Keywords Carbon-ceramic electrode · Carbon nanotubes · Differential pulse voltammetry · Sodium sulfacetamide · Sulfadiazine In this sense, CNT-based CCE can be more sensitive, 1 Introduction stable, and selective at detecting different kinds of analytes of biological and pharmacological relevance [17, 18]. For Carbon-based electrodes have been extensively applied instance, Anjum et al.  developed a CNT ceramic elec- in electroanalytical chemistry due to its interesting fea- trode modified with tris(1,10-phenanthroline)ruthenium(II) tures, such as wide working potential window and low complex to the sensitive and selective determination of the background current [1, 2]. Among them, the well-known antipsychotic drug perphenazine in urine samples by elec- carbon-ceramic electrodes (CCE) show, besides the men- trochemiluminescence. In another work, Habibi et al.  tioned features, a great mechanical resistance and robust- reported the preparation of an electrochemical sensor to the ness. Furthermore, the combination of the sol–gel method simultaneous determination of codeine and caffeine based on advantages with the properties of the carbonaceous mate- the surface modification of a CCE with single-walled carbon rial, together with the possibility of modification of the nanotubes. On the other hand, Jalali et al.  described a electrode matrix, favors the application of such electrodes CNT-based CCE modified with a Ni(II)-catechol complex to
Journal of Applied Electrochemistry – Springer Journals
Published: Mar 9, 2018
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