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Table 1 Imaging parameters used for static and cine images

From: Positive contrast high-resolution 3D-cine imaging of the cardiovascular system in small animals using a UTE sequence and iron nanoparticles at 4.7, 7 and 9.4 T

Static imaging Cine-imaging
Imaging parameters UTE Mid resolution UTE High resolution UTE
Coil/Magnetic Field Volumetric/ 4.7, 7, 9.4 T Volumetric/9.4 T phased array/ 4.7, 7 T phased array/7 T
TR/TE (ms) 4.5/0.031 3.5/0.031 3.5/0.031
Excitation Pulse/ duration (ms) / FA° square / 0.05 / 15° square / 0.05 / 15° square / 0.05 / 15°
Field of view (mm) 30 × 30 × 30 20 × 20 × 20 20 × 20 × 20
Matrix 128 × 128 × 128 128 × 128 × 128 192 × 192 × 192
Number of projections 51360 18144/cine 52540/cine
Resolution (μm) 234 × 234 × 234 156 × 156 × 156 104 × 104 × 104
Bandwith (Hz/Pixel) 781 781 520
Triggering No ECG ECG
Cine images (N) - 10 10
Excitations (N) 1 1 1
Total acquisition time 3 min 51 s 11 min 20 s 32 min 50 s