Table 1.

Summary of tumor imaging results

IRDye®800CW EGF		Normalized fluorescence		Signal loss
Preparation	Source	Intact animalsa	Tumor sectionsb	Intact animals	Tumor sections
FPLC	A	1039.30	94.23
FPLC	B	512.77	113.39
HPLC	A	746.22	69.58	28%c	26%
HPLC	B	185.94	55.92	(64%)d	(51%)
HPLC	C	100.21	59.44	90% (80%)	37% (48%)
HPLC	D	85.63	55.75	92% (83%)	41% (51%)

^aNormalized fluorescence for intact animals: mean pixel fluorescence (tumor) minus mean pixel fluorescence (background).

^b800nm fluorescence per area (mm²).

^cComparison to Source A FPLC to determine % Loss.

^dComparison to Source B FPLC to determine % Loss (numbers in parentheses).