TL;DR: The usage of brown alga (Bifurcaria bifurcata) in the biosynthesis of copper oxide nanoparticles of Proportions five–forty five nm is reported for The 1st time and these nanoparticles have been found to exhibit substantial antibacterial exercise against two unique strains of bacteria. To the latter, the formation of nanowire https://www.directivepublications.org/journal-of-applied-nanoscience/