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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 (https://creativecommons.org/licenses/by/4.0/).
Cellular uptake in whole PC3 and RWPE-1 cells by PIXE. Both cells were previously incubated with AuNP-TDOTA and AuNP-BBN at 36 µg Au/mL for 4 h. The Au concentration in the whole cells is expressed in ng Au/106 cells. Values are shown as the mean ± SD.