We investigated the surface structure of the excimer laser ablation by the microphotoetching of dried and swelled collagen films using atomic force microscope (AFM) and scanning electron microscope (SEM) measurements. We characterized the roughness of the etched surface by topographical analysis. The thermal effect of the collagen was investigated from the changes in the amide I band of the debris by ATR method using FT-IR spectroscopy. Especially, we studied the time-resolved photographic relations inorder to determine the mechanism causing the difference in the excimer laser ablation between the swelled and the dried collagen films.
Excimer laser ablation of biomaterials: the contribution of water in collagen films
1999-01-01
220855 byte
Conference paper
Electronic Resource
English
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