TL;DR: Using brown alga (Bifurcaria bifurcata) while in the biosynthesis of copper oxide nanoparticles of Proportions five–45 nm is noted for The 1st time and these nanoparticles were identified to exhibit higher antibacterial action against two distinctive strains of bacteria. the editor(s) disclaim responsibility for any personal injury to persons https://www.directivepublications.org/journal-of-applied-nanoscience/