Figure 1From: Sustained release formulation of an anti-tuberculosis drug based on para-amino salicylic acid-zinc layered hydroxide nanocomposite Powder X-ray diffraction results patterns for the zinc oxide (A), ASA-nanocomposite in which the symbol * represent zinc oxide peaks and triangle shows the adsorbed drug on the layers (B) and free 4-amino salicylic acid (C). Back to article page