Preparation and Application of a Streptomycin Molecularly Imprinted Electrochemical Sensor:A Suggested Comprehensive Analytical Chemical Experiment
This paper outlines a comprehensive,inquiry-based instrumental analysis experiment to integrate molecular imprinting technology into undergraduate education.The experiment commences with the fabrication of a streptomycin molecular imprinting electrochemical sensor (STR-MIM/GCE) via the electropolymerization method.Subsequent characterization of the sensor employs cyclic voltammetry and scanning electron microscopy.Utilizing potassium ferricyanide as a probe,a differential pulse voltammetry technique is developed for the electrochemical quantification of streptomycin,with milk serving as a real-world sample for testing.This experiment involves the modification and characterization of electrode surface,alongside the development and application of electrochemical analysis methods.The experiment uses readily available and cost-effective reagents,avoids the need for sophisticated instrumentation,and is designed with a duration suitable for undergraduate coursework.
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