Abstract
Work in progress to apply a previously developed general technique for the construction of ion-selective electrodes (ISEs) to the construction of enzymatic electrodes is presented. This technique, which consists in forming the sensor membrane on a conductive epoxy, has been found to be suitable for the preparation of crystalline membrane or PVC membrane (mobile carrier) electrodes and its most interesting advantage is that devices with unusual shape and miniaturised dimensions can be constructed (for instance, tubular and sandwich flow-through electrodes suitable for use in FIA). The present work is devoted to the preparation of flow-through enzymatic detectors of the Potentiometric and amperometric types. Preliminary results for an urea Potentiometric electrode and a glucose amperometric electrode are discussed.
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