Biomedical Engineering Reference
In-Depth Information
(A)
80
Autoclave
UV
Ethanol
60
40
20
0
5 V
20 V
Total
P
5 V
20 V
P
5 V
20 V
P
Polar
Dispersive
(B)
#
450
Autoclave
UV
Ethanol
*
*
#
**
400
**
*
*
350
**
**
*
*
*
*
*
300
#
*
*
250
*
*
**
*
*
*
**
200
**
150
100
50
0
5 V
20 V
30 min
P5V 0V
60 min
P5V 0V
120 min
P
FIGURE 17.2
(A) Values of surface free energy (mJ/m
2
) and (B) initial osteoblast adhesion of 5 V NTs, 20 V NTs, and
polished Ti after sterilized by autoclaving, UV irradiation, and ethanol immersion. The samples sterilized by
UV and ethanol generate higher surface free energy and thus initial adherent cell numbers. *
p
,
0.05 and
**
p
,
0.01 compared with the autoclave-sterilized of each surface, #
p
,
0.05 compared with the
UV-sterilized of each surface.
Reprinted with permission from Ref.
[4]
.
