TL;DR: Using brown alga (Bifurcaria bifurcata) from the biosynthesis of copper oxide nanoparticles of Proportions 5–forty five nm is described for The very first time and these nanoparticles have been located to exhibit higher antibacterial activity versus two different strains of germs. The internet site is safe. The https:// makes https://www.directivepublications.org/journal-of-applied-nanoscience/