1
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Nam J, Yoo C, Seo M. Polymerization/Depolymerization-Induced Self-Assembly under Coupled Equilibria of Polymerization with Self-Assembly. J Am Chem Soc 2024; 146:13854-13861. [PMID: 38717989 DOI: 10.1021/jacs.4c00612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
Depolymerization breaks down polymer chains into monomers like unthreading beads, attracting more attention from a sustainability standpoint. When polymerization reaches equilibrium, polymerization and depolymerization can reversibly proceed by decreasing and increasing the temperature. Here, we demonstrate that such dynamic control of a growing polymer chain in a selective solvent can spontaneously modulate the self-assembly of block copolymer micellar nano-objects. Compared to polymerization-induced self-assembly (PISA), where irreversible growth of a solvophobic polymer block from the end of a solvophilic polymer causes micellization, polymerization/depolymerization-induced self-assembly presented in this study allows us to reversibly regulate the packing parameter of the forming block copolymer and thus induce reversible morphological transitions of the nano-objects by temperature swing. Under the coupled equilibria of polymerization with self-assembly, we found that demixing of the growing polymer block in a more selective solvent entropically facilitates depolymerization at a substantially lower temperature. Taking ring-opening polymerization of δ-valerolactone initiated from the hydroxyl-terminated poly(ethylene oxide) as a model system, we show that polymerization/depolymerization/repolymerization leads to reversible morphological transitions, such as rod-sphere-rod and fiber-rod-fiber, during the heating and cooling cycle and accompanied by changes in macroscopic properties such as viscosity, suggesting their potential as dynamic soft materials.
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Affiliation(s)
- Jiyun Nam
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Changsu Yoo
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
| | - Myungeun Seo
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea
- KAIST Institute for the Nanocentury, KAIST, Daejeon 34141, Republic of Korea
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2
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Pan X, Huang W, Nie G, Wang C, Wang H. Ultrasound-Sensitive Intelligent Nanosystems: A Promising Strategy for the Treatment of Neurological Diseases. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2303180. [PMID: 37871967 DOI: 10.1002/adma.202303180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 09/26/2023] [Indexed: 10/25/2023]
Abstract
Neurological diseases are a major global health challenge, affecting hundreds of millions of people worldwide. Ultrasound therapy plays an irreplaceable role in the treatment of neurological diseases due to its noninvasive, highly focused, and strong tissue penetration capabilities. However, the complexity of brain and nervous system and the safety risks associated with prolonged exposure to ultrasound therapy severely limit the applicability of ultrasound therapy. Ultrasound-sensitive intelligent nanosystems (USINs) are a novel therapeutic strategy for neurological diseases that bring greater spatiotemporal controllability and improve safety to overcome these challenges. This review provides a detailed overview of therapeutic strategies and clinical advances of ultrasound in neurological diseases, focusing on the potential of USINs-based ultrasound in the treatment of neurological diseases. Based on the physical and chemical effects induced by ultrasound, rational design of USINs is a prerequisite for improving the efficacy of ultrasound therapy. Recent developments of ultrasound-sensitive nanocarriers and nanoagents are systemically reviewed. Finally, the challenges and developing prospects of USINs are discussed in depth, with a view to providing useful insights and guidance for efficient ultrasound treatment of neurological diseases.
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Affiliation(s)
- Xueting Pan
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
| | - Wenping Huang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
- School of Nanoscience and Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Guangjun Nie
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
- School of Nanoscience and Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Changyong Wang
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing, 100850, China
| | - Hai Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100190, China
- School of Nanoscience and Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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3
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Belluati A, Jimaja S, Chadwick RJ, Glynn C, Chami M, Happel D, Guo C, Kolmar H, Bruns N. Artificial cell synthesis using biocatalytic polymerization-induced self-assembly. Nat Chem 2024; 16:564-574. [PMID: 38049652 PMCID: PMC10997521 DOI: 10.1038/s41557-023-01391-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 10/30/2023] [Indexed: 12/06/2023]
Abstract
Artificial cells are biomimetic microstructures that mimic functions of natural cells, can be applied as building blocks for molecular systems engineering, and host synthetic biology pathways. Here we report enzymatically synthesized polymer-based artificial cells with the ability to express proteins. Artificial cells were synthesized using biocatalytic atom transfer radical polymerization-induced self-assembly, in which myoglobin synthesizes amphiphilic block co-polymers that self-assemble into structures such as micelles, worm-like micelles, polymersomes and giant unilamellar vesicles (GUVs). The GUVs encapsulate cargo during the polymerization, including enzymes, nanoparticles, microparticles, plasmids and cell lysate. The resulting artificial cells act as microreactors for enzymatic reactions and for osteoblast-inspired biomineralization. Moreover, they can express proteins such as a fluorescent protein and actin when fed with amino acids. Actin polymerizes in the vesicles and alters the artificial cells' internal structure by creating internal compartments. Thus, biocatalytic atom transfer radical polymerization-induced self-assembly-derived GUVs can mimic bacteria as they are composed of a microscopic reaction compartment that contains genetic information for protein expression upon induction.
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Affiliation(s)
- Andrea Belluati
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, Glasgow, UK.
- Department of Chemistry and Centre for Synthetic Biology, Technical University of Darmstadt, Darmstadt, Germany.
| | - Sètuhn Jimaja
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
| | - Robert J Chadwick
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, Glasgow, UK
| | - Christopher Glynn
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, Glasgow, UK
| | | | - Dominic Happel
- Department of Chemistry and Centre for Synthetic Biology, Technical University of Darmstadt, Darmstadt, Germany
| | - Chao Guo
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, Glasgow, UK
| | - Harald Kolmar
- Department of Chemistry and Centre for Synthetic Biology, Technical University of Darmstadt, Darmstadt, Germany
| | - Nico Bruns
- Department of Pure and Applied Chemistry, University of Strathclyde, Thomas Graham Building, Glasgow, UK.
- Department of Chemistry and Centre for Synthetic Biology, Technical University of Darmstadt, Darmstadt, Germany.
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Zheng Y, Niino H, Chatani S, Goto A. Preparation of Block Copolymer Self-Assemblies via Pisa in a Non-Polar Medium Based on RCMP. Macromol Rapid Commun 2024; 45:e2300635. [PMID: 38284465 DOI: 10.1002/marc.202300635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 01/18/2024] [Indexed: 01/30/2024]
Abstract
Polymerization-induced self-assembly (PISA) is conducted in a non-polar medium (n-dodecane) via reversible complexation-mediated polymerization (RCMP). Stearyl methacrylate (SMA) is used to synthesize a macroinitiator, and subsequent block polymerization of benzyl methacrylate (BzMA) from the macroinitiator in n-dodecane afforded a PSMA-PBzMA block copolymer, where PSMA is poly(stearyl methacrylate) and PBzMA is poly(benzyl methacrylate). Because PSMA is soluble but PBzMA is insoluble in n-dodecane, the block copolymer formed a self-assembly during the block polymerization (PISA). Spherical micelles, worms, and vesicles are obtained, depending on the degrees of polymerization of PSMA and PBzMA. "One-pot" PISA is also attained; namely, BzMA is directly added to the reaction mixture of the macroinitiator synthesis, and PISA is conducted in the same pot without purification of the macroinitiator. The spherical micelle and vesicle structures are also fixed using a crosslinkable monomer during PISA. RCMP-PISA is highly attractive as it is odorless and metal-free. The "one-pot" synthesis does not require the purification of the macroinitiator. RCMP-PISA can provide a practical approach to synthesize self-assemblies in non-polar media.
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Affiliation(s)
- Yichao Zheng
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459
| | - Hiroshi Niino
- Hiroshima R&D Center, Mitsubishi Chemical Corporation, 20-1 Miyuki-cho, Otake, Hiroshima, 739-0693, Japan
| | - Shunsuke Chatani
- Hiroshima R&D Center, Mitsubishi Chemical Corporation, 20-1 Miyuki-cho, Otake, Hiroshima, 739-0693, Japan
| | - Atsushi Goto
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore, 637459
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5
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Deng Z, Sun Y, Guan S, Chen A. Azobenzene-Containing Liquid Crystalline Twisted Ribbons via Polymerization-Induced Hierarchical Self-Assembly. Macromol Rapid Commun 2023; 44:e2300361. [PMID: 37534616 DOI: 10.1002/marc.202300361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/01/2023] [Indexed: 08/04/2023]
Abstract
Polymerization-induced self-assembly incorporating liquid crystallization, as a polymerization-induced hierarchical self-assembly (PIHSA) method to produce polymeric particles with anisotropic morphologies facilely and efficiently, has drawn wide attention recently. However, the means of regulating the morphologies of liquid crystalline (LC) polymer assemblies still need to be explored. Herein, a route is presented to fabricate the twisted ribbons via PIHSA containing azobenzene based on poor reversible addition-fragmentation chain transfer (RAFT) control, called poorly controlled PIHSA. Cyano-4-(dodecylsulfanylthiocarbonyl)sulfanyl pentanoic acid-2-(2-pyridyldithio) ethyl ester is used as the RAFT agent with poor controllability, and the morphological evolution from ribbons to twisted ribbons can be observed in the corresponding PIHSA system. The formation mechanism of the twisted ribbons is studied systematically and the broad molecular weight distribution is considered to be the decisive factor. Moreover, the supramolecular chirality induced by symmetry breaking is also related to the twist of the ribbons. This study enriches the methods of controlling the morphologies of LC polymer particles and is helpful for further clarifying the mechanism of PIHSA.
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Affiliation(s)
- Zichao Deng
- School of Materials Science and Engineering, Beihang University, Beijing, 100191, China
| | - Yalan Sun
- School of Materials Science and Engineering, Beihang University, Beijing, 100191, China
| | - Song Guan
- School of Materials Science and Engineering, Beihang University, Beijing, 100191, China
| | - Aihua Chen
- School of Materials Science and Engineering, Beihang University, Beijing, 100191, China
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6
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Woods S, Tinkler JD, Bensabeh N, Palà M, Martin SJ, Martin-Fabiani I, Lligadas G, Hatton FL. Temperature-Responsive Lactic Acid-Based Nanoparticles by RAFT-Mediated Polymerization-Induced Self-Assembly in Water. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2023; 11:9979-9988. [PMID: 37448723 PMCID: PMC10337250 DOI: 10.1021/acssuschemeng.3c01112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 06/08/2023] [Indexed: 07/15/2023]
Abstract
This work demonstrates for the first-time biobased, temperature-responsive diblock copolymer nanoparticles synthesized by reversible addition-fragmentation chain-transfer (RAFT) aqueous emulsion polymerization-induced self-assembly (PISA). Here, monomers derived from green solvents of the lactic acid portfolio, N,N-dimethyl lactamide acrylate (DMLA) and ethyl lactate acrylate (ELA), were used. First, DMLA was polymerized by RAFT aqueous solution polymerization to produce a hydrophilic PDMLA macromolecular chain transfer agent (macro-CTA), which was chain extended with ELA in water to form amphiphilic PDMLA-b-PELA diblock copolymer nanoparticles by RAFT aqueous emulsion polymerization. PDMLAx homopolymers were synthesized targeting degrees of polymerization, DPx from 25 to 400, with relatively narrow molecular weight dispersities (Đ < 1.30). The PDMLA64-b-PELAy diblock copolymers (DPy = 10-400) achieved dispersities, Đ, between 1.18 and 1.54 with two distinct glass transition temperatures (Tg) identified by differential scanning calorimetry (DSC). Tg(1) (7.4 to 15.7 °C) representative of PELA and Tg(2) (69.1 to 79.7 °C) of PDMLA. Dynamic light scattering (DLS) studies gave particle z-average diameters between 11 and 74 nm (PDI = 0.04 to 0.20). Atomic force microscopy (AFM) showed evidence of spherical particles when dispersions were dried at ∼5 °C and film formation when dried at room temperature. Many of these polymers exhibited a reversible lower critical solution temperature (LCST) in water with a concomitant increase in z-average diameter for the PDMLA-b-PELA diblock copolymer nanoparticles.
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Affiliation(s)
- Sarah
E. Woods
- Department
of Materials, Loughborough University, Loughborough LE11 3TU, United Kingdom
| | - James David Tinkler
- Department
of Materials, Loughborough University, Loughborough LE11 3TU, United Kingdom
| | - Nabil Bensabeh
- Laboratory
of Sustainable Polymers, Department of Analytical Chemistry and Organic
Chemistry, University Rovira i Virgili, 43007 Tarragona, Spain
| | - Marc Palà
- Laboratory
of Sustainable Polymers, Department of Analytical Chemistry and Organic
Chemistry, University Rovira i Virgili, 43007 Tarragona, Spain
| | - Simon J. Martin
- Department
of Materials, Loughborough University, Loughborough LE11 3TU, United Kingdom
| | | | - Gerard Lligadas
- Laboratory
of Sustainable Polymers, Department of Analytical Chemistry and Organic
Chemistry, University Rovira i Virgili, 43007 Tarragona, Spain
| | - Fiona L. Hatton
- Department
of Materials, Loughborough University, Loughborough LE11 3TU, United Kingdom
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7
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Qiu L, Han X, Xing C, Glebe U. Polymerization-Induced Self-Assembly: An Emerging Tool for Generating Polymer-Based Biohybrid Nanostructures. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2207457. [PMID: 36737834 DOI: 10.1002/smll.202207457] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/04/2023] [Indexed: 05/04/2023]
Abstract
The combination of biomolecules and synthetic polymers provides an easy access to utilize advantages from both the synthetic world and nature. This is not only important for the development of novel innovative materials, but also promotes the application of biomolecules in various fields including medicine, catalysis, and water treatment, etc. Due to the rapid progress in synthesis strategies for polymer nanomaterials and deepened understanding of biomolecules' structures and functions, the construction of advanced polymer-based biohybrid nanostructures (PBBNs) becomes prospective and attainable. Polymerization-induced self-assembly (PISA), as an efficient and versatile technique in obtaining polymeric nano-objects at high concentrations, has demonstrated to be an attractive alternative to existing self-assembly procedures. Those advantages induce the focus on the fabrication of PBBNs via the PISA technique. In this review, current preparation strategies are illustrated based on the PISA technique for achieving various PBBNs, including grafting-from and grafting-through methods, as well as encapsulation of biomolecules during and subsequent to the PISA process. Finally, advantages and drawbacks are discussed in the fabrication of PBBNs via the PISA technique and obstacles are identified that need to be overcome to enable commercial application.
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Affiliation(s)
- Liang Qiu
- Key Laboratory of Hebei Province for Molecular Biophysics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
- Institute of Biophysics, School of Science, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Xinyue Han
- Institute of Biophysics, School of Science, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Chengfen Xing
- Key Laboratory of Hebei Province for Molecular Biophysics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, Tianjin, 300401, P. R. China
| | - Ulrich Glebe
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476, Potsdam-Golm, Germany
- Fraunhofer Institute for Applied Polymer Research IAP, Geiselbergstr. 69, 14476, Potsdam-Golm, Germany
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8
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Clothier GKK, Guimarães TR, Thompson SW, Rho JY, Perrier S, Moad G, Zetterlund PB. Multiblock copolymer synthesis via RAFT emulsion polymerization. Chem Soc Rev 2023; 52:3438-3469. [PMID: 37093560 DOI: 10.1039/d2cs00115b] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
A multiblock copolymer is a polymer of a specific structure that consists of multiple covalently linked segments, each comprising a different monomer type. The control of the monomer sequence has often been described as the "holy grail" of synthetic polymer chemistry, with the ultimate goal being synthetic access to polymers of a "perfect" structure, where each monomeric building block is placed at a desired position along the polymer chain. Given that polymer properties are intimately linked to the microstructure and monomer distribution along the constituent chains, it goes without saying that there exist seemingly endless opportunities in terms of fine-tuning the properties of such materials by careful consideration of the length of each block, the number and order of blocks, and the inclusion of monomers with specific functional groups. The area of multiblock copolymer synthesis remains relatively unexplored, in particular with regard to structure-property relationships, and there are currently significant opportunities for the design and synthesis of advanced materials. The present review focuses on the synthesis of multiblock copolymers via reversible addition-fragmentation chain transfer (RAFT) polymerization implemented as aqueous emulsion polymerization. RAFT emulsion polymerization offers intriguing opportunities not only for the advanced synthesis of multiblock copolymers, but also provides access to polymeric nanoparticles of specific morphologies. Precise multiblock copolymer synthesis coupled with self-assembly offers material morphology control on length scales ranging from a few nanometers to a micrometer. It is imperative that polymer chemists interact with physicists and material scientists to maximize the impact of these materials of the future.
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Affiliation(s)
- Glenn K K Clothier
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia.
| | - Thiago R Guimarães
- MACROARC, Queensland University of Technology, Brisbane City, QLD 4000, Australia
| | - Steven W Thompson
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia.
| | - Julia Y Rho
- Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | - Sébastien Perrier
- Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
- Department of Chemistry, University of Warwick, Coventry, CV4 7AL, UK
- Faculty of Pharmacy and Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Graeme Moad
- CSIRO Manufacturing, Bag 10, Clayton South, VIC 3169, Australia
| | - Per B Zetterlund
- Cluster for Advanced Macromolecular Design (CAMD), School of Chemical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia.
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9
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El Yousfi R, Brahmi M, Dalli M, Achalhi N, Azougagh O, Tahani A, Touzani R, El Idrissi A. Recent Advances in Nanoparticle Development for Drug Delivery: A Comprehensive Review of Polycaprolactone-Based Multi-Arm Architectures. Polymers (Basel) 2023; 15:polym15081835. [PMID: 37111982 PMCID: PMC10142392 DOI: 10.3390/polym15081835] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/28/2023] [Accepted: 04/03/2023] [Indexed: 04/29/2023] Open
Abstract
Controlled drug delivery is a crucial area of study for improving the targeted availability of drugs; several polymer systems have been applied for the formulation of drug delivery vehicles, including linear amphiphilic block copolymers, but with some limitations manifested in their ability to form only nanoaggregates such as polymersomes or vesicles within a narrow range of hydrophobic/hydrophilic balance, which can be problematic. For this, multi-arm architecture has emerged as an efficient alternative that overcame these challenges, with many interesting advantages such as reducing critical micellar concentrations, producing smaller particles, allowing for various functional compositions, and ensuring prolonged and continuous drug release. This review focuses on examining the key variables that influence the customization of multi-arm architecture assemblies based on polycaprolactone and their impact on drug loading and delivery. Specifically, this study focuses on the investigation of the structure-property relationships in these formulations, including the thermal properties presented by this architecture. Furthermore, this work will emphasize the importance of the type of architecture, chain topology, self-assembly parameters, and comparison between multi-arm structures and linear counterparts in relation to their impact on their performance as nanocarriers. By understanding these relationships, more effective multi-arm polymers can be designed with appropriate characteristics for their intended applications.
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Affiliation(s)
- Ridouan El Yousfi
- Laboratory Applied Chemistry and Environmental (LCAE-URAC18), Faculty of Sciences of Oujda, University Mohamed Premier, Oujda 60000, Morocco
| | - Mohamed Brahmi
- Physical Chemistry of Natural Substances and Process Team, Laboratory of Applied Chemistry and Environment (LCAE-CPSUNAP), Department of Chemistry, Faculty of Sciences, University Mohamed Premier, Oujda 60000, Morocco
| | - Mohammed Dalli
- Laboratory of Microbiology, Faculty of Medicine and Pharmacy, University Mohamed Premier, Oujda 60000, Morocco
| | - Nafea Achalhi
- Laboratory Applied Chemistry and Environmental (LCAE-URAC18), Faculty of Sciences of Oujda, University Mohamed Premier, Oujda 60000, Morocco
| | - Omar Azougagh
- Laboratory of Molecular Chemistry, Materials and Environment (LMCME), Department of Chemistry, Faculty Multidisciplinary Nador, University Mohamed Premier, P. B. 300, Nador 62700, Morocco
| | - Abdesselam Tahani
- Physical Chemistry of Natural Substances and Process Team, Laboratory of Applied Chemistry and Environment (LCAE-CPSUNAP), Department of Chemistry, Faculty of Sciences, University Mohamed Premier, Oujda 60000, Morocco
| | - Rachid Touzani
- Laboratory Applied Chemistry and Environmental (LCAE-URAC18), Faculty of Sciences of Oujda, University Mohamed Premier, Oujda 60000, Morocco
| | - Abderrahmane El Idrissi
- Laboratory Applied Chemistry and Environmental (LCAE-URAC18), Faculty of Sciences of Oujda, University Mohamed Premier, Oujda 60000, Morocco
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10
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Shape-Shifting Thermoresponsive Block Copolymer Nano-Objects. J Colloid Interface Sci 2023; 634:906-920. [PMID: 36566636 DOI: 10.1016/j.jcis.2022.12.080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022]
Abstract
In this Feature Article, we review our recent progress in the design of shape-shifting thermoresponsive diblock copolymer nano-objects, which are prepared using various hydroxyl-functional (meth)acrylic monomers (e.g. 2‑hydroxypropyl methacrylate, 4‑hydroxybutyl acrylate or hydroxybutyl methacrylate) to generate the thermoresponsive block. Unlike traditional thermoresponsive polymers such as poly(N-isopropylacrylamide), there is no transition between soluble and insoluble polymer chains in aqueous solution. Instead, thermally driven transitions between a series of copolymer morphologies (e.g. spheres, worms, vesicles or lamellae) occur on adjusting the aqueous solution temperature owing to a subtle change in the partial degree of hydration of the permanently insoluble thermoresponsive block. Such remarkable self-assembly behavior is unprecedented in colloid science: no other amphiphilic diblock copolymer or surfactant system undergoes such behavior at a fixed chemical composition and concentration. Such shape-shifting nano-objects are characterized by transmission electron microscopy, dynamic light scattering, small-angle X-ray scattering, rheology and variable temperature 1H NMR spectroscopy. Potential applications for this fascinating new class of amphiphiles are briefly considered.
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11
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Audureau N, Coumes F, Guigner JM, Guibert C, Stoffelbach F, Rieger J. Dual Thermo- and pH-Responsive N-Cyanomethylacrylamide-Based Nano-Objects Prepared by RAFT-Mediated Aqueous Polymerization-Induced Self-Assembly. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Nicolas Audureau
- Sorbonne Université & CNRS, UMR 8232, Institut Parisien de Chimie Moléculaire (IPCM), Polymer Chemistry Team, 4 Place Jussieu, 75252 Paris Cedex 05, France
| | - Fanny Coumes
- Sorbonne Université & CNRS, UMR 8232, Institut Parisien de Chimie Moléculaire (IPCM), Polymer Chemistry Team, 4 Place Jussieu, 75252 Paris Cedex 05, France
| | - Jean-Michel Guigner
- Sorbonne Université & CNRS, UMR 7590, Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC)-IRD-MNHN, 75252 Paris Cedex 05, France
| | - Clément Guibert
- Sorbonne Université & CNRS, UMR 7197, Laboratoire de Réactivité de Surface (LRS), 4 Place Jussieu, 75252 Paris Cedex 05, France
| | - François Stoffelbach
- Sorbonne Université & CNRS, UMR 8232, Institut Parisien de Chimie Moléculaire (IPCM), Polymer Chemistry Team, 4 Place Jussieu, 75252 Paris Cedex 05, France
| | - Jutta Rieger
- Sorbonne Université & CNRS, UMR 8232, Institut Parisien de Chimie Moléculaire (IPCM), Polymer Chemistry Team, 4 Place Jussieu, 75252 Paris Cedex 05, France
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12
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Zhang W, Chang Z, Bai W, Hong C. Greatly Enhanced Accessibility and Reproducibility of Worm‐like Micelles by In Situ Crosslinking Polymerization‐Induced Self‐Assembly. Angew Chem Int Ed Engl 2022; 61:e202211792. [DOI: 10.1002/anie.202211792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Wen‐Jian Zhang
- Institute of Physical Science and Information Technology Anhui University Hefei 230601, Anhui P. R. China
- Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026, Anhui P. R. China
- Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province Anhui University Hefei 230601, Anhui P. R. China
| | - Zi‐Xuan Chang
- Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026, Anhui P. R. China
| | - Wei Bai
- Institute of Physical Science and Information Technology Anhui University Hefei 230601, Anhui P. R. China
- Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province Anhui University Hefei 230601, Anhui P. R. China
| | - Chun‐Yan Hong
- Department of Polymer Science and Engineering University of Science and Technology of China Hefei 230026, Anhui P. R. China
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13
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Zhang WJ, Chang ZX, Bai W, Hong CY. Greatly Enhanced Accessibility and Reproducibility of Worm‐like Micelles by in situ Crosslinking Polymerization‐Induced Self‐Assembly. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202211792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wen-Jian Zhang
- Anhui University Institute of Physical Science and Information Technology 合肥 CHINA
| | - Zi-Xuan Chang
- University of Science and Technology of China Department of Polymer Science and Engineering CHINA
| | - Wei Bai
- Anhui University Institute of Physical Science and Information Technology CHINA
| | - Chun-Yan Hong
- University of Science and Technology of China Department of Polymer Science and Engineering Jinzhai Road 96 230026 Hefei CHINA
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14
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Baulu N, Langlais M, Dugas P, Thuilliez J, Jean‐Baptiste‐dit‐Dominique F, Lansalot M, Boisson C, D'Agosto F. Ethylene‐Coordinative Chain‐Transfer Polymerization‐Induced Self‐Assembly (CCTPISA). Chemistry 2022; 28:e202202089. [DOI: 10.1002/chem.202202089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Nicolas Baulu
- Université Lyon 1 CPE Lyon CNRS UMR 5128 Laboratoire CP2M Équipe PCM 43 Bd du 11 Nov. 1918 69616 Villeurbanne, CEDEX France
- Manufacture des pneumatiques Michelin 23 Place des Carmes Dechaux 63040 Clermont-Ferrand France
| | - Marvin Langlais
- Université Lyon 1 CPE Lyon CNRS UMR 5128 Laboratoire CP2M Équipe PCM 43 Bd du 11 Nov. 1918 69616 Villeurbanne, CEDEX France
- ChemistLab Michelin CP2M ICBMS joint Laboratory 43 Bd du 11 Nov. 1918 69616 Villeurbanne France
| | - Pierre‐Yves Dugas
- Université Lyon 1 CPE Lyon CNRS UMR 5128 Laboratoire CP2M Équipe PCM 43 Bd du 11 Nov. 1918 69616 Villeurbanne, CEDEX France
| | - Julien Thuilliez
- Manufacture des pneumatiques Michelin 23 Place des Carmes Dechaux 63040 Clermont-Ferrand France
| | - François Jean‐Baptiste‐dit‐Dominique
- Manufacture des pneumatiques Michelin 23 Place des Carmes Dechaux 63040 Clermont-Ferrand France
- ChemistLab Michelin CP2M ICBMS joint Laboratory 43 Bd du 11 Nov. 1918 69616 Villeurbanne France
| | - Muriel Lansalot
- Université Lyon 1 CPE Lyon CNRS UMR 5128 Laboratoire CP2M Équipe PCM 43 Bd du 11 Nov. 1918 69616 Villeurbanne, CEDEX France
| | - Christophe Boisson
- Université Lyon 1 CPE Lyon CNRS UMR 5128 Laboratoire CP2M Équipe PCM 43 Bd du 11 Nov. 1918 69616 Villeurbanne, CEDEX France
- ChemistLab Michelin CP2M ICBMS joint Laboratory 43 Bd du 11 Nov. 1918 69616 Villeurbanne France
| | - Franck D'Agosto
- Université Lyon 1 CPE Lyon CNRS UMR 5128 Laboratoire CP2M Équipe PCM 43 Bd du 11 Nov. 1918 69616 Villeurbanne, CEDEX France
- ChemistLab Michelin CP2M ICBMS joint Laboratory 43 Bd du 11 Nov. 1918 69616 Villeurbanne France
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15
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Neal TJ, Penfold NJW, Armes SP. Reverse Sequence Polymerization‐Induced Self‐Assembly in Aqueous Media. Angew Chem Int Ed Engl 2022; 61:e202207376. [PMID: 35678548 PMCID: PMC9541501 DOI: 10.1002/anie.202207376] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Indexed: 11/06/2022]
Abstract
We report a new aqueous polymerization‐induced self‐assembly (PISA) formulation that enables the hydrophobic block to be prepared first when targeting diblock copolymer nano‐objects. This counter‐intuitive reverse sequence approach uses an ionic reversible addition–fragmentation chain transfer (RAFT) agent for the RAFT aqueous dispersion polymerization of 2‐hydroxypropyl methacrylate (HPMA) to produce charge‐stabilized latex particles. Chain extension using a water‐soluble methacrylic, acrylic or acrylamide comonomer then produces sterically stabilized diblock copolymer nanoparticles in an aqueous one‐pot formulation. In each case, the monomer diffuses into the PHPMA particles, which act as the locus for the polymerization. A remarkable change in morphology occurs as the ≈600 nm latex is converted into much smaller sterically stabilized diblock copolymer nanoparticles, which exhibit thermoresponsive behavior. Such reverse sequence PISA formulations enable the efficient synthesis of new functional diblock copolymer nanoparticles.
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Affiliation(s)
- Thomas J. Neal
- Department or Chemistry The University of Sheffield Brook Hill, Sheffield, South Yorkshire S3 7HF UK
| | - Nicholas J. W. Penfold
- Department or Chemistry The University of Sheffield Brook Hill, Sheffield, South Yorkshire S3 7HF UK
| | - Steven P. Armes
- Department or Chemistry The University of Sheffield Brook Hill, Sheffield, South Yorkshire S3 7HF UK
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16
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Neal TJ, Penfold NJW, Armes SP. Reverse Sequence Polymerization‐Induced Self‐Assembly in Aqueous Media. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Thomas J. Neal
- Department or Chemistry The University of Sheffield Brook Hill, Sheffield, South Yorkshire S3 7HF UK
| | - Nicholas J. W. Penfold
- Department or Chemistry The University of Sheffield Brook Hill, Sheffield, South Yorkshire S3 7HF UK
| | - Steven P. Armes
- Department or Chemistry The University of Sheffield Brook Hill, Sheffield, South Yorkshire S3 7HF UK
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17
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Zheng M, Ye Q, Chen X, Zeng M, Song G, Zhang J, Yuan J. In situ generation and evolution of polymer toroids by liquid crystallization-assisted seeded dispersion polymerization. Chem Commun (Camb) 2022; 58:6922-6925. [PMID: 35635333 DOI: 10.1039/d1cc06709e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
An effective method is presented for preparing high solid content azobenzene-containing triblock copolymer toroidal assemblies by liquid crystallization-assisted seeded dispersion polymerization. Vesicles are prepared via polymerization-induced self-assembly (PISA), and used as seeds for further chain extension. By introducing smectic liquid crystalline (LC) ordering into the core-forming block, toroids are formed in situ during the polymerization. The morphological transformation from toroids to barrels is observed under ultraviolet irradiation due to the photo-isomerization of the azobenzene mesogens. This strategy expands the scope of tunable anisotropic morphologies for potential functional nanomaterials based on a LC copolymer by seeded dispersion polymerization.
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Affiliation(s)
- Mingxin Zheng
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
| | - Qiquan Ye
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
| | - Xi Chen
- School of Materials Science and Engineering, Chang'an University, Xi'an 710061, P. R. China
| | - Min Zeng
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
| | - Guangjie Song
- CAS Key Laboratory of Engineering Plastics and CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China
| | - Jun Zhang
- CAS Key Laboratory of Engineering Plastics and CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing 100190, P. R. China
| | - Jinying Yuan
- Key Lab of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China.
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18
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Zhang J, Jiang J, Lin S, Cornel EJ, Li C, Du J. Polymersomes: from macromolecular self‐assembly to particle assembly. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200182] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jiamin Zhang
- Department of Polymeric Materials School of Materials Science and Engineering, Tongji University 4800 Caoan Road Shanghai 201804 China
| | - Jinhui Jiang
- Department of Polymeric Materials School of Materials Science and Engineering, Tongji University 4800 Caoan Road Shanghai 201804 China
| | - Sha Lin
- Department of Polymeric Materials School of Materials Science and Engineering, Tongji University 4800 Caoan Road Shanghai 201804 China
| | - Erik Jan Cornel
- Department of Polymeric Materials School of Materials Science and Engineering, Tongji University 4800 Caoan Road Shanghai 201804 China
| | - Chang Li
- Department of Polymeric Materials School of Materials Science and Engineering, Tongji University 4800 Caoan Road Shanghai 201804 China
| | - Jianzhong Du
- Department of Polymeric Materials School of Materials Science and Engineering, Tongji University 4800 Caoan Road Shanghai 201804 China
- Department of Gynaecology and Obstetrics, Shanghai Fourth People's Hospital, School of Medicine Tongji University Shanghai 200434 China
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19
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Polymeric Nanocomposites based on High Aspect Ratio Polymer Fillers: Simultaneous Improvement in Tensile Strength and Stretchability. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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20
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Wen SP, Fielding LA. Pyridine-functional diblock copolymer nanoparticles synthesized via RAFT-mediated polymerization-induced self-assembly: effect of solution pH. SOFT MATTER 2022; 18:1385-1394. [PMID: 35084008 DOI: 10.1039/d1sm01793d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Polymerization-induced self-assembly (PISA) via reversible addition-fragmentation chain transfer (RAFT) polymerization has become widely recognized as a versatile and efficient strategy to prepare complex block copolymer nanoparticles with controlled morphology, size, and surface functionality. In this article, we report the preparation of cationic sterically-stabilized poly(2-vinylpyridine)-poly(benzyl methacrylate) (P2VP-PBzMA) diblock copolymer nanoparticles via RAFT-mediated PISA under aqueous emulsion polymerization conditions. It is demonstrated that the solution pH during PISA has a dramatic effect on the resulting P2VP-PBzMA nanoparticles, as judged by dynamic light scattering (DLS), disc centrifuge photosedimentometry (DCP) and transmission electron microscopy (TEM). Varying the solution pH results in the P2VP stabilizer having different solubilities due to protonation/deprotonation of the pyridine groups. This allows P2VP-PBzMA nanoparticles with tunable diameters to be prepared by altering the DP of the stabilizer (P2VP) and/or core-forming block (PBzMA), or simply by changing the solution pH for a fixed copolymer composition. For example, P2VP-PBzMA nanoparticles with larger diameters can be obtained at higher solution pH as the protonation degree of the P2VP stabilizer has a large effect on both the aggregation of polymer chains during the PISA process, and the resulting behavior of the diblock copolymer nanoparticles. Changing the dispersion pH post-polymerization has a relatively limited effect on particle diameter. Furthermore, aqueous electrophoresis studies indicate that these P2VP-PBzMA nanoparticles had good colloidal stability and high cationic charge (>30 mV) below pH 5 and can be dispersed readily over a wide pH range.
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Affiliation(s)
- Shang-Pin Wen
- Department of Materials, School of Natural Sciences, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
| | - Lee A Fielding
- Department of Materials, School of Natural Sciences, University of Manchester, Oxford Road, Manchester, M13 9PL, UK.
- Henry Royce Institute, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK
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21
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Parkatzidis K, Truong NP, Rolland M, Lutz-Bueno V, Pilkington EH, Mezzenga R, Anastasaki A. Transformer-Induced Metamorphosis of Polymeric Nanoparticle Shape at Room Temperature. Angew Chem Int Ed Engl 2022; 61:e202113424. [PMID: 35014134 PMCID: PMC9303452 DOI: 10.1002/anie.202113424] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Indexed: 11/30/2022]
Abstract
Controlled polymerizations have enabled the production of nanostructured materials with different shapes, each exhibiting distinct properties. Despite the importance of shape, current morphological transformation strategies are limited in polymer scope, alter the chemical structure, require high temperatures, and are fairly tedious. Herein we present a rapid and versatile morphological transformation strategy that operates at room temperature and does not impair the chemical structure of the constituent polymers. By simply adding a molecular transformer to an aqueous dispersion of polymeric nanoparticles, a rapid evolution to the next higher‐order morphology was observed, yielding a range of morphologies from a single starting material. Significantly, this approach can be applied to nanoparticles produced by disparate block copolymers obtained by various synthetic techniques including emulsion polymerization, polymerization‐induced self‐assembly and traditional solution self‐assembly.
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Affiliation(s)
- Kostas Parkatzidis
- Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich, 8093, Switzerland
| | - Nghia P Truong
- Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich, 8093, Switzerland.,Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Manon Rolland
- Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich, 8093, Switzerland
| | - Viviane Lutz-Bueno
- Department of Health Sciences and Technology, ETH Zurich, Zurich, 8092, Switzerland
| | - Emily H Pilkington
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria 3052, Australia
| | - Raffaele Mezzenga
- Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich, 8093, Switzerland.,Department of Health Sciences and Technology, ETH Zurich, Zurich, 8092, Switzerland
| | - Athina Anastasaki
- Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich, 8093, Switzerland
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22
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Parkatzidis K, Truong NP, Rolland M, Lutz‐Bueno V, Pilkington EH, Mezzenga R, Anastasaki A. Transformer‐Induced Metamorphosis of Polymeric Nanoparticle Shape at Room Temperature. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kostas Parkatzidis
- Laboratory of Polymeric Materials Department of Materials ETH Zurich Vladimir-Prelog-Weg 5 Zurich 8093 Switzerland
| | - Nghia P. Truong
- Laboratory of Polymeric Materials Department of Materials ETH Zurich Vladimir-Prelog-Weg 5 Zurich 8093 Switzerland
- Monash Institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Manon Rolland
- Laboratory of Polymeric Materials Department of Materials ETH Zurich Vladimir-Prelog-Weg 5 Zurich 8093 Switzerland
| | - Viviane Lutz‐Bueno
- Department of Health Sciences and Technology ETH Zurich Zurich 8092 Switzerland
| | - Emily H. Pilkington
- Monash Institute of Pharmaceutical Sciences Monash University Parkville Victoria 3052 Australia
| | - Raffaele Mezzenga
- Laboratory of Polymeric Materials Department of Materials ETH Zurich Vladimir-Prelog-Weg 5 Zurich 8093 Switzerland
- Department of Health Sciences and Technology ETH Zurich Zurich 8092 Switzerland
| | - Athina Anastasaki
- Laboratory of Polymeric Materials Department of Materials ETH Zurich Vladimir-Prelog-Weg 5 Zurich 8093 Switzerland
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23
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Oh XY, Sakar J, Cham N, Er GTK, Pan HM, Goto A. Self-catalyzed synthesis of a nano-capsule and its application as a heterogeneous RCMP catalyst and nano-reactor. Polym Chem 2022. [DOI: 10.1039/d2py01086k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
A nano-capsule synthesized via self-catalyzed RCMP and its use as a heterogeneous catalyst and a nano-reactor of RCMP to generate a multi-elemental particle.
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Affiliation(s)
- Xin Yi Oh
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, 637459 Singapore
| | - Jit Sakar
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, 637459 Singapore
| | - Ning Cham
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, 637459 Singapore
| | - Gerald Tze Kwang Er
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, 637459 Singapore
| | - Houwen Matthew Pan
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, 637459 Singapore
| | - Atsushi Goto
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, 637459 Singapore
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24
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Beattie DL, Deane OJ, Mykhaylyk OO, Armes SP. RAFT aqueous dispersion polymerization of 4-hydroxybutyl acrylate: effect of end-group ionization on the formation and colloidal stability of sterically-stabilized diblock copolymer nanoparticles. Polym Chem 2022. [DOI: 10.1039/d1py01562a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Poly(2-hydroxyethyl acrylate)-poly(4-hydroxybutyl acrylate) nano-objects are prepared by aqueous polymerization-induced self-assembly (PISA) using an ionic RAFT agent.
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Affiliation(s)
- Deborah L. Beattie
- Dainton Building, Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire, S3 7HF, UK
| | - Oliver J. Deane
- Dainton Building, Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire, S3 7HF, UK
| | - Oleksandr O. Mykhaylyk
- Dainton Building, Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire, S3 7HF, UK
| | - Steven P. Armes
- Dainton Building, Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire, S3 7HF, UK
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25
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Tenhu H, Baddam V, Välinen L, Kuckling L. Morphological transitions of cationic PISA particles by salt, triflate ions and temperature; comparison of three polycations. Polym Chem 2022. [DOI: 10.1039/d2py00301e] [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
Three strong polycation stabilizers, poly((vinylbenzyl) trimethylammonium chloride), PVBTMAC, poly((2-(methacryloyloxy)ethyl)trimethylammonium chloride), PMOTAC, and poly((3-acrylamidopropyl) trimethylammonium chloride), PAMPTMAC have been synthesized with reversible addition-fragmentation chain transfer, RAFT, reactions. Solubilities of the polycations...
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26
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Sarkar J, Lim YF, Goto A. Synthesis of Biologically Decomposable Terpolymer Nanocapsules and Higher‐Order Nanoassemblies Using RCMP‐PISA. MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202100349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Jit Sarkar
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Nanyang 637371 Singapore
| | - Ying Faye Lim
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Nanyang 637371 Singapore
| | - Atsushi Goto
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Nanyang 637371 Singapore
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27
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Synthesis of block copolymers used in polymersome fabrication: Application in drug delivery. J Control Release 2021; 341:95-117. [PMID: 34774891 DOI: 10.1016/j.jconrel.2021.11.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 11/05/2021] [Accepted: 11/06/2021] [Indexed: 01/03/2023]
Abstract
Amphiphilic block copolymers are common materials used for the fabrication of various nanostructures with biomedical applications including nanocapsules, nanospheres, micelles and polymeric vesicles. According to the literature, polymersomes have several advantages compared to other nanostructures used as drug delivery systems comprising better stability, facile synthesis, prolonged circulation time, and passive/active targeting capability. Various types of nanoparticles are formed by varying the ratio of the hydrophobic/hydrophilic blocks. Changing hydrophobic/hydrophilic ratio of amphiphilic block copolymers has an impact on the structural characteristics of polymers such as changing molecular weight and surface functionalization of the block copolymer. Thus, polymerization strategies are an important factor that influences polymersomes quality. In this review, different polymerization strategies for the synthesis of block copolymers applied in polymersomes formation, are described.
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28
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Gao Y, Xiang Z, Zhao X, Wang G, Qi C. Pickering Emulsions Stabilized by Diblock Copolymer Worms Prepared via Reversible Addition-Fragmentation Chain Transfer Aqueous Dispersion Polymerization: How Does the Stimulus Sensitivity Affect the Rate of Demulsification? LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:11695-11706. [PMID: 34579524 DOI: 10.1021/acs.langmuir.1c01609] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Responsive Pickering emulsions exhibit promising application in industry owing to the integration of the high storage stability with on-demand demulsification. In this study, stimuli-responsive Pickering emulsions stabilized by poly[oligo(ethylene glycol) methyl ether methacrylate]15-b-poly(diacetone acrylamide)120 (E15D120) worms were indicated, in which E15D120 worms were prepared via reversible addition-fragmentation chain transfer-based aqueous dispersion polymerization using thermo-sensitive POEGMA15 as both the stabilizer block and macro-chain transfer agent. The factors influencing the morphologies of copolymers during polymerization-induced self assembly have been investigated. A series of different morphological polymer nanoparticles including spheres, worms, and vesicles could be produced through rational synthesis. E15D120 worms demonstrated excellent emulsifying performances and could be used as emulsifiers to form n-dodecane-in-water Pickering emulsions at a low content. The formed n-dodecane-in-water Pickering emulsions revealed a slow demulsification at pH 10 or 70 °C or pH 10/70 °C combinations, and several hours were needed for the demulsification of Pickering emulsions. However, n-dodecane-in-water Pickering emulsions displayed a rapid demulsification (∼10 min) at an elevated temperature, such as 90 °C. The different demulsification rates were attributed to different sensitivities of E15D120 worms to external stimuli. Pickering emulsions integrating a rapid responsive demulsification with a slow one would be well satisfactory on different occasions.
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Affiliation(s)
- Yong Gao
- Key Laboratory of Alternative Technologies for Fine Chemicals Process of Zhejiang Province, College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, Zhejiang 312000, China
- College of Chemistry and Key Lab of Environment-Friendly Chemistry and Application in Ministry of Education; Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, Key Laboratory of Advanced Functional Polymeric Materials of College of Hunan Province, Xiangtan University, Xiangtan, Hunan Province 411105, China
| | - Zhe Xiang
- College of Chemistry and Key Lab of Environment-Friendly Chemistry and Application in Ministry of Education; Key Laboratory of Polymeric Materials & Application Technology of Hunan Province, Key Laboratory of Advanced Functional Polymeric Materials of College of Hunan Province, Xiangtan University, Xiangtan, Hunan Province 411105, China
| | - Xi Zhao
- Key Laboratory of Alternative Technologies for Fine Chemicals Process of Zhejiang Province, College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, Zhejiang 312000, China
- College of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, Hunan Province 414006, China
| | - Guoxiang Wang
- College of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, Hunan Province 414006, China
| | - Chenze Qi
- Key Laboratory of Alternative Technologies for Fine Chemicals Process of Zhejiang Province, College of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing, Zhejiang 312000, China
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29
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Raphael E, Derry MJ, Hippler M, Armes SP. Tuning the properties of hydrogen-bonded block copolymer worm gels prepared via polymerization-induced self-assembly. Chem Sci 2021; 12:12082-12091. [PMID: 34667573 PMCID: PMC8457373 DOI: 10.1039/d1sc03156b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 08/04/2021] [Indexed: 12/19/2022] Open
Abstract
Polymerization-induced self-assembly (PISA) is exploited to design hydrogen-bonded poly(stearyl methacrylate)-poly(benzyl methacrylate) [PSMA-PBzMA] worm gels in n-dodecane. Using a carboxylic acid-based RAFT agent facilitates hydrogen bonding between neighboring worms to produce much stronger physical gels than those prepared using the analogous methyl ester-based RAFT agent. Moreover, tuning the proportion of these two types of end-groups on the PSMA chains enables the storage modulus (G') of a 20% w/w worm gel to be tuned from ∼4.5 kPa up to ∼114 kPa. This is achieved via two complementary routes: (i) an in situ approach using binary mixtures of acid- and ester-capped PSMA stabilizer chains during PISA or (ii) a post-polymerization processing strategy using a thermally-induced worm-to-sphere transition to mix acid- and ester-functionalized spheres at 110 °C that fuse to form worms on cooling to 20 °C. SAXS and rheology studies of these hydrogen-bonded worm gels provide detailed insights into their inter-worm interactions and physical behavior, respectively. In the case of the carboxylic acid-functionalized worms, SAXS provides direct evidence for additional inter-worm interactions, while rheological studies confirm both a significant reduction in critical gelation concentration (from approximately 10% w/w to 2-3% w/w) and a substantial increase in critical gelation temperature (from 41 °C to 92 °C). It is remarkable that a rather subtle change in the chemical structure results in such improvements in gel strength, gelation efficiency and gel cohesion.
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Affiliation(s)
- Eleanor Raphael
- Chemistry Department, University of Sheffield Dainton Building, Brook Hill Sheffield South Yorkshire S3 7HF UK
| | - Matthew J Derry
- Chemistry Department, University of Sheffield Dainton Building, Brook Hill Sheffield South Yorkshire S3 7HF UK
| | - Michael Hippler
- Chemistry Department, University of Sheffield Dainton Building, Brook Hill Sheffield South Yorkshire S3 7HF UK
| | - Steven P Armes
- Chemistry Department, University of Sheffield Dainton Building, Brook Hill Sheffield South Yorkshire S3 7HF UK
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30
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Karayianni M, Pispas S. Block copolymer solution self‐assembly: Recent advances, emerging trends, and applications. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210430] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Maria Karayianni
- Theoretical and Physical Chemistry Institute National Hellenic Research Foundation Athens Greece
| | - Stergios Pispas
- Theoretical and Physical Chemistry Institute National Hellenic Research Foundation Athens Greece
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31
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Soheilmoghaddam F, Rumble M, Cooper-White J. High-Throughput Routes to Biomaterials Discovery. Chem Rev 2021; 121:10792-10864. [PMID: 34213880 DOI: 10.1021/acs.chemrev.0c01026] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Many existing clinical treatments are limited in their ability to completely restore decreased or lost tissue and organ function, an unenviable situation only further exacerbated by a globally aging population. As a result, the demand for new medical interventions has increased substantially over the past 20 years, with the burgeoning fields of gene therapy, tissue engineering, and regenerative medicine showing promise to offer solutions for full repair or replacement of damaged or aging tissues. Success in these fields, however, inherently relies on biomaterials that are engendered with the ability to provide the necessary biological cues mimicking native extracellular matrixes that support cell fate. Accelerating the development of such "directive" biomaterials requires a shift in current design practices toward those that enable rapid synthesis and characterization of polymeric materials and the coupling of these processes with techniques that enable similarly rapid quantification and optimization of the interactions between these new material systems and target cells and tissues. This manuscript reviews recent advances in combinatorial and high-throughput (HT) technologies applied to polymeric biomaterial synthesis, fabrication, and chemical, physical, and biological screening with targeted end-point applications in the fields of gene therapy, tissue engineering, and regenerative medicine. Limitations of, and future opportunities for, the further application of these research tools and methodologies are also discussed.
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Affiliation(s)
- Farhad Soheilmoghaddam
- Tissue Engineering and Microfluidics Laboratory (TEaM), Australian Institute for Bioengineering and Nanotechnology (AIBN), University Of Queensland, St. Lucia, Queensland, Australia 4072.,School of Chemical Engineering, University Of Queensland, St. Lucia, Queensland, Australia 4072
| | - Madeleine Rumble
- Tissue Engineering and Microfluidics Laboratory (TEaM), Australian Institute for Bioengineering and Nanotechnology (AIBN), University Of Queensland, St. Lucia, Queensland, Australia 4072.,School of Chemical Engineering, University Of Queensland, St. Lucia, Queensland, Australia 4072
| | - Justin Cooper-White
- Tissue Engineering and Microfluidics Laboratory (TEaM), Australian Institute for Bioengineering and Nanotechnology (AIBN), University Of Queensland, St. Lucia, Queensland, Australia 4072.,School of Chemical Engineering, University Of Queensland, St. Lucia, Queensland, Australia 4072
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Ramezanpour M, Rezaee Shirin-Abadi A. Emulsion polymerization using three types of RAFT prepared well-defined cationic polymeric stabilizers based on 2-dimethylaminoethyl methacrylate (DMAEMA): a comparative study. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04836-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Beattie DL, Mykhaylyk OO, Ryan AJ, Armes SP. Rational synthesis of novel biocompatible thermoresponsive block copolymer worm gels. SOFT MATTER 2021; 17:5602-5612. [PMID: 33998622 DOI: 10.1039/d1sm00460c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
It is well known that reversible addition-fragmentation chain transfer (RAFT) aqueous dispersion polymerization of 2-hydroxypropyl methacrylate (HPMA) enables the rational design of diblock copolymer worm gels. Moreover, such hydrogels can undergo degelation on cooling below ambient temperature as a result of a worm-to-sphere transition. However, only a subset of such block copolymer worms exhibit thermoresponsive behavior. For example, PMPC26-PHPMA280 worm gels prepared using a poly(2-(methacryloyloxy)ethyl phosphorylcholine) (PMPC26) precursor do not undergo degelation on cooling to 6 °C (see S. Sugihara et al., J. Am. Chem. Soc., 2011, 133, 15707-15713). Informed by our recent studies (N. J. Warren et al., Macromolecules, 2018, 51, 8357-8371), we decided to reduce the mean degrees of polymerization of both the PMPC steric stabilizer block and the structure-directing PHPMA block when targeting a pure worm morphology. This rational approach reduces the hydrophobic character of the PHPMA block and hence introduces the desired thermoresponsive character, as evidenced by the worm-to-sphere transition (and concomitant degelation) that occurs on cooling a PMPC15-PHPMA150 worm gel from 40 °C to 6 °C. Moreover, worms are reconstituted on returning to 40 °C and the original gel modulus is restored. This augurs well for potential biomedical applications, which will be examined in due course. Finally, small-angle X-ray scattering studies indicated a scaling law exponent of 0.67 (≈2/3) for the relationship between the worm core cross-sectional diameter and the PHPMA DP for a series of PHPMA-based worms prepared using a range of steric stabilizer blocks, which is consistent with the strong segregation regime for such systems.
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Affiliation(s)
- Deborah L Beattie
- Dainton Building, Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, UK.
| | - Oleksandr O Mykhaylyk
- Dainton Building, Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, UK.
| | - Anthony J Ryan
- Dainton Building, Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, UK.
| | - Steven P Armes
- Dainton Building, Department of Chemistry, University of Sheffield, Brook Hill, Sheffield, South Yorkshire S3 7HF, UK.
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Li Y, Busatto N, Roth PJ. Perfluorophenyl Azides: Photo, Staudinger, and Multicomponent Postpolymerization Reactions on Homopolymers and PISA-Made Nanoparticles. Macromolecules 2021. [DOI: 10.1021/acs.macromol.0c02833] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Yuman Li
- Department of Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, U.K
| | - Nicolas Busatto
- Department of Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, U.K
| | - Peter J. Roth
- Department of Chemistry, University of Surrey, Guildford, Surrey GU2 7XH, U.K
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35
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Zhang J, Farias‐Mancilla B, Kulai I, Hoeppener S, Lonetti B, Prévost S, Ulbrich J, Destarac M, Colombani O, Schubert US, Guerrero‐Sanchez C, Harrisson S. Effect of Hydrophilic Monomer Distribution on Self-Assembly of a pH-Responsive Copolymer: Spheres, Worms and Vesicles from a Single Copolymer Composition. Angew Chem Int Ed Engl 2021; 60:4925-4930. [PMID: 32997426 PMCID: PMC7984367 DOI: 10.1002/anie.202010501] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/24/2020] [Indexed: 11/22/2022]
Abstract
A series of copolymers containing 50 mol % acrylic acid (AA) and 50 mol % butyl acrylate (BA) but with differing composition profiles ranging from an AA-BA diblock copolymer to a linear gradient poly(AA-grad-BA) copolymer were synthesized and their pH-responsive self-assembly behavior was investigated. While assemblies of the AA-BA diblock copolymer were kinetically frozen, the gradient-like compositions underwent reversible changes in size and morphology in response to changes in pH. In particular, a diblock copolymer consisting of two random copolymer segments of equal length (16 mol % and 84 mol % AA content, respectively) formed spherical micelles at pH >5, a mix of spherical and wormlike micelles at pH 5 and vesicles at pH 4. These assemblies were characterized by dynamic light scattering, cryo-transmission electron microscopy and small angle neutron scattering.
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Affiliation(s)
- Junliang Zhang
- Shaanxi Key Laboratory of Macromolecular Science and TechnologySchool of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi'anShaanxi710072P. R. China
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | | | - Ihor Kulai
- IMRCP UMR5623Université de Toulouse118, route de Narbonne31062Toulouse Cedex 9France
| | - Stephanie Hoeppener
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | - Barbara Lonetti
- IMRCP UMR5623Université de Toulouse118, route de Narbonne31062Toulouse Cedex 9France
| | | | - Jens Ulbrich
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | - Mathias Destarac
- IMRCP UMR5623Université de Toulouse118, route de Narbonne31062Toulouse Cedex 9France
| | - Olivier Colombani
- Institut des Molécules et Matériaux du Mans (IMMM)UMR 6283 CNRSLe Mans Université/ CNRSAvenue Olivier Messiaen72085Le Mans Cedex 9France
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | - Carlos Guerrero‐Sanchez
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM)Friedrich Schiller University of JenaHumboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM)07743JenaGermany
| | - Simon Harrisson
- LCPO UMR 5629Université Bordeaux/ CNRS/ Ecole Nationale Supérieure de Chimie, de Biologie & de Physique16 Avenue Pey-Berland33607Pessac CedexFrance
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Zhang J, Farias‐Mancilla B, Kulai I, Hoeppener S, Lonetti B, Prévost S, Ulbrich J, Destarac M, Colombani O, Schubert US, Guerrero‐Sanchez C, Harrisson S. Einfluss der Verteilung hydrophiler Monomere auf die Selbstassemblierung eines pH‐responsiven Copolymers: Kugeln, Würmer und Vesikel aus einer einzigen Copolymerkomposition. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202010501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Junliang Zhang
- Shaanxi Key Laboratory of Macromolecular Science and Technology School of Chemistry and Chemical Engineering Northwestern Polytechnical University Xi'an Shaanxi 710072 P. R. China
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM) Friedrich Schiller University of Jena Humboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM) 07743 Jena Deutschland
| | - Barbara Farias‐Mancilla
- IMRCP UMR5623 Université de Toulouse 118, route de Narbonne 31062 Toulouse Cedex 9 Frankreich
| | - Ihor Kulai
- IMRCP UMR5623 Université de Toulouse 118, route de Narbonne 31062 Toulouse Cedex 9 Frankreich
| | - Stephanie Hoeppener
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM) Friedrich Schiller University of Jena Humboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM) 07743 Jena Deutschland
| | - Barbara Lonetti
- IMRCP UMR5623 Université de Toulouse 118, route de Narbonne 31062 Toulouse Cedex 9 Frankreich
| | - Sylvain Prévost
- Institut Laue-Langevin 71 Avenue des Martyrs Grenoble Frankreich
| | - Jens Ulbrich
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM) Friedrich Schiller University of Jena Humboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM) 07743 Jena Deutschland
| | - Mathias Destarac
- IMRCP UMR5623 Université de Toulouse 118, route de Narbonne 31062 Toulouse Cedex 9 Frankreich
| | - Olivier Colombani
- IMMM UMR6283 Université du Maine – UFR Sciences et Techniques Avenue Olivier Messiaen 72085 Le Mans Cedex 9 Frankreich
| | - Ulrich S. Schubert
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM) Friedrich Schiller University of Jena Humboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM) 07743 Jena Deutschland
| | - Carlos Guerrero‐Sanchez
- Laboratory of Organic and Macromolecular Chemistry (IOMC) and Jena Center for Soft Matter (JCSM) Friedrich Schiller University of Jena Humboldtstrasse 10 (IOMC) and Philosophenweg 7 (JCSM) 07743 Jena Deutschland
| | - Simon Harrisson
- LCPO UMR 5629 Université Bordeaux/ CNRS/ Ecole Nationale Supérieure de Chimie, de Biologie & de Physique 16 Avenue Pey-Berland 33607 Pessac Cedex Frankreich
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Phan H, Taresco V, Penelle J, Couturaud B. Polymerisation-induced self-assembly (PISA) as a straightforward formulation strategy for stimuli-responsive drug delivery systems and biomaterials: recent advances. Biomater Sci 2021; 9:38-50. [PMID: 33179646 DOI: 10.1039/d0bm01406k] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Stimuli-responsive amphiphilic block copolymers have emerged as promising nanocarriers for enhancing site-specific and on-demand drug release in response to a range of stimuli such as pH, the presence of redox agents, and temperature. The formulation of amphiphilic block copolymers into polymeric drug-loaded nanoparticles is typically achieved by various methods (e.g. oil-in-water emulsion solvent evaporation, solid dispersion, microphase separation, dialysis or microfluidic separation). Despite much progress that has been made, there remain many challenges to overcome to produce reliable polymeric systems. The main drawbacks of the above methods are that they produce very low solid contents (<1 wt%) and involve multiple-step procedures, thus limiting their scope. Recently, a new self-assembly methodology, polymerisation-induced self-assembly (PISA), has shown great promise in the production of polymer-derived particles using a straightforward one-pot approach, whilst facilitating high yield, scalability, and cost-effectiveness for pharmaceutical industry protocols. We therefore focus this review primarily on the most recent studies involved in the design and preparation of PISA-generated nano-objects which are responsive to specific stimuli, thus providing insight into how PISA may become an effective formulation strategy for the preparation of precisely tailored drug delivery systems and biomaterials, while some of the current challenges and limitations are also critically discussed.
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Affiliation(s)
- Hien Phan
- Univ Paris Est Creteil, CNRS, Institut de Chimie et des Matériaux Paris-Est (ICMPE), UMR 7182, 2 rue Henri Dunant, 94320 Thiais, France.
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38
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Sobotta FH, Kuchenbrod MT, Grune C, Fischer D, Hoeppener S, Brendel JC. Elucidating preparation-structure relationships for the morphology evolution during the RAFT dispersion polymerization of N-acryloyl thiomorpholine. Polym Chem 2021. [DOI: 10.1039/d0py01697g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Depending on the conditions, nearly monodisperse spherical micelles or complex morphologies are formed during a polymerization induced self-assembly (PISA) process based on the water-soluble monomer N-acryloylthiomorpholine.
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Affiliation(s)
- Fabian H. Sobotta
- Laboratory of Organic and Macromolecular Chemistry (IOMC)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Jena Center for Soft Matter (JCSM)
| | - Maren T. Kuchenbrod
- Laboratory of Organic and Macromolecular Chemistry (IOMC)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Jena Center for Soft Matter (JCSM)
| | - Christian Grune
- Pharmaceutical Technology and Biopharmacy
- Institute of Pharmacy
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
| | - Dagmar Fischer
- Jena Center for Soft Matter (JCSM)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Pharmaceutical Technology
| | - Stephanie Hoeppener
- Laboratory of Organic and Macromolecular Chemistry (IOMC)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Jena Center for Soft Matter (JCSM)
| | - Johannes C. Brendel
- Laboratory of Organic and Macromolecular Chemistry (IOMC)
- Friedrich Schiller University Jena
- 07743 Jena
- Germany
- Jena Center for Soft Matter (JCSM)
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39
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Damsongsang P, Hoven VP, Yusa SI. Core-functionalized nanoaggregates: preparation via polymerization-induced self-assembly and their applications. NEW J CHEM 2021. [DOI: 10.1039/d1nj01791h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Core-functionalized nanoaggregates can be prepared by a combination of polymerization-induced self-assembly (PISA) and post-polymerization modification.
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Affiliation(s)
- Panittha Damsongsang
- Department of Chemistry
- Faculty of Science
- Chulalongkorn University
- Bangkok 10330
- Thailand
| | - Voravee P. Hoven
- Department of Chemistry
- Faculty of Science
- Chulalongkorn University
- Bangkok 10330
- Thailand
| | - Shin-ichi Yusa
- Department of Applied Chemistry
- Graduate School of Engineering
- University of Hyogo
- Himeji
- Japan
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40
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Zhang F, Niu Y, Li Y, Yao Q, Chen X, Zhou H, Zhou M, Xiao J. Fabrication and characterization of structurally stable pH-responsive polymeric vesicles by polymerization-induced self-assembly. RSC Adv 2021; 11:29042-29051. [PMID: 35478560 PMCID: PMC9038146 DOI: 10.1039/d1ra05555k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 08/16/2021] [Indexed: 11/21/2022] Open
Abstract
Smart polymeric vesicles with both tertiary amine and epoxy functional groups were fabricated for the first time via a reversible addition–fragmentation chain transfer dispersion polymerization approach, using (2-(diisopropylamino)ethyl methacrylate (DIPEMA) and glycidyl methacrylate (GlyMA) in an ethanol–water mixture. Monitoring of the in situ polymerization revealed the low molecular weight distributions and the intermediate structures of spheres and worms, indicating an evolution in particle morphology. A phase diagram was constructed for reproducible fabrication of the vesicles, and copolymer composition was found to be more related to particle morphology. The vesicles exhibited superior structural stability for the cross-linking of the core through epoxydiamine chemistry, and intelligent pH responsibility due to the presence of the tertiary amine groups. The cross-linked vesicles showed good stability and reversibility during the swelling and shrinking cycles by switching the pH values, which endowed them with potential cell-like transmission functions. This research thus provides a method for producing structurally stable pH-responsive polymeric vesicles, and the reported vesicles are based on commercially available starting materials for possible industrial scale-up. Smart polymeric vesicles with both tertiary amine and epoxy functional groups were fabricated for the first time via a reversible addition–fragmentation chain transfer dispersion polymerization approach.![]()
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Affiliation(s)
- Fen Zhang
- Institute of Energy Resources, Hebei Academy of Sciences, 050081, Shijiazhuang, Hebei Province, China
| | - Yanling Niu
- School of Materials Science and Engineering, Hebei University of Science and Technology, 050018, Shijiazhuang, Hebei Province, China
| | - Yantao Li
- Institute of Energy Resources, Hebei Academy of Sciences, 050081, Shijiazhuang, Hebei Province, China
| | - Qian Yao
- Institute of Energy Resources, Hebei Academy of Sciences, 050081, Shijiazhuang, Hebei Province, China
| | - Xiaoqi Chen
- Institute of Energy Resources, Hebei Academy of Sciences, 050081, Shijiazhuang, Hebei Province, China
| | - Haijun Zhou
- Institute of Energy Resources, Hebei Academy of Sciences, 050081, Shijiazhuang, Hebei Province, China
| | - Mengmeng Zhou
- Institute of Energy Resources, Hebei Academy of Sciences, 050081, Shijiazhuang, Hebei Province, China
| | - Jijun Xiao
- School of Materials Science and Engineering, Hebei University of Science and Technology, 050018, Shijiazhuang, Hebei Province, China
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41
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Lequieu J, Magenau AJD. Reaction-induced phase transitions with block copolymers in solution and bulk. Polym Chem 2021. [DOI: 10.1039/d0py00722f] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Reaction-induced phase transitions use chemical reactions to drive macromolecular organisation and self-assembly. This review highlights significant and recent advancements in this burgeoning field.
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Affiliation(s)
- Joshua Lequieu
- Department of Chemical and Biological Engineering
- Drexel University
- Philadelphia
- USA
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42
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Zeng H, Roberts DA. Recent Progress in Stimuli-Induced Morphology Transformations of Block Copolymer Assemblies. Aust J Chem 2021. [DOI: 10.1071/ch21200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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43
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Xu S, Corrigan N, Boyer C. Forced gradient copolymerisation: a simplified approach for polymerisation-induced self-assembly. Polym Chem 2021. [DOI: 10.1039/d0py00889c] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this work, a novel and versatile gradient copolymerisation approach to simplify polymeric nanoparticle synthesis through polymerisation-induced self-assembly (PISA) is reported.
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Affiliation(s)
- Sihao Xu
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Nathaniel Corrigan
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for NanoMedicine
- School of Chemical Engineering
- The University of New South Wales
- Sydney
- Australia
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Biais P, Engel M, Colombani O, Nicolai T, Stoffelbach F, Rieger J. Thermoresponsive dynamic BAB block copolymer networks synthesized by aqueous PISA in one-pot. Polym Chem 2021. [DOI: 10.1039/d0py01424a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The incorporation of neutral hydrophilic monomer units in the hydrophobic B blocks of BAB copolymers produces transient networks exhibiting a thermoresponsive behavior with a maximum of viscosity in water.
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Affiliation(s)
- Pauline Biais
- Sorbonne Université
- CNRS
- Institut Parisien de Chimie Moléculaire
- UMR 8232
- Polymer Chemistry Team
| | - Marie Engel
- Sorbonne Université
- CNRS
- Institut Parisien de Chimie Moléculaire
- UMR 8232
- Polymer Chemistry Team
| | - Olivier Colombani
- Institut des Molécules et Matériaux du Mans (IMMM)
- UMR 6283 CNRS Le Mans Université
- 72085 Le Mans Cedex 9
- France
| | - Taco Nicolai
- Institut des Molécules et Matériaux du Mans (IMMM)
- UMR 6283 CNRS Le Mans Université
- 72085 Le Mans Cedex 9
- France
| | - François Stoffelbach
- Sorbonne Université
- CNRS
- Institut Parisien de Chimie Moléculaire
- UMR 8232
- Polymer Chemistry Team
| | - Jutta Rieger
- Sorbonne Université
- CNRS
- Institut Parisien de Chimie Moléculaire
- UMR 8232
- Polymer Chemistry Team
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45
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Pan J, Cui Z. Self-Assembled Nanoparticles: Exciting Platforms for Vaccination. Biotechnol J 2020; 15:e2000087. [PMID: 33411412 DOI: 10.1002/biot.202000087] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/25/2020] [Indexed: 12/14/2022]
Abstract
Vaccination is successfully advanced to control several fatal diseases and improve human life expectancy. However, additional innovations are required in this field because there are no effective vaccines to prevent some infectious diseases. The shift from the attenuated or inactivated pathogens to safer but less immunogenic protein or peptide antigens has led to a search for effective antigen delivery carriers that can function as both antigen vehicles and intrinsic adjuvants. Among these carriers, self-assembled nanoparticles (SANPs) have shown great potential to be the best representative. For the nanoscale and multiple presentation of antigens, with accurate control over size, geometry, and functionality, these nanoparticles are assembled spontaneously and mimic pathogens, resulting in enhanced antigen presentation and increased cellular and humoral immunity responses. In addition, they may be applied through needle-free routes due to their adhesive ability, which gives them a great future in vaccination applications. This review provides an overview of various SANPs and their applications in prophylactic vaccines.
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Affiliation(s)
- Jingdi Pan
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zongqiang Cui
- State Key Laboratory of Virology, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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46
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Ruiz-Pérez L, Rizzello L, Wang J, Li N, Battaglia G, Pei Y. Polypyrrole and polyaniline nanocomposites with high photothermal conversion efficiency. SOFT MATTER 2020; 16:4569-4573. [PMID: 32373877 DOI: 10.1039/d0sm00306a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The simple and scalable synthesis of poly[2-(methacryloyloxy)ethyl phosphorylcholine] (PMPC)-coated conducting polymer (CP) nanocomposites is described. These functional nanocomposites exhibit tunable absorption in the near-infrared region with relatively high photothermal efficiencies. More importantly, their potential for bio-imaging and therapeutic treatment is proven by cellular uptake and cytotoxicity studies.
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Affiliation(s)
- Lorena Ruiz-Pérez
- Department of Chemistry, University College London, London, WC1H 0AJ, UK. and The EPSRC/JEOL Centre for Liquid Electron Microscopy, London, WC1H 0AJ, UK
| | - Loris Rizzello
- Department of Chemistry, University College London, London, WC1H 0AJ, UK.
| | - Jinping Wang
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, 300072, P. R. China
| | - Nan Li
- Tianjin Key Laboratory of Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, 300072, P. R. China
| | - Giuseppe Battaglia
- Department of Chemistry, University College London, London, WC1H 0AJ, UK. and The EPSRC/JEOL Centre for Liquid Electron Microscopy, London, WC1H 0AJ, UK and Department of Chemical Engineering, University College London, London, UK
| | - Yiwen Pei
- Department of Chemistry, University College London, London, WC1H 0AJ, UK.
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Li S, Han M, Liu HG. Tuning the PS-b-PAA aggregate morphologies by amines and dyes via liquid/liquid interfacial mass transfer-assisted self-assembly. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124566] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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48
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Cornel EJ, O'Hora PS, Smith T, Growney DJ, Mykhaylyk OO, Armes SP. SAXS studies of the thermally-induced fusion of diblock copolymer spheres: formation of hybrid nanoparticles of intermediate size and shape. Chem Sci 2020; 11:4312-4321. [PMID: 34122889 PMCID: PMC8152590 DOI: 10.1039/d0sc00569j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 03/20/2020] [Indexed: 12/19/2022] Open
Abstract
Dilute dispersions of poly(lauryl methacrylate)-poly(benzyl methacrylate) (PLMA-PBzMA) diblock copolymer spheres (a.k.a. micelles) of differing mean particle diameter were mixed and thermally annealed at 150 °C to produce spherical nanoparticles of intermediate size. The two initial dispersions were prepared via reversible addition-fragmentation chain transfer (RAFT) dispersion polymerization of benzyl methacrylate in n-dodecane at 90 °C. Systematic variation of the mean degree of polymerization of the core-forming PBzMA block enabled control over the mean particle diameter: small-angle X-ray scattering (SAXS) analysis indicated that PLMA39-PBzMA97 and PLMA39-PBzMA294 formed well-defined, non-interacting spheres at 25 °C with core diameters of 21 ± 2 nm and 48 ± 5 nm, respectively. When heated separately, both types of nanoparticles regained their original dimensions during a 25-150-25 °C thermal cycle. However, the cores of the smaller nanoparticles became appreciably solvated when annealed at 150 °C, whereas the larger nanoparticles remained virtually non-solvated at this temperature. Moreover, heating caused a significant reduction in mean aggregation number for the PLMA39-PBzMA97 nanoparticles, suggesting their partial dissociation at 150 °C. Binary mixtures of PLMA39-PBzMA97 and PLMA39-PBzMA294 nanoparticles were then studied over a wide range of compositions. For example, annealing a 1.0% w/w equivolume binary mixture led to the formation of a single population of spheres of intermediate mean diameter (36 ± 4 nm). Thus we hypothesize that the individual PLMA39-PBzMA97 chains interact with the larger PLMA39-PBzMA294 nanoparticles to form the hybrid nanoparticles. Time-resolved SAXS studies confirm that the evolution in copolymer morphology occurs on relatively short time scales (within 20 min at 150 °C) and involves weakly anisotropic intermediate species. Moreover, weakly anisotropic nanoparticles can be obtained as a final copolymer morphology over a restricted range of compositions (e.g. for PLMA39-PBzMA97 volume fractions of 0.20-0.35) when heating dilute dispersions of such binary nanoparticle mixtures up to 150 °C. A mechanism involving both chain expulsion/insertion and micelle fusion/fission is proposed to account for these unexpected observations.
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Affiliation(s)
- E J Cornel
- Department of Chemistry, University of Sheffield Dainton Building, Brook Hill Sheffield South Yorkshire S3 7HF UK
| | - P S O'Hora
- Lubrizol Ltd Nether Lane, Hazelwood Derbyshire DE56 4AN UK
| | - T Smith
- Lubrizol Ltd Nether Lane, Hazelwood Derbyshire DE56 4AN UK
| | - D J Growney
- Lubrizol Ltd Nether Lane, Hazelwood Derbyshire DE56 4AN UK
| | - O O Mykhaylyk
- Department of Chemistry, University of Sheffield Dainton Building, Brook Hill Sheffield South Yorkshire S3 7HF UK
| | - S P Armes
- Department of Chemistry, University of Sheffield Dainton Building, Brook Hill Sheffield South Yorkshire S3 7HF UK
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D'Agosto F, Rieger J, Lansalot M. RAFT‐vermittelte polymerisationsinduzierte Selbstorganisation (PISA). Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201911758] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Franck D'Agosto
- Univ Lyon Université Claude Bernard Lyon 1 CPE Lyon CNRS UMR 5265 Chemistry, Catalysis, Polymers and Processes (C2P2) 43 Bd du 11 Novembre 1918 69616 Villeurbanne Frankreich
| | - Jutta Rieger
- Sorbonne Université and CNRS UMR 8232 Institut Parisien de Chimie Moléculaire (IPCM), Polymer Chemistry Team (ECP) 4 Place Jussieu 75005 Paris Frankreich
| | - Muriel Lansalot
- Univ Lyon Université Claude Bernard Lyon 1 CPE Lyon CNRS UMR 5265 Chemistry, Catalysis, Polymers and Processes (C2P2) 43 Bd du 11 Novembre 1918 69616 Villeurbanne Frankreich
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50
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D'Agosto F, Rieger J, Lansalot M. RAFT‐Mediated Polymerization‐Induced Self‐Assembly. Angew Chem Int Ed Engl 2020; 59:8368-8392. [DOI: 10.1002/anie.201911758] [Citation(s) in RCA: 250] [Impact Index Per Article: 62.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Indexed: 12/31/2022]
Affiliation(s)
- Franck D'Agosto
- Univ Lyon Université Claude Bernard Lyon 1 CPE Lyon CNRS UMR 5265 Chemistry, Catalysis, Polymers and Processes (C2P2) 43 Bd du 11 Novembre 1918 69616 Villeurbanne France
| | - Jutta Rieger
- Sorbonne Université and CNRS UMR 8232 Institut Parisien de Chimie Moléculaire (IPCM) Polymer Chemistry Team (ECP) 4 Place Jussieu 75005 Paris France
| | - Muriel Lansalot
- Univ Lyon Université Claude Bernard Lyon 1 CPE Lyon CNRS UMR 5265 Chemistry, Catalysis, Polymers and Processes (C2P2) 43 Bd du 11 Novembre 1918 69616 Villeurbanne France
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