WB; IHC, Frozen; ELISA; Neut, Neutralizing IHC, Inhibition of biological activity in vitro/in vivo. Recommended to be used at a dilution of 1:200-2000 for immunohistochemistry on Zamboni's fixed frozen tissue; not recommended for formalin fixed paraffin embedded tissues. 1:10 to 1:50 for inhibition of biological activity in vitro. Use neat for in vivo studies at 5-10 µL/g body weight. Whole serum format will caused immune responses, purified format is preferred for most in vivo work. Not recommended for western blots. Biosensis recommends optimal dilutions/concentrations should be determined by the end user.