Fig. 4
From: Graphene-based nanomaterials for breast cancer treatment: promising therapeutic strategies
Comparison of the imaging performance of modified GQDs and commercial fluorescent dyes. Fluorescent cell imaging (coculture with cells for 4Â h). A DAPI, B GQDs-PEI, and C MitoTracker. D Image showing nuclear colocalization between DAPI and GQDs-PEI. E Peak positions of DAPI and GQDs-PEI obtained with ImageJ software. (F) DAPI, G GQDs-TPP, and H MitoTracker. I Image of the nuclear colocalization between DAPI and GQDs-TPP. J Peak positions of DAPI and GQDs-TPP obtained by ImageJ software [107]. Reprinted from Materials science & engineering. C, 103, Fan Z, Nie Y, Wei Y, Zhao J, Liao X, Zhang J, Facile and large-scale synthesis of graphene quantum dots for selective targeting and imaging of cell nucleus and mitochondria, 109824, 2019, with permission from Elsevier. Abbreviations: GQDs, graphene quantum dots; PEI, polyethyleneimine; TPP, (3-carboxyl) phenyl bromide phosphine