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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/).
(a) Time course of the proliferation of HeLa cells in the absence and presence of QD1100. (b) Bright field images of HeLa cells cultured after 60 h in the absence and presence of 0.5, 5, and 50 nM of QD1100. Scale bar: 100 μm.