TL;DR: The usage of brown alga (Bifurcaria bifurcata) within the biosynthesis of copper oxide nanoparticles of dimensions five–forty five nm is noted for the first time and these nanoparticles have been uncovered to show higher antibacterial activity against two diverse strains of bacteria. In a while, in 1991, Drexler, Peterson https://www.directivepublications.org/journal-of-applied-nanoscience/