Laith A. Yaaqoob1Usama R. Hameed1. 2023. “Antibacterial Activity of Cobalt and Titanium (Co: Tio2) Core-Shell Nanoparticles Against E. Coli Isolated From Urinary Tract Infections”. Iraqi Journal of Biotechnology 21 (2). https://www.jige.uobaghdad.edu.iq/index.php/IJB/article/view/558.