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Kim J, Jeong J. Confinement twists achiral liquid crystals and causes chiral liquid crystals to twist in the opposite handedness: cases in and around sessile droplets. SOFT MATTER 2024; 20:1361-1368. [PMID: 38252544 DOI: 10.1039/d3sm01283b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
We study the chiral symmetry breaking and metastability of confined nematic lyotropic chromonic liquid crystals (LCLCs) with and without chiral dopants. The isotropic-nematic coexistence phase of the LCLC renders two confining geometries: sessile isotropic (I) droplets surrounded by the nematic (N) phase and sessile nematic droplets immersed in the isotropic background. In the achiral system with no dopants, LCLC's elastic anisotropy and topological defects induce a spontaneous twist deformation to lower the energetic penalty of splay deformation, resulting in spiral optical textures under crossed polarizers both in the I-in-N and N-in-I systems. While the achiral system exhibits both handednesses with an equal probability, a small amount of the chiral dopant breaks the balance. Notably, in contrast to the homochiral configuration of a chirally doped LCLC in the bulk, the spiral texture of the disfavored handedness appears with a finite probability both in the I-in-N and N-in-I systems. We propose director field models explaining how chiral symmetry breaking arises by the energetics and the opposite-twist configurations exist as meta-stable structures in the energy landscape. These findings help us create and control chiral structures using confined LCs with large elastic anisotropy.
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Affiliation(s)
- Jungmyung Kim
- Department of Physics, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea.
| | - Joonwoo Jeong
- Department of Physics, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea.
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2
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Guo Y, Li L, Huang S, Sun H, Shao Y, Li Z, Song F. Exploring Linker-Group-Guided Self-Assembly of Ultrathin 2D Supramolecular Nanosheets in Water for Synergistic Cancer Phototherapy. ACS APPLIED MATERIALS & INTERFACES 2023; 15:54851-54862. [PMID: 37968254 DOI: 10.1021/acsami.3c13640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
Water is ubiquitous in natural systems where it builds an essential environment supporting biological supramolecular polymers to function, transport, and exchange. However, this extreme polar environment becomes a hindrance for the superhydrophobic functional π-conjugated molecules, causing significant negative impacts on regulating their aggregation pathways, structures, and properties of the subsequently assembled nanomaterials. It especially makes the self-assembly of ultrathin two-dimensional (2D) functional nanomaterials by π-conjugated molecules a grand challenge in water, although ultrathin 2D functional nanomaterials have exhibited unique and superior properties. Herein, we demonstrate the organic solvent-free self-assembly of one-molecule-thick 2D nanosheets based on exploring how side chain modifications rule the aggregation behaviors of π-conjugated macrocycles in water. Through an in-depth understanding of the roles of linking groups for side chains on affecting the aggregation behaviors of porphyrins in water, the regulation of molecular arrangement in the aggregated state (H- or J-type aggregation) was attained. Moreover, by arranging ionic porphyrins into 2D single layers through J-aggregation, the ultrathin nanosheets (thickness ≈ 2 nm) with excellent solubility and stability were self-assembled in pure water, which demonstrated both outstanding 1O2 generation and photothermal capability. The ultrathin nanosheets were further investigated as metal- and carrier-free nanodrugs for synergetic phototherapies of cancers both in vitro and in vivo, which are highly desirable by combining the advantages and avoiding the disadvantages of the single use of PDT or PTT.
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Affiliation(s)
- Yanhui Guo
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, P. R. China
| | - Lukun Li
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, P. R. China
| | - Shuheng Huang
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Hainan University, Haikou 570228, P. R. China
| | - Han Sun
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, P. R. China
| | - Yutong Shao
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, P. R. China
| | - Zhiliang Li
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, P. R. China
| | - Fengling Song
- Institute of Molecular Science and Engineering, Institute of Frontier and Interdisciplinary Science, Shandong University, Qingdao, Shandong 266237, P. R. China
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Grabowski F, Petrovskii VS, Fink F, Demco DE, Herres‐Pawlis S, Potemkin II, Pich A. Anisotropic Microgels by Supramolecular Assembly and Precipitation Polymerization of Pyrazole-Modified Monomers. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2204853. [PMID: 36310110 PMCID: PMC9798967 DOI: 10.1002/advs.202204853] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/01/2022] [Indexed: 06/16/2023]
Abstract
Soft colloidal macromolecular structures with programmable chemical functionalities, size, and shape are important building blocks for the fabrication of catalyst systems and adaptive biomaterials for tissue engineering. However, the development of the easy upscalable and template-free synthesis methods to obtain such colloids lack in understanding of molecular interactions that occur in the formation mechanisms of polymer colloids. Herein, a computer simulation-driven experimental synthesis approach based on the supramolecular self-assembly followed by polymerization of tailored pyrazole-modified monomers is developed. Simulations for a series of pyrazole-modified monomers with different numbers of pyrazole groups, different length and polarity of spacers between pyrazole groups and the polymerizable group are first performed. Based on simulations, monomers able to undergo π-π stacking and guide the formation of supramolecular bonds between polymer segments are synthesized and these are used in precipitation polymerization to synthesize anisotropic microgels. This study demonstrates that microgel morphologies can be tuned from spherical, raspberry-like to dumbbell-like by the increase of the pyrazole-modified monomer loading, which is concentrated at periphery of growing microgels. Combining experimental and simulation results, this work provides a quantitative and predictive approach for guiding microgel design that can be further extended to a diversity of colloidal systems and soft materials with superior properties.
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Affiliation(s)
- Frédéric Grabowski
- Institute of Technical and Macromolecular ChemistryRWTH Aachen University52074AachenGermany
- DWI – Leibniz Institute for Interactive Materials52074AachenGermany
| | | | - Fabian Fink
- Institute for Inorganic ChemistryRWTH Aachen University52074AachenGermany
| | - Dan Eugen Demco
- DWI – Leibniz Institute for Interactive Materials52074AachenGermany
| | | | - Igor I. Potemkin
- DWI – Leibniz Institute for Interactive Materials52074AachenGermany
| | - Andrij Pich
- Institute of Technical and Macromolecular ChemistryRWTH Aachen University52074AachenGermany
- DWI – Leibniz Institute for Interactive Materials52074AachenGermany
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4
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Gan Y, Pan X, Li J, Liu M, Liu B, Gao M, Ma N, Wei H. CaCO 3 Crystals with Unique Morphologies Controlled by the Hydrogen-Bonded Supramolecular Assemblies of Ureido-Pyrimidinone-Amino Acid Derivatives. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:13253-13260. [PMID: 36256960 DOI: 10.1021/acs.langmuir.2c02307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Biomineral materials such as nacre of shells exhibit high mechanical strength and toughness on account of their unique "brick-mortar" multilayer structure. 2-Ureido-4[1H]-pyrimidinone (UPy) derivatives with different types of end groups, due to the self-complementary quadruple hydrogen bonds and abundant Ca2+ binding sites, can easily self-assemble into supramolecular aggregates and act as templates and skeleton in the process of inducing mineral crystallization. In this work, UPy derivatives were used as templates to induce the mineralization and growth of CaCO3 through a CO2 diffusion method. The morphology of CaCO3 crystals was modulated and analyzed by adjusting the synthesizing parameters including Ca2+ concentration, pH, and end groups. The results showed that, by the regulatory role of the mineralization template, it was easier to realize the multilayer crystal structure at a lower concentration of Ca2+ (less than 0.01 mol L-1). Under alkaline regulation, the quadruple hydrogen bonds would be destroyed, and the template's regulation effect on the morphology of CaCO3 crystals would be weakened. Moreover, by comparing different types of end groups, it was proven that the UPy derivatives with carboxylic acid groups (-COOH) played a crucial role in the process of CaCO3 crystallization with unique morphologies.
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Affiliation(s)
- Yuanjing Gan
- College of Light Industry Science and Engineering, Tianjin University of Science and Technology, Tianjin 300222, China
| | - Xiaosen Pan
- College of Light Industry Science and Engineering, Tianjin University of Science and Technology, Tianjin 300222, China
| | - Jie Li
- College of Light Industry Science and Engineering, Tianjin University of Science and Technology, Tianjin 300222, China
| | - Miaomiao Liu
- College of Light Industry Science and Engineering, Tianjin University of Science and Technology, Tianjin 300222, China
| | - Boyue Liu
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - Meng Gao
- College of Light Industry Science and Engineering, Tianjin University of Science and Technology, Tianjin 300222, China
| | - Ning Ma
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266400, China
| | - Hao Wei
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266400, China
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Chen S, Wu Y, Lortie F, Bernard J, Binder WH, Zhu J. Hydrogen-Bonds Mediated Nanomedicine: Design, Synthesis and Applications. Macromol Rapid Commun 2022; 43:e2200168. [PMID: 35609317 DOI: 10.1002/marc.202200168] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/30/2022] [Indexed: 11/08/2022]
Abstract
Among the various challenges in medicine, diagnosis, complete cure and healing of cancers remain difficult given the heterogeneity and complexity of such disease. Differing from conventional platforms with often unsatisfactory theranostic capabilities, the contribution of supramolecular interactions, such as hydrogen-bonds (H-bonds), to cancer nanotheranostics opens new perspectives for the design of biomedical materials, exhibiting remarkable properties and easier processability. Thanks to their dynamic characteristics, a feature generally observed for non-covalent interactions, H-bonding (macro)molecules can be used as supramolecular motifs for yielding drug- and diagnostic carriers that possess attractive features, arising from the combination of assembled nanoplatforms and the responsiveness of H-bonds. Thus H-bonded nanomedicine provides a rich toolbox that is useful to fulfill biomedical needs with unique advantages in early-stage diagnosis and therapy, demonstrating the promising potential in clinical translations and applications. We here summarize the design and synthetic routes towards H-bonded nanomedicines, focus on the growing understanding of the structure-function relationship for efficient cancer treatment. We propose a guidance for designing new H-bonded intelligent theranostic agents, to inspire more successful explorations of cancer nanotheranostics and finally to promote potential clinical translations. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Senbin Chen
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Yanggui Wu
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
| | - Frédéric Lortie
- Univ Lyon, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Université Claude Bernard Lyon1, INSA Lyon, Université Jean Monnet, Villeurbanne Cedex, F-69621, France
| | - Julien Bernard
- Univ Lyon, CNRS, UMR 5223, Ingénierie des Matériaux Polymères, Université Claude Bernard Lyon1, INSA Lyon, Université Jean Monnet, Villeurbanne Cedex, F-69621, France
| | - Wolfgang H Binder
- Chair of Macromolecular Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, Halle (Saale), D-06120, Germany
| | - Jintao Zhu
- Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China
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Zhang XJ, Morishita D, Aoki T, Itoh Y, Yano K, Araoka F, Aida T. Anomalous Chiral Transfer: Supramolecular Polymerization in a Chiral Medium of a Mesogenic Molecule. Chem Asian J 2022; 17:e202200223. [PMID: 35338598 DOI: 10.1002/asia.202200223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/23/2022] [Indexed: 11/08/2022]
Abstract
Here, we report a medium-to-polymer anomalous chiral transfer in supramolecular polymerization of a tetraphenylporphyrinbased achiral hydrogen-bonding monomer ( TPP ) in a chiral medium of 5-cyanobiphenyl CB* . A mixture of TPP in ( R )- CB* ([ TPP ] = 7.7 mol%) at 40 °C gave a columnar oblique LC mesophase, where the individual columns were composed of an optically active helical supramolecular polymer of TPP as a consequence of a successful medium-to-polymer chiral transfer. Meanwhile, upon dilution of CB* with achiral 5-cyanobiphenyl CB , the optical activity of the system showed an anomalous bell-shaped dependency on the composition of CB* / CB , where the g abs value of 0.049 at CB* / CB = 50/50 was 6.0 times larger than the g abs value of CB* alone. Such anomalous chiroptical amplification in CD is most likely due to a change in the stacking geometry of TPP in the oblique columnar LC upon lateral compression.
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Affiliation(s)
- Xu-Jie Zhang
- The University of Tokyo: Tokyo Daigaku, Department of Chemistry and Biotechnology, JAPAN
| | - Daiki Morishita
- The University of Tokyo: Tokyo Daigaku, Department of Chemistry and Biotechnology, JAPAN
| | - Tsubasa Aoki
- The University of Tokyo: Tokyo Daigaku, Department of Chemistry and Biotechnology, JAPAN
| | - Yoshimitsu Itoh
- The University of Tokyo: Tokyo Daigaku, Department of Chemistry and Biotechnology, JAPAN
| | - Keiichi Yano
- The University of Tokyo: Tokyo Daigaku, Department of Chemistry and Biotechnology, JAPAN
| | | | - Takuzo Aida
- School of Engineering, U. Tokyo, Dept. Chemistry and Biotechnology, 7-3-1 Hongo, Bunkyo-ku, 113-8656, Tokyo, JAPAN
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Krieger A, Zika A, Gröhn F. Functional Nano-Objects by Electrostatic Self-Assembly: Structure, Switching, and Photocatalysis. Front Chem 2022; 9:779360. [PMID: 35359487 PMCID: PMC8961288 DOI: 10.3389/fchem.2021.779360] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 11/30/2021] [Indexed: 11/14/2022] Open
Abstract
The design of functional nano-objects by electrostatic self-assembly in solution signifies an emerging field with great potential. More specifically, the targeted combination of electrostatic interaction with other effects and interactions, such as the positioning of charges on stiff building blocks, the use of additional amphiphilic, π-π stacking building blocks, or polyelectrolytes with certain architectures, have recently promulgated electrostatic self-assembly to a principle for versatile defined structure formation. A large variety of architectures from spheres over rods and hollow spheres to networks in the size range of a few tenths to a few hundred nanometers can be formed. This review discusses the state-of-the-art of different approaches of nano-object formation by electrostatic self-assembly against the backdrop of corresponding solid materials and assemblies formed by other non-covalent interactions. In this regard, particularly promising is the facile formation of triggerable structures, i.e. size and shape switching through light, as well as the use of electrostatically assembled nano-objects for improved photocatalysis and the possible solar energy conversion in the future. Lately, this new field is eliciting an increasing amount of understanding; insights and limitations thereof are addressed in this article. Special emphasis is placed on the interconnection of molecular building block structures and the resulting nanoscale architecture via the key of thermodynamics.
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Affiliation(s)
| | | | - Franziska Gröhn
- Department of Chemistry and Pharmacy and Interdisciplinary Center for Molecular Materials (ICMM) and Bavarian Polymer Institute (BPI), Friedrich-Alexander University (FAU) Erlangen-Nürnberg, Erlangen, Germany
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8
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Zhang J, Qi S, Yu H, Lin Z, Li B, Wang M, Dong Z. Dimensionally confined nanosheets self-assembled through self-shielding multiple hydrogen bonding interactions in aqueous media. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.02.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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9
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Wang J, Bao J, Zhou J, Li X, Zhang X, Chen W. Effects of physical aging on the self‐healing, shape memory, and crystallization behaviors of hydrogen‐bonded supramolecular polymers. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jiantao Wang
- School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Jianna Bao
- School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Jiale Zhou
- School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Xiang Li
- School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Xianming Zhang
- School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
| | - Wenxing Chen
- School of Materials Science and Engineering Zhejiang Sci‐Tech University Hangzhou China
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10
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Wu B, Liu L, Zhou L, Magana JR, Hendrix MMRM, Wang J, Li C, Ding P, Wang Y, Guo X, Voets IK, Cohen Stuart MA, Wang J. Complex supramolecular fiber formed by coordination-induced self-assembly of benzene-1,3,5-tricarboxamide (BTA). J Colloid Interface Sci 2021; 608:1297-1307. [PMID: 34739992 DOI: 10.1016/j.jcis.2021.10.124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/20/2021] [Accepted: 10/21/2021] [Indexed: 12/30/2022]
Abstract
HYPOTHESIS In the quest for large but well-controlled supramolecular structures, the discotic benzene-1,3,5-tricarboxamide (BTA) has received quite some attention, because it can form hydrogen-bonded stacks that can be regarded as supramolecular polymers of which the single BTA molecule is the monomer. In this report, we consider a more complex BTA-based supramolecular polymer, namely one that is built up from supramolecular 'monomers'. EXPERIMENTS We design a tris-ligand L3 consisting of a BTA core carrying three dipicolinic acid (DPA) groups. L3 itself is too small to form polymers, but in the presence of appropriate metal ions, each L3 can form three coordination bonds and so form (L3)n clusters that are large enough to stack successfully: at an appropriate metal dose, long and stable filaments with a cross-sectional diameter of 12 nm appear. We monitor the growth process by UV-vis spectroscopy and light scattering, and use small angle X-ray scattering (SAXS), TEM as well as molecular simulation to confirm the filamentous structure of the fibers and determine their dimensions. FINDINGS The formation and structure of the fiber are very similar for various transition metal ions, which enables introducing different functionalities, e.g., magnetic relaxivity, by proper choice of the metal ions. Hence, we obtain a doubly supramolecular polymer, connected axially by hydrogen bonds, and radially by coordination bonds. Not only does this realize a higher level of complexity, but it also allows to easily introduce and vary metal-derived functionalities.
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Affiliation(s)
- Bohang Wu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China
| | - Lin Liu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China
| | - Lu Zhou
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Jose Rodrigo Magana
- Self-Organizing Soft Matter Lab, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, 5612 AZ, the Netherlands.
| | - Marco M R M Hendrix
- Self-Organizing Soft Matter Lab, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, 5612 AZ, the Netherlands.
| | - Jiahua Wang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China
| | - Chendan Li
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China
| | - Peng Ding
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Yiming Wang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Xuhong Guo
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Ilja K Voets
- Self-Organizing Soft Matter Lab, Department of Chemical Engineering and Chemistry & Institute for Complex Molecular Systems, Eindhoven University of Technology, 5612 AZ, the Netherlands.
| | - Martien A Cohen Stuart
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
| | - Junyou Wang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, 130 Meilong Road, 200237 Shanghai, China.
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11
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Wang H, Chen Q, Geng Z, Rao J, Xiong B, Lortie F, Bernard J, Binder WH, Chen S, Zhu J. Hydrogen-bonding mediated self-assembly of amphiphilic ABA triblock copolymers into well-defined giant vesicles. Polym Chem 2021. [DOI: 10.1039/d1py01061a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A straightforward and efficient access towards the generation of well-defined giant vesicles (∼3 μm in diameters), featured by Hydrogen-bonded DAP–DAP dimerization, and the amphiphilic interactions is reported.
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Affiliation(s)
- Huiying Wang
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage, Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Qiang Chen
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage, Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Zhen Geng
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage, Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Jingyi Rao
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage, Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Bijin Xiong
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage, Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Frédéric Lortie
- Univ Lyon, INSA Lyon, CNRS, IMP UMR 5223, F-69621, Villeurbanne, France
| | - Julien Bernard
- Univ Lyon, INSA Lyon, CNRS, IMP UMR 5223, F-69621, Villeurbanne, France
| | - Wolfgang H. Binder
- Chair of Macromolecular Chemistry, Faculty of Natural Science II (Chemistry, Physics and Mathematics), Martin Luther University Halle-Wittenberg, von-Danckelmann-Platz 4, Halle (Saale) D-06120, Germany
| | - Senbin Chen
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage, Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
| | - Jintao Zhu
- Key Laboratory of Materials Chemistry for Energy Conversion and Storage, Ministry of Education (HUST), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology (HUST), Wuhan 430074, China
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12
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Guest induced morphology transitions of star shaped pillar[5]arene trimer via endo host-guest and “exo-wall” electron-transfer interactions. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.03.044] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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13
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Ikai T, Okubo M, Wada Y. Helical Assemblies of One-Dimensional Supramolecular Polymers Composed of Helical Macromolecules: Generation of Circularly Polarized Light Using an Infinitesimal Chiral Source. J Am Chem Soc 2020; 142:3254-3261. [PMID: 31983202 DOI: 10.1021/jacs.9b13584] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We report the synthesis of one-dimensional supramolecular polymers composed of one-handed helical macromolecules bearing fluorescent pendant groups and the generation of circularly polarized light on the basis of hierarchical chiral amplification starting from a tiny amount of chiral substituent. Copolymerization of benzo[1,2-b:4,5-b']dithiophene-appended achiral/chiral isocyanides (99:1, mol/mol) with a solid-state photoluminescence feature afforded submicrometer supramolecular fibers, in which almost perfect single-handed helical polyisocyanides were noncovalently connected end to end. The resulting helical supramolecular polymers were further helically assembled to form a cholesteric liquid crystal film with an intense circularly polarized luminescence (CPL) signal. Surprisingly, the supramolecular system containing only 0.01 mol % of the chiral monomer unit also emitted the observable circularly polarized light owing to multiple chiral amplification from an infinitesimal point chirality to helical chirality and then to supramolecular chirality. Furthermore, chiral information was efficiently transferred from the helically assembled supramolecular system containing 1 mol % of the chiral unit to achiral dye molecules blended in the film, allowing full-color tunable induced CPL with luminescence dissymmetry factors greater than 1.0 × 10-2. This unprecedentedly strong chiral amplification enables the creation of helical supramolecular polymers and chirally assembled systems with various chiral functions based solely on an infinitesimal chiral source.
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Affiliation(s)
- Tomoyuki Ikai
- Graduate School of Natural Science and Technology , Kanazawa University , Kakuma-machi, Kanazawa 920-1192 , Japan.,Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering , Nagoya University , Chikusa-ku, Nagoya 464-8603 , Japan
| | - Mitsuhiro Okubo
- Graduate School of Natural Science and Technology , Kanazawa University , Kakuma-machi, Kanazawa 920-1192 , Japan
| | - Yuya Wada
- Graduate School of Natural Science and Technology , Kanazawa University , Kakuma-machi, Kanazawa 920-1192 , Japan
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14
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Karunakaran SC, Cafferty BJ, Jain KS, Schuster GB, Hud NV. Reversible Transformation of a Supramolecular Hydrogel by Redox Switching of Methylene Blue-A Noncovalent Chain Stopper. ACS OMEGA 2020; 5:344-349. [PMID: 31956781 PMCID: PMC6964268 DOI: 10.1021/acsomega.9b02785] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 11/15/2019] [Indexed: 05/31/2023]
Abstract
The simple and reversible control of the degree of polymerization, and thereby the bulk material properties, of a supramolecular polymer is reported. Noncovalent capping agents (chain stoppers) modulate the length of supramolecular polymers by stacking on the surfaces of the polymer's ends. Methylene blue (MB) is a positively charged, planar polycyclic dye that acts as a chain stopper. It can be reversibly switched between its colored, planar, cationic state and a colorless, nonplanar, neutral state (leucomethylene blue, LMB) by reduction with ascorbic acid and then reoxidized to MB by O2. LMB does not act as a chain stopper. This behavior was utilized to reversibly trigger the gel to sol transformation of supramolecular polymers formed by the self-assembly of hexameric rosettes comprising 2,4,6-triaminopyrimidine and a hexanoic acid-substituted cyanuric acid (CyCo6) in aqueous media. The results of our experiments highlight the ability of this approach to reversibly switch between the gel and solution states of materials formed from supramolecular polymers and thereby control their bulk properties.
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15
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Wang Q, Zhong Y, Miller DP, Lu X, Tang Q, Lu ZL, Zurek E, Liu R, Gong B. Self-Assembly and Molecular Recognition in Water: Tubular Stacking and Guest-Templated Discrete Assembly of Water-Soluble, Shape-Persistent Macrocycles. J Am Chem Soc 2020; 142:2915-2924. [PMID: 31895977 DOI: 10.1021/jacs.9b11536] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Supramolecular chemistry in aqueous media is an area with great fundamental and practical significance. To examine the role of multiple noncovalent interactions in controlled assembling and binding behavior in water, the self-association of five water-soluble hexakis(m-phenylene ethynylene) (m-PE) macrocycles, along with the molecular recognition behavior of the resultant assemblies, is investigated with UV-vis, fluorescence, CD, and NMR spectroscopy, mass spectrometry, and computational studies. In contrast to their different extents of self-aggregation in organic solvents, all five macrocycles remain aggregated in water at concentrations down to the micromolar (μM) range. CD spectroscopy reveals that 1-F6 and 1-H6, two macrocycles carrying chiral side chains and capable of H-bonded self-association, assemble into tubular stacks. The tubular stacks serve as supramolecular hosts in water, as exemplified by the interaction of macrocycles 1-H6 and 2-H6 and guests G1 through G4, each having a rod-like oligo(p-phenylene ethynylene) (p-PE) segment flanked by two hydrophilic chains. Fluorescence and 1H NMR spectroscopy revealed the formation of kinetically stable, discrete assemblies upon mixing 2-H6 and a guest. The binding stoichiometry, determined with fluorescence, 1H NMR, and ESI-MS, reveals that the discrete assemblies are novel pseudorotaxanes, each containing a pair of identical guest molecules encased by a tubular stack. The two guest molecules define the number of macrocyclic molecules that comprise the host, which curbs the "infinite" stack growth, resulting in a tubular stack with a cylindrical pore tailoring the length of the p-PE segment of the bound guests. Each complex is stabilized by the action of multiple noncovalent forces including aromatic stacking, side-chain H-bonding, and van der Waals interactions. Thus, the interplay of multiple noncovalent forces aligns the molecules of macrocycles 1 and 2 into tubular stacks with cylindrical inner pores that, upon binding rod-like guests, lead to tight, discrete, and well-ordered tubular assemblies that are unprecedented in water.
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Affiliation(s)
- Qiuhua Wang
- College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Yulong Zhong
- Department of Chemistry , University at Buffalo, The State University of New York , Buffalo , New York 14260 , United States
| | - Daniel P Miller
- Department of Chemistry , Hofstra University , Hempstead , New York 11549 , United States
| | - Xiaoxing Lu
- College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Quan Tang
- College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Zhong-Lin Lu
- College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Eva Zurek
- Department of Chemistry , University at Buffalo, The State University of New York , Buffalo , New York 14260 , United States
| | - Rui Liu
- College of Chemistry , Beijing Normal University , Beijing 100875 , China
| | - Bing Gong
- Department of Chemistry , University at Buffalo, The State University of New York , Buffalo , New York 14260 , United States
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16
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Yan Z, Cai S, Tan J, Zhang J, Yan C, Xu T, Wan X. Induced Circular Dichroism of Isotactic Poly(2-vinylpyridine) with Diverse and Tunable "Sergeants-and-Soldiers" Type Chiral Amplification. ACS Macro Lett 2019; 8:789-794. [PMID: 35619500 DOI: 10.1021/acsmacrolett.9b00216] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Facile and efficient construction of the helical structure with diverse and tunable chiral amplification from an achiral polymer is attractive but remains a challenge to develop multiple functional materials. We report herein a macromolecular acid-base complex of highly isotactic poly(2-vinylpyridine) (mmmm > 99%), (+)-camphorsulfonic acid, and dodecylbenzensulfonic acid. The asymmetric induction of the chiral additive through the ionic interactions between pyridinium pendants and acid ions drives the polymer backbone to twist in a preferred direction in CHCl3 and its mixture with CH3CN. The sign and intensity of induced circular dichroism rely on the base to acid ratio, the chiral acid content, and the solvent nature. By systematically tuning the solvent composition, four distinct types of "sergeants-and-soldiers" mode chiral amplification are achieved for the first time within a single system owing to the solvent dependent bias of chiral-chiral and chiral-achiral ion pairs.
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Affiliation(s)
- Zijia Yan
- 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
| | - Siliang Cai
- 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
| | - Junyan Tan
- 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
| | - Jie Zhang
- 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
| | - Chao Yan
- State Key Laboratory of Fine Chemicals, College of Chemistry, Dalian University of Technology, Dalian 116024, China
| | - Tieqi Xu
- State Key Laboratory of Fine Chemicals, College of Chemistry, Dalian University of Technology, Dalian 116024, 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
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17
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Korde JM, Kandasubramanian B. Fundamentals and Effects of Biomimicking Stimuli-Responsive Polymers for Engineering Functions. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b00683] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jay M. Korde
- Biocomposite Laboratory, Department of Metallurgical & Materials Engineering, DIAT (DU), Ministry of Defence, Girinagar, Pune-411025, India
| | - Balasubramanian Kandasubramanian
- Biocomposite Laboratory, Department of Metallurgical & Materials Engineering, DIAT (DU), Ministry of Defence, Girinagar, Pune-411025, India
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18
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Adelizzi B, Van Zee NJ, de Windt LNJ, Palmans ARA, Meijer EW. Future of Supramolecular Copolymers Unveiled by Reflecting on Covalent Copolymerization. J Am Chem Soc 2019; 141:6110-6121. [PMID: 30889358 DOI: 10.1021/jacs.9b01089] [Citation(s) in RCA: 104] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Supramolecular copolymers are an emerging class of materials, and in the last years their potential has been demonstrated on a broad scale. Implementing noncovalent polymers with multiple components can bring together useful features such as dynamicity and new functionalities. However, mastering and tuning the microstructure of these systems is still an open challenge. In this Perspective, we aim to trace the general principles of supramolecular copolymerization by analyzing them through the lens of the well-established field of covalent copolymerization. Our goal is to delineate guidelines to classify and analyze supramolecular copolymers in order to create a fruitful platform to design and investigate new multicomponent systems.
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Affiliation(s)
| | - Nathan J Van Zee
- Chimie Moléculaire, Macromoléculaire, et Matériaux, École Supérieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI)-CNRS, UMR-7167 , Paris Sciences et Lettres (PSL) Research University , 10 Rue Vauquelin , 75005 Paris , France
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19
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Thakur S, Drew MGB, Franconetti A, Frontera A, Chattopadhyay S. Analysis of energies of halogen and hydrogen bonding interactions in the solid state structures of vanadyl Schiff base complexes. RSC Adv 2019; 9:4789-4796. [PMID: 35514651 PMCID: PMC9060597 DOI: 10.1039/c8ra09947b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 01/21/2019] [Indexed: 01/04/2023] Open
Abstract
Two mononuclear and two dinuclear vanadium(v) complexes, [VO2L1] (1), [VO2L2] (2), (μ-O)2[V(O)(L3)]2 (3) and (μ-O)2[V(O)(L4)]2·2H2O (4), where HL1 = 4-bromo-6-[(2-phenylaminoethylimino)methyl]phenol, HL2 = 2-((2-(diethylamino)ethylimino)methyl)-4-chlorophenol, HL3 = 2-((2-(ethylamino)ethylimino)methyl)-4-chlorophenol and HL4 = 2-(1-(2-(ethylamino)ethylimino)ethyl)phenol have been synthesized and characterized. Structures of all complexes have been confirmed by single crystal X-ray diffraction studies. Complexes 1, 2, and 3 exhibit significant halogen bonding interactions in their solid state structures. The energies associated to the supramolecular interactions have been explored using Density Functional Theory (DFT) calculations, and further confirmed with non-covalent interaction (NCI) plots.
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Affiliation(s)
- Snehasish Thakur
- Department of Chemistry, Inorganic Section, Jadavpur University Kolkata 700 032 India
| | - Michael G B Drew
- School of Chemistry, The University of Reading P. O. Box 224, Whiteknights Reading RG6 6AD UK
| | - Antonio Franconetti
- Departament de Química, Universitat de les Illes Balears Crta. De Valldemossa km 7.5 07122 Palma Baleares Spain
| | - Antonio Frontera
- Departament de Química, Universitat de les Illes Balears Crta. De Valldemossa km 7.5 07122 Palma Baleares Spain
| | - Shouvik Chattopadhyay
- Department of Chemistry, Inorganic Section, Jadavpur University Kolkata 700 032 India
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20
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Backbone-free duplex-stacked monomer nucleic acids exhibiting Watson-Crick selectivity. Proc Natl Acad Sci U S A 2018; 115:E7658-E7664. [PMID: 29967169 PMCID: PMC6099888 DOI: 10.1073/pnas.1721369115] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The columnar liquid crystal phases reported here are physical associations of the smallest molecular species to self-assemble into the duplex base-paired stacked columnar double-helical structures of nucleic acids. These assemblies of monomers can provide starting states capable of partitioning appropriate molecules from solution with a high degree of selectivity, acting as pathways for the prebiotic appearance of molecular selection, self-assembly, and, ultimately, of the sequence-directed assembly of polymers. We demonstrate that nucleic acid (NA) mononucleotide triphosphates (dNTPs and rNTPs), at sufficiently high concentration and low temperature in aqueous solution, can exhibit a phase transition in which chromonic columnar liquid crystal ordering spontaneously appears. Remarkably, this polymer-free state exhibits, in a self-assembly of NA monomers, the key structural elements of biological nucleic acids, including: long-ranged duplex stacking of base pairs, complementarity-dependent partitioning of molecules, and Watson–Crick selectivity, such that, among all solutions of adenosine, cytosine, guanine, and thymine NTPs and their binary mixtures, duplex columnar ordering is most stable in the A-T and C-G combinations.
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21
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Edwards W, Smith DK. Chiral Assembly Preferences and Directing Effects in Supramolecular Two-Component Organogels. Gels 2018; 4:gels4020031. [PMID: 30674807 PMCID: PMC6209267 DOI: 10.3390/gels4020031] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 03/23/2018] [Accepted: 03/25/2018] [Indexed: 12/31/2022] Open
Abstract
The impact of chirality on the self-assembly of supramolecular gels is of considerable importance, as molecular-scale programming can be translated into nanostructuring and ultimately affect macroscopic performance. This paper explores the effect of chirality on the assembly of two-component gels comprised of a second-generation dendritic lysine peptide acid, containing three chiral centres, and an amine. This combination forms an acid⁻amine complex that assembles into nanofibres through peptide-peptide hydrogen bonds, leading to organogels. With achiral amines, a racemic mixture of l,l,l and d,d,d dendritic peptide acids surprisingly forms the best gels-more commonly, mixing enantiomers suppresses gelation. Thermodynamic studies demonstrate that depending on the amine, the greater stability of heterochiral gels can either be entropically or enthalpically driven. With amines possessing "R" chirality, the l,l,l peptide acid consistently forms more effective gels than its d,d,d analogue. Furthermore, in mixed gels, l,l,l sometimes imposes its assembly preference onto d,d,d. In summary, this paper demonstrates a rare example in which heterochiral gels are preferred, and also explores directing effects when each component in a two-component gel is chiral.
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Affiliation(s)
- William Edwards
- Department of Chemistry, University of York, Heslington, York YO10 5DD, UK.
| | - David K Smith
- Department of Chemistry, University of York, Heslington, York YO10 5DD, UK.
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22
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Manzi G, Zoratto N, Matano S, Sabia R, Villani C, Coviello T, Matricardi P, Di Meo C. "Click" hyaluronan based nanohydrogels as multifunctionalizable carriers for hydrophobic drugs. Carbohydr Polym 2017; 174:706-715. [PMID: 28821122 DOI: 10.1016/j.carbpol.2017.07.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 05/26/2017] [Accepted: 07/02/2017] [Indexed: 12/22/2022]
Abstract
Highly hydrophilic and biocompatible nanocarriers based on polysaccharide hydrogels (nanohydrogels, NHs) were shown to be promising systems for drug delivery applications. Following the idea of these emerging drug carriers, the aim of the present work was to develop self-assembled hydrogel nanoparticles based on amphiphilic derivatives of hyaluronic acid (HA) and riboflavin (Rfv), synthesized by "click" Copper(I)-catalyzed Azide-Alkyne Cycloaddition (CuAAC) reaction. The obtained amphiphilic product (HA-c-Rfv) was able to form nanohydrogels in aqueous environments, in particular by applying an innovative autoclave-based method. HA of different molecular weights (Mw) and degrees of substitution (DS) were prepared and the effect of these parameters on the NHs formation was assessed. The derivative HA220-c-Rfv 40/40 was chosen as the most interesting system, capable to form NHs in the range of 150-200nm and with a negative ζ-potential. NHs were very stable in water solutions and, by adding dextrose as cryoprotectant, it was also possible to freeze-dry the NHs formulation. The developed system is proposed for the delivery of hydrophobic drugs; for this purpose, dexamethasone, piroxicam and paclitaxel were used as model drugs; these molecules were loaded into NHs with high efficiency by film-hydration technique. Furthermore, a HA-c-Rfv derivative bearing an excess of propargylic portions was capable to react with other N3-derivatized molecules, opening the route to a wide spectrum of functionalization opportunities: in this direction, PEG-N3 has been tested as a model molecule for the preparation of PEGylated NHs.
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Affiliation(s)
- Giuliana Manzi
- Department of Drug Chemistry and Technologies, "Sapienza'' University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Nicole Zoratto
- Department of Drug Chemistry and Technologies, "Sapienza'' University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Silvia Matano
- Department of Drug Chemistry and Technologies, "Sapienza'' University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Rocchina Sabia
- Department of Drug Chemistry and Technologies, "Sapienza'' University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Claudio Villani
- Department of Drug Chemistry and Technologies, "Sapienza'' University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Tommasina Coviello
- Department of Drug Chemistry and Technologies, "Sapienza'' University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Pietro Matricardi
- Department of Drug Chemistry and Technologies, "Sapienza'' University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy
| | - Chiara Di Meo
- Department of Drug Chemistry and Technologies, "Sapienza'' University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy.
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23
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Goujon A, Mariani G, Lang T, Moulin E, Rawiso M, Buhler E, Giuseppone N. Controlled Sol-Gel Transitions by Actuating Molecular Machine Based Supramolecular Polymers. J Am Chem Soc 2017; 139:4923-4928. [PMID: 28286945 DOI: 10.1021/jacs.7b00983] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The implementation of artificial molecular machines in polymer science is an important objective that challenges chemists and physicists in order to access an entirely new class of smart materials. To design such systems, the amplification of a mechanical actuation from the nanoscale up to a macroscopic response in the bulk material is a central issue. In this article we show that bistable [c2]daisy chain rotaxanes (i.e., molecular muscles) can be linked into main-chain Upy-based supramolecular polymers. We then reveal by an in depth quantitative study that the pH actuation of the mechanically active rotaxane at the nanoscale influences the physical reticulation of the polymer chains by changing the supramolecular behavior of the Upy units. This nanoactuation within the local structure of the main chain polymer results in a mechanically controlled sol-gel transition at the macroscopic level.
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Affiliation(s)
- Antoine Goujon
- SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84047, 67034 Cedex 2 Strasbourg, France
| | - Giacomo Mariani
- Matière et Systèmes Complexes (MSC) Laboratory, UMR CNRS 7057, Sorbonne Paris Cité, University of Paris Diderot-Paris VII , Bâtiment Condorcet, 75205 Cedex 13 Paris, France
| | - Thomas Lang
- SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84047, 67034 Cedex 2 Strasbourg, France
| | - Emilie Moulin
- SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84047, 67034 Cedex 2 Strasbourg, France
| | - Michel Rawiso
- SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84047, 67034 Cedex 2 Strasbourg, France
| | - Eric Buhler
- Matière et Systèmes Complexes (MSC) Laboratory, UMR CNRS 7057, Sorbonne Paris Cité, University of Paris Diderot-Paris VII , Bâtiment Condorcet, 75205 Cedex 13 Paris, France
| | - Nicolas Giuseppone
- SAMS research group, University of Strasbourg, Institut Charles Sadron, CNRS, 23 rue du Loess, BP 84047, 67034 Cedex 2 Strasbourg, France
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24
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Porous Hydrogen-Bonded Organic Frameworks. Molecules 2017; 22:molecules22020266. [PMID: 28208825 PMCID: PMC6155736 DOI: 10.3390/molecules22020266] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 02/04/2017] [Accepted: 02/06/2017] [Indexed: 11/30/2022] Open
Abstract
Ordered porous solid-state architectures constructed via non-covalent supramolecular self-assembly have attracted increasing interest due to their unique advantages and potential applications. Porous metal-coordination organic frameworks (MOFs) are generated by the assembly of metal coordination centers and organic linkers. Compared to MOFs, porous hydrogen-bonded organic frameworks (HOFs) are readily purified and recovered via simple recrystallization. However, due to lacking of sufficiently ability to orientate self-aggregation of building motifs in predictable manners, rational design and preparation of porous HOFs are still challenging. Herein, we summarize recent developments about porous HOFs and attempt to gain deeper insights into the design strategies of basic building motifs.
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25
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Chan ASW, Sundararajan PR. Co-Assembly and Self-Sorting Effects in Gels of Blends of Polyurethane Model Compounds. ChemistrySelect 2017. [DOI: 10.1002/slct.201601696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Anita S. W. Chan
- Department of Chemistry; Carleton University; 1125 Colonel By Drive Ottawa, Ontario Canada K1S 5B6
| | - Pudupadi R. Sundararajan
- Department of Chemistry; Carleton University; 1125 Colonel By Drive Ottawa, Ontario Canada K1S 5B6
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26
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Liu W, Chen J, Zhou D, Liao X, Xie M, Sun R. A high-performance dielectric block copolymer with a self-assembled superhelical nanotube morphology. Polym Chem 2017. [DOI: 10.1039/c6py01571a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A block copolymer consisting of functional polynorbornene and polyacetylene segments was self-assembled into a superhelical nanotube, and displayed good dielectric properties.
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Affiliation(s)
- Wenmei Liu
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Jie Chen
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Dandan Zhou
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Xiaojuan Liao
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Meiran Xie
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Ruyi Sun
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
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27
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Yashima E, Ousaka N, Taura D, Shimomura K, Ikai T, Maeda K. Supramolecular Helical Systems: Helical Assemblies of Small Molecules, Foldamers, and Polymers with Chiral Amplification and Their Functions. Chem Rev 2016; 116:13752-13990. [PMID: 27754649 DOI: 10.1021/acs.chemrev.6b00354] [Citation(s) in RCA: 1230] [Impact Index Per Article: 153.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
In this review, we describe the recent advances in supramolecular helical assemblies formed from chiral and achiral small molecules, oligomers (foldamers), and helical and nonhelical polymers from the viewpoints of their formations with unique chiral phenomena, such as amplification of chirality during the dynamic helically assembled processes, properties, and specific functionalities, some of which have not been observed in or achieved by biological systems. In addition, a brief historical overview of the helical assemblies of small molecules and remarkable progress in the synthesis of single-stranded and multistranded helical foldamers and polymers, their properties, structures, and functions, mainly since 2009, will also be described.
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Affiliation(s)
- Eiji Yashima
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Naoki Ousaka
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Daisuke Taura
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Kouhei Shimomura
- Department of Molecular Design and Engineering, Graduate School of Engineering, Nagoya University , Chikusa-ku, Nagoya 464-8603, Japan
| | - Tomoyuki Ikai
- Graduate School of Natural Science and Technology, Kanazawa University , Kakuma-machi, Kanazawa 920-1192, Japan
| | - Katsuhiro Maeda
- Graduate School of Natural Science and Technology, Kanazawa University , Kakuma-machi, Kanazawa 920-1192, Japan
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28
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Li X, Gao Y, Harniman R, Winnik M, Manners I. Hierarchical Assembly of Cylindrical Block Comicelles Mediated by Spatially Confined Hydrogen-Bonding Interactions. J Am Chem Soc 2016; 138:12902-12912. [DOI: 10.1021/jacs.6b05973] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiaoyu Li
- School
of Chemistry, University of Bristol, Bristol BS8 1TS, United Kingdom
| | - Yang Gao
- School
of Chemistry, University of Bristol, Bristol BS8 1TS, United Kingdom
| | - Robert Harniman
- School
of Chemistry, University of Bristol, Bristol BS8 1TS, United Kingdom
| | - Mitchell Winnik
- Department
of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Ian Manners
- School
of Chemistry, University of Bristol, Bristol BS8 1TS, United Kingdom
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29
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Desmarchelier A, Alvarenga BG, Caumes X, Dubreucq L, Troufflard C, Tessier M, Vanthuyne N, Idé J, Maistriaux T, Beljonne D, Brocorens P, Lazzaroni R, Raynal M, Bouteiller L. Tuning the nature and stability of self-assemblies formed by ester benzene 1,3,5-tricarboxamides: the crucial role played by the substituents. SOFT MATTER 2016; 12:7824-7838. [PMID: 27722677 DOI: 10.1039/c6sm01601d] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
As the benzene 1,3,5-tricarboxamide (BTA) moiety is commonly used as the central assembling unit for the construction of functionalized supramolecular architectures, strategies to tailor the nature and stability of BTA assemblies are needed. The assembly properties of a library of structurally simple BTAs derived from amino dodecyl esters (ester BTAs, 13 members) have been studied, either in the bulk or in cyclohexane solutions, by means of a series of analytical methods (NMR, DSC, POM, FT-IR, UV-Vis, CD, ITC, high-sensitivity DSC, SANS). Two types of hydrogen-bonded species have been identified and characterized: the expected amide-bonded helical rods (or stacks) that are structurally similar to those formed by BTAs with simple alkyl side chains (alkyl BTAs), and ester-bonded dimers in which the BTAs are connected by means of hydrogen bonds linking the amide N-H and the ester C[double bond, length as m-dash]O. MM/MD calculations coupled with simulations of CD spectra allow for the precise determination of the molecular arrangement and of the hydrogen bond pattern of these dimers. Our study points out the crucial influence of the substituent attached on the amino-ester α-carbon on the relative stability of the rod-like versus dimeric assemblies. By varying this substituent, one can precisely tune the nature of the dominant hydrogen-bonded species (stacks or dimers) in the neat compounds and in cyclohexane over a wide range of temperatures and concentrations. In the neat BTAs, stacks are stable up to 213 °C and dimers above 180 °C whilst in cyclohexane stacks form at c* > 3 × 10-5 M at 20 °C and dimers are stable up to 80 °C at 7 × 10-6 M. Ester BTAs that assemble into stacks form a liquid-crystalline phase and yield gels or viscous solutions in cyclohexane, demonstrating the importance of controlling the structure of these assemblies. Our systematic study of these structurally similar ester BTAs also allows for a better understanding of how a single atom or moiety can impact the nature and stability of BTA aggregates, which is of importance for the future development of functionalized BTA supramolecular polymers.
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Affiliation(s)
- Alaric Desmarchelier
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymeres, 4 Place Jussieu, F-75005 Paris, France.
| | - Bruno Giordano Alvarenga
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymeres, 4 Place Jussieu, F-75005 Paris, France. and Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, Brazil
| | - Xavier Caumes
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymeres, 4 Place Jussieu, F-75005 Paris, France.
| | - Ludovic Dubreucq
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymeres, 4 Place Jussieu, F-75005 Paris, France.
| | - Claire Troufflard
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymeres, 4 Place Jussieu, F-75005 Paris, France.
| | - Martine Tessier
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymeres, 4 Place Jussieu, F-75005 Paris, France.
| | - Nicolas Vanthuyne
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2, UMR 7313, 13397 Marseille Cedex 20, France
| | - Julien Idé
- Service de Chimie des Matériaux Nouveaux, Université de Mons/Materia Nova, Place du Parc, 20, B-7000 Mons, Belgium
| | - Thomas Maistriaux
- Service de Chimie des Matériaux Nouveaux, Université de Mons/Materia Nova, Place du Parc, 20, B-7000 Mons, Belgium
| | - David Beljonne
- Service de Chimie des Matériaux Nouveaux, Université de Mons/Materia Nova, Place du Parc, 20, B-7000 Mons, Belgium
| | - Patrick Brocorens
- Service de Chimie des Matériaux Nouveaux, Université de Mons/Materia Nova, Place du Parc, 20, B-7000 Mons, Belgium
| | - Roberto Lazzaroni
- Service de Chimie des Matériaux Nouveaux, Université de Mons/Materia Nova, Place du Parc, 20, B-7000 Mons, Belgium
| | - Matthieu Raynal
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymeres, 4 Place Jussieu, F-75005 Paris, France.
| | - Laurent Bouteiller
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, Equipe Chimie des Polymeres, 4 Place Jussieu, F-75005 Paris, France.
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30
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Two-Component Self-Assembly: Hierarchical Formation of pH-Switchable Supramolecular Networks by π-π Induced Aggregation of Ion Pairs. Chemistry 2016; 22:15242-15247. [DOI: 10.1002/chem.201603944] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Indexed: 01/13/2023]
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31
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Li Y, Wong KMC, Wong HL, Yam VWW. Helical Self-Assembly and Photopolymerization Properties of Achiral Amphiphilic Platinum(II) Diacetylene Complexes of Tridentate 2,6-Bis(1-alkylpyrazol-3-yl)pyridines. ACS APPLIED MATERIALS & INTERFACES 2016; 8:17445-17453. [PMID: 27348758 DOI: 10.1021/acsami.6b02840] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Amphiphilic platinum(II) diacetylene complexes of the 2,6-bis(1-butylpyrazol-3-yl)pyridine pincer ligand were designed and synthesized. Helical fibrous nanostructures were obtained through supramolecular assembly of the achiral platinum(II) diacetylene complexes via intermolecular hydrogen bonding, amphiphilic effects, Pt···Pt interactions, and π-π stacking interactions. In situ post-photopolymerization of the diacetylene unit was shown to occur in the preorganized helical fibers.
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Affiliation(s)
- Yongguang Li
- Lehn Institute of Functional Materials, School of Chemistry and Chemical Engineering, Sun Yat-Sen University , Guangzhou 510275, P.R. China
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong , Pokfulam Road, Pokfulam, Hong Kong
| | - Keith Man-Chung Wong
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong , Pokfulam Road, Pokfulam, Hong Kong
- Department of Chemistry, South University of Science and Technology of China , 1088 Xueyuan Blvd., Shenzhen 518055, P.R. China
| | - Hok-Lai Wong
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong , Pokfulam Road, Pokfulam, Hong Kong
| | - Vivian Wing-Wah Yam
- Lehn Institute of Functional Materials, School of Chemistry and Chemical Engineering, Sun Yat-Sen University , Guangzhou 510275, P.R. China
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee, Hong Kong) and Department of Chemistry, The University of Hong Kong , Pokfulam Road, Pokfulam, Hong Kong
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32
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Das A, Ghosh S. H-bonding directed programmed supramolecular assembly of naphthalene-diimide (NDI) derivatives. Chem Commun (Camb) 2016; 52:6860-72. [PMID: 27100059 DOI: 10.1039/c6cc01983h] [Citation(s) in RCA: 118] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In this review we have collated various supramolecular designs, all surrounding H-bonding among well-known functional groups (peptides, nucleic acids, amides, ureas, carboxylic acids, pyridine-hydroxyls, urethanes, imides and others), to dictate self-assembly of naphthalenediimide (NDI) π-systems (both small molecules and polymeric building blocks) that exhibit several exciting features including strong propensity for π-π interactions, π-acidity, excellent n-type semiconductivity, CT-complexation, ion-π interactions, ring-substitution dependent redox properties and photophysical properties. This article reveals that H-bonding can indeed serve as a very powerful and versatile tool to programmed self-assembly of a single or multiple dye system producing a wide range of tailored soft materials, including fibrillar gels, chromonic mesophases, foldamers, nanotubes, vesicles, reverse micelles and polymersomes, both in water and organic medium with distinct photophysical properties, charge transport properties, conductivity properties and functional group displays that are highly relevant in the fields of biology and organic electronics.
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Affiliation(s)
- Anindita Das
- Indian Association for the Cultivation of Science, Polymer Science Unit, 2A and 2B Raja S C Mullick Road, Jadavpur, Kolkata-700032, India.
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33
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Liu R, Chen S, Cheng S, Baker ES, Smith RD, Zeng XC, Gong B. Surprising impact of remote groups on the folding--unfolding and dimer-chain equilibria of bifunctional H-bonding unimers. Chem Commun (Camb) 2016; 52:3773-6. [PMID: 26830456 PMCID: PMC5168931 DOI: 10.1039/c6cc00224b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oligoamide 1, consisting of two H-bonding units linked by a trimethylene linker, was previously found to form a very stable, folded dimer. In this work, replacing the side chains and end groups of 1 led to derivatives that show the surprising impact of end groups on the folding and dimer-chain equilibria of the resultant molecules.
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Affiliation(s)
- Rui Liu
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA. and College of Chemistry, Beijing Normal University, Beijing 100875, China
| | | | - Shuang Cheng
- Kuang Yaming Honors School, Nanjing University, Nanjing, Jiangsu 210023, China
| | - Erin S Baker
- Earth and Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Richard D Smith
- Earth and Biological Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99352, USA
| | - Xiao Cheng Zeng
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Bing Gong
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA. and College of Chemistry, Beijing Normal University, Beijing 100875, China
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34
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Krieg E, Bastings MMC, Besenius P, Rybtchinski B. Supramolecular Polymers in Aqueous Media. Chem Rev 2016; 116:2414-77. [DOI: 10.1021/acs.chemrev.5b00369] [Citation(s) in RCA: 527] [Impact Index Per Article: 65.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | | | - Pol Besenius
- Institute
of Organic Chemistry, Johannes Gutenberg-Universität Mainz, Mainz 55128, Germany
| | - Boris Rybtchinski
- Department
of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
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35
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Mondal T, Ghosh S. A remarkable impact of a minor structural variation in the chain-end on the hierarchical self-assembly of a polymeric foldamer. Polym Chem 2016. [DOI: 10.1039/c6py01486k] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This article elucidates a remarkable end group effect on the macroscopic assembly pathway of chain folded polyurethanes (PU) PU-2 and PU-3, both of which contain a linear PU chain appended with n-type semiconducting naphthalene-diimide (NDI) chromophores.
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Affiliation(s)
- Tathagata Mondal
- Polymer Science Unit
- Indian Association for the Cultivation of Science
- Kolkata-700032
- India
| | - Suhrit Ghosh
- Polymer Science Unit
- Indian Association for the Cultivation of Science
- Kolkata-700032
- India
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36
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Sutyak KB, Zavalij PY, Robinson ML, Davis JT. Controlling molecularity and stability of hydrogen bonded G-quadruplexes by modulating the structure's periphery. Chem Commun (Camb) 2016; 52:11112-5. [DOI: 10.1039/c6cc06271g] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Identity of 5′-ester controls G-quadruplex structure and stability.
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Affiliation(s)
- Keith B. Sutyak
- Department of Chemistry and Biochemistry
- University of Maryland
- College Park
- USA
| | - Peter Y. Zavalij
- Department of Chemistry and Biochemistry
- University of Maryland
- College Park
- USA
| | - Michael L. Robinson
- Department of Chemistry and Biochemistry
- University of Maryland
- College Park
- USA
| | - Jeffery T. Davis
- Department of Chemistry and Biochemistry
- University of Maryland
- College Park
- USA
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37
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Jeon HG, Jung JY, Kang P, Choi MG, Jeong KS. Folding-Generated Molecular Tubes Containing One-Dimensional Water Chains. J Am Chem Soc 2015; 138:92-5. [DOI: 10.1021/jacs.5b11808] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Hae-Geun Jeon
- Department of Chemistry, Yonsei University, Seoul 120-749, Korea
| | - Jin Young Jung
- Department of Chemistry, Yonsei University, Seoul 120-749, Korea
| | - Philjae Kang
- Department of Chemistry, Yonsei University, Seoul 120-749, Korea
| | - Moon-Gun Choi
- Department of Chemistry, Yonsei University, Seoul 120-749, Korea
| | - Kyu-Sung Jeong
- Department of Chemistry, Yonsei University, Seoul 120-749, Korea
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38
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He Q, Ao Y, Huang Z, Wang D. Self‐Assembly and Disassembly of Vesicles as Controlled by Anion–π Interactions. Angew Chem Int Ed Engl 2015; 54:11785-90. [DOI: 10.1002/anie.201504710] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Indexed: 12/12/2022]
Affiliation(s)
- Qing He
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (China)
| | - Yu‐Fei Ao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (China)
| | - Zhi‐Tang Huang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (China)
| | - De‐Xian Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190 (China)
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39
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He Q, Ao YF, Huang ZT, Wang DX. Self-Assembly and Disassembly of Vesicles as Controlled by Anion-π Interactions. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201504710] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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40
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Xu JF, Chen L, Zhang X. How to Make Weak Noncovalent Interactions Stronger. Chemistry 2015; 21:11938-46. [DOI: 10.1002/chem.201500568] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Indexed: 12/20/2022]
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41
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Đorđević L, Marangoni T, Miletić T, Rubio-Magnieto J, Mohanraj J, Amenitsch H, Pasini D, Liaros N, Couris S, Armaroli N, Surin M, Bonifazi D. Solvent Molding of Organic Morphologies Made of Supramolecular Chiral Polymers. J Am Chem Soc 2015; 137:8150-60. [DOI: 10.1021/jacs.5b02448] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Luka Đorđević
- Department
of Chemical and Pharmaceutical Sciences, INSTM UdR Trieste, University of Trieste, Piazzale Europa 1, 34127 Trieste, Italy
| | - Tomas Marangoni
- Department
of Chemical and Pharmaceutical Sciences, INSTM UdR Trieste, University of Trieste, Piazzale Europa 1, 34127 Trieste, Italy
| | - Tanja Miletić
- Department
of Chemical and Pharmaceutical Sciences, INSTM UdR Trieste, University of Trieste, Piazzale Europa 1, 34127 Trieste, Italy
| | - Jenifer Rubio-Magnieto
- Laboratory
for Chemistry of Novel Materials, Center for Innovation in Materials
and Polymers, University of Mons−UMONS, 20 Place du Parc, B-7000 Mons, Belgium
| | - John Mohanraj
- Istituto
per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale delle Ricerche, Via Gobetti 101, 40129 Bologna, Italy
| | - Heinz Amenitsch
- Institute
of Inorganic Chemistry, Graz University of Technology, Stremayrgasse
9, 8010 Graz, Austria
| | - Dario Pasini
- Department
of Chemistry and INSTM UdR Pavia, University of Pavia, Viale Taramelli
10, 27100 Pavia, Italy
| | - Nikos Liaros
- Department
of Physics, University of Patras, 26504 Patras, Greece
- Institute
of Chemical Engineering Sciences, Foundation for Research and Technology—Hellas, P.O. Box 1414, Patras 26504, Greece
| | - Stelios Couris
- Department
of Physics, University of Patras, 26504 Patras, Greece
- Institute
of Chemical Engineering Sciences, Foundation for Research and Technology—Hellas, P.O. Box 1414, Patras 26504, Greece
| | - Nicola Armaroli
- Istituto
per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale delle Ricerche, Via Gobetti 101, 40129 Bologna, Italy
| | - Mathieu Surin
- Laboratory
for Chemistry of Novel Materials, Center for Innovation in Materials
and Polymers, University of Mons−UMONS, 20 Place du Parc, B-7000 Mons, Belgium
| | - Davide Bonifazi
- Department
of Chemical and Pharmaceutical Sciences, INSTM UdR Trieste, University of Trieste, Piazzale Europa 1, 34127 Trieste, Italy
- Namur
Research College and Department of Chemistry, University of Namur−UNamur, Rue de Bruxelles 61, 5000 Namur, Belgium
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42
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Kar H, Gehrig DW, Laquai F, Ghosh S. J-aggregation, its impact on excited state dynamics and unique solvent effects on macroscopic assembly of a core-substituted naphthalenediimide. NANOSCALE 2015; 7:6729-36. [PMID: 25805563 DOI: 10.1039/c5nr00483g] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Herein we reveal a straightforward supramolecular design for the H-bonding driven J-aggregation of an amine-substituted cNDI in aliphatic hydrocarbons. Transient absorption spectroscopy reveals sub-ps intramolecular electron transfer in isolated NDI molecules in a THF solution followed by a fast recombination process, while a remarkable extension of the excited state lifetime by more than one order of magnitude occurred in methylcyclohexane likely owing to an increased charge-separation as a result of better delocalization of the charge-separated states in J-aggregates. We also describe unique solvent-effects on the macroscopic structure and morphology. While J-aggregation with similar photophysical characteristics was noticed in all the tested aliphatic hydrocarbons, the morphology strongly depends on the "structure" of the solvents. In linear hydrocarbons (n-hexane, n-octane, n-decane or n-dodecane), formation of an entangled fibrillar network leads to macroscopic gelation while in cyclic hydrocarbons (methylcyclohexane or cyclohexane) although having a similar polarity, the cNDI exhibits nanoscale spherical particles. These unprecedented solvent effects were rationalized by establishing structure-dependent specific interactions of the solvent molecules with the cNDI which may serve as a general guideline for solvent-induced morphology-control of structurally related self-assembled materials.
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Affiliation(s)
- Haridas Kar
- Polymer Science Unit, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata, India-700032.
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43
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Chiral structures from achiral liquid crystals in cylindrical capillaries. Proc Natl Acad Sci U S A 2015; 112:E1837-44. [PMID: 25825733 DOI: 10.1073/pnas.1423220112] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We study chiral symmetry-broken configurations of nematic liquid crystals (LCs) confined to cylindrical capillaries with homeotropic anchoring on the cylinder walls (i.e., perpendicular surface alignment). Interestingly, achiral nematic LCs with comparatively small twist elastic moduli relieve bend and splay deformations by introducing twist deformations. In the resulting twisted and escaped radial (TER) configuration, LC directors are parallel to the cylindrical axis near the center, but to attain radial orientation near the capillary wall, they escape along the radius through bend and twist distortions. Chiral symmetry-breaking experiments in polymer-coated capillaries are carried out using Sunset Yellow FCF, a lyotropic chromonic LC with a small twist elastic constant. Its director configurations are investigated by polarized optical microscopy and explained theoretically with numerical calculations. A rich phenomenology of defects also arises from the degenerate bend/twist deformations of the TER configuration, including a nonsingular domain wall separating domains of opposite twist handedness but the same escape direction and singular point defects (hedgehogs) separating domains of opposite escape direction. We show the energetic preference for singular defects separating domains of opposite twist handedness compared with those of the same handedness, and we report remarkable chiral configurations with a double helix of disclination lines along the cylindrical axis. These findings show archetypally how simple boundary conditions and elastic anisotropy of confined materials lead to multiple symmetry breaking and how these broken symmetries combine to create a variety of defects.
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44
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Mondal T, Sakurai T, Yoneda S, Seki S, Ghosh S. Semiconducting Nanotubes by Intrachain Folding Following Macroscopic Assembly of a Naphthalene–Diimide (NDI) Appended Polyurethane. Macromolecules 2015. [DOI: 10.1021/ma502410d] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Tathagata Mondal
- Polymer Science Unit, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata, India-700032
| | - Tsuneaki Sakurai
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Satoru Yoneda
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Shu Seki
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Suhrit Ghosh
- Polymer Science Unit, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata, India-700032
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45
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Dong R, Zhou Y, Huang X, Zhu X, Lu Y, Shen J. Functional supramolecular polymers for biomedical applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:498-526. [PMID: 25393728 DOI: 10.1002/adma.201402975] [Citation(s) in RCA: 338] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Revised: 08/17/2014] [Indexed: 05/08/2023]
Abstract
As a novel class of dynamic and non-covalent polymers, supramolecular polymers not only display specific structural and physicochemical properties, but also have the ability to undergo reversible changes of structure, shape, and function in response to diverse external stimuli, making them promising candidates for widespread applications ranging from academic research to industrial fields. By an elegant combination of dynamic/reversible structures with exceptional functions, functional supramolecular polymers are attracting increasing attention in various fields. In particular, functional supramolecular polymers offer several unique advantages, including inherent degradable polymer backbones, smart responsiveness to various biological stimuli, and the ease for the incorporation of multiple biofunctionalities (e.g., targeting and bioactivity), thereby showing great potential for a wide range of applications in the biomedical field. In this Review, the trends and representative achievements in the design and synthesis of supramolecular polymers with specific functions are summarized, as well as their wide-ranging biomedical applications such as drug delivery, gene transfection, protein delivery, bio-imaging and diagnosis, tissue engineering, and biomimetic chemistry. These achievements further inspire persistent efforts in an emerging interdisciplin-ary research area of supramolecular chemistry, polymer science, material science, biomedical engineering, and nanotechnology.
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Affiliation(s)
- Ruijiao Dong
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, PR China
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46
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47
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Chang R, Huang Y, Shan G, Bao Y, Yun X, Dong T, Pan P. Alternating poly(lactic acid)/poly(ethylene-co-butylene) supramolecular multiblock copolymers with tunable shape memory and self-healing properties. Polym Chem 2015. [DOI: 10.1039/c5py00742a] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
PLA/PEB SMPs with tunable shape memory and self-healing properties were prepared by end functionalization of PLA–PEB–PLA with UPy units.
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Affiliation(s)
- Ruoxing Chang
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Yongfeng Huang
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Guorong Shan
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Yongzhong Bao
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
| | - Xueyan Yun
- College of Food Science and Engineering
- Inner Mongolia Agricultural University
- Inner Mongolia 010018
- China
| | - Tungalag Dong
- College of Food Science and Engineering
- Inner Mongolia Agricultural University
- Inner Mongolia 010018
- China
| | - Pengju Pan
- State Key Laboratory of Chemical Engineering
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- China
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48
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Yang Q, Bai L, Zhang Y, Zhu F, Xu Y, Shao Z, Shen YM, Gong B. Dynamic Covalent Diblock Copolymers: Instructed Coupling, Micellation and Redox Responsiveness. Macromolecules 2014. [DOI: 10.1021/ma5017083] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Qinglai Yang
- Shanghai
Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine
(Ministry of Education), Bio-ID Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Ling Bai
- School
of Biomedical Engineering, Bio-ID Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yuanqing Zhang
- Shanghai
Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Fangxia Zhu
- Shanghai
Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine
(Ministry of Education), Bio-ID Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yuhong Xu
- School
of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhifeng Shao
- School
of Biomedical Engineering, Bio-ID Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yu-Mei Shen
- Shanghai
Center for Systems Biomedicine, Key Laboratory of Systems Biomedicine
(Ministry of Education), Bio-ID Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Bing Gong
- College
of Chemistry, Beijing Normal University, Beijing 100875, China
- Department
of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260, United States
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49
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Hemraz UD, El-Bakkari M, Yamazaki T, Cho JY, Beingessner RL, Fenniri H. Chiromers: conformation-driven mirror-image supramolecular chirality isomerism identified in a new class of helical rosette nanotubes. NANOSCALE 2014; 6:9421-9427. [PMID: 24770905 DOI: 10.1039/c4nr00340c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Rosette nanotubes are biologically inspired nanostructures, formed through the hierarchical organization of a hybrid DNA base analogue (G∧C), which features hydrogen-bonding arrays of guanine and cytosine. Several twin-G∧C motifs functionalized with chiral moieties, which undergo a self-assembly process under methanolic and aqueous conditions to produce helical rosette nanotubes (RNTs), were synthesized and characterized. The built-in molecular chirality in the twin-G∧C building blocks led to the supramolecular chirality exhibited by the RNTs, as evidenced by the CD activity. Depending on the motifs and environmental conditions, mirror-image supramolecular chirality due to absolute molecular chirality, solvent-induced and structure-dependent supramolecular chirality inversion, and pH-controlled chiroptical switching were observed.
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Affiliation(s)
- Usha D Hemraz
- Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
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50
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Xu JF, Niu LY, Chen YZ, Wu LZ, Tung CH, Yang QZ. Hydrogen Bonding Directed Self-Assembly of Small-Molecule Amphiphiles in Water. Org Lett 2014; 16:4016-9. [DOI: 10.1021/ol501841f] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Jiang-Fei Xu
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials,
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of the Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Li-Ya Niu
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials,
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Yu-Zhe Chen
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials,
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Li-Zhu Wu
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials,
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Chen-Ho Tung
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials,
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Qing-Zheng Yang
- Key
Laboratory of Photochemical Conversion and Optoelectronic Materials,
Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
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