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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/).
Particle size distribution of core H10 and H14 (A,B), core–shell H26 and H27 (C,D) particles obtained by NTA (pink curve—DLS Nanosight NS500 results; NTA video frames are shown in the inserts).