S
D
SiO
2
Si back gate
V
SD
Single-strand
DNA
Complementary
DNA
Sequence
Carbon Nanotube
Transducer
DNA Detection Using Carbon Nanotube Transistors
DNA
Duplex
Formation
Analytical
Signal
G
V
G
DNA Immobilization Strategies
1) Metal Nanoparticles
2) Sticky Labels
3) Polymer Layer