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Purpose
Spin‐lattice relaxation rate (R1)‐based time‐domain EPR oximetry is reported for in vivo applications using a paramagnetic probe, a trityl‐based Oxo71.
Methods
The R1 dependence of the trityl probe Oxo71 on partial oxygen pressure (pO2) was assessed using single‐point imaging mode of spatial encoding combined with rapid repetition, similar to T1‐weighted MRI, for which R1 was determined...
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