
Keywords: Boronate affinity chromatography; Poly(GMA-co-EDMA) monolith; Capillary isoelectric focusing; In-line coupling; Urine; Catecholamines; AcOH; acetic acid; AIBN; azobisisobutyronitrile; APBA; 3-aminophenylboronic acid; A; adrenaline; BAC; boronate affinity