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Drug delivery and Cancer cell death a) Time lapse imaging of Folate targeted PEGylated Cu2S NCs mediated intracellular trafficking of DOX. b) Gl-1 cancer cell death mediated by drug, DOX, pre and post drug delivery was confirmed with live/dead staining. Post drug delivery, after 120 min, most of the cells stained positive for propidium iodide indicating cell death.
