TL;DR: The usage of brown alga (Bifurcaria bifurcata) during the biosynthesis of copper oxide nanoparticles of dimensions five–45 nm is reported for The very first time and these nanoparticles have been uncovered to exhibit higher antibacterial activity from two unique strains of bacteria. the editor(s) disclaim responsibility for just about https://www.directivepublications.org/journal-of-applied-nanoscience/