The Cyclin B1 (Phospho-Ser147) Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can monitor Cyclin B1 (Phospho-Ser147) protein expression profile in cells. The kit can be used for measuring the relative amounts of Cyclin B1 (Phospho-Ser147) in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on Cyclin B1 (Phospho-Ser147) .