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Ashikari Y, Yoshioka R, Yonekura Y, Yoo DE, Okamoto K, Nagaki A. Flowmicro In-Line Analysis-Driven Design of Reactions mediated by Unstable Intermediates: Flash Monitoring Approach. Chemistry 2024:e202303774. [PMID: 38216535 DOI: 10.1002/chem.202303774] [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: 12/07/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 01/14/2024]
Abstract
The direct observation of reactive intermediates is an important issue for organic synthesis. However, intermediates with an extreme instability are hard to be monitored by common spectroscopic methods such as FTIR. We have developed synthetic method utilizing flow microreactors, which enables a generation and reactions of unstable intermediates. Herein we report that, based on our flowmicro techniques, we developed an in-line analysis method for reactive intermediates in increments of milliseconds. We demonstrated the direct observation of the living and dead species of the anionic polymerization of alkyl methacrylates. The direct information of the living species enabled the anionic polymerization and copolymerization of oligo(ethylene glycol) methyl ether methacrylates, which is the important but difficult reaction in the conventional method.
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Affiliation(s)
- Yosuke Ashikari
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita-10 Nishi-8 Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
| | - Rikako Yoshioka
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita-10 Nishi-8 Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
| | - Yuya Yonekura
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita-10 Nishi-8 Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
- TOHO Chemical Industry Co., Ltd., 5-2931 Urago-cho, Yokosuka, Kanagawa, 237-0062, Japan
| | - Dong-Eun Yoo
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita-10 Nishi-8 Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
| | - Kazuhiro Okamoto
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita-10 Nishi-8 Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
| | - Aiichiro Nagaki
- Department of Chemistry, Faculty of Science, Hokkaido University, Kita-10 Nishi-8 Kita-ku, Sapporo, Hokkaido, 060-0810, Japan
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Li W, Liu Z, Tang F, Jiang H, Zhou Z, Hao X, Zhang JM. Application of 3D Bioprinting in Liver Diseases. MICROMACHINES 2023; 14:1648. [PMID: 37630184 PMCID: PMC10457767 DOI: 10.3390/mi14081648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/03/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023]
Abstract
Liver diseases are the primary reason for morbidity and mortality in the world. Owing to a shortage of organ donors and postoperative immune rejection, patients routinely suffer from liver failure. Unlike 2D cell models, animal models, and organoids, 3D bioprinting can be successfully employed to print living tissues and organs that contain blood vessels, bone, and kidney, heart, and liver tissues and so on. 3D bioprinting is mainly classified into four types: inkjet 3D bioprinting, extrusion-based 3D bioprinting, laser-assisted bioprinting (LAB), and vat photopolymerization. Bioinks for 3D bioprinting are composed of hydrogels and cells. For liver 3D bioprinting, hepatic parenchymal cells (hepatocytes) and liver nonparenchymal cells (hepatic stellate cells, hepatic sinusoidal endothelial cells, and Kupffer cells) are commonly used. Compared to conventional scaffold-based approaches, marked by limited functionality and complexity, 3D bioprinting can achieve accurate cell settlement, a high resolution, and more efficient usage of biomaterials, better mimicking the complex microstructures of native tissues. This method will make contributions to disease modeling, drug discovery, and even regenerative medicine. However, the limitations and challenges of this method cannot be ignored. Limitation include the requirement of diverse fabrication technologies, observation of drug dynamic response under perfusion culture, the resolution to reproduce complex hepatic microenvironment, and so on. Despite this, 3D bioprinting is still a promising and innovative biofabrication strategy for the creation of artificial multi-cellular tissues/organs.
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Affiliation(s)
- Wenhui Li
- Department of Radiology, Yancheng Third People’s Hospital, Affiliated Hospital 6 of Nantong University, Yancheng 224000, China
| | - Zhaoyue Liu
- College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics; Nanjing 210016, China
| | - Fengwei Tang
- College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics; Nanjing 210016, China
| | - Hao Jiang
- College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics; Nanjing 210016, China
| | - Zhengyuan Zhou
- Nanjing Hangdian Intelligent Manufacturing Technology Co., Ltd., Nanjing 210014, China
| | - Xiuqing Hao
- College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics; Nanjing 210016, China
| | - Jia Ming Zhang
- College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics; Nanjing 210016, China
- Nanjing Hangdian Intelligent Manufacturing Technology Co., Ltd., Nanjing 210014, China
- Yangtze River Delta Intelligent Manufacturing Innovation Center, Nanjing 210014, China
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Ntetsikas K, Ladelta V, Bhaumik S, Hadjichristidis N. Quo Vadis Carbanionic Polymerization? ACS POLYMERS AU 2023; 3:158-181. [PMID: 37065716 PMCID: PMC10103213 DOI: 10.1021/acspolymersau.2c00058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/02/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022]
Abstract
Living anionic polymerization will soon celebrate 70 years of existence. This living polymerization is considered the mother of all living and controlled/living polymerizations since it paved the way for their discovery. It provides methodologies for synthesizing polymers with absolute control of the essential parameters that affect polymer properties, including molecular weight, molecular weight distribution, composition and microstructure, chain-end/in-chain functionality, and architecture. This precise control of living anionic polymerization generated tremendous fundamental and industrial research activities, developing numerous important commodity and specialty polymers. In this Perspective, we present the high importance of living anionic polymerization of vinyl monomers by providing some examples of its significant achievements, presenting its current status, giving several insights into where it is going (Quo Vadis) and what the future holds for this powerful synthetic method. Furthermore, we attempt to explore its advantages and disadvantages compared to controlled/living radical polymerizations, the main competitors of living carbanionic polymerization.
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Affiliation(s)
- Konstantinos Ntetsikas
- Polymer Synthesis Laboratory, KAUST
Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Kingdom of Saudi Arabia
| | - Viko Ladelta
- Polymer Synthesis Laboratory, KAUST
Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Kingdom of Saudi Arabia
| | - Saibal Bhaumik
- Polymer Synthesis Laboratory, KAUST
Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Kingdom of Saudi Arabia
| | - Nikos Hadjichristidis
- Polymer Synthesis Laboratory, KAUST
Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology
(KAUST), Thuwal 23955, Kingdom of Saudi Arabia
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Ikeda S, Shintani R. Anionic stitching polymerization of styryl(vinyl)silanes for the synthesis of sila-cyclic olefin polymers. Chem Commun (Camb) 2022; 58:5281-5284. [PMID: 35393996 DOI: 10.1039/d2cc00721e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Anionic stitching polymerization of styryl(vinyl)silanes has been developed for the synthesis of a new type of silicon- and carbon-containing polymer possessing fused sila-bicyclic structures in the main chain. The obtained polymers were found to be thermally stable with relatively high glass-transition temperatures and highly transparent in the visible light region.
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Affiliation(s)
- Sho Ikeda
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan.
| | - Ryo Shintani
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan.
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Jin Z, Wang H, Hu X, Liu Y, Hu Y, Zhao S, Zhu N, Fang Z, Guo K. Anionic polymerizations in a microreactor. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00360g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Anionic polymerizations in a microreactor enable fast mixing, high-level control, and scale-up synthesis of polymers.
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Affiliation(s)
- Zhao Jin
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
| | - Huiyue Wang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
| | - Xin Hu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
| | - Yihuan Liu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
| | - Yujing Hu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
| | - Shuangfei Zhao
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
| | - Ning Zhu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
| | - Zheng Fang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
| | - Kai Guo
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211800, China
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Tamaki T, Nagaki A. Reaction Selectivity Control in Flash Synthetic Chemistry. J SYN ORG CHEM JPN 2021. [DOI: 10.5059/yukigoseikyokaishi.79.483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Aiichiro Nagaki
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University
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Kandelhard F, Schuldt K, Schymura J, Georgopanos P, Abetz V. Model‐Assisted Optimization of RAFT Polymerization in Micro‐Scale Reactors—A Fast Screening Approach. MACROMOL REACT ENG 2021. [DOI: 10.1002/mren.202000058] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Felix Kandelhard
- Helmholtz‐Zentrum Geesthacht Institute of Membrane Research Max‐Planck‐Str. 1 Geesthacht 21502 Germany
| | - Karina Schuldt
- Helmholtz‐Zentrum Geesthacht Institute of Membrane Research Max‐Planck‐Str. 1 Geesthacht 21502 Germany
| | - Juliane Schymura
- Helmholtz‐Zentrum Geesthacht Institute of Membrane Research Max‐Planck‐Str. 1 Geesthacht 21502 Germany
| | - Prokopios Georgopanos
- Helmholtz‐Zentrum Geesthacht Institute of Membrane Research Max‐Planck‐Str. 1 Geesthacht 21502 Germany
| | - Volker Abetz
- Helmholtz‐Zentrum Geesthacht Institute of Membrane Research Max‐Planck‐Str. 1 Geesthacht 21502 Germany
- Institute of Physical Chemistry University of Hamburg Martin‐Luther‐King‐Platz 6 Hamburg 20146 Germany
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Walsh DJ, Schinski DA, Schneider RA, Guironnet D. General route to design polymer molecular weight distributions through flow chemistry. Nat Commun 2020; 11:3094. [PMID: 32555179 PMCID: PMC7303143 DOI: 10.1038/s41467-020-16874-6] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 05/28/2020] [Indexed: 01/22/2023] Open
Abstract
The properties of a polymer are known to be intrinsically related to its molecular weight distribution (MWD); however, previous methodologies of MWD control do not use a design and result in arbitrary shaped MWDs. Here we report a precise design to synthesis protocol for producing a targeted MWD design with a simple to use, and chemistry agnostic computer-controlled tubular flow reactor. To support the development of this protocol, we constructed general reactor design rules by combining fluid mechanical principles, polymerization kinetics, and experiments. The ring opening polymerization of lactide, the anionic polymerization of styrene, and the ring opening metathesis polymerization are used as model polymerizations to develop the reactor design rules and synthesize MWD profiles. The derivation of a mathematical model enables the quantitative prediction of the experimental results, and this model provides a tool to explore the limits of any MWD design protocol.
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Affiliation(s)
- Dylan J Walsh
- Department of Chemical and Biomolecular Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Devin A Schinski
- Department of Chemical and Biomolecular Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Robert A Schneider
- Department of Chemical and Biomolecular Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Damien Guironnet
- Department of Chemical and Biomolecular Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA.
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Verstraete K, Zaquen N, Junkers T. Flash-synthesis of low dispersity PPV via anionic polymerization in continuous flow reactors and block copolymer synthesis. Polym Chem 2020. [DOI: 10.1039/d0py01245a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Low dispersity poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)]-1,4-phenylenevinylene (MDMO-PPV) with well-defined end-groups is made available by performing the anionic polymerization in a continuous tubular reactor under flash chemistry conditions.
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Affiliation(s)
- Kirsten Verstraete
- Polymer Reaction Design group
- Hasselt University – Institute for Materials Research
- B-3590 Diepenbeek
- Belgium
| | - Neomy Zaquen
- Polymer Reaction Design group
- Hasselt University – Institute for Materials Research
- B-3590 Diepenbeek
- Belgium
| | - Tanja Junkers
- Polymer Reaction Design group
- Hasselt University – Institute for Materials Research
- B-3590 Diepenbeek
- Belgium
- School of Chemistry
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