Biomedical Engineering Reference
In-Depth Information
CH
3
O
O
O
S
Cl
S
CH
3
OH
OH
O
O
O
O
O
O
O
O
Et
3
N
HO
OH
HO
OH
OH
HO
n
n
cellulose
NaN
3
(n-Bu)
4
NI
OH
N
3
OH
NH
2
NaBH
4
O
O
O
O
O
O
O
O
OH
OH
OH
OH
HO
HO
HO
HO
n
n
Figure 6.5
Synthesis of amine-functionalized cellulose.
When the reaction mixture obtained by the enzymatic
polymerization was kept in a Petri dish at room temperature
for around five days, it totally turned into gel form (Fig. 6.6). The
produced gel was washed with water several times to remove some
contaminants such as the unreacted Glc-1-P. This gel has a more
tough nature than that formed from the amylose-grafted chitosan as
described earlier.
Figure 6.6
Photograph
of
gel
obtained
from
the
amylose-grafted
cellulose.
