February 4, 2014
Spanish researchers have managed to distinguish between different varieties of beer using an “electronic tongue,” with an accuracy of 81.9%.
Scientists at the Autonomous University of Barcelona used an array of 21 sensors formed from ion-selective electrodes, including some with response to cations (ammonium, sodium), others with response to anions (nitrate, chloride, etc.), and electrodes with generic (unspecified) responses.
The authors recorded the multidimensional response generated by the… read more