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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 (http://creativecommons.org/licenses/by/4.0/).
Mean relative inhibition (± SD; n = 3) towards V. fischeri after 15 and 30 min of exposure to Zn-Fe LDHs toxicity test samples prepared within 3 h (a), and 1 h (b).