1
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Marshall A, Salhov A, Gierse M, Müller C, Keim M, Lucas S, Parker A, Scheuer J, Vassiliou C, Neumann P, Jelezko F, Retzker A, Blanchard JW, Schwartz I, Knecht S. Radio-Frequency Sweeps at Microtesla Fields for Parahydrogen-Induced Polarization of Biomolecules. J Phys Chem Lett 2023; 14:2125-2132. [PMID: 36802642 DOI: 10.1021/acs.jpclett.2c03785] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Magnetic resonance imaging of 13C-labeled metabolites enhanced by parahydrogen-induced polarization (PHIP) enables real-time monitoring of processes within the body. We introduce a robust, easily implementable technique for transferring parahydrogen-derived singlet order into 13C magnetization using adiabatic radio frequency sweeps at microtesla fields. We experimentally demonstrate the applicability of this technique to several molecules, including some molecules relevant for metabolic imaging, where we show significant improvements in the achievable polarization, in some cases reaching above 60% nuclear spin polarization. Furthermore, we introduce a site-selective deuteration scheme, where deuterium is included in the coupling network of a pyruvate ester to enhance the efficiency of the polarization transfer. These improvements are enabled by the fact that the transfer protocol avoids relaxation induced by strongly coupled quadrupolar nuclei.
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Affiliation(s)
- Alastair Marshall
- NVision Imaging Technologies GmbH, 89081 Ulm, Germany
- Institute for Quantum Optics (IQO) and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm, Albert-Einstein-Allee 11, D-89081 Ulm, Germany
| | - Alon Salhov
- NVision Imaging Technologies GmbH, 89081 Ulm, Germany
- Racah Institute of Physics, The Hebrew University of Jerusalem, Givat Ram, Jerusalem 91904, Israel
| | - Martin Gierse
- NVision Imaging Technologies GmbH, 89081 Ulm, Germany
- Institute for Quantum Optics (IQO) and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm, Albert-Einstein-Allee 11, D-89081 Ulm, Germany
| | | | - Michael Keim
- NVision Imaging Technologies GmbH, 89081 Ulm, Germany
| | | | - Anna Parker
- NVision Imaging Technologies GmbH, 89081 Ulm, Germany
| | | | | | | | - Fedor Jelezko
- NVision Imaging Technologies GmbH, 89081 Ulm, Germany
- Institute for Quantum Optics (IQO) and Center for Integrated Quantum Science and Technology (IQST), Universität Ulm, Albert-Einstein-Allee 11, D-89081 Ulm, Germany
| | - Alex Retzker
- NVision Imaging Technologies GmbH, 89081 Ulm, Germany
- Racah Institute of Physics, The Hebrew University of Jerusalem, Givat Ram, Jerusalem 91904, Israel
| | | | - Ilai Schwartz
- NVision Imaging Technologies GmbH, 89081 Ulm, Germany
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2
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Eills J, Budker D, Cavagnero S, Chekmenev EY, Elliott SJ, Jannin S, Lesage A, Matysik J, Meersmann T, Prisner T, Reimer JA, Yang H, Koptyug IV. Spin Hyperpolarization in Modern Magnetic Resonance. Chem Rev 2023; 123:1417-1551. [PMID: 36701528 PMCID: PMC9951229 DOI: 10.1021/acs.chemrev.2c00534] [Citation(s) in RCA: 64] [Impact Index Per Article: 64.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Indexed: 01/27/2023]
Abstract
Magnetic resonance techniques are successfully utilized in a broad range of scientific disciplines and in various practical applications, with medical magnetic resonance imaging being the most widely known example. Currently, both fundamental and applied magnetic resonance are enjoying a major boost owing to the rapidly developing field of spin hyperpolarization. Hyperpolarization techniques are able to enhance signal intensities in magnetic resonance by several orders of magnitude, and thus to largely overcome its major disadvantage of relatively low sensitivity. This provides new impetus for existing applications of magnetic resonance and opens the gates to exciting new possibilities. In this review, we provide a unified picture of the many methods and techniques that fall under the umbrella term "hyperpolarization" but are currently seldom perceived as integral parts of the same field. Specifically, before delving into the individual techniques, we provide a detailed analysis of the underlying principles of spin hyperpolarization. We attempt to uncover and classify the origins of hyperpolarization, to establish its sources and the specific mechanisms that enable the flow of polarization from a source to the target spins. We then give a more detailed analysis of individual hyperpolarization techniques: the mechanisms by which they work, fundamental and technical requirements, characteristic applications, unresolved issues, and possible future directions. We are seeing a continuous growth of activity in the field of spin hyperpolarization, and we expect the field to flourish as new and improved hyperpolarization techniques are implemented. Some key areas for development are in prolonging polarization lifetimes, making hyperpolarization techniques more generally applicable to chemical/biological systems, reducing the technical and equipment requirements, and creating more efficient excitation and detection schemes. We hope this review will facilitate the sharing of knowledge between subfields within the broad topic of hyperpolarization, to help overcome existing challenges in magnetic resonance and enable novel applications.
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Affiliation(s)
- James Eills
- Institute
for Bioengineering of Catalonia, Barcelona
Institute of Science and Technology, 08028Barcelona, Spain
| | - Dmitry Budker
- Johannes
Gutenberg-Universität Mainz, 55128Mainz, Germany
- Helmholtz-Institut,
GSI Helmholtzzentrum für Schwerionenforschung, 55128Mainz, Germany
- Department
of Physics, UC Berkeley, Berkeley, California94720, United States
| | - Silvia Cavagnero
- Department
of Chemistry, University of Wisconsin, Madison, Madison, Wisconsin53706, United States
| | - Eduard Y. Chekmenev
- Department
of Chemistry, Integrative Biosciences (IBio), Karmanos Cancer Institute
(KCI), Wayne State University, Detroit, Michigan48202, United States
- Russian
Academy of Sciences, Moscow119991, Russia
| | - Stuart J. Elliott
- Molecular
Sciences Research Hub, Imperial College
London, LondonW12 0BZ, United Kingdom
| | - Sami Jannin
- Centre
de RMN à Hauts Champs de Lyon, Université
de Lyon, CNRS, ENS Lyon, Université Lyon 1, 69100Villeurbanne, France
| | - Anne Lesage
- Centre
de RMN à Hauts Champs de Lyon, Université
de Lyon, CNRS, ENS Lyon, Université Lyon 1, 69100Villeurbanne, France
| | - Jörg Matysik
- Institut
für Analytische Chemie, Universität
Leipzig, Linnéstr. 3, 04103Leipzig, Germany
| | - Thomas Meersmann
- Sir
Peter Mansfield Imaging Centre, University Park, School of Medicine, University of Nottingham, NottinghamNG7 2RD, United Kingdom
| | - Thomas Prisner
- Institute
of Physical and Theoretical Chemistry and Center of Biomolecular Magnetic
Resonance, Goethe University Frankfurt, , 60438Frankfurt
am Main, Germany
| | - Jeffrey A. Reimer
- Department
of Chemical and Biomolecular Engineering, UC Berkeley, and Materials Science Division, Lawrence Berkeley National
Laboratory, Berkeley, California94720, United States
| | - Hanming Yang
- Department
of Chemistry, University of Wisconsin, Madison, Madison, Wisconsin53706, United States
| | - Igor V. Koptyug
- International Tomography Center, Siberian
Branch of the Russian Academy
of Sciences, 630090Novosibirsk, Russia
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3
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Bengs C, Dagys L, Levitt MH. Robust transformation of singlet order into heteronuclear magnetisation over an extended coupling range. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2020; 321:106850. [PMID: 33190080 DOI: 10.1016/j.jmr.2020.106850] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/06/2020] [Accepted: 10/09/2020] [Indexed: 06/11/2023]
Abstract
Several important NMR procedures involve the conversion of nuclear singlet order into heteronuclear magnetisation, including some experiments involving long-lived spin states and parahydrogen-induced hyperpolarisation. However most existing sequences suffer from a limited range of validity or a lack of robustness against experimental imperfections. We present a new radio-frequency scheme for the transformation of the singlet order of a chemically-equivalent homonuclear spin pair into the magnetisation of a heteronuclear coupling partner. The proposed radio-frequency (RF) scheme is called gS2hM (generalized singlet-to-heteronuclear magnetisation) and has good compensation for common experimental errors such as RF and static field inhomogeneities. The sequence retains its robustness for homonuclear spin pairs in the intermediate coupling regime, characterised by the in-pair coupling being of the same order of magnitude as the difference between the out-of-pair couplings. This is a substantial improvement to the validity range of existing sequences. Analytical solutions for the pulse sequence parameters are provided. Experimental results are shown for two test cases.
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Affiliation(s)
- Christian Bengs
- School of Chemistry, Southampton University, University Road, SO17 1BJ, UK.
| | - Laurynas Dagys
- School of Chemistry, Southampton University, University Road, SO17 1BJ, UK.
| | - Malcolm H Levitt
- School of Chemistry, Southampton University, University Road, SO17 1BJ, UK.
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4
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Ivanov KL, Lukzen NN. Multiplet-to-net CIDEP conversion by MW-pulses with adiabatically ramped amplitude. Mol Phys 2019. [DOI: 10.1080/00268976.2018.1562121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Konstantin L. Ivanov
- International Tomography Center, Siberian Branch of the Russian Academy of Science, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Nikita N. Lukzen
- International Tomography Center, Siberian Branch of the Russian Academy of Science, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
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5
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Levitt MH. Long live the singlet state! JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2019; 306:69-74. [PMID: 31307892 DOI: 10.1016/j.jmr.2019.07.029] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 03/30/2019] [Accepted: 07/08/2019] [Indexed: 06/10/2023]
Abstract
The field of long-lived states in NMR is reviewed. The relationship of long-lived-state phenomena to those associated with spin isomerism is discussed. A brief overview is given of key developments in the field of long-lived states, including chemical symmetry-switching, the role of magnetic equivalence and magnetic inequivalence, long-lived coherences, hyperpolarized NMR involving long-lived states, quantum-rotor-induced polarization, and parahydrogen-induced hyperpolarization. Current application areas of long-lived states are reviewed, and a peer into the crystal ball reveals future developments in the field.
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Affiliation(s)
- Malcolm H Levitt
- School of Chemistry, University of Southampton, University Road, SO17 1BJ Southampton, UK.
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6
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Kiryutin AS, Sauer G, Tietze D, Brodrecht M, Knecht S, Yurkovskaya AV, Ivanov KL, Avrutina O, Kolmar H, Buntkowsky G. Ultrafast Single‐Scan 2D NMR Spectroscopic Detection of a PHIP‐Hyperpolarized Protease Inhibitor. Chemistry 2019; 25:4025-4030. [DOI: 10.1002/chem.201900079] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Indexed: 01/19/2023]
Affiliation(s)
- Alexey S. Kiryutin
- International Tomography Center Institutskaya 3A Novosibirsk Russia
- Novosibirsk State University Pirogova 2 Novosibirsk 630090 Russia
| | - Grit Sauer
- Eduard-Zintl-Institut für Anorganische und Physikalische ChemieTechnische Universität Darmstadt Alarich-Weiss-Straße 8 64287 Darmstadt Germany
| | - Daniel Tietze
- Eduard-Zintl-Institut für Anorganische und Physikalische ChemieTechnische Universität Darmstadt Alarich-Weiss-Straße 8 64287 Darmstadt Germany
| | - Martin Brodrecht
- Eduard-Zintl-Institut für Anorganische und Physikalische ChemieTechnische Universität Darmstadt Alarich-Weiss-Straße 8 64287 Darmstadt Germany
| | - Stephan Knecht
- Eduard-Zintl-Institut für Anorganische und Physikalische ChemieTechnische Universität Darmstadt Alarich-Weiss-Straße 8 64287 Darmstadt Germany
| | - Alexandra V. Yurkovskaya
- International Tomography Center Institutskaya 3A Novosibirsk Russia
- Novosibirsk State University Pirogova 2 Novosibirsk 630090 Russia
| | - Konstantin L. Ivanov
- International Tomography Center Institutskaya 3A Novosibirsk Russia
- Novosibirsk State University Pirogova 2 Novosibirsk 630090 Russia
| | - Olga Avrutina
- Clemens-Schöpf-Institut für Organische Chemie und BiochemieTechnische Universität Darmstadt Alarich-Weiss-Straße 4 64287 Darmstadt Germany
| | - Harald Kolmar
- Clemens-Schöpf-Institut für Organische Chemie und BiochemieTechnische Universität Darmstadt Alarich-Weiss-Straße 4 64287 Darmstadt Germany
| | - Gerd Buntkowsky
- Eduard-Zintl-Institut für Anorganische und Physikalische ChemieTechnische Universität Darmstadt Alarich-Weiss-Straße 8 64287 Darmstadt Germany
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7
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Kiryutin AS, Panov MS, Yurkovskaya AV, Ivanov KL, Bodenhausen G. Proton Relaxometry of Long-Lived Spin Order. Chemphyschem 2019; 20:766-772. [PMID: 30600920 DOI: 10.1002/cphc.201800960] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 11/28/2018] [Indexed: 11/06/2022]
Abstract
A study of long-lived spin order in chlorothiophene carboxylates at both high and low magnetic fields is presented. Careful sample preparation (removal of dissolved oxygen in solution, chelating of paramagnetic impurities, reduction of convection) allows one to obtain very long-lived singlet order of the two coupled protons in chlorothiophene derivatives, having lifetimes of about 130 s in D2 O and 240 s in deuterated methanol, which are much longer than the T1 -relaxation times (18 and 30 s, respectively, at a field B 0 =9.4 T). In protonated solvents the relaxation times become shorter, but the lifetime is still substantially longer than T 1 . In addition, long-lived coherences are shown to have lifetimes as long as 30 s. Thiophene derivatives can be used as molecular tags to study slow transport, slow dynamics and slow chemical processes, as has been shown in recent years.
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Affiliation(s)
- Alexey S. Kiryutin
- International Tomography Center SB RAS; Institutskaya 3 A Novosibirsk 630090 Russia
- Novosibirsk State University; Pirogova 2 Novosibirsk 630090 Russia
| | - Mikhail S. Panov
- International Tomography Center SB RAS; Institutskaya 3 A Novosibirsk 630090 Russia
- Novosibirsk State University; Pirogova 2 Novosibirsk 630090 Russia
| | - Alexandra V. Yurkovskaya
- International Tomography Center SB RAS; Institutskaya 3 A Novosibirsk 630090 Russia
- Novosibirsk State University; Pirogova 2 Novosibirsk 630090 Russia
| | - Konstantin L. Ivanov
- International Tomography Center SB RAS; Institutskaya 3 A Novosibirsk 630090 Russia
- Novosibirsk State University; Pirogova 2 Novosibirsk 630090 Russia
| | - Geoffrey Bodenhausen
- Laboratoire des biomolécules; LBM; Département de chimie; École Normale Supérieure; PSL University; Sorbonne Université; CNRS; 24 rue Lhomond 75231 Paris cedex 05 France
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8
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Pravdivtsev AN, Kozinenko VP, Hövener JB. Only Para-Hydrogen Spectroscopy (OPSY) Revisited: In-Phase Spectra for Chemical Analysis and Imaging. J Phys Chem A 2018; 122:8948-8956. [PMID: 30293421 DOI: 10.1021/acs.jpca.8b07459] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We revisited only para-hydrogen spectroscopy (OPSY) for the analysis of para-hydrogen-enhanced NMR spectra at high magnetic fields. We found that the sign of the gradients and interpulse delays are pivotal for the performance of the sequence: the variant of double-quantum filter OPSY, where the second time interval is twice as long as the first one (OPSYd-12) converts the antiphase spectrum to in-phase and efficiently suppresses the background signal in a single scan better than the other variants. OPSYd-12 strongly facilitates the analysis of para-hydrogen-derived NMR spectra in homogeneous and inhomogeneous magnetic fields. Furthermore, the net magnetization produced is essential for subsequent applications such as imaging, e.g., in a reaction chamber or in vivo.
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Affiliation(s)
- Andrey N Pravdivtsev
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein (UKSH) , Kiel University , Am Botanischen Garten 18 , 24118 , Kiel , Germany
| | - Vitaly P Kozinenko
- Novosibirsk State University , Pirogova str. 2 , 630090 , Novosibirsk , Russia.,International Tomography Center SB RAS , Institutskaya str. 3a , 630090 , Novosibirsk , Russia
| | - Jan-Bernd Hövener
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Medical Center Schleswig-Holstein (UKSH) , Kiel University , Am Botanischen Garten 18 , 24118 , Kiel , Germany
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9
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Cavallari E, Carrera C, Aime S, Reineri F. Metabolic Studies of Tumor Cells Using [1-13
C] Pyruvate Hyperpolarized by Means of PHIP-Side Arm Hydrogenation. Chemphyschem 2018; 20:318-325. [DOI: 10.1002/cphc.201800652] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Eleonora Cavallari
- Dept. Molecular Biotechnology and Health Sciences; University of Torino; Via Nizza 52 Torino Italy
| | - Carla Carrera
- Dept. Molecular Biotechnology and Health Sciences; University of Torino; Via Nizza 52 Torino Italy
| | - Silvio Aime
- Dept. Molecular Biotechnology and Health Sciences; University of Torino; Via Nizza 52 Torino Italy
| | - Francesca Reineri
- Dept. Molecular Biotechnology and Health Sciences; University of Torino; Via Nizza 52 Torino Italy
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10
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Hövener JB, Pravdivtsev AN, Kidd B, Bowers CR, Glöggler S, Kovtunov KV, Plaumann M, Katz-Brull R, Buckenmaier K, Jerschow A, Reineri F, Theis T, Shchepin RV, Wagner S, Bhattacharya P, Zacharias NM, Chekmenev EY. Parahydrogen-Based Hyperpolarization for Biomedicine. Angew Chem Int Ed Engl 2018; 57:11140-11162. [PMID: 29484795 PMCID: PMC6105405 DOI: 10.1002/anie.201711842] [Citation(s) in RCA: 228] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 02/14/2018] [Indexed: 12/22/2022]
Abstract
Magnetic resonance (MR) is one of the most versatile and useful physical effects used for human imaging, chemical analysis, and the elucidation of molecular structures. However, its full potential is rarely used, because only a small fraction of the nuclear spin ensemble is polarized, that is, aligned with the applied static magnetic field. Hyperpolarization methods seek other means to increase the polarization and thus the MR signal. A unique source of pure spin order is the entangled singlet spin state of dihydrogen, parahydrogen (pH2 ), which is inherently stable and long-lived. When brought into contact with another molecule, this "spin order on demand" allows the MR signal to be enhanced by several orders of magnitude. Considerable progress has been made in the past decade in the area of pH2 -based hyperpolarization techniques for biomedical applications. It is the goal of this Review to provide a selective overview of these developments, covering the areas of spin physics, catalysis, instrumentation, preparation of the contrast agents, and applications.
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Affiliation(s)
- Jan-Bernd Hövener
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Hospital Schleswig-Holstein, Kiel University, Am Botanischen Garten 14, 24118, Kiel, Germany
| | - Andrey N Pravdivtsev
- Section Biomedical Imaging, Molecular Imaging North Competence Center (MOIN CC), Department of Radiology and Neuroradiology, University Hospital Schleswig-Holstein, Kiel University, Am Botanischen Garten 14, 24118, Kiel, Germany
| | - Bryce Kidd
- Department of Chemistry and Biochemistry, Southern Illinois University, Carbondale, IL, 62901, USA
| | - C Russell Bowers
- Department of Chemistry, University of Florida, Gainesville, FL, 32611, USA
| | - Stefan Glöggler
- Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077, Göttingen, Germany
- Center for Biostructural Imaging of Neurodegeneration, Von-Siebold-Strasse 3A, 37075, Göttingen, Germany
| | - Kirill V Kovtunov
- International Tomography Center SB RAS, 630090, Novosibirsk, Russia
- Department of Natural Sciences, Novosibirsk State University, Pirogova St. 2, 630090, Novosibirsk, Russia
| | - Markus Plaumann
- Department of Biometry and Medical Informatics, Otto-von-Guericke University of Magdeburg, Leipziger Strasse 44, 39120, Magdeburg, Germany
| | - Rachel Katz-Brull
- Department of Radiology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Kai Buckenmaier
- Magnetic resonance center, Max Planck Institute for Biological Cybernetics, Tuebingen, Germany
| | - Alexej Jerschow
- Department of Chemistry, New York University, 100 Washington Sq. East, New York, NY, 10003, USA
| | - Francesca Reineri
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, Torino, Italy
| | - Thomas Theis
- Department of Chemistry & Department of Physics, Duke University, Durham, NC, 27708, USA
| | - Roman V Shchepin
- Vanderbilt University Institute of Imaging Science (VUIIS), Department of Radiology and Radiological Sciences, 1161 21st Ave South, MCN AA-1105, Nashville, TN, 37027, USA
| | - Shawn Wagner
- Biomedical Imaging Research Institute, Cedars Sinai Medical Center, Los Angeles, CA, 90048, USA
| | - Pratip Bhattacharya
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Niki M Zacharias
- Department of Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Eduard Y Chekmenev
- Russian Academy of Sciences (RAS), Leninskiy Prospekt 14, Moscow, 119991, Russia
- Department of Chemistry, Karmanos Cancer Institute (KCI) and Integrative Biosciences (Ibio), Wayne State University, Detroit, MI, 48202, USA
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11
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Hövener J, Pravdivtsev AN, Kidd B, Bowers CR, Glöggler S, Kovtunov KV, Plaumann M, Katz‐Brull R, Buckenmaier K, Jerschow A, Reineri F, Theis T, Shchepin RV, Wagner S, Bhattacharya P, Zacharias NM, Chekmenev EY. Parawasserstoff‐basierte Hyperpolarisierung für die Biomedizin. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201711842] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jan‐Bernd Hövener
- Sektion Biomedizinische Bildgebung, Molecular Imaging North Competence Center (MOIN CC) Klinik für Radiologie und Neuroradiologie Universitätsklinikum Schleswig-Holstein, Christian-Albrechts-Universität Kiel Am Botanischen Garten 14 24118 Kiel Deutschland
| | - Andrey N. Pravdivtsev
- Sektion Biomedizinische Bildgebung, Molecular Imaging North Competence Center (MOIN CC) Klinik für Radiologie und Neuroradiologie Universitätsklinikum Schleswig-Holstein, Christian-Albrechts-Universität Kiel Am Botanischen Garten 14 24118 Kiel Deutschland
| | - Bryce Kidd
- Department of Chemistry and Biochemistry Southern Illinois University Carbondale IL 62901 USA
| | - C. Russell Bowers
- Department of Chemistry University of Florida Gainesville FL 32611 USA
| | - Stefan Glöggler
- Max Planck-Institut für Biophysikalische Chemie Am Fassberg 11 37077 Göttingen Deutschland
- Center for Biostructural Imaging of Neurodegeneration Von-Siebold-Straße 3A 37075 Göttingen Deutschland
| | - Kirill V. Kovtunov
- International Tomography Center SB RAS 630090 Novosibirsk Russland
- Department of Natural Sciences Novosibirsk State University Pirogova St. 2 630090 Novosibirsk Russland
| | - Markus Plaumann
- Institut für Biometrie und Medizinische Informatik Otto-von-Guericke-Universität Magdeburg Leipziger Straße 44 39120 Magdeburg Deutschland
| | - Rachel Katz‐Brull
- Department of Radiology Hadassah-Hebrew University Medical Center Jerusalem Israel
| | - Kai Buckenmaier
- Magnetresonanz-Zentrum Max Planck-Institut für biologische Kybernetik Tübingen Deutschland
| | - Alexej Jerschow
- Department of Chemistry New York University 100 Washington Sq. East New York NY 10003 USA
| | - Francesca Reineri
- Department of Molecular Biotechnology and Health Sciences University of Torino via Nizza 52 Torino Italien
| | - Thomas Theis
- Department of Chemistry & Department of Physics Duke University Durham NC 27708 USA
| | - Roman V. Shchepin
- Vanderbilt University Institute of Imaging Science (VUIIS) Department of Radiology and Radiological Sciences 1161 21st Ave South, MCN AA-1105 Nashville TN 37027 USA
| | - Shawn Wagner
- Biomedical Imaging Research Institute Cedars Sinai Medical Center Los Angeles CA 90048 USA
| | - Pratip Bhattacharya
- Department of Cancer Systems Imaging University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Niki M. Zacharias
- Department of Cancer Systems Imaging University of Texas MD Anderson Cancer Center Houston TX 77030 USA
| | - Eduard Y. Chekmenev
- Vanderbilt University Institute of Imaging Science (VUIIS) Department of Radiology and Radiological Sciences 1161 21st Ave South, MCN AA-1105 Nashville TN 37027 USA
- Russian Academy of Sciences (RAS) Leninskiy Prospekt 14 Moscow 119991 Russland
- Department of Chemistry, Karmanos Cancer Institute (KCI) and Integrative Biosciences (Ibio) Wayne State University Detroit MI 48202 USA
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12
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Pileio G. Singlet NMR methodology in two-spin-1/2 systems. PROGRESS IN NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY 2017; 98-99:1-19. [PMID: 28283084 DOI: 10.1016/j.pnmrs.2016.11.002] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 11/23/2016] [Accepted: 11/23/2016] [Indexed: 06/06/2023]
Abstract
This paper discusses methodology developed over the past 12years in order to access and manipulate singlet order in systems comprising two coupled spin-1/2 nuclei in liquid-state nuclear magnetic resonance. Pulse sequences that are valid for different regimes are discussed, and fully analytical proofs are given using different spin dynamics techniques that include product operator methods, the single transition operator formalism, and average Hamiltonian theory. Methods used to filter singlet order from byproducts of pulse sequences are also listed and discussed analytically. The theoretical maximum amplitudes of the transformations achieved by these techniques are reported, together with the results of numerical simulations performed using custom-built simulation code.
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Affiliation(s)
- Giuseppe Pileio
- Department of Chemistry, University of Southampton, SO17 1BJ, UK.
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Eills J, Stevanato G, Bengs C, Glöggler S, Elliott SJ, Alonso-Valdesueiro J, Pileio G, Levitt MH. Singlet order conversion and parahydrogen-induced hyperpolarization of 13C nuclei in near-equivalent spin systems. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2017; 274:163-172. [PMID: 27916509 DOI: 10.1016/j.jmr.2016.11.010] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 11/18/2016] [Accepted: 11/19/2016] [Indexed: 06/06/2023]
Abstract
We have demonstrated two radiofrequency pulse methods which convert the nuclear singlet order of proton spin pairs into the magnetisation of nearby 13C nuclei. These irradiation schemes work well in the near-equivalence regime of the three-spin system, which applies when the difference in the two 1H-13C couplings is much smaller than the 1H-1H coupling. We use pulse sequences to generate thermally polarized singlet states in a reproducible manner, and study the singlet-to-magnetisation transfer step. Preliminary results demonstrate a parahydrogen-enhanced 13C polarization level of at least 9%, providing a signal enhancement factor of more than 9000, using 50% enriched parahydrogen.
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Cavallari E, Carrera C, Aime S, Reineri F. 13 C MR Hyperpolarization of Lactate by Using ParaHydrogen and Metabolic Transformation in Vitro. Chemistry 2016; 23:1200-1204. [PMID: 27870463 DOI: 10.1002/chem.201605329] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Indexed: 12/16/2022]
Abstract
Hyperpolarization of the 13 C magnetic resonance signal of l-[1-13 C]lactate has been obtained using the chemically based, cost-effective method called parahydrogen-induced polarization by means of side-arm hydrogenation (PHIP-SAH). Two ester derivatives of lactate were tested and the factors that determine the polarization level on the product have been investigated in detail. The metabolic conversion of hyperpolarized l-[1-13 C]lactate into pyruvate has been observed in vitro using lactate dehydrogenase (LDH) and in a cells lysate. From the acquisition of a series of 13 C NMR spectra, the metabolic build-up of the [1-13 C]pyruvate signal has been observed. These studies demonstrate that, even if the experimental set-up used for these PHIP-SAH hyperpolarization studies is still far from optimal, the attained polarization level is already sufficient to carry out in vitro metabolic studies.
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Affiliation(s)
- Eleonora Cavallari
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, Torino, Italy
| | - Carla Carrera
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, Torino, Italy
| | - Silvio Aime
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, Torino, Italy.,Istituto Bioimmagini e Biostrutture del CNR, Sezione di Torino c/o Center of Molecular Imaging, Via Nizza 52, Torino, Italy
| | - Francesca Reineri
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, Torino, Italy
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Pravdivtsev AN, Kiryutin AS, Yurkovskaya AV, Vieth HM, Ivanov KL. Robust conversion of singlet spin order in coupled spin-1/2 pairs by adiabatically ramped RF-fields. JOURNAL OF MAGNETIC RESONANCE (SAN DIEGO, CALIF. : 1997) 2016; 273:56-64. [PMID: 27750072 DOI: 10.1016/j.jmr.2016.10.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2016] [Revised: 10/02/2016] [Accepted: 10/05/2016] [Indexed: 06/06/2023]
Abstract
We propose a robust and highly efficient NMR technique to create singlet spin order from longitudinal spin magnetization in coupled spin-½ pairs and to perform backward conversion (singlet order)→magnetization. In this method we exploit adiabatic ramping of an RF-field in order to drive transitions between the singlet state and the T± triplet states of a spin pair under study. We demonstrate that the method works perfectly for both strongly and weakly coupled spin pairs, providing a conversion efficiency between the singlet spin order and magnetization, which is equal to the theoretical maximum. We anticipate that the proposed technique is useful for generating long-lived singlet order, for preserving spin hyperpolarization and for analyzing singlet spin order in nearly equivalent spin pairs in specially designed molecules and in low-field NMR studies.
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Affiliation(s)
- Andrey N Pravdivtsev
- International Tomography Center, Siberian Branch of the Russian Academy of Science, Institutskaya 3A, Novosibirsk 630090, Russia; Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russia
| | - Alexey S Kiryutin
- International Tomography Center, Siberian Branch of the Russian Academy of Science, Institutskaya 3A, Novosibirsk 630090, Russia; Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russia
| | - Alexandra V Yurkovskaya
- International Tomography Center, Siberian Branch of the Russian Academy of Science, Institutskaya 3A, Novosibirsk 630090, Russia; Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russia
| | - Hans-Martin Vieth
- International Tomography Center, Siberian Branch of the Russian Academy of Science, Institutskaya 3A, Novosibirsk 630090, Russia; Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, Berlin 14195, Germany
| | - Konstantin L Ivanov
- International Tomography Center, Siberian Branch of the Russian Academy of Science, Institutskaya 3A, Novosibirsk 630090, Russia; Novosibirsk State University, Pirogova 2, Novosibirsk 630090, Russia.
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Pravdivtsev AN. SABRE Hyperpolarization of Bipyridine Stabilized Ir-Complex at High, Low and Ultralow Magnetic Fields. ACTA ACUST UNITED AC 2016. [DOI: 10.1515/zpch-2016-0810] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
A strong limitation of nuclear magnetic resonance is its low inherent sensitivity that can be overcome by using an appropriate hyperpolarization technique. Presently, dynamic nuclear polarization and spin-exchange optical pumping are the only hyperpolarization techniques that are used in applied medicine. However, both are relatively complex in use and expensive. Here we present a modification of the signal amplification by reversible exchange (SABRE) hyperpolarization method – SABRE on stabilized Ir-complexes. A stabilized Ir-complex (here we used bipyridine for stabilization) can be hyperpolarized in a wide range of magnetic fields from a few μT upto 10 T with 15N polarization of about 1–3%. Moreover, the investigated complex can be incorporated into biomolecules or other bulky molecules; in this situation exchange with para-hydrogen will allow one to continuously generate hyperpolarization.
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Affiliation(s)
- Andrey N. Pravdivtsev
- International Tomography Center, Institutskaya 3A, Novosibirsk, 630090, Russia
- Novosibirsk State University, Pirogova 2, Novosibirsk, 630090, Russia , Tel.: +7(383)330-8868, Fax: +7(383)333-1399
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