User:Samiye Yaman/Notebook/Lab 581/2013/03/08
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Figure 8: shows the UV-Vis spectra of the 0.1 g of hydrogel in 5 ml of phosphate buffer (series 1) and 0.1 g of hydrogel with lecithin in 5ml of buffer (series 2). Absorbance of PVOH with lecithin was lower than the observance of PVOH without lecithin. It was indicated that use of lecithin decreases the absorbance of the PVOH.