5.3 Results and Discussion
101
0
5
10
15
20
25
30
35
40
45
50
Weight (%)
Elements
Sum of H
Sum of C
Sum of N
Sum of O
0
10
20
30
40
50
60
Weight (%)
Elements
Sum of H
Sum of C
Sum of N
Sum of O
Fig. 5.3 a and b SEM/EDX of CS and XCS, respectively
HO
HO
OH
O
HO
OH
O
NH2
O
OH
O
NH2
HO
OH
O
HO
HO
O
N
O
HO
OH
O
NH2
O
OH
O
HO
OH
O
c
H
o
(CH 2 ) 3
C
H
O
H
NH2
(CH 2 ) 3
CH
CH
GLUTARALDEHYDE
HO
HO
OH
O
HO
OH
O
NH2
OH
O
N
O
HO
OH
O
N
N
CH
(CH 2 ) 3
CH
CROSSLINKING REACTION
CHITOSAN
Fig. 5.4 Schematic depiction of the chitosan cross-linking process