In particular , Si quantum dots with poly ( acrylic acid ) and allylamine shells have been used in cell labeling .
Si is 10 times safer than Cd and current work is focused on making Si more water - soluble and biocompatible .
Si quantum dots with poly ( acrylic acid ) and allylamine shells have been used in cell labeling .
Si is 10 times safer than Cd and current work is focused on making Si more water - soluble and biocompatible .