Figure 3 | Scientific Reports

Figure 3

From: Solid-state 31P and 1H chemical MR micro-imaging of hard tissues and biomaterials with magic angle spinning at very high magnetic field

Figure 3

MRI spin-echo sequences used for magic angle spinning (a) 3D 31P CPMAS imaging, (b) 2D 31P CPMAS slice-selective imaging and (c) 3D 1H MAS chemically-selective imaging. Black narrow rectangles correspond to 90° and 180° hard pulses, spin lock block of CP transfer are indicated as grey wide rectangles. The gradient pulses along the MAS axis (zMAS) are represented as trapezoids and the rotating gradients along the xMAS and yMAS axes, composed of LF gradients with sinusoidal amplitude modulations, are depicted as sinusoidal curves.

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