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Frontispiece: Parahydrogen‐Induced Polarization of Diethyl Ether Anesthetic
Author(s) -
Ariyasingha Nuwandi M.,
Joalland Baptiste,
Younes Hassan R.,
Salnikov Oleg G.,
Chukanov Nikita V.,
Kovtunov Kirill V.,
Kovtunova Larisa M.,
Bukhtiyarov Valerii I.,
Koptyug Igor V.,
Gelovani Juri G.,
Chekmenev Eduard Y.
Publication year - 2020
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.202086063
Subject(s) - spin isomers of hydrogen , diethyl ether , vinyl ether , ether , polarization (electrochemistry) , photochemistry , hyperpolarization (physics) , chemistry , spectroscopy , cidnp , singlet state , nuclear magnetic resonance , nuclear magnetic resonance spectroscopy , materials science , hydrogen , organic chemistry , physics , atomic physics , monomer , quantum mechanics , excited state , polymer
Diethyl ether is hyperpolarized by pairwise addition of parahydrogen to vinyl ethyl ether and characterized by NMR spectroscopy. Proton polarization levels exceeding 8% are achieved at near complete chemical conversion within seconds, causing the activation of radio amplification by stimulated emission radiation (RASER) throughout detection. At low magnetic fields, long‐lived singlet states extend the relaxation decay by approximately three‐fold, paving the way to bioimaging applications. For more details see the Full Paper by E. Y. Chekmenev et al. on page 13621 ff.