In pre-studies, commercial TiO2 and ZnO nanoparticles as well as various particles of greater diameter (Sigma Aldrich, St. Louis, USA) were dispersed in distilled water to a final concentration of 5% (w/v) and then investigated for their particle size
In pre-studies, commercial TiO2 and ZnO nanoparticles as wellas various particles of greater diameter (Sigma Aldrich, St. Louis,USA) were dispersed in distilled water to a final concentration of 5%(w/v) and then investigated for their particle size