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Overlay sensorgrams for SPR analysis of polyphenolic compounds [cyanidin, quercetin, silybin, cyanin, (+)-catechin and (−)-epicatechin] bound to human thrombin immobilized on CM5 sensor chip. Polyphenols were injected at a concentration of 1,000 μM to the channel with immobilized thrombin. Sensorgrams were collected using BIAcore system and BIAevalution software 3.1
