Figure 2.
DNP enhanced (9.4 T) 13C CP MAS spectra of microcrystalline IBU-S impregnated with 16 mM TEKPol in OTP (9.4 T, MAS = 7.0 kHz, 30 s of recycle delay). All the spectra were acquired with microwave irradiation and 128 scans. Resonance assignment was taken from ref (20). Stars denote sidebands.
