Journal
NANOSCALE
Volume 7, Issue 6, Pages 2427-2432Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr06623e
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Funding
- '973' project [2012CB933301]
- '863' project [2011AA050526]
- National Natural Science Foundation of China [20905038, 20903057, 61205195, 61274065]
- Natural Science Foundation of Jiangsu [BK20141424, BK2011750]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Ministry of Education of China [IRT1148]
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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 x 10(-6) M to 1 x 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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