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A hierarchically structured composite of Mn3O4/3D graphene foam for flexible nonenzymatic biosensors
We report a novel composite material of hierarchically structured Mn3O4 grown on three-dimensional graphene foam (3DGF). This hierarchical Mn3O4/3DGF composite was fabricated as a flexible and freestanding biosensor for ...
The electrical detection of lead ions using gold-nanoparticle- and DNAzyme-functionalized graphene device
An electronic Pb2+ sensor, with high sensitivity and specificity, was developed based on DNAzyme- and gold-nanoparticle-functionalized graphene transistor.