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Lu J, Atochina-Vasserman EN, Maurya DS, Shalihin MI, Zhang D, Chenna SS, Adamson J, Liu M, Shah HUR, Shah H, Xiao Q, Queeley B, Ona NA, Reagan EK, Ni H, Sahoo D, Peterca M, Weissman D, Percec V. Screening Libraries to Discover Molecular Design Principles for the Targeted Delivery of mRNA with One-Component Ionizable Amphiphilic Janus Dendrimers Derived from Plant Phenolic Acids. Pharmaceutics 2023; 15:1572. [PMID: 37376020 DOI: 10.3390/pharmaceutics15061572] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/13/2023] [Accepted: 05/14/2023] [Indexed: 06/29/2023] Open
Abstract
Viral and synthetic vectors to deliver nucleic acids were key to the rapid development of extraordinarily efficient COVID-19 vaccines. The four-component lipid nanoparticles (LNPs), containing phospholipids, PEG-conjugated lipids, cholesterol, and ionizable lipids, co-assembled with mRNA via a microfluidic technology, are the leading nonviral delivery vector used by BioNTech/Pfizer and Moderna to access COVID-19 mRNA vaccines. LNPs exhibit a statistical distribution of their four components when delivering mRNA. Here, we report a methodology that involves screening libraries to discover the molecular design principles required to realize organ-targeted mRNA delivery and mediate activity with a one-component ionizable multifunctional amphiphilic Janus dendrimer (IAJD) derived from plant phenolic acids. IAJDs co-assemble with mRNA into monodisperse dendrimersome nanoparticles (DNPs) with predictable dimensions, via the simple injection of their ethanol solution in a buffer. The precise location of the functional groups in one-component IAJDs demonstrated that the targeted organs, including the liver, spleen, lymph nodes, and lung, are selected based on the hydrophilic region, while activity is associated with the hydrophobic domain of IAJDs. These principles, and a mechanistic hypothesis to explain activity, simplify the synthesis of IAJDs, the assembly of DNPs, handling, and storage of vaccines, and reduce price, despite employing renewable plant starting materials. Using simple molecular design principles will lead to increased accessibility to a large diversity of mRNA-based vaccines and nanotherapeutics.
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Affiliation(s)
- Juncheng Lu
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Elena N Atochina-Vasserman
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Devendra S Maurya
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Muhammad Irhash Shalihin
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Dapeng Zhang
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Srijay S Chenna
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Jasper Adamson
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Matthew Liu
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Habib Ur Rehman Shah
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Honey Shah
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Qi Xiao
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Bryn Queeley
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Nathan A Ona
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Erin K Reagan
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Houping Ni
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Dipankar Sahoo
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Mihai Peterca
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Drew Weissman
- Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
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Percec V, Sahoo D, Adamson J. Stimuli-Responsive Principles of Supramolecular Organizations Emerging from Self-Assembling and Self-Organizable Dendrons, Dendrimers, and Dendronized Polymers. Polymers (Basel) 2023; 15:polym15081832. [PMID: 37111979 PMCID: PMC10142069 DOI: 10.3390/polym15081832] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/05/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
All activities of our daily life, of the nature surrounding us and of the entire society and its complex economic and political systems are affected by stimuli. Therefore, understanding stimuli-responsive principles in nature, biology, society, and in complex synthetic systems is fundamental to natural and life sciences. This invited Perspective attempts to organize, to the best of our knowledge, for the first time the stimuli-responsive principles of supramolecular organizations emerging from self-assembling and self-organizable dendrons, dendrimers, and dendronized polymers. Definitions of stimulus and stimuli from different fields of science are first discussed. Subsequently, we decided that supramolecular organizations of self-assembling and self-organizable dendrons, dendrimers, and dendronized polymers may fit best in the definition of stimuli from biology. After a brief historical introduction to the discovery and development of conventional and self-assembling and self-organizable dendrons, dendrimers, and dendronized polymers, a classification of stimuli-responsible principles as internal- and external-stimuli was made. Due to the enormous amount of literature on conventional dendrons, dendrimers, and dendronized polymers as well as on their self-assembling and self-organizable systems we decided to discuss stimuli-responsive principles only with examples from our laboratory. We apologize to all contributors to dendrimers and to the readers of this Perspective for this space-limited decision. Even after this decision, restrictions to a limited number of examples were required. In spite of this, we expect that this Perspective will provide a new way of thinking about stimuli in all fields of self-organized complex soft matter.
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Affiliation(s)
- Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Dipankar Sahoo
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
- Department of Medicine, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
| | - Jasper Adamson
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104-6323, USA
- Chemical Physics Laboratory, National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618 Tallinn, Estonia
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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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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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Zhou Q, Guo M, Ni K, Kerton FM. Construction of supramolecular laccase enzymes and understanding of catalytic dye degradation using multispectral and molecular docking approaches. REACT CHEM ENG 2021. [DOI: 10.1039/d1re00111f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A non-covalent supramolecular enzyme system which was successfully constructed by non-covalent interaction of enzyme with substrates analogs can effectively recognize and degrade 13 kinds of dyes.
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Affiliation(s)
- Qingteng Zhou
- College of Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Ming Guo
- College of Engineering, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
- College of Science, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Kaijie Ni
- College of Science, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
| | - Francesca M. Kerton
- Department of Chemistry, Memorial University of Newfoundland, St. John's, NL, Canada A1B 3X7
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Percec V, Xiao Q, Lligadas G, Monteiro MJ. Perfecting self-organization of covalent and supramolecular mega macromolecules via sequence-defined and monodisperse components. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.123252] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Huang J, Ren H, Zhang R, Wu L, Zhai Y, Meng Q, Wang J, Su Z, Zhang R, Dai S, Cheng SZD, Huang M. Supramolecular Self-Assembly of Perylene Bisimide-Based Rigid Giant Tetrahedra. ACS NANO 2020; 14:8266-8275. [PMID: 32579333 DOI: 10.1021/acsnano.0c01971] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Recently, ordered structures constructed from rigid three-dimensional (3D) shaped polyhedra have been drawing general interest, with the tetrahedron being the simplest one but showing complicated assembly behaviors. Rigid tetrahedron building blocks have been shown to form quasicrystalline and crystalline phases with high packing fractions by both simulation and experiments. Nevertheless, the study of 3D tetrahedral building blocks is limited, especially in the field of supramolecular self-assembly. Here, we present an experimental study of rigid giant tetrahedral molecules constructed by attaching four bulky polyhedral oligomeric silsesquioxane (POSS) cages to a tetrahedral perylene bisimide (PBI) scaffold. Self-assembly of these giant tetrahedra is mediated by π-π interaction between the tetrahedral PBI-based scaffolds and their overall tetrahedral symmetry. A monolithic nearly centimeter-sized hexagonal supramolecular structure was observed in the giant tetrahedron with short flexible linkers between PBI and POSS cages, while a micrometer-sized crystalline helical structure formed in that with completely rigid aromatic linkers. Their significant difference in electrical conductivity could be explained by two completely different packing models of the giant tetrahedra.
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Affiliation(s)
- Jiahao Huang
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Department of Polymer Science, College of Polymer Science and Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
| | - He Ren
- Department of Polymer Science, College of Polymer Science and Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
- Beijing Institute of Aeronautical Materials, Beijing 100095, China
| | - Rongchun Zhang
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Lidong Wu
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Chinese Academy of Fishery Sciences, Beijing 100141, China
| | - Yuanming Zhai
- Analytical & Testing Centre, Sichuan University, Chengdu, Sichuan 610064, China
| | - Qingyi Meng
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Chinese Academy of Fishery Sciences, Beijing 100141, China
| | - Jing Wang
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Zebin Su
- Department of Polymer Science, College of Polymer Science and Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
| | - Ruimeng Zhang
- Department of Polymer Science, College of Polymer Science and Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
| | - Shuqi Dai
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Stephen Z D Cheng
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Department of Polymer Science, College of Polymer Science and Polymer Engineering, University of Akron, Akron, Ohio 44325, United States
| | - Mingjun Huang
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou 510640, China
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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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Percec V. Merging Macromolecular and Supramolecular Chemistry into Bioinspired Synthesis of Complex Systems. Isr J Chem 2020. [DOI: 10.1002/ijch.202000004] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry and Laboratory for Research on the Structure of MatterUniversity of Pennsylvania, Philadelphia Pennsylvania 19104-6323 United States
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Affiliation(s)
- Takuzo Aida
- Riken Center for Emergent Matter Science 2-1 Hirosawa Wako, Saitama 351-0198 Japan
- Department of Chemistry and Biotechnology, School of EngineeringThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - E.W. Meijer
- Institute for Complex Molecular SystemsEindhoven University of Technology, P.O. Box 513 5600 Eindhoven the Netherlands
- Laboratories of Macromolecular and Organic ChemistryEindhoven University of Technology, P.O. Box 513 5600 Eindhoven the Netherlands
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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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12
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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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Srinivasan MV, Kannan P, Roy A. Photo and electrically switchable behavior of azobenzene containing pendant bent‐core liquid crystalline polymers. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26455] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
| | - P. Kannan
- Department of Chemistry, Anna University, Chennai, India
| | - A. Roy
- Soft Condensed Matter, Raman Research Institute, Bangaluru, India
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Jiménez J, Laguna A, Gascón E, Sanz JA, Serrano JL, Barberá J, Oriol L. New Liquid Crystalline Materials Based on Two Generations of Dendronised Cyclophosphazenes. Chemistry 2012; 18:16801-14. [DOI: 10.1002/chem.201202748] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 09/04/2012] [Indexed: 11/08/2022]
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Song J, Lee E, Cho BK. Clicked (AB)2
C-type miktoarm terpolymers: Synthesis, thermal and self-assembly properties, and preparation of nanoporous materials. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26403] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Zheng JF, Yu ZQ, Liu X, Chen XF, Yang S, Chen EQ. Side-chain liquid-crystalline polymers based on flexible rod-like mesogen directly attached to backbone. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26337] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Fan X, Tang T, Huang K, Wang G, Huang J. Synthesis of branch-ring-branch tadpole-shaped [linear-poly(ε-caprolactone)]-b
-[cyclic-poly(ethylene oxide)]-b
- [linear-poly(ε-caprolactone)] by combination of glaser coupling reaction with ring-opening polymerization. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26096] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Huang B, Fan X, Wang G, Zhang Y, Huang J. Synthesis of twin-tail tadpole-shaped (cyclic polystyrene)- block-[linear poly (tert-butyl acrylate)]2 by combination of glaser coupling reaction with living anionic polymerization and atom transfer radical polymerization. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/pola.26021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Percec V, Imam MR, Peterca M, Leowanawat P. Self-Organizable Vesicular Columns Assembled from Polymers Dendronized with Semifluorinated Janus Dendrimers Act As Reverse Thermal Actuators. J Am Chem Soc 2012; 134:4408-20. [DOI: 10.1021/ja2118267] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Mohammad R. Imam
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Mihai Peterca
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Pawaret Leowanawat
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
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Percec V, Johansson G, Schlueter D, Ronda JC, Ungar G. Molecular recognition directed self-assembly of tubular supramolecular architectures from building blocks containing monodendrons as exo
-receptors and crown- or pseudo-crown-ethers as endo
-receptors. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/masy.19961010107] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Percec V, Johansson G. From liquid crystal polymers containing crown ethers to tapered building blocks containing crown ethers which self-assemble into tubular supermolecules. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/masy.19950960117] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Ungar G, Zhou J, Percec V, Chu P. Nematic, smectic and columnar phases of main-chain liquid crystal polyethers. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/masy.19950980183] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Ma J, Ma X, Deng S, Li F, Hu A. Synthesis of dendronized polymers through bergman cyclization of enediyne-containing Frechet-type dendrimers. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/pola.24556] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Kanie K, Sekiguchi J, Zeng X, Ungar G, Muramatsu A. Phospholipids with a stimuli-responsive thermotropic liquid-crystalline moiety. Chem Commun (Camb) 2011; 47:6885-7. [DOI: 10.1039/c1cc11843a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Shcherbina MA, Zeng XB, Tadjiev T, Ungar G, Eichhorn SH, Phillips KES, Katz TJ. Hollow six-stranded helical columns of a helicene. Angew Chem Int Ed Engl 2009; 48:7837-40. [PMID: 19739171 DOI: 10.1002/anie.200903658] [Citation(s) in RCA: 92] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Maxim A Shcherbina
- Department of Engineering Materials, University of Sheffield, Sheffield, S1 3JD, UK
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30
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Rosen BM, Wilson CJ, Wilson DA, Peterca M, Imam MR, Percec V. Dendron-Mediated Self-Assembly, Disassembly, and Self-Organization of Complex Systems. Chem Rev 2009; 109:6275-540. [DOI: 10.1021/cr900157q] [Citation(s) in RCA: 1066] [Impact Index Per Article: 71.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Brad M. Rosen
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Christopher J. Wilson
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Daniela A. Wilson
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Mihai Peterca
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Mohammad R. Imam
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
| | - Virgil Percec
- Roy & Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323
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31
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Shcherbina M, Zeng XB, Tadjiev T, Ungar G, Eichhorn S, Phillips K, Katz T. Hollow Six-Stranded Helical Columns of a Helicene. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200903658] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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32
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Imam MR, Peterca M, Edlund U, Balagurusamy VSK, Percec V. Dendronized supramolecular polymers self-assembled from dendritic ionic liquids. ACTA ACUST UNITED AC 2009. [DOI: 10.1002/pola.23523] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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33
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Lligadas G, Percec V. A comparative analysis of SET-LRP of MA in solvents mediating different degrees of disproportionation of Cu(I)Br. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/pola.22998] [Citation(s) in RCA: 130] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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34
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Chvalun SN, Shcherbina MA, Yakunin AN, Blackwell J, Percec V. Structure of gyroid mesophase formed by monodendrons with fluorinated alkyl tails. POLYMER SCIENCE SERIES A 2007. [DOI: 10.1134/s0965545x07020083] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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35
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Zubarev ER, Sone ED, Stupp SI. The Molecular Basis of Self-Assembly of Dendron–Rod–Coils into One-Dimensional Nanostructures. Chemistry 2006; 12:7313-27. [PMID: 16892475 DOI: 10.1002/chem.200600619] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
We describe here a comprehensive study of solution and solid-state properties of self-assembling triblock molecules composed of a hydrophilic dendron covalently linked to an aromatic rigid rod segment, which is in turn connected to a hydrophobic flexible coil. These dendron-rod-coil (DRC) molecules form well-defined supramolecular structures that possess a ribbonlike morphology as revealed by transmission-electron and atomic-force microscopy. In a large variety of aprotic solvents, the DRC ribbons create stable networks that form gels at concentrations as low as 0.2% by weight DRC. The gels are thermally irreversible and do not melt at elevated temperatures, indicating high stability as a result of strong noncovalent interactions among DRC molecules. NMR experiments show that the strong interactions leading to aggregation involve mainly the dendron and rodlike blocks, whereas oligoisoprene coil segments remain solvated after gelation. Small-angle X-ray scattering (SAXS) profiles of different DRC molecules demonstrate an excellent correlation between the degree-of-order in the solid-state and the stability of gels. Studies on two series of analogous molecules suggest that self-assembly is very sensitive to subtle structural changes and requires the presence of at least four hydroxyl groups in the dendron, two biphenyl units in the rod, and a coil segment with a size comparable to that of the rodlike block. A detailed analysis of crystal structures of model compounds revealed the formation of stable one-dimensional structures that involve two types of noncovalent interactions, aromatic pi-pi stacking and hydrogen bonding. Most importantly, the crystal structure of the rod-dendron compound shows that hydrogen bonding not only drives the formation of head-to-head cyclic structures, but also generates multiple linkages between them along the stacking direction. The cyclic structures are tetrameric in nature and stack into ribbonlike objects. We believe that DRC molecules utilize the same arrangement of hydrogen bonds and stacking of aromatic blocks observed in the crystals, explaining the exceptional stability of the nanostructures in extremely dilute solutions as well the thermal stability of the gels they form. This study provides mechanistic insights on self-assembly of triblock molecules, and unveils general strategies to create well-defined one-dimensional supramolecular objects.
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Affiliation(s)
- Eugene R Zubarev
- Department of Chemistry, Feinberg School of Medicine, Northwestern University, Evanston, IL 60208, USA
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36
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Percec V. Self-Assembly of Viruses as Models for the Design of new Macromolecular and supramolecular architectures. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2006. [DOI: 10.1080/10601329608014921] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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37
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Wackerly JW, Moore JS. Cooperative Self-Assembly of Oligo(m-phenyleneethynylenes) into Supramolecular Coordination Polymers. Macromolecules 2006. [DOI: 10.1021/ma061331k] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jay Wm. Wackerly
- Departments of Chemistry and Materials Science and Engineering, Roger Adams Laboratory, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801
| | - Jeffrey S. Moore
- Departments of Chemistry and Materials Science and Engineering, Roger Adams Laboratory, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801
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39
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Gin DL, Gu W, Pindzola BA, Zhou WJ. Polymerized lyotropic liquid crystal assemblies for materials applications. Acc Chem Res 2001; 34:973-80. [PMID: 11747415 DOI: 10.1021/ar000140d] [Citation(s) in RCA: 198] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The development of functional materials with nanometer-scale architectures and the effect of these architectures on their chemical and physical properties are currently of great interest in materials design. Polymerizable lyotropic liquid crystal (LLC) assemblies provide a facile entry into this area by allowing one to fix the inherent order in these systems using covalent bonds to create robust, nanostructured materials. The use of the cross-linked inverted hexagonal phase in templated nanocomposite formation and heterogeneous catalysis has been demonstrated. Additionally, the polymerization of LLC mesogens in the regular hexagonal and bicontinuous cubic phases is being targeted for future developments in functional materials. Future directions for new applications of these materials are also discussed.
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Affiliation(s)
- D L Gin
- Department of Chemistry, University of California, Berkeley, California 94720-1460, USA
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Lindner N, Kölbel M, Sauer C, Diele S, Jokiranta J, Tschierske C. Formation of Columnar and Cubic Mesophases by Calamitic Molecules: Novel Amphotropic Biphenyl Derivatives. J Phys Chem B 1998. [DOI: 10.1021/jp981158x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Niels Lindner
- Institute of Organic Chemistry, Martin-Luther-University Halle, D-06120 Halle, Kurt-Mothes-Strasse 2, Germany, and Institute of Physical Chemistry, Martin-Luther-University Halle, D-06118 Halle, Mühlpforte 1, Germany
| | - Marius Kölbel
- Institute of Organic Chemistry, Martin-Luther-University Halle, D-06120 Halle, Kurt-Mothes-Strasse 2, Germany, and Institute of Physical Chemistry, Martin-Luther-University Halle, D-06118 Halle, Mühlpforte 1, Germany
| | - Christiane Sauer
- Institute of Organic Chemistry, Martin-Luther-University Halle, D-06120 Halle, Kurt-Mothes-Strasse 2, Germany, and Institute of Physical Chemistry, Martin-Luther-University Halle, D-06118 Halle, Mühlpforte 1, Germany
| | - Siegmar Diele
- Institute of Organic Chemistry, Martin-Luther-University Halle, D-06120 Halle, Kurt-Mothes-Strasse 2, Germany, and Institute of Physical Chemistry, Martin-Luther-University Halle, D-06118 Halle, Mühlpforte 1, Germany
| | - Jani Jokiranta
- Institute of Organic Chemistry, Martin-Luther-University Halle, D-06120 Halle, Kurt-Mothes-Strasse 2, Germany, and Institute of Physical Chemistry, Martin-Luther-University Halle, D-06118 Halle, Mühlpforte 1, Germany
| | - Carsten Tschierske
- Institute of Organic Chemistry, Martin-Luther-University Halle, D-06120 Halle, Kurt-Mothes-Strasse 2, Germany, and Institute of Physical Chemistry, Martin-Luther-University Halle, D-06118 Halle, Mühlpforte 1, Germany
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41
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Percec V, Asandei AD, Chu P. Design of Side Chain and Main Chain Liquid Crystalline Polymers Containing Supramolecular Quasi-Rigid-Rodlike Mesogens Obtained from Collapsed Main Chain Macrocyclics. Macromolecules 1996. [DOI: 10.1021/ma951891b] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- V. Percec
- The W. M. Keck Laboratories for Organic Synthesis, Department of Macromolecular Science, Case Western Reserve University, Cleveland, Ohio 44106-7202
| | - A. D. Asandei
- The W. M. Keck Laboratories for Organic Synthesis, Department of Macromolecular Science, Case Western Reserve University, Cleveland, Ohio 44106-7202
| | - P. Chu
- The W. M. Keck Laboratories for Organic Synthesis, Department of Macromolecular Science, Case Western Reserve University, Cleveland, Ohio 44106-7202
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