Fig. 4: Hyperpolarized [13C,15N2]urea area-under-curve (AUC) and time-course centroid maps from two subjects.
From: Translation of hyperpolarized [13C,15N2]urea MRI for novel human brain perfusion studies
![Fig. 4: Hyperpolarized [13C,15N2]urea area-under-curve (AUC) and time-course centroid maps from two subjects.](http://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs44303-025-00073-3/MediaObjects/44303_2025_73_Fig4_HTML.png?as=webp)
1H anatomical images (first column), urea AUC images (second column), and time course centroid maps third column) acquired from two subjects (a, b). The HP urea AUC and time course centroid maps were masked for voxels with SNR greater than 10 in the hyperpolarized urea AUC images.
