International Journal of Biomaterials / 2012 / Article / Fig 4

Research Article

Surface Characterization of Asymmetric Bi-Soft Segment Poly(ester urethane urea) Membranes for Blood-Oxygenation Medical Devices

Figure 4

Correlation between water contact angle and maximum zeta potential observed in zeta potential versus pH plots at alkaline pH values (NaOH addition, 10−3 M KCl background electrolyte) for the blood-contacting surface of the PEUU membranes.