Comment on "Boosted molecular mobility during common chemical reactions"

Jan-Philipp Günther, Lucy L. Fillbrook, Thomas S. C. MacDonald, Gunter Majer, William S. Price, Peer Fischer, Jonathon E. Beves

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

The apparent "boosted mobility"observed by Wang et al. (Reports, 31 July 2020, p. 537) is the result of a known artifact. When signal intensities are changing during a nuclear magnetic resonance (NMR) diffusion measurement for reasons other than diffusion, the use of monotonically increasing gradient amplitudes produces erroneous diffusion coefficients. We show that no boosted molecular mobility is observed when shuffled gradient amplitudes are applied.
Original languageEnglish
Article numbereabe8322
Number of pages4
JournalScience
Volume371
Issue number6526
DOIs
Publication statusPublished - 2021

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