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. 2018 Jun 25;8:9580. doi: 10.1038/s41598-018-27959-0

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as 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 images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Protein mixtures deposits formed at different NaCl concentration. (a) Deposits formed during the evaporation of droplets containing two types of proteins (relative concentration ϕ_r = 1:1 and ϕ_p = 0.1 wt%) at NaCl concentration ϕ = 0, 0.05, 0.1, 0.25, 0.5, and 1 wt% and T = 37 °C. (b) The corresponding three-dimensional light intensity profiles. Patterns formed at the center of the deposits (c) and the edge (d). Texture analysis of deposits formed at different NaCl concentration. The corresponding texture parameters (e) FOS (Mean, Standard Deviation, Integrated density, Skewness and Kurtosis) and (f) GLCM (Energy, Inertia, Correlation, IDM and Entropy). The blue and red lines are the best fit for the curves. The error bars correspond to standard deviations from n = 24.