Flow Cytometry This lab is fully equipped with a state-of-the-art cytometer (described below) and analysis software. This BD Fortessa flow cytometer is equipped with 4 lasers: a 488 nm (2-color detection), a 640 nm (3-color detection), a 405 nm (6-color detection), and a 561 nm (4-color detection). It also has high throughput capability (contact: Jason L. Hellmann, PhD).