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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Direct flow flux decline data for PAA-Na and PAMA-Na at concentrations of 0.3 g/mL (a) and 0.5 g/mL (b). Error bars represent ± 1σ generated from three experiments.