higher temperature. Decrease in the intensity of the amide I
0 mode indicates timeand potential-dependent reorientation of the collagen helices in the adsorbed film
leading to a continuous increase in the film thickness and slow dissolution of the
protein film [48].
First in situ PM IRRAS studies of protein films provide valuable information
concerning the structure of an adsorbed protein and its changes caused by external
impulses such as electric potential or temperature. It is an excellent experimental
method to elucidate in situ the secondary structure of a protein and its changes
caused by the adsorption process.
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