Ultrasensitive immunoassay of insulin based on highly efficient electrochemiluminescence quenching of carboxyl-functionalized g-C3N4 through coreactant dual-consumption by NiPd-DNAzyme

The NiPd nanoparticles loading with G-quadruplex/hemin DNAzyme (NiPd-DNAzyme) as the dual-quenching probe for electrochemiluminescent (ECL) detection of insulin.104