Table 1. Antioxidant Activity of the Investigated Nitroxides Studied by the Inhibited Autoxidation Method^a.

kinh (M–1 s–1)			n	E° (V)
1	(5.1 ± 1.5) × 106	(4.6 × 106;b 2.8 × 107c)	3.8 ± 0.4	0.722d
2	(1.1 ± 0.5) × 106	(3.3 × 106)c	4.7 ± 0.7	0.810d
3	(5.4 ± 1.5) × 105	(1.0 × 106)c	4.5 ± 0.6	0.826d
4	(3.7 ± 1.0) × 105		1.9 ± 0.3	0.82e
5	(1.1 ± 0.4) × 105		1.8 ± 0.1	0.88e
6	(1.9 ± 0.5) × 105		1.9 ± 0.3
7	(5.6 ± 1.2) × 104	(2.8 × 105)c	1.5 ± 0.2	0.913c
PluS–NO	(1.5 ± 0.4) × 105		3.7 ± 0.5
			111 ± 15f
Trolox	(2.6 ± 0.7) × 105		2g

^aRate constant of the reaction with peroxyl radicals (k_inh) with literature values in parenthesis, stoichiometric coefficient (n) and redox potential for the oxoammonium/nitroxide couple (H₂O vs normal hydrogen electrode (NHE)).

^bFrom ref (19).

^cReaction with ^tBuOO^• obtained by pulse radiolysis, from ref (15).

^dFrom ref (15).

^eFrom ref (53).

^fOverall n of the PluS–NO nanoantioxidant.

^gReference value, from ref (32).