Enhancement of taste-discrimination for a taste sensor using LB films

Abstract

A taste sensor with polyion-complex LB films deposited on a silver electrode is described. Di OctaDecyl dimethyl Ammonium Bromide (DOABr) was used as a sensing film and Chondroitin A Sodium Salt (Chondroitin) and Potassium Polyvinyl Sulfate (PVSK) was also used as an under layer. Sensor response was improved by these different polymers. The parameters such as maximum membrane potential and response time obtained by dripping taste solutions, and more combination of dripping characteristics could discriminate clearly five basic substances.