1
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Schoonover KG, Hsieh CM, Sengoden M, Ahmed N, Sivaperuman Kalairaj M, Ware TH, Darensbourg DJ, Pentzer EB, Wei P. Bridging polymer architecture, printability, and properties by digital light processing of block copolycarbonates. Chem Sci 2024:d4sc04593a. [PMID: 39144463 PMCID: PMC11318375 DOI: 10.1039/d4sc04593a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Accepted: 08/01/2024] [Indexed: 08/16/2024] Open
Abstract
CO2-based aliphatic polycarbonates (aPCs), produced through the alternating copolymerization of epoxides with CO2, present an appealing option for sustainable polymeric materials owing to their renewable feedstock and degradable characteristics. An ongoing challenge in working with aPCs is modifying their mechanical properties to meet specific demands. Herein, we report that monomer ratio and polymer architecture of aPCs impact not only printability by digital light processing (DLP) additive manufacturing, but also dictate the thermomechanical and degradation properties of the printed objects. We found that block copolymers exhibit tailorable thermomechanical properties ranging from soft elastomeric to strong and brittle as the proportion of hard blocks increases, whereas the homopolymer blend failed to print objects and statistical copolymers delaminated or overcured, displaying the weakest mechanical properties. In addition, the hydrolytic degradation of the prints was demonstrated under various conditions, revealing that BCP prints containing a higher proportion of hard blocks had slower degradation and that statistical copolymer prints degraded more slowly than their BCP counterparts. This study underscores that polymer composition and architecture both play key roles in resin printability and bulk properties, offering significant prospects for advancing sustainable materials in additive manufacturing through polymer design.
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Affiliation(s)
- Krista G Schoonover
- Department of Chemistry, Texas A&M University 3255 TAMU College Station TX 77843 USA
| | - Chia-Min Hsieh
- Department of Chemistry, Texas A&M University 3255 TAMU College Station TX 77843 USA
| | - Mani Sengoden
- Department of Chemistry, Texas A&M University 3255 TAMU College Station TX 77843 USA
| | - Naushad Ahmed
- Department of Chemistry, Texas A&M University 3255 TAMU College Station TX 77843 USA
| | | | - Taylor H Ware
- Department of Biomedical Engineering, Texas A&M University 3003 TAMU College Station TX 77843 USA
- Department of Materials Science and Engineering, Texas A&M University 3003 TAMU College Station TX 77843 USA
| | - Donald J Darensbourg
- Department of Chemistry, Texas A&M University 3255 TAMU College Station TX 77843 USA
| | - Emily B Pentzer
- Department of Chemistry, Texas A&M University 3255 TAMU College Station TX 77843 USA
- Department of Materials Science and Engineering, Texas A&M University 3003 TAMU College Station TX 77843 USA
| | - Peiran Wei
- Soft Matter Facility, Texas A&M University College Station TX 77843 USA
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2
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1H DOSY analysis of high molecular weight acrylamide-based copolymer electrolytes using an inverse-geometry diffusion probe. Polym J 2023. [DOI: 10.1038/s41428-023-00758-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
AbstractCopolymers of [2-(acryloyloxy)ethyl]trimethylammonium chloride (AETAC) and acrylamide (AAm) (AETAC-co-AAm) are polyelectrolytes used as flocculants in wastewater purification. Diffusion-ordered two-dimensional NMR spectroscopy (DOSY) experiments for AETAC-co-AAm samples with Mw ranging from 1.9 to 3.9 million and a polyacrylamide sample with Mw of 1.3 million were carried out in pure D2O and in D2O containing 0.1 or 1 M NaCl using an inverse-geometry diffusion probe system. Projections of the DOSY contour plots onto the diffusion coefficient (D) dimension gave distributions of D for the AETAC and AAm units in the samples. The D values at the maximum point of the distribution (Dp) agreed fairly well with those determined by dynamic light scattering.
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3
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Grabe B, Hiller W. Molar Mass Distribution and Chemical Composition Distribution of PS- b-PMMA Block Copolymers Determined by Diffusion Ordered Spectroscopy. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bastian Grabe
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn-Straße 4a, 44227 Dortmund, Germany
| | - Wolf Hiller
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn-Straße 4a, 44227 Dortmund, Germany
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4
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Affiliation(s)
| | - Manfred Wagner
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Markus Klapper
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
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5
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Evans R. The interpretation of small molecule diffusion coefficients: Quantitative use of diffusion-ordered NMR spectroscopy. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2020; 117:33-69. [PMID: 32471534 DOI: 10.1016/j.pnmrs.2019.11.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 11/20/2019] [Accepted: 11/20/2019] [Indexed: 06/11/2023]
Abstract
Measuring accurate molecular self-diffusion coefficients, D, by nuclear magnetic resonance (NMR) techniques has become routine as hardware, software and experimental methodologies have all improved. However, the quantitative interpretation of such data remains difficult, particularly for small molecules. This review article first provides a description of, and explanation for, the failure of the Stokes-Einstein equation to accurately predict small molecule diffusion coefficients, before moving on to three broadly complementary methods for their quantitative interpretation. Two are based on power laws, but differ in the nature of the reference molecules used. The third addresses the uncertainties in the Stokes-Einstein equation directly. For all three methods, a wide range of examples are used to show the range of chemistry to which diffusion NMR can be applied, and how best to implement the different methods to obtain quantitative information from the chemical systems studied.
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Affiliation(s)
- Robert Evans
- Aston Institute of Materials Research, School of Engineering and Applied Science, Aston University, Birmingham B4 7ET, United Kingdom.
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6
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Crockett MP, Zhang H, Thomas CM, Byers JA. Adding diffusion ordered NMR spectroscopy (DOSY) to the arsenal for characterizing paramagnetic complexes. Chem Commun (Camb) 2019; 55:14426-14429. [PMID: 31730148 DOI: 10.1039/c9cc08229h] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein we report the development of diffusion ordered NMR spectroscopy (DOSY) for its use to characterize metal complexes containing paramagnetic first row transition metal elements. This technique is capable of assessing the purity and speciation of paramagnetic complexes, and also provides a convenient method to provide qualitative and sometimes quantitative molecular weight data.
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Affiliation(s)
- M P Crockett
- Department of Chemistry, Boston College, Eugene F. Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, Massachusetts 02467, USA.
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7
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Liu S, Bai T, Ni K, Chen Y, Zhao J, Ling J, Ye X, Zhang G. Biased Lewis Pairs: A General Catalytic Approach to Ether‐Ester Block Copolymers with Unlimited Ordering of Sequences. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908904] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Shan Liu
- Faculty of Materials Science and Engineering South China University of Technology Guangzhou 510640 P. R. China
| | - Tianwen Bai
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Kang Ni
- Hefei National Laboratory for Physical Sciences at the Microscale Department of Chemical Physics University of Science and Technology of China Hefei 230026 China
| | - Ye Chen
- Faculty of Materials Science and Engineering South China University of Technology Guangzhou 510640 P. R. China
| | - Junpeng Zhao
- Faculty of Materials Science and Engineering South China University of Technology Guangzhou 510640 P. R. China
| | - Jun Ling
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and Engineering Zhejiang University Hangzhou 310027 China
| | - Xiaodong Ye
- Hefei National Laboratory for Physical Sciences at the Microscale Department of Chemical Physics University of Science and Technology of China Hefei 230026 China
| | - Guangzhao Zhang
- Faculty of Materials Science and Engineering South China University of Technology Guangzhou 510640 P. R. China
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8
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Liu S, Bai T, Ni K, Chen Y, Zhao J, Ling J, Ye X, Zhang G. Biased Lewis Pairs: A General Catalytic Approach to Ether-Ester Block Copolymers with Unlimited Ordering of Sequences. Angew Chem Int Ed Engl 2019; 58:15478-15487. [PMID: 31464086 DOI: 10.1002/anie.201908904] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 08/13/2019] [Indexed: 12/12/2022]
Abstract
Polymerizing epoxides after cyclic esters remains a major challenge, though their block copolymers have been extensively studied and used for decades. Reported here is a simple catalytic approach based on a metal-free Lewis pair that addresses the challenge. When the Lewis acid is used in excess of a base, selective (transesterification-free) polymerization of epoxides occurs in the presence of esters, while selectivity toward cyclic esters is achieved by an oppositely biased catalyst. Hence, one-pot block copolymerization can be performed in both ester-first and ether-first orders with selectivity being switchable at any stage, yielding ether-ester-type block copolymers with unlimited ordering of sequences as well as widely variable compositions and architectures. The selectivity can also be switched back and forth several times to generate a multiblock copolymer. Experimental and calculational results indicate that the selectivity originates mainly from the state of catalyst-activated hydroxy species.
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Affiliation(s)
- Shan Liu
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Tianwen Bai
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Kang Ni
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Ye Chen
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Junpeng Zhao
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
| | - Jun Ling
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xiaodong Ye
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Guangzhao Zhang
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, P. R. China
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9
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Hiller W. Quantitative Studies of Block Copolymers and Their Containing Homopolymer Components by Diffusion Ordered Spectroscopy. MACROMOL CHEM PHYS 2019. [DOI: 10.1002/macp.201900255] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Wolf Hiller
- Faculty of Chemistry and Chemical Biology Technical University Dortmund Otto‐Hahn‐Str. 4a D‐44227 Dortmund Germany
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10
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Zaccaria F, Zuccaccia C, Cipullo R, Macchioni A. Extraction of Reliable Molecular Information from Diffusion NMR Spectroscopy: Hydrodynamic Volume or Molecular Mass? Chemistry 2019; 25:9930-9937. [PMID: 30998838 DOI: 10.1002/chem.201900812] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Indexed: 01/31/2023]
Abstract
Measuring accurate translational self-diffusion coefficients (Dt ) by NMR techniques with modern spectrometers has become rather routine. In contrast, the derivation of reliable molecular information therefrom still remains a nontrivial task. In this paper, two established approaches to estimating molecular size in terms of hydrodynamic volume (VH ) or molecular weight (M) are compared. Ad hoc designed experiments allowed the critical aspects of their application to be explored by translating relatively complex theoretical principles into practical take-home messages. For instance, comparing the Dt values of three isosteric Cp2 MCl2 complexes (Cp=cyclopentadienyl, M=Ti, Zr, Hf), having significantly different molecular mass, provided an empirical demonstration that VH is the critical molecular property affecting Dt . This central concept served to clarify the assumptions behind the derivation of Dt =ƒ(M) power laws from the Stokes-Einstein equation. Some pitfalls in establishing log (Dt ) versus log (M) linear correlations for a set of species have been highlighted by further investigations of selected examples. The effectiveness of the Stokes-Einstein equation itself in describing the aggregation or polymerization of differently shaped species has been explored by comparing, for example, a ball-shaped silsesquioxane cage with its cigar-like dimeric form, or styrene with polystyrene macromolecules.
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Affiliation(s)
- Francesco Zaccaria
- Dipartimento di Chimica, Biologia e Biotecnologie and CIRCC, Università di Perugia, Via Elce di Sotto 8, 06123, Perugia, Italy
| | - Cristiano Zuccaccia
- Dipartimento di Chimica, Biologia e Biotecnologie and CIRCC, Università di Perugia, Via Elce di Sotto 8, 06123, Perugia, Italy
| | - Roberta Cipullo
- Dipartimento di Scienze Chimiche, Università di Napoli Federico II, Via Cintia, 80126, Napoli, Italy
| | - Alceo Macchioni
- Dipartimento di Chimica, Biologia e Biotecnologie and CIRCC, Università di Perugia, Via Elce di Sotto 8, 06123, Perugia, Italy
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11
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Antalek B, Slater L, Bennett G. Comprehensive Structural Assessment of Linear Block Polymers by NMR and SEC. Macromolecules 2019. [DOI: 10.1021/acs.macromol.8b02214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Brian Antalek
- Eastman Kodak Company, 1999 Lake Avenue, Rochester, New York 14650, United States
| | - Lisa Slater
- Eastman Kodak Company, 1999 Lake Avenue, Rochester, New York 14650, United States
| | - Grace Bennett
- Eastman Kodak Company, 1999 Lake Avenue, Rochester, New York 14650, United States
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12
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Kay CJ, Goring PD, Burnett CA, Hornby B, Lewtas K, Morris S, Morton C, McNally T, Theaker GW, Waterson C, Wright PM, Scott P. Polyolefin–Polar Block Copolymers from Versatile New Macromonomers. J Am Chem Soc 2018; 140:13921-13934. [PMID: 30260641 DOI: 10.1021/jacs.8b09039] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
| | - Paul D. Goring
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
| | - Connah A. Burnett
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
| | - Ben Hornby
- Infineum UK Ltd, Milton Hill, Abingdon OX13 6BB, U.K
| | - Kenneth Lewtas
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
- Infineum UK Ltd, Milton Hill, Abingdon OX13 6BB, U.K
| | - Shaun Morris
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
- International Institute for Nanocomposites Manufacturing (IINM), WMG, University of Warwick, Coventry CV4 7AL, U.K
| | - Colin Morton
- Infineum UK Ltd, Milton Hill, Abingdon OX13 6BB, U.K
| | - Tony McNally
- International Institute for Nanocomposites Manufacturing (IINM), WMG, University of Warwick, Coventry CV4 7AL, U.K
| | - Giles W. Theaker
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
- Infineum UK Ltd, Milton Hill, Abingdon OX13 6BB, U.K
| | - Carl Waterson
- Infineum UK Ltd, Milton Hill, Abingdon OX13 6BB, U.K
| | | | - Peter Scott
- Department of Chemistry, University of Warwick, Coventry CV4 7AL, U.K
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13
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Phiri MM, Hadasha W, Pfukwa R, Klumperman B. Synthesis and characterization of liquid molecular brush binder for coating applications. Eur Polym J 2018. [DOI: 10.1016/j.eurpolymj.2018.03.023] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Yu Q, Pichugin D, Cruz M, Guerin G, Manners I, Winnik MA. NMR Study of the Dissolution of Core-Crystalline Micelles. Macromolecules 2018. [DOI: 10.1021/acs.macromol.8b00098] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Qing Yu
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 1H6, Canada
| | - Dmitry Pichugin
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 1H6, Canada
| | - Menandro Cruz
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 1H6, Canada
| | - Gerald Guerin
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 1H6, Canada
| | - Ian Manners
- School of Chemistry, University of Bristol, Bristol, U.K. BS8 1TS
| | - Mitchell A. Winnik
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 1H6, Canada
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15
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Roos K, Wirotius AL, Carlotti S. Dialkylmagnesium-Promoted Deprotonation of Protic Precursors for the Activated Anionic Ring-Opening Polymerization of Epoxides. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201700195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kévin Roos
- Bordeaux INP; Univ. Bordeaux; CNRS; LCPO; UMR 5629 F-33600 Pessac France
| | | | - Stéphane Carlotti
- Bordeaux INP; Univ. Bordeaux; CNRS; LCPO; UMR 5629 F-33600 Pessac France
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16
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Abstract
Optimization of Diffusion Ordered NMR Spectroscopy (DOSY) parameters for the improved and extended analysis of polymers.
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Affiliation(s)
- Patrick Groves
- Department of Biomedicinal Chemistry
- University of Gdansk
- 80-308 Gdansk
- Poland
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17
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Chamignon C, Duret D, Charreyre MT, Favier A. 1H DOSY NMR Determination of the Molecular Weight and the Solution Properties of Poly(N-acryloylmorpholine) in Various Solvents. MACROMOL CHEM PHYS 2016. [DOI: 10.1002/macp.201600089] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Cécile Chamignon
- Univ Lyon, INSA de Lyon, CNRS; Laboratoire Ingénierie des Matériaux Polymères; UMR5223; F-69621 Villeurbanne France
| | - Damien Duret
- Univ Lyon, INSA de Lyon, CNRS; Laboratoire Ingénierie des Matériaux Polymères; UMR5223; F-69621 Villeurbanne France
- Univ Lyon, École Normale Supérieure de Lyon; CNRS, Laboratoire Joliot-Curie; USR3010; F-69364 Lyon France
| | - Marie-Thérèse Charreyre
- Univ Lyon, INSA de Lyon, CNRS; Laboratoire Ingénierie des Matériaux Polymères; UMR5223; F-69621 Villeurbanne France
- Univ Lyon, École Normale Supérieure de Lyon; CNRS, Laboratoire Joliot-Curie; USR3010; F-69364 Lyon France
| | - Arnaud Favier
- Univ Lyon, INSA de Lyon, CNRS; Laboratoire Ingénierie des Matériaux Polymères; UMR5223; F-69621 Villeurbanne France
- Univ Lyon, École Normale Supérieure de Lyon; CNRS, Laboratoire Joliot-Curie; USR3010; F-69364 Lyon France
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18
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Romain C, Zhu Y, Dingwall P, Paul S, Rzepa HS, Buchard A, Williams CK. Chemoselective Polymerizations from Mixtures of Epoxide, Lactone, Anhydride, and Carbon Dioxide. J Am Chem Soc 2016; 138:4120-31. [PMID: 27003333 DOI: 10.1021/jacs.5b13070] [Citation(s) in RCA: 163] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Controlling polymer composition starting from mixtures of monomers is an important, but rarely achieved, target. Here a single switchable catalyst for both ring-opening polymerization (ROP) of lactones and ring-opening copolymerization (ROCOP) of epoxides, anhydrides, and CO2 is investigated, using both experimental and theoretical methods. Different combinations of four model monomers-ε-caprolactone, cyclohexene oxide, phthalic anhydride, and carbon dioxide-are investigated using a single dizinc catalyst. The catalyst switches between the distinct polymerization cycles and shows high monomer selectivity, resulting in block sequence control and predictable compositions (esters and carbonates) in the polymer chain. The understanding gained of the orthogonal reactivity of monomers, specifically controlled by the nature of the metal-chain end group, opens the way to engineer polymer block sequences.
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Affiliation(s)
- Charles Romain
- Department of Chemistry, Imperial College London , London SW7 2AZ, U.K
| | - Yunqing Zhu
- Department of Chemistry, Imperial College London , London SW7 2AZ, U.K
| | - Paul Dingwall
- Department of Chemistry, Imperial College London , London SW7 2AZ, U.K
| | - Shyeni Paul
- Department of Chemistry, Imperial College London , London SW7 2AZ, U.K
| | - Henry S Rzepa
- Department of Chemistry, Imperial College London , London SW7 2AZ, U.K
| | - Antoine Buchard
- Department of Chemistry, University of Bath , Bath BA2 7AY, U.K
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19
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Biernesser AB, Delle Chiaie KR, Curley JB, Byers JA. Block Copolymerization of Lactide and an Epoxide Facilitated by a Redox Switchable Iron‐Based Catalyst. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201511793] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ashley B. Biernesser
- Department of Chemistry Boston College Eugene F. Merkert Chemistry Center 2609 Beacon Street Chestnut Hill MA 02467 USA
| | - Kayla R. Delle Chiaie
- Department of Chemistry Boston College Eugene F. Merkert Chemistry Center 2609 Beacon Street Chestnut Hill MA 02467 USA
| | - Julia B. Curley
- Department of Chemistry Boston College Eugene F. Merkert Chemistry Center 2609 Beacon Street Chestnut Hill MA 02467 USA
| | - Jeffery A. Byers
- Department of Chemistry Boston College Eugene F. Merkert Chemistry Center 2609 Beacon Street Chestnut Hill MA 02467 USA
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20
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Biernesser AB, Delle Chiaie KR, Curley JB, Byers JA. Block Copolymerization of Lactide and an Epoxide Facilitated by a Redox Switchable Iron-Based Catalyst. Angew Chem Int Ed Engl 2016; 55:5251-4. [PMID: 26991820 DOI: 10.1002/anie.201511793] [Citation(s) in RCA: 126] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 02/01/2016] [Indexed: 11/07/2022]
Abstract
A cationic iron(III) complex was active for the polymerization of various epoxides, whereas the analogous neutral iron(II) complex was inactive. Cyclohexene oxide polymerization could be "switched off" upon in situ reduction of the iron(III) catalyst and "switched on" upon in situ oxidation, which is orthogonal to what was observed previously for lactide polymerization. Conducting copolymerization reactions in the presence of both monomers resulted in block copolymers whose identity can be controlled by the oxidation state of the catalyst: selective lactide polymerization was observed in the iron(II) oxidation state and selective epoxide polymerization was observed in the iron(III) oxidation state. Evidence for the formation of block copolymers was obtained from solubility differences, GPC, and DOSY-NMR studies.
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Affiliation(s)
- Ashley B Biernesser
- Department of Chemistry, Boston College, Eugene F. Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA, 02467, USA
| | - Kayla R Delle Chiaie
- Department of Chemistry, Boston College, Eugene F. Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA, 02467, USA
| | - Julia B Curley
- Department of Chemistry, Boston College, Eugene F. Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA, 02467, USA
| | - Jeffery A Byers
- Department of Chemistry, Boston College, Eugene F. Merkert Chemistry Center, 2609 Beacon Street, Chestnut Hill, MA, 02467, USA.
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21
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Barouti G, Khalil A, Orione C, Jarnouen K, Cammas-Marion S, Loyer P, Guillaume SM. Poly(trimethylene carbonate)/Poly(malic acid) Amphiphilic Diblock Copolymers as Biocompatible Nanoparticles. Chemistry 2016; 22:2819-30. [PMID: 26791328 DOI: 10.1002/chem.201504824] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Indexed: 12/18/2022]
Abstract
Amphiphilic polycarbonate-poly(hydroxyalkanoate) diblock copolymers, namely, poly(trimethylene carbonate) (PTMC)-b-poly(β-malic acid) (PMLA), are reported for the first time. The synthetic strategy relies on commercially available catalysts and initiator. The controlled ring-opening polymerization (ROP) of trimethylene carbonate (TMC) catalyzed by the organic guanidine base 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD), associated with iPrOH as an initiator, provided iPrO-PTMC-OH, which served as a macroinitiator in the controlled ROP of benzyl β-malolactonate (MLABe) catalyzed by the neodymium triflate salt (Nd(OTf)3). The resulting hydrophobic iPrO-PTMC-b-PMLABe-OH copolymers were then hydrogenolyzed into the parent iPrO-PTMC-b-PMLA-OH copolymers. A range of well-defined copolymers, featuring different sizes of segments (Mn,NMR up to 9300 g mol(-1) ; ÐM =1.28-1.40), were thus isolated in gram quantities, as evidenced by NMR spectroscopy, size exclusion chromatography, thermogravimetric analysis, differential scanning calorimetry, and contact angle analyses. Subsequently, PTMC-b-PMLA copolymers with different hydrophilic weight fractions (11-75 %) self-assembled in phosphate-buffered saline upon nanoprecipitation into well-defined nano-objects with Dh =61-176 nm, a polydispersity index <0.25, and a negative surface charge, as characterized by dynamic light scattering and zeta-potential analyses. In addition, these nanoparticles demonstrated no significant effect on cell viability at low concentrations, and a very low cytotoxicity at high concentrations only for PTMC-b-PMLA copolymers exhibiting hydrophilic fractions over 47 %, thus illustrating the potential of these copolymers as promising nanoparticles.
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Affiliation(s)
- Ghislaine Barouti
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS, Université de Rennes 1, Campus de Beaulieu, 263 Avenue du Général Leclerc, 35042, Rennes Cedex, France
| | - Ali Khalil
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS, Université de Rennes 1, Campus de Beaulieu, 263 Avenue du Général Leclerc, 35042, Rennes Cedex, France
| | - Clement Orione
- Centre Régional de Mesures Physiques de l'Ouest, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France
| | - Kathleen Jarnouen
- INSERM, UMR991, Liver, Metabolisms and Cancer, CHU Pontchaillou, 35033 Rennes Cedex -, Université de Rennes 1, 35043, Rennes Cedex, France
| | - Sandrine Cammas-Marion
- Ecole Nationale Supérieure de Chimie de Rennes, Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS, Université de Rennes 1, 11 Allée de Beaulieu CS 50837, 35708, Rennes Cedex, France
| | - Pascal Loyer
- INSERM, UMR991, Liver, Metabolisms and Cancer, CHU Pontchaillou, 35033 Rennes Cedex -, Université de Rennes 1, 35043, Rennes Cedex, France
| | - Sophie M Guillaume
- Institut des Sciences Chimiques de Rennes, UMR 6226 CNRS, Université de Rennes 1, Campus de Beaulieu, 263 Avenue du Général Leclerc, 35042, Rennes Cedex, France.
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22
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Barouti G, Guillaume SM. Polyhydroxybutyrate (PHB)-based triblock copolymers: synthesis of hydrophobic PHB/poly(benzyl β-malolactonate) and amphiphilic PHB/poly(malic acid) analogues by ring-opening polymerization. Polym Chem 2016. [DOI: 10.1039/c6py00910g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Poly(benzyl β-malolactonate)-b-poly(3-hydroxybutyrate)-b-poly(benzyl β-malolactonate), PMLABe-b-PHB-b-PMLABe, and its analogous poly(β-malic acid), PMLA-b-PHB-b-PMLA, triblock copolymers are synthesized and fully characterized.
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Affiliation(s)
- Ghislaine Barouti
- Institut des Sciences Chimiques de Rennes (ISCR)
- UMR 6226 CNRS - Université de Rennes 1
- Campus de Beaulieu
- F-35042 Rennes Cedex
- France
| | - Sophie M. Guillaume
- Institut des Sciences Chimiques de Rennes (ISCR)
- UMR 6226 CNRS - Université de Rennes 1
- Campus de Beaulieu
- F-35042 Rennes Cedex
- France
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23
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Lopez G, Guerre M, Schmidt J, Talmon Y, Ladmiral V, Habas JP, Améduri B. An amphiphilic PEG-b-PFPE-b-PEG triblock copolymer: synthesis by CuAAC click chemistry and self-assembly in water. Polym Chem 2016. [DOI: 10.1039/c5py01621e] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A new PEG2000-b-PFPE1200-b-PEG2000 amphiphilic triblock copolymer that undergoes self-assembly into micelles in water was synthesized by copper(i)-catalyzed alkyne–azide cycloaddition (CuAAC).
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Affiliation(s)
- Gérald Lopez
- Institut Charles Gerhardt Montpellier UMR5253 CNRS-UM-ENSCM – Equipe Ingénierie et Architectures Macromoléculaires
- Montpellier
- France
| | - Marc Guerre
- Institut Charles Gerhardt Montpellier UMR5253 CNRS-UM-ENSCM – Equipe Ingénierie et Architectures Macromoléculaires
- Montpellier
- France
| | - Judith Schmidt
- Department of Chemical Engineering
- Technion-Israel Institute of Technology
- Haifa 3200003
- Israel
| | - Yeshayahu Talmon
- Department of Chemical Engineering
- Technion-Israel Institute of Technology
- Haifa 3200003
- Israel
| | - Vincent Ladmiral
- Institut Charles Gerhardt Montpellier UMR5253 CNRS-UM-ENSCM – Equipe Ingénierie et Architectures Macromoléculaires
- Montpellier
- France
| | - Jean-Pierre Habas
- Institut Charles Gerhardt Montpellier UMR5253 CNRS-UM-ENSCM – Equipe Ingénierie et Architectures Macromoléculaires
- Montpellier
- France
| | - Bruno Améduri
- Institut Charles Gerhardt Montpellier UMR5253 CNRS-UM-ENSCM – Equipe Ingénierie et Architectures Macromoléculaires
- Montpellier
- France
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24
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Lopez G, Thenappan A, Améduri B. Synthesis of Chlorotrifluoroethylene-Based Block Copolymers by Iodine Transfer Polymerization. ACS Macro Lett 2015; 4:16-20. [PMID: 35596393 DOI: 10.1021/mz5006712] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Various fluorinated macro-chain transfer agents (CTAs) based on vinylidene fluoride (VDF), chlorotrifluoroethylene (CTFE), or CTFE and vinylidene chloride (VDC), were synthesized by iodine transfer polymerization (ITP). These macro-CTAs were involved in a further ITP reaction that led to the synthesis of original CTFE-based block copolymers exhibiting molecular weight ranging from 2500 to 40000 g/mol and endowed with high thermal stabilities (decomposition temperature at 10% weight loss of ca. 380 °C, under air). ITP of CTFE and VDC as well as ITP of VDF thermally initiated at 100 °C by a catalytic amount of dimanganese decacarbonyl (Mn2(CO)10) are reported for the first time.
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Affiliation(s)
- Gérald Lopez
- Ingénierie
and Architectures Macromoléculaires, Institut Charles Gerhardt,
École Nationale Supérieure de Chimie de Montpellier, 8 Rue de l’École Normale, 34296 Montpellier, France
| | | | - Bruno Améduri
- Ingénierie
and Architectures Macromoléculaires, Institut Charles Gerhardt,
École Nationale Supérieure de Chimie de Montpellier, 8 Rue de l’École Normale, 34296 Montpellier, France
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25
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Moreira G, Fedeli E, Ziarelli F, Capitani D, Mannina L, Charles L, Viel S, Gigmes D, Lefay C. Synthesis of polystyrene-grafted cellulose acetate copolymers via nitroxide-mediated polymerization. Polym Chem 2015. [DOI: 10.1039/c5py00752f] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cellulose acetate-g-polystyrene grafted copolymers have been synthesized by NMP under homogeneous conditions by using the 1,2-intermolecular radical addition methodology.
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Affiliation(s)
- Guillaume Moreira
- Aix Marseille Université
- CNRS
- Institut de Chimie Radicalaire UMR 7273
- 13397 Marseille Cedex 20
- France
| | - Elisabetta Fedeli
- Aix Marseille Université
- CNRS
- Institut de Chimie Radicalaire UMR 7273
- 13397 Marseille Cedex 20
- France
| | - Fabio Ziarelli
- Aix Marseille Université
- Centrale Marseille
- CNRS
- Fédération des Sciences Chimiques FR 1739
- F-13397 Marseille
| | - Donatella Capitani
- Laboratorio NMR “Annalaura Segre”
- Istituto di Metodologie Chimiche
- Centro Nazionale delle Ricerche
- I-00015 Monterotondo
- Italy
| | - Luisa Mannina
- Laboratorio NMR “Annalaura Segre”
- Istituto di Metodologie Chimiche
- Centro Nazionale delle Ricerche
- I-00015 Monterotondo
- Italy
| | - Laurence Charles
- Aix Marseille Université
- CNRS
- Institut de Chimie Radicalaire UMR 7273
- 13397 Marseille Cedex 20
- France
| | - Stéphane Viel
- Aix Marseille Université
- CNRS
- Institut de Chimie Radicalaire UMR 7273
- 13397 Marseille Cedex 20
- France
| | - Didier Gigmes
- Aix Marseille Université
- CNRS
- Institut de Chimie Radicalaire UMR 7273
- 13397 Marseille Cedex 20
- France
| | - Catherine Lefay
- Aix Marseille Université
- CNRS
- Institut de Chimie Radicalaire UMR 7273
- 13397 Marseille Cedex 20
- France
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26
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Jagan Mohan D. Synthesis, characterization and swelling properties of copolymers of N(-1,1-dimethyll-3-oxobutyl)acrylamide with methyl methacrylate. Des Monomers Polym 2013. [DOI: 10.1080/15685551.2013.867567] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Affiliation(s)
- Dodda Jagan Mohan
- New Technologies Research Centre, University of West Bohemia, Univerzitni 8, 306 14 Plzeň, Czech Republic
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27
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Streshinskaya GM, Shashkov AS, Kozlova YI, Tul’skaya EM, Kudryashova EB, Senchenkova SN, Ariskina EV, Evtushenko LI, Potekhina NV. Cell wall teichoic acids of Bacillus licheniformis VKM B-511T, Bacillus pumilus VKM B-508T, and other strains previously assigned to Bacillus pumilus. Microbiology (Reading) 2012. [DOI: 10.1134/s0026261712030125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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28
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Pereira G, Huin C, Morariu S, Bennevault-Celton V, Guégan P. Synthesis of Poly(2-methyl-2-oxazoline) Star Polymers with a β-Cyclodextrin Core. Aust J Chem 2012. [DOI: 10.1071/ch12232] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Synthesis of star polymers with a β-cyclodextrin (CD) core was undertaken using the arm-first, then the core-first strategy. Cationic ring opening polymerisation (CROP) of 2-methyl-2-oxazoline (MeOx) was first initiated by allyl bromide, and then quenched with heptakis(6-deoxy-6-amino)β-CD in order to get a 7-arm star polymer. Then heptakis(6-deoxy-6-iodo-2,3-di-O-acetyl)β-CD was synthesised in order to get an initiator for the CROP of MeOx. Initiation and propagation kinetic measurements were undertaken and the ratio kp/ki was found to be too high to provide a controlled polymerisation. Using iodine as co-initiator allowed a decrease of the kp/ki ratio that gave better control of the polymerisation. DOSY NMR and viscosity characterisations were undertaken, and both techniques lead to the demonstration of a lower hydrodynamic volume of the star polymers versus the linear counterparts, for compounds of the same molecular weight.
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29
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Bakkour Y, Darcos V, Li S, Coudane J. Diffusion ordered spectroscopy (DOSY) as a powerful tool for amphiphilic block copolymer characterization and for critical micelle concentration (CMC) determination. Polym Chem 2012. [DOI: 10.1039/c2py20054f] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Shukla M, Dorai K. Resolving overlaps in diffusion encoded spectra using band-selective pulses in a 3D BEST-DOSY experiment. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2011; 213:69-75. [PMID: 21937251 DOI: 10.1016/j.jmr.2011.08.038] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2011] [Revised: 08/10/2011] [Accepted: 08/30/2011] [Indexed: 05/31/2023]
Abstract
A novel diffusion-edited 3D NMR experiment that incorporates a BEST-HMQC pulse sequence in its implementation is presented. Heteronuclear 3D DOSY NMR experiments are useful in elucidating the diffusion coefficients of individual constituents of a mixture, especially in cases where the proton NMR 2D DOSY spectra show considerable overlap. The present 3D BEST-DOSY pulse sequence provides a more sensitive and less time-consuming alternative to standard 3D HMQC-DOSY experiments. Cleanly separated subspectra of individual mixture components are obtained, leading to the determination of diffusion coefficients with better accuracy. The feasibility of the technique is demonstrated on a mixture of amino acids, on a mixture of small molecules with similar diffusion coefficients, and on a complex mixture with large dynamic range (commercial gasoline). The implications of using adiabatic decoupling schemes and band-selective shaped pulses for selective BEST-DOSY experiments on proteins are also discussed.
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Affiliation(s)
- Matsyendranath Shukla
- Department of Physics, Indian Institute of Science Education & Research (IISER) Mohali, Chandigarh 160 019, India.
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31
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Billiet L, Gok O, Dove AP, Sanyal A, Nguyen LTT, Du Prez FE. Metal-Free Functionalization of Linear Polyurethanes by Thiol-Maleimide Coupling Reactions. Macromolecules 2011. [DOI: 10.1021/ma201323g] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Leen Billiet
- Department of Organic Chemistry, Polymer Chemistry Research Group, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium
| | - Ozgul Gok
- Department of Chemistry, Bogazici University, Bebek 34342, Istanbul, Turkey
| | - Andrew P. Dove
- Department of Chemistry, University of Warwick, Coventry, U.K., CV4 7AL
| | - Amitav Sanyal
- Department of Chemistry, Bogazici University, Bebek 34342, Istanbul, Turkey
| | - Le-Thu T. Nguyen
- Department of Organic Chemistry, Polymer Chemistry Research Group, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium
| | - Filip E. Du Prez
- Department of Organic Chemistry, Polymer Chemistry Research Group, Ghent University, Krijgslaan 281 S4-bis, B-9000 Ghent, Belgium
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32
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Lefay C, Glé D, Rollet M, Mazzolini J, Bertin D, Viel S, Schmid C, Boisson C, D'Agosto F, Gigmes D, Barner-Kowollik C. Block copolymers via macromercaptan initiated ring opening polymerization. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/pola.24496] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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