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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Skeletal Radiol. 2011 Dec 15;41(2):209–217. doi: 10.1007/s00256-011-1331-z

Fig. 2.

Fig. 2

a Effect of macromolecular concentration on Gd-DTPA spin–lattice relaxivity (R1). Plot of unsubstituted hyaluronan/collagen composite (CO) material concentration (g/l) versus the R1 of Gd-DTPA (mM) from a single imaging session. The slope of the R1 curves linearly increased with increasing concentration of CO. b Effect of macromolecular concentration on Gd-DTPA spin-spin relaxivity (R2). Plot of unsubstituted CO material concentration (g/l) versus the R2 of Gd-DTPA (mM) from a single imaging session. The slope of the R2 curves linearly increased with increasing concentration of CO