Exact(21)
However, this method is prone to artefacts because of susceptibility changes at tissue interfaces and has limited spatial resolution.
Currently, these maps are derived from gradient-echo-based MR sequences, which are sensitive to susceptibility changes.
Susceptibility changes during heating are small (<5%) indicating a seemingly stable magneto-mineralogy, but conspicuous minima occur after heating to 520°C.
Magnetic resonance imaging (MRI) protocols that are designed to be sensitive to iron typically take advantage of (1) iron effects on the relaxation of water protons and/or (2) iron-induced local magnetic field susceptibility changes.
However, the effect of possible task-related anisotropic susceptibility changes on the FA measurements is probably limited.
To accurately assess perfusion characteristics it is necessary to measure the drop in signal during passage of the bolus with high sensitivity to susceptibility changes at high temporal resolution.
Similar(38)
This may result in specimens acceptable for paleointensity being excluded based upon changes in susceptibility (Coe 1967a) or specimens showing limited susceptibility change being unsuitable for paleointensity analysis (e.g., Kosterov and Prévot (1998)).
For example, if we take 485 non-smoking adolescents including non-responders, standard error of smoking susceptibility was 0.022 while taking 352 adolescents, the standard error for smoking susceptibility changed to 0.026.
For some pharmaceuticals the dosages recommended by the manufacturer are below the dosages recommended in current literature, because they were authorized many years ago and the pathogen's susceptibility changed since then.
To elucidate functional consequences for viral replication and PI susceptibility by changes in Gag that evolve in vivo during PI therapy, a panel of recombinant viruses was constructed.
Their susceptibility to changes induced by manufacturing processes and on storage, results in challenges with their stability, quality and shelf-life.
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