Doty MAS 2-coil technology for Unbeatable Performance

750 MHz XC4 Triple-Resonance MAS Results



Reference: our paper “Using a Cross-coil to Reduce RF Heating by an Order of Magnitude in Triple-resonance Multinuclear MAS at High Fields”, by F. David Doty, Jatin Kulkarni, Christopher Turner, George Entzminger, and Anthony Bielecki, J. Magn. Reson., 2006, 182, 239-253.
Download a pdf copy of the technical poster presented at ENC, 2004 and ISMAR, 2004 on
Reducing Decoupler Heating by an order of magnitude in Triple-Resonance
MAS NMR Probes at 750 MHz


13C CP/MAS on Glycine, H/C/N tuning, at 17.61T

   
Natural-abundance glycine 13C with H/C/N tuning, 4 scans, 110 kHz TPPM 1H decoupling, 70 μL sample, ramped-CP at 50 kHz for 1 ms, 17 kHz MAS. S/N=218, Spectrum – MIT

Excellent B1 Matching on all channels in a 750 MHz XC4

Normalized mean transverse B1 field as a function of the axial

position as simulated for the two coils with a 50 mM saline load.

 

                                                          300 MHz 2D XC5 Examples

For more information on our two-coil XC (cross coil) MAS probes...