1
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Effenberg C, Gaitzsch J. Stretched or wrinkled? Looking into the polymer conformation within polymersome membranes. SOFT MATTER 2024; 20:4127-4135. [PMID: 38726767 DOI: 10.1039/d4sm00239c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
Self-assembly of amphiphilic block-copolymers into polymersomes is a well-established concept. In this membrane, the hydrophilic part is considered to be loosely assembled towards the solvent, and the hydrophobic part on the inside of the membrane is considered to be more densely packed. Within the membrane, this hydrophobic part could now have a stretched conformation or be a random coil, depending on the available space and also on the chemical nature of the polymer. We now analysed the literature for works on polymersomes that determined the membrane thickness via cryo-TEM and analysed the hydrophobic part of their polymers for their conformation. Over all available block-copolymers, a variety of trends became obvious: the longer a hydrophobic block, the more coiled the conformation and the bulkier the side chains, the more stretched the polymer became. Polymers with less conformational freedom like semi-crystalline ones were present in a more stretched conformation. Both trends could be exemplified on various occasions in this cross-literature meta-study. This overview hence provides additional insight into the physical chemistry of block-copolymer membranes.
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Affiliation(s)
| | - Jens Gaitzsch
- Leibniz-Institut für Polymerforschung Dresden e. V., Germany.
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2
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Li W, Zhang S, Sun M, Kleuskens S, Wilson DA. Shape Transformation of Polymer Vesicles. ACCOUNTS OF MATERIALS RESEARCH 2024; 5:453-466. [PMID: 38694189 PMCID: PMC11059097 DOI: 10.1021/accountsmr.3c00253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/05/2024] [Accepted: 02/29/2024] [Indexed: 05/04/2024]
Abstract
Life activities, such as respiration, are accomplished through the continuous shape modulation of cells, tissues, and organs. Developing smart materials with shape-morphing capability is a pivotal step toward life-like systems and emerging technologies of wearable electronics, soft robotics, and biomimetic actuators. Drawing inspiration from cells, smart vesicular systems have been assembled to mimic the biological shape modulation. This would enable the understanding of cellular shape adaptation and guide the design of smart materials with shape-morphing capability. Polymer vesicles assembled by amphiphilic molecules are an example of remarkable vesicular systems. The chemical versatility, physical stability, and surface functionality promise their application in nanomedicine, nanoreactor, and biomimetic systems. However, it is difficult to drive polymer vesicles away from equilibrium to induce shape transformation due to the unfavorable energy landscapes caused by the low mobility of polymer chains and low permeability of the vesicular membrane. Extensive studies in the past decades have developed various methods including dialysis, chemical addition, temperature variation, polymerization, gas exchange, etc., to drive shape transformation. Polymer vesicles can now be engineered into a variety of nonspherical shapes. Despite the brilliant progress, most of the current studies regarding the shape transformation of polymer vesicles still lie in the trial-and-error stage. It is a grand challenge to predict and program the shape transformations of polymer vesicles. An in-depth understanding of the deformation pathway of polymer vesicles would facilitate the transition from the trial-and-error stage to the computing stage. In this Account, we introduce recent progress in the shape transformation of polymer vesicles. To provide an insightful analysis, the shape transformation of polymer vesicles is divided into basic and coupled deformation. First, we discuss the basic deformation of polymer vesicles with a focus on two deformation pathways: the oblate pathway and the prolate pathway. Strategies used to trigger different deformation pathways are introduced. Second, we discuss the origin of the selectivity of two deformation pathways and the strategies used to control the selectivity. Third, we discuss the coupled deformation of polymer vesicles with a focus on the switch and coupling of two basic deformation pathways. Last, we analyze the challenges and opportunities in the shape transformation of polymer vesicles. We envision that a systematic understanding of the deformation pathway would push the shape transformation of polymer vesicles from the trial-and-error stage to the computing stage. This would enable the prediction of deformation behaviors of nanoparticles in complex environments, like blood and interstitial tissue, and access to advanced architecture desirable for man-made applications.
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Affiliation(s)
- Wei Li
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Shaohua Zhang
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Mingchen Sun
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Sandra Kleuskens
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Daniela A. Wilson
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
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3
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Avalos E, Teramoto T, Hirai Y, Yabu H, Nishiura Y. Controlling the Formation of Polyhedral Block Copolymer Nanoparticles: Insights from Process Variables and Dynamic Modeling. ACS OMEGA 2024; 9:17276-17288. [PMID: 38645350 PMCID: PMC11025090 DOI: 10.1021/acsomega.3c10302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/20/2024] [Accepted: 02/26/2024] [Indexed: 04/23/2024]
Abstract
This study delves into the formation of nanoscale polyhedral block copolymer particles (PBCPs) exhibiting cubic, octahedral, and variant geometries. These structures represent a pioneering class that has never been fabricated previously. PBCP features distinct variations in curvature on the outer surface, aligning with the edges and corners of polyhedral shapes. This characteristic sharply contrasts with previous block copolymers (BCPs), which displayed a smooth spherical surface. The emergence of these cornered morphologies presents an intriguing and counterintuitive phenomenon and is linked to process parameters, such as evaporation rates and initial concentration, while keeping other variables constant. Using a system of coupled Cahn-Hillard (CCH) equations, we uncover the mechanisms driving polyhedral particle formation, emphasizing the importance of controlling relaxation parameters for shape variable u and microphase separation v. This unconventional approach, differing from traditional steepest descent method, allows for precise control and diverse polyhedral particle generation. Accelerating the shape variable u proves crucial for expediting precipitation and aligns with experimental observations. Employing the above theoretical model, we achieve shape predictions for particles and the microphase separation within them, which overcomes the limitations of ab initio computations. Additionally, a numerical stability analysis discerns the transient nature versus local minimizer characteristics. Overall, our findings contribute to understanding the complex interplay between process variables and the morphology of polyhedral BCP nanoparticles.
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Affiliation(s)
- Edgar Avalos
- Advanced
Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Takashi Teramoto
- Faculty
of Data Science, Kyoto Women’s University, 35 Kitahiyoshi-cho, Imakumano, Higashiyama-ku, Kyoto 605-8501, Japan
| | - Yutaro Hirai
- Advanced
Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Hiroshi Yabu
- Advanced
Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
| | - Yasumasa Nishiura
- Advanced
Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, Miyagi 980-8577, Japan
- Research
Center of Mathematics for Social Creativity, Research Institute for
Electronic Science, Hokkaido University, N12W7, Kita-Ward, Mid-Campus Open
Laboratory Building No. 2, Sapporo 060-0812, Japan
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4
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Yang H, Luo Y, Jin B, Chi S, Li X. Convoluted micellar morphological transitions driven by tailorable mesogenic ordering effect from discotic mesogen-containing block copolymer. Nat Commun 2024; 15:2968. [PMID: 38580629 PMCID: PMC10997646 DOI: 10.1038/s41467-024-47312-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 03/27/2024] [Indexed: 04/07/2024] Open
Abstract
Solution-state self-assemblies of block copolymers to form nanostructures are tremendously attractive for their tailorable morphologies and functionalities. While incorporating moieties with strong ordering effects may introduce highly orientational control over the molecular packing and dictate assembly behaviors, subtle and delicate driving forces can yield slower kinetics to reveal manifold metastable morphologies. Herein, we report the unusually convoluted self-assembly behaviors of a liquid crystalline block copolymer bearing triphenylene discotic mesogens. They undergo unusual multiple morphological transitions spontaneously, driven by their intrinsic subtle liquid crystalline ordering effect. Meanwhile, liquid crystalline orderedness can also be built very quickly by doping the mesogens with small-molecule dopants, and the morphological transitions are dramatically accelerated and various exotic micelles are produced. Surprisingly, with high doping levels, the self-assembly mechanism of this block copolymer is completely changed from intramolecular chain shuffling and rearrangement to nucleation-growth mode, based on which self-seeding experiments can be conducted to produce highly uniform fibrils.
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Affiliation(s)
- Huanzhi Yang
- School of Materials Science and Engineering. Beijing Institute of Technology, 100081, Beijing, China
| | - Yunjun Luo
- School of Materials Science and Engineering. Beijing Institute of Technology, 100081, Beijing, China
- Key Laboratory of High Energy Density Materials, MOE. Beijing Institute of Technology, 100081, Beijing, China
| | - Bixin Jin
- School of Materials Science and Engineering. Beijing Institute of Technology, 100081, Beijing, China.
| | - Shumeng Chi
- School of Materials Science and Engineering. Beijing Institute of Technology, 100081, Beijing, China
- Experimental Center of Advanced Materials, Beijing Institute of Technology, 100081, Beijing, China
| | - Xiaoyu Li
- School of Materials Science and Engineering. Beijing Institute of Technology, 100081, Beijing, China.
- Key Laboratory of High Energy Density Materials, MOE. Beijing Institute of Technology, 100081, Beijing, China.
- Experimental Center of Advanced Materials, Beijing Institute of Technology, 100081, Beijing, China.
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5
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Zhu Y, Cao S, Huo M, van Hest JCM, Che H. Recent advances in permeable polymersomes: fabrication, responsiveness, and applications. Chem Sci 2023; 14:7411-7437. [PMID: 37449076 PMCID: PMC10337762 DOI: 10.1039/d3sc01707a] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/14/2023] [Indexed: 07/18/2023] Open
Abstract
Polymersomes are vesicular nanostructures enclosed by a bilayer-membrane self-assembled from amphiphilic block copolymers, which exhibit higher stability compared with their biological analogues (e.g. liposomes). Due to their versatility, polymersomes have found various applications in different research fields such as drug delivery, nanomedicine, biological nanoreactors, and artificial cells. However, polymersomes prepared with high molecular weight components typically display low permeability to molecules and ions. It hence remains a major challenge to balance the opposing features of robustness and permeability of polymersomes. In this review, we focus on the design and strategies for fabricating permeable polymersomes, including polymersomes with intrinsic permeability, the formation of nanopores in the membrane bilayers by protein insertion, and the construction of stimuli-responsive polymersomes. Then, we highlight the applications of permeable polymersomes in the fields of biomimetic nanoreactors, artificial cells and organelles, and nanomedicine, to underline the challenges in the development of polymersomes as soft matter with biomedical utilities.
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Affiliation(s)
- Yanyan Zhu
- Department of Chemical Engineering, School of Environmental and Chemical Engineerin, Shanghai University Shanghai 200444 China
| | - Shoupeng Cao
- Max Planck Institute for Polymer Research Mainz 55128 Germany
| | - Meng Huo
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang, Zhejiang Sci-Tech University Hangzhou 310018 China
| | - Jan C M van Hest
- Department of Chemical Engineering and Chemistry, Department of Biomedical Engineering, Institute for Complex Molecular Systems, Eindhoven University of Technology Eindhoven 5600 MB The Netherlands
| | - Hailong Che
- Department of Chemical Engineering, School of Environmental and Chemical Engineerin, Shanghai University Shanghai 200444 China
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6
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Sun J, Kleuskens S, Luan J, Wang D, Zhang S, Li W, Uysal G, Wilson DA. Morphogenesis of starfish polymersomes. Nat Commun 2023; 14:3612. [PMID: 37330564 PMCID: PMC10276845 DOI: 10.1038/s41467-023-39305-8] [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: 09/17/2021] [Accepted: 06/06/2023] [Indexed: 06/19/2023] Open
Abstract
The enhanced membrane stability and chemical versatility of polymeric vesicles have made them promising tools in micro/nanoreactors, drug delivery, cell mimicking, etc. However, shape control over polymersomes remains a challenge and has restricted their full potential. Here we show that local curvature formation on the polymeric membrane can be controlled by applying poly(N-isopropylacrylamide) as a responsive hydrophobic unit, while adding salt ions to modulate the properties of poly(N-isopropylacrylamide) and its interaction with the polymeric membrane. Polymersomes with multiple arms are fabricated, and the number of arms could be tuned by salt concentration. Furthermore, the salt ions are shown to have a thermodynamic effect on the insertion of poly(N-isopropylacrylamide) into the polymeric membrane. This controlled shape transformation can provide evidence for studying the role of salt ions in curvature formation on polymeric membranes and biomembranes. Moreover, potential stimuli-responsive non-spherical polymersomes can be good candidates for various applications, especially in nanomedicine.
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Affiliation(s)
- Jiawei Sun
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
| | - Sandra Kleuskens
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
| | - Jiabin Luan
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
| | - Danni Wang
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
| | - Shaohua Zhang
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
| | - Wei Li
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
| | - Gizem Uysal
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands
| | - Daniela A Wilson
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, the Netherlands.
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7
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Pan X, Kochovski Z, Wang YL, Sarhan RM, Härk E, Gupta S, Stojkovikj S, El-Nagar GA, Mayer MT, Schürmann R, Deumer J, Gollwitzer C, Yuan J, Lu Y. Poly(ionic liquid) nanovesicles via polymerization induced self-assembly and their stabilization of Cu nanoparticles for tailored CO 2 electroreduction. J Colloid Interface Sci 2023; 637:408-420. [PMID: 36716665 DOI: 10.1016/j.jcis.2023.01.097] [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: 11/07/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/22/2023]
Abstract
Herein, we report a straightforward, scalable synthetic route towards poly(ionic liquid) (PIL) homopolymer nanovesicles (NVs) with a tunable particle size of 50 to 120 nm and a shell thickness of 15 to 60 nm via one-step free radical polymerization induced self-assembly. By increasing monomer concentration for polymerization, their nanoscopic morphology can evolve from hollow NVs to dense spheres, and finally to directional worms, in which a multilamellar packing of PIL chains occurred in all samples. The transformation mechanism of NVs' internal morphology is studied in detail by coarse-grained simulations, revealing a correlation between the PIL chain length and the shell thickness of NVs. To explore their potential applications, PIL NVs with varied shell thickness are in situ functionalized with ultra-small (1 ∼ 3 nm in size) copper nanoparticles (CuNPs) and employed as electrocatalysts for CO2 electroreduction. The composite electrocatalysts exhibit a 2.5-fold enhancement in selectivity towards C1 products (e.g., CH4), compared to the pristine CuNPs. This enhancement is attributed to the strong electronic interactions between the CuNPs and the surface functionalities of PIL NVs. This study casts new aspects on using nanostructured PILs as new electrocatalyst supports in CO2 conversion to C1 products.
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Affiliation(s)
- Xuefeng Pan
- Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany; Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany
| | - Zdravko Kochovski
- Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
| | - Yong-Lei Wang
- Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
| | - Radwan M Sarhan
- Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany; Chemistry Department, Faculty of Science, Cairo University, Egypt
| | - Eneli Härk
- Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
| | - Siddharth Gupta
- Helmholtz Young Investigator Group: Electrochemical Conversion, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany; Institut für Chemie und Biochemie, Freie Universität Berlin, Arnimallee 22, D-14195 Berlin, Germany
| | - Sasho Stojkovikj
- Helmholtz Young Investigator Group: Electrochemical Conversion, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany; Institut für Chemie und Biochemie, Freie Universität Berlin, Arnimallee 22, D-14195 Berlin, Germany
| | - Gumaa A El-Nagar
- Helmholtz Young Investigator Group: Electrochemical Conversion, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany; Chemistry Department, Faculty of Science, Cairo University, Egypt.
| | - Matthew T Mayer
- Helmholtz Young Investigator Group: Electrochemical Conversion, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany
| | - Robin Schürmann
- Physikalisch-Technische Bundesanstalt (PTB), Abbestr. 2-12, 10587 Berlin, Germany
| | - Jérôme Deumer
- Physikalisch-Technische Bundesanstalt (PTB), Abbestr. 2-12, 10587 Berlin, Germany
| | - Christian Gollwitzer
- Physikalisch-Technische Bundesanstalt (PTB), Abbestr. 2-12, 10587 Berlin, Germany
| | - Jiayin Yuan
- Department of Materials and Environmental Chemistry (MMK), Stockholm University, Svante Arrhenius väg 16C, 10691 Stockholm, Sweden.
| | - Yan Lu
- Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany; Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany.
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8
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Quintieri G, Schlattmann D, Schönhoff M, Gröschel AH. Fabrication of diverse multicompartment micelles by redispersion of triblock terpolymer bulk morphologies. NANOSCALE 2022; 14:12658-12667. [PMID: 36018306 DOI: 10.1039/d2nr03874a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Redispersing block copolymer (BCP) bulk films in selective solvents is a simple and efficient method to prepare BCP micelles and polymersomes. While ABC triblock terpolymers are known to form multicompartment micelles (MCMs) with intricate nanoarchitecture, this is typically done by solvent exchange instead of redispersion of bulk films despite obvious advantages of greatly reduced solvent usage. Here, we provide guidelines on how to form MCMs with defined shapes and inner structure through direct redispersion of terpolymer bulk morphologies in selective plasticizing solvents. For this purpose, we redisperse a series of polystyrene-b-polybutadiene-b-poly(tert-butyl methacrylate) (PS-b-PB-b-PT) triblock terpolymers in acetone/isopropanol mixtures, where PT is always soluble, PB always insoluble, and PS will range from soft (high acetone content) to kinetically frozen (high isopropanol content). We investigate the effect of solvent mixtures, block composition, and thermal annealing on MCM shape and core morphology. Additionally, we performed terpolymer blend experiments to open up a simple route to further diversify the range of accessible MCM morphologies.
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Affiliation(s)
- Giada Quintieri
- Physical Chemistry, University of Münster, Corrensstr. 28-30, 48149 Münster, Germany.
- Center for Soft Nanoscience (SoN), University of Münster, Busso-Peus-Str. 10, 48149 Münster, Germany
| | - Daniel Schlattmann
- Physical Chemistry, University of Münster, Corrensstr. 28-30, 48149 Münster, Germany.
- Center for Soft Nanoscience (SoN), University of Münster, Busso-Peus-Str. 10, 48149 Münster, Germany
| | - Monika Schönhoff
- Physical Chemistry, University of Münster, Corrensstr. 28-30, 48149 Münster, Germany.
- Center for Soft Nanoscience (SoN), University of Münster, Busso-Peus-Str. 10, 48149 Münster, Germany
| | - André H Gröschel
- Physical Chemistry, University of Münster, Corrensstr. 28-30, 48149 Münster, Germany.
- Center for Soft Nanoscience (SoN), University of Münster, Busso-Peus-Str. 10, 48149 Münster, Germany
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9
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Wang S, Liu Y, Xu M, Hu F, Yu Q, Wang L. Polymersomes as virus-surrogate particles for evaluating the performance of air filter materials. GIANT (OXFORD, ENGLAND) 2022; 10:100104. [PMID: 35600793 PMCID: PMC9116050 DOI: 10.1016/j.giant.2022.100104] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/16/2022] [Accepted: 05/16/2022] [Indexed: 05/15/2023]
Abstract
The development of antivirus air filter materials has attracted considerable interests due to the pandemic of coronavirus disease 2019 (COVID-19). Filtration efficiency (FE) of these materials against virus is critical in the assessment of their use in disease prevention. Due to the high cost and biosafety laboratory required for conducting research using actual virus samples, surrogates for virus are commonly used in the filtration test. Here, we explore the employment of polymersomes (polymeric vesicles) as a new type of surrogate. The polymersomes are hollow shell nanoparticles with amphiphilic bilayer membranes, which can be fabricated in nanosized, and possess similar size and structural features to virus. The performance of commercial KN95 mask and surgical mask with micro-sized fibers, and electrospun polyvinylidene fluoride (PVDF) and polyacrylonitrile (PAN) nanofibers were chosen to be evaluated. The filtration tests against fluorescent-labeled virus-surrogate particles (VSPs), i.e. polymersomes, allowed the determination of the FE of the multilayered filter materials in a layer-specific manner. The results suggested the importance of hydrophobicity in designing the nanofibrous filter materials. The employment of VSPs in filtration performance evaluation allows a cost-effective way to estimate the FE against virus, providing guidance on future development of air filter materials.
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Affiliation(s)
- Shuo Wang
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Yuan Liu
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Mengmeng Xu
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Fei Hu
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Qianqian Yu
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
| | - Linge Wang
- South China Advanced Institute for Soft Matter Science and Technology, School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou, 510640, China
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10
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Guo Y, Yang S. Spontaneous Formation and Fusion of Raspberry Vesicle Self-Assembled from Star Block Terpolymers in Aqueous Solution. MATERIALS 2021; 14:ma14247690. [PMID: 34947284 PMCID: PMC8708504 DOI: 10.3390/ma14247690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/08/2021] [Accepted: 12/09/2021] [Indexed: 11/16/2022]
Abstract
The spontaneous formation and fusion of raspberry vesicles was studied using the dissipative particle dynamics (DPD) method. The vesicles were formed through the self-assembly of amphiphilic E12O6F2 star terpolymers in selective solvent. E and F blocks are solvophobic and the O block is solvophilic. The shortest F block plays a major role in the formation of raspberry vesicles. Distinct vesicle formation mechanisms were observed at different polymer concentrations. At higher concentrations, vesicles form via the bending and closure of an oblate F-bump-E bilayer. At lower concentrations, the formation pathway contains: the initial formation of a vesicle with a core, the combination of such vesicles into cylindrical micelles, and the bending of the cylindrical micelles to form a hollow vesicle. In addition, raspberry vesicle fusion is regulated by F bumps through the continuous coalescence of them from apposed vesicle membranes. The contact area bends, followed by the formation of a fusion pore and a tilted inner layer. As the pore sealed, the hemifusion structure appears, which further restructures to form a vesicle. Our results provide guidance on understanding the dynamic processes of complex vesicles and biological membrane fusion.
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Affiliation(s)
- Yingying Guo
- School of Science, Qingdao University of Technology, 777 JLJ Road, Qingdao 266520, China
- Correspondence: (Y.G.); (S.Y.)
| | - Shuyan Yang
- School of Mechanical and Automotive Engineering, Qingdao University of Technology, 777 JLJ Road, Qingdao 266520, China
- Correspondence: (Y.G.); (S.Y.)
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11
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Cao S, Wu H, Pijpers IAB, Shao J, Abdelmohsen LKEA, Williams DS, van Hest JCM. Cucurbit-Like Polymersomes with Aggregation-Induced Emission Properties Show Enzyme-Mediated Motility. ACS NANO 2021; 15:18270-18278. [PMID: 34668368 PMCID: PMC8613902 DOI: 10.1021/acsnano.1c07343] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/18/2021] [Indexed: 06/06/2023]
Abstract
Polymersomes that incorporate aggregation-induced emission (AIE) moieties are attractive inherently fluorescent nanoparticles with biomedical application potential for cell/tissue imaging and tracking, as well as phototherapeutics. An intriguing feature that has not been explored yet is their ability to adopt a range of asymmetric morphologies. Structural asymmetry allows nanoparticles to be exploited as active (motile) systems. Here, we present the design and preparation of AIE fluorophore integrated (AIEgenic) cucurbit-shaped polymersome nanomotors with enzyme-powered motility. The cucurbit scaffold was constructed via morphology engineering of biodegradable fluorescent AIE-polymersomes, followed by functionalization with enzymatic machinery via a layer-by-layer (LBL) self-assembly process. Because of the enzyme-mediated decomposition of chemical fuel on the cucurbit-like nanomotor surface, enhanced directed motion was attained, when compared with the spherical counterparts. These cucurbit-shaped biodegradable AIE-nanomotors provide a promising platform for the development of active delivery systems with potential for biomedical applications.
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Affiliation(s)
- Shoupeng Cao
- Bio-Organic
Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Hanglong Wu
- Bio-Organic
Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Imke A. B. Pijpers
- Bio-Organic
Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Jingxin Shao
- Bio-Organic
Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Loai K. E. A. Abdelmohsen
- Bio-Organic
Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - David S. Williams
- School
of Cellular and Molecular Medicine, University
of Bristol, University
Walk, Bristol BS8 1TD, U.K.
| | - Jan C. M. van Hest
- Bio-Organic
Chemistry, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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12
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Zheng Y, Wang Z, Li Z, Liu H, Wei J, Peng C, Zhou Y, Li J, Fu Q, Tan H, Ding M. Ordered Conformation‐Regulated Vesicular Membrane Permeability. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109637] [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)
- Yi Zheng
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Zuojie Wang
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Zifen Li
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Hang Liu
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Jing Wei
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Chuan Peng
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Yeqiang Zhou
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Jianshu Li
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Qiang Fu
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Hong Tan
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
| | - Mingming Ding
- College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
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13
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Zheng Y, Wang Z, Li Z, Liu H, Wei J, Peng C, Zhou Y, Li J, Fu Q, Tan H, Ding M. Ordered Conformation-Regulated Vesicular Membrane Permeability. Angew Chem Int Ed Engl 2021; 60:22529-22536. [PMID: 34390299 DOI: 10.1002/anie.202109637] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Indexed: 11/07/2022]
Abstract
In nature, the folding and conformation of proteins can control the cell or organelle membrane permeability and regulate the life activities. Here we report the first example of synthetic polypeptide vesicles that regulate their permeability via ordered transition of secondary conformations, in a manner similar to biological systems. The polymersomes undergo a β-sheet to α-helix transition in response to reactive oxygen species (ROS), leading to wall thinning without loss of vesicular integrity. The change of membrane structure increases the vesicular permeability and enables specific transport of payloads with different molecular weights.The change of membrane structure increases the vesicular permeability. As a proof-of-concept, the polymersomes encapsulating enzymes could serve as nanoreactors and carries for glucose-stimulated insulin secretion in vivo inspired by human glucokinase, resulting in safe and effective treatment of type 1 diabetes mellitus in mouse models. This study will help understand the biology of biomembranes and facilitate the engineering of nanoplatforms for biomimicry, biosensing, and controlled delivery applications.
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Affiliation(s)
- Yi Zheng
- Sichuan University, College of Polymer Science and Engineering, 5805, CHINA
| | - Zuojie Wang
- Sichuan University, College of Polymer Science and Engineering, CHINA
| | - Zifen Li
- Sichuan University, College of Polymer Science and Engineering, CHINA
| | - Hang Liu
- Sichuan University, College of Polymer Science and Engineering, CHINA
| | - Jing Wei
- Sichuan University, College of Polymer Science and Engineering, CHINA
| | - Chuan Peng
- Sichuan University, College of Polymer Science and Engineering, CHINA
| | - Yeqiang Zhou
- Sichuan University, College of Polymer Science and Engineering, CHINA
| | - Jianshu Li
- Sichuan University, College of Polymer Science and Engineering, CHINA
| | - Qiang Fu
- Sichuan University, College of Polymer Science and Engineering, CHINA
| | - Hong Tan
- Sichuan University, College of Polymer Science and Engineering, CHINA
| | - Mingming Ding
- Sichuan University, College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, 610065, Chengdu, CHINA
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14
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Bhushan V, Heitz MP, Baker GA, Pandey S. Ionic Liquid-Controlled Shape Transformation of Spherical to Nonspherical Polymersomes via Hierarchical Self-Assembly of a Diblock Copolymer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:5081-5088. [PMID: 33845575 DOI: 10.1021/acs.langmuir.1c00821] [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
Here, we report the self-assembly of poly(ethylene glycol) methyl ether-block-poly(ε-caprolactone) (PEG-b-PCL) copolymer in three ionic liquids (ILs) possessing different cations with common bis(trifluoromethylsulfonyl)imide anion. The observed polymeric nanostructures in ILs were directly visualized by room temperature conventional transmission and field emission scanning electron microscopy and were further examined for their size and shape by dynamic light scattering technique. The results show that through changes in the concentration of PEG-b-PCL and/or changing the solvent by using a different IL, we can effectively induce shape transformation of self-assembled PEG-b-PCL nanostructures in order to generate nonspherical polymersomes, such as worm-like aggregates, stomatocytes, nanotubes, large hexagonal and tubular-shaped polymersomes. These findings provide a promising platform for the design of biodegradable soft dynamic systems in the micro-/nano-motor field for cancer-targeted delivery, diagnosis and imaging-guided therapy, and controlled release of therapeutic drugs for treatment of many diseases. Non-spherical polymersome-based vaccines may be taken up more efficiently, especially against viruses for pulmonary drug delivery than the spherical polymersomes-based.
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Affiliation(s)
- Vidiksha Bhushan
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Mark P Heitz
- Department of Chemistry and Biochemistry, State University of New York at Brockport, Brockport, New York, New York 14420, United States
| | - Gary A Baker
- Department of Chemistry, University of Missouri, Columbia, Missouri 65211, United States
| | - Siddharth Pandey
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
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15
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Katterman C, Pierce C, Larsen J. Combining Nanoparticle Shape Modulation and Polymersome Technology in Drug Delivery. ACS APPLIED BIO MATERIALS 2021; 4:2853-2862. [PMID: 35014381 DOI: 10.1021/acsabm.1c00203] [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] [Indexed: 02/03/2023]
Abstract
This paper highlights the potential benefits of using self-assembled polymeric nanoparticles of various shapes to enhance drug uptake. First, we highlight the growth and development of the polymersome, using a liposome as a blueprint for amphiphilic codelivery. Then, we focus on the advantages of nanoparticle elongation, drawing from the field of solid nanoparticles, as opposed to self-assembled vesicles which have not yet been extensively explored in shape-modulated drug delivery applications. Notably, regardless of the material used in the solid nanoparticle systems, more elongated shapes lead to greater cellular uptake, decreased interaction with the reticuloendothelial system macrophages, and increased circulation times. Finally, we highlight the methods currently being developed to modulate polymersome shape, thus providing a drug delivery system with the benefits derived from amphiphilicity and elongated structures. Current methods employed to modulate polymersome shape involve osmotic pressure gradients, solvent switching, and the use of cross-linking agents. Although these methods are successful in modulating polymersome shapes and the benefits of elongated nanoparticles in therapeutic targeting are clear, these methods have not yet been explored for applications in drug delivery.
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16
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Chidanguro T, Simon YC. Bent out of shape: towards non‐spherical polymersome morphologies. POLYM INT 2021. [DOI: 10.1002/pi.6203] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Tamuka Chidanguro
- School of Polymer Science and Engineering University of Southern Mississippi Hattiesburg MS USA
| | - Yoan C. Simon
- School of Polymer Science and Engineering University of Southern Mississippi Hattiesburg MS USA
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17
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Toebes BJ, Wilson DA. Membrane folding and shape transformation in biomimetic vesicles. SOFT MATTER 2021; 17:1724-1730. [PMID: 33464275 DOI: 10.1039/d0sm01932a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Polymeric self-assembled structures have been a topic of interest in the last few decades, specifically for the use of biomedical applications, such as drug delivery. It is exciting to investigate the formation of various shapes and sizes of such structures, as the morphology is crucial for their function. In this manuscript the important factors to control the morphology during self-assembly and subsequent shape transformation processes are discussed. We describe the main parameters to control and show the practical application of these parameters on biodegradable amphiphilic PEG-PDLLA block-copolymers. Thereby a variety of different morphologies, including micelles, worms, LCVs, discs, rods, stomatocytes, nested vesicles, and spherical vesicles of various sizes are created using only four diblock-copolymers and with careful tuning of two organic solvents. Further advances will lead to formation of more complex structures.
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Affiliation(s)
- B Jelle Toebes
- Systems Chemistry Department, Institute for Molecules and Materials, Radboud University, Nijmegen, The Netherlands.
| | - Daniela A Wilson
- Systems Chemistry Department, Institute for Molecules and Materials, Radboud University, Nijmegen, The Netherlands.
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18
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Rakshit S, Das S, Govindaraj V, Maini R, Kumar A, Datta A. Morphological Evolution of Strongly Fluorescent Water Soluble AIEEgen-Triblock Copolymer Mixed Aggregates with Shape-Dependent Cell Permeability. J Phys Chem B 2020; 124:10282-10291. [PMID: 33135898 DOI: 10.1021/acs.jpcb.0c07820] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Dimethyl-2,5-bis(4-methoxyphenylamino)terephthalate (DBMPT) is a water-insoluble fluorogenic molecule, which has been rendered water-soluble in physiological conditions, by the addition of triblock copolymers (TBPs), P123 (PEO19PPO69PEO19), and F127 (PEO100PPO65PEO100). DBMPT-TBP mixed aggregates, formed in the process, exhibit significant aggregation-induced enhancement of emission, with nanosecond fluorescence lifetimes. Dynamics involved in suppression of nonradiative pathways and consequent enhancement of fluorescence are followed by femtosecond transient absorption and time-resolved fluorescence spectroscopic techniques. Interestingly, shapes of the aggregates formed with the two TBPs are found to be very different, even though they differ only in the length of hydrophilic blocks. DBMPT-P123 aggregates are micrometer-sized and spherical, while DBMPT-F127 aggregates form nanorods. Evolution of their morphologies, as a function of TBP concentration, is monitored using cryo-TEM, FESEM, and fluorescence lifetime imaging microscopy. Fluorescence lifetime distribution provides useful insight into microheterogeneity in these mixed aggregates. Excellent cell permeability is observed for DBMPT-F127 nanorods, in contrast to DBMPT-P123 microspheres. These fluorescent nanorods exhibit the ability to mark lipid droplets within the cell and hence bear the promise for application in intracellular imaging.
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Affiliation(s)
- Soumyadipta Rakshit
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Sharmistha Das
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Vinodhini Govindaraj
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Ratika Maini
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Anil Kumar
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Anindya Datta
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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19
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Chidanguro T, Ghimire E, Simon YC. Shape-transformation of polymersomes from glassy and crosslinkable ABA triblock copolymers. J Mater Chem B 2020; 8:8914-8924. [PMID: 33026406 DOI: 10.1039/d0tb01643h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Recent developments in the field of polymer vesicles, i.e. polymersomes, have demonstrated that disrupting the equilibrium conditions of the milieu could lead to shape transformation into stable non-spherical morphologies, bringing on-demand shape control to reality and bearing great promise for cell mimicry and a variety of biomedical applications. Here, we studied the self-assembly behavior of glassy amphiphilic triblock copolymers, poly(ethylene glycol)-block-polystyrene-stat-poly(coumarin methacrylate)-block-poly(ethylene glycol) (PEG-b-P(S-stat-CMA)-b-PEG), and their response to various stimuli. By changing the respective molecular weights of both the hydrophobic P(S-stat-CMA) and the hydrophilic PEG blocks, we varied the hydrophobic volume fraction thereby accessing a range of morphologies from spherical and worm-like micelles, as well as polymersomes. For the latter, we observed that slow osmotic pressure changes induced by dialysis led to a decrease in size while rapid osmotic pressure changes by addition of a PEG fusogen led to morphological transformations into rod-like and tubular polymersomes. We also found out that chemically crosslinking the vesicles before inducing osmotic pressure changes led to the vesicles exhibiting hypotonic shock, atypical for glassy polymersomes. We believe that this approach combining the robustness of triblock copolymers and light-based transformations will help expand the toolbox to design ever more complex biomimetic constructs.
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Affiliation(s)
- Tamuka Chidanguro
- School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Dr, #5050, Hattiesburg, 39406, MS, USA.
| | - Elina Ghimire
- School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Dr, #5050, Hattiesburg, 39406, MS, USA.
| | - Yoan C Simon
- School of Polymer Science and Engineering, The University of Southern Mississippi, 118 College Dr, #5050, Hattiesburg, 39406, MS, USA.
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21
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Tjandra KC, Forest CR, Wong CK, Alcantara S, Kelly HG, Ju Y, Stenzel MH, McCarroll JA, Kavallaris M, Caruso F, Kent SJ, Thordarson P. Modulating the Selectivity and Stealth Properties of Ellipsoidal Polymersomes through a Multivalent Peptide Ligand Display. Adv Healthc Mater 2020; 9:e2000261. [PMID: 32424998 DOI: 10.1002/adhm.202000261] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 04/20/2020] [Indexed: 12/16/2022]
Abstract
There is a need for improved nanomaterials to simultaneously target cancer cells and avoid non-specific clearance by phagocytes. An ellipsoidal polymersome system is developed with a unique tunable size and shape property. These particles are functionalized with in-house phage-display cell-targeting peptide to target a medulloblastoma cell line in vitro. Particle association with medulloblastoma cells is modulated by tuning the peptide ligand density on the particles. These polymersomes has low levels of association with primary human blood phagocytes. The stealth properties of the polymersomes are further improved by including the peptide targeting moiety, an effect that is likely driven by the peptide protecting the particles from binding blood plasma proteins. Overall, this ellipsoidal polymersome system provides a promising platform to explore tumor cell targeting in vivo.
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Affiliation(s)
- Kristel C. Tjandra
- School of ChemistryThe University of New South Wales Sydney NSW 2052 Australia
- Australian Centre for NanomedicineThe University of New South Wales Sydney NSW 2052 Australia
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
| | - Chelsea R. Forest
- School of ChemistryThe University of New South Wales Sydney NSW 2052 Australia
- Australian Centre for NanomedicineThe University of New South Wales Sydney NSW 2052 Australia
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
| | - Chin Ken Wong
- School of ChemistryThe University of New South Wales Sydney NSW 2052 Australia
- Australian Centre for NanomedicineThe University of New South Wales Sydney NSW 2052 Australia
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
| | - Sheilajen Alcantara
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
- Department of Microbiology and ImmunologyThe University of Melbourne at the Peter Doherty Institute for Infection and Immunity Parkville VIC 3000 Australia
| | - Hannah G. Kelly
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
- Department of Microbiology and ImmunologyThe University of Melbourne at the Peter Doherty Institute for Infection and Immunity Parkville VIC 3000 Australia
| | - Yi Ju
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
- Department of Chemical EngineeringThe University of Melbourne Parkville VIC 3010 Australia
| | - Martina H. Stenzel
- School of ChemistryThe University of New South Wales Sydney NSW 2052 Australia
- School of ChemistryCentre for Advanced Macromolecular Design (CAMD)The University of New South Wales Sydney NSW 2052 Australia
| | - Joshua A. McCarroll
- Australian Centre for NanomedicineThe University of New South Wales Sydney NSW 2052 Australia
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
- Translational Cancer Nanomedicine ThemeChildren's Cancer InstituteLowy Cancer Research CentreThe University of New South Wales Sydney NSW 2031 Australia
- School of Women's and Children's HealthFaculty of MedicineThe University of New South Wales Sydney NSW 2052 Australia
| | - Maria Kavallaris
- Australian Centre for NanomedicineThe University of New South Wales Sydney NSW 2052 Australia
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
- Translational Cancer Nanomedicine ThemeChildren's Cancer InstituteLowy Cancer Research CentreThe University of New South Wales Sydney NSW 2031 Australia
- School of Women's and Children's HealthFaculty of MedicineThe University of New South Wales Sydney NSW 2052 Australia
| | - Frank Caruso
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
- Department of Chemical EngineeringThe University of Melbourne Parkville VIC 3010 Australia
| | - Stephen J. Kent
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
- Department of Microbiology and ImmunologyThe University of Melbourne at the Peter Doherty Institute for Infection and Immunity Parkville VIC 3000 Australia
| | - Pall Thordarson
- School of ChemistryThe University of New South Wales Sydney NSW 2052 Australia
- Australian Centre for NanomedicineThe University of New South Wales Sydney NSW 2052 Australia
- ARC Centre of Excellence in Convergent Bio‐Nano Science and Technology Australia
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22
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23
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Affiliation(s)
- Jiangang Xiao
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai 200072, China
- Department of Polymeric Materials, School of Materials Science and Engineering, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, 4800 Caoan Road, Shanghai 201804, China
| | - Jianzhong Du
- Department of Orthopedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai 200072, China
- Department of Polymeric Materials, School of Materials Science and Engineering, Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, 4800 Caoan Road, Shanghai 201804, China
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24
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Men Y, Li W, Tu Y, Peng F, Janssen GJA, Nolte RJM, Wilson DA. Nonequilibrium Reshaping of Polymersomes via Polymer Addition. ACS NANO 2019; 13:12767-12773. [PMID: 31697471 PMCID: PMC6887890 DOI: 10.1021/acsnano.9b04740] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Polymersomes are a class of artificial liposomes, assembled from amphiphilic synthetic block copolymers, holding great promise toward applications in nanomedicine. The diversity in polymersome morphological shapes and, in particular, the precise control of these shapes, which is an important aspect in drug delivery studies, remains a great challenge. This is due to a lack of general methodologies that can be applied and the inability to capture the morphologies at the nanometer scale. Here, we present a methodology that can accurately control the shape of polymersomes via the addition of polyethylene glycol (PEG) under nonequilibrium conditions. Various shapes including spheres, ellipsoids, tubes, discs, stomatocytes, nests, stomatocyte-in-stomatocytes, disc-in-discs, and large compound vesicles (LCVs) can be uniformly captured by adjusting the water content and the PEG concentration. Moreover, these shapes undergo nonequilibrium changes in time, which is reflected in their phase diagram changes. This research provides a universal tool to fabricate all shapes of polymersomes by controlling three variables: water content, PEG concentration, and time. The use of the biofriendly polymer PEG enables the application of this methodology in the field of nanomedicine.
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25
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Cui S, Yu L, Ding J. Thermogelling of Amphiphilic Block Copolymers in Water: ABA Type versus AB or BAB Type. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00534] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Shuquan Cui
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Lin Yu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
| | - Jiandong Ding
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China
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26
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Wong CK, Stenzel MH, Thordarson P. Non-spherical polymersomes: formation and characterization. Chem Soc Rev 2019; 48:4019-4035. [DOI: 10.1039/c8cs00856f] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This tutorial review summarizes recent efforts over the past decade to study the morphological transformation of conventionally spherical polymersomes into non-spherical polymersomes.
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Affiliation(s)
- Chin Ken Wong
- School of Chemistry
- University of New South Wales
- Sydney
- Australia
- The Australian Centre for Nanomedicine and the ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
| | - Martina H. Stenzel
- School of Chemistry
- University of New South Wales
- Sydney
- Australia
- Centre for Advanced Macromolecular Design (CAMD)
| | - Pall Thordarson
- School of Chemistry
- University of New South Wales
- Sydney
- Australia
- The Australian Centre for Nanomedicine and the ARC Centre of Excellence in Convergent Bio-Nano Science and Technology
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