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. Author manuscript; available in PMC: 2018 Jul 24.
Published in final edited form as: J Magn Reson. 2014 Dec 4;251:65–70. doi: 10.1016/j.jmr.2014.11.011

Table 1.

The varied delays in the 1JXH-active/inactive semi-CT HSQC experiments.

Varied delay In-/de-crement value Resulting value
ta Δta = (1/21JXH)/(N + 1)a 1/(21JXH) − Δta
tb Δtb = Δt1/2 + Δtab Δtb
tc Δtc = Δt1/2 1/(21JXH) + Δtc
td Δtd = Δt1/2 Δtd
a

N is the number of real points in the indirect t1 dimension.

b

Δt1 = 1/SW, where SW is the spectral width of the X (15N or 13C) spin.