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The versatile ability of dopamine to modify and functionalize surfaces was utilized for the grafting of poly (ethyleneimine) (PEI) and preparation of catalytically active track-etched poly (ethylene terephthalate) membranes. Gold nanoparticles were synthesized by self-reduction of [AuCl4]− ions immobilized on DOPA, whereas for PEI-grafted membranes, the nanoparticles were obtained by in situ reduction...
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