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. 2018 Jul 26;9:816. doi: 10.3389/fphar.2018.00816

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Copyright © 2018 Krychowiak, Kawiak, Narajczyk, Borowik and Królicka.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Results of analyses of the interactions of AgNPs and naphthoquinones. (A) The changes of the maximum absorbance points of spectra of the 3ChPL (initial concentration 20 μg/mL) titrated with AgNPs (concentration range 1.8–7.4 μg/mL). (B) Changes in hydrodynamic diameter size of nanoparticles measured by DLS in the presence of 3ChPL. Red line corresponds to average hydrodynamic diameter size distribution in a polydispersive population of AgNPs (initial concentration 12.3 μg/mL), peaks size: 10.96 and 42.63 nm. Green line represents the average hydrodynamic diameter size distribution of mixture containing AgNPs and 3ChPL (final concentrations 12.2 and 8 μg/mL, respectively), peaks size: 13.61 and 119.9 nm.