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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Magn Reson Med. 2013 Jun 18;71(4):1603–1612. doi: 10.1002/mrm.24792

Figure 5.

Figure 5

Bloch fitting, QUEST, and QUESP analyses of 178 mM of iopromide. a) Bloch fitting of a representative CEST spectrum of iopromide acquired with 1.26 μT saturation power was used to estimate kex. b) QUEST with saturation power of 5.2 μT and c) QUESP with saturation time of 6 seconds were used to analyze CEST at 4.2 ppm to estimate the exchange rate for the slowly exchanging amide proton. d) QUEST with saturation power of 13.14 μT, e) QUEST with saturation power of 5.2 μT, and f) QUESP with saturation time of 6 seconds were used to analyze CEST at 5.6 ppm to estimate the exchange rate for the rapidly exchanging amide proton. The boundary estimates are shown as gray lines.