BiosensorsGraphene Free graphene electrodes March 10, 2022 • Martin Share At ZP we want to revolutionise graphene based biosensing and electrodes and so we have decided to make these ZP graphene sensors free. #ZP #biosensors read more facebooktwitterlinkedin Nitrate Potassium Calcium pH Ammonium Phosphate Wearables Services FoodSense Biosensors Contact Products