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. 2016 Mar 22;15:29. doi: 10.1186/s12937-016-0149-x

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© Staven et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Turbidity measurements by two methods. a Turbidity of formazin standards (3, 6, 18 and 30 NTU) measured with turbidimeter (FNU in pink) and UV–vis spectrophotometer (relative transmittance in green) T₀ = Milli-Q-water (n = 3). b Relationship between measured relative transmittance and FNU of samples of drug: TPN_aq (1 + 1) and pure drug solutions. T₀ = TPN_aq (n = ≥3)