Development and Characterization of Novel Polyurethane Films Impregnated with Tolfenamic Acid for Therapeutic Applications

Figure 6

Release profiles of TA from TA-PU films. (a) 1 : 2 (method II), (b) 1 : 2 (method I), (c) 1 : 5 (method II), and (d) 1 : 5 (method I). The error bars represent the standard deviation where 𝑛=3.