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. Author manuscript; available in PMC: 2011 Mar 18.
Published in final edited form as: Mol Imaging. 2010 Oct;9(5):278–290.

Figure 3.

Figure 3

Mean signal intensities and standard deviations of increasing cell numbers of bilabeled human mesenchymal cells measured by region of interest with optical imaging (OI) (efficiency) and magnetic resonance imaging (T2* relaxation rate). There was a significant increase in OI signal with increasing cell concentration (p < .05). There was a significant decrease in the T2* relaxation rate with increasing cell concentration (p < .05).