NMR Force Microscopy of Ammonium Sulfate with 12 μm Resolution

2012 ◽  
Vol 1468 ◽  
Author(s):  
Isaac Manzanera ◽  
John T. Markert
Keyword(s):  
Magnetic Field ◽  
Single Crystal ◽  
Ammonium Sulfate ◽  
Room Temperature ◽  
Relaxation Times ◽  
Nmr Relaxation ◽  
Fluctuation Spectrum ◽  
One Dimensional ◽  
Force Microscopy ◽  
Nmr Relaxation Times

ABSTRACTPosition-dependent force-detected NMR measurements on a 25x15x7 μm3 single crystal of ammonium sulfate (NH4)2SO4 were performed at room temperature in a sample-on-oscillator configuration. Force signals were detected with 12 μm resolution in a one-dimensional scan. Measurements of NMR relaxation times T2* = 1.5 ± 0.3 μs, T2 = 44 ± 2 μs, and T1 = 5.6 ± 0.7 s were obtained in an 8-T magnetic field, revealing an unexpected frequency-dependent fluctuation spectrum at room temperature.

scholarly journals Proton NMR relaxation times in ischemic brain edema.

Stroke ◽  
1986 ◽  
Vol 17 (6) ◽  
pp. 1149-1152 ◽  
Author(s):  
Y Horikawa ◽  
S Naruse ◽  
C Tanaka ◽  
K Hirakawa ◽  
H Nishikawa
Keyword(s):  
Brain Edema ◽  
Relaxation Times ◽  
Proton Nmr ◽  
Nmr Relaxation ◽  
Ischemic Brain ◽  
Ischemic Brain Edema ◽  
Nmr Relaxation Times

Effects of hydrophobic treatments of stone on pore water studied by continuous distribution analysis of NMR relaxation times

2001 ◽  
Vol 19 (3-4) ◽  
pp. 509-512 ◽  
Author(s):  
L. Appolonia ◽  
G.C. Borgia ◽  
V. Bortolotti ◽  
R.J.S. Brown ◽  
P. Fantazzini ◽  
...  
Keyword(s):  
Pore Water ◽  
Relaxation Times ◽  
Continuous Distribution ◽  
Nmr Relaxation ◽  
Distribution Analysis ◽  
Nmr Relaxation Times

Reduction in the proton NMR relaxation times of dystrophic muscles following functional improvement

1984 ◽  
Vol 2 (3) ◽  
pp. 250-251 ◽  
Author(s):  
L.K. Misra ◽  
P.A. Narayana ◽  
D. Bearden ◽  
T. Egan ◽  
R.P. Munjaal ◽  
...  
Keyword(s):  
Relaxation Times ◽  
Proton Nmr ◽  
Nmr Relaxation ◽  
Functional Improvement ◽  
Nmr Relaxation Times
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