Insight into the sensing mechanism of an impedance based electronic tongue for honey botanic origin discrimination

• Published in: Sensors and actuators. B, Chemical Vol. 285; pp. 24 - 33
• Main Authors: Elamine, Youssef, Inácio, Pedro M.C., Lyoussi, Badiâa, Anjos, Ofélia, Estevinho, Leticia M., da Graça Miguel, Maria, Gomes, Henrique L.
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 15.04.2019; Elsevier Science Ltd
• Subjects: Electrical resistivity; Electrical-double-layer; Electronic tongue; Frequency response; Gold; Honey; Impedance; Indium tin oxides; Organic acids; Organic chemistry; Small signal impedance; Tongue; Honey; Electrical-double-layer; Electronic tongue; Small signal impedance

[Display omitted] •Impedance based electronic tongue for honey botanic origin discrimination.•The sensing mechanism relies on small changes on the honey electrical conductivity.•The high sensitivity of the tongue is due to changes in the electrical double-layer.•Sensing electrodes with a high interf...