2.4.1. Zone of inhibition
Colonies of S. aureus and E. coli obtained from an overnight culture were suspended in Luria Broth and the turbidity was adjusted to 0.5 McFarland standards. 200 μL of this suspension was spread on Luria-Agar plates to obtain a semi-confluent growth. Control, OP-Gel-Aloe, OP-Gel-Curcumin and OP-Gel-Aloe Curcumin dressings were then placed on the inoculated medium and the plates were kept for incubation for 24 h at 37 °C and subsequently, inhibition zones were observed.