TL;DR: The Usage of brown alga (Bifurcaria bifurcata) within the biosynthesis of copper oxide nanoparticles of dimensions five–45 nm is described for the first time and these nanoparticles have been uncovered to show large antibacterial action against two different strains of bacteria. The complexity in the peer evaluation process and https://www.directivepublications.org/journal-of-applied-nanoscience/