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. 2015 May 15;5:10560. doi: 10.1038/srep10560

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Resazurin assay results demonstrating the LD50 value (50% death level) of BG-loaded HNTs for A549 and Hep3b cells. The two-fold increase of LD 50 for Hep3b cells occurs due to the reduced uptake of HNTs if compared with A549 cells. Insets show AFM images of distribution of DX-HNTs in cells.