The graphene nanosheets and carbon nanospheres mixture (GNS-CNS) was prepared by electrolyzing graphite rob in KNO 3 solution under a constant current. The cationic chitosan (CS) coated Prussian blue (PB) as an efficient redox mediator could interact with the anion GNS-CNS via electrostatic interaction. The synergy effect of CS@PB nanoparticles and GNS-CNS contributed to the excellent electrochemical response towards the nitrite oxidation. The as-prepared CS@PB/GNS-CNS modified glass carbon (GC) electrode demonstrated its high sensitivity, low detection limit, short response time, and wide concentration range for the nitrite detection. © 2011 Elsevier B.V. All rights reserved.
CITATION STYLE
Cui, L., Zhu, J., Meng, X., Yin, H., Pan, X., & Ai, S. (2012). Controlled chitosan coated Prussian blue nanoparticles with the mixture of graphene nanosheets and carbon nanoshperes as a redox mediator for the electrochemical oxidation of nitrite. Sensors and Actuators, B: Chemical, 161(1), 641–647. https://doi.org/10.1016/j.snb.2011.10.083
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