Assessment of the Relaxation-Enhancing Properties of a Nitroxide-Based Contrast Agent TEEPO-Glc with In Vivo Magnetic Resonance Imaging

Table 1

Apparent tumor CA concentration in each animal.

	Animal	Injected dose (μmol/g)	Injected dose (μmol)	Apparent tumor concentration (mM∼μmol/g)	%ID/g
TEEPO-Glc	1	2.2	693	0.67	0.10
	2	1.6	615	0.85	0.14
	3	1.2	385	0.83	0.22
	4	1.2	285	0.59	0.21
	5	1.0	206	0.65	0.32
	6	1.0	210	0.48	0.23
	7	0.5	105	0.09	0.09
Average					0.19 ± 0.08
Gd(DTPA)	3	0.1	34	0.12	0.37
	8	0.1	37	0.05	0.15
	9	0.1	37	0.09	0.24
	10	0.1	33	0.09	0.27
Average					0.25 ± 0.09