Canine Thyroxine, T4 Elisa Kit for detecting Thyroxine, T4 in serum, plasma, cell culture supernates, tissue homogenates. Species Reactivity: Dog (Canis familiaris, Canine). Detection Range: 20-320ng/ml. Sensitivity: 20ng/ml. Format: 96-Well Plate. Assay Type: Competitive. Assay Time: 1-5h. Restrictions: For Research Use Only. Not for use in diagnostic procedures.