For quantitative determination of neuraminidase activity and screen for neuraminidase inhibitor. Key Features: Sensitive and accurate. Linear detection range at 37° C in 96-well plate: 0.1 to 10 U/L for colorimetric assays and 0.01 to 2 U/L for fluorimetric assays. Simple and convenient. Homogeneous assay requiring only two absorbance measurements. Assay can be completed in 60 min. High-throughput. Can be readily automated as a high-throughput 96-well plate assay to screen thousands of samples per day. Method: OD570nm, or FL530/585nm. Samples: Biological. Species: All. Procedure: Assay takes 60 min. Kit size: 100 tests. Detection limit: OD, FL: 1, 0.01U/L.