Aspartic Acid- and Glycine-Functionalized Mesoporous Silica as an Effective Adsorbent to Remove Methylene Blue from Contaminated Water

Figure 1

FTIR spectra of (black) MSNs (with CTAB), (red) CTAB free MSNs, (blue) MSNs-ICP, (brown) Asp-MSNs, and (green) Gly-MSNs.