Abstract
ABSTRACT Alginate coatings were fabricated by electrophoretic deposition (EPD) using alcohol (methanol, ethanol and isopropanol)-water mixtures at different ratios. Water electrolysis and so current density increased with water content and EPD time leading to the more bubbles in coatings. EPD rate increased with water amount due to the increase in concentration of H+ and Alg− ions and reduction in solution viscosity. According to the results of kinetics, optical microscopy and corrosion analyses the coating deposited at 10 V for 1 min from the ethanolic solution with 60 vol.-% of water was selected as the optimum coating for in-vitro cell culture and antibacterial analyses. There was almost 30% rise in cell expansion for the sample with optimum coating after 7 days compared to the blank. Also, the coated sample showed antibacterial activity against Bacillus bacteria.
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