The Role of the Interaction Frame in the Theoretical Description of Solid Effect Dynamic Nuclear Polarization

2014 ◽  
Vol 54 (1-2) ◽  
pp. 184-195 ◽  
Author(s):  
Grzegorz Kwiatkowski ◽  
Alexander Karabanov ◽  
Walter Köckenberger
Keyword(s):  
Dynamic Nuclear Polarization ◽  
Nuclear Polarization ◽  
Theoretical Description ◽  
Solid Effect

scholarly journals Theory of solid effect and cross effect dynamic nuclear polarization with half-integer high-spin metal polarizing agents in rotating solids

2016 ◽  
Vol 18 (39) ◽  
pp. 27190-27204 ◽  
Author(s):  
Björn Corzilius
Keyword(s):  
High Spin ◽  
Dynamic Nuclear Polarization ◽  
Nuclear Polarization ◽  
Theoretical Description ◽  
Cross Effect ◽  
Half Integer ◽  
Solid Effect ◽  
Spin Properties

Detailed theoretical description of high-spin properties of metal polarizing agents, especially Gd3+, for solid effect and cross effect DNP.

scholarly journals Solid effect dynamic nuclear polarization and polarization pathways

2012 ◽  
Vol 136 (1) ◽  
pp. 015101 ◽  
Author(s):  
Albert A. Smith ◽  
Björn Corzilius ◽  
Alexander B. Barnes ◽  
Thorsten Maly ◽  
Robert G. Griffin
Keyword(s):  
Dynamic Nuclear Polarization ◽  
Nuclear Polarization ◽  
Solid Effect

Enhanced dynamic nuclear polarization by the integrated solid effect

1988 ◽  
Vol 134 (2) ◽  
pp. 134-136 ◽  
Author(s):  
A. Henstra ◽  
P. Dirksen ◽  
W.Th. Wenckebach
Keyword(s):  
Dynamic Nuclear Polarization ◽  
Nuclear Polarization ◽  
Solid Effect

scholarly journals The role of the glassy dynamics and thermal mixing in the dynamic nuclear polarization and relaxation mechanisms of pyruvic acid

2014 ◽  
Vol 16 (48) ◽  
pp. 27025-27036 ◽  
Author(s):  
M. Filibian ◽  
S. Colombo Serra ◽  
M. Moscardini ◽  
A. Rosso ◽  
F. Tedoldi ◽  
...  
Keyword(s):  
Relaxation Rate ◽  
Dynamic Nuclear Polarization ◽  
Pyruvic Acid ◽  
Nuclear Polarization ◽  
Lattice Relaxation ◽  
Spin Lattice Relaxation ◽  
Relaxation Rates ◽  
Thermal Mixing ◽  
Spin Lattice

In pyruvic acid containing 15 mM trityl below 4 K 13C polarization and spin–lattice relaxation rates are proportional to the spin–lattice relaxation rate of electrons, suggesting an efficient thermal mixing scenario.

Static 1H dynamic nuclear polarization with the biradical TOTAPOL: a transition between the solid effect and the cross effect

2014 ◽  
Vol 16 (14) ◽  
pp. 6687-6699 ◽  
Author(s):  
Daphna Shimon ◽  
Akiva Feintuch ◽  
Daniella Goldfarb ◽  
Shimon Vega
Keyword(s):  
High Temperatures ◽  
Dynamic Nuclear Polarization ◽  
Low Temperatures ◽  
Nuclear Polarization ◽  
Cross Effect ◽  
Solid Effect ◽  
The Cross

Static 1H-DNP with TOTAPOL: the solid effect (SE) dominant at low temperatures; the cross effect (CE) dominant at high temperatures; and DNP-buildup: Tbu(SE) < Tbu(CE).

scholarly journals Surface enhanced dynamic nuclear polarization solid-state NMR spectroscopy sheds light on Brønsted–Lewis acid synergy during the zeolite catalyzed methanol-to-hydrocarbon process

2019 ◽  
Vol 10 (39) ◽  
pp. 8946-8954 ◽  
Author(s):  
Abhishek Dutta Chowdhury ◽  
Irina Yarulina ◽  
Edy Abou-Hamad ◽  
Andrei Gurinov ◽  
Jorge Gascon
Keyword(s):  
Solid State ◽  
Nmr Spectroscopy ◽  
Lewis Acid ◽  
Dynamic Nuclear Polarization ◽  
Solid State Nmr ◽  
Nuclear Polarization ◽  
Solid State Nmr Spectroscopy ◽  
Surface Enhanced ◽  
Methanol To Hydrocarbon

Surface-enhanced dynamic nuclear polarization solid-state NMR spectroscopy has been applied to identify the role of surface-carbene species and elucidating Brønsted–Lewis acid synergy during the zeolite-catalyzed methanol-to-hydrocarbon process.

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