Figure 3. The image on the left illustrates the sensing principle of nanowire-based biosensing with an FET configuration. The image on the right demonstrates the concept of multi-analyte biosensing with nanowire FET configurations [6]

From

Biosensors: A Modern Day Achievement

Shruthi GS, Amitha CV, Blessy Baby Mathew

Journal of Instrumentation Technology. 2014, 2(1), 26-39