TL;DR: The usage of brown alga (Bifurcaria bifurcata) in the biosynthesis of copper oxide nanoparticles of Proportions 5–45 nm is reported for The 1st time and these nanoparticles had been observed to exhibit significant antibacterial exercise from two different strains of microorganisms.Indium-free MgSnO3 clear conductive oxide layer: investigat