Chemical sensors are more complex extensions of physical sensors. These sensors are defined as measurement devices, which utilize chemical reactions to detect and quantify a specific analyte or event. It utilizes specific polymeric membranes, either per se or containing doping agents, or are coated with non-biological materials. These polymeric layers or specific chemicals have attached to the layers or directly to the transducer, interact with and measure the analyte of interest. The basic components of chemical sensors include active surface, the transducer, and the electronics/software. The active surface of chemical sensors contains the detection component that includes polymeric layer.