Assertion: hydrogen peroxide's role | /r/HasProperty | demonstrated
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Source sentences:
text: The kinase-activating role of H 2 O 2 in these cells was demonstrated by blocking H 2 O 2 production with an NADPH oxidase inhibitor, diphenylene iodonium; by preventing H 2 O 2 accumulation with N-acetylcysteine or catalase; or by the introduction of exogenous H 2 O 2 (12, 20, 45, 46).