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ratio (0.33). Guanidine strongly stimulates NADH-supported hydrogen peroxide and superoxide production at any NADH concentration and activates NADH:ferricyanide and inhibits NADH:hexaammineruthenium (III ...
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and exposed low-potential iron-sulfur clusters, which can be directly poisoned by oxygen. They also developed mechanisms to defend themselves against superoxide (O 2 − ) and hydrogen peroxide, partially reduced ...
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During four seasonally disparate voyages in 2005 and 2006, hydrogen peroxide (H 2 O 2 ) concentrations were measured in surface seawater east of New Zealand on a transect from 46° 38′ S to 41° 10′ S ...
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The relevance of hydrogen peroxide (H 2 O 2 ) in biological processes has been underestimated for a long time. In recent years, various reports showed that H 2 O 2 not only acts as a cytotoxic ...
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discuss how these properties are related with the oxidative potency of ROS, especially those of O2 À and H2O2. Keywords Iron . Glutathione S-transferase . Superoxide anion . Hydrogen peroxide . ROS ...
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the four cell types. This indicates that the generation of hydroxyl radicals induced by resin monomers is likely dependent on LIP levels. In contrast to resin monomers, hydrogen peroxide (H2O2)‐induced ...
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, an inhibitor of calcium-activated potassium channels. The vasodilations from hydrogen peroxide, or superoxide were unaffected by inhibition of soluble guanylate cyclase with LY83583. The findings provide ...
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. coli , respectively. However, unlike Mn-SODs, the H. ducreyi SodA protein was inhibited by hydrogen peroxide in native gels stained for SOD activity. 1 Introduction Haemophilus ducreyi ...
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and hydrogen peroxide can be generated in cell culture media in a light-dependent manner [7] . Superoxide hardly penetrates into a cell, but hydrogen peroxide can easily cross cell membrane and cause damage ...