Fig. 2From: Scientific and regulatory approaches to confirm quality and improve patient perceptions of generic drug products in JapanAdsorption isotherm plots of (a) indole, (b) indoxyl sulfate, (c) indoleacetic acid, (d) tryptophan and (e) DL-β-aminoisobutyric acid on three spherical adsorbent carbon products. Amount of toxins adsorbed onto spherical adsorbent carbon was calculated from the decreased amount of free toxins in solutionsBack to article page