The sensitivity of the VECTASTAIN® ABC-AP system is comparable to that of the peroxidase VECTASTAIN® Elite® ABC system. The VECTASTAIN® ABC-AP Kits may be preferred for tissues that have high endogenous peroxidase activity. The system also offers additional substrate color choices.

These kits are sufficient to stain approximately 1000 - 2000 sections or fifty 100 cm2 blots.