Analytic equipment Antidepressant drug Chemical analysis Costs Cyclic voltammetry Disposable analytical device Disposables Electrochemical electrodes Electrochemical sensors Electropolymerization Low-costs Molecularly Imprinted Polymer Molecules Polymer screens Screen printed electrodes Simple++ Trazodone Voltammetric sensor antidepressant drugs disposable analytical devices electrochemical sensor molecularly imprinted polymer trazodone