TheXRFactorisapotentblockerforeliminatingendogenousratIgG.ByaddingXRFactortoBIOCARE’sMouseonRat,GoatPolymerorRabbitonRodentpolymerdetection,endogenousratIgGwilldramaticallybereducedorcompletelyeliminated.BIOCAREhasalsodevelopedRodentBlockRthatblocksfornonspecificbackgroundstaining,andatthesametime,reducesendogenousratIgG.ThecombinationofRodentBlockRandtheXRFactorallowsprimarygoat,rabbitandmouseantibodiestobeusedonrattissues.Itcanalsobeusedonanautomatedstainingsystem.