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Spiess HW. 50th Anniversary Perspective: The Importance of NMR Spectroscopy to Macromolecular Science. Macromolecules 2017. [DOI: 10.1021/acs.macromol.6b02736] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Tu J, Tucker SJ, Christensen S, Sayed AR, Jarrett WL, Wiggins JS. Phenylene Ring Motions in Isomeric Glassy Epoxy Networks and Their Contributions to Thermal and Mechanical Properties. Macromolecules 2015. [DOI: 10.1021/ma5022506] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jianwei Tu
- The School of Polymers and
High Performance Materials, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, Mississippi 39406, United States
| | - Samuel J. Tucker
- The School of Polymers and
High Performance Materials, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, Mississippi 39406, United States
| | - Stephen Christensen
- The School of Polymers and
High Performance Materials, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, Mississippi 39406, United States
| | - Abdelwahed R. Sayed
- The School of Polymers and
High Performance Materials, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, Mississippi 39406, United States
| | - William L. Jarrett
- The School of Polymers and
High Performance Materials, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, Mississippi 39406, United States
| | - Jeffrey S. Wiggins
- The School of Polymers and
High Performance Materials, The University of Southern Mississippi, 118 College Dr. #5050, Hattiesburg, Mississippi 39406, United States
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Chen W, Sun HJ, Miyoshi T. Unique molecular dynamics of structural elements in an asymmetric Janus bisamide supramolecule characterized by solid-state NMR. J Phys Chem B 2013; 117:13698-709. [PMID: 24102116 DOI: 10.1021/jp4081492] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An asymmetric tapered Janus bisamide supramolecule consisting of 1,4-bis[3,4,5-tris(alkan-1-yloxy)benzamido]benzene bisamide (abbreviated as C22PhBAEO3) can possess three-dimensional (3D) long-range order under mild thermal treatment conditions. To understand its structural formation and unique phase-transition processes, the locally detailed structure and molecular dynamics of its structural elements in disordered and ordered phases of C22PhBAEO3 were investigated using various solid-state (SS) NMR techniques at the atomic level. On the basis of the determined conformations and packing structures of the alkyl chains in ordered and disordered crystalline phases, along with the geometry and kinetic parameters of the structural elements' dynamics, this study addresses the self-assembly, the phase-transition mechanisms, and the relationship between the structure and dynamics of these asymmetric Janus bisamide supramolecules.
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Affiliation(s)
- Wei Chen
- Department of Polymer Science, The University of Akron , Akron, Ohio 44325-3909, United States
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Hansen MR, Graf R, Spiess HW. Solid-state NMR in macromolecular systems: insights on how molecular entities move. Acc Chem Res 2013; 46:1996-2007. [PMID: 23480021 DOI: 10.1021/ar300338b] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The function of synthetic and natural macromolecularsystems critically depends on the packing and dynamics of the individual components of a given system. Not only can solid-state NMR provide structural information with atomic resolution, but it can also provide a way to characterize the amplitude and time scales of motions over broad ranges of length and time. These movements include molecular dynamics, rotational and translational motions of the building blocks, and also the motion of the functional species themselves, such as protons or ions. This Account examines solid-state NMR methods for correlating dynamics and function in a variety of chemical systems. In the early days, scientists thought that the rotationalmotions reflected the geometry of the moving entities. They described these phenomena as jumps about well-defined axes, such as phenyl flips, even in amorphous polymers. Later, they realized that conformational transitions in macromolecules happen in a much more complex way. Because the individual entities do not rotate around well-defined axes, they require much less space. Only recently researchers have appreciated the relative importance of large angle fluctuations of polymers over rotational jumps. Researchers have long considered that cooperative motions might be at work, yet only recently they have clearly detected these motions by NMR in macromolecular and supramolecular systems. In correlations of dynamics and function, local motions do not always provide the mechanism of long-range transport. This idea holds true in ion conduction but also applies to chain transport in polymer melts and semicrystalline polymers. Similar chain motions and ion transport likewise occur in functional biopolymers, systems where solid-state NMR studies are also performed. In polymer science, researchers have appreciated the unique information on molecular dynamics available from advanced solid-state NMR at times, where their colleagues in the biomacromolecular sciences have emphasized structure. By contrast, following X-ray crystallographers, researchers studying proteins using solution NMR introduced the combination of NMR with computer simulation before that became common practice in solid-state NMR. Today's simulation methods can handle partially ordered or even disordered systems common in synthetic polymers. Thus, the multitechnique approaches employed in NMR of synthetic and biological macromolecules have converged. Therefore, this Account will be relevant to both researchers studying synthetic macromolecular and supramolecular systems and those studying biological complexes.
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Affiliation(s)
- Michael Ryan Hansen
- Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Robert Graf
- Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
| | - Hans Wolfgang Spiess
- Max Planck Institute for Polymer Research, Ackermannweg 10, D-55128 Mainz, Germany
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Fontanella JJ, Boyles DA, Filipova TS, Awwad S, Edmondson CA, Bendler JT, Wintersgill MC, Lomax JF, Schroeder MJ. Dielectric studies of tetraaryl and triaryl polycarbonates and comparisons with bisphenol A-polycarbonate. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/polb.23010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Spiess HW. Interplay of Structure and Dynamics in Macromolecular and Supramolecular Systems. Macromolecules 2010. [DOI: 10.1021/ma1005952] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Albunia AR, Graf R, Grassi A, Guerra G, Spiess HW. Geometry of Complex Molecular Motions of Guest Molecules in Polymers from Solid State 2H NMR. Macromolecules 2009. [DOI: 10.1021/ma900994z] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alexandra R. Albunia
- Dipartimento di Chimica, Università degli Studi di Salerno and INSTM Research Unit, Via Ponte don Melillo, I-84084 Fisciano (Salerno), Italy
| | - Robert Graf
- Max Planck Institute for Polymer Research, Postfach 3148, D-55021 Mainz, Germany
| | - Alfonso Grassi
- Dipartimento di Chimica, Università degli Studi di Salerno and INSTM Research Unit, Via Ponte don Melillo, I-84084 Fisciano (Salerno), Italy
| | - Gaetano Guerra
- Dipartimento di Chimica, Università degli Studi di Salerno and INSTM Research Unit, Via Ponte don Melillo, I-84084 Fisciano (Salerno), Italy
| | - Hans W. Spiess
- Max Planck Institute for Polymer Research, Postfach 3148, D-55021 Mainz, Germany
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Hansen MR, Schnitzler T, Pisula W, Graf R, Müllen K, Spiess H. Kooperative Molekülbewegungen innerhalb eines selbstorganisierten flüssigkristallinen molekularen Drahtes am Beispiel eines TEG- substituierten Perylendiimids. Angew Chem Int Ed Engl 2009. [DOI: 10.1002/ange.200900547] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Hansen MR, Schnitzler T, Pisula W, Graf R, Müllen K, Spiess H. Cooperative Molecular Motion within a Self-Assembled Liquid-Crystalline Molecular Wire: The Case of a TEG-Substituted Perylenediimide Disc. Angew Chem Int Ed Engl 2009; 48:4621-4. [DOI: 10.1002/anie.200900547] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Brown SP. Recent Advances in Solid-State MAS NMR Methodology for Probing Structure and Dynamics in Polymeric and Supramolecular Systems. Macromol Rapid Commun 2009; 30:688-716. [DOI: 10.1002/marc.200800816] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2008] [Accepted: 02/06/2009] [Indexed: 01/12/2023]
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Gath J, Hoaston GL, Vold RL, Berthoud R, Copéret C, Grellier M, Sabo-Etienne S, Lesage A, Emsley L. Motional heterogeneity in single-site silica-supported species revealed by deuteron NMR. Phys Chem Chem Phys 2009; 11:6962-71. [DOI: 10.1039/b907665d] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Yao YF, Graf R, Spiess HW, Rastogi S. Restricted Segmental Mobility Can Facilitate Medium-Range Chain Diffusion: A NMR Study of Morphological Influence on Chain Dynamics of Polyethylene. Macromolecules 2008. [DOI: 10.1021/ma702815k] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Y.-F. Yao
- Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany, and Department of Chemical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - R. Graf
- Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany, and Department of Chemical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - H. W. Spiess
- Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany, and Department of Chemical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
| | - S. Rastogi
- Max-Planck-Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany, and Department of Chemical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600MB Eindhoven, The Netherlands
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Weldeghiorghis TK, Stueber D, Schaefer J. Slow motion in [ring-fluoro]polycarbonate by CODEX. ACTA ACUST UNITED AC 2008. [DOI: 10.1002/polb.21439] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Lee YJ, Murakhtina T, Sebastiani D, Spiess HW. 2H Solid-State NMR of Mobile Protons: It Is Not Always the Simple Way. J Am Chem Soc 2007; 129:12406-7. [PMID: 17887682 DOI: 10.1021/ja0754857] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Young Joo Lee
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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