Adsorption of Mefp-1: Influence of pH on adsorption kinetics and adsorbed amount

► The adsorption and adsorption rate of Mefp-1 were investigated over a wide pH range. ► The adsorbed amount of Mefp-1 increases with the pH and surface charge density. ► The importance of electrostatic forces in Mefp-1 was demonstrated. ► The rate of Mefp-1 adsorption is close to diffusion limited above pH 4.5.