Image based instrument viability controls. Our particle standards offer discrete "live" and "dead" populations. They can be delivered in customizable ratios & concentrations.
ViaCheck™ Viability Control 75% is a suspension of ~10µm blue microspheres and ~20µm undyed microspheres that simulate a 75:25 ratio of live and dead (or dying) cells stained with Trypan Blue.
Viable: 75%
Count: 1 x 106