Abstract
Background: Advanced veterinary medical care's promote progress to improve the health of our animals and enhance the efficiency of animal husbandry. Drugs present in tissue can be ingested by humans, after being added to feed or premixed with it to prevent various intestinal disorders.
Objective: Diaveridine HCl (DVD), diaminopyimidine antimicrobial agent, has been electroanalyzed at electrochemically activated ultrafine urethane (UT) electrode using square wave voltammetry with well-known high sensitivity.
Method: The optimum conditions for electrochemical activation of UT electrode have been explored. The effects of electrolyte pH and instrumental parameters on the electrochemical behavior of DVD are optimized.
Results: At the optimum conditions, the rectilinear range for the DVD analysis was constructed and found to extend over the range 1.68-16.4 µM. Both relative standard deviation and confidence limit for six replicate measurements were calculated.
Conclusion: The electrochemical pre-treatment of UT via cycling of electrode in the potential range -0.2-1.9 V was found to be the optimum; the maximum negative potential shift with the larger peak current was obtained at the modified electrode at the optimum pH (8.3).
Keywords: Diaveridine HCl, ultrafine urethane electrode, cyclic voltammetry, electroanalysis, square wave voltammetry, activation potential.
Graphical Abstract
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