Inhibition of Coliforms and Escherichia coli Bacterial Strains in Water by 3D Printed CS/GO/AgNP Filtration Membranes

Abstract The effect of 3D printed modified Chitosan membranes on bacterial strains by water filtration system was explored in this study. Specifically, it focused the characterisation Chitosan–graphene oxide–silver nanoparticles (CS–GO–AgNP) composite and effects Dimethylacetamide (DMAc) used as co-solvent performance CS–GO–AgNP nanocomposites. It also examined impact GO–AgNP CS matrix for inhibition Fecal Coliforms, Total Coliforms Escherichia coli ( E. ) contaminated surface water. increase DMAc concentration subsequent reduction mole fraction within ink formulation resulted to wider distribution AgNP across membrane surface, improvement mechanical strength hydrophilicity membranes. Similarly, effectively reduced spread identified microorganisms. Sample B-12 with 79% CS, 21% 1.2 ml exhibited highest strains, more than 95% suppressed or inactivated, while 99.9% cells were completely prevented, indicating that our can be treatment.