Table 2. Kinetic constants characterizing the impact of ELF-EMF exposure on antioxidant enzyme catalase (CAT) activity in human SH-SY5Y neuronal cultures.

	Total υ	↑®	υmin	↓®	pT (hr)	pυ
Basal	467±6.0	2.0±0.32	1.7±1.3	2.45	13.5	31.2
+ ELF-EMF	575±8.7	1.5±0.12	3.7±0.49	8.0	16.5	26.2

υ = activity; ↑® =  Upward υ rate; υ_min =  minimum initial activity; ↓® =  downward υ rate; pT = peak time; pυ = peak activity.