Ultrasensitive supersandwich-type biosensor for enzyme-free amplified microRNA detection based …

A simple supersandwich-type biosensor is fabricated for the ultrasensitive determination of microRNAs (miRNAs) using N-doped graphene/Au nanoparticles (NG-AuNPs) and hemin/G-quadruplexes based enzyme-free. In the proposed strategy, AuNPs are deposited on the surface of MoSe2 modified …

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