Biomedical Engineering Reference
In-Depth Information
Table 4.1.
Reported electrochemical DNA sensors
surface of gold electrode
probe DNA modified
with thiol group
SH
immobilization
S
target DNA
hybridization
S
DNA binder
(electrochemically active dye)
measurement of
electrochemical signals
S
Fig. 4.5.
The principle of a DNA chip using an electrochemical reaction on the
gold electrode
