ascorbic acid

Acetylsalicylic acid, paracetamol, and ascorbic acid which are used for the pain reliever and fever reducer were analyzed without any prior reservation by means of spectrophotometry-chemometry. The experimental calibration matrix was designed by measuring the absorbance within the range of 200–400 nm for 19 samples of acetylsalicylic acid, paracetamol, and ascorbic acid. Absorbance and concentration values were analyzed using Minitab and other chemometric programs to calculate estimated concentrations by PCR and PLSR.

The introduction of the paper was devoted to the main items of tissue engineering (TE) and the way of porous structure obtaining as scaffolds. Furthermore, the significant role of the scaffold design in TE was described. It was shown, that properly designed polyurethanes (PURs) find application in TE due to the proper physicochemical, mechanical and biological properties. Then the use of L-ascorbic acid (L-AA) in PUR systems for TE was described. L-AA has been applied in this area due to its suitable biological characteristics and antioxidative properties.