Fig. (2)
FT-IR Spectra of (
a
) Fe
2
O
3
(
b
) Chitosan (
c
) Fe
2
O
3
-Chitosan (
d
) Fe
2
O
3
-Chitosan-Graphene Oxide and (
e
) Fe
2
O
3
-Chitosan-Graphene Oxide-HRP.
