Quantum dots: a new tool for anti-malarial drug assays

Malaria Journal

Table 1 Molecular characteristics of QDs used in this study

Sample code	Hydrodynamic size (nm)^a)	Zeta potential (mV)^b)	Quantum Yield^c)
PCQD	10 ± 0.8	20 ± 3	0.1
QD-COOH	10 ± 1.2	- 33 ± 6	0.2
QD-PEG-NH₂	13 ± 1.8	-25 ± 5	0.2
QD-mPEG	12 ± 1.3	- 8 ± 1	0.2

^a) Number-averaged diameter measured using dynamic light scattering instrument (n = 3), ^b) average of three measurements in water, and ^c) compared with fluorescein (quantum yield = 0.95).

ISSN: 1475-2875