A portable electrochemical immunosensor was fabricated for the detection of microcystin-LR by using graphene hydrogel@polydopamine as the substrate material and multi-HRP-(MCSs/Thi@AuNPs)-Ab2 as the signal label.
A nanostructured manganese dioxide electrode material was prepared using a solid-reaction route starting with MnCl 2 •4H 2 O and NH 4 HCO 3 , and its electrochemical performance as a positive electrode for MnO 2 /activated carbon hybrid supercapacitor with 1 mol•L -1 LiOH electrolyte was reported. The material was proved to be a mixture of nanostructured γ-MnO 2 and α-MnO 2 containing some bound water in the structure, which was characterized by X-ray diffraction analysis, infrared spectrum analysis, and transmission electron microscope observation.
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