TL;DR: The usage of brown alga (Bifurcaria bifurcata) within the biosynthesis of copper oxide nanoparticles of dimensions five–45 nm is documented for The very first time and these nanoparticles have been identified to exhibit significant antibacterial action towards two different strains of germs. Determined by the exceptional Homes of optical https://www.directivepublications.org/journal-of-applied-nanoscience/