Abstract
This work describes photochemical modification of collagen films, which are widely used in medical and consumer applications. Modification of collagen films by UV irradiation (254 nm) was investigated using differential scanning calorimetry and scanning electron microscopy. It was found that the denaturation temperature of collagen decreased during irradiation and the surface of the films was changed. Changes of denaturation temperature and surface of films under UV irradiation point to the loss of water bonded to collagen. This is confirmed by IR spectra.
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