Ultra-Low Field NMR Relaxometry: Calibration Method and T1-Dispersion below 1000 Hz
Vasileios Zampetoulas 1 , Lionel M. Broche 1 , and David J. Lurie 1
Aberdeen Biomedical Imaging Centre,School of
Medicine&Dentistry, University of Aberdeen,Foresterhill,
AB25 2ZD, Aberdeen, United Kingdom
Fast Field-Cycling (FFC) NMR is a technique that
provides information about the molecular dynamics of a
range of materials by using the T1-dispersion curve.
After the compensation of the stray magnetic fields
coming from external sources, the T1-dispersion curve
can extend to magnetic fields in the region of μT
allowing for the investigation of slow dynamic processes
and determination of the local magnetic fields within
the sample. With further development, differences in
that region of the curve obtained from biological
samples can be associated with the early stages of
progress of diseases, leading to a new diagnostic tool.
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