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Characterization of the GFET nanosensor on a soft membrane. a) Schematic of the inflation process of the membrane with the nanosensor placed on it. b) Transconductance and carrier mobility of the GFET nanosensor at different inflation radii. c) Transconductance and carrier mobility of the sensor after 0 to 200 inflating cycles at a inflation radious of 2.4 cm. d) measurements pf TNF-α protein with concentration ranging from 0.05 to 100 × 10−9 M at different inflation radii.
