Figure 3.

Zeta potential vs. pH plot. Zeta potential versus pH plot for bare Mn2O3, Mn2O3@SiO2, Mn2O3@amino-functionalized silica (with TEOS), Mn2O3@amino-functionalized silica (without TEOS), Mn2O3@vinyl-functionalized silica, and Mn2O3@allyl-functionalized silica core-shell nanostructures.

Vaidya et al. Nanoscale Research Letters 2011 6:169   doi:10.1186/1556-276X-6-169
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