Table 1. Hydrodynamic size and ζ-potential of different CdTe QDs.

	Hydrodynamic size (nm)	ζ-Potential (mV)
MEA-CdTe QDs	19.5 ± 0.5	20.3 ± 0.9
l-Cys-CdTe QDs	23.1 ± 0.6	–10.2 ± 0.4
TGA-CdTe QDs	15.2 ± 0.6	–24.0 ± 2.0