Chemicals and Reagents
Acrylamide : It was purchased from Sigma-Aldrich (St. Louis, MO,
USA) as white crystalline powder. It is freely soluble in water,
ethanol, ether and chloroform. It has a molecular formula ofC3H 5NO . Its IUPAC name
is prop-2-enamide.
Capsaicin: It was obtained from Sigma-Aldrich (St. Louis, MO,
USA) as white crystals with a molecular formula ofC18H27NO3.Capsaicin is soluble in organic solvents such as ethanol, DMSO, and
dimethyl formamide. The solubility of capsaicin in these solvents is at
least 30 mg/ml.
TQ: It was obtained from Sigma-Aldrich (St. Louis, MO, USA) as
brown crystals with a molecular formula ofC10H12O2. TQ is
soluble in organic solvents such as ethanol, DMSO, and dimethyl
formamide. The solubility of TQ in ethanol and DMF is approximately 16
mg/ml and in DMSO it is approximately 14 mg/ml.