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Hydroxyl radicals easily oxidize biomolecules such as proteins and DNA. The most abundant oxidative product of DNA is 8‐hydroxy 2′‐deoxyguanosine (8‐OHdG) and this is considered a biomarker of oxidative DNA damage. This work studies the electrochemical behavior of 8‐OHdG on electrodes modified with carbon nanotubes dispersed in polyethylenimine. The technique of differential pulse anodic stripping...
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