Synthesis and Biological Analysis of Thiotetra(ethylene glycol) monomethyl Ether-Functionalized Porphyrazines: Cellular Uptake and Toxicity Studies

Figure 2

MTT time course plot of A549 (□) and WI-38 VA13 (Δ) cells exposed to 50 μM pz. Dotted lines = control (cells + DMSO), solid lines = cells + pz.

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