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PurposeDouble‐wave diffusion experiments offer the possibility of probing correlation between molecular diffusion at multiple time points. It has recently been shown that this technique is capable of measuring the exchange of water across cellular membranes. The aim of this study was to investigate the effect of macroscopic tissue anisotropy on the measurement of the apparent exchange rate (AXR) in...
PurposeThe dependence of diffusion tensor imaging (DTI) eigenvalues and fractional anisotropy (FA) on short diffusion times was investigated using oscillating gradient spin echo (OGSE) and pulsed gradient spin echo (PGSE) DTI in the human brain in vivo.
Theory and MethodsDTI was performed in seven healthy volunteers at 4.7 Tesla (T) with b = 300 s/mm2 and diffusion times of 4.1 ms (OGSE 50 Hz), 7...
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