymer Engineering and Color Technology; Amirkabir University of Technology,; P.O. Box 15875-4413; Tehran; Iran
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45
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Jia Z, Truong NP, Monteiro MJ. Reversible polymer nanostructures by regulating SDS/PNIPAM binding. Polym Chem 2013. [DOI: 10.1039/c2py20628e] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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46
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Zayas HA, Truong NP, Valade D, Jia Z, Monteiro MJ. Narrow molecular weight and particle size distributions of polystyrene 4-arm stars synthesized by RAFT-mediated miniemulsions. Polym Chem 2013. [DOI: 10.1039/c2py20709e] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Lu A, O'Reilly RK. Advances in nanoreactor technology using polymeric nanostructures. Curr Opin Biotechnol 2012; 24:639-45. [PMID: 23270737 DOI: 10.1016/j.copbio.2012.11.013] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2012] [Revised: 11/08/2012] [Accepted: 11/29/2012] [Indexed: 01/01/2023]
Abstract
Site isolation, compartmentalization and substrate specificity are a few of the characteristics responsible for the catalytic efficiency demonstrated by enzymes in natural systems. In efforts to mimic these highly efficient systems, research has been directed towards macromolecular chemistry. Robust polymer assemblies can create a favorable and isolated environment around the catalytic site allowing specific and sometimes incompatible reactions to take place within this protected reaction pocket. Further exploring the use of 'smart' polymers, control over both the catalytic activity and substrate specificity is achieved. In addition, polymeric systems provide the opportunity for recycling of the active catalysts, further enhancing the advantages of polymer supported catalytic systems.
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Affiliation(s)
- Annhelen Lu
- Department of Chemistry, University of Warwick, Gibbet Hill Road, CV4 7AL, Coventry, United Kingdom
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48
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Freire F, Seco JM, Quiñoá E, Riguera R. Nanospheres with Tunable Size and Chirality from Helical Polymer–Metal Complexes. J Am Chem Soc 2012; 134:19374-83. [DOI: 10.1021/ja3061112] [Citation(s) in RCA: 86] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Félix Freire
- Department of Organic Chemistry
and Center for Research
in Biological Chemistry and Molecular Materials (CIQUS), University of Santiago de Compostela, E-15782 Santiago
de Compostela, Spain
| | - José Manuel Seco
- Department of Organic Chemistry
and Center for Research
in Biological Chemistry and Molecular Materials (CIQUS), University of Santiago de Compostela, E-15782 Santiago
de Compostela, Spain
| | - Emilio Quiñoá
- Department of Organic Chemistry
and Center for Research
in Biological Chemistry and Molecular Materials (CIQUS), University of Santiago de Compostela, E-15782 Santiago
de Compostela, Spain
| | - Ricardo Riguera
- Department of Organic Chemistry
and Center for Research
in Biological Chemistry and Molecular Materials (CIQUS), University of Santiago de Compostela, E-15782 Santiago
de Compostela, Spain
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49
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Valade D, Jeon Y, Kessel S, Monteiro MJ. Influence of the Z‐group on the RAFT‐mediated polymerizations in nanoreactors. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26300] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- David Valade
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane 4072, Queensland, Australia
| | - Yujung Jeon
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane 4072, Queensland, Australia
| | - Stefanie Kessel
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane 4072, Queensland, Australia
| | - Michael J. Monteiro
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane 4072, Queensland, Australia
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50
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Kessel S, Truong NP, Jia Z, Monteiro MJ. Aqueous reversible addition-fragmentation chain transfer dispersion polymerization of thermoresponsive diblock copolymer assemblies: Temperature directed morphology transformations. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26313] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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