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. 2020 Feb 27;10(3):37. doi: 10.3390/membranes10030037

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© 2020 by the authors.

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/).

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The mean ELISA of 17β-estradiol (E₂) (ng/L) and testosterone (T) levels (ng/L). (A) shows the ELISA mean of 17β-estradiol (E₂) levels (ng/L) measured in water collected from influent and effluents at various stages within the MWWW, including MBR and RO during winter (May, June, and July). Error bars denote SD; n = 2. Error bars show maximum levels detected. (B) shows the ELISA mean of 17β-estradiol (E₂) levels (ng/L) measured of the effluents of the UF, NF, and RO membranes processes at various pilot plant conditions. Error bars denote SD; n = 2. Error bars show maximum levels detected (EU, 1 ng/L modulate fish production [41]; US EPA and WHO, 0.70 trigger value for drinking water [42], level of detection (LOD): 0.25 ng/L). (C) shows the ELISA mean of testosterone (T) levels (ng/L) measured in water collected from influent and effluents at various stages within the MWWW, including MBR and RO during winter (May, June, and July). Error bars denote SD; n = 2. Error bars show maximum levels detected.

The mean ELISA of 17β-estradiol (E₂) (ng/L) and testosterone (T) levels (ng/L). (A) shows the ELISA mean of 17β-estradiol (E₂) levels (ng/L) measured in water collected from influent and effluents at various stages within the MWWW, including MBR and RO during winter (May, June, and July). Error bars denote SD; n = 2. Error bars show maximum levels detected. (B) shows the ELISA mean of 17β-estradiol (E₂) levels (ng/L) measured of the effluents of the UF, NF, and RO membranes processes at various pilot plant conditions. Error bars denote SD; n = 2. Error bars show maximum levels detected (EU, 1 ng/L modulate fish production [41]; US EPA and WHO, 0.70 trigger value for drinking water [42], level of detection (LOD): 0.25 ng/L). (C) shows the ELISA mean of testosterone (T) levels (ng/L) measured in water collected from influent and effluents at various stages within the MWWW, including MBR and RO during winter (May, June, and July). Error bars denote SD; n = 2. Error bars show maximum levels detected.