Synthesis, Evaluation, and Electrochemical Detection Application of Magnetic Molecularly Imprinted Polymers for 4,4-Methylenedianiline from Food-Contact Materials

Figure 3

TEM images of Fe₃O₄@mSiO₂ (a), MIPs (×20000) (b), MIPs (×100000) (c), and the EDS spectrum of MIPs (d).

(a)

(b)

(c)

(d)