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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: J Inorg Biochem. 2011 Nov 19;107(1):111–118. doi: 10.1016/j.jinorgbio.2011.11.004

Fig. 3.

Fig. 3

Relaxivity values r1 (A) and r2 (B) at field strengths 3.0 T(blue) and 9.4 T (red) of Gd-DTPA, ProCA1and its PEGylated variants. Relaxivity values r1 (C) and r2 (D) of Gd-DTPA (blue), ProCA1 (red), ProCA1-PEG0.6k (yellow), and ProCA1-PEG2.4k (green) at different field strengths.