Figure 7:
The complexation model of Fe
3
O
4
@SiO
2
-CAAQ and Zn
2+
(inset is the fluorescent change of Fe
3
O
4
@SiO
2
-CAAQ (0.3 g/L) with Zn
2+
(100
μ
M) in CH
3
CN media).
