Abstract
The advantage of Fourier-Transform-Infrared (FTIR) over conventional grating infrared spectrometry in the field of analysis of organic blood-contact surfaces has been demonstrated. It has been shown that the increase in signal-to-noise ratio by a factor of up to 100 (because of the multiplexing and throughput advantage of FTIR) and the perfect wavenumber calibration of the FTIR-system (Connes advantage) allows the study of adsorbed layers on polymer surfaces and also monitoring of the formation of protein layers on these surfaces directly from aqueous solutions. The results of clinical experiments with polyurethane and polyurethane-siloxane shunt samples are discussed.
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