biovision K134-9-25 Cell culture ? Detection method- Absorbance (400 or 405 nm ) ? Species reactivity- Mammalian ? Kit size- 9X25 assays ? Applications- Detects specific Caspases involved in apoptosis within cells Caspase-Family Colorimetric Substrate Set II: Ready-to-Use Colorimetric Substrates for Assaying Activities of Caspase-1, -2, -3, -4, -5, -6, -8, -9 & -10 family proteases. Concentration: 4 mM. Ready-to-use colorimetric substrates for members of caspase family proteases. All substrates were provided in liquid ready-to-use form.