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Shao SW, Puneet P, Li MC, Ikai T, Yashima E, Ho RM. Chiral Luminophore Guided Self-Assembly of Achiral Block Copolymers for the Amplification of Circularly Polarized Luminescence. ACS Macro Lett 2024; 13:734-740. [PMID: 38814070 DOI: 10.1021/acsmacrolett.4c00188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
This work aims to examine the effect of self-assembly on the chiroptic responses of the achiral block copolymer (BCP) polystyrene-b-poly(ethylene oxide) (PS-b-PEO) associated with chiral luminophores, (R)- or (S)-1,1'-bi-2-naphthol ((R)- or (S)-BINOL), through hydrogen bonding. With the formation of a well-ordered helical phase (H*), significantly induced circular dichroism (ICD) signals for the PEO block in the mixture can be found. Most interestingly, a remarkable amplification with an extremely large dissymmetry factor of luminescence (glum) from 10-3 to 0.3 (i.e., induced circular polarized luminescence (iCPL) behavior) for the chiral BINOLs in the mixture can be achieved by the formation of the helical phase (H*) via mesochiral self-assembly. As a result, by taking advantage of BCP for mesochiral self-assembly, it is feasible to create a nanostructured monolith with substantial optical activities, offering promising applications in the design of chiroptic devices.
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Affiliation(s)
- Sheng-Wei Shao
- Department of Chemical Engineering, National Tsing Hua University No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, R.O.C
| | - Puhup Puneet
- Department of Chemical Engineering, National Tsing Hua University No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, R.O.C
| | - Ming-Chia Li
- Department of Biological Science and Technology, Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan, R.O.C
| | - Tomoyuki Ikai
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Eiji Yashima
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, R.O.C
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2
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Mure T, Kinoshita Y, Sakai H, Morii S, Wu HN, Yung TM, Yu HC, Nagashima K, Higashiguchi W, Ohta N, Hayakawa T, Nakamura Y, Fujii S, Li MC, Hirai T. Chiral Transfer of Linear Polysiloxane with Preferred-Handed Helical Conformation. ACS Macro Lett 2024; 13:537-541. [PMID: 38629809 DOI: 10.1021/acsmacrolett.4c00122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
We report the preparation of chiral silica using a linear polysiloxane main chain with a preferred-handed helical structure as the template. Poly(methylvinyl siloxane) (PMVS) with a cysteine derivative side chain designated as PMVS-Cys was prepared using anionic polymerization and an ene-thiol reaction. PMVS-Cys forms a helical conformation in both solution and film via hydrogen bonding between amide groups at side chains. The helical structure remains during the calcination process, resulting in silica with helical structure. The silica with a helical structure shows optical activity.
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Affiliation(s)
- Tomoki Mure
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering, Osaka Institute of Technology, 5-16-1 Omiya Asahi-ku, Osaka 535-8585, Japan
| | - Yakumo Kinoshita
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering, Osaka Institute of Technology, 5-16-1 Omiya Asahi-ku, Osaka 535-8585, Japan
| | - Hinari Sakai
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering, Osaka Institute of Technology, 5-16-1 Omiya Asahi-ku, Osaka 535-8585, Japan
| | - Shunsuke Morii
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering, Osaka Institute of Technology, 5-16-1 Omiya Asahi-ku, Osaka 535-8585, Japan
| | - Hsin-Ni Wu
- Department of Biological Science and Technology, Center For Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Tsz-Ming Yung
- Department of Biological Science and Technology, Center For Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Hao-Cheng Yu
- Department of Biological Science and Technology, Center For Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Kodai Nagashima
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-S8-36 Ookayama Meguro-ku, Tokyo 152-8552, Japan
| | - Wataru Higashiguchi
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-S8-36 Ookayama Meguro-ku, Tokyo 152-8552, Japan
| | - Noboru Ohta
- Japan Synchrotron Radiation Research Institute, SPring-8, Sayo, Hyogo 679-5198, Japan
| | - Teruaki Hayakawa
- Department of Materials Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1-S8-36 Ookayama Meguro-ku, Tokyo 152-8552, Japan
| | - Yoshinobu Nakamura
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering, Osaka Institute of Technology, 5-16-1 Omiya Asahi-ku, Osaka 535-8585, Japan
| | - Syuji Fujii
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering, Osaka Institute of Technology, 5-16-1 Omiya Asahi-ku, Osaka 535-8585, Japan
| | - Ming-Chia Li
- Department of Biological Science and Technology, Center For Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
| | - Tomoyasu Hirai
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering, Osaka Institute of Technology, 5-16-1 Omiya Asahi-ku, Osaka 535-8585, Japan
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3
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Yuan J, Chiu PT, Liu X, Zhou J, Wang Y, Ho RM, Wen T. Cross-domain Chirality Transfer in Self-Assembly of Chiral Block Copolymers. Angew Chem Int Ed Engl 2024; 63:e202317102. [PMID: 38140766 DOI: 10.1002/anie.202317102] [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: 11/10/2023] [Revised: 12/17/2023] [Accepted: 12/22/2023] [Indexed: 12/24/2023]
Abstract
Chirality transfer is essential to acquire helical hierarchical superstructures from the self-assembly of supramolecular materials. By taking advantage of chirality transfers at different length scales through intra-chain and inter-chain chiral interactions, helical phase (H*) can be formed from the self-assembly of chiral block copolymers (BCPs*). In this study, chiral triblock terpolymers, polystyrene-b-poly(ethylene oxide)-b-poly(L-lactide) (PS-PEO-PLLA), and polystyrene-b-poly(4-vinylpyridine)-b-poly(L-lactide) (PS-P4VP-PLLA) are synthesized for self-assembly. For PS-PEO-PLLA with an achiral PEO mid-block that is compatible with PLLA (chiral end-block), H* can be formed while the block length is below a critical value. By contrast, for the one with achiral P4VP mid-block that is incompatible with PLLA, the formation of H* phase would be suppressed regardless of the length of the mid-block, giving cylinder phase. Those results elucidate a new type of chirality transfer across the phase domain that is referred as cross-domain chirality transfer, providing complementary understanding of the chirality transfer at the interface of phase-separated domains.
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Affiliation(s)
- Jun Yuan
- Electron Microscopy Center, South China University of Technology, 381 Wushan Road, Tianhe District, Guangzhou, 510640, China
| | - Po-Ting Chiu
- Department of Chemical Engineering, National Tsing Hua University, 101, Section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
| | - Xiang Liu
- School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, 381 Wushan Road, Tianhe District, Guangzhou, 510640, China
| | - Jiajia Zhou
- School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, 381 Wushan Road, Tianhe District, Guangzhou, 510640, China
| | - Yingying Wang
- School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, 381 Wushan Road, Tianhe District, Guangzhou, 510640, China
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University, 101, Section 2, Kuang-Fu Road, Hsinchu, 30013, Taiwan
| | - Tao Wen
- School of Emergent Soft Matter, Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, 381 Wushan Road, Tianhe District, Guangzhou, 510640, China
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4
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Rahmayanti W, Nagarajan S, Sun YS, Woo EM. Iridescent Features Correlating with Periodic Assemblies in Custom-Crystallized Arylate Polyesters. Int J Mol Sci 2023; 24:15538. [PMID: 37958521 PMCID: PMC10650520 DOI: 10.3390/ijms242115538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 10/14/2023] [Accepted: 10/20/2023] [Indexed: 11/15/2023] Open
Abstract
In this study, five different aryl polyesters, i.e., poly(ethylene terephthalate) (PET), poly(trimethylene terephthalate) (PTT), poly(octamethylene terephthalate) (POT), poly(nonamethylene terephthalate) (PNT), and poly(decamethylene terephthalate) (PDT), upon crystallization at a suitable temperature range, all exhibit ring-banded spherulites with universal characteristics. Previous research has revealed some fundamental mechanisms underlying the formation of periodic hierarchical structures. Additionally, this study further explored correlations among micro/nanocrystal assemblies in the top surface and internal grating architectures and the structural iridescent properties. The interior lamellar assembly of arylate polyesters' banded spherulites is shown to exhibit periodic birefringence patterns that are highly reminiscent of those found in a variety of biological structures, with the capacity for iridescence from light interference. A laser diffraction analysis was also used to support confirmation of this condition, which could result in an arc diffraction pattern indicative of the presence of ringed spherulites. Among the five arylate polyesters, only PET is incapable of regularly producing ring-banded morphology, and thus cannot produce any iridescent color.
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Affiliation(s)
| | | | - Ya-Sen Sun
- Department of Chemical Engineering, National Cheng Kung University, No. 1, University Road, Tainan 701-01, Taiwan; (W.R.); (S.N.)
| | - Eamor M. Woo
- Department of Chemical Engineering, National Cheng Kung University, No. 1, University Road, Tainan 701-01, Taiwan; (W.R.); (S.N.)
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5
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Vermeyen T, Cunha A, Bultinck P, Herrebout W. Impact of conformation and intramolecular interactions on vibrational circular dichroism spectra identified with machine learning. Commun Chem 2023; 6:148. [PMID: 37438485 DOI: 10.1038/s42004-023-00944-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 06/29/2023] [Indexed: 07/14/2023] Open
Abstract
Vibrational Circular Dichroism (VCD) spectra often differ strongly from one conformer to another, even within the same absolute configuration of a molecule. Simulated molecular VCD spectra typically require expensive quantum chemical calculations for all conformers to generate a Boltzmann averaged total spectrum. This paper reports whether machine learning (ML) can partly replace these quantum chemical calculations by capturing the intricate connection between a conformer geometry and its VCD spectrum. Three hypotheses concerning the added value of ML are tested. First, it is shown that for a single stereoisomer, ML can predict the VCD spectrum of a conformer from solely the conformer geometry. Second, it is found that the ML approach results in important time savings. Third, the ML model produced is unfortunately hardly transferable from one stereoisomer to another.
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Affiliation(s)
- Tom Vermeyen
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerpen, 2020, Belgium.
- Department of Chemistry, Ghent University, Krijgslaan 281, Gent, 9000, Belgium.
| | - Ana Cunha
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerpen, 2020, Belgium
| | - Patrick Bultinck
- Department of Chemistry, Ghent University, Krijgslaan 281, Gent, 9000, Belgium.
| | - Wouter Herrebout
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, Antwerpen, 2020, Belgium
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6
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Kim M, Kim J, Lee HJ, Kim H, Nam KT, Kim DH. Block Copolymer Enabled Synthesis and Assembly of Chiral Metal Oxide Nanoparticle. ACS NANO 2023; 17:7611-7623. [PMID: 37011403 DOI: 10.1021/acsnano.3c00047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Chiral metal oxide nanostructures have received tremendous attention in nanotechnological applications owing to their intriguing chiroptical and magnetic properties. Current synthetic methods mostly rely on the use of amino acids or peptides as chiral inducers. Here, we report a general approach to fabricate chiral metal oxide nanostructures with tunable magneto-chiral effects, using block copolymer (BCP) inverse micelle and R/S-mandelic acid (MA). Diverse chiral metal oxide nanostructures are prepared by the selective incorporation of precursors within micellar cores followed by the oxidation process, exhibiting intense chiroptical properties with a g-factor up to 7.0 × 10-3 in the visible-NIR range for the Cr2O3 nanoparticle multilayer. The BCP inverse micelle is found to inhibit the racemization of MA, allowing MA to act as a chiral dopant that imparts chirality to nanostructures via hierarchical chirality transfer. Notably, for paramagnetic nanostructures, magneto-chiroptical modulation is realized by regulating the direction of the external magnetic field. This BCP-driven approach can be extended to the mass production of chiral nanostructures with tunable architectures and optical activities, which may provide insights into the development of chiroptical functional materials.
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Affiliation(s)
- Minju Kim
- Department of Chemistry and Nano Science, Division of Molecular and Life Sciences, College of Natural Sciences, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
| | - Jiweon Kim
- Department of Chemistry and Nano Science, Division of Molecular and Life Sciences, College of Natural Sciences, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
| | - Hyun Jeong Lee
- Department of Chemistry and Nano Science, Division of Molecular and Life Sciences, College of Natural Sciences, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
| | - Hyeohn Kim
- Department of Materials Science and Engineering, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Ki Tae Nam
- Department of Materials Science and Engineering, Seoul National University, Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Dong Ha Kim
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Republic of Korea
- Basic Sciences Research Institute, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
- Nanobio Energy Materials Center (National Research Facilities and Equipment Center), Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Republic of Korea
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7
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Li J, Wang S, Lu H, Tu Y, Wan X, Li X, Tu Y, Li CY. Helical Crystals in Aliphatic Copolyesters: From Chiral Amplification to Mechanical Property Enhancement. ACS Macro Lett 2023; 12:369-375. [PMID: 36847524 DOI: 10.1021/acsmacrolett.2c00753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
We demonstrate herein a bottom-up strategy for achieving helical crystals via chiral amplification in copolyesters by incorporating a small amount of (d)-isosorbide into semicrystalline polyester, poly(ethylene brassylate) (PEB). During bulk crystallization of poly(ethylene-co-isosorbide brassylate)s, the molecular chirality of isosorbide in the amorphous region is transferred to PEB crystal chirality and amplified by the formation of right-handed helical crystals. Increasing isosorbide content or reducing crystallization temperature leads to thinner PEB lamellae crystals, strengthening chiral amplification by forming superhelices with a smaller helical pitch. Moreover, the superhelices with smaller helical pitch (larger chiral amplification) endow aliphatic copolyesters with enhanced modulus, strength, and toughness without sacrificing elongation-at-break. The principle outlined here could apply to the design of strong and tough materials.
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Affiliation(s)
- Jing Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Sheng Wang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Huanjun Lu
- Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Yanyan Tu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Xinhua Wan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Xiaohong Li
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Yingfeng Tu
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
| | - Christopher Y Li
- Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States
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Miao T, Cheng X, Zhang G, Wang Y, He Z, Wang Z, Zhang W. Self-recovery of chiral microphase separation in an achiral diblock copolymer system. Chem Sci 2023; 14:1673-1678. [PMID: 36819871 PMCID: PMC9930918 DOI: 10.1039/d2sc05975d] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 01/09/2023] [Indexed: 01/11/2023] Open
Abstract
Macroscopic regulation of chiral supramolecular nanostructures in liquid-crystalline block copolymers is of great significance in photonics and nanotechnology. Although fabricating helical phase structures via chiral doping and microphase separation has been widely reported, the chiral memory and self-recovery capacity of asymmetric phase structures are the major challenge and still deeply rely on the presence of chiral additives. Herein, we demonstrate the first controllable chiral microphase separation in an achiral amphiphilic block copolymer consisting of poly(ethylene oxide) and azobenzene (Azo) groups. Chirality can be transferred to the fabricated helical nanostructures by doping with chiral additives (tartaric acid, TA). After the removal of the chiral additives and then performing cross-linking, the formed helical nanostructures will completely dispense with the chiral source. The supramolecular chirality and the micron-scale phase structure can be maintained under UV irradiation and heating-cooling treatment, enabling a reversible "on-off" chiroptical switch feature. This work is expected to avoid the tedious synthesis and expensive raw materials and shows a great application prospect in chiral separation and so on.
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Affiliation(s)
- Tengfei Miao
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 Jiangsu China .,Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University Huaian 223300 Jiangsu China
| | - Xiaoxiao Cheng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 Jiangsu China
| | - Gong Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 Jiangsu China
| | - Yuqing Wang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 Jiangsu China
| | - Zixiang He
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 Jiangsu China
| | - Zhao Wang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 Jiangsu China
| | - Wei Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow University Suzhou 215123 Jiangsu China .,School of Chemical and Environmental Engineering, Anhui Polytechnic University Wuhu 241000 P. R. China
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9
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Puneet P, Shao SW, Ho RM. Induced Circular Dichroism and Circularly Polarized Luminescence for Block Copolymers with Chiral Communications. Macromol Rapid Commun 2023; 44:e2200369. [PMID: 35836097 DOI: 10.1002/marc.202200369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/28/2022] [Indexed: 01/11/2023]
Abstract
Many sophisticated chiral materials are found in living organisms, giving specific functions and required complexity. Owing to the remarkable optical properties of chiral materials, they have drawn significant attention for the development of synthetic materials to give optical activities for appealing applications. In contrast to a top-down approach, the bottom-up approach from self-assembled systems with chiral host-achiral guest and achiral guest-chiral host for induced circular dichroism and induced circularly polarized luminescence has greatly emerged because of its cost-effective advantage with easy fabrication for mesoscale assembly. Self-assembled hierarchical textures with chiral sense indeed give significant amplification of the dissymmetry factors of absorption and luminescence (gabs and glum ), resulting from the formation of well-ordered superstructures and phases with the building of chromophores and luminophores. By taking advantage of the microphase separation of block copolymers via self-assembly, a variety of well-defined chiral nanostructures can be formed as tertiary superstructures that can be further extended to quaternary phases in bulk or thin film. In this article, a conceptual perspective is presented to utilize the self-assembly of chiral block copolymers with chiral communications, giving quaternary phases with well-ordered textures at the nanoscale for significant enhancement of dissymmetry factors.
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Affiliation(s)
- Puhup Puneet
- Department of Chemical Engineering, National Tsing Hua University No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan, 30013, Republic of China
| | - Sheng-Wei Shao
- Department of Chemical Engineering, National Tsing Hua University No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan, 30013, Republic of China
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan, 30013, Republic of China
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10
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Gao X, Zhao B, Deng J. Chirality Transfer from Polylactide to Achiral Fluorophore in Hierarchical Crystallization for Realizing Handedness-Tunable and Nonreciprocal Circularly Polarized Luminescence. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Xinhui Gao
- State Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Biao Zhao
- State Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jianping Deng
- State Key Laboratory of Chemical Resource Engineering, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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11
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Ma Y, Cheng X, Ma H, He Z, Zhang Z, Zhang W. Unexpected chirality transition and inversion mediated by dissolution-aggregation and the odd-even effect. Chem Sci 2022; 13:13623-13630. [PMID: 36507187 PMCID: PMC9682918 DOI: 10.1039/d2sc05255e] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 10/25/2022] [Indexed: 12/15/2022] Open
Abstract
The evolution of hierarchical chirality at macromolecular and supramolecular levels in biological systems is ubiquitous; however, achieving precise control over transitions between them in polymer systems is still challenging. Here, we reported multiple chiroptical transitions and inversion phenomena in side-chain azobenzene (Azo) polymers, PAzo-l/d-m (m = 3, 6, 7, 8, 9, and 10, where m is the total number of atoms from the chiral stereocenter to the Azo unit), with different distances from the chiral stereocenter to the Azo unit. In the case of m = 3, an unexpected macromolecular-to-supramolecular chirality transition and inversion occurred in situ when the Azo-polymer underwent from a macromolecular-dissolved state to a supramolecular-aggregated state. To our surprise, an exciton-coupling induced multiple chiroptical inversion was observed upon the heating-assisted reassembly treatment, which was demonstrated to be driven by H- to J-aggregation transition. Furthermore, the odd-even effect was first established to regulate the supramolecular helical orientations (left- or right-handedness) in side-chain Azo-polymer assemblies.
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Affiliation(s)
- Yafei Ma
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow UniversitySuzhou215123JiangsuChina
| | - Xiaoxiao Cheng
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow UniversitySuzhou215123JiangsuChina
| | - Haotian Ma
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow UniversitySuzhou215123JiangsuChina
| | - Zixiang He
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow UniversitySuzhou215123JiangsuChina
| | - Zhengbiao Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow UniversitySuzhou215123JiangsuChina
| | - Wei Zhang
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, Jiangsu Engineering Laboratory of Novel Functional Polymeric Materials, Suzhou Key Laboratory of Macromolecular Design and Precision Synthesis, College of Chemistry, Chemical Engineering and Materials Science, Soochow UniversitySuzhou215123JiangsuChina
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12
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Puneet P, Chiu PT, Yang KC, Lee TL, Ho RM. Topological Nanostructures with Preferred Helicity from Self-Assembly of Block Copolymers via Homochiral Evolution. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Puhup Puneet
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, R.O.C
| | - Po-Ting Chiu
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, R.O.C
| | - Kai-Chieh Yang
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, R.O.C
| | - Tsung-Lun Lee
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, R.O.C
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu 30013, Taiwan, R.O.C
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13
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Wu P, Pietropaolo A, Fortino M, Shimoda S, Maeda K, Nishimura T, Bando M, Naga N, Nakano T. Non‐uniform Self‐folding of Helical Poly(fluorenevinylene) Derivatives in the Solid State Leading to Amplified Circular Dichroism and Circularly Polarized Light Emission. Angew Chem Int Ed Engl 2022; 61:e202210556. [DOI: 10.1002/anie.202210556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Pengfei Wu
- Institute for Catalysis (ICAT) Hokkaido University N21W10, Kita-ku Sapporo 001-0021 Japan
- Graduate School of Chemical Sciences and Engineering Hokkaido University N21W10, Kita-ku Sapporo 001-0021 Japan
| | - Adriana Pietropaolo
- Dipartimento di Scienze della Salute Università di Catanzaro Catanzaro Italy
| | - Mariagrazia Fortino
- Dipartimento di Scienze della Salute Università di Catanzaro Catanzaro Italy
| | - Shuhei Shimoda
- Institute for Catalysis (ICAT) Hokkaido University N21W10, Kita-ku Sapporo 001-0021 Japan
| | - Katsuhiro Maeda
- Graduate School of Natural Science and Technology and WPI Nano Life Science Institute (WPI-NanoLSI) Kanazawa University Kakuma-machi Kanazawa 920-1192 Japan
| | - Tatsuya Nishimura
- Graduate School of Natural Science and Technology and WPI Nano Life Science Institute (WPI-NanoLSI) Kanazawa University Kakuma-machi Kanazawa 920-1192 Japan
| | - Masayoshi Bando
- Institute for Catalysis (ICAT) Hokkaido University N21W10, Kita-ku Sapporo 001-0021 Japan
- Graduate School of Chemical Sciences and Engineering Hokkaido University N21W10, Kita-ku Sapporo 001-0021 Japan
| | - Naofumi Naga
- Department of Applied Chemistry College of Engineering and Graduate School of Engineering and Science Shibaura Institute of Technology 3-7-5 Toyosu, Koto-ku Tokyo 135-8548 Japan
| | - Tamaki Nakano
- Institute for Catalysis (ICAT) Hokkaido University N21W10, Kita-ku Sapporo 001-0021 Japan
- Graduate School of Chemical Sciences and Engineering Hokkaido University N21W10, Kita-ku Sapporo 001-0021 Japan
- Integrated Research Consortium on Chemical Sciences (IRCCS) Institute for Catalysis Hokkaido University N21W10, Kita-ku Sapporo 001-0021 Japan
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14
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Wu P, Pietropaolo A, Fortino M, Shimoda S, Maeda K, Nishimura T, Bando M, Naga N, Nakano T. Non‐uniform Self‐folding of Helical Poly(fluorenevinylene) Derivatives in the Solid State Leading to Amplified Circular Dichroism and Circularly Polarized Light Emission. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202210556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Pengfei Wu
- Hokkaido University: Hokkaido Daigaku Institute for Catalysis JAPAN
| | - Adriana Pietropaolo
- University of Catanzaro: Universita degli Studi Magna Graecia di Catanzaro Dipartimento di Scienze della Salute ITALY
| | - Mariagrazia Fortino
- University of Catanzaro: Universita degli Studi Magna Graecia di Catanzaro Dipartimento di Scienze della Salute ITALY
| | | | - Katsuhiro Maeda
- Kanazawa University: Kanazawa Daigaku Graduate School of Natural Science and Technology and WPI Nano Life Science Institute JAPAN
| | - Tatsuya Nishimura
- Kanazawa University: Kanazawa Daigaku Graduate School of Natural Science and Technology and WPI Nano Life Science Institute JAPAN
| | - Masayoshi Bando
- Hokkaido University: Hokkaido Daigaku Institute for Catalysis JAPAN
| | - Naofumi Naga
- Shibaura Institute of Technology: Shibaura Kogyo Daigaku Department of Applied Chemistry JAPAN
| | - Tamaki Nakano
- Hokkaido University Institute for Catalysis N21 W10, Kita-ku 001-0021 Sapporo JAPAN
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15
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Yang KC, Reddy A, Tsai HW, Zhao W, Grason GM, Ho RM. Breaking Mirror Symmetry of Double Gyroids via Self-Assembly of Chiral Block Copolymers. ACS Macro Lett 2022; 11:930-934. [PMID: 35802510 DOI: 10.1021/acsmacrolett.2c00148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Significant enhancement of segment-scale chirality, as measured by vibrational circular dichroism (VCD), is observed in the helical phase (H*) of polylactide-based chiral block copolymers (BCPs*) due to the mesoscale chirality of the microphase-separated domains. Here, we report a weaker, yet meaningful, enhancement on the VCD signal of a double gyroid phase (DG) as compared to a double diamond phase (DD) and disordered phase from the same diblock BCPs*. Residual VCD enhancement indicates a weak degree of chiral symmetry breaking, implying the formation of a chiral double gyroid (DG*) instead of the canonical achiral form. Calculations on the basis of orientational self-consistent field theory, comparing coupling between the segmental-scale preference of an intradomain twist and morphological chirality, show that a transition between DG and DG* takes place above the critical chiral strength, driving a weak volume asymmetry between the two enantiomeric single networks of DG*. The formation of nanostructures with controllable mesoscale chiral asymmetry indicates a pathway for the amplification of optical activity driven by self-assembly.
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Affiliation(s)
- Kai-Chieh Yang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Abhiram Reddy
- Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Hsiu-Wen Tsai
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Wei Zhao
- SCNU-TUE Joint Lab of Device Integrated Responsive Materials (DIRM), National Center for International Research on Green Optoelectronics, South China Normal University, Guangzhou 510005, China
| | - Gregory M Grason
- Department of Polymer Science and Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
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16
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Qian S, Heller W, Chen WR, Christianson A, Do C, Wang Y, Lin JYY, Huegle T, Jiang C, Boone C, Hart C, Graves V. CENTAUR-The small- and wide-angle neutron scattering diffractometer/spectrometer for the Second Target Station of the Spallation Neutron Source. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2022; 93:075104. [PMID: 35922314 DOI: 10.1063/5.0090527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
CENTAUR has been selected as one of the eight initial instruments to be built at the Second Target Station (STS) of the Spallation Neutron Source at Oak Ridge National Laboratory. It is a small-angle neutron scattering (SANS) and wide-angle neutron scattering (WANS) instrument with diffraction and spectroscopic capabilities. This instrument will maximally leverage the high brightness of the STS source, the state-of-the-art neutron optics, and a suite of detectors to deliver unprecedented capabilities that enable measurements over a wide range of length scales with excellent resolution, measurements on smaller samples, and time-resolved investigations of evolving structures. Notably, the simultaneous WANS and diffraction capability will be unique among neutron scattering instruments in the United States. This instrument will provide much needed capabilities for soft matter and polymer sciences, geology, biology, quantum condensed matter, and other materials sciences that need in situ and operando experiments for kinetic and/or out-of-equilibrium studies. Beam polarization and a high-resolution chopper will enable detailed structural and dynamical investigations of magnetic and quantum materials. CENTAUR's excellent resolution makes it ideal for low-angle diffraction studies of highly ordered large-scale structures, such as skyrmions, shear-induced ordering in colloids, and biomembranes. Additionally, the spectroscopic mode of this instrument extends to lower momentum transfers than are currently possible with existing spectrometers, thereby providing a unique capability for inelastic SANS studies.
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Affiliation(s)
- Shuo Qian
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - William Heller
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - Wei-Ren Chen
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | | | - Changwoo Do
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - Yangyang Wang
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - Jiao Y Y Lin
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - Thomas Huegle
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - Chenyang Jiang
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - Cristina Boone
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - Cameron Hart
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
| | - Van Graves
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, USA
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17
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Abramova A, Glagolev M, Vasilevskaya V. Structured globules with twisted arrangement of helical blocks: Computer simulation. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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18
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Hu R, Cai C, Lin J, Gao L. Chirality of Superhelices Self-Assembled from Polypeptide Mixtures. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rui Hu
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Chunhua Cai
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jiaping Lin
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Liang Gao
- Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
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19
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Yuan J, Lu X, Zhang S, Zheng F, Deng Q, Han L, Lu Q. Molecular Chirality and Morphological Structural Chirality of Exogenous Chirality-Induced Liquid Crystalline Block Copolymers. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02445] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jianan Yuan
- School of Chemical Science and Technology, Tongji University, Shanghai 200092, China
| | - Xuemin Lu
- Shanghai Key Lab of Electrical & Thermal Aging, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Songyang Zhang
- School of Chemical Science and Technology, Tongji University, Shanghai 200092, China
| | - Feng Zheng
- School of Chemical Science and Technology, Tongji University, Shanghai 200092, China
| | - Quanzheng Deng
- School of Chemical Science and Technology, Tongji University, Shanghai 200092, China
| | - Lu Han
- School of Chemical Science and Technology, Tongji University, Shanghai 200092, China
| | - Qinghua Lu
- School of Chemical Science and Technology, Tongji University, Shanghai 200092, China
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20
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Chiu PT, Sung YC, Yang KC, Tsai JC, Wang HF, Ho RM. Curving and Twisting in Self-Assembly of Triblock Terpolymers Driven by a Chiral End Block. Macromolecules 2022. [DOI: 10.1021/acs.macromol.1c02421] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Po-Ting Chiu
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Yu-Chuan Sung
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi 62142, Taiwan
| | - Kai-Chieh Yang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Jing-Cherng Tsai
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi 62142, Taiwan
| | - Hsiao-Fang Wang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
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21
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Woo Y, Patel M, Kim H, Park JK, Jung YJ, Cha SS, Jeong B. Pralatrexate Sustainably Released from Polypeptide Thermogel Is Effective for Chondrogenic Differentiation of Mesenchymal Stem Cells. ACS APPLIED MATERIALS & INTERFACES 2022; 14:3773-3783. [PMID: 35014790 DOI: 10.1021/acsami.1c20585] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Folic acid was reported to significantly improve chondrogenic differentiation of mesenchymal stem cells. In a similar mechanism of action, we investigated clinically approved antifolates by the U.S. Food and Drug Administration as chondrogenic-promoting compounds for tonsil-derived mesenchymal stem cells. A poly(ethylene glycol)-poly(l-alanine) thermogelling system was used as a three-dimensional cell culture matrix, where stem cells and antifolates could be incorporated simultaneously during a heat-induced in situ sol-to-gel transition. The antifolates could be supplied over several days by the sustained release of the drug from the thermogel. Initially, seven antifolates were prescreened based on cell viability and expression of a typical chondrogenic biomarker of type II collagen (COL II) at the mRNA level. Then, dapsone, pralatrexate, and trimethoprim were selected as candidate compounds in the second round screening, and detailed studies were carried out on the mRNA and protein expression of various chondrogenic biomarkers including COL II, SRY box transcription factor 9, and aggrecan. Three-dimensional cultures of stem cells in the thermogel in the absence of a chondrogenic promoter compound and in the presence of kartogenin (KGN) were performed as a negative control and positive control, respectively. The chondrogenic biomarkers were significantly increased in the selected antifolate-incorporating systems compared to the negative control system, without an increase in type I collagen (an osteogenic biomarker) expression. Pralatrexate was the best compound for inducing chondrogenic differentiation of the stem cells, even better than the positive control (KGN). Nuclear translocation of the core-binding factor β subunit (CBFβ) and enhanced nuclear runt-related transcription factor 1 (RUNX1) by antifolate treatment suggested that the chondrogenesis-enhancing mechanism is mediated by CBFβ and RUNX1. An in silico modeling study confirmed the mechanism by proving the high binding affinity of pralatrexate to a target protein of filamin A compared with other antifolate candidates. To conclude, pralatrexate was rediscovered as a lead compound, and the polypeptide thermogel incorporating pralatrexate and mesenchymal stem cells can be a very effective system in promoting chondrogenic differentiation of stem cells and might be used in injectable tissue engineering for cartilage repair.
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Affiliation(s)
- Yejin Woo
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Madhumita Patel
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Hyelin Kim
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Jin Kyung Park
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Yeon-Ju Jung
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Sun-Shin Cha
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea
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22
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Sang Y, Liu M. Hierarchical self-assembly into chiral nanostructures. Chem Sci 2022; 13:633-656. [PMID: 35173928 PMCID: PMC8769063 DOI: 10.1039/d1sc03561d] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 11/09/2021] [Indexed: 12/11/2022] Open
Abstract
One basic principle regulating self-assembly is associated with the asymmetry of constituent building blocks or packing models. Using asymmetry to manipulate molecular-level devices and hierarchical functional materials is a promising topic in materials sciences and supramolecular chemistry. Here, exemplified by recent major achievements in chiral hierarchical self-assembly, we show how chirality may be utilized in the design, construction and evolution of highly ordered and complex chiral nanostructures. We focus on how unique functions can be developed by the exploitation of chiral nanostructures instead of single basic units. Our perspective on the future prospects of chiral nanostructures via the hierarchical self-assembly strategy is also discussed.
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Affiliation(s)
- Yutao Sang
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China
| | - Minghua Liu
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences Beijing 100190 China
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23
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Kometani S, Kato T, Manabe K, Seko T, Chang Y, Luo H, Agata Y, Ohta N, Hayakawa T, Fujii S, Nakamura Y, Li M, Hirai T. Preferred‐handed
helical conformation in organic–inorganic hybrid block copolymers with
well‐controlled
stereoregularity. JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1002/pol.20210761] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Satoshi Kometani
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering Osaka Institute of Technology Osaka Japan
| | - Tomoki Kato
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering Osaka Institute of Technology Osaka Japan
| | - Kei Manabe
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering Osaka Institute of Technology Osaka Japan
| | - Tamio Seko
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering Osaka Institute of Technology Osaka Japan
| | - Yu‐Ning Chang
- Department of Biological Science and Technology Center for Intelligent Drug Systems and Smart Bio‐devices (IDS2B), National Yang Ming Chiao Tung University Hsinchu Taiwan
| | - Huai‐Rou Luo
- Department of Biological Science and Technology Center for Intelligent Drug Systems and Smart Bio‐devices (IDS2B), National Yang Ming Chiao Tung University Hsinchu Taiwan
| | - Yoshihiro Agata
- Department of Materials Science and Engineering School of Materials and Chemical Technology, Tokyo Institute of Technology Tokyo Japan
| | - Noboru Ohta
- Japan Synchrotron Radiation Research Institute Sayo Hyogo Japan
| | - Teruaki Hayakawa
- Department of Materials Science and Engineering School of Materials and Chemical Technology, Tokyo Institute of Technology Tokyo Japan
| | - Syuji Fujii
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering Osaka Institute of Technology Osaka Japan
| | - Yoshinobu Nakamura
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering Osaka Institute of Technology Osaka Japan
| | - Ming‐Chia Li
- Department of Biological Science and Technology Center for Intelligent Drug Systems and Smart Bio‐devices (IDS2B), National Yang Ming Chiao Tung University Hsinchu Taiwan
| | - Tomoyasu Hirai
- Department of Applied Chemistry, Faculty of Engineering and Graduate School of Engineering Osaka Institute of Technology Osaka Japan
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24
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Facile fabrication of end-functional PLLA with AIEgens via Ugi reaction. POLYMER 2022. [DOI: 10.1016/j.polymer.2021.124432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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25
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Puneet P, Kumar L, Singh S, Horechyy A, Srivastava R, Nandan B. Reversal of Handedness of Ionic liquid based Chiral Block Copolymers via Self-Assembly in Solution and Bulk Phase. Polym Chem 2022. [DOI: 10.1039/d2py00186a] [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
Polymerized ionic liquid (PIL) based ionic chiral block copolymers (BCPs*) were synthesized by functionalization of poly(4-vinyl pyridine) segment in poly(styrene)-block-poly(4-vinyl pyridine) (PS-b-P4VP) block copolymer. Owing to the ease of ion...
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26
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Zhang Z, Ding S, Zhou Y, Ye Z, Wang R, Du B, Xu J. Influence of Salt Doping on the Entropy‐Driven Lower Disorder‐to‐Order Transition Behavior of Poly(ethylene oxide)‐
b
‐Poly(4‐vinylpyridine). MACROMOL CHEM PHYS 2021. [DOI: 10.1002/macp.202100303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ze‐Kun Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Shi‐Peng Ding
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Yi‐Ting Zhou
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Ze Ye
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Rui‐Yang Wang
- Department of Chemistry, Division of Advanced Materials Science Pohang University of Science and Technology Pohang 790‐784 Korea
| | - Bin‐Yang Du
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Jun‐Ting Xu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
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27
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Yang KC, Chiu PT, Tsai HW, Ho RM. Self-Assembly of Semiflexible-Coil Chiral Block Copolymers under Various Segregation Strengths with Multiple Secondary Interactions. Macromolecules 2021. [DOI: 10.1021/acs.macromol.1c01447] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kai-Chieh Yang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Po-Ting Chiu
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Hsiu-Wen Tsai
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
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28
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Yuan J, Liu X, Wang Y, Zeng G, Li G, Dong XH, Wen T. Confined Self-Assemblies of Chiral Block Copolymers in Thin Films. ACS Macro Lett 2021; 10:1300-1305. [PMID: 35549051 DOI: 10.1021/acsmacrolett.1c00458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Self-assembly of chiral block copolymers (BCPs*) can give rise to ordered chiral nanostructures, that is, a helical phase (H* phase), via chirality transfer from the molecular level to mesoscale. In the present work, we reported the self-assembly of BCPs* under one-dimensional spatial confinement. The morphological dependence of self-assembled BCPs* on the molecular weights and the film thickness was investigated. As chiral nanostructures, the H* phase can be formed in bulk, nonchiral nanostructures that were observed in the thin films. Also, the topology effect of self-assembly of BCPs* was examined. The self-assembly of BCPs* with a star-shaped topology exhibited a distinct morphology compared with that of linear BCPs*. The present work provides new insight into the chirality transfer of macromolecules under spatial confinement.
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Affiliation(s)
- Jun Yuan
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China.,Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Xiang Liu
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China.,Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Yingying Wang
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China.,Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Guangjian Zeng
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China.,Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Gang Li
- Department of Ecology and Environment, Yuzhang Normal University, Nanchang 330103, China
| | - Xue-Hui Dong
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China.,Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Tao Wen
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China.,Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices, South China University of Technology, Guangzhou 510640, China
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Glagolev MK, Glagoleva AA, Vasilevskaya VV. Microphase separation in helix-coil block copolymer melts: computer simulation. SOFT MATTER 2021; 17:8331-8342. [PMID: 34550153 DOI: 10.1039/d1sm00759a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
By means of molecular dynamics simulation, the process of the microphase separation in the melts of diblock helix-coil copolymers comprising a flexible and a helical block was studied. The resulting microstructures were examined, and the spatial distribution of the blocks and molecular packing were investigated. The phase diagram was built in terms of the fraction of the helical block and the incompatibility parameter of the blocks. The comparison of the diagrams for helix-coil and the classic coil-coil copolymer blends was carried out. It was shown that the total region where the ordering into distinctive microstructures takes place is similar for both diagrams. But for the helix-coil copolymers the area of the cylinders splits into the region of those with circular and elliptical cross-sections; the bicontinuous phase area is much wider; in the lamellar phases, the helical blocks were oriented precisely perpendicular to the lamellar interface, forming a cohesive interlocked structure of densely packed helices.
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Affiliation(s)
- M K Glagolev
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova ul. 28, Moscow 119991, Russia.
| | - A A Glagoleva
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova ul. 28, Moscow 119991, Russia.
| | - V V Vasilevskaya
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Vavilova ul. 28, Moscow 119991, Russia.
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30
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Park JK, Patel M, Piao Z, Park SJ, Jeong B. Size and Shape Control of Ice Crystals by Amphiphilic Block Copolymers and Their Implication in the Cryoprotection of Mesenchymal Stem Cells. ACS APPLIED MATERIALS & INTERFACES 2021; 13:33969-33980. [PMID: 34275265 DOI: 10.1021/acsami.1c09933] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Precise control over the size and shape of ice crystals is a key factor to consider in designing antifreezing and cryoprotecting molecules for cryopreservation of cells. Here, we report that a poly(ethylene glycol)-poly(l-alanine) (PEG-PA) block copolymer exhibits excellent cryoprotecting properties for stem cells and antifreezing properties for water. As the molecular weight of PA increased from 500, 760, and 1750 Da (P1, P2, and P3) at the same PEG molecular weight of 5000 Da, the β-sheet content decreased and α-helix content increased. Comparing P2 (PEG-PA; 5000-760) and P4 (PEG-PA: 1000-750), β-sheets increased as the PEG block length decreased. The critical micelle concentration of the PEG-PA block copolymers was in a range of 0.5-3.0 mg/mL and was proportional to the hydrophobicity of the PEG-PA block copolymers. The P1, P2, and P3 self-assembled into spherical micelles, whereas P4 formed micelles with cylindrical morphology. The difference in the block copolymer structure affected ice recrystallization inhibition (IRI) activity and cryopreservation of cells. IRI activity was assayed via mean largest grain size (MLGS), and interactions between polymers and ice crystal surfaces were studied by dynamic ice-shaping studies. The MLGS decreased to 58 → 53 → 45 → 35 → 23% of that of PBS, as the polymer (PEG-PA 5000-500) concentration increased from 0.0 (PBS; control) → 1.0 → 5.0 → 10 → 30 → 50 mg/mL. The MLGS of PEG 5k solutions (negative control) decreased to 74 → 71 → 64 → 44 → 37% of that of PBS in the same concentration range. P3 and P4 with a longer hydrophobic PA block developed elongated ice crystals at above 30 mg/mL. The dynamic ice-shaping study exhibited that ice crystals became needle-shaped, as the hydrophobicity of the polymer increased as in P2-P4. The cell recovery in the P1 system after cryopreservation at -196 °C for 7 days was 87% of that of the dimethyl sulfoxide (DMSO) 10% system (positive control). The cell recovery was 48% for the P2 system and drastically decreased to less than 30% of that of the DMSO 10% system in the P3, P4, PEG 5k, PEG 1k, PVA 80H, and PVA 100H systems. Current studies suggest that IRI activity, round ice crystal shaping, and membrane stabilization activity of P1 cooperatively provide excellent cell recovery among the candidate systems. Recovered stem cells exhibited excellent proliferation and multilineage differentiation into osteocytes, chondrocytes, and adipocytes. To conclude, the PEG-PA (5000-500) block copolymer is suggested to be a promising antifreezing cryoprotectant for stem cells.
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Affiliation(s)
- Jin Kyung Park
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, Korea
| | - Madhumita Patel
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, Korea
| | - Zhengyu Piao
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, Korea
| | - So-Jung Park
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, Korea
| | - Byeongmoon Jeong
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, Korea
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31
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Lee C, Osuji CO. 100th Anniversary of Macromolecular Science Viewpoint: Opportunities for Liquid Crystal Polymers in Nanopatterning and Beyond. ACS Macro Lett 2021; 10:945-957. [PMID: 35549196 DOI: 10.1021/acsmacrolett.1c00350] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Liquid-crystal polymers (LCPs) integrate at a molecular level the characteristics of two important material classes, i.e., liquid crystals (LCs) and polymers. As a result, they exhibit a wide variety of intriguing physical phenomena and have useful properties in various settings. In the nearly 50 years since the discovery of the first melt-processable LCPs, there has been a remarkable expansion in the field encompassing the development of new chain architectures, the incorporation of new classes of mesogens, and the exploration of new properties and applications. As engineering materials, LCPs are historically best known in the context of high strength fibers. In a more contemporary study, the pairing of LC mesophase assembly with block copolymer (BCP) self-assembly in LC BCPs has resulted in a fascinating interplay of ordering phenomena and rich phase behavior, while lightly cross-linked networks, LC elastomers, are extensively investigated as shape memory materials based on their thermomechanical actuation. As this Viewpoint describes, these and other examples are active areas of research in which new, compelling opportunities for LCPs are emerging. We highlight a few selected areas that we view as being potentially significant in the near future, with a particular emphasis on nanopatterning. Here, the ability to readily access small feature sizes, the fluidity of the LC mesophase, and LC-based handles for achieving orientation control present a compelling combination. Opportunities for LCPs are also presented under the broad rubric of "beyond nanopatterning", and we discuss relevant challenges and potential new directions in the field.
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Affiliation(s)
- Changyeon Lee
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Chinedum O. Osuji
- Department of Chemical and Biomolecular Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
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32
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Huang S, Yu H, Li Q. Supramolecular Chirality Transfer toward Chiral Aggregation: Asymmetric Hierarchical Self-Assembly. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2002132. [PMID: 33898167 PMCID: PMC8061372 DOI: 10.1002/advs.202002132] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 12/21/2020] [Indexed: 05/21/2023]
Abstract
Self-assembly, as a typical bottom-up strategy for the fabrication of functional materials, has been applied to fabricate chiral materials with subtle chiral nanostructures. The chiral nanostructures exhibit great potential in asymmetric catalysis, chiral sensing, chiral electronics, photonics, and even the realization of several biological functions. According to existing studies, the supramolecular chirality transfer process combined with hierarchical self-assembly plays a vital role in the fabrication of multiscale chiral structures. This progress report focuses on the hierarchical self-assembly of chiral or achiral molecules that aggregate with asymmetric spatial structures such as twisted bands, helices, and superhelices in different environments. Herein, recent studies on the chirality transfer induced self-assembly based on a variety of supramolecular interactions are summarized. In addition, the influence of different environments and the states of systems including solutions, condensed states, gel systems, interfaces on the asymmetric hierarchical self-assembly, and the expression of chirality are explored. Moreover, both the driving forces that facilitate chiral bias and the supramolecular interactions that play an important role in the expression, transfer, and amplification of the chiral sense are correspondingly discussed.
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Affiliation(s)
- Shuai Huang
- School of Materials Science and EngineeringKey Laboratory of Polymer Chemistry and Physics of Ministry of EducationPeking UniversityBeijing100871China
- Institute of Advanced MaterialsSchool of Chemistry and Chemical EngineeringSoutheast UniversityNanjingJiangsu Province211189China
| | - Haifeng Yu
- School of Materials Science and EngineeringKey Laboratory of Polymer Chemistry and Physics of Ministry of EducationPeking UniversityBeijing100871China
| | - Quan Li
- Advanced Materials and Liquid Crystal Institute and Chemical Physics Interdisciplinary ProgramKent State UniversityKentOH44242USA
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33
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Chen Q, Li Y, Liu M, Wu X, Shen J, Shen L. Constructing helical nanowires via polymerization-induced self-assembly. RSC Adv 2021; 11:8986-8992. [PMID: 35423399 PMCID: PMC8695331 DOI: 10.1039/d1ra00439e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 02/23/2021] [Indexed: 11/21/2022] Open
Abstract
While reliable strategies for constructing block copolymer (BCP) nanowires have been developed, helical nanowires are rarely reported in polymerization-induced self-assembly (PISA). Herein, in this work, a new strategy for constructing helical nanowires was developed via PISA mediated by a fluorinated stabilizer block. Ultralong nanowires with helical structure can be readily produced in a wide range of block compositions. In addition, the generality of this strategy was well testified by expanding monomer types. The achiral BCP nano-objects underwent a morphology transition from spheres to helical nanowires during aging. We believe this work will provide a general strategy for producing helical nanowires through PISA of achiral BCPs.
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Affiliation(s)
- Qiumeng Chen
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University Wenzhou 325027 PR China
| | - Yahui Li
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University Wenzhou 325027 PR China
| | - Ming Liu
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University Wenzhou 325027 PR China
| | - Xuan Wu
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences Xinsan Road, Longwan District Wenzhou 325001 PR China
| | - Jianliang Shen
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University Wenzhou 325027 PR China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy of Sciences Xinsan Road, Longwan District Wenzhou 325001 PR China
| | - Liangliang Shen
- State Key Laboratory of Ophthalmology, Optometry and Vision Science, School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University Wenzhou 325027 PR China
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34
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Khorloo M, Yu X, Cheng Y, Zhang H, Yu S, Lam JWY, Zhu M, Tang BZ. Enantiomeric Switching of the Circularly Polarized Luminescence Processes in a Hierarchical Biomimetic System by Film Tilting. ACS NANO 2021; 15:1397-1406. [PMID: 33275400 DOI: 10.1021/acsnano.0c08665] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Circularly polarized luminescence (CPL) switching has attracted great attention due to the potential applications in chiral photonics and electronics. However, the lack of examples to achieve switchable CPL within a single material in the dry solid state hampers the scope of applications. Herein, we demonstrate a crystalline chiral polymer film as a polarizing medium consisting of radially assembled twisted crystallites, where achiral aggregation-induced emissive luminogens (AIEgens) are confined between the twisted crystalline stacks, eventually yielding handedness-switchable CPL by simple film tilting. Hierarchically organized twisted crystallites create the selective reflection activity of the polarizing medium. Upon film tilting, enantiomeric switching is realized by selectively collecting transmitted and reflected CPL components. The confined AIEgens in the crystalline polarizing system show a great enhancement of the luminescence efficiency. Moreover, the approach is general with broadband activity, and various AIEgens could be applied to generate full-color-tunable CPL. Additionally, the rigid and continuous nature of this polarizing system affords enhanced optical stability and facile modulation, developing a general route for designing chiroptical materials.
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Affiliation(s)
- Michidmaa Khorloo
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study and Development of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Xiaoxiao Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yanhua Cheng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Haoke Zhang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study and Development of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Senlong Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Jacky W Y Lam
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study and Development of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Ben Zhong Tang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study and Development of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
- AIE Institute, Guangzhou Development District, Huangpu, Gunagzhou 510530, China
- Center for Aggregation-Induced Emission, SCUT-HKUST Joint Research Institute, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
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35
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Abstract
This review surveys recent progress towards robust chiral nanostructure fabrication techniques using synthetic helical polymers, the unique inferred properties that these materials possess, and their intricate connection to natural, biological chirality.
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Affiliation(s)
| | - James F. Reuther
- Department of Chemistry
- University of Massachusetts Lowell
- Lowell
- USA
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36
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Wu A, Guo Y, Li X, Xue H, Fei J, Li J. Co‐assembled Supramolecular Gel of Dipeptide and Pyridine Derivatives with Controlled Chirality. Angew Chem Int Ed Engl 2020; 60:2099-2103. [DOI: 10.1002/anie.202012470] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Aoli Wu
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Yongxian Guo
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xianbao Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Huimin Xue
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Jinbo Fei
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Junbai Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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37
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Wu A, Guo Y, Li X, Xue H, Fei J, Li J. Co‐assembled Supramolecular Gel of Dipeptide and Pyridine Derivatives with Controlled Chirality. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012470] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Aoli Wu
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Yongxian Guo
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xianbao Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Huimin Xue
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Jinbo Fei
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Junbai Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Lab of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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38
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Wang HF, Chiu PT, Yang CY, Xie ZH, Hung YC, Lee JY, Tsai JC, Prasad I, Jinnai H, Thomas EL, Ho RM. Networks with controlled chirality via self-assembly of chiral triblock terpolymers. SCIENCE ADVANCES 2020; 6:6/42/eabc3644. [PMID: 33055164 PMCID: PMC7556840 DOI: 10.1126/sciadv.abc3644] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 08/28/2020] [Indexed: 06/02/2023]
Abstract
Nanonetwork-structured materials can be found in nature and synthetic materials. A double gyroid (DG) with a pair of chiral networks but opposite chirality can be formed from the self-assembly of diblock copolymers. For triblock terpolymers, an alternating gyroid (GA) with two chiral networks from distinct end blocks can be formed; however, the network chirality could be positive or negative arbitrarily, giving an achiral phase. Here, by taking advantage of chirality transfer at different length scales, GA with controlled chirality can be achieved through the self-assembly of a chiral triblock terpolymer. With the homochiral evolution from monomer to multichain domain morphology through self-assembly, the triblock terpolymer composed of a chiral end block with a single-handed helical polymer chain gives the chiral network from the chiral end block having a particular handed network. Our real-space analyses reveal the preferred chiral sense of the network in the GA, leading to a chiral phase.
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Affiliation(s)
- Hsiao-Fang Wang
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan 30013, R.O.C
| | - Po-Ting Chiu
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan 30013, R.O.C
| | - Chih-Ying Yang
- Institute of Photonics Technologies, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan 30013, R.O.C
| | - Zhi-Hong Xie
- Institute of Photonics Technologies, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan 30013, R.O.C
| | - Yu-Chueh Hung
- Institute of Photonics Technologies, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan 30013, R.O.C
| | - Jing-Yu Lee
- Department of Chemical Engineering, National Chung Cheng University, No.168, Sec. 1, University Rd., Minhsiung, Chia-Yi, Taiwan 62142, R.O.C
| | - Jing-Cherng Tsai
- Department of Chemical Engineering, National Chung Cheng University, No.168, Sec. 1, University Rd., Minhsiung, Chia-Yi, Taiwan 62142, R.O.C
| | - Ishan Prasad
- Department of Polymer Science and Engineering, University of Massachusetts, 120 Governors Drive, Amherst, MA 01003, USA
| | - Hiroshi Jinnai
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-8577, Japan
| | - Edwin L Thomas
- Department of Materials Science and NanoEngineering, Rice University, 6100 Main St., Houston, TX 77005, USA
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University, No. 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan 30013, R.O.C.
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39
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Yang KC, Ho RM. Spiral Hierarchical Superstructures from Twisted Ribbons of Self-Assembled Chiral Block Copolymers. ACS Macro Lett 2020; 9:1130-1134. [PMID: 35653203 DOI: 10.1021/acsmacrolett.0c00415] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Spiral hierarchical superstructures were found in the self-assembly of chiral block copolymers (BCPs*) composed of a chiral poly(l-lactide) (PLLA) and an achiral polystyrene (PS) as major and minor blocks, respectively. The PLLA helical chain with semiflexible rod-like character as compared to the random coil of PS results in self-assembly with a conformational asymmetry effect overwhelming the compositional one. Consequently, instead of the forming PS cylinder microdomains in the PLLA matrix, a smectic liquid-crystal-like bilayer sandwiched with PLLA and PS microdomains will be formed. Owing to twisting and bending due to the chiral cholesteric liquid-crystal-like force field combined with steric hindrance at the chiral interface, the forming bilayers (twisted ribbon) will develop into either a concentric lamellar texture from scrolling or roll-cake textures from spiraling. This study might bring a concept for the formation of spiral hierarchical superstructures from self-assembled bilayers for device application.
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Affiliation(s)
- Kai-Chieh Yang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
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40
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Li Q, Yuan J, Liang H, Zheng F, Lu X, Yu C, Lu Q. Spiranthes sinensis-Inspired Circular Polarized Luminescence in a Solid Block Copolymer Film with a Controllable Helix. ACS NANO 2020; 14:8939-8948. [PMID: 32551549 DOI: 10.1021/acsnano.0c03734] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Chiral materials with circular polarized luminescence (CPL) have attracted much interest because of their extensive optical information and remarkable sensitivity. Inspired by the helical template in Spiranthes sinensis, we propose here a general and flexible method for fabricating solid CPL materials using a block copolymer-formed helix as a template. A chiral arrangement of various nonchiral fluorescent molecules was obtained in the block copolymer-based hybrid film. An excimer chiralty rule was found for the CPL emission of nonchiral fluorescent molecules: a right-handed helix induced left-handed CPL emission and a left-handed helix induced right-handed CPL emission. A dissipative particle dynamics simulation showed that such an antihelical effect is related to the length between the adjacent interacting points of nonchiral fluorescent molecules along the helical structure. Furthermore, the fluorescent films had a high dissymmetric factor for CPL emission, and thus, the films provide a general and flexible platform for designing and preparing advanced functional chiroptical materials.
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Affiliation(s)
- Qingxiang Li
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical & Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Jianan Yuan
- School of Chemical Science and Engineering, Tongji University, Shanghai, 201920, People's Republic of China
| | - Hongyu Liang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical & Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Feng Zheng
- School of Chemical Science and Engineering, Tongji University, Shanghai, 201920, People's Republic of China
| | - Xuemin Lu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical & Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Chunyang Yu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical & Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
| | - Qinghua Lu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical & Thermal Aging, Shanghai Jiao Tong University, Shanghai, 200240, People's Republic of China
- School of Chemical Science and Engineering, Tongji University, Shanghai, 201920, People's Republic of China
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41
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Zhao J, Xing P. Helical Nanostructures with Circularly Polarized Luminescence from the Multicomponent Assembly of π-Conjugated N-terminal Amino Acids. Chempluschem 2020; 85:1511-1522. [PMID: 32644303 DOI: 10.1002/cplu.202000397] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/22/2020] [Indexed: 11/06/2022]
Abstract
Self-assembled structures with circularly polarized luminescence (CPL) have attracted great attention in recent years. π-conjugated N-terminal amino acids with chiral amino acid residues and luminophores are capable of forming self-assembled structures at hierarchical levels, whereby chirality can be transferred to the macroscopic scale with easily modulated CPL properties. Due to the presence of multiple noncovalent binding sites, including hydrogen bonding and aromatic interactions, π-conjugated N-terminal amino acids are emerging core candidates for incorporation into multicomponent self-assembled architectures, accomplishing rational control over supramolecular chirality as well as showing rich chiroptical properties. In this Minireview, we provide a brief summary of multiple-component coassembled systems comprising π-conjugated N-terminal amino acids, small organic species and metal ions. The synthesis of helical structures and manipulation of supramolecular chirality by controlling the self-assembled species is introduced, and the CPL properties of multiple-component π-conjugated N-terminal amino acids are also briefly summarized.
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Affiliation(s)
- Jianjian Zhao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
| | - Pengyao Xing
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
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42
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Li H, Mao X, Wang H, Geng Z, Xiong B, Zhang L, Liu S, Xu J, Zhu J. Kinetically Dependent Self-Assembly of Chiral Block Copolymers under 3D Confinement. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c00406] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Hao Li
- State Key Lab of Materials Processing and Die & Mould Technology and Key Lab of Materials Chemistry for Energy Conversion & Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Xi Mao
- State Key Lab of Materials Processing and Die & Mould Technology and Key Lab of Materials Chemistry for Energy Conversion & Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Huayang Wang
- State Key Lab of Materials Processing and Die & Mould Technology and Key Lab of Materials Chemistry for Energy Conversion & Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Zhen Geng
- State Key Lab of Materials Processing and Die & Mould Technology and Key Lab of Materials Chemistry for Energy Conversion & Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Bijin Xiong
- State Key Lab of Materials Processing and Die & Mould Technology and Key Lab of Materials Chemistry for Energy Conversion & Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Lianbin Zhang
- State Key Lab of Materials Processing and Die & Mould Technology and Key Lab of Materials Chemistry for Energy Conversion & Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Simin Liu
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Jiangping Xu
- State Key Lab of Materials Processing and Die & Mould Technology and Key Lab of Materials Chemistry for Energy Conversion & Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Jintao Zhu
- State Key Lab of Materials Processing and Die & Mould Technology and Key Lab of Materials Chemistry for Energy Conversion & Storage (HUST) of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
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43
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Langmuir-Blodgett films of two chiral perylene bisimide-based molecules: Aggregation and supramolecular chirality. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124563] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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44
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Su Z, Zhang R, Yan XY, Guo QY, Huang J, Shan W, Liu Y, Liu T, Huang M, Cheng SZ. The role of architectural engineering in macromolecular self-assemblies via non-covalent interactions: A molecular LEGO approach. Prog Polym Sci 2020. [DOI: 10.1016/j.progpolymsci.2020.101230] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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45
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Zhang S, Shi W, Rong S, Li S, Zhuang J, Wang X. Chirality Evolution from Sub-1 Nanometer Nanowires to the Macroscopic Helical Structure. J Am Chem Soc 2020; 142:1375-1381. [DOI: 10.1021/jacs.9b10900] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Simin Zhang
- Lab of Organic Optoelectronics and Molecular Engineering Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Wenxiong Shi
- School of Materials Science and Engineering, State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin 300387, China
| | - Shujian Rong
- Lab of Organic Optoelectronics and Molecular Engineering Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Shuzhou Li
- School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798
| | - Jing Zhuang
- Lab of Organic Optoelectronics and Molecular Engineering Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xun Wang
- Lab of Organic Optoelectronics and Molecular Engineering Department of Chemistry, Tsinghua University, Beijing 100084, China
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46
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Yang KC, Chiu PT, Ho RM. Mesochiral phases from the self-assembly of chiral block copolymers. Polym Chem 2020. [DOI: 10.1039/c9py01797f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Self-assembly of block copolymers with chiral sense gives mesochiral phases possessing helical sense. With the controlled chirality of the helical cylinder and chiral network, it is appealing to fabricate chiral materials for applications.
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Affiliation(s)
- Kai-Chieh Yang
- Department of Chemical Engineering
- National Tsing Hua University
- Hsinchu 30013
- Republic of China
| | - Po-Ting Chiu
- Department of Chemical Engineering
- National Tsing Hua University
- Hsinchu 30013
- Republic of China
| | - Rong-Ming Ho
- Department of Chemical Engineering
- National Tsing Hua University
- Hsinchu 30013
- Republic of China
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47
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Geng Z, Xiong B, Wang L, Wang K, Ren M, Zhang L, Zhu J, Yang Z. Moebius strips of chiral block copolymers. Nat Commun 2019; 10:4090. [PMID: 31501424 PMCID: PMC6733789 DOI: 10.1038/s41467-019-11991-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Accepted: 07/30/2019] [Indexed: 12/21/2022] Open
Abstract
The Moebius topology (twisted, single-sided strip) is intriguing because of its structural elegance and distinct properties. Here we report the generation of block copolymer Moebius strips via a fast self-assembly of chiral block copolymer polystyrene-block-poly(D-lactide acid) (PS-b-PDLA) in tetrahydrofuran/water mixed solvents. The Moebius strip is formed by morphological evolution from large compound micelle (LCM) to spindle-like micelle (SLM) and then to toroid with a 180° twist along the ring. Mechanism insight reveals that a subtle balance of crystallization of PDLA and microphase separation between PS and PDLA chains dominates the formation of Moebius strips. An intriguing helix-helix transition occurs during the chiral transfer from microphase to assemblies, which is driven by relaxation of the internal stress within SLM related to orientated stretching of PS chains. Mesoporous chiral channels can be generated within Moebius strips after removal of PDLA, which are interesting in chiral recognition, separation and asymmetric catalysis.
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Affiliation(s)
- Zhen Geng
- Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Bijin Xiong
- Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Liquan Wang
- Shanghai Key Lab of Advanced Polymeric Materials, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Ke Wang
- Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Min Ren
- Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Lianbin Zhang
- Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Jintao Zhu
- Key Lab of Material Chemistry for Energy Conversion and Storage of Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Zhenzhong Yang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China.
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48
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Yu B, Danielsen SPO, Patterson AL, Davidson EC, Segalman RA. Effects of Helical Chain Shape on Lamellae-Forming Block Copolymer Self-Assembly. Macromolecules 2019. [DOI: 10.1021/acs.macromol.9b00211] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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49
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Wang HF, Yang KC, Hsu WC, Lee JY, Hsu JT, Grason GM, Thomas EL, Tsai JC, Ho RM. Generalizing the effects of chirality on block copolymer assembly. Proc Natl Acad Sci U S A 2019; 116:4080-4089. [PMID: 30765528 PMCID: PMC6410856 DOI: 10.1073/pnas.1812356116] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We explore the generality of the influence of segment chirality on the self-assembled structure of achiral-chiral diblock copolymers. Poly(cyclohexylglycolide) (PCG)-based chiral block copolymers (BCPs*), poly(benzyl methacrylate)-b-poly(d-cyclohexylglycolide) (PBnMA-PDCG) and PBnMA-b-poly(l-cyclohexyl glycolide) (PBnMA-PLCG), were synthesized for purposes of systematic comparison with polylactide (PLA)-based BCPs*, previously shown to exhibit chirality transfer from monomeric unit to the multichain domain morphology. Opposite-handed PCG helical chains in the enantiomeric BCPs* were identified by the vibrational circular dichroism (VCD) studies revealing transfer from chiral monomers to chiral intrachain conformation. We report further VCD evidence of chiral interchain interactions, consistent with some amounts of handed skew configurations of PCG segments in a melt state packing. Finally, we show by electron tomography [3D transmission electron microscope tomography (3D TEM)] that chirality at the monomeric and intrachain level ultimately manifests in the symmetry of microphase-separated, multichain morphologies: a helical phase (H*) of hexagonally, ordered, helically shaped tubular domains whose handedness agrees with the respective monomeric chirality. Critically, unlike previous PLA-based BCP*s, the lack of a competing crystalline state of the chiral PCGs allowed determination that H* is an equilibrium phase of chiral PBnMA-PCG. We compared different measures of chirality at the monomer scale for PLA and PCG, and argued, on the basis of comparison with mean-field theory results for chiral diblock copolymer melts, that the enhanced thermodynamic stability of the mesochiral H* morphology may be attributed to the relatively stronger chiral intersegment forces, ultimately tracing from the effects of a bulkier chiral side group on its main chain.
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Affiliation(s)
- Hsiao-Fang Wang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Kai-Chieh Yang
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Wen-Chun Hsu
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Jing-Yu Lee
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi 62142, Taiwan
| | - Jung-Tzu Hsu
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi 62142, Taiwan
| | - Gregory M Grason
- Department of Polymer Science and Engineering, University of Massachusetts, Amherst, MA 01003
| | - Edwin L Thomas
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX 77005
| | - Jing-Cherng Tsai
- Department of Chemical Engineering, National Chung Cheng University, Chia-Yi 62142, Taiwan;
| | - Rong-Ming Ho
- Department of Chemical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan;
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50
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Ge H, Zhang F, Huang H, He T. Interplay between Stereocomplexation and Microphase Separation in PS-b-PLLA-b-PDLA Triblock Copolymers. Macromolecules 2019. [DOI: 10.1021/acs.macromol.8b02627] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Huan Ge
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
- University
of
Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Fajun Zhang
- Institut für Angewandte Physik, Universität Tübingen, Auf der Morgenstelle 10, 72076 Tübingen, Germany
| | - Haiying Huang
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
- University
of
Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Tianbai He
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
- University
of
Chinese Academy of Sciences, Beijing 100049, P. R. China
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