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Generating and sustaining long-lived spin states in 15N,15N′-azobenzene. / Sheberstov, Kirill F.; Vieth, Hans Martin; Zimmermann, Herbert et al.

In: Scientific Reports, Vol. 9, No. 1, 20161, 27.12.2019.

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

Harvard

Sheberstov, KF, Vieth, HM, Zimmermann, H, Rodin, BA, Ivanov, KL, Kiryutin, AS & Yurkovskaya, AV 2019, 'Generating and sustaining long-lived spin states in 15N,15N′-azobenzene', Scientific Reports, vol. 9, no. 1, 20161. https://doi.org/10.1038/s41598-019-56734-y

APA

Sheberstov, K. F., Vieth, H. M., Zimmermann, H., Rodin, B. A., Ivanov, K. L., Kiryutin, A. S., & Yurkovskaya, A. V. (2019). Generating and sustaining long-lived spin states in 15N,15N′-azobenzene. Scientific Reports, 9(1), [20161]. https://doi.org/10.1038/s41598-019-56734-y

Vancouver

Sheberstov KF, Vieth HM, Zimmermann H, Rodin BA, Ivanov KL, Kiryutin AS et al. Generating and sustaining long-lived spin states in 15N,15N′-azobenzene. Scientific Reports. 2019 Dec 27;9(1):20161. doi: 10.1038/s41598-019-56734-y

Author

Sheberstov, Kirill F. ; Vieth, Hans Martin ; Zimmermann, Herbert et al. / Generating and sustaining long-lived spin states in 15N,15N′-azobenzene. In: Scientific Reports. 2019 ; Vol. 9, No. 1.

BibTeX

@article{c4fc803f7e704cee8ea8995a66e9ebaf,
title = "Generating and sustaining long-lived spin states in 15N,15N′-azobenzene",
abstract = "Long-Lived spin States (LLSs) hold a great promise for sustaining non-thermal spin order and investigating various slow processes by Nuclear Magnetic Resonance (NMR) spectroscopy. Of special interest for such application are molecules containing nearly equivalent magnetic nuclei, which possess LLSs even at high magnetic fields. In this work, we report an LLS in trans-15N,15N′-azobenzene. The singlet state of the 15N spin pair exhibits a long-lived character. We solve the challenging problem of generating and detecting this LLS and further increase the LLS population by converting the much higher magnetization of protons into the 15N singlet spin order. As far as the longevity of this spin order is concerned, various schemes have been tested for sustaining the LLS. Lifetimes of 17 minutes have been achieved at 16.4 T, a value about 250 times longer than the longitudinal relaxation time of 15N in this magnetic field. We believe that such extended relaxation times, along with the photochromic properties of azobenzene, which changes conformation upon light irradiation and can be hyperpolarized by using parahydrogen, are promising for designing new experiments with photo-switchable long-lived hyperpolarization.",
keywords = "SINGLET ORDER, SOLUTION NMR, MAGNETIC-FIELD, PARAHYDROGEN, DIFFUSION, HYPERPOLARIZATION, SPECTROSCOPY, CONSTRAINTS, CONVERSION, HYDROGEN",
author = "Sheberstov, {Kirill F.} and Vieth, {Hans Martin} and Herbert Zimmermann and Rodin, {Bogdan A.} and Ivanov, {Konstantin L.} and Kiryutin, {Alexey S.} and Yurkovskaya, {Alexandra V.}",
year = "2019",
month = dec,
day = "27",
doi = "10.1038/s41598-019-56734-y",
language = "English",
volume = "9",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",
number = "1",

}

RIS

TY - JOUR

T1 - Generating and sustaining long-lived spin states in 15N,15N′-azobenzene

AU - Sheberstov, Kirill F.

AU - Vieth, Hans Martin

AU - Zimmermann, Herbert

AU - Rodin, Bogdan A.

AU - Ivanov, Konstantin L.

AU - Kiryutin, Alexey S.

AU - Yurkovskaya, Alexandra V.

PY - 2019/12/27

Y1 - 2019/12/27

N2 - Long-Lived spin States (LLSs) hold a great promise for sustaining non-thermal spin order and investigating various slow processes by Nuclear Magnetic Resonance (NMR) spectroscopy. Of special interest for such application are molecules containing nearly equivalent magnetic nuclei, which possess LLSs even at high magnetic fields. In this work, we report an LLS in trans-15N,15N′-azobenzene. The singlet state of the 15N spin pair exhibits a long-lived character. We solve the challenging problem of generating and detecting this LLS and further increase the LLS population by converting the much higher magnetization of protons into the 15N singlet spin order. As far as the longevity of this spin order is concerned, various schemes have been tested for sustaining the LLS. Lifetimes of 17 minutes have been achieved at 16.4 T, a value about 250 times longer than the longitudinal relaxation time of 15N in this magnetic field. We believe that such extended relaxation times, along with the photochromic properties of azobenzene, which changes conformation upon light irradiation and can be hyperpolarized by using parahydrogen, are promising for designing new experiments with photo-switchable long-lived hyperpolarization.

AB - Long-Lived spin States (LLSs) hold a great promise for sustaining non-thermal spin order and investigating various slow processes by Nuclear Magnetic Resonance (NMR) spectroscopy. Of special interest for such application are molecules containing nearly equivalent magnetic nuclei, which possess LLSs even at high magnetic fields. In this work, we report an LLS in trans-15N,15N′-azobenzene. The singlet state of the 15N spin pair exhibits a long-lived character. We solve the challenging problem of generating and detecting this LLS and further increase the LLS population by converting the much higher magnetization of protons into the 15N singlet spin order. As far as the longevity of this spin order is concerned, various schemes have been tested for sustaining the LLS. Lifetimes of 17 minutes have been achieved at 16.4 T, a value about 250 times longer than the longitudinal relaxation time of 15N in this magnetic field. We believe that such extended relaxation times, along with the photochromic properties of azobenzene, which changes conformation upon light irradiation and can be hyperpolarized by using parahydrogen, are promising for designing new experiments with photo-switchable long-lived hyperpolarization.

KW - SINGLET ORDER

KW - SOLUTION NMR

KW - MAGNETIC-FIELD

KW - PARAHYDROGEN

KW - DIFFUSION

KW - HYPERPOLARIZATION

KW - SPECTROSCOPY

KW - CONSTRAINTS

KW - CONVERSION

KW - HYDROGEN

UR - http://www.scopus.com/inward/record.url?scp=85077342757&partnerID=8YFLogxK

U2 - 10.1038/s41598-019-56734-y

DO - 10.1038/s41598-019-56734-y

M3 - Article

C2 - 31882901

AN - SCOPUS:85077342757

VL - 9

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

IS - 1

M1 - 20161

ER -

ID: 22993030