Fig. 5 | Scientific Reports

Fig. 5

From: Development of a magnetic molecularly imprinted polymer for the removal of dexamethasone from river nile water

Fig. 5

(C’’) XPS survey spectrum of MMIP10 and (D’’) that of MNIP10, showing characteristic peaks of B, C, N, O, Si, and Fe. The increase in the boron (B) signal intensity and atomic percentage relative to Fe₃O₄@SiO₂–NH₂@GA@APBA confirms the successful incorporation of the boronic acid functional monomer into the polymer matrix and the expected surface composition of the imprinted and non-imprinted polymers. The atomic concentrations and intensity values derived from the survey spectra are summarized in the tables below each spectrum.

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