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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: Magn Reson Med. 2017 Aug 3;79(4):1941–1949. doi: 10.1002/mrm.26846

Figure 3.

Figure 3

(a) Representative MT images from in vivo human tibial cortical bone obtained with MT flip angles of 600° and 900° at increasing off-resonance frequencies of 2, 5, 10, 20, and 50 kHz. (b) Fitting curves for cortical bone signal intensity versus off-resonance frequency for multiple MT flip angles are shown. Similar to bovine cortical bone, increased signal intensity is evident at low MT flip angles and high off-resonance frequencies. Red dashed box in far-left image (a) shows field of view selection for MT analysis. Red circle in top left MT image (600°, 2 kHz) (a) shows region of interest used for signal intensity measurement.