Nonlinear sampling in ultrafast Laplace NMR
Zhivonitko, Vladimir V.; Ullah, Md Sharif; Telkki, Ville-Veikko (2019-08-13)
Zhivonitko, Vladimir V.
Ullah, Md Sharif
Telkki, Ville-Veikko
Elsevier
13.08.2019
Zhivonitko, V. V., Ullah, M. S., & Telkki, V.-V. (2019). Nonlinear sampling in ultrafast Laplace NMR. Journal of Magnetic Resonance, 307, 106571. https://doi.org/10.1016/j.jmr.2019.106571
https://creativecommons.org/licenses/by/4.0/
© 2019 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
https://creativecommons.org/licenses/by/4.0/
© 2019 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
https://creativecommons.org/licenses/by/4.0/
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi-fe2019100330988
https://urn.fi/URN:NBN:fi-fe2019100330988
Tiivistelmä
Abstract
Ultrafast Laplace NMR (UF-LNMR) reduces the experiment time of multidimensional relaxation and diffusion measurements to a fraction. Here, we demonstrate a method for nonlinear (in this case logarithmic) sampling of the indirect dimension in UF-LNMR measurements. The method is based on the use of frequency-swept pulses with the frequency nonlinearly increasing with time. This leads to an optimized detection of exponential experimental data and significantly improved resolution of LNMR parameters.
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