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Kadokawa JI. Fabrication of Nanostructured Supramolecules through Helical Inclusion of Amylose toward Hydrophobic Polyester Guests, Biomimetically through Vine-Twining Polymerization Process. Biomimetics (Basel) 2023; 8:516. [PMID: 37999157 PMCID: PMC10669376 DOI: 10.3390/biomimetics8070516] [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: 10/11/2023] [Revised: 10/23/2023] [Accepted: 10/31/2023] [Indexed: 11/25/2023] Open
Abstract
This review article presents the biomimetic helical inclusion of amylose toward hydrophobic polyesters as guests through a vine-twining polymerization process, which has been performed in the glucan phosphorylase (GP)-catalyzed enzymatic polymerization field to fabricate supramolecules and other nanostructured materials. Amylose, which is a representative abundant glucose polymer (polysaccharide) with left-handed helical conformation, is well known to include a number of hydrophobic guest molecules with suitable geometry and size in its cavity to construct helical inclusion complexes. Pure amylose is prepared through enzymatic polymerization of α-d-glucose 1-phosphate as a monomer using a maltooligosaccharide as a primer, catalyzed by GP. It is reported that the elongated amylosic chain at the nonreducing end in enzymatic polymerization twines around guest polymers with suitable structures and moderate hydrophobicity, which is dispersed in aqueous polymerization media, to form amylosic nanostructured inclusion complexes. As the image of this system is similar to how vines of a plant grow around a support rod, this polymerization has been named 'vine-twining polymerization'. In particular, the helical inclusion behavior of the enzymatically produced amylose toward hydrophobic polyesters depending on their structures, e.g., chain lengths and substituents, has been systematically investigated in the vine-twining polymerization field. Furthermore, amylosic supramolecular network materials, such as hydrogels, are fabricated through vine-twining polymerization by using copolymers, where hydrophobic polyester guests or maltooligosaccharide primers are covalently modified on hydrophilic main-chain polymers. The vine-twining polymerization using such copolymers in the appropriate systems induces the formation of amylosic nanostructured inclusion complexes among them, which act as cross-linking points, giving rise to supramolecular networks at the nanoscale. The resulting materials form supramolecular hydrogels, films, and microparticles.
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Affiliation(s)
- Jun-Ichi Kadokawa
- Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 890-0065, Japan
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Modification of starch: A review on the application of “green” solvents and controlled functionalization. Carbohydr Polym 2020; 241:116350. [DOI: 10.1016/j.carbpol.2020.116350] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 04/16/2020] [Accepted: 04/18/2020] [Indexed: 01/25/2023]
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Konstantakos S, Marinopoulou A, Papaemmanouil S, Emmanouilidou M, Karamalaki M, Kolothas E, Saridou E, Papastergiadis E, Karageorgiou V. Preparation of model starch complex hydrogels. Food Hydrocoll 2019. [DOI: 10.1016/j.foodhyd.2019.05.046] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Mu B, Liu T, Tian W. Long‐Chain Hyperbranched Polymers: Synthesis, Properties, and Applications. Macromol Rapid Commun 2018; 40:e1800471. [DOI: 10.1002/marc.201800471] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 07/30/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Bin Mu
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions and Shaanxi Key Laboratory of Macromolecular Science and TechnologySchool of ScienceNorthwestern Polytechnical University Xi'an 710072 P. R. China
| | - Tingting Liu
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions and Shaanxi Key Laboratory of Macromolecular Science and TechnologySchool of ScienceNorthwestern Polytechnical University Xi'an 710072 P. R. China
| | - Wei Tian
- MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions and Shaanxi Key Laboratory of Macromolecular Science and TechnologySchool of ScienceNorthwestern Polytechnical University Xi'an 710072 P. R. China
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Preparation and Material Application of Amylose-Polymer Inclusion Complexes by Enzymatic Polymerization Approach. Polymers (Basel) 2017; 9:polym9120729. [PMID: 30966029 PMCID: PMC6418592 DOI: 10.3390/polym9120729] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 12/10/2017] [Accepted: 12/13/2017] [Indexed: 11/29/2022] Open
Abstract
This review presents our researches on the preparation and material application of inclusion complexes that comprises an amylose host and polymeric guests through phosphorylase-catalyzed enzymatic polymerization. Amylose is a well-known polysaccharide and forms inclusion complexes with various hydrophobic small molecules. Pure amylose is produced by enzymatic polymerization by using α-d-glucose 1-phosphate as a monomer and maltooligosaccharide as a primer catalyzed by phosphorylase. We determined that a propagating chain of amylose during enzymatic polymerization wraps around hydrophobic polymers present in the reaction system to form inclusion complexes. We termed this polymerization “vine-twining polymerization” because it is similar to the way vines of a plant grow around a rod. Hierarchical structured amylosic materials, such as hydrogels and films, were fabricated by inclusion complexation through vine-twining polymerization by using copolymers covalently grafted with hydrophobic guest polymers. The enzymatically produced amyloses induced complexation with the guest polymers in the intermolecular graft copolymers, which acted as cross-linking points to form supramolecular hydrogels. By including a film-formable main-chain in the graft copolymer, a supramolecular film was obtained through hydrogelation. Supramolecular polymeric materials were successfully fabricated through vine-twining polymerization by using primer-guest conjugates. The products of vine-twining polymerization form polymeric continuums of inclusion complexes, where the enzymatically produced amylose chains elongate from the conjugates included in the guest segments of the other conjugates.
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Tanaka T, Tsutsui A, Tanaka K, Yamamoto K, Kadokawa JI. Evaluation of Stability of Amylose Inclusion Complexes Depending on Guest Polymers and Their Application to Supramolecular Polymeric Materials. Biomolecules 2017; 7:E28. [PMID: 28294979 PMCID: PMC5372740 DOI: 10.3390/biom7010028] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Revised: 03/09/2017] [Accepted: 03/09/2017] [Indexed: 02/07/2023] Open
Abstract
This paper describes the evaluation of the stability of amylose-polymer inclusion complexes under solution state in dimethyl sulfoxide (DMSO) depending on guest polymers. The three complexes were prepared by the vine-twining polymerization method using polytetrahydrofuran (PTHF), poly(ε-caprolactone) (PCL), and poly(l-lactide) (PLLA) as guest polymers. The stability investigation was conducted at desired temperatures (25, 30, 40, 60 °C) in DMSO solutions of the complexes. Consequently, the amylose-PTHF inclusion complex was dissociated at 25 °C, while the other complexes were stable under the same conditions. When the temperatures were elevated, the amylose-PCL and amylose-PLLA complexes were dissociated at 40 and 60 °C, respectively. We also found that amylose inclusion supramolecular polymers which were prepared by the vine-twining polymerization using primer-guest conjugates formed films by the acetylation of amylose segments. The film from acetylated amylose-PLLA supramolecular polymer had higher storage modulus than that from acetylated amylose-PTHF supramolecular polymer, as a function of temperature.
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Affiliation(s)
- Tomonari Tanaka
- Department of Biobased Materials Science, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Atsushi Tsutsui
- Department of Biobased Materials Science, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Kazuya Tanaka
- Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 860-0065, Japan.
| | - Kazuya Yamamoto
- Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 860-0065, Japan.
| | - Jun-Ichi Kadokawa
- Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 860-0065, Japan.
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Nishimura T, Akiyoshi K. Amylose engineering: phosphorylase-catalyzed polymerization of functional saccharide primers for glycobiomaterials. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2017; 9:e1423. [PMID: 27506150 PMCID: PMC5333464 DOI: 10.1002/wnan.1423] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 06/26/2016] [Accepted: 07/05/2016] [Indexed: 12/31/2022]
Abstract
Interest in amylose and its hybrids has grown over many decades, and a great deal of work has been devoted to developing methods for designing functional amylose hybrids. In this context, phosphorylase-catalyzed polymerization shows considerable promise as a tool for preparing diverse amylose hybrids. Recently, advances have been made in the chemoenzymatic synthesis and characterization of amylose-block-polymers, amylose-graft-polymers, amylose-modified surfaces, hetero-oligosaccharides, and cellodextrin hybrids. Many of these saccharides provide clear opportunities for advances in biomaterials because of their biocompatibility and biodegradability. Important developments in bioapplications of amylose hybrids have also been made, and such newly developed amylose hybrids will help promote the development of new generations of glyco materials. WIREs Nanomed Nanobiotechnol 2017, 9:e1423. doi: 10.1002/wnan.1423 For further resources related to this article, please visit the WIREs website.
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Affiliation(s)
- Tomoki Nishimura
- Department of Polymer Chemistry, Graduate School of EngineeringKyoto UniversityKyotoJapan
- JST-ERATO Akiyoshi Bionanotransporter ProjectKyotoJapan
| | - Kazunari Akiyoshi
- Department of Polymer Chemistry, Graduate School of EngineeringKyoto UniversityKyotoJapan
- JST-ERATO Akiyoshi Bionanotransporter ProjectKyotoJapan
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Liu T, Wang S, Song Y, Li J, Yan H, Tian W. ABx-type amphiphilic macromonomer-based supramolecular hyperbranched polymers for controllable self-assembly. Polym Chem 2017. [DOI: 10.1039/c6py02215d] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A novel supramolecular hyperbranched polymer (SHP) is constructed through using an ABx-type amphiphilic macromonomer. The obtained SHP can form ellipsoidal unimolecular micelles and branched aggregates under different solution conditions.
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Affiliation(s)
- Tingting Liu
- The Key Laboratory of Space Applied Physics and Chemistry
- Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
- School of Science
- Northwestern Polytechnical University
- Xi'an
| | - Shuodong Wang
- The Key Laboratory of Space Applied Physics and Chemistry
- Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
- School of Science
- Northwestern Polytechnical University
- Xi'an
| | - Yanli Song
- The Key Laboratory of Space Applied Physics and Chemistry
- Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
- School of Science
- Northwestern Polytechnical University
- Xi'an
| | - Jiawei Li
- The Key Laboratory of Space Applied Physics and Chemistry
- Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
- School of Science
- Northwestern Polytechnical University
- Xi'an
| | - Hongxia Yan
- The Key Laboratory of Space Applied Physics and Chemistry
- Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
- School of Science
- Northwestern Polytechnical University
- Xi'an
| | - Wei Tian
- The Key Laboratory of Space Applied Physics and Chemistry
- Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
- School of Science
- Northwestern Polytechnical University
- Xi'an
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Abstract
This feature article presents a systematic summary of the synthesis strategies including direct and indirect approaches for obtaining supramolecular hyperbranched polymers (SHPs).
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Affiliation(s)
- Wei Tian
- The Key Laboratory of Space Applied Physics and Chemistry
- Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
- School of Science
- Northwestern Polytechnical University
- Xi'an
| | - Xuexiang Li
- The Key Laboratory of Space Applied Physics and Chemistry
- Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
- School of Science
- Northwestern Polytechnical University
- Xi'an
| | - Jingxia Wang
- The Key Laboratory of Space Applied Physics and Chemistry
- Ministry of Education and Shaanxi Key Laboratory of Macromolecular Science and Technology
- School of Science
- Northwestern Polytechnical University
- Xi'an
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Yashima E, Ousaka N, Taura D, Shimomura K, Ikai T, Maeda K. Supramolecular Helical Systems: Helical Assemblies of Small Molecules, Foldamers, and Polymers with Chiral Amplification and Their Functions. Chem Rev 2016; 116:13752-13990. [PMID: 27754649 DOI: 10.1021/acs.chemrev.6b00354] [Citation(s) in RCA: 1198] [Impact Index Per Article: 149.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
In this review, we describe the recent advances in supramolecular helical assemblies formed from chiral and achiral small molecules, oligomers (foldamers), and helical and nonhelical polymers from the viewpoints of their formations with unique chiral phenomena, such as amplification of chirality during the dynamic helically assembled processes, properties, and specific functionalities, some of which have not been observed in or achieved by biological systems. In addition, a brief historical overview of the helical assemblies of small molecules and remarkable progress in the synthesis of single-stranded and multistranded helical foldamers and polymers, their properties, structures, and functions, mainly since 2009, will also be described.
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Affiliation(s)
- Eiji Yashima
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Naoki Ousaka
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Daisuke Taura
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Kouhei Shimomura
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Tomoyuki Ikai
- Graduate School of Natural Science and Technology, Kanazawa University , Kakuma-machi, Kanazawa 920-1192, Japan
| | - Katsuhiro Maeda
- Graduate School of Natural Science and Technology, Kanazawa University , Kakuma-machi, Kanazawa 920-1192, Japan
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Kadokawa JI. Precision Synthesis of Functional Polysaccharide Materials by Phosphorylase-Catalyzed Enzymatic Reactions. Polymers (Basel) 2016; 8:E138. [PMID: 30979227 PMCID: PMC6432375 DOI: 10.3390/polym8040138] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 01/11/2016] [Accepted: 01/13/2016] [Indexed: 01/29/2023] Open
Abstract
In this review article, the precise synthesis of functional polysaccharide materials using phosphorylase-catalyzed enzymatic reactions is presented. This particular enzymatic approach has been identified as a powerful tool in preparing well-defined polysaccharide materials. Phosphorylase is an enzyme that has been employed in the synthesis of pure amylose with a precisely controlled structure. Similarly, using a phosphorylase-catalyzed enzymatic polymerization, the chemoenzymatic synthesis of amylose-grafted heteropolysaccharides containing different main-chain polysaccharide structures (e.g., chitin/chitosan, cellulose, alginate, xanthan gum, and carboxymethyl cellulose) was achieved. Amylose-based block, star, and branched polymeric materials have also been prepared using this enzymatic polymerization. Since phosphorylase shows a loose specificity for the recognition of substrates, different sugar residues have been introduced to the non-reducing ends of maltooligosaccharides by phosphorylase-catalyzed glycosylations using analog substrates such as α-d-glucuronic acid and α-d-glucosamine 1-phosphates. By means of such reactions, an amphoteric glycogen and its corresponding hydrogel were successfully prepared. Thermostable phosphorylase was able to tolerate a greater variance in the substrate structures with respect to recognition than potato phosphorylase, and as a result, the enzymatic polymerization of α-d-glucosamine 1-phosphate to produce a chitosan stereoisomer was carried out using this enzyme catalyst, which was then subsequently converted to the chitin stereoisomer by N-acetylation. Amylose supramolecular inclusion complexes with polymeric guests were obtained when the phosphorylase-catalyzed enzymatic polymerization was conducted in the presence of the guest polymers. Since the structure of this polymeric system is similar to the way that a plant vine twines around a rod, this polymerization system has been named "vine-twining polymerization". Through this approach, amylose supramolecular network materials were fabricated using designed graft copolymers. Furthermore, supramolecular inclusion polymers were formed by vine-twining polymerization using primer⁻guest conjugates.
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Affiliation(s)
- Jun-Ichi Kadokawa
- Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 890-0065, Japan.
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Shoda SI, Uyama H, Kadokawa JI, Kimura S, Kobayashi S. Enzymes as Green Catalysts for Precision Macromolecular Synthesis. Chem Rev 2016; 116:2307-413. [PMID: 26791937 DOI: 10.1021/acs.chemrev.5b00472] [Citation(s) in RCA: 303] [Impact Index Per Article: 37.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The present article comprehensively reviews the macromolecular synthesis using enzymes as catalysts. Among the six main classes of enzymes, the three classes, oxidoreductases, transferases, and hydrolases, have been employed as catalysts for the in vitro macromolecular synthesis and modification reactions. Appropriate design of reaction including monomer and enzyme catalyst produces macromolecules with precisely controlled structure, similarly as in vivo enzymatic reactions. The reaction controls the product structure with respect to substrate selectivity, chemo-selectivity, regio-selectivity, stereoselectivity, and choro-selectivity. Oxidoreductases catalyze various oxidation polymerizations of aromatic compounds as well as vinyl polymerizations. Transferases are effective catalysts for producing polysaccharide having a variety of structure and polyesters. Hydrolases catalyzing the bond-cleaving of macromolecules in vivo, catalyze the reverse reaction for bond forming in vitro to give various polysaccharides and functionalized polyesters. The enzymatic polymerizations allowed the first in vitro synthesis of natural polysaccharides having complicated structures like cellulose, amylose, xylan, chitin, hyaluronan, and chondroitin. These polymerizations are "green" with several respects; nontoxicity of enzyme, high catalyst efficiency, selective reactions under mild conditions using green solvents and renewable starting materials, and producing minimal byproducts. Thus, the enzymatic polymerization is desirable for the environment and contributes to "green polymer chemistry" for maintaining sustainable society.
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Affiliation(s)
- Shin-ichiro Shoda
- Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University , Aoba-ku, Sendai 980-8579, Japan
| | - Hiroshi Uyama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University , Yamadaoka, Suita 565-0871, Japan
| | - Jun-ichi Kadokawa
- Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University , Korimoto, Kagoshima 890-0065, Japan
| | - Shunsaku Kimura
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University , Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Shiro Kobayashi
- Center for Fiber & Textile Science, Kyoto Institute of Technology , Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
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