Non-Invasive Screening for Alzheimer’s Disease by Sensing Salivary Sugar Using Drosophila Cells Expressing Gustatory Receptor (Gr5a) Immobilized on an Extended Gate Ion-Sensitive Field-Effect Transistor (EG-ISFET) Biosensor
Fig 3
Drift rate of SnO2 membrane in a solution with pH 7.
The reference voltage (V) is shown as a function of pH evaluated at a reference current of 100 μA.