▎ 摘　　要

NOVELTY - Manufacture of graphene-nano-zinc hydrogel electrode involves mixing graphene oxide solution, zinc sulfate heptahydrate solution having concentration of 4-6 mg/ml, and vitamin C solution having concentration of 3-6 mu mol/L in volume ratio of 3-7:0.1-0.3:0.2-0.6, and reacting. USE - Manufacture of graphene-nano-zinc hydrogel electrode for bioprobe. ADVANTAGE - The graphene-nano-zinc hydrogel electrode having improved conductivity can be manufactured.