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Only Para-Hydrogen Spectroscopy (OPSY) Revisited : In-Phase Spectra for Chemical Analysis and Imaging. / Pravdivtsev, Andrey N.; Kozinenko, Vitaly P.; Hövener, Jan Bernd.

In: Journal of Physical Chemistry A, Vol. 122, No. 45, 15.11.2018, p. 8948-8956.

Research output: Contribution to journal › Article › peer-review

Harvard

Pravdivtsev, AN, Kozinenko, VP & Hövener, JB 2018, 'Only Para-Hydrogen Spectroscopy (OPSY) Revisited: In-Phase Spectra for Chemical Analysis and Imaging', Journal of Physical Chemistry A, vol. 122, no. 45, pp. 8948-8956. https://doi.org/10.1021/acs.jpca.8b07459

APA

Pravdivtsev, A. N., Kozinenko, V. P., & Hövener, J. B. (2018). Only Para-Hydrogen Spectroscopy (OPSY) Revisited: In-Phase Spectra for Chemical Analysis and Imaging. Journal of Physical Chemistry A, 122(45), 8948-8956. https://doi.org/10.1021/acs.jpca.8b07459

Vancouver

Pravdivtsev AN, Kozinenko VP, Hövener JB. Only Para-Hydrogen Spectroscopy (OPSY) Revisited: In-Phase Spectra for Chemical Analysis and Imaging. Journal of Physical Chemistry A. 2018 Nov 15;122(45):8948-8956. doi: 10.1021/acs.jpca.8b07459

Author

Pravdivtsev, Andrey N. ; Kozinenko, Vitaly P. ; Hövener, Jan Bernd. / Only Para-Hydrogen Spectroscopy (OPSY) Revisited : In-Phase Spectra for Chemical Analysis and Imaging. In: Journal of Physical Chemistry A. 2018 ; Vol. 122, No. 45. pp. 8948-8956.

BibTeX

@article{48d29de271644267bc5fccbc15e27764,
title = "Only Para-Hydrogen Spectroscopy (OPSY) Revisited: In-Phase Spectra for Chemical Analysis and Imaging",
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.",
keywords = "PARAHYDROGEN INDUCED POLARIZATION, NMR SIGNAL ENHANCEMENT, SINGLET SPIN STATES, PASADENA HYPERPOLARIZATION, REVERSIBLE EXCHANGE, COHERENT EVOLUTION, ORDER TRANSFER, C-13, RESONANCE, SABRE",
author = "Pravdivtsev, {Andrey N.} and Kozinenko, {Vitaly P.} and H{\"o}vener, {Jan Bernd}",
year = "2018",
month = nov,
day = "15",
doi = "10.1021/acs.jpca.8b07459",
language = "English",
volume = "122",
pages = "8948--8956",
journal = "Journal of Physical Chemistry A",
issn = "1089-5639",
publisher = "American Chemical Society",
number = "45",

}

RIS

TY - JOUR

T1 - Only Para-Hydrogen Spectroscopy (OPSY) Revisited

T2 - In-Phase Spectra for Chemical Analysis and Imaging

AU - Pravdivtsev, Andrey N.

AU - Kozinenko, Vitaly P.

AU - Hövener, Jan Bernd

PY - 2018/11/15

Y1 - 2018/11/15

N2 - 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.

AB - 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.

KW - PARAHYDROGEN INDUCED POLARIZATION

KW - NMR SIGNAL ENHANCEMENT

KW - SINGLET SPIN STATES

KW - PASADENA HYPERPOLARIZATION

KW - REVERSIBLE EXCHANGE

KW - COHERENT EVOLUTION

KW - ORDER TRANSFER

KW - C-13

KW - RESONANCE

KW - SABRE

UR - http://www.scopus.com/inward/record.url?scp=85055168009&partnerID=8YFLogxK

U2 - 10.1021/acs.jpca.8b07459

DO - 10.1021/acs.jpca.8b07459

M3 - Article

C2 - 30293421

AN - SCOPUS:85055168009

VL - 122

SP - 8948

EP - 8956

JO - Journal of Physical Chemistry A

JF - Journal of Physical Chemistry A

SN - 1089-5639

IS - 45

ER -

ID: 17488250