Advances in Pharmacological and Pharmaceutical Sciences / 2019 / Article / Fig 3

Research Article

Synthesis of an Activatable Tetra-Substituted Nickel Phthalocyanines-4(3H)-quinazolinone Conjugate and Its Antibacterial Activity

Figure 3

The surface morphology of the (qz)4Ni Pcs 4a–d samples prior to bacterial activities. SEM micrographs of (a) 4a, (b) 4b, (c) 4c, and (d) 4d. The samples show the different morphological features for different samples. All scale bars are 5 μm.