DISSERTATION

_____________________________________________________________ Results and Discussion
Figure 3.50. a) Response after hybridization of a complete chip with FRIZ (orange curve)
or E. coli sequences (green curve) and baseline corrected FSCVs presenting cathodic
peaks after hybridization with b) FRIZ and c) E. coli sequence.
from region a (Figure 3.50, b, orange curve). The obtained signal is not very high since the
amount of hybridized DNA is in the order of 10 11 molecules/cm 2 . The reason for this is that the
3.4 Potential-assisted preparation of DNA sensors 93