Fig. 1From: The effect of purification of Ga-68-labeled exendin on in vivo distributionITLC method for determination of the 68Ga-colloid content. a TLC images and profiles of 68Ga-DOTA-exendin-3 with various amounts of 68Ga-colloid (typical examples). b Correlation between the amount of 68Ga-colloid added and the measured colloid content as determined by TLCBack to article page