Figure 9From: Sustained release formulation of an anti-tuberculosis drug based on para-amino salicylic acid-zinc layered hydroxide nanocompositeCytotoxicity Analysis: Cell viability (MTT assay) of 3T3- L1 exposed to various gradient concentrations at 24, 48 and 72 hours. The data presented are mean ± SD of triplicate values.Back to article page