This Polymer Negative Control Serum is designed to work with both mouse and rabbit antibodies. The Polymer Negative Control Serum has been titered for Biocare products including monoclonal and polyclonal antibodies, and antibody cocktails. It can be used with any of Biocare’s mouse and/or rabbit polymer detection kits or Biocare’s double stain kits. It can also be used on an automated staining system such as intelliPATH FLX®. For all non-polymer based detection systems, please use NC498.