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  • Title: Three-dimensional nitrogen-doped graphene as an ultrasensitive electrochemical sensor for the detection of dopamine.
    Author: Feng X, Zhang Y, Zhou J, Li Y, Chen S, Zhang L, Ma Y, Wang L, Yan X.
    Journal: Nanoscale; 2015 Feb 14; 7(6):2427-32. PubMed ID: 25565111.
    Abstract:
    Three-dimensional nitrogen-doped graphene (3D N-doped graphene) was prepared through chemical vapor deposition (CVD) by using porous nickel foam as a substrate. As a model, a dopamine biosensor was constructed based on the 3D N-doped graphene porous foam. Electrochemical experiments exhibited that this biosensor had a remarkable detection ability with a wide linear detection range from 3 × 10(-6) M to 1 × 10(-4) M and a low detection limit of 1 nM. Moreover, the fabricated biosensor also showed an excellent anti-interference ability, reproducibility, and stability.
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