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1
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Lane D, Liaghati Mobarhan Y, Soong R, Ning P, Bermel W, Tabatabaei Anaraki M, Wu B, Heumann H, Gundy M, Boenisch H, Jeong TY, Kovacevic V, Simpson MJ, Simpson AJ. Understanding the Fate of Environmental Chemicals Inside Living Organisms: NMR-Based 13C Isotopic Suppression Selects Only the Molecule of Interest within 13C-Enriched Organisms. Anal Chem 2019; 91:15000-15008. [DOI: 10.1021/acs.analchem.9b03596] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Daniel Lane
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada M5S 3H6
| | - Yalda Liaghati Mobarhan
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - Ronald Soong
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - Paris Ning
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - Wolfgang Bermel
- Bruker BioSpin GmbH, Silberstreifen 4, 76287 Rheinstetten, Germany
| | - Maryam Tabatabaei Anaraki
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - Bing Wu
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | | | | | | | - Tae-Yong Jeong
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
| | - Vera Kovacevic
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada M5S 3H6
| | - Myrna J. Simpson
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada M5S 3H6
| | - André J. Simpson
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, Canada M1C 1A4
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON, Canada M5S 3H6
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2
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Nielsen AB, Hansen MR, Andersen JE, Vosegaard T. Single-spin vector analysis of strongly coupled nuclei in TOCSY NMR experiments. J Chem Phys 2019; 151:134117. [DOI: 10.1063/1.5123046] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Anders B. Nielsen
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
- Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
| | - Michael Ryan Hansen
- Institute for Physical Chemistry, Westfälische Wilhelms-Universität Münster, Corrensstrasse 28/30, D-48149 Münster, Germany
| | - Jørgen Ellegaard Andersen
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
- Department of Mathematics, Center for Quantum Geometry of Moduli Spaces, Ny Munkegade 118, DK-8000 Aarhus C, Denmark
| | - Thomas Vosegaard
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
- Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
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Marchione AA, Diaz EL. Broadband 19F TOCSY using BURBOP-based spin lock. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2018; 286:143-147. [PMID: 29245080 DOI: 10.1016/j.jmr.2017.12.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 11/18/2017] [Accepted: 12/02/2017] [Indexed: 06/07/2023]
Abstract
A train of BURBOP universal rotation pulses has been used to generate a spin lock sufficient to observe TOCSY correlations over a 46 kHz 19F spectral window (i.e. 122 ppm on a 9.4 T spectrometer). This spin lock requires lower RF field (γB1 = 15 kHz), and was employed over a wider spectral window, than previously reported DIPSI-2 spin locks. The BURBOP-based spin lock was effected for 80-160 ms periods with a 2% duty cycle without evidence of harm to the RF coil of the probehead. Spectral separation and full set of correlations were obtained for a mixture of perfluorocarbons.
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Kadeřávek P, Strouk L, Cousin SF, Charlier C, Bodenhausen G, Marquardsen T, Tyburn J, Bovier P, Engelke F, Maas W, Ferrage F. Full Correlations across Broad NMR Spectra by Two‐Field Total Correlation Spectroscopy. Chemphyschem 2017; 18:2772-2776. [DOI: 10.1002/cphc.201700369] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 04/28/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Pavel Kadeřávek
- Département de Chimie, Laboratoire des Biomolécules (LBM), École Normale Supérieure—PSL Research University, UPMC Univ Paris 06, CNRS 24 rue Lhomond 75005 Paris France
- Laboratoire des Biomolécules (LBM)Sorbonne Universités, UPMC, Univ Paris 06, Ecole Normale Supérieure, CNRS France
| | - Léonard Strouk
- Département de Chimie, Laboratoire des Biomolécules (LBM), École Normale Supérieure—PSL Research University, UPMC Univ Paris 06, CNRS 24 rue Lhomond 75005 Paris France
- Laboratoire des Biomolécules (LBM)Sorbonne Universités, UPMC, Univ Paris 06, Ecole Normale Supérieure, CNRS France
| | - Samuel F. Cousin
- Département de Chimie, Laboratoire des Biomolécules (LBM), École Normale Supérieure—PSL Research University, UPMC Univ Paris 06, CNRS 24 rue Lhomond 75005 Paris France
- Laboratoire des Biomolécules (LBM)Sorbonne Universités, UPMC, Univ Paris 06, Ecole Normale Supérieure, CNRS France
- Current address: Department of Chemical PhysicsWeizmann Institute of Science Rehovot Israel
| | - Cyril Charlier
- Département de Chimie, Laboratoire des Biomolécules (LBM), École Normale Supérieure—PSL Research University, UPMC Univ Paris 06, CNRS 24 rue Lhomond 75005 Paris France
- Laboratoire des Biomolécules (LBM)Sorbonne Universités, UPMC, Univ Paris 06, Ecole Normale Supérieure, CNRS France
- Current address: Laboratory of Chemical PhysicsNIDDK, NIH Bethesda MD 20892 USA
| | - Geoffrey Bodenhausen
- Département de Chimie, Laboratoire des Biomolécules (LBM), École Normale Supérieure—PSL Research University, UPMC Univ Paris 06, CNRS 24 rue Lhomond 75005 Paris France
- Laboratoire des Biomolécules (LBM)Sorbonne Universités, UPMC, Univ Paris 06, Ecole Normale Supérieure, CNRS France
| | | | - Jean‐Max Tyburn
- Bruker BioSpin 34 rue de l'Industrie BP 10002 67166 Wissembourg Cedex France
| | | | - Frank Engelke
- Bruker BioSpin GmbH Silberstreifen 4 76287 Rheinstetten Germany
| | - Werner Maas
- Bruker BioSpin Billerica Massachusetts 01821 USA
| | - Fabien Ferrage
- Département de Chimie, Laboratoire des Biomolécules (LBM), École Normale Supérieure—PSL Research University, UPMC Univ Paris 06, CNRS 24 rue Lhomond 75005 Paris France
- Laboratoire des Biomolécules (LBM)Sorbonne Universités, UPMC, Univ Paris 06, Ecole Normale Supérieure, CNRS France
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Coote P, Bermel W, Wagner G, Arthanari H. Analytical optimization of active bandwidth and quality factor for TOCSY experiments in NMR spectroscopy. JOURNAL OF BIOMOLECULAR NMR 2016; 66:9-20. [PMID: 27515670 PMCID: PMC5175489 DOI: 10.1007/s10858-016-0051-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 08/03/2016] [Indexed: 06/06/2023]
Abstract
Active bandwidth and global quality factor are the two main metrics used to quantitatively compare the performance of TOCSY mixing sequences. Active bandwidth refers to the spectral region over which at least 50 % of the magnetization is transferred via a coupling. Global quality factor scores mixing sequences according to the worst-case transfer over a range of possible mixing times and chemical shifts. Both metrics reward high transfer efficiency away from the main diagonal of a two-dimensional spectrum. They can therefore be used to design mixing sequences that will function favorably in experiments. Here, we develop optimization methods tailored to these two metrics, including precise control of off-diagonal cross peak buildup rates. These methods produce square shaped transfer efficiency profiles, directly matching the desirable properties that the metrics are intended to measure. The optimization methods are analytical, rather than numerical. The two resultant shaped pulses have significantly higher active bandwidth and quality factor, respectively, than all other known sequences. They are therefore highly suitable for use in NMR spectroscopy. We include experimental verification of these improved waveforms on small molecule and protein samples.
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Affiliation(s)
| | - Wolfgang Bermel
- Bruker BioSpin GmbH, Silberstrifen 4, 76287, Rheinstetten, Germany
| | | | - Haribabu Arthanari
- Harvard Medical School, Boston, MA, USA.
- Dana-Farber Cancer Institute, Boston, MA, USA.
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Wei Z, Yang J, Chen Y, Lin Y, Chen Z. Line broadening interference for high-resolution nuclear magnetic resonance spectra under inhomogeneous magnetic fields. J Chem Phys 2015; 142:134202. [DOI: 10.1063/1.4916520] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Zhiliang Wei
- Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005, China
| | - Jian Yang
- Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005, China
| | - Youhe Chen
- Department of Electronic Engineering, Xiamen University, Xiamen 361005, China
| | - Yanqin Lin
- Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005, China
| | - Zhong Chen
- Department of Electronic Science, Fujian Provincial Key Laboratory of Plasma and Magnetic Resonance, State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University, Xiamen 361005, China
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