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. 2021 Jan 22;22(1):55–71. doi: 10.1080/14686996.2020.1865114

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© 2021 The Author(s). Published by National Institute for Materials Science in partnership with Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 9. — Survey spectra of MNPs@SiO₂@GOPTS-Lys before and after adsorption from sludge suspension (a) together with the electrokinetic properties of the same nanoadsorbent before and after removal from sludge suspension (b)