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. 2018 May 31;8(6):391. doi: 10.3390/nano8060391

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© 2018 by the authors.

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/).

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Visualization of PC-3 cell labeled with HNT-NH₂-CdS: dark-field microscopy image of PC-3 with HNT-NH₂-CdS (A) and fluorescence image of cells stained with ReadyProbes^® Cell Viability Imaging Kit (Blue/Green) (ThermoFisher) (B). HNT-NH₂-CdS appeared as bright white spots (A, marked by arrows), or yellow and red spots (B), (marked by arrows).