Table 1. Protein kinase inhibition potential of Fe₂O₃–Ag₂O, Fe₂O₃–Ag₂O@GO, Fe₂O₃–Ag₂O@N-GO and Fe₂O₃–Ag₂O@S-GO NCs.

Samples	Bald zone (mm)	Clear zone (mm)
Fe2O3–Ag2O	8 ± 0.02	11 ± 0.08
Fe2O3–Ag2O@GO	9 ± 0.02	9 ± 0.03
Fe2O3–Ag2O@N-GO	9 ± 0.01	7 ± 0.01
Fe2O3–Ag2O@S-GO	8 ± 0.06	6 ± 0.05
Surfactin B	22.3 ± 0.04	—
DMSO	—	—