Store › SPY620-Actin 100 stainings SPY620-Actin 100 stainings $1,040.00 Quantity: Add To Cart Added! SPY620-actin is a bright fluorogenic, cell permeable and highly specific live cell probe for fluorescence imaging of actin SPY620-actin is a bright fluorogenic, cell permeable and highly specific live cell probe for fluorescence imaging of actin