TL;DR: The use of brown alga (Bifurcaria bifurcata) during the biosynthesis of copper oxide nanoparticles of Proportions 5–forty five nm is claimed for the first time and these nanoparticles were found to show large antibacterial action in opposition to two diverse strains of microorganisms. the editor(s) disclaim accountability for virtually https://www.directivepublications.org/journal-of-applied-nanoscience/