Table 1. Quantitative analysis of paclitaxel inside the MPM487 mesothelioma illustrated in Fig. 3c by 3D MALDI MSI.

Colors assigned to 3D model	PTX range (μg/g)	Tissue weight (mg)	Volume (%)	PTX amount (μg)	PTX tumor conc. (μg/g)
RED	>32.79–≤104.98	1.48	0.21	0.10	2.58
GREEN	>10.24–≤32.79	21.51	3.00	0.46
LIGHT BLUE	>3.2–≤10.24	113.26	15.77	0.76
BLUE	>0.2–≤3.2	311.24	43.35	0.53
BLACK	<LOD	270.50	37.67	0.00
TOTAL		718.00	100.00	1.86