Table 1.
Physicochemical properties of the model drugs tested in this work.
| Name | Molecular Weight | pKa | Log P | Water Solubility |
|---|---|---|---|---|
| Diclofenac | 296.20 | 4.15 | 4.51 | 2.37 mg/L |
| Naproxen | 230.20 | 4.15 | 3.18 | 15.9 mg/L |
| Piroxicam | 331.34 | 6.30 | 3.06 | 23 mg/L |
| Glycyrrhizic acid ammonium salt | 822.94 | 3.98, 4.62, 5.17 1 | 2.80 | Freely sol in hot water |
Diclofenac (PubChem CID: 3033); Naproxen (PubChem CID: 156391); Piroxicam (PubChem CID: 54676228); glycyrrhizic acid (PubChem CID: 14982) from https://pubchem.ncbi.nlm.nih.gov/ (NCBI PubChem Compound Database). 1 Taken from [10].