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Grippo, Valentina; Pawłowska, Joanna; Biernat, Jan F.; Bilewicz, Renata
Electroanalysis (New York, N.Y.), January 2017, 2017-01-00, 20170101, Letnik: 29, Številka: 1Journal Article
To improve the direct electron transfer from a multicopper oxidase MvBOd to the glassy carbon electrode surface the naphthylated multiwall carbon nanotubes (Napht‐MWCNTs) are combined with gold nanoparticles (AuNPs) to form a conductive network at the electrode and to increase its working surface. Such approach allowed to eliminate the necessity of employing mediators to reach elevated current values. The enzyme stability was improved by accommodating it in a biomimetic film of lipidic liquid‐crystalline mesophase of cubic symmetry. The cubic phase hosted the enzyme in its fully active form for days of continuous work of the electrode.
