This immunoassay kit allows for the in vitro quantitative determination ofbovineRetinol-binding protein 4concentrations in serum, Plasma,tissue homogenates and Cell culture supernates and Other biological fluids.The microtiter plate provided in this kit has been pre-coated with an antibody specific to Retinol-binding protein 4. Standards or samples are then added to the appropriate microtiter plate wells with a biotin-conjugated polyclonal antibody preparation specific forRetinol-binding protein