Fig. 2From: High-quantum yield alloy-typed core/shell CdSeZnS/ZnS quantum dots for bio-applicationsa Illustrated scheme for the surface modification of alloy QD. b Comparison of UV–Vis absorption spectra of MQDs and alloy QDs at each step. c Change in the zeta potential of each QD after the conjugation of FA. d Comparison of the QYs of the MQDs and alloy QDs at each stepBack to article page