The present invention belongs to the electrochemical field. A drive unit rotates the optical element. The fishing lure includes a body of any configuration normally used in fishing lures and a structure enabling the dispenser to be supported by the lure. The responses corresponding to R1 and R2 of the ion trap mobility spectrometer are observed based on the respective inputs of quantities Q1 and Q2. The present invention further provides methods for treating a variety of disease states characterized by alterations to the mucin levels, such as, intestinal inflammatory and bacterial infections or other like disease states.