1
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Takimoto K, Shimada T, Nagura K, Hill JP, Nakanishi T, Yuge H, Ishihara S, Labuta J, Sato H. Thermo-/Mechano-Chromic Chiral Coordination Dimer: Formation of Switchable and Metastable Discrete Structure through Chiral Self-Sorting. J Am Chem Soc 2023; 145:25160-25169. [PMID: 37943955 DOI: 10.1021/jacs.3c05866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
Although strong chiral self-sorting often emerges in extended covalent or supramolecular polymers, the phenomenon is generally weak in discrete assemblies (e.g., dimers and oligomers) of small molecules due to the lack of a cooperative growth mechanism. Consequently, chiral self-sorting has been overlooked in the design of switchable and metastable discrete supramolecular structures. Here, we report a butyl-benzo[h]quinoline-based iridium(III) complex (Bu-Ir) with helical chirality at its metal center, which forms preferentially a homochiral dimer and exhibits thermo-/mechano-chromism based on a monomer-dimer transformation. While a five-coordinate monomer is formed in a racemic or an enantiopure Bu-Ir solution at 25 °C, a six-coordinate homochiral dimer complex is formed almost exclusively at low temperatures, with a higher degree of dimerization in enantiopure Bu-Ir solution. Estimation of apparent dimerization binding constants (K) and thermodynamic parameters (ΔH and ΔS) based on variable temperature ultraviolet-visible (UV-vis) and 1H NMR spectra reveals a strong preference for homochiral dimerization (largest known value for the coordination complex, Khomo/Khetero > 50). Notably, crystals of the homochiral dimer are metastable, undergoing a distinct color change upon grinding (from yellow to red) due to mechanical cleavage of coordination bonds (i.e., a dimer to monomer transformation). A comparison with control compounds having different substituents (proton, methyl, isopropyl, and phenyl groups) reveals that Bu-Ir dimerization involves both strong homochiral self-sorting preference and connected thermo-/mechano-chromic behavior, which is based on matched propeller-shaped chirality and subtle steric repulsion between alkyl substituents that render the homochiral dimer switchable and metastable. These findings provide substantial insights into the emergence of dynamic functionality based on the rational design of discrete chiral assemblies.
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Affiliation(s)
- Kazuyoshi Takimoto
- Graduate School of Science and Engineering, Ehime University, 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
- Department of Chemistry, School of Science, Kitasato University, 1-15-1 Kitazato, Minami-ku, Sagamihara, Kanagawa 252-0373, Japan
| | - Takumi Shimada
- Graduate School of Science and Engineering, Ehime University, 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
| | - Kazuhiko Nagura
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Jonathan P Hill
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Takashi Nakanishi
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Hidetaka Yuge
- Department of Chemistry, School of Science, Kitasato University, 1-15-1 Kitazato, Minami-ku, Sagamihara, Kanagawa 252-0373, Japan
| | - Shinsuke Ishihara
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Jan Labuta
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Hisako Sato
- Graduate School of Science and Engineering, Ehime University, 2-5 Bunkyo-cho, Matsuyama, Ehime 790-8577, Japan
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2
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Zhang D, Xiao Q, Rahimzadeh M, Liu M, Rodriguez-Emmenegger C, Miyazaki Y, Shinoda W, Percec V. Self-Assembly of Glycerol-Amphiphilic Janus Dendrimers Amplifies and Indicates Principles for the Selection of Stereochemistry by Biological Membranes. J Am Chem Soc 2023; 145:4311-4323. [PMID: 36749951 DOI: 10.1021/jacs.3c00389] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
The principles for the selection of the stereochemistry of phospholipids of biological membranes remain unclear and continue to be debated. Therefore, any new experiments on this topic may help progress in this field. To address this question, three libraries of constitutional isomeric glycerol-amphiphilic Janus dendrimers (JDs) with nonsymmetric homochiral, racemic, and symmetric achiral branching points were synthesized by an orthogonal-modular-convergent methodology. These JDs amplify self-assembly, and therefore, monodisperse vesicles known as dendrimersomes (DSs) with predictable dimensions programmed by JD concentration were assembled by rapid injection of their ethanol solution into water. DSs of homochiral JD enantiomers, racemic, including mixtures of different enantiomers, and achiral exhibited similar DS size-concentration dependence. However, the number of bilayers of DSs assembled from homochiral, achiral, and racemic JDs determined by cryo-TEM were different. Statistical analysis of the number of bilayers and coarse-grained molecular dynamics simulations demonstrated that homochiral JDs formed predominantly unilamellar DSs. Symmetric achiral JDs assembled only unilamellar DSs while racemic JDs favored multilamellar DSs. Since cell membranes are unilamellar, these results indicate a new rationale for nonsymmetric homochiral vs racemic selection. Simultaneously, these experiments imply that the symmetric achiral lipids forming more stable membrane, probably had been the preferable assemblies of prebiotic cell membranes.
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Affiliation(s)
- Dapeng Zhang
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Qi Xiao
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
- Institute of Computational Molecular Science, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Mehrnoush Rahimzadeh
- DWI─Leibniz Institute for Interactive Materials, Aachen 52074, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Aachen 52074, Germany
| | - Matthew Liu
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Cesar Rodriguez-Emmenegger
- DWI─Leibniz Institute for Interactive Materials, Aachen 52074, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Aachen 52074, Germany
| | - Yusuke Miyazaki
- Research Institute for Interdisciplinary Science, Okayama University, Okayama 700-8530, Japan
| | - Wataru Shinoda
- Research Institute for Interdisciplinary Science, Okayama University, Okayama 700-8530, Japan
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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3
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Percec V, Xiao Q. Helical Chirality of Supramolecular Columns and Spheres Self‐Organizes Complex Liquid Crystals, Crystals, and Quasicrystals. Isr J Chem 2021. [DOI: 10.1002/ijch.202100057] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Virgil Percec
- Roy & Diana Vagelos Laboratories Department of Chemistry University of Pennsylvania Philadelphia Pennsylvania 19104-6323 United States
| | - Qi Xiao
- Roy & Diana Vagelos Laboratories Department of Chemistry University of Pennsylvania Philadelphia Pennsylvania 19104-6323 United States
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4
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Percec V, Xiao Q. Helical Self-Organizations and Emerging Functions in Architectures, Biological and Synthetic Macromolecules. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210015] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, USA
| | - Qi Xiao
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, USA
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5
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Wang L, Partridge BE, Huang N, Olsen JT, Sahoo D, Zeng X, Ungar G, Graf R, Spiess HW, Percec V. Extraordinary Acceleration of Cogwheel Helical Self-Organization of Dendronized Perylene Bisimides by the Dendron Sequence Encoding Their Tertiary Structure. J Am Chem Soc 2020; 142:9525-9536. [DOI: 10.1021/jacs.0c03353] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Li Wang
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Benjamin E. Partridge
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Ning Huang
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - James T. Olsen
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Dipankar Sahoo
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Xiangbing Zeng
- Department of Materials Science and Engineering, University of Sheffield, Sheffield, S1 3JD, United Kingdom
| | - Goran Ungar
- Department of Materials Science and Engineering, University of Sheffield, Sheffield, S1 3JD, United Kingdom
- State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China
| | - Robert Graf
- Max-Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Hans W. Spiess
- Max-Planck Institute for Polymer Research, 55128 Mainz, Germany
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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6
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Langenstroer A, Kartha KK, Dorca Y, Droste J, Stepanenko V, Albuquerque RQ, Hansen MR, Sánchez L, Fernández G. Unraveling Concomitant Packing Polymorphism in Metallosupramolecular Polymers. J Am Chem Soc 2019; 141:5192-5200. [DOI: 10.1021/jacs.8b11011] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Anja Langenstroer
- Organisch-Chemisches Institut, Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Kalathil K. Kartha
- Organisch-Chemisches Institut, Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Yeray Dorca
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense, 28040 Madrid, Spain
| | - Jörn Droste
- Institut für Physikalische Chemie, Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
| | - Vladimir Stepanenko
- Institut für Organische Chemie, Universität Würzburg, Am Hubland 16, 97074 Würzburg, Germany
| | | | - Michael Ryan Hansen
- Institut für Physikalische Chemie, Universität Münster, Corrensstraße 28/30, 48149 Münster, Germany
| | - Luis Sánchez
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense, 28040 Madrid, Spain
| | - Gustavo Fernández
- Organisch-Chemisches Institut, Universität Münster, Corrensstraße 40, 48149 Münster, Germany
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7
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Buzzacchera I, Xiao Q, Han H, Rahimi K, Li S, Kostina NY, Toebes BJ, Wilner SE, Möller M, Rodriguez-Emmenegger C, Baumgart T, Wilson DA, Wilson CJ, Klein ML, Percec V. Screening Libraries of Amphiphilic Janus Dendrimers Based on Natural Phenolic Acids to Discover Monodisperse Unilamellar Dendrimersomes. Biomacromolecules 2019; 20:712-727. [PMID: 30354069 PMCID: PMC6571140 DOI: 10.1021/acs.biomac.8b01405] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Natural, including plant, and synthetic phenolic acids are employed as building blocks for the synthesis of constitutional isomeric libraries of self-assembling dendrons and dendrimers that are the simplest examples of programmed synthetic macromolecules. Amphiphilic Janus dendrimers are synthesized from a diversity of building blocks including natural phenolic acids. They self-assemble in water or buffer into vesicular dendrimersomes employed as biological membrane mimics, hybrid and synthetic cells. These dendrimersomes are predominantly uni- or multilamellar vesicles with size and polydispersity that is predicted by their primary structure. However, in numerous cases, unilamellar dendrimersomes completely free of multilamellar assemblies are desirable. Here, we report the synthesis and structural analysis of a library containing 13 amphiphilic Janus dendrimers containing linear and branched alkyl chains on their hydrophobic part. They were prepared by an optimized iterative modular synthesis starting from natural phenolic acids. Monodisperse dendrimersomes were prepared by injection and giant polydisperse by hydration. Both were structurally characterized to select the molecular design principles that provide unilamellar dendrimersomes in higher yields and shorter reaction times than under previously used reaction conditions. These dendrimersomes are expected to provide important tools for synthetic cell biology, encapsulation, and delivery.
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Affiliation(s)
- Irene Buzzacchera
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
- DWI−Leibniz Institute for Interactive Materials, RWTH Aachen University, 52074 Aachen, Germany
- NovioSense B.V., Transistorweg 5, 6534 AT Nijmegen, The Netherlands
| | - Qi Xiao
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
- Institute of Computational Molecular Science, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Hong Han
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Khosrow Rahimi
- DWI−Leibniz Institute for Interactive Materials, RWTH Aachen University, 52074 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074 Aachen, Germany
| | - Shangda Li
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Nina Yu. Kostina
- DWI−Leibniz Institute for Interactive Materials, RWTH Aachen University, 52074 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074 Aachen, Germany
| | - B. Jelle Toebes
- Institute of Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Samantha E. Wilner
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Martin Möller
- DWI−Leibniz Institute for Interactive Materials, RWTH Aachen University, 52074 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074 Aachen, Germany
| | - Cesar Rodriguez-Emmenegger
- DWI−Leibniz Institute for Interactive Materials, RWTH Aachen University, 52074 Aachen, Germany
- Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, 52074 Aachen, Germany
| | - Tobias Baumgart
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Daniela A. Wilson
- Institute of Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | | | - Michael L. Klein
- Institute of Computational Molecular Science, Temple University, Philadelphia, Pennsylvania 19122, United States
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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8
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You LX, Xie SY, Xia CC, Wang SJ, Xiong G, He YK, Dragutan I, Dragutan V, Fedin VP, Sun YG. Unprecedented homochiral 3D lanthanide coordination polymers with triple-stranded helical architecture constructed from a rigid achiral aryldicarboxylate ligand. CrystEngComm 2019. [DOI: 10.1039/c8ce01242c] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Luminescence and second harmonic generation activity of a series of homochiral 3D Ln-CPs were studied.
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Affiliation(s)
- Li-Xin You
- Key Laboratory of Inorganic Molecule-Based Chemistry of Liaoning Province
- Shenyang University of Chemical Technology
- Shenyang
- China
| | - Shi-Yu Xie
- Key Laboratory of Inorganic Molecule-Based Chemistry of Liaoning Province
- Shenyang University of Chemical Technology
- Shenyang
- China
| | - Cheng-Cai Xia
- Key Laboratory of Inorganic Molecule-Based Chemistry of Liaoning Province
- Shenyang University of Chemical Technology
- Shenyang
- China
| | - Shu-Ju Wang
- Key Laboratory of Inorganic Molecule-Based Chemistry of Liaoning Province
- Shenyang University of Chemical Technology
- Shenyang
- China
| | - Gang Xiong
- Key Laboratory of Inorganic Molecule-Based Chemistry of Liaoning Province
- Shenyang University of Chemical Technology
- Shenyang
- China
| | - Yong-Ke He
- Key Laboratory of Inorganic Molecule-Based Chemistry of Liaoning Province
- Shenyang University of Chemical Technology
- Shenyang
- China
| | - Ileana Dragutan
- Institute of Organic Chemistry
- Romanian Academy Bucharest
- Romania
| | | | - Vladimir P. Fedin
- Nikolaev Institute of Inorganic Chemistry SB RAS
- Novosibirsk
- Russian Federation
| | - Ya-Guang Sun
- Key Laboratory of Inorganic Molecule-Based Chemistry of Liaoning Province
- Shenyang University of Chemical Technology
- Shenyang
- China
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9
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Barkley DA, Han SU, Koga T, Rudick JG. Peptide-Dendron Hybrids that Adopt Sequence-Encoded β-Sheet Conformations. Polym Chem 2018; 9:4994-5001. [PMID: 30923581 PMCID: PMC6433408 DOI: 10.1039/c8py00882e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Rational design rules for programming hierarchical organization and function through mutations of monomers in sequence-defined polymers can accelerate the development of novel polymeric and supramolecular materials. Our strategy for designing peptide-dendron hybrids that adopt predictable secondary and quaternary structures in bulk is based on patterning the sites at which dendrons are conjugated to short peptides. To validate this approach, we have designed and characterized a series of β-sheet-forming peptide-dendron hybrids. Spectroscopic studies of the hybrids in films reveal that the peptide portion of the hybrids adopts the intended secondary structure.
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Affiliation(s)
- Deborah A. Barkley
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Sang Uk Han
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
| | - Tadanori Koga
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
- Department of Materials Science and Engineering, Stony Brook University, Stony Brook, New York 11794, United States
| | - Jonathan G. Rudick
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794, United States
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10
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Grafskaia KN, Anokhin DV, Zimka BI, Izdelieva IA, Zhu X, Ivanov DA. An "on-off" switchable cubic phase with exceptional thermal stability and water sorption capacity. Chem Commun (Camb) 2018; 53:13217-13220. [PMID: 29171595 DOI: 10.1039/c7cc08003d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report on the phase behaviour of a wedge-shaped mesogen, which can exist in two different states at room temperature, a stable columnar and a metastable cubic gyroid phase. The latter reveals exceptional stability and remarkable water sorption capacity accounted for by the locally-ordered peripheral alkyl chains.
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Affiliation(s)
- K N Grafskaia
- Moscow Institute of Physics and Technology (State University), Institutskiy per. 9, Dolgoprudny, 141700, Russia.
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11
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Dolgopolov A, Grafskaia KN, Anokhin DV, Demco DE, Zhu X, Ivanov DA, Möller M. Humidity-induced formation of water channels in supramolecular assemblies of wedge-shaped amphiphiles: the effect of the molecular architecture on the channel topology. Phys Chem Chem Phys 2017; 19:7714-7720. [DOI: 10.1039/c6cp08087a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Absorption of water by wedge-shaped amphiphilic mesogens results in the formation of nanometer-sized water channels in the supramolecular structure that can have 1D or 2D-shape.
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Affiliation(s)
- A. Dolgopolov
- DWI – Leibniz-Institute for Interactive Materials e.V. and Institute for Technical and Macromolecular Chemistry of RWTH Aachen University
- D-52056 Aachen
- Germany
| | - K. N. Grafskaia
- Moscow Institute of Physics and Technology (State University)
- Dolgoprudny
- Russia
| | - D. V. Anokhin
- Moscow Institute of Physics and Technology (State University)
- Dolgoprudny
- Russia
- Lomonosov Moscow State University
- Faculty of Fundamental Physical and Chemical Engineering
| | - D. E. Demco
- DWI – Leibniz-Institute for Interactive Materials e.V. and Institute for Technical and Macromolecular Chemistry of RWTH Aachen University
- D-52056 Aachen
- Germany
| | - X. Zhu
- DWI – Leibniz-Institute for Interactive Materials e.V. and Institute for Technical and Macromolecular Chemistry of RWTH Aachen University
- D-52056 Aachen
- Germany
| | - D. A. Ivanov
- Moscow Institute of Physics and Technology (State University)
- Dolgoprudny
- Russia
- Lomonosov Moscow State University
- Faculty of Fundamental Physical and Chemical Engineering
| | - M. Möller
- DWI – Leibniz-Institute for Interactive Materials e.V. and Institute for Technical and Macromolecular Chemistry of RWTH Aachen University
- D-52056 Aachen
- Germany
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12
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Marine JE, Song S, Liang X, Rudick JG. Synthesis and Self-Assembly of Bundle-Forming α-Helical Peptide-Dendron Hybrids. Biomacromolecules 2016; 17:336-44. [PMID: 26674475 PMCID: PMC4710556 DOI: 10.1021/acs.biomac.5b01452] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Dendronized helix bundle assemblies combine the sequence diversity and folding properties of proteins with the tailored physical properties of dendrimers. Assembly of peptide-dendron hybrids into α-helical bundles encapsulates the helix bundle motif in a dendritic sheath that will allow the functional, protein-like domain to be transplanted to nonbiological environments. A bioorthogonal graft-to synthetic strategy for preparing helix bundle-forming peptide-dendron hybrids is described herein for hybrids 1a, 1b, and 2. Titration experiments monitored by circular dichroism spectroscopy support our self-assembly model for how the peptide-dendron hybrids self-assemble into α-helical bundles with the dendrons on outside of the bundle.
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Affiliation(s)
- Jeannette E. Marine
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
| | - Shuang Song
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
| | - Xiaoli Liang
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
| | - Jonathan G. Rudick
- Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States
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13
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A supramolecular helix that disregards chirality. Nat Chem 2015; 8:80-9. [DOI: 10.1038/nchem.2397] [Citation(s) in RCA: 121] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2015] [Accepted: 10/14/2015] [Indexed: 01/29/2023]
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14
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Maity S, Das P, Reches M. Inversion of Supramolecular Chirality by Sonication-Induced Organogelation. Sci Rep 2015; 5:16365. [PMID: 26553508 PMCID: PMC4639836 DOI: 10.1038/srep16365] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Accepted: 10/09/2015] [Indexed: 11/08/2022] Open
Abstract
Natural helical structures have inspired the formation of well-ordered peptide-based chiral nanostructures in vitro. These structures have drawn much attention owing to their diverse applications in the area of asymmetric catalysts, chiral photonic materials, and nanoplasmonics. The self-assembly of two enantiomeric fluorinated aromatic dipeptides into ordered chiral fibrillar nanostructures upon sonication is described. These fibrils form organogels. Our results clearly indicate that fluorine-fluorine interactions play an important role in self-assembly. Circular dichroism analysis revealed that both peptides (peptides 1 and 2), containing two fluorines, depicted opposite cotton effects in their monomeric form compared with their aggregated form. This shows that supramolecular chirality inversion took place during the stimuli-responsive self-aggregation process. Conversely, peptide 3, containing one fluorine, did not exhibit chirality inversion in sonication-induced organogelation. Therefore, our results clearly indicate that fluorination plays an important role in the organogelation process of these aromatic dipeptides. Our findings may have broad implications regarding the design of chiral nanostructures for possible applications such as chiroptical switches, asymmetric catalysis, and chiral recognitions.
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Affiliation(s)
- Sibaprasad Maity
- Institute of Chemistry, The Hebrew University of Jerusalem, 91904, Jerusalem, Israel
- The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, 91904, Jerusalem, Israel
| | - Priyadip Das
- Institute of Chemistry, The Hebrew University of Jerusalem, 91904, Jerusalem, Israel
- The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, 91904, Jerusalem, Israel
| | - Meital Reches
- Institute of Chemistry, The Hebrew University of Jerusalem, 91904, Jerusalem, Israel
- The Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, 91904, Jerusalem, Israel
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Effects of dendritic core-shell glycoarchitectures on primary mesenchymal stem cells and osteoblasts obtained from different human donors. J Nanobiotechnology 2015; 13:65. [PMID: 26449656 PMCID: PMC4597403 DOI: 10.1186/s12951-015-0128-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Accepted: 09/24/2015] [Indexed: 11/10/2022] Open
Abstract
The biological impact of novel nano-scaled drug delivery vehicles in highly topical therapies of bone diseases have to be investigated in vitro before starting in vivo trials. Highly desired features for these materials are a good cellular uptake, large transport capacity for drugs and a good bio-compatibility. Essentially the latter has to be addressed as first point on the agenda. We present a study on the biological interaction of maltose-modified poly(ethyleneimine) (PEI-Mal) on primary human mesenchymal stem cell, harvested from reaming debris (rdMSC) and osteoblasts obtained from four different male donors. PEI-Mal-nanoparticles with two different molecular weights of the PEI core (5000 g/mol for PEI-5k-Mal-B and 25,000 g/mol for PEI-25k-Mal-B) have been administered to both cell lines. As well dose as incubation-time dependent effects and interactions have been researched for concentrations between 1 μg/ml to 1 mg/ml and periods of 24 h up to 28 days. Studies conducted by different methods of microscopy as light microscopy, fluorescence microscopy, transmission-electron-microscopy and quantitative assays (LDH and DC-protein) indicate as well a good cellular uptake of the nanoparticles as a particle- and concentration-dependent impact on the cellular macro- and micro-structure of the rdMSC samples. In all experiments PEI-5k-Mal-B exhibits a superior biocompatibility compared to PEI-25k-Mal-B. At higher concentrations PEI-25k-Mal-B is toxic and induces a directly observable mitochondrial damage. The alkaline phosphatase assay (ALP), has been conducted to check on the possible influence of nanoparticles on the differentiation capabilities of rdMSC to osteoblasts. In addition the production of mineralized matrix has been shown by von-Kossa stained samples. No influence of the nanoparticles on the ALP per cell has been detected. Additionally, for all experiments, results are strongly influenced by a large donor-to-donor variability of the four different rdMSC samples. To summarize, while featuring a good cellular uptake, PEI-5k-Mal-B induces only minimal adverse effects and features clearly superior biocompatibility compared to the larger PEI-25k-Mal-B.
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Striegler C, Schumacher M, Effenberg C, Müller M, Seckinger A, Schnettler R, Voit B, Hose D, Gelinsky M, Appelhans D. Dendritic Glycopolymer as Drug Delivery System for Proteasome Inhibitor Bortezomib in a Calcium Phosphate Bone Cement: First Steps Toward a Local Therapy of Osteolytic Bone Lesions. Macromol Biosci 2015; 15:1283-95. [PMID: 26018141 DOI: 10.1002/mabi.201500085] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 04/23/2015] [Indexed: 12/29/2022]
Abstract
Establishment of drug delivery system (DDS) in bone substitute materials for local treatment of bone defects still requires ambitious solutions for a retarded drug release. We present two novel DDS, a weakly cationic dendritic glycopolymer and a cationic polyelectrolyte complex, composed of dendritic glycopolymer and cellulose sulfate, for the proteasome inhibitor bortezomib. Both DDS are able to induce short-term retarded release of bortezomib from calcium phosphate bone cement in comparison to a burst-release of the drug from bone cement alone. Different release parameters have been evaluated to get a first insight into the release mechanism from bone cements. In addition, biocompatibility of the calcium phosphate cement, modified with the new DDS was investigated using human mesenchymal stromal cells.
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Affiliation(s)
- Christin Striegler
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany.,Organic Chemistry of Polymers, Technische Universität Dresden, 01062 Dresden, Germany
| | - Matthias Schumacher
- Centre for Translational Bone, Joint and Soft Tissue Research, Medical Faculty and University Hospital, Technische Universität Dresden, Fetscherstr. 74, 01307 Dresden, Germany
| | - Christiane Effenberg
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany
| | - Martin Müller
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany
| | - Anja Seckinger
- Department of Internal Medicine V, Section Multiple Myeloma, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
| | - Reinhard Schnettler
- Laboratory for Experimental Trauma Surgery, Justus-Liebig-University Gießen, Schubertstr. 81, 35392 Giessen, Germany
| | - Brigitte Voit
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany.,Organic Chemistry of Polymers, Technische Universität Dresden, 01062 Dresden, Germany
| | - Dirk Hose
- Department of Internal Medicine V, Section Multiple Myeloma, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany.
| | - Michael Gelinsky
- Centre for Translational Bone, Joint and Soft Tissue Research, Medical Faculty and University Hospital, Technische Universität Dresden, Fetscherstr. 74, 01307 Dresden, Germany.
| | - Dietmar Appelhans
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, 01069 Dresden, Germany.
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17
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Sun HJ, Zhang S, Percec V. From structure to function via complex supramolecular dendrimer systems. Chem Soc Rev 2015; 44:3900-23. [DOI: 10.1039/c4cs00249k] [Citation(s) in RCA: 222] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Self-assembly of quasi-equivalent amphiphilic dendrons into secondary and tertiary structures and their self-organization into periodic arrays.
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Affiliation(s)
- Hao-Jan Sun
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Shaodong Zhang
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories
- Department of Chemistry
- University of Pennsylvania
- Philadelphia
- USA
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18
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Miguel-Coello AB, Bardají M, Coco S, Donnio B, Heinrich B, Espinet P. H-bonded adducts of [2,4,6-{(C10H21O)3C6H2NH}3C3N3] with [LnM{PPh2(C6H4CO2H)}] displaying Columnar Mesophases at Room Temperature. Inorg Chem 2014; 53:10893-902. [DOI: 10.1021/ic501039n] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Ana B. Miguel-Coello
- IU CINQUIMA/Química Inorgánica,
Facultad de Ciencias, Universidad de Valladolid, E-47071 Valladolid, Spain
| | - Manuel Bardají
- IU CINQUIMA/Química Inorgánica,
Facultad de Ciencias, Universidad de Valladolid, E-47071 Valladolid, Spain
| | - Silverio Coco
- IU CINQUIMA/Química Inorgánica,
Facultad de Ciencias, Universidad de Valladolid, E-47071 Valladolid, Spain
| | - Bertrand Donnio
- Institut de Physique et Chimie des Matériaux
de Strasbourg (IPCMS), UMR 7504 (CNRS−Université de Strasbourg), 23 rue
du Loess, BP 43, 67034 Strasbourg Cedex 2, France
- Complex Assemblies
of Soft Matter Laboratory (COMPASS), UMI 3254 (CNRS−SOLVAY−University of Pennsylvania), CRTB, 350 George Patterson Boulevard, Bristol, Pennsylvania 19007, United States
| | - Benoît Heinrich
- Institut de Physique et Chimie des Matériaux
de Strasbourg (IPCMS), UMR 7504 (CNRS−Université de Strasbourg), 23 rue
du Loess, BP 43, 67034 Strasbourg Cedex 2, France
| | - Pablo Espinet
- IU CINQUIMA/Química Inorgánica,
Facultad de Ciencias, Universidad de Valladolid, E-47071 Valladolid, Spain
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19
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Dai Y, Zhao X, Su X, Li G, Zhang A. Supramolecular Assembly of C3Peptidic Molecules into Helical Polymers. Macromol Rapid Commun 2014; 35:1326-31. [DOI: 10.1002/marc.201400158] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 04/12/2014] [Indexed: 01/15/2023]
Affiliation(s)
- Yutang Dai
- Laboratory of Polymer Chemistry; Department of Polymer Materials, College of Materials Science and Engineering; Department of Chemistry; Shanghai University; Materials Building Room 447, Nanchen Street 333 Shanghai 200444 China
| | - Xin Zhao
- Laboratory of Polymer Chemistry; Department of Polymer Materials, College of Materials Science and Engineering; Department of Chemistry; Shanghai University; Materials Building Room 447, Nanchen Street 333 Shanghai 200444 China
| | - Xinyan Su
- Laboratory of Polymer Chemistry; Department of Polymer Materials, College of Materials Science and Engineering; Department of Chemistry; Shanghai University; Materials Building Room 447, Nanchen Street 333 Shanghai 200444 China
| | - Guangyu Li
- Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 China
| | - Afang Zhang
- Laboratory of Polymer Chemistry; Department of Polymer Materials, College of Materials Science and Engineering; Department of Chemistry; Shanghai University; Materials Building Room 447, Nanchen Street 333 Shanghai 200444 China
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20
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Roche C, Sun HJ, Prendergast ME, Leowanawat P, Partridge BE, Heiney PA, Araoka F, Graf R, Spiess HW, Zeng X, Ungar G, Percec V. Homochiral columns constructed by chiral self-sorting during supramolecular helical organization of hat-shaped molecules. J Am Chem Soc 2014; 136:7169-85. [PMID: 24758745 DOI: 10.1021/ja5035107] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A library of dendronized cyclotriveratrylene (CTV) crowns substituted with chiral, racemic, or achiral peripheral alkyl chains, including enantiopure R and S branched alkyls, "racemic by mixture", "racemic by synthesis", n-octyl, and n-dodecyl groups was synthesized. In solvophobic solvents and in bulk they self-assemble in helical columns. Their solution and bulk shape-persistent supramolecular structures were determined by a complementary combination of circular dichroism (CD) and UV in solution and thin film, microspot CD in thin film, differential scanning calorimetry combined with fiber X-ray diffraction, computer simulation, and molecular models. In solution, self-assembly via a cooperative mechanism generates single-handed columns from enantiopure CTVs and mixtures of right- and left-handed columns from racemic by mixture, racemic by synthesis, other combinations of R and S, and even from achiral compounds. In bulk state all supramolecular columns form a 3D hexagonal crystalline phase, Φ(h)(k) (P6₃ symmetry), that can be obtained only from single-handed columns and a columnar hexagonal 2D liquid crystal, Φ(h). The highest order Φ(h)(k) consists of enantiopure single-handed columns that are slightly distorted 12-fold triple helices. The "hat-shaped" dendronized CTV assembles in bent-branch pine-tree columns that allow interdigitation of alkyl groups in adjacent columns regardless of their direction. Enantiomerically rich, racemic, and achiral compositions undergo deracemization in the crystal state by transfer of the transient disc-like conformer of dendronized CTV from column to column during crown inversion. Solid state NMR experiments identified motional processes that allow such transfer. This unprecedented supramolecular chiral self-sorting will impact the creation of functions in complex systems.
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Affiliation(s)
- Cécile Roche
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania , Philadelphia, Pennsylvania 19104-6323, United States
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From Synthetic Macromolecules to Biological-Like Complex Systems. HIERARCHICAL MACROMOLECULAR STRUCTURES: 60 YEARS AFTER THE STAUDINGER NOBEL PRIZE I 2013. [DOI: 10.1007/12_2013_273] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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22
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Nanomechanical Function Arising from the Complex Architecture of Dendronized Helical Polymers. HIERARCHICAL MACROMOLECULAR STRUCTURES: 60 YEARS AFTER THE STAUDINGER NOBEL PRIZE II 2013. [DOI: 10.1007/12_2013_241] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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