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Table 1 The kinetics of different compounds to scavenging hydroxyl radicals

From: The extracellular death factor (EDF) protects Escherichia coli by scavenging hydroxyl radicals induced by bactericidal antibiotics

Compound

Second-order rate constants (Ks a , M − 1  s − 1 )

EDF

(42.66 ± 7.92) × 109

GNWNN (iEDF)

(20.36 ± 9.41) × 109

NGWNN

(31.47 ± 14.63) × 109

NNGNN

(2.13 ± 1.32) × 109

NNWGN

(14.95 ± 1.96) × 109

NNWNG

(28.87 ± 13.37) × 109

EDF + iEDF

(2.13 ± 0.24) × 109

Thiourea

(13.21 ± 0.99) × 109

2, 2′-dipyridyl

(2.37 ± 0.21) × 109

Glucose

(1.62 ± 0.16) × 109

  1. aKs denotes the rate constant of hydroxyl radical-scavenging reaction determined by scavenging hydroxyl radicals method.
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