Fig. 3
From: Selection and identification of an ssDNA aptamer against influenza B virus hemagglutinin protein
SPR assay to evaluate candidate aptamer binding affinity for influenza B virus hemagglutinin protein. a SPR blank channel. b Influenza B virus HA protein channel. c The SPR detection of A573 exhibited a pronounced affinity for the influenza B HA protein gradient, demonstrating a distinct binding interaction