Sample 1B CT-silk C13-N15
Probe: 3.2 mm MAS 1H/13C/15N B7292/00003
1H ->15N -> 13Ca PAIN-CP 2D spectrum
VT connected, Tset 260K @ 1300L/h Tsamp about 5C with BCUII at stong
17.5kHz +-2 Hz rotation
1H-15N CP, 0.4ms contact time,  15N ramp 46- 41kHz (-1 sideband) @200W  (SGU1, first BLAX500, XBB31P 2HS), 1H square.100  59kHz @105W
15N-13C PAIN-CP at 44 kHz for 15N and 13C with 1H CW at 55kHz for 4.0ms (13C via SGU1, first BLAX500, XBB31P 2HS)
decoupling: SPINAL64 at 83 kHz / 18 ms
d1 2s
rg 912
CNST10=55 (Ca)