Fig. 1
From: Electrochemical sensing of vitamin B6 (pyridoxine) by adapted carbon paste electrode
SEM images of (A) CPE and (B–D) CuNCPE with different magnifications. (E) Transmission electron microscopy (TEM) micrograph of CuNs (F) EDX spectrum of CuNs on CPE and (G) XRD pattern of CuNCPE.
