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. Author manuscript; available in PMC: 2020 Sep 15.
Published in final edited form as: Methods Mol Biol. 2018;1777:23–68. doi: 10.1007/978-1-4939-7811-3_2

Table 10:

Typical parameters for PITHIRDS-CT experiments.

MAS rate: 20 kHz (rotor period, τr = 50 μs)
Pulse Power
(kHz)
Duration (μs) Phase
pH,1 (π/2) 110 2.27 y
pH,2 Linear ramp: 46.67 to 93.34 2,000 x
pC,1 50 2,000 x,x
pC,2 (π)* 30 τr/3 = 16.67 x,y,x,y,y,x,y,x,−x,−y,−x,−y,−x,−y,−x,−y
ϕReceiver x
Delay Duration
d1 2 s
Decoupling
period
Power (kHz) Method
dec1 110 TPPM
comments *The xy-16 phase cycle is applied to pC,2.
The constants k1 =4, k2 + k3 = 32, for 38.4 ms total recoupling time (57).