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. Author manuscript; available in PMC: 2011 Dec 6.
Published in final edited form as: Small. 2010 Dec 6;6(23):2678–2682. doi: 10.1002/smll.201001447

Table 1.

Relaxivities (mM−1 s−1) of APMS-DTPA/Gd-TEG and soluble DTPA/Gd suspended in agar at a field strength of 1.5 T.

Sample r1 (per Gd) r2 (per Gd)
APMS/Gd 2.8 ± .2 23 ± 2
DTPA/Gd(aq) 2.9 ± .2 2.9 ± .2