Figure 8From: Sustained release formulation of an anti-tuberculosis drug based on para-amino salicylic acid-zinc layered hydroxide nanocomposite Kinetics of control release fitting the data of 4-amino salicylic acid release from 4-ASA nanocomposite into PBS solutions at pH 7.4 and 4.8 using pseudo-first, pseudo-second order kinetics and parabolic diffusion model. Back to article page