Figure 8
From: In-vitro Optimization of Nanoparticle-Cell Labeling Protocols for In-vivo Cell Tracking Applications
Microscope imaging of GNP uptake into cancer cells as a function of gold concentration.
Dark field microscopy of A-431 cells (blue) incubated for 1 h with GNPs (pink) at three different concentrations (a) no GNPs, (b) 0.35 mg/ml. (c) 0.7 mg/ml. The spectrum of the GNPs was obtained after reduction of the background signal (cells without GNPs) from the total reflectance signal (cells with GNPs). Density value of cells is presented in each image (top; Grey value range: 0–255, obtained by Image J).
