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An Electrolyte-Insulator-Semiconductor (EIS) sensor is a sensor that is made of these three components:
- an electrolyte with the chemical that should be measured
- an insulator that field effect interaction, without leak currents between the two other components
- a semiconductor to register the chemical changes
It can be used in combination with other structures e.g. to construct a Light-Addressable-Potentiometric Sensor (LAPS).
