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A case study of monomer design for controlled/living supramolecular polymerization. Polym J 2021. [DOI: 10.1038/s41428-021-00478-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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2
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Matoba S, Kanzaki C, Yamashita K, Kusukawa T, Fukuhara G, Okada T, Narushima T, Okamoto H, Numata M. Directional Supramolecular Polymerization in a Dynamic Microsolution: A Linearly Moving Polymer's End Striking Monomers. J Am Chem Soc 2021; 143:8731-8746. [PMID: 34060820 DOI: 10.1021/jacs.1c02644] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Although directional chain reactions are common in nature's self-assembly processes and in covalent polymerizations, it has been challenging to perform such processes in artificial one-dimensional self-assembling systems. In this paper, we describe a system, employing perylene bisimide (PBI) derivatives as monomers, for selectively activating one end of a supramolecular polymer during its growth and, thereby, realizing directional supramolecular polymerization. Upon introduction of a solution containing only a single PBI monomer into the microflow channel, nucleation was induced spontaneously. The dependency of the aggregation efficiency on the flow rate suggested that the shear force facilitated collisions among the monomers to overcome the activation energy required for nucleation. Next, by introducing a solution containing both monomer and polymer, we investigated how the shear force influenced the monomer-polymer interactions. In situ fluorescence spectra and linear dichroism revealed that growth of the polymers was accelerated only when they were oriented under the influence of shear stress. Upon linear motion of the oriented polymer, polymer growth at that single end became predominant relative to the nucleation of freely diffusing monomers. When applying this strategy to a two-monomer system, the second (less active) monomer reacted selectively at the forward-facing terminus of the first polymer, leading to the creation of a diblock copolymer through formation of a molecular heterojunction. This strategy-friction-induced activation of a single end of a polymer-should be applicable more generally to directional supramolecular block copolymerizations of various functional molecules, allowing molecular heterojunctions to be made at desired positions in a polymer.
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Affiliation(s)
- Shota Matoba
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Shimogamo, Sakyo-ku, Kyoto 606-8522, Japan
| | - Chisako Kanzaki
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Shimogamo, Sakyo-ku, Kyoto 606-8522, Japan
| | - Kae Yamashita
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Shimogamo, Sakyo-ku, Kyoto 606-8522, Japan
| | - Takahiro Kusukawa
- Faculty of Molecular Chemistry and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Gaku Fukuhara
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan.,JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Tetsuo Okada
- Department of Chemistry, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Tetsuya Narushima
- Institute for Molecular Science and The Graduate University for Advanced Studies (Sokendai), 38 Nishigonaka, Myodaiji, Okazaki, Aichi 444-8585, Japan
| | - Hiromi Okamoto
- Institute for Molecular Science and The Graduate University for Advanced Studies (Sokendai), 38 Nishigonaka, Myodaiji, Okazaki, Aichi 444-8585, Japan
| | - Munenori Numata
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Shimogamo, Sakyo-ku, Kyoto 606-8522, Japan
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3
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Khoeini D, Scott TF, Neild A. Microfluidic enhancement of self-assembly systems. LAB ON A CHIP 2021; 21:1661-1675. [PMID: 33949588 DOI: 10.1039/d1lc00038a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Dynamic, kinetically-controlled, self-assembly processes are commonly observed in nature and are capable of creating intricate, functional architectures from simple precursors. However, notably, much of the research into molecular self-assembly has been performed using conventional bulk techniques where the resultant species are dictated by thermodynamic stability to yield relatively simple assemblies. Whereas, the environmental control offered by microfluidic systems offers methods to achieve non-equilibrium reaction conditions capable of increasingly sophisticated self-assembled structures. Alterations to the immediate microenvironment during the assembly of the molecules is possible, providing the basis for kinetically-controlled assembly. This review examines the key mechanism offered by microfluidic systems and the architectures required to access them. The mechanisms include diffusion-led mixing, shear gradient alignment, spatial and temporal confinement, and structural templates in multiphase systems. The works are selected and categorised in terms of the microfluidic approaches taken rather than the chemical constructs which are formed.
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Affiliation(s)
- Davood Khoeini
- Laboratory for Micro Systems, Department of Mechanical and Aerospace Engineering, Monash University, Clayton, VIC 3800, Australia.
| | - Timothy F Scott
- Department of Chemical Engineering, Monash University, Clayton, VIC 3800, Australia and Department of Materials Science and Engineering, Monash University, Clayton, VIC 3800, Australia
| | - Adrian Neild
- Laboratory for Micro Systems, Department of Mechanical and Aerospace Engineering, Monash University, Clayton, VIC 3800, Australia.
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Supramolecular chlorophyll aggregates inspired from specific light-harvesting antenna “chlorosome”: Static nanostructure, dynamic construction process, and versatile application. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C: PHOTOCHEMISTRY REVIEWS 2020. [DOI: 10.1016/j.jphotochemrev.2020.100385] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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5
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Nishigaki A, Maruyama M, Numata M, Kanzaki C, Tanaka S, Yoshikawa HY, Imanishi M, Yoshimura M, Mori Y, Takano K. Microflow system promotes acetaminophen crystal nucleation. Eng Life Sci 2020; 20:395-401. [PMID: 32944014 PMCID: PMC7481770 DOI: 10.1002/elsc.202000021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/19/2020] [Accepted: 06/07/2020] [Indexed: 02/01/2023] Open
Abstract
It is known that interfaces have various impacts on crystallization from a solution. Here, we describe crystallization of acetaminophen using a microflow channel, in which two liquids meet and form a liquid-liquid interface due to laminar flow, resulting in uniform mixing of solvents on the molecular scale. In the anti-solvent method, the microflow mixing promoted the crystallization more than bulk mixing. Furthermore, increased flow rate encouraged crystal formation, and a metastable form appeared under a certain flow condition. This means that interface management by the microchannel could be a beneficial tool for crystallization and polymorph control.
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Affiliation(s)
- Akari Nishigaki
- Department of Biomolecular ChemistryKyoto Prefectural UniversityKyotoJapan
| | - Mihoko Maruyama
- Department of Biomolecular ChemistryKyoto Prefectural UniversityKyotoJapan
- Graduate School of EngineeringOsaka UniversitySuitaJapan
| | - Munenori Numata
- Department of Biomolecular ChemistryKyoto Prefectural UniversityKyotoJapan
| | - Chisako Kanzaki
- Department of Biomolecular ChemistryKyoto Prefectural UniversityKyotoJapan
| | - Shun‐Ichi Tanaka
- Department of Biomolecular ChemistryKyoto Prefectural UniversityKyotoJapan
| | | | | | | | - Yusuke Mori
- Graduate School of EngineeringOsaka UniversitySuitaJapan
| | - Kazufumi Takano
- Department of Biomolecular ChemistryKyoto Prefectural UniversityKyotoJapan
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6
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Kanzaki C, Inagawa A, Fukuhara G, Okada T, Numata M. Proton‐Gradient‐Driven Self‐Assembly of Porphyrin and In Situ Dynamic Analysis in a Microflow Platform. CHEMSYSTEMSCHEM 2020. [DOI: 10.1002/syst.202000006] [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)
- Chisako Kanzaki
- Department of Biomolecular Chemistry Graduate School of Life and Environmental SciencesKyoto Prefectural University, Shimogamo Sakyo-ku Kyoto 606-8522 Japan
| | - Arinori Inagawa
- Graduate School of Regional Development and CreativityUtsunomiya University Tochigi 321-8585 Japan
| | - Gaku Fukuhara
- Department of ChemistryTokyo Institute of Technology Tokyo 152-8551 Japan
- JST, PRESTO Saitama 332-0012 Japan
| | - Tetsuo Okada
- Department of ChemistryTokyo Institute of Technology Tokyo 152-8551 Japan
| | - Munenori Numata
- Department of Biomolecular Chemistry Graduate School of Life and Environmental SciencesKyoto Prefectural University, Shimogamo Sakyo-ku Kyoto 606-8522 Japan
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7
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Valverde LR, Li B, Schroeder CM, Wilson WL. In Situ Photophysical Characterization of π-Conjugated Oligopeptides Assembled via Continuous Flow Processing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:10947-10957. [PMID: 31340647 DOI: 10.1021/acs.langmuir.9b01360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Bioinspired materials have been developed with the aim of harnessing natural self-assembly for precisely engineered functionality. Microfluidics is poised to play a key role in the directed assembly of advanced materials with ordered nano and mesoscale features. More importantly, there is a strong need for understanding the kinetics of continuous assembly processes. In this work, we describe a continuous microfluidic system for the assembly and alignment of synthetic oligopeptides with π-conjugated cores using a three-dimensional (3D) flow focusing of inlet reactant streams. This system facilitates in situ confocal fluorescence microscopy and in situ fluorescence lifetime imaging microscopy (FLIM), which can be used in unprecedented capacity to characterize the integrity of peptides during the assembly process. To achieve continuous assembly, we integrate chevron patterns in the ceiling and floor of the microdevice to generate a 3D-focused sheath flow of the reactant peptide. Consequently, the peptide stream is directed toward an acidic triggering stream in a cross-slot geometry which mediates assembly into higher-order fiber-like structures. Using this approach, the focused peptide stream is assembled using a planar extensional flow, which ensures high degrees of microstructural alignment within the assembled material. We demonstrate the efficacy of this approach using three different synthetic oligopeptides, and in all cases, we observe the efficient and continuous assembly of oligopeptides. In addition, finite element simulations are used to guide device design and to validate 3D focusing. Overall, this approach presents an efficient and effective method for the continuous assembly and alignment of ordered materials using microfluidics.
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Affiliation(s)
- Lawrence R Valverde
- Department of Materials Science and Engineering , University of Illinois at Urbana-Champaign , 1304 West Green Street , Urbana , Illinois 61801 , United States
| | - Bo Li
- Department of Chemical and Biomolecular Engineering , University of Illinois at Urbana-Champaign , 600 South Mathews Avenue , Urbana , Illinois 61801 , United States
| | - Charles M Schroeder
- Department of Materials Science and Engineering , University of Illinois at Urbana-Champaign , 1304 West Green Street , Urbana , Illinois 61801 , United States
- Department of Chemical and Biomolecular Engineering , University of Illinois at Urbana-Champaign , 600 South Mathews Avenue , Urbana , Illinois 61801 , United States
| | - William L Wilson
- Department of Materials Science and Engineering , University of Illinois at Urbana-Champaign , 1304 West Green Street , Urbana , Illinois 61801 , United States
- Frederick Seitz Materials Research Laboratory , University of Illinois at Urbana-Champaign , Urbana , Illinois 61801 , United States
- Center for Nanoscale Systems, Faculty of Arts and Sciences, Harvard University , Cambridge , Massachusetts 02138 , United States
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8
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Molecular Synchronization Enhances Molecular Interactions: An Explanatory Note of Pressure Effects. CRYSTALS 2018. [DOI: 10.3390/cryst8070300] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
In this study, we investigated a unique aspect of the supramolecular polymerization of tetrakis (4-sulfonatophenyl) porphyrin (TPPS), a self-assembling porphyrin, under non-equilibrium conditions by subtracting the effects of back-pressure on its polymerization. We focused on the enhanced self-assembly abilities of TPPS under a process of rapid proton diffusion in a microflow channel. Rapid protonation caused synchronization of many sets of protonation/deprotonation equilibria on the molecular scale, leading to the production of many sets of growing suparmolecular spices. Pressure effects in the microflow channel, which could potentially promote self-assembly of TPPS, were negligible, becoming predominant only when the system was in the synchronized state.
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Sugikawa K, Takamatsu Y, Kakigi T, Yasuhara K, Ikeda A. Tubulation of liposomes via the interaction of supramolecular nanofibers. Chem Commun (Camb) 2017; 53:10140-10143. [PMID: 28848982 DOI: 10.1039/c7cc05857h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We achieved tubulation of self-assembled lipid membranes, liposomes, via the interaction of supramolecular nanofibers, porphyrin J-aggregates. This structural change was reversible, and the deformation of the porphyrin J-aggregates caused reconstruction of the liposomes from the tubes. We discussed the tubulation mechanism and calculated the force provided by porphyrin J-aggregates for tubulation.
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Affiliation(s)
- Kouta Sugikawa
- Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima 739-8527, Japan.
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10
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Sugikawa K, Takamatsu Y, Yasuhara K, Ueda M, Ikeda A. Reversible Vesicle-to-Disk Transitions of Liposomes Induced by the Self-Assembly of Water-Soluble Porphyrins. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:1023-1029. [PMID: 28054781 DOI: 10.1021/acs.langmuir.6b02723] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Structural control of lipid membranes is important for mechanisms underlying biological functions and for creating high-functionality soft materials. We demonstrate the reversible control of vesicle structures (liposomes) using supramolecular assemblies. Specifically, water-soluble anionic porphyrin molecules interact with positively charged lipid membrane surfaces to form one-dimensional self-assembled structures (J-aggregates) under acidic conditions. Cryogenic transmission electron microscopy revealed that porphyrin J-aggregates on the membrane surface induced an extensive structural change from vesicles to layered disks. Neutralization of the solution deformed the porphyrin J-aggregates, thereby reforming nanosized liposomes from the layered disks.
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Affiliation(s)
- Kouta Sugikawa
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University , Higashi-Hiroshima 739-8527, Japan
| | - Yutaro Takamatsu
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University , Higashi-Hiroshima 739-8527, Japan
| | - Kazuma Yasuhara
- Graduate School of Materials Science, Nara Institute of Science and Technology , Nara 630-0192, Japan
| | - Masafumi Ueda
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University , Higashi-Hiroshima 739-8527, Japan
| | - Atsushi Ikeda
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University , Higashi-Hiroshima 739-8527, Japan
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11
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El-Hachemi Z, Balaban TS, Campos JL, Cespedes S, Crusats J, Escudero C, Kamma-Lorger CS, Llorens J, Malfois M, Mitchell GR, Tojeira AP, Ribó JM. Effect of Hydrodynamic Forces on meso-(4-Sulfonatophenyl)-Substituted Porphyrin J-Aggregate Nanoparticles: Elasticity, Plasticity and Breaking. Chemistry 2016; 22:9740-9. [PMID: 27238461 DOI: 10.1002/chem.201600874] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Indexed: 11/10/2022]
Abstract
The J aggregates of 4-sulfonatophenyl meso-substituted porphyrins are non-covalent polymers obtained by self-assembly that form nanoparticles of different morphologies. In the case of high aspect-ratio nanoparticles (bilayered ribbons and monolayered nanotubes), shear hydrodynamic forces may modify their shape and size, as observed by peak force microscopy, transmission electron microscopy of frozen solutions, small-angle X-ray scattering measurements in a disk-plate rotational cell, and cone-plate rotational viscometry. These nanoparticles either show elastic or plastic behaviour: there is plasticity in the ribbons obtained upon nanotube collapse on solid/air interfaces and in viscous concentrated nanotube solutions, whereas elasticity occurs in the case of dilute nanotube solutions. Sonication and strong shear hydrodynamic forces lead to the breaking of the monolayered nanotubes into small particles, which then associate into large colloidal particles.
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Affiliation(s)
- Zoubir El-Hachemi
- Department of Organic Chemistry, Institute of Cosmos Science (IEEC-UB), University of Barcelona (UB), c. Martí I Franquès 1, 08028, Barcelona, Catalonia, Spain.
| | | | - J Lourdes Campos
- Department of Chemical Engineering, Polytechnic University of Catalonia (UPC), Av. Diagonal 647, Barcelona, Catalonia, 08028, Spain
| | - Sergio Cespedes
- Department of Organic Chemistry, Institute of Cosmos Science (IEEC-UB), University of Barcelona (UB), c. Martí I Franquès 1, 08028, Barcelona, Catalonia, Spain
| | - Joaquim Crusats
- Department of Organic Chemistry, Institute of Cosmos Science (IEEC-UB), University of Barcelona (UB), c. Martí I Franquès 1, 08028, Barcelona, Catalonia, Spain
| | - Carlos Escudero
- ALBA Synchrotron Light Source, Carrer de la Llum 2-26, 08290, Cerdanyola del Vallès, Catalonia, Spain
| | - Christina S Kamma-Lorger
- ALBA Synchrotron Light Source, Carrer de la Llum 2-26, 08290, Cerdanyola del Vallès, Catalonia, Spain
| | - Joan Llorens
- Department of Chemical Engineering, University of Barcelona, c. Martí I Franquès 1, 08028, Barcelona, Catalonia, Spain
| | - Marc Malfois
- ALBA Synchrotron Light Source, Carrer de la Llum 2-26, 08290, Cerdanyola del Vallès, Catalonia, Spain
| | - Geoffrey R Mitchell
- Center for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Rua de Portugal, 2430-028 Marinha Grande, Portugal
| | - Ana P Tojeira
- Center for Rapid and Sustainable Product Development, Polytechnic Institute of Leiria, Rua de Portugal, 2430-028 Marinha Grande, Portugal
| | - Josep M Ribó
- Department of Organic Chemistry, Institute of Cosmos Science (IEEC-UB), University of Barcelona (UB), c. Martí I Franquès 1, 08028, Barcelona, Catalonia, Spain.
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Numata M, Sakai R, Asai A, Sanada Y, Sakurai K. Controlled Nucleation of Supramolecular Polymerization in a Pressure-regulatable Microflow Channel. CHEM LETT 2015. [DOI: 10.1246/cl.150744] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Munenori Numata
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Ryoichiro Sakai
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Atsushi Asai
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Yusuke Sanada
- Department of Chemistry and Biochemistry, University of Kitakyushu
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu
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13
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Numata M. Supramolecular Chemistry in Microflow Fields: Toward a New Material World of Precise Kinetic Control. Chem Asian J 2015; 10:2574-88. [DOI: 10.1002/asia.201500555] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Revised: 08/04/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Munenori Numata
- Department of Biomolecular Chemistry; Graduate School of Life and Environmental Sciences; Kyoto Prefectural University, Shimogamo, Sakyo-ku; Kyoto 606-8522 Japan
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14
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Numata M, Nishino Y, Sanada Y, Sakurai K. Creation of Kinetically Stabilized Porphyrin Microfilms through Synchronized Hydrogen-bonding Interactions in Microflow. CHEM LETT 2015. [DOI: 10.1246/cl.150149] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Munenori Numata
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Yuri Nishino
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Yusuke Sanada
- Department of Chemistry and Biochemistry, University of Kitakyushu
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu
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15
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Numata M, Kozawa T, Nakadozono T, Sanada Y, Sakurai K. Synchronized Self-assembly of a Fullerene Derivative Passing through a Programmable Microflow Field. CHEM LETT 2015. [DOI: 10.1246/cl.141186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Munenori Numata
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Tomohiro Kozawa
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Takuya Nakadozono
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Yusuke Sanada
- Department of Chemistry and Biochemistry, University of Kitakyushu
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu
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Numata M, Kozawa T, Nogami R, Tanaka K, Sanada Y, Sakurai K. Synchronized Activation of π-Conjugated Molecules toward Self-Assembly: Precisely Controlling the Hysteresis of the Metastable State along Microflow. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20140365] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Munenori Numata
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Tomohiro Kozawa
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Rie Nogami
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Kaori Tanaka
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Yusuke Sanada
- Department of Chemistry and Biochemistry, University of Kitakyushu
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu
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17
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Numata M, Sakai R. Spatially Controlled Initiation–Termination of Supramolecular Polymerization: Creation of End-capped Nanofiber with Discrete Length in Microflow. CHEM LETT 2014. [DOI: 10.1246/cl.140722] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Munenori Numata
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
| | - Ryoichiro Sakai
- Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University
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