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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Contrast Media Mol Imaging. 2014 Jul;9(4):268–275. doi: 10.1002/cmmi.1569

Fig. 7.

Fig. 7

Evaluation of pH-dependent qCEST MRI analysis. a) The creatine concentration normalized labile proton fraction ratio shows little change with pH (P> 0.10). b) The labile proton exchange rate can be described using dominantly base-catalyzed chemical exchange relationship (P<0.01).