Biomedical Engineering Reference
In-Depth Information
Phenol
L
-tyrosine
3-Nitro phenol
OH
OH
OH
C
O
H
2
N
C*
H
NO
2
H
C
H
OH
Decyl ester
D
-tyrosine (DEDT)
Decyl ester
D
-tyrosine (DELT)
C
10
H
21
C
10
H
21
O
O
FIGURE 1.22
Structures of phenolic monomers used to create
thin films by electropolymerization. The films
could be used to entrap enzymes for producing
enzyme electrode biosensors. Reprinted from
Long, D.D., Marx, K.A., Zhou, T. (2001).
Amperometric Hydrogen Peroxide Sensor
Electrodes Coated With Electropolymerized
Tyrosine Derivative and Phenolic films.
J.
Electroanal. Chem
. 501:107-113. With permission
of Elsevier Publishing.
C
O
C
O
H
C*
H
2
N
C*
H
NH
2
H
C
H
H
C
H
OH
OH
25.0
20.0
15.0
10.0
5.0
0.0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
H
2
O
2
(mM)
FIGURE 1.23
Current responses at -0.05 V on a Pt electrode from enzyme electrode biosensors (
)horseradish peroxidase
(HRP) entrapped in different electropolymerized films: (filled diamonds) HRP-poly-decyl ester derivatives of
D
-
tyrosine (DEDT) film; (filled squares) HRP-poly-tyrosine film; (open squares) no HRP or film; (open triangles)
poly-DEDT film. Reprinted from Long, D.D., Marx, K.A., Zhou, T. (2001). Amperometric Hydrogen Peroxide
Sensor Electrodes Coated With Electropolymerized Tyrosine Derivative and Phenolic films.
J. Electroanal. Chem
.
501:107-113. With permission of Elsevier Publishing.
