Synthesis, Electrochemical, Spectroscopic, Antimicrobial, and Superoxide Dismutase Activity of Nickel (II) Complexes with Bidentate Schiff Bases

Table 3

Antibacterial activity of nickel (II) complexes 1 and 2.

Complexes (mM)	Diameter of inhibition zone (in mm)
	Streptococcus aureus	E.  coli
[Ni(L^1)2](ClO4)2(1)
5	6	7
10	9	11
15	12	18
[Ni(L^2)2](ClO4)2(2)
5	4	6
10	7	10
15	13	15