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Mouseprimaryantibodiesonrattissuesareadvantageousbecausemousesecondarydetectionsystemscanbeusedwithminimumcross-reactivitytoendogenousratIgG.BiocareMedicalhasdevelopedaMouse-on-RathorserADIshperoxidase(HRP)polymerdetectionsystemwithminimalcross-reactivitytorattissues.Itcanbeusedwithformalin-fixedparaffin-embeddedtissues,floatingsections,frozensectionsandcellculturepreparations.BiocareMedicalhasnovelproductstohelpeliminatepersistentratIgG.XRFactorisaverypotentblockerforeliminatingendogenousratIgG.Byadding1-2drops(1dropequals33µl)oftheXRFactorto2.5mloftheMouse-on-RatPolymer,endogenousratIgGwillbedramaticallyreducedand/orcompletelyeliminated.