Bruker BioSpin Solid State NMR, Руководство пользователя

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Figures
User Manual Version 002 BRUKER BIOSPIN 313 (327)
Figure 18.5. Example for popt to Set-up for Optimization of DFS. ..............................................237
Figure 18.6. Signal Intensities of 87Rb in RbNO3 ......................................................................238
Figure 18.7. Pulse Sequence and Coherence Transfer Pathways for SPAM 3QMAS. .................243
19 STMAS 245
Figure 19.1. Principle of 2D Data Sampling in STMAS Experiments. ..........................................245
Figure 19.2. Four-pulse sequence and coherence transfer pathway for the double quantum filtered
STMAS experiment with z-filter (stmasdqfz.av) ......................................................247
Figure 19.3. Four pulse sequence and coherence transfer pathway ...........................................248
Figure 19.4. 87Rb STMAS Spectra of RbNO3............................................................................252
20 Double-CP 255
Figure 20.1. Pulse sequence diagram for 1D (t1=0) and 2D double CP experiments. .................256
Figure 20.2. The edasp routing tables for H-C-N double CP. ......................................................257
Figure 20.3. Routing table for triple resonance setup change for 15N pulse parameter measurement
and CPMAS optimization. .....................................................................................258
Figure 20.4. Shape Tool display with ramp shape from 45 to 55%. .............................................261
Figure 20.5. Shape Tool display with a tangential shape for adiabatic cross polarization. ...........262
Figure 20.6. Double CP optimization of PL5 in increments of 0.1 dB. .........................................263
Figure 20.7. Double CP yield, measured by comparing CPMAS and DCP amplitudes of the high field
resonance. ............................................................................................................263
Figure 20.8. C-N correlation via Double CP in histidine (simple setup sample). 4mm Triple H/C/N
Probe. ...................................................................................................................267
Figure 20.9. NC α Cx correlation experiment with 22 ms DARR mixing period for C α -Cx spin diffusion
on GB1 protein run using an EFREE-Probe. ..........................................................268
Figure 20.10. NCaCx correlation experiment with 4.2 ms SPC5-DQ mixing period for CaCx spin dif-
fusion on GB1 protein run using an EFREE-Probe at 14 kHz sample rotation and 100
kHz decoupling. .....................................................................................................269
21 CRAMPS: General 271
Figure 21.1. Difference in Amplitude of the Quadrature Channels X and Y .................................273
22 CRAMPS 1D 275
Figure 22.1. Pulse Sequence Diagram ......................................................................................275
Figure 22.2. PMLG Shape for wpmlg, sp1 .................................................................................276
Figure 22.3. Shape for DUMBO, sp1 .........................................................................................277
Figure 22.4. Analog Sampling Scheme ......................................................................................278
Figure 22.5. Digital Sampling Scheme .......................................................................................278
Figure 22.6. Optimizing sp1 for Best Resolution ........................................................................282
Figure 22.7. Optimizing cnst25 for Minimum Carrier Spike, Optimized at 120°C .........................283
Figure 22.8. Optimizing p14 for Minimum Carrier Spike, Optimized at 0.6 µsec ..........................283
Figure 22.9. WPMLG-CRAMPS After Optimization, Digital Acquisition .......................................284
23 Modified W-PMLG 285
Figure 23.1. Pulse Sequence Diagram ......................................................................................285
24 CRAMPS 2D 291
Figure 24.1. Pulse Sequence Diagram ......................................................................................292
Figure 24.2. Setup and Test Spectrum of Alpha-glycine .............................................................294