For Research Use Only. Not for Use in Diagnostic Procedures. Two-site ELISA method for the measurement of C-Reactive Protein (low concentrations) with a high sensitivity assay designed with goat polyclonal antibodies for coating the microELISA plate (immunocapture), as well as preparing the Horse Radish Peroxidase (HRP) immunoconjugate. This is an ON-DEMAND item which requires minimum order quantity and extended lead time. Please Contact Us for a quote.