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We have developed a platform to detect DNA damage induced by perfluorooctanoic acid (PFOA) by measuring the electrochemiluminescence (ECL) of a layer-by-layer electrostatic assembly. Gold nanoparticles were electrodeposited on a glassy carbon electrode (GCE) and then drop coated with calf thymus DNA. The surface of the GCE was then modified by sequential drop coating with polyethyleneimine and CdSe...
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