Investigating the Lymphatic System by Dual-Color Elemental Mass Spectrometry Imaging

Figure 1

Chemical structure of the two cyclic contrast agents gadolinium(III)2,2′,2′′-(10-((2R,3S)-1,3,4-trihydroxy-butan-2-yl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl) triacetate (Gd-DO3A-butrol) and thulium(III)(1R,4R,7R,10R)-α,α′,α′′,α′′′-tetramethyl-1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetate (Tm-DOTMA).