NA activity was determined in 96-well white U-bottom microplates (Greiner bio-one GmbH, Frickenhausen, Germany) using the CL-based NA-Star assay (NA-Star Influenza Neuraminidase Inhibitor ...

Furthermore, hemagglutination-based NA inhibition assays were established. Results Our study shows three types of signal interference affecting the readout of biochemical assays: self-FL ...