Magnetic Separator Preventive

Gold nanoparticles Au NPs doped Fe 3 O 4 email protected 3 O 4 NPs have been synthesized by a facile one-step solvothermal method.The peroxidase-like activity of email protected 3 O 4 NPs was effectively enhanced due to the synergistic effect between the Fe 3 O 4 NPs and Au NPs. On this basis, an efficient colorimetric aptasensor has been developed using the intrinsic dual .

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