The antigen used for immunization has been purified from pathological urine. This antibody is well-suited for the determination of retinol-binding protein by ELISA (1) and turbidimetry.
1. Topping MD, Forster HW, Dolman C, Luczynska CM, Bernard AM. Measurement of urinary retinol-binding protein by enzyme-linked immunosorbent assay, and its application to detection of tubular proteinuria. Clin Chem 1986,32:1863-6.