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Purpose
To determine the contribution of paramagnetic dissolved oxygen in blood plasma to blood‐oxygenation‐level‐dependent (BOLD) signal changes in hyperoxic calibrated BOLD studies.
Methods
Bovine blood plasma samples were prepared with partial pressures of oxygen (pO2) ranging from 110 to 600 mmHg. R1, R2, and R2* of the plasma with dissolved oxygen were measured using quantitative MRI sequences...
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