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SPIONs are common T2-contrast agencies, you to definitely de-stage the newest revolves of your own close protons of your liquid molecules, resulting in a reduction in the brand new code. It magnetic susceptibility depends on the fresh intensity of the fresh evaluate broker and its own molar susceptibility. In the case of T2-contrast agencies, as the T2 is actually reduced, water linewidth expands, so the signal decrease, leading to a poor picture examine. (more…)