Figure 3

Percentage of cellular internalization of silica-coated CsdSe QDs in cancer cells (HeLa) using ICP-OES. The peak internalization was observed at 4 h after the QD exposure.
Percentage of cellular internalization of silica-coated CsdSe QDs in cancer cells (HeLa) using ICP-OES. The peak internalization was observed at 4 h after the QD exposure.