Heparin-doped affinity electromembranes for thrombin purification

► Affinity electromembrane was fabricated using heparin as both ligand and dopant. ► Affinity electromembrane exhibited a uniform conductivity value of 1.73 × 10−4 S/cm. ► Adsorption capacity and rate were significantly enhanced by electrical stimulation. ► Affinity electromembrane has good stability and excellent reusable performance.