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Gaur D, Dubey NC, Tripathi BP. Designing Configurable Soft Microgelsomes as a Smart Biomimetic Protocell. Biomacromolecules 2024; 25:1108-1118. [PMID: 38236272 DOI: 10.1021/acs.biomac.3c01127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Self-assembly is an intriguing aspect of primitive cells. The construction of a semipermeable compartment with a robust framework of soft material capable of housing an array of functional components for chemical changes is essential for the fabrication of synthetic protocells. Microgels, loosely cross-linked polymer networks, are suitable building blocks for protocell capsule generation due to their porous structure, tunable properties, and assembly at the emulsion interface. Here, we present an interfacial assembly of microgel-based microcompartments (microgelsomes, MGC) that are defined by a semipermeable, temperature-responsive elastic membrane formed by densely packed microgels in a monolayer. The water-dispersible microgelsomes can thermally shuttle between 10 and 95 °C while retaining their structural integrity. Importantly, the microgelsomes exhibited distinct properties of protocells, such as cargo encapsulation, semipermeable membrane, DNA amplification, and membrane-gated compartmentalized enzymatic cascade reaction. This versatile approach for the construction of biomimetic microcompartments augments the protocell library and paves the way for programmable synthetic cells.
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Affiliation(s)
- Divya Gaur
- Functional Materials & Membranes Laboratory, Department of Materials Science & Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Nidhi C Dubey
- Department of Molecular Medicine, Jamia Hamdard, New Delhi 110062, India
| | - Bijay P Tripathi
- Functional Materials & Membranes Laboratory, Department of Materials Science & Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
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2
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Kumar S, Karmacharya M, Cho YK. Bridging the Gap between Nonliving Matter and Cellular Life. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2202962. [PMID: 35988151 DOI: 10.1002/smll.202202962] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 07/28/2022] [Indexed: 06/15/2023]
Abstract
A cell, the fundamental unit of life, contains the requisite blueprint information necessary to survive and to build tissues, organs, and systems, eventually forming a fully functional living creature. A slight structural alteration can result in data misprinting, throwing the entire life process off balance. Advances in synthetic biology and cell engineering enable the predictable redesign of biological systems to perform novel functions. Individual functions and fundamental processes at the core of the biology of cells can be investigated by employing a synthetically constrained micro or nanoreactor. However, constructing a life-like structure from nonliving building blocks remains a considerable challenge. Chemical compartments, cascade signaling, energy generation, growth, replication, and adaptation within micro or nanoreactors must be comparable with their biological counterparts. Although these reactors currently lack the power and behavioral sophistication of their biological equivalents, their interface with biological systems enables the development of hybrid solutions for real-world applications, such as therapeutic agents, biosensors, innovative materials, and biochemical microreactors. This review discusses the latest advances in cell membrane-engineered micro or nanoreactors, as well as the limitations associated with high-throughput preparation methods and biological applications for the real-time modulation of complex pathological states.
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Affiliation(s)
- Sumit Kumar
- Center for Soft and Living Matter, Institute for Basic Science (IBS), UNIST-gil 50, Ulsan, 44919, Republic of Korea
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
| | - Mamata Karmacharya
- Center for Soft and Living Matter, Institute for Basic Science (IBS), UNIST-gil 50, Ulsan, 44919, Republic of Korea
- Department of Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
| | - Yoon-Kyoung Cho
- Center for Soft and Living Matter, Institute for Basic Science (IBS), UNIST-gil 50, Ulsan, 44919, Republic of Korea
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), UNIST-gil 50, Ulsan, 44919, Republic of Korea
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3
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Toor R, Neujahr Copstein A, Trébuchet C, Goudeau B, Garrigue P, Lapeyre V, Perro A, Ravaine V. Responsive microgels-based colloidosomes constructed from all-aqueous pH-switchable coacervate droplets. J Colloid Interface Sci 2023; 630:66-75. [DOI: 10.1016/j.jcis.2022.10.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/12/2022] [Accepted: 10/15/2022] [Indexed: 11/21/2022]
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4
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Jiang W, Wu Z, Gao Z, Wan M, Zhou M, Mao C, Shen J. Artificial Cells: Past, Present and Future. ACS NANO 2022; 16:15705-15733. [PMID: 36226996 DOI: 10.1021/acsnano.2c06104] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Artificial cells are constructed to imitate natural cells and allow researchers to explore biological process and the origin of life. The construction methods for artificial cells, through both top-down or bottom-up approaches, have achieved great progress over the past decades. Here we present a comprehensive overview on the development of artificial cells and their properties and applications. Artificial cells are derived from lipids, polymers, lipid/polymer hybrids, natural cell membranes, colloidosome, metal-organic frameworks and coacervates. They can be endowed with various functions through the incorporation of proteins and genes on the cell surface or encapsulated inside of the cells. These modulations determine the properties of artificial cells, including producing energy, cell growth, morphology change, division, transmembrane transport, environmental response, motility and chemotaxis. Multiple applications of these artificial cells are discussed here with a focus on therapeutic applications. Artificial cells are used as carriers for materials and information exchange and have been shown to function as targeted delivery systems of personalized drugs. Additionally, artificial cells can function to substitute for cells with impaired function. Enzyme therapy and immunotherapy using artificial cells have been an intense focus of research. Finally, prospects of future development of cell-mimic properties and broader applications are highlighted.
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Affiliation(s)
- Wentao Jiang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Ziyu Wu
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Zheng Gao
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Mimi Wan
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Min Zhou
- Department of Vascular Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Chun Mao
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Jian Shen
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
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5
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Samanta A, Hörner M, Liu W, Weber W, Walther A. Signal-processing and adaptive prototissue formation in metabolic DNA protocells. Nat Commun 2022; 13:3968. [PMID: 35803944 PMCID: PMC9270428 DOI: 10.1038/s41467-022-31632-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 06/28/2022] [Indexed: 11/09/2022] Open
Abstract
The fundamental life-defining processes in living cells, such as replication, division, adaptation, and tissue formation, occur via intertwined metabolic reaction networks that process signals for downstream effects with high precision in a confined, crowded environment. Hence, it is crucial to understand and reenact some of these functions in wholly synthetic cell-like entities (protocells) to envision designing soft materials with life-like traits. Herein, we report on all-DNA protocells composed of a liquid DNA interior and a hydrogel-like shell, harboring a catalytically active DNAzyme, that converts DNA signals into functional metabolites that lead to downstream adaptation processes via site-selective strand displacement reactions. The downstream processes include intra-protocellular phenotype-like changes, prototissue formation via multivalent interactions, and chemical messenger communication between active sender and dormant receiver cell populations for sorted heteroprototissue formation. The approach integrates several tools of DNA-nanoscience in a synchronized way to mimic life-like behavior in artificial systems for future interactive materials.
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Affiliation(s)
- Avik Samanta
- A3BMS Lab, University of Mainz, Department of Chemistry, Duesbergweg 10-14, 55128, Mainz, Germany.
| | - Maximilian Hörner
- Faculty of Biology, Cluster of Excellence CIBSS - Centre for Integrative Biological Signalling Studies, University of Freiburg, 79104, Freiburg, Germany
| | - Wei Liu
- A3BMS Lab, University of Mainz, Department of Chemistry, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Wilfried Weber
- Faculty of Biology, Cluster of Excellence CIBSS - Centre for Integrative Biological Signalling Studies, University of Freiburg, 79104, Freiburg, Germany
| | - Andreas Walther
- A3BMS Lab, University of Mainz, Department of Chemistry, Duesbergweg 10-14, 55128, Mainz, Germany. .,Cluster of Excellence livMatS @ FIT - Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, 79110, Freiburg, Germany.
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6
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Shang L, Ye F, Li M, Zhao Y. Spatial confinement toward creating artificial living systems. Chem Soc Rev 2022; 51:4075-4093. [PMID: 35502858 DOI: 10.1039/d1cs01025e] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Lifeforms are regulated by many physicochemical factors, and these factors could be controlled to play a role in the construction of artificial living systems. Among these factors, spatial confinement is an important one, which mediates biological behaviors at multiscale levels and participates in the biomanufacturing processes accordingly. This review describes how spatial confinement, as a fundamental biological phenomenon, provides cues for the construction of artificial living systems. Current knowledge about the role of spatial confinement in mediating individual cell behavior, collective cellular behavior, and tissue-level behavior are categorized. Endeavors on the synthesis of biomacromolecules, artificial cells, engineered tissues, and organoids in spatially confined bioreactors are then emphasized. After that, we discuss the cutting-edge applications of spatially confined artificial living systems in biomedical fields. Finally, we conclude by assessing the remaining challenges and future trends in the context of fundamental science, technical improvement, and practical applications.
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Affiliation(s)
- Luoran Shang
- Department of Rheumatology and Immunology, Institute of Translational Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, China. .,Shanghai Xuhui Central Hospital, Zhongshan-Xuhui Hospital, and the Shanghai Key Laboratory of Medical Epigenetics, International Co-laboratory of Medical Epigenetics and Metabolism (Ministry of Science and Technology), Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Fangfu Ye
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China. .,Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health); Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325001, China.
| | - Ming Li
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
| | - Yuanjin Zhao
- Department of Rheumatology and Immunology, Institute of Translational Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, China. .,Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health); Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325001, China.
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7
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8
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Electrochemical synthesis of catalytic materials for energy catalysis. CHINESE JOURNAL OF CATALYSIS 2022. [DOI: 10.1016/s1872-2067(21)63940-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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Biocatalytic self-assembled synthetic vesicles and coacervates: From single compartment to artificial cells. Adv Colloid Interface Sci 2022; 299:102566. [PMID: 34864354 DOI: 10.1016/j.cis.2021.102566] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Revised: 11/15/2021] [Accepted: 11/19/2021] [Indexed: 12/18/2022]
Abstract
Compartmentalization is an intrinsic feature of living cells that allows spatiotemporal control over the biochemical pathways expressed in them. Over the years, a library of compartmentalized systems has been generated, which includes nano to micrometer sized biomimetic vesicles derived from lipids, amphiphilic block copolymers, peptides, and nanoparticles. Biocatalytic vesicles have been developed using a simple bag containing enzyme design of liposomes to multienzymes immobilized multi-vesicular compartments for artificial cell generation. Additionally, enzymes were also entrapped in membrane-less coacervate droplets to mimic the cytoplasmic macromolecular crowding mechanisms. Here, we have discussed different types of single and multicompartment systems, emphasizing their recent developments as biocatalytic self-assembled structures using recent examples. Importantly, we have summarized the strategies in the development of the self-assembled structure to improvise their adaptivity and flexibility for enzyme immobilization. Finally, we have presented the use of biocatalytic assemblies in mimicking different aspects of living cells, which further carves the path for the engineering of a minimal cell.
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10
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Chemically controlled pattern formation in self-oscillating elastic shells. Proc Natl Acad Sci U S A 2021; 118:2025717118. [PMID: 33649242 DOI: 10.1073/pnas.2025717118] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Patterns and morphology develop in living systems such as embryos in response to chemical signals. To understand and exploit the interplay of chemical reactions with mechanical transformations, chemomechanical polymer systems have been synthesized by attaching chemicals into hydrogels. In this work, we design autonomous responsive elastic shells that undergo morphological changes induced by chemical reactions. We couple the local mechanical response of the gel with the chemical processes on the shell. This causes swelling and deswelling of the gel, generating diverse morphological changes, including periodic oscillations. We further introduce a mechanical instability and observe buckling-unbuckling dynamics with a response time delay. Moreover, we investigate the mechanical feedback on the chemical reaction and demonstrate the dynamic patterns triggered by an initial deformation. We show the chemical characteristics that account for the shell morphology and discuss the future designs for autonomous responsive materials.
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11
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Huang D, Han H, Guo C, Lin X, Chen D, Yang S, Yang Q, Li F. Information processing using an integrated DNA reaction network. NANOSCALE 2021; 13:5706-5713. [PMID: 33683263 DOI: 10.1039/d0nr09148k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Living organisms use interconnected chemical reaction networks (CRNs) to exchange information with the surrounding environment and respond to diverse external stimuli. Inspired by nature, numerous artificial CRNs with a complex information processing function have been recently introduced, with DNA as one of the most attractive engineering materials. Although much progress has been made in DNA-based CRNs in terms of controllable reaction dynamics and molecular computation, the effective integration of signal translation with information processing in a single CRN remains to be difficult. In this work, we introduced a stimuli-responsive DNA reaction network capable of integrated information translation and processing in a stepwise manner. This network is designed to integrate sensing, translation, and decision-making operations by independent modules, in which various logic units capable of performing different functions were realized, including information identification (YES and OR gates), integration (AND and AND-AND gates), integration-filtration (AND-AND-NOT gate), comparison (Comparator), and map-to-map analysis (Feynman gate). Benefitting from the modular and programmable design, continuous and parallel processing operations are also possible. With the innovative functions, we show that the DNA network is a highly useful addition to the current DNA-based CRNs by offering a bottom-up strategy to design devices capable of cascaded information processing with high efficiency.
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Affiliation(s)
- Dan Huang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China.
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12
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Hu Y, Tresback J, Pérez-Mercader J. Preparation of ruthenium-functionalized microgels through the intermolecular crosslinking of two functionalized polymers within droplets and study of their chemical/ photo-active behaviors. Polym Degrad Stab 2020. [DOI: 10.1016/j.polymdegradstab.2020.109345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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13
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Liu Z, Zhou W, Qi C, Kong T. Interface Engineering in Multiphase Systems toward Synthetic Cells and Organelles: From Soft Matter Fundamentals to Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2002932. [PMID: 32954548 DOI: 10.1002/adma.202002932] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/19/2020] [Indexed: 06/11/2023]
Abstract
Synthetic cells have a major role in gaining insight into the complex biological processes of living cells; they also give rise to a range of emerging applications from gene delivery to enzymatic nanoreactors. Living cells rely on compartmentalization to orchestrate reaction networks for specialized and coordinated functions. Principally, the compartmentalization has been an essential engineering theme in constructing cell-mimicking systems. Here, efforts to engineer liquid-liquid interfaces of multiphase systems into membrane-bounded and membraneless compartments, which include lipid vesicles, polymer vesicles, colloidosomes, hybrids, and coacervate droplets, are summarized. Examples are provided of how these compartments are designed to imitate biological behaviors or machinery, including molecule trafficking, growth, fusion, energy conversion, intercellular communication, and adaptivity. Subsequently, the state-of-art applications of these cell-inspired synthetic compartments are discussed. Apart from being simplified and cell models for bridging the gap between nonliving matter and cellular life, synthetic compartments also are utilized as intracellular delivery vehicles for nuclei acids and nanoreactors for biochemical synthesis. Finally, key challenges and future directions for achieving the full potential of synthetic cells are highlighted.
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Affiliation(s)
- Zhou Liu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518000, China
| | - Wen Zhou
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong, 518000, China
| | - Cheng Qi
- College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen, 518000, China
| | - Tiantian Kong
- Department of Biomedical Engineering, School of Medicine, Shenzhen University, Shenzhen, Guangdong, 518000, China
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14
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Lu Z, Guo J. Growing Polymer Vesicles Generated by Polymerization Induced Self-Assembly Coupled With a Living Chemical Reactor. Front Bioeng Biotechnol 2020; 8:1018. [PMID: 32984286 PMCID: PMC7490293 DOI: 10.3389/fbioe.2020.01018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 08/04/2020] [Indexed: 12/01/2022] Open
Abstract
Chemical oscillatory reactions have attracted intensive attention due to their autonomous, continuous, and periodic features. Herein, the radicals generated in Belousov-Zhabotinsky (BZ) oscillator was used to initiate RAFT (reversible addition-fragmentation chain transfer) polymerization of 2-methoxyethyl acrylate (MEA) extending from hydrophilic poly(ethylene glycol) chain transfer agent (PEG-CTA) to give amphiphilic block copolymer, which self-assembled into collective objects with a size ranging from sub-micron to micron. Small-to-giant polymer vesicles could be generated using the above-mentioned BZ-PISA technology, the encapsulation of active BZ recipe into the vesicles also endorses the vesicles with growing features with potential for drug delivery and biomedical applications.
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Affiliation(s)
- Zhihui Lu
- Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
- *Correspondence: Zhihui Lu,
| | - Jinshan Guo
- Department of Earth and Planetary Science and Origin of Life Initiative, Harvard University, Cambridge, MA, United States
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15
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Shao Q, Zhang S, Hu Z, Zhou Y. Multimode Self‐Oscillating Vesicle Transformers. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007840] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Qing Shao
- School of Chemistry and Chemical Engineering MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage Harbin Institute of Technology Harbin 150001 China
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Shaodong Zhang
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Zhen Hu
- School of Chemistry and Chemical Engineering MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage Harbin Institute of Technology Harbin 150001 China
| | - Yongfeng Zhou
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
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16
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Shao Q, Zhang S, Hu Z, Zhou Y. Multimode Self‐Oscillating Vesicle Transformers. Angew Chem Int Ed Engl 2020; 59:17125-17129. [DOI: 10.1002/anie.202007840] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Indexed: 12/31/2022]
Affiliation(s)
- Qing Shao
- School of Chemistry and Chemical Engineering MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage Harbin Institute of Technology Harbin 150001 China
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Shaodong Zhang
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Zhen Hu
- School of Chemistry and Chemical Engineering MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage Harbin Institute of Technology Harbin 150001 China
| | - Yongfeng Zhou
- School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
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17
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Cheng G, Perez-Mercader J. Dissipative Self-Assembly of Dynamic Multicompartmentalized Microsystems with Light-Responsive Behaviors. Chem 2020. [DOI: 10.1016/j.chempr.2020.02.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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18
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Ren J, Zhang L, Tao L, Zhang A, Yang W. Sustained larger-amplitude self-oscillations induced by the BZ reaction involving Fe(phen)3 catalyst. SN APPLIED SCIENCES 2019. [DOI: 10.1007/s42452-019-1410-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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19
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Xia Y, Na X, Wu J, Ma G. The Horizon of the Emulsion Particulate Strategy: Engineering Hollow Particles for Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1801159. [PMID: 30260511 DOI: 10.1002/adma.201801159] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Revised: 07/06/2018] [Indexed: 05/13/2023]
Abstract
With their hierarchical structures and the substantial surface areas, hollow particles have gained immense research interest in biomedical applications. For scalable fabrications, emulsion-based approaches have emerged as facile and versatile strategies. Here, the recent achievements in this field are unfolded via an "emulsion particulate strategy," which addresses the inherent relationship between the process control and the bioactive structures. As such, the interior architectures are manipulated by harnessing the intermediate state during the emulsion revolution (intrinsic strategy), whereas the external structures are dictated by tailoring the building blocks and solidification procedures of the Pickering emulsion (extrinsic strategy). Through integration of the intrinsic and extrinsic emulsion particulate strategy, multifunctional hollow particles demonstrate marked momentum for label-free multiplex detections, stimuli-responsive therapies, and stem cell therapies.
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Affiliation(s)
- Yufei Xia
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xiangming Na
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jie Wu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- PLA Key Laboratory of Biopharmaceutical Production & Formulation Engineering Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Guanghui Ma
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- PLA Key Laboratory of Biopharmaceutical Production & Formulation Engineering Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing, 211816, P. R. China
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20
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Homma K, Masuda T, Akimoto AM, Nagase K, Okano T, Yoshida R. Stable and Prolonged Autonomous Oscillation in a Self-Oscillating Polymer Brush Prepared on a Porous Glass Substrate. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:9794-9801. [PMID: 31288512 DOI: 10.1021/acs.langmuir.9b00928] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We developed an autonomous functional surface, named a "self-oscillating polymer brush surface", which exhibits swelling-deswelling of the modified polymer chains synchronized with the Belousov-Zhabotinsky (BZ) reaction. The grafted polymer chain is a random copolymer composed of thermoresponsive N-isopropylacrylamide, N-(3-aminopropyl)methacrylamide, and ruthenium tris(2,2'-bipyridine) [Ru(bpy)3]. To provide stable oscillations over a long period of time, suppression of the dilution of the BZ reactants inside the polymer surface and the increase in the amount of immobilized Ru(bpy)3 are important. Here, we modified the self-oscillating polymer brush on a porous glass substrate and characterized its dynamic behavior. The increased surface area of the porous glass allowed for an efficient introduction of the metal catalyst, which resulted in a stable BZ reaction observable by optical microscopy. Compared with an aqueous BZ solution and the self-oscillating polymer modified on a glass coverslip, the wave velocity and diffusion coefficient were significantly lower for the porous glass system, which suggested that the reaction-diffusion of the reactants was markedly different than those of the other two systems. Moreover, the wave velocity was unchanged on the porous glass system for 1 h, whereas that of the solution dropped by 30 μm s-1. Waveform analyses based on the Field-Körös-Noyes mechanism revealed that densely packed Ru(bpy)3 in the porous glass system affects the duration of the key processes in the BZ reaction. These findings can help with understanding the dynamic behavior of the self-oscillating polymer brush on a porous glass substrate. Stable self-oscillations on the polymer brush-grafted porous glass substrate will aid future applications such as mass transport systems.
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Affiliation(s)
- Kenta Homma
- Department of Materials Engineering, School of Engineering , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-8656 , Japan
| | - Tsukuru Masuda
- Department of Materials Engineering, School of Engineering , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-8656 , Japan
| | - Aya Mizutani Akimoto
- Department of Materials Engineering, School of Engineering , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-8656 , Japan
| | - Kenichi Nagase
- Institute of Advanced Biomedical Engineering and Science , Tokyo Women's Medical University , TWIns, 8-1 Kawada-cho, Shinjuku , Tokyo 162-8666 , Japan
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science , Tokyo Women's Medical University , TWIns, 8-1 Kawada-cho, Shinjuku , Tokyo 162-8666 , Japan
- Cell Sheet Tissue Engineering Center (CSTEC), Department of Pharmaceutics and Pharmaceutical Chemistry , University of Utah , 30 South 2000 East , Salt Lake City , Utah 84112 , United States
| | - Ryo Yoshida
- Department of Materials Engineering, School of Engineering , The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku , Tokyo 113-8656 , Japan
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21
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Liu H, Yang Q, Peng R, Kuai H, Lyu Y, Pan X, Liu Q, Tan W. Artificial Signal Feedback Network Mimicking Cellular Adaptivity. J Am Chem Soc 2019; 141:6458-6461. [DOI: 10.1021/jacs.8b13816] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Hui Liu
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha Hunan, 410082, China
| | - Qiuxia Yang
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha Hunan, 410082, China
| | - Ruizi Peng
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha Hunan, 410082, China
| | - Hailan Kuai
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha Hunan, 410082, China
| | - Yifan Lyu
- Institute of Molecular Medicine (IMM), Renji Hospital, Shanghai Jiao Tong University School of Medicine, and College of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaoshu Pan
- Department of Chemistry and Department of Physiology and Functional Genomics, Center for Research at the Bio/Nano Interface, Health Cancer Center, UF Genetics Institute and McKnight Brain Institute, University of Florida, Gainesville, Florida 32611-7200, United States
| | - Qiaoling Liu
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha Hunan, 410082, China
| | - Weihong Tan
- Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha Hunan, 410082, China
- Department of Chemistry and Department of Physiology and Functional Genomics, Center for Research at the Bio/Nano Interface, Health Cancer Center, UF Genetics Institute and McKnight Brain Institute, University of Florida, Gainesville, Florida 32611-7200, United States
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22
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Guo J, Poros-Tarcali E, Perez-Mercader J. Evolving polymersomes autonomously generated in and regulated by a semibatch pH oscillator. Chem Commun (Camb) 2019; 55:9383-9386. [PMID: 31318365 DOI: 10.1039/c9cc03486b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
pH-O-PISA: a semibatch pH oscillator drives polymerization by generating radicals periodically while simultaneously regulating the evolution of the self-assembled polymersomes.
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Affiliation(s)
- Jinshan Guo
- Department of Earth and Planetary Science and Origin of Life Initiative
- Harvard University
- Cambridge
- USA
| | - Eszter Poros-Tarcali
- Department of Earth and Planetary Science and Origin of Life Initiative
- Harvard University
- Cambridge
- USA
| | - Juan Perez-Mercader
- Department of Earth and Planetary Science and Origin of Life Initiative
- Harvard University
- Cambridge
- USA
- Santa Fe Institute
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23
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Masuda T, Ueki T, Tamate R, Matsukawa K, Yoshida R. Chemomechanical Motion of a Self‐Oscillating Gel in a Protic Ionic Liquid. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Tsukuru Masuda
- Department of Materials EngineeringSchool of EngineeringThe University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Present address: Department of Life Science and TechnologyTokyo Institute of Technology 4259 B-57, Nagatsuta Yokohama 226-8501 Japan
| | - Takeshi Ueki
- WPI Research Center International Center for Materials Nanoarchitectonics (MANA)National Institute of Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Ryota Tamate
- Department of Materials EngineeringSchool of EngineeringThe University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Present address: Department of Chemistry and BiotechnologyYokohama National University 79-5 Tokiwadai, Hodogaya-ku Yokohama 240-8501 Japan
| | - Ko Matsukawa
- Department of Materials EngineeringSchool of EngineeringThe University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Ryo Yoshida
- Department of Materials EngineeringSchool of EngineeringThe University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
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24
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Masuda T, Ueki T, Tamate R, Matsukawa K, Yoshida R. Chemomechanical Motion of a Self-Oscillating Gel in a Protic Ionic Liquid. Angew Chem Int Ed Engl 2018; 57:16693-16697. [PMID: 30378225 DOI: 10.1002/anie.201809413] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/11/2018] [Indexed: 01/01/2023]
Abstract
An autonomous swelling-deswelling oscillation of polymer gels in a hydrated protic ionic liquid (PIL) as a proton source for the Belousov-Zhabotinsky (BZ) reaction is presented. Methylammonium hydrogen sulfate ([maH+ ][HSO4 - ]) was employed as the PIL because it provides stable redox oscillation in the BZ reaction. Due to the significantly higher pKa for [maH+ ][HSO4 - ] than those for conventional proton sources for the BZ reaction, chemomechanical oscillation can be expected under weaker acidic conditions. The self-oscillating polymer was designed as a ternary random copolymer of N-isopropylacrylamide, N-(3-aminopropyl)methacrylamide, and the Ru(bpy)3 moiety as a catalyst for the BZ reaction. The copolymer exhibited spontaneous soluble-insoluble oscillation in hydrated [maH+ ][HSO4 - ] containing NaBrO3 and malonic acid. Macroscopic swelling-deswelling oscillation of the porous bulk gel prepared by covalently connecting microgel particles was also observed.
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Affiliation(s)
- Tsukuru Masuda
- Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.,Present address: Department of Life Science and Technology, Tokyo Institute of Technology, 4259 B-57, Nagatsuta, Yokohama, 226-8501, Japan
| | - Takeshi Ueki
- WPI Research Center International Center for Materials Nanoarchitectonics (MANA), National Institute of Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Ryota Tamate
- Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.,Present address: Department of Chemistry and Biotechnology, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan
| | - Ko Matsukawa
- Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Ryo Yoshida
- Department of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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25
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Tian L, Li M, Liu J, Patil AJ, Drinkwater BW, Mann S. Nonequilibrium Spatiotemporal Sensing within Acoustically Patterned Two-Dimensional Protocell Arrays. ACS CENTRAL SCIENCE 2018; 4:1551-1558. [PMID: 30555908 PMCID: PMC6276052 DOI: 10.1021/acscentsci.8b00555] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Indexed: 05/03/2023]
Abstract
Acoustically trapped periodic arrays of horseradish peroxidase (HRP)-loaded poly(diallydimethylammonium chloride) / adenosine 5'-triphosphate coacervate microdroplet-based protocells exhibit a spatiotemporal biochemical response when exposed to a codiffusing mixture of substrate molecules (o-phenylenediamine (o-PD) and hydrogen peroxide (H2O2)) under nonequilibrium conditions. Unidirectional propagation of the chemical concentration gradients gives rise to time- and position-dependent fluorescence signal outputs from individual coacervate microdroplets, indicating that the organized protocell assembly can dynamically sense encoded information in the advancing reaction-diffusion front. The methodology is extended to arrays comprising spatially separated binary populations of HRP- or glucose oxidase-containing coacervate microdroplets to internally generate a H2O2 signal that chemically connects the two protocell communities via a concerted biochemical cascade reaction. Our results provide a step toward establishing a systematic approach to study dynamic interactions between organized protocell consortia and propagating reaction-diffusion gradients, and offer a new methodology for exploring the complexity of protocellular communication networks operating under nonequilibrium conditions.
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Affiliation(s)
- Liangfei Tian
- Centre
for Protolife Research and Centre for Organized Matter Chemistry,
School of Chemistry, University of Bristol, Bristol BS8 1TS, U.K.
| | - Mei Li
- Centre
for Protolife Research and Centre for Organized Matter Chemistry,
School of Chemistry, University of Bristol, Bristol BS8 1TS, U.K.
| | - Juntai Liu
- School
of Biochemistry, Medical Sciences Building, University of Bristol, Bristol BS8 1TD, U.K.
| | - Avinash J. Patil
- Centre
for Protolife Research and Centre for Organized Matter Chemistry,
School of Chemistry, University of Bristol, Bristol BS8 1TS, U.K.
| | - Bruce W. Drinkwater
- Faculty
of Engineering, Queens Building, University
of Bristol, Bristol BS8 1TR, U.K.
| | - Stephen Mann
- Centre
for Protolife Research and Centre for Organized Matter Chemistry,
School of Chemistry, University of Bristol, Bristol BS8 1TS, U.K.
- E-mail:
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26
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Dong B, Liu L, Hu C. ATP-Driven Temporal Control over Structure Switching of Polymeric Micelles. Biomacromolecules 2018; 19:3659-3668. [PMID: 30068081 DOI: 10.1021/acs.biomac.8b00769] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An adenosine triphosphate (ATP)-fueled micellar system in the out-of-equilibrium state was constructed based on 4,5-diamino-1,3,5-triazine (DAT)-containing block copolymer. The block copolymer self-assembled into spherical micelles in equilibrium steady state at pH higher than its p Ka. The pendant DAT residues in protonated form acted as ATP catchers via hydrogen bonding and electrostatic interactions. Activated by ATP fuel, the polymeric micelles spontaneously disrupted into small aggregates of ATP/polymer hybrid complexes. The consumption of ATP energy via the enzymatic hydrolysis led to dissociation of the complexes and reversible formation of polymeric micelles. A transient self-assembly cycle, in which the assembly underwent autonomous division-fusion motion, was created using ATP fuel and enzyme; the switching of assembly structure was sustained by continuous supply of ATP fuel. This DAT-containing block copolymer have good biocompatibility, and drug-loaded micelles display ATP-responsive release behavior. It is expected that this ATP-fueled supramolecular assembly system will provide a functional platform for biomimic chemistry and therapeutic applications.
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Affiliation(s)
- Bingyang Dong
- Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , People's Republic of China
| | - Li Liu
- Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , People's Republic of China
| | - Cong Hu
- Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, College of Chemistry , Nankai University , Tianjin 300071 , People's Republic of China
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27
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Chen C, Li X, Deng J, Wang Z, Wang Y. Shape Engineering of Biomass-Derived Nanoparticles from Hollow Spheres to Bowls through Solvent-Induced Buckling. CHEMSUSCHEM 2018; 11:2540-2546. [PMID: 29923347 DOI: 10.1002/cssc.201801215] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 06/15/2018] [Indexed: 05/21/2023]
Abstract
The realization of asymmetric hollow carbonaceous nanostructures remains a great challenge, especially when biomass is chosen as the carbon resource through hydrothermal carbonization (HTC). Herein, a simple and straightforward solvent-induced buckling strategy is demonstrated for the synthesis of asymmetric spherical and bowl-like carbonaceous nanomaterials. The formation of the bowl-like morphology was attributed to the buckling of the spherical shells induced by the dissolution of the oligomers. The bowl-like particles prepared through this solvent-driven approach demonstrated a well-controlled morphology and a uniform particle size of approximately 360 nm. The obtained nanospheres and nanobowls were loaded with CoS2 nanoparticles to act as heterogeneous catalysts for the selective hydrogenation of aromatic nitro compounds. As expected, the CoS2 /nanobowls catalyst showed good tolerance to a wide scope of reducible groups and afforded both high activity and selectivity in almost all the tested substrates.
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Affiliation(s)
- Chunhong Chen
- Advanced Materials and Catalysis Group, Institute of Catalysis, Zhejiang University, Hangzhou, 310028, P. R. China
| | - Xuefeng Li
- Advanced Materials and Catalysis Group, Institute of Catalysis, Zhejiang University, Hangzhou, 310028, P. R. China
| | - Jiang Deng
- Advanced Materials and Catalysis Group, Institute of Catalysis, Zhejiang University, Hangzhou, 310028, P. R. China
| | - Zhe Wang
- Advanced Materials and Catalysis Group, Institute of Catalysis, Zhejiang University, Hangzhou, 310028, P. R. China
| | - Yong Wang
- Advanced Materials and Catalysis Group, Institute of Catalysis, Zhejiang University, Hangzhou, 310028, P. R. China
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28
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Wolff HJM, Kather M, Breisig H, Richtering W, Pich A, Wessling M. From Batch to Continuous Precipitation Polymerization of Thermoresponsive Microgels. ACS APPLIED MATERIALS & INTERFACES 2018; 10:24799-24806. [PMID: 29952202 DOI: 10.1021/acsami.8b06920] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Microgels are commonly synthesized in batch experiments, yielding quantities sufficient to perform characterization experiments for physical property studies. With increasing attention on the application potential of microgels, little attention is yet paid to the questions (a) whether they can be produced continuously on a larger scale, (b) whether synthesis routes can be easily transferred from batch to continuous synthesis, and (c) whether their properties can be precisely controlled as a function of synthesis parameters under continuous flow reaction conditions. We present a new continuous synthesis process of two typical but different microgel systems. Their size, size distribution, and temperature-responsive behavior are compared in depth to those of microgels synthesized using batch processes, and the influence of premixing and surfactant is also investigated. For the surfactant-free poly( N-vinylcaprolactam) and poly( N-isopropylacrylamide) systems, microgels are systematically smaller, while the actual size is depending on the premixing of the reaction solutions. However, by the use of a surfactant, the size difference between batch and continuous preparation diminishes, resulting in equal-sized microgels. Temperature-induced swelling-deswelling of microgels synthesized under continuous flow conditions was similar to that of their analogues synthesized using the batch polymerization process. Additionally, investigation of the internal microgel structure using static light scattering showed no significant changes between microgels prepared under batch and continuous conditions. The work encourages synthesis concepts of sequential chemical conditions in continuous flow reactors to prepare precisely tuned new microgel systems.
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Affiliation(s)
| | - Michael Kather
- DWI-Leibniz Institute for Interactive Materials , 52074 Aachen , Germany
| | | | | | - Andrij Pich
- DWI-Leibniz Institute for Interactive Materials , 52074 Aachen , Germany
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29
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Tailoring the appearance: what will synthetic cells look like? Curr Opin Biotechnol 2018; 51:47-56. [DOI: 10.1016/j.copbio.2017.11.005] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 11/06/2017] [Accepted: 11/07/2017] [Indexed: 11/23/2022]
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30
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Masuda T, Akimoto AM, Furusawa M, Tamate R, Nagase K, Okano T, Yoshida R. Aspects of the Belousov-Zhabotinsky Reaction inside a Self-Oscillating Polymer Brush. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:1673-1680. [PMID: 29281793 DOI: 10.1021/acs.langmuir.7b03929] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We have developed a novel polymer brush surface exhibiting autonomous swelling-deswelling changes driven by the Belousov-Zhabotinsky (BZ) reaction, that is, the self-oscillating polymer brush. In this system, the ruthenium tris(2,2'-bipyridine) [Ru(bpy)3] catalyst-conjugated polymer chains are densely packed on the solid substrate. It is expected that the BZ reaction in the polymer brush would be influenced by the immobilization effect of the catalyst. To clarify the effect of the immobilization of the catalyst on the self-oscillating polymer brush, the self-oscillating behavior of the polymer brush was investigated by comparing it with that of other self-oscillating polymer materials, the free polymer, and the gel particle under various initial substrate concentrations. The initial substrate dependency of the oscillating period for the polymer brush was found to be different from those for the free polymer and the gel particle. Furthermore, the oscillatory waveform was analyzed on the basis of the Field-Körös-Noyes model. These investigations revealed that the dense immobilization of the self-oscillating polymer on the surface restricted accessibility for the Ru(bpy)3 moiety. These findings would be helpful in understanding the reaction-diffusion mechanism in the polymer brush, which is a novel reaction medium for the BZ reaction.
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Affiliation(s)
- Tsukuru Masuda
- Department of Materials Engineering, School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Aya Mizutani Akimoto
- Department of Materials Engineering, School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Mami Furusawa
- Department of Materials Engineering, School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Ryota Tamate
- Department of Materials Engineering, School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kenichi Nagase
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University (TWIns) , 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University (TWIns) , 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Ryo Yoshida
- Department of Materials Engineering, School of Engineering, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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31
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Hu Y, Pérez-Mercader J. Microfluidics Fabrication of Self-Oscillating Microgel Clusters with Tailored Temperature-Responsive Properties Using Polymersomes as "Microreactors". LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:14058-14065. [PMID: 29137458 DOI: 10.1021/acs.langmuir.7b03166] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Poly(N-isopropylacrylamide)-based microgel clusters were successfully prepared using polymersomes as "microreactors", which were fabricated through microfluidics. The clusters were formed from the cross-linking reaction between ruthenium/amino group dual functionalized poly(N-isopropylacrylamide) microgels and linear poly(N-isopropylacrylamide)-r-(N-acryloxysuccinimide)-based polymer linkers under neutral pH conditions. By simply adjusting the ratio of N-isopropylacrylamide to N-acryloxysuccinimide in the polymer cross-linkers, the internal structures of the clusters can be controlled; hence, the temperature response of the clusters can be regulated. It was demonstrated that these different microgel clusters showed various degrees of chemomechanical oscillations when the clusters were exposed to a catalyst-free solution containing Belousov-Zhabotinsky reaction substrates.
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Affiliation(s)
- Yuandu Hu
- Department of Earth and Planetary Sciences, Harvard University , Cambridge, Massachusetts 02138, United States
| | - Juan Pérez-Mercader
- Department of Earth and Planetary Sciences, Harvard University , Cambridge, Massachusetts 02138, United States
- Santa Fe Institute, Santa Fe, New Mexico 87501, United States
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32
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Chang Y, Zhang N, Yang Y, Du J, Fan X, Tao C. Time-periodic oscillation reaction in an organic-solvent dominated electrolyte. Phys Chem Chem Phys 2017; 19:27643-27650. [PMID: 28983548 DOI: 10.1039/c7cp05414a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Time-periodic phenomena widely exist in natural life sustaining systems but are rarely reported in highly efficient artificial electrochemical energy-harvesting systems. Herein, we observed for the first time the periodic oscillation reaction in organic-solvent dominated electrolytes that could be also derived from some electrochemical energy harvesting cells. Owing to different reaction activity and acidity in the organic solvent, the oscillation reaction could occur under milder pH conditions and exhibit better durability. Its influence on electric output and related differences from an aqueous B-Z reaction are discussed from a mechanism point of view. Our findings may contribute to smart self-oscillation materials and new strategies for highly efficient long-term energy harvesting.
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Affiliation(s)
- Yu Chang
- College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, P. R. China.
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33
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Facile One-Pot Synthesis of Functional Giant Polymeric Vesicles Controlled by Oscillatory Chemistry. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703816] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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34
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Bastakoti BP, Perez-Mercader J. Facile One-Pot Synthesis of Functional Giant Polymeric Vesicles Controlled by Oscillatory Chemistry. Angew Chem Int Ed Engl 2017. [PMID: 28643367 DOI: 10.1002/anie.201703816] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
We introduce a novel application of an oscillatory chemical reaction to the synthesis of block copolymers. The Belousov-Zhabotinsky (B-Z) reaction is coupled with the polymerization of an amphiphilic block copolymer. Radicals generated in the B-Z reaction initiate the polymerization between a polyethylene glycol (PEG) macroreversible addition-fragmentation chain-transfer agent and butyl acrylate monomers. The attachment of a hydrophobic block on PEG leads to self-assembly and formation of spherical micelles. The nanoscale micelles transform into submicrometer vesicles and grow to giant vesicles as a consequence of the oscillatory behavior of the B-Z reaction. The one-pot synthesis of an amphiphilic di-block copolymer and retention of oscillatory behavior for the B-Z reaction with the formation of giant vesicles bring a new insight into possible pathways for the synthesis of active functional microreactors in the range from hundreds of nanometers to tens of micrometers.
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Affiliation(s)
- Bishnu Prasad Bastakoti
- Department of Earth and Planetary Sciences and Origin of Life Initiative, Harvard University, 20 Oxford Street, Cambridge, MA, 02138, USA
| | - Juan Perez-Mercader
- Department of Earth and Planetary Sciences and Origin of Life Initiative, Harvard University, 20 Oxford Street, Cambridge, MA, 02138, USA.,Santa Fe Institute, Santa Fe, NM, 87501, USA
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35
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Tamate R, Ueki T, Shibayama M, Yoshida R. Autonomous unimer-vesicle oscillation by totally synthetic diblock copolymers: effect of block length and polymer concentration on spatio-temporal structures. SOFT MATTER 2017; 13:4559-4568. [PMID: 28440372 DOI: 10.1039/c7sm00563f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In this study, factors controlling autonomous vesicle oscillations exhibited by self-oscillating diblock copolymers were investigated. The self-oscillating diblock copolymer contains poly(ethylene oxide) (PEO) as the hydrophilic block and a random copolymer composed of N-isopropylacrylamide (NIPAAm) with side chains of ruthenium tris(2,2'-bipyridine) (Ru(bpy)3), which catalyzes the Belousov-Zhabotinsky (BZ) reaction, as the self-oscillating block. Recently, our group has reported that a diblock copolymer exhibits a unique autonomous disintegration and reconstruction of the vesicles driven by the periodic redox changes of Ru(bpy)3 in a catalyst-free BZ reaction solution. Nevertheless, the effect of the diblock copolymer architecture on the structure of the vesicles under equilibrium conditions, as well as their oscillation properties under non-equilibrium conditions, has not been clarified thus far. Hence, self-oscillating diblock copolymers with different block lengths were systematically synthesized, and the effects of the block length and polymer concentration on the spatio-temporal vesicle structures were comprehensively discussed.
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Affiliation(s)
- Ryota Tamate
- Department of Materials Engineering School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
| | - Takeshi Ueki
- National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
| | - Mitsuhiro Shibayama
- Institute for Solid State Physics, The University of Tokyo, 5-1-5 Kashiwano-ha, Kashiwa, Chiba 277-8581, Japan
| | - Ryo Yoshida
- Department of Materials Engineering School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.
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36
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Amoeba-like self-oscillating polymeric fluids with autonomous sol-gel transition. Nat Commun 2017; 8:15862. [PMID: 28703123 PMCID: PMC5511347 DOI: 10.1038/ncomms15862] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Accepted: 05/08/2017] [Indexed: 12/22/2022] Open
Abstract
In the field of polymer science, many kinds of polymeric material systems that show a sol-gel transition have been created. However, most systems are unidirectional stimuli-responsive systems that require physical signals such as a change in temperature. Here, we report on the design of a block copolymer solution that undergoes autonomous and periodic sol-gel transition under constant conditions without any on–off switching through external stimuli. The amplitude of this self-oscillation of the viscosity is about 2,000 mPa s. We also demonstrate an intermittent forward motion of a droplet of the polymer solution synchronized with the autonomous sol-gel transition. This polymer solution bears the potential to become the base for a type of slime-like soft robot that can transform its shape kaleidoscopically and move autonomously, which is associated with the living amoeba that moves forward by a repeated sol-gel transition. Most polymeric materials that show sol-gel transitions are unidirectional and stimuli-responsive systems. Here the authors show a block copolymer solution that undergoes autonomous and periodic sol-gel transitions under constant conditions.
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37
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Lei L, Zhang Q, Shi S, Zhu S. Breathable Microgel Colloidosome: Gas-Switchable Microcapsules with O 2 and CO 2 Tunable Shell Permeability for Hierarchical Size-Selective Control Release. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:6108-6115. [PMID: 28574273 DOI: 10.1021/acs.langmuir.7b01092] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Microcapsules enabling precise delivery and controlled release are highly desirable. However, it is still challenging to control the release profile by regulating the microcapsule shell permeability. In this work, gas-switchable microgel colloidosome (MGC) with oxygen (O2) and carbon dioxide (CO2) dual gas-tunable shell permeability has been developed and tested for control release of water-soluble cargo molecules, based on the size exclusion mechanism. The O2 and CO2 dual gas-switchable poly(2-(diethylamino)ethyl methacrylate-co-2,3,4,5,6-pentafluorostyrene), P(DEA-co-FS), microgels having surface modified with amino group (-NH2) were synthesized and used to stabilize oil-in-water (O/W) Pickering emulsions. The oil-soluble poly(propylene glycol) diglycidyl ether (PPGDGE) was added as an intermicrogel cross-linker. The cross-linking between adjacent microgel particles at the water-oil interface was achieved through the amine-epoxy reaction of PPGDGE with the amine groups at the particle surface. Fluorescent-labeled dextran model cargo molecules of 10 kDa (D1) and 2000 kDa (D2) were uploaded under CO2 treatment and locked inside the MGC with N2 treatment. The O2 and CO2 dual-gas switchable properties offered the MGC with tunable shell permeability, which allowed the hierarchical release of D1 and D2 based on size exclusive mechanism. This work provides a robust method for preparation of gas-switchable microcapsules with tunable permeability and size-exclusive hierarchical release profile, promising for multiple ingredient controllable release, separation, and reaction.
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Affiliation(s)
- Lei Lei
- Department of Chemical Engineering, McMaster University , Hamilton, Canada L8S 4L7
| | - Qi Zhang
- College of Chemical Engineering, Zhejiang University of Technology , Hangzhou 310014, China
| | - Shuxian Shi
- Key Laboratory of Carbon Fiber and Functional Polymers (Ministry of Education), Beijing University of Chemical Technology , Beijing 100029, China
| | - Shiping Zhu
- Department of Chemical Engineering, McMaster University , Hamilton, Canada L8S 4L7
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38
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Homma K, Masuda T, Akimoto AM, Nagase K, Itoga K, Okano T, Yoshida R. Fabrication of Micropatterned Self-Oscillating Polymer Brush for Direction Control of Chemical Waves. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:1700041. [PMID: 28383186 DOI: 10.1002/smll.201700041] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 02/01/2017] [Indexed: 06/07/2023]
Abstract
The propagation control of chemical waves via a pentagonal patterned structure in a self-oscillating polymer brush composed of N-isopropylacrylamide and a metal catalyst for the Belousov-Zhabotinsky (BZ) reaction is reported. The patterned self-oscillating polymer brush is prepared by combining surface-initiated atom transfer radical polymerization and maskless photolithography. Surface modification is confirmed by X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, 3D measuring laser microscopy, and fluorescence microscopy. The polymer brush patterns are fabricated with gaps between the pentagonal regions, and investigations on the effect of the gap distance on the BZ reaction reveal that at the appropriate distance, chemical waves propagate across the array from the plane to the corner between the patterns. Unidirectional control is achieved not only in the 1D array, but also in a 2D curved array. This patterned self-oscillating polymer brush is a novel and advantageous approach for creating an autonomous dynamic soft interface.
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Affiliation(s)
- Kenta Homma
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Tsukuru Masuda
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Aya Mizutani Akimoto
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kenichi Nagase
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Kazuyoshi Itoga
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Teruo Okano
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
| | - Ryo Yoshida
- Department of Materials Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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Ueki T, Matsukawa K, Masuda T, Yoshida R. Protic Ionic Liquids for the Belousov–Zhabotinsky Reaction: Aspects of the BZ Reaction in Protic Ionic Liquids and Its Use for the Autonomous Coil–Globule Oscillation of a Linear Polymer. J Phys Chem B 2017; 121:4592-4599. [DOI: 10.1021/acs.jpcb.7b01309] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takeshi Ueki
- National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Ko Matsukawa
- Department
of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Tsukuru Masuda
- Department
of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Ryo Yoshida
- Department
of Materials Engineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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40
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Buddingh’ BC, van Hest JCM. Artificial Cells: Synthetic Compartments with Life-like Functionality and Adaptivity. Acc Chem Res 2017; 50:769-777. [PMID: 28094501 PMCID: PMC5397886 DOI: 10.1021/acs.accounts.6b00512] [Citation(s) in RCA: 383] [Impact Index Per Article: 54.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
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Cells are highly advanced microreactors that form the basis of
all life. Their fascinating complexity has inspired scientists to
create analogs from synthetic and natural components using a bottom-up
approach. The ultimate goal here is to assemble a fully man-made cell
that displays functionality and adaptivity as advanced as that found
in nature, which will not only provide insight into the fundamental
processes in natural cells but also pave the way for new applications
of such artificial cells. In this Account, we highlight our
recent work and that of others
on the construction of artificial cells. First, we will introduce
the key features that characterize a living system; next, we will
discuss how these have been imitated in artificial cells. First, compartmentalization
is crucial to separate the inner chemical milieu from the external
environment. Current state-of-the-art artificial cells comprise subcompartments
to mimic the hierarchical architecture of eukaryotic cells and tissue.
Furthermore, synthetic gene circuits have been used to encode genetic
information that creates complex behavior like pulses or feedback.
Additionally, artificial cells have to reproduce to maintain a population.
Controlled growth and fission of synthetic compartments have been
demonstrated, but the extensive regulation of cell division in nature
is still unmatched. Here, we also point out important challenges
the field needs to
overcome to realize its full potential. As artificial cells integrate
increasing orders of functionality, maintaining a supporting metabolism
that can regenerate key metabolites becomes crucial. Furthermore,
life does not operate in isolation. Natural cells constantly sense
their environment, exchange (chemical) signals, and can move toward
a chemoattractant. Here, we specifically explore recent efforts to
reproduce such adaptivity in artificial cells. For instance, synthetic
compartments have been produced that can recruit proteins to the membrane
upon an external stimulus or modulate their membrane composition and
permeability to control their interaction with the environment. A
next step would be the communication of artificial cells with either
bacteria or another artificial cell. Indeed, examples of such primitive
chemical signaling are presented. Finally, motility is important for
many organisms and has, therefore, also been pursued in synthetic
systems. Synthetic compartments that were designed to move in a directed,
controlled manner have been assembled, and directed movement toward
a chemical attractant is among one of the most life-like directions
currently under research. Although the bottom-up construction
of an artificial cell that
can be truly considered “alive” is still an ambitious
goal, the recent work discussed in this Account shows that this is
an active field with contributions from diverse disciplines like materials
chemistry and biochemistry. Notably, research during the past decade
has already provided valuable insights into complex synthetic systems
with life-like properties. In the future, artificial cells are thought
to contribute to an increased understanding of processes in natural
cells and provide opportunities to create smart, autonomous, cell-like
materials.
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Affiliation(s)
- Bastiaan C. Buddingh’
- Eindhoven University of Technology, P.O. Box 513
(STO 3.31), 5600 MB Eindhoven, The Netherlands
| | - Jan C. M. van Hest
- Eindhoven University of Technology, P.O. Box 513
(STO 3.31), 5600 MB Eindhoven, The Netherlands
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41
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Zhu H, Lei L, Li BG, Zhu S. Development of Novel Materials from Polymerization of Pickering Emulsion Templates. POLYMER REACTION ENGINEERING OF DISPERSED SYSTEMS 2017. [DOI: 10.1007/12_2017_15] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Bollhorst T, Rezwan K, Maas M. Colloidal capsules: nano- and microcapsules with colloidal particle shells. Chem Soc Rev 2017; 46:2091-2126. [DOI: 10.1039/c6cs00632a] [Citation(s) in RCA: 193] [Impact Index Per Article: 27.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This review provides a comprehensive overview of the synthesis strategies and the progress made so far of bringing colloidal capsules closer to technical and biomedical applications.
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Affiliation(s)
- Tobias Bollhorst
- Advanced Ceramics
- Department of Production Engineering & MAPEX Center for Materials and Processes
- University of Bremen
- 28359 Bremen
- Germany
| | - Kurosch Rezwan
- Advanced Ceramics
- Department of Production Engineering & MAPEX Center for Materials and Processes
- University of Bremen
- 28359 Bremen
- Germany
| | - Michael Maas
- Advanced Ceramics
- Department of Production Engineering & MAPEX Center for Materials and Processes
- University of Bremen
- 28359 Bremen
- Germany
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43
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Tamate R, Ueki T, Shibayama M, Yoshida R. Effect of substrate concentrations on the aggregation behavior and dynamic oscillatory properties of self-oscillating block copolymers. Phys Chem Chem Phys 2017; 19:20627-20634. [DOI: 10.1039/c7cp03969g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The effect of substrate concentrations of the BZ reaction as well as specific salts on the dynamic properties of self-oscillating block copolymers was studied in detail.
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Affiliation(s)
- Ryota Tamate
- Department of Materials Engineering School of Engineering
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Takeshi Ueki
- National Institute for Materials Science (NIMS)
- Tsukuba
- Japan
| | | | - Ryo Yoshida
- Department of Materials Engineering School of Engineering
- The University of Tokyo
- Bunkyo-ku
- Japan
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44
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Tamate R, Mizutani Akimoto A, Yoshida R. Recent Advances in Self-Oscillating Polymer Material Systems. CHEM REC 2016; 16:1852-67. [DOI: 10.1002/tcr.201600009] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Indexed: 12/20/2022]
Affiliation(s)
| | | | - Ryo Yoshida
- Department of Materials Engineering, School of Engineering; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
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