Constant-adiabaticity radiofrequency pulses for generating long-lived singlet spin states in NMR

Bogdan A. Rodin; Kirill F. Sheberstov; Alexey S. Kiryutin; Joseph T. Hill-Cousins; Lynda J. Brown; Richard C.D. Brown; Baptiste Jamain; Herbert Zimmermann; Renad Z. Sagdeev; Alexandra V. Yurkovskaya; Konstantin L. Ivanov

doi:10.1063/1.5079436

Constant-adiabaticity radiofrequency pulses for generating long-lived singlet spin states in NMR

Bogdan A. Rodin, Kirill F. Sheberstov, Alexey S. Kiryutin, Joseph T. Hill-Cousins, Lynda J. Brown, Richard C.D. Brown, Baptiste Jamain, Herbert Zimmermann, Renad Z. Sagdeev, Alexandra V. Yurkovskaya, Konstantin L. Ivanov

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

12 Citations (Scopus)

Abstract

A method is implemented to perform "fast" adiabatic variation of the spin Hamiltonian by imposing the constant adiabaticity condition. The method is applied to improve the performance of singlet-state Nuclear Magnetic Resonance (NMR) experiments, specifically, for efficient generation and readout of the singlet spin order in coupled spin pairs by applying adiabatically ramped RF-fields. Test experiments have been performed on a specially designed molecule having two strongly coupled ¹³ C spins and on selectively isotopically labelled glycerol having two pairs of coupled protons. Optimized RF-ramps show improved performance in comparison, for example, to linear ramps. We expect that the methods described here are useful not only for singlet-state NMR experiments but also for other experiments in magnetic resonance, which utilize adiabatic variation of the spin Hamiltonian.

Original language	English
Article number	064201
Pages (from-to)	064201
Number of pages	11
Journal	Journal of Chemical Physics
Volume	150
Issue number	6
DOIs	https://doi.org/10.1063/1.5079436
Publication status	Published - 14 Feb 2019

Keywords

ORDER
POLARIZATION
SPECTROSCOPY
CONSTRAINTS
DIFFUSION
CONTRAST
MINUTES
FIELD

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10.1063/1.5079436

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Rodin, B. A., Sheberstov, K. F., Kiryutin, A. S., Hill-Cousins, J. T., Brown, L. J., Brown, R. C. D., Jamain, B., Zimmermann, H., Sagdeev, R. Z., Yurkovskaya, A. V., & Ivanov, K. L. (2019). Constant-adiabaticity radiofrequency pulses for generating long-lived singlet spin states in NMR. Journal of Chemical Physics, 150(6), 064201. [064201]. https://doi.org/10.1063/1.5079436

Rodin, Bogdan A. ; Sheberstov, Kirill F. ; Kiryutin, Alexey S. ; Hill-Cousins, Joseph T. ; Brown, Lynda J. ; Brown, Richard C.D. ; Jamain, Baptiste ; Zimmermann, Herbert ; Sagdeev, Renad Z. ; Yurkovskaya, Alexandra V. ; Ivanov, Konstantin L. / Constant-adiabaticity radiofrequency pulses for generating long-lived singlet spin states in NMR. In: Journal of Chemical Physics. 2019 ; Vol. 150, No. 6. pp. 064201.

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abstract = " A method is implemented to perform {"}fast{"} adiabatic variation of the spin Hamiltonian by imposing the constant adiabaticity condition. The method is applied to improve the performance of singlet-state Nuclear Magnetic Resonance (NMR) experiments, specifically, for efficient generation and readout of the singlet spin order in coupled spin pairs by applying adiabatically ramped RF-fields. Test experiments have been performed on a specially designed molecule having two strongly coupled 13 C spins and on selectively isotopically labelled glycerol having two pairs of coupled protons. Optimized RF-ramps show improved performance in comparison, for example, to linear ramps. We expect that the methods described here are useful not only for singlet-state NMR experiments but also for other experiments in magnetic resonance, which utilize adiabatic variation of the spin Hamiltonian. ",

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Constant-adiabaticity radiofrequency pulses for generating long-lived singlet spin states in NMR. / Rodin, Bogdan A.; Sheberstov, Kirill F.; Kiryutin, Alexey S.; Hill-Cousins, Joseph T.; Brown, Lynda J.; Brown, Richard C.D.; Jamain, Baptiste; Zimmermann, Herbert; Sagdeev, Renad Z.; Yurkovskaya, Alexandra V.; Ivanov, Konstantin L.

In: Journal of Chemical Physics, Vol. 150, No. 6, 064201, 14.02.2019, p. 064201.

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

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AU - Brown, Lynda J.

AU - Brown, Richard C.D.

AU - Jamain, Baptiste

AU - Zimmermann, Herbert

AU - Sagdeev, Renad Z.

AU - Yurkovskaya, Alexandra V.

AU - Ivanov, Konstantin L.

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