Neurotransmitter assay of epinephrine (EP) was sought using a modified carbon nanotube paste electrode (PE).
Using optimum conditions, cyclic voltammetry (CV) and the square wave (SW) stripping voltammetric working ranges
were attained to 10-100 mgL-1 (CV) and 20-140 ngL-1 (SW). The relative standard deviation of 0.0549 (n=15) was
obtained at 20.0 mgL-1 EP constant. Here, the analytical detection limit (S/N) was reached with 4.60 ngL-1 (2.5×10-11
molL-1) EP. The hand-made electrode was implanted into the in-vivo brain core of the animals and was used in
chronoamperometric neuro detection. The results obtained are applicable in neuro sensing, physiological control, and
other neuroscience fields.
Keywords: Epinephrine, neuro sens, electrochemical, brain, in vivo, interface.
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